CN117228564A - Lifting mechanism and operating machinery - Google Patents
Lifting mechanism and operating machinery Download PDFInfo
- Publication number
- CN117228564A CN117228564A CN202311432284.7A CN202311432284A CN117228564A CN 117228564 A CN117228564 A CN 117228564A CN 202311432284 A CN202311432284 A CN 202311432284A CN 117228564 A CN117228564 A CN 117228564A
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- China
- Prior art keywords
- shaft
- adapter
- driving device
- adapter flange
- winding drum
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Retarders (AREA)
Abstract
本发明涉及起重设备技术领域，提供一种起升机构及作业机械，包括卷筒、驱动装置、转接法兰和转接轴，卷筒可转动地安装在卷扬箱中，驱动装置设置有传动轴，传动轴与卷筒传动连接，转接法兰设置在卷扬箱与驱动装置之间，转接法兰设置有轴孔，转接轴设置在传动轴与卷筒之间，转接轴可转动地设置在轴孔中，转接轴的第一端与传动轴连接，转接轴的第二端与卷筒的中心轴连接；本发明采用转接法兰将卷扬箱与驱动装置连接，确保传动轴始终与卷筒的中心轴同轴心设置，通过采用转接轴将传动轴的动力传递给卷筒，有效解决了传动轴与卷筒中心轴因尺寸不同不能匹配的问题，提高了驱动装置的通用性。
The invention relates to the technical field of lifting equipment and provides a lifting mechanism and working machinery, including a reel, a driving device, an adapter flange and an adapter shaft. The reel is rotatably installed in a hoisting box, and the driving device is provided with There is a transmission shaft, which is drivingly connected to the drum. The adapter flange is arranged between the hoisting box and the driving device. The adapter flange is provided with a shaft hole. The adapter shaft is arranged between the transmission shaft and the drum. The adapter shaft is rotatably arranged in the shaft hole, the first end of the adapter shaft is connected to the transmission shaft, and the second end of the adapter shaft is connected to the central axis of the drum; in the present invention, an adapter flange is used to connect the hoisting box and The drive device is connected to ensure that the drive shaft is always coaxially arranged with the central axis of the drum. By using an adapter shaft to transmit the power of the drive shaft to the drum, it effectively solves the problem that the drive shaft and the central axis of the drum cannot match due to different sizes. problem, improving the versatility of the drive device.
Description
Technical Field
The invention relates to the technical field of lifting equipment, in particular to a lifting mechanism and an operation machine.
Background
The lifting mechanism of the traditional operation machinery such as a crane consists of a hydraulic motor, a speed reducer, a winding drum, a steel wire rope and the like, and the lifting mechanism is mainly driven by the hydraulic motor to lift.
In the prior art, the drive shaft of the hydraulic motor is usually connected with the decelerator and the connecting shaft of the winding drum in sequence, the size of the drive shaft and the size of the connecting shaft of the decelerator are required to be strictly matched in the connecting process, the drive shaft of a model is generally corresponding to the decelerator of a model, a plurality of decelerators are difficult to be matched with the drive shaft, and the drive shaft and the connecting shaft of the coupling are not fixed at the connecting position and are in a floating state.
Disclosure of Invention
The invention provides a lifting mechanism and an operation machine, which are used for solving the defect of poor universality of a driving shaft in the lifting mechanism in the prior art, so that the driving shaft can be adapted to reels with different sizes.
In a first aspect, the present invention provides a lifting mechanism comprising:
a winding drum rotatably installed in the winding box;
the driving device is provided with a transmission shaft which is in transmission connection with the winding drum;
the transfer flange is arranged between the winch box and the driving device and used for connecting the winch box and the driving device, and the transfer flange is provided with a shaft hole;
the switching axle is arranged between the transmission shaft and the winding drum, the switching axle is rotatably arranged in the axle hole, the first end of the switching axle is connected with the transmission shaft, and the second end of the switching axle is connected with the central shaft of the winding drum.
According to the lifting mechanism provided by the invention, the shaft hole is arranged in the center of the adapter flange, a pair of angular contact bearings are arranged in the shaft hole, and the pair of angular contact bearings are sleeved on the adapter shaft.
According to the lifting mechanism provided by the invention, the two ends of the shaft hole, which correspond to the pair of angular contact bearings, are provided with the limiting parts.
According to the lifting mechanism provided by the invention, the transmission shaft is arranged in the shaft hole in a penetrating way, and the first end of the switching shaft is connected with the transmission shaft through the spline pair.
According to the hoisting mechanism provided by the invention, the speed reducer is arranged between the winding drum and the driving device, the speed reducer is arranged at the end part of the winding box, the output shaft of the speed reducer is connected with the central shaft of the winding drum, and the input shaft of the speed reducer is connected with the second end of the switching shaft through the spline pair.
According to the lifting mechanism provided by the invention, one end of the adapting flange, which is away from the driving device, is connected with the speed reducer, and a first sealing structure is arranged at the joint of the adapting flange and the speed reducer.
According to the lifting mechanism provided by the invention, the lifting mechanism further comprises a fixed plate, the driving device is connected to the fixed plate, and one end of the adapter flange is connected with the fixed plate in a sealing manner.
According to the lifting mechanism provided by the invention, a second sealing structure is arranged between the driving device and the fixed plate, and a third sealing structure is arranged at the joint of the adapter flange and the fixed plate.
According to the lifting mechanism provided by the invention, the driving device comprises a motor, the end part of the motor is connected with the fixed plate, and the motor drives the transmission shaft to rotate.
In a second aspect, the present invention also provides a work machine comprising a lifting mechanism as described in the first aspect.
The lifting mechanism provided by the invention comprises: the winding drum is rotatably arranged in the winding box, the driving device is provided with a transmission shaft, and the transmission shaft is in transmission connection with the winding drum; the adapter flange is arranged between the winch box and the driving device and used for connecting the winch box and the driving device, and is provided with a shaft hole; the switching shaft is arranged between the transmission shaft and the winding drum, the switching shaft is rotatably arranged in the shaft hole, the first end of the switching shaft is connected with the transmission shaft, and the second end of the switching shaft is connected with the central shaft of the winding drum; so set up, be connected hoist case and drive arrangement through adopting the flange that changes, the transmission shaft is connected in the shaft hole with the changeover shaft, provide the constraint by the shaft hole, avoid transmission shaft and changeover shaft to be in the state of floating, guaranteed driven stability, ensure that the transmission shaft is all the time coaxial with the center pin of reel and set up, through adopting the changeover shaft to give the reel with the power transmission of transmission shaft, effectively solved transmission shaft and reel center pin because of the problem that the size is different can not match, make the changeover shaft adapt to the connection of transmission shaft and different size reel center pin through changing the changeover shaft of different sizes, realize the reel center pin of transmission shaft ability adaptation not unidimensional, drive arrangement's commonality has been improved.
The invention also provides a working machine comprising the lifting mechanism, and the deducing process of the beneficial effects is similar to that brought by the lifting mechanism, and is not repeated here.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a lifting mechanism according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a lifting mechanism provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a connection structure between an adapter shaft and an adapter flange according to an embodiment of the present invention.
Reference numerals:
1. a reel; 2. a driving device; 21. a transmission shaft; 3. an adapter flange; 31. a shaft hole; 4. a transfer shaft; 41. an internal spline; 5. angular contact bearings; 51. a limiting piece; 6. a speed reducer; 7. a fixing plate; 8. a positioning structure; 9. an O-shaped sealing ring; 10. an annular sink; 11. and a winding box.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A lifting mechanism and a working machine provided in an embodiment of the present invention are described below with reference to fig. 1 to 3.
The lifting mechanism provided in this embodiment includes: the spool 1, the drive 2, the adapter flange 3 and the adapter shaft 4.
Wherein, the winding drum 1 is rotatably arranged in the winding box 11, the driving device 2 is provided with a transmission shaft 21, the transmission shaft 21 is in transmission connection with the winding drum 1, the adapter flange 3 is arranged between the winding box 11 and the driving device 2 and used for connecting the winding drum 1 and the driving device 2, and the adapter flange 3 is provided with a shaft hole 31; the adapter shaft 4 is arranged between the transmission shaft 21 and the winding drum 1, the adapter shaft 4 is rotatably arranged in the shaft hole 31, the first end of the adapter shaft 4 is connected with the transmission shaft 21, and the second end of the adapter shaft 4 is connected with the central shaft of the winding drum 1.
According to the scheme, the winch box 11 is connected with the driving device 2 through the adapter flange 3, so that the transmission shaft 21 is always arranged coaxially with the central shaft of the winding drum 1, the power of the transmission shaft 21 is transmitted to the winding drum 1 through the adapter shaft 4, the problem that the transmission shaft 21 and the central shaft of the winding drum 1 cannot be matched due to different sizes is effectively solved, the adapter shaft 4 is replaced to enable the adapter shaft 4 to adapt to the connection of the transmission shaft 21 and the central shafts of the winding drums 1 with different sizes, the transmission shaft 21 can adapt to the central shafts of the winding drums 1 with different sizes is achieved, and the universality of the driving device 2 is improved.
In some embodiments, the driving device 2 adopts a motor, preferably adopts an alternating current motor, and adopts motor driving to solve the problems of high noise, low efficiency and easy environmental pollution caused by hydraulic oil leakage of the hydraulic motor relative to the hydraulic motor.
The lifting mechanism provided by the embodiment of the invention is used for being arranged at the tail part of a turntable of a crane, a motor is positioned on a frame at the tail part of the turntable, and under the condition that a winding drum 1 is rotationally connected with a winding box 11, a transmission shaft 21 (a power output shaft) of the motor drives the winding drum 1 to conduct winding work through a switching shaft 4.
In this embodiment, the center of the adapter flange 3 is provided with a shaft hole 31, a pair of angle contact bearings 5 is disposed in the shaft hole 31, and the pair of angle contact bearings 5 are sleeved on the adapter shaft 4. By the arrangement, as the angular contact bearing 5 has good bearing capacity and can bear radial load and axial load at the same time, the adapter shaft 4 is rotatably arranged in the shaft hole 31 of the adapter flange 3 by adopting a pair of angular contact bearings 5, so that the adapter shaft 4 can bear axial force and radial force at the same time, and compared with the single bearing adopted, such as a deep groove ball bearing, the adapter shaft 4 can bear radial force only, the stability of connection between the adapter shaft 4 and the adapter flange 3 is improved; moreover, the angular contact bearing 5 has the advantages of high rotating speed, high precision and convenient installation and adjustment, and as the contact angle between the outer ring and the inner ring of the angular contact bearing 5 is designed to be 15 degrees or 25 degrees, the angular contact bearing has the characteristic of small friction force, the rotating speed of the bearing is improved, and the power loss of the transmission shaft 21 can be reduced; in addition, because the precision and the repeated positioning precision of the angular contact bearing 5 are high, the angular contact bearing is suitable for high-precision mechanical assembly, and is applied between the adapter shaft 4 and the adapter flange 3, the problem of unstable structural operation can be avoided, and the inner ring and the outer ring of the angular contact bearing 5 can be separated by adopting the separable type bearing, so that the installation and the adjustment are very convenient.
Referring to fig. 3, in the present embodiment, the transmission shaft 21 is inserted into the shaft hole 31, and the first end of the adapter shaft 4 is connected to the transmission shaft 21 through a spline pair. For example, the free end of the transmission shaft 21 is provided with an external spline, the first end of the adapter shaft 4 is provided with a first connecting hole, the first connecting hole is adapted to the free end of the transmission shaft 21, and an internal spline 41 is arranged in the first connecting hole, and the adapter shaft 4 is in transmission connection with the transmission shaft 21 by matching the external spline of the free end of the transmission shaft 21 with the internal spline 41 in the first connecting hole. Since the first end of the adapter shaft 4 is provided with the internal spline 41, the outer diameter of the first end of the adapter shaft 4 is larger than the outer diameter of the drive shaft 21, so that the shaft hole 31 is designed to be stepped, the diameter of the portion of the shaft hole 31 for mounting the adapter shaft 4 is larger than the diameter of the portion for mounting the drive shaft 21, the limit function of the angular contact bearing 5 can be realized, and the angular contact bearing 5 is prevented from moving in the axial direction toward the direction approaching the drive device 2. When the adapter shaft is installed, a pair of angle contact bearings 5 are sleeved on the outer side of the first end of the adapter shaft 4, and the outer ring of each angle contact bearing 5 is in contact with the inner wall of the shaft hole 31. And limiting pieces 51, such as snap spring retainer rings, are respectively arranged at the two ends of the pair of angular contact bearings 5 to axially position the two ends of the pair of angular contact bearings 5 and prevent the angular contact bearings 5 from moving in the shaft holes 31.
Further, a speed reducer 6 is arranged between the winding drum 1 and the driving device 2, an output shaft of the speed reducer 6 is connected with a central shaft of the winding drum 1, and an input shaft of the speed reducer 6 is connected with a second end of the switching shaft 4 through a spline pair. The speed reducer 6 is additionally arranged between the driving device 2 and the power transmission of the winding drum 1, so that the speed of the winding drum 1 can be adjusted, the speed of the winding drum 1 can be adjusted to be matched according to different working conditions, and the winding speed of the steel wire rope on the winding drum 1 can be adjusted.
By adopting the adapter flange 3 to connect the speed reducer 6 with the driving device 2, the invention ensures that the transmission shaft 21, the adapter shaft 4 and the input shaft of the speed reducer 6 are always arranged coaxially with the central shaft of the winding drum 1, the problem of installation angle deviation cannot be caused, the power of the transmission shaft 21 is transmitted to the winding drum 1 by adopting the adapter shaft 4, the problem that the transmission shaft 21 and the input shaft of the speed reducer 6 cannot be matched due to different sizes is effectively solved, the adapter shaft 4 is adapted to the connection of the transmission shaft 21 with different sizes and the input shaft of the speed reducer 6 by changing the adapter shaft 4 with different sizes, the transmission shaft 21 can be adapted to the input shaft of the speed reducer 6 with different sizes is realized, and the universality of the driving device 2 is improved.
The lifting mechanism provided by the embodiment of the invention is used for being arranged at the tail part of a turntable of a crane, wherein the turntable is a key connecting part of the crane, a crane arm, a loading control room, the lifting mechanism, a slewing mechanism and a counterweight are all directly connected with the turntable, a motor is positioned on a frame at the tail part of the turntable, a speed reducer 6 is connected with the motor through a transfer flange 3 under the condition that a winding drum 1 and a winding box 11 are rotationally connected, and a transmission shaft 21 (a power output shaft) of the motor drives the speed reducer 6 to rotate through a transfer shaft 4, so that the speed reducer 6 drives the winding drum 1 to conduct winding work.
In some embodiments, the reducer 6 may be mounted at an end of the winding box 11, and an output shaft of the reducer 6 is connected with a central shaft of the winding drum 1, an input shaft of the reducer 6 is connected with a second end of the adapting shaft 4, as shown in fig. 2 and 3, the second end of the adapting shaft 4 is located outside the adapting flange 3, an external spline is disposed at the second end of the adapting shaft 4, the input shaft of the reducer 6 is provided with a second connecting hole, an internal spline 41 is disposed in the second connecting hole, and the adapting shaft 4 is in driving connection with the input shaft of the reducer 6 by matching the external spline at the second end of the adapting shaft 4 with the internal spline 41 in the second connecting hole.
Of course, the second end of the adapter shaft 4 may also be provided with an internal spline 41, by providing a second connection hole at the second end of the adapter shaft 4, and providing an internal spline 41 in the second connection hole, the input shaft of the speed reducer 6 is provided with an external spline, and then the internal spline 41 at the second end of the adapter shaft 4 is matched with the external spline of the input shaft of the speed reducer 6, so as to realize the transmission connection of the adapter shaft 4 and the input shaft of the speed reducer 6.
It should be noted that, the structure of the adaptor shaft 4 may be specifically designed according to the structure of the shaft to be connected at two ends, and the two ends may be respectively provided with an internal spline 41, an external spline, or an external spline with one end being the external spline and an internal spline 41.
In this embodiment, the motor is mounted on the frame at the tail of the turntable through the fixing plate 7, as shown in fig. 1, the fixing plate 7 may be circular, a plurality of screw connection holes are provided along the circumferential direction, a through hole through which the transmission shaft 21 passes is provided in the middle, and the size of the fixing plate 7 is adapted to the size of the end of the motor, so that the motor is fixed on the fixing plate 7 through bolts.
In the embodiment, one end of the adapter flange 3, which is away from the driving device 2, is connected with the speed reducer 6, a first sealing structure is arranged at the joint of the adapter flange 3 and the speed reducer 6, a second sealing structure is arranged at the joint of the motor and the fixed plate 7, and is used for ensuring the reliability of the connection of the motor and the fixed plate 7 and the tightness of oil, preventing lubricating oil from leaking between the motor and the fixed plate 7, one end of the adapter flange 3 is in sealing connection with the fixed plate 7, and a third sealing structure is arranged at the joint of the adapter flange 3 and the fixed plate 7; the first sealing structure, the second sealing structure and the third sealing structure may be O-ring 9.
By arranging the sealing structures at the joints of the two ends of the adapter flange 3 and between the fixing plate 7 and the motor, the sealing of the transmission structure between the transmission shaft 21 and the input shaft of the speed reducer 6 is realized, compared with the prior art that an oil seal is arranged between the bearing and the shaft hole 31, and the oil seal is tightly matched with the adapter shaft 4 and the adapter flange 3, so that the transmission shaft 21 is easy to damage when rotating at a high speed, and the lubricating oil is leaked.
Further, in order to improve the connection effect of the adapter flange 3, a positioning structure 8 is arranged on the end face of the fixing plate 7, when the adapter flange 3 is installed, the end part of the adapter flange 3 is matched and connected with the fixing plate 7 through the positioning structure 8, rapid installation of the adapter flange 3 and the fixing plate 7 can be achieved, and coaxiality of the transmission shaft 21 and the adapter shaft 4 is guaranteed after connection. As shown in fig. 2, the positioning structure 8 may be an annular protrusion, and correspondingly, as shown in fig. 3, an annular sink 10 is disposed at one end of the adapting flange 3 facing the fixing plate 7, the annular sink 10 is adapted to be connected with the annular protrusion, and during assembly, the quick positioning connection between the fixing plate 7 and the adapting flange 3 can be realized by inserting and matching the annular sink 10 at the end of the adapting flange 3 with the annular protrusion of the fixing plate 7, and then the connection between the fixing plate 7 and the adapting flange 3 is realized by bolts.
In some embodiments, the positioning structure 8 may also be an annular groove, and correspondingly, an annular protrusion is disposed at one end of the adapting flange 3 facing the fixing plate 7, and the annular groove is connected with the annular protrusion in an adaptive manner, so that when the adapting flange 3 is assembled, the annular protrusion at the end of the adapting flange 3 is in plug-in fit with the annular groove of the fixing plate 7, and then the fixing plate 7 and the adapting flange 3 can be quickly positioned and connected, and then the connection is realized by using bolts.
So set up, through adopting unsmooth complex mode, can accomplish the connection of fixed plate 7 and adapter flange 3 fast to after connecting annular groove or annular heavy groove 10 can restrict the protruding radial movement of annular, that is to say, after fixed plate 7 is connected with adapter flange 3, both mutual constraint can prevent that fixed plate 7 and adapter flange 3 from taking place radial relative movement, thereby guaranteed axiality between transmission shaft 21 and the adapter shaft 4, avoid producing radial load to the bearing.
In this embodiment, in the case of setting the positioning structure 8 based on the fixing plate 7, the structure of the adapter flange 3 corresponding to one end of the speed reducer 6 may be designed according to the connection end of the speed reducer 6; that is, the speed reducer 6 and the adapter flange 3 can also adopt a positioning connection mode of concave-convex fit. As shown in fig. 1, a connecting groove is formed at one end of the speed reducer 6 facing the adapter flange 3, and a connecting protrusion is formed at the end of the adapter flange 3, so that when the speed reducer is installed, the end of the adapter flange 3 is inserted into the end of the speed reducer 6 to achieve concave-convex fit, and then the speed reducer 6 and the adapter flange 3 can be quickly positioned and connected, and then the speed reducer 6 and the adapter flange 3 are connected through bolts.
In other embodiments, the end of the speed reducer 6 facing the adapter flange 3 is provided with a convex structure, the end of the adapter flange 3 is provided with a connection concave, so that when the speed reducer is installed, the end of the adapter flange 3 is inserted into the end of the speed reducer 6 to realize concave-convex fit, and then the quick positioning connection of the speed reducer 6 and the adapter flange 3 can be realized, and then the speed reducer 6 and the adapter flange 3 are connected through bolts.
So set up, through adopting unsmooth complex mode, can accomplish the connection of reduction gear 6 and adapter flange 3 fast to after connecting the recess can restrict bellied radial movement, that is to say, after reduction gear 6 is connected with adapter flange 3, both are retrained each other, can prevent to take place radial relative movement between reduction gear 6 and the adapter flange 3, thereby guaranteed the axiality between the input shaft of adapter shaft 4 and reduction gear 6, also guaranteed the axiality of transmission shaft 21, adapter shaft 4, the input shaft of reduction gear 6, the output shaft of reduction gear 6 and the center pin of reel 1, be favorable to the stability of whole structure operation.
The embodiment of the invention also provides a working machine, which comprises the lifting mechanism.
Because the lifting mechanism is adopted, the operation machine has all the advantages of the lifting mechanism.
In the embodiment, the working machine can be a crane, the lifting mechanism is arranged on a frame at the tail part of a turntable of the crane, the turntable is a key connecting part of the crane, the lifting arm, the upper operating room, the lifting mechanism, the slewing mechanism and the counterweight are all directly connected with the lifting mechanism, the lifting mechanism is driven by a motor, the traditional hydraulic motor is replaced, the problem of large noise and low efficiency is avoided, the motor is connected to the frame through a fixing plate 7, a winch 11 is fixed in the frame, the winding drum 1 is rotationally connected with the winch 11, a speed reducer 6 is arranged at the end part of the winch 11, the speed reducer 6 is connected with the fixing plate 7 through a transfer flange 3, and a transmission shaft 21 of the motor drives the speed reducer 6 to rotate through a transfer shaft 4, and the speed reducer 6 drives the winding drum 1 to rotate to perform hoisting work; through adopting adapter shaft 4 to be connected transmission shaft 21 and the input shaft of reduction gear 6, solved the poor problem of the unmatched commonality of the drive shaft of motor and the input shaft of reduction gear 6 among the conventional art, through changing the not unidimensional adapter shaft 4 and making the both ends of adapter shaft 4 can match the not unidimensional transmission shaft 21 and the input shaft of reduction gear 6, make transmission shaft 21 drive reduction gear 6 and then drive reel 1 rotation through adapter shaft 4, realized that a motor can adapt to the reduction gear 6 of multiple different models through changing adapter shaft 4.
The adapter shaft 4 is connected with the shaft hole 31 through a pair of angle contact bearings 5, so that the adapter shaft 4 can bear axial force and radial force simultaneously relative to a single bearing, and the stability of the connection of the adapter shaft 4 and the adapter flange 3 is improved;
by arranging the sealing structures at the joints of the two ends of the adapter flange 3 and between the fixing plate 7 and the motor, compared with the prior art that an oil seal is arranged between the bearing and the shaft hole 31, and the oil seal is tightly matched with the adapter shaft 4 and the adapter flange 3, the transmission shaft 21 is easy to damage when rotating at a high speed, and the lubricating oil is leaked, the sealing connection is realized by arranging the O-shaped sealing rings 9 at the joints of the two ends of the adapter flange 3, so that the sealing performance of the lubricating oil is more reliable and is not easy to damage.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "first aspect embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A lifting mechanism, comprising:
the winding drum (1) is rotatably arranged in the winding box (11);
the driving device (2) is provided with a transmission shaft (21), and the transmission shaft (21) is in transmission connection with the winding drum (1);
the adapter flange (3) is arranged between the winch box (11) and the driving device (2) and used for connecting the winch box (11) and the driving device (2), and the adapter flange (3) is provided with a shaft hole (31);
the transfer shaft (4) is arranged between the transmission shaft (21) and the winding drum (1), the transfer shaft (4) is rotatably arranged in the shaft hole (31), the first end of the transfer shaft (4) is connected with the transmission shaft (21), and the second end of the transfer shaft (4) is connected with the central shaft of the winding drum (1).
2. Hoisting mechanism according to claim 1, characterized in that the shaft hole (31) is arranged in the center of the adapter flange (3), a pair of angular contact bearings (5) are arranged in the shaft hole (31), and a pair of angular contact bearings (5) are sleeved on the adapter shaft (4).
3. Hoisting mechanism according to claim 2, characterized in that the shaft hole (31) is provided with a stop member (51) at both ends corresponding to a pair of angular contact bearings (5).
4. Hoisting mechanism according to claim 1, characterized in that the drive shaft (21) is threaded in the shaft hole (31), the first end of the adapter shaft (4) being connected with the drive shaft (21) by means of a spline pair.
5. Hoisting mechanism according to claim 1, characterized in that a speed reducer (6) is arranged between the winding drum (1) and the driving device (2), the speed reducer (6) is arranged at the end part of the winding box (11), an output shaft of the speed reducer (6) is connected with a central shaft of the winding drum (1), and an input shaft of the speed reducer (6) is connected with a second end of the transfer shaft (4) through a spline pair.
6. Hoisting mechanism according to claim 5, characterized in that one end of the adapter flange (3) facing away from the drive means (2) is connected with the reducer (6), and that the connection of the adapter flange (3) with the reducer (6) is provided with a first sealing structure.
7. Hoisting mechanism according to claim 1, further comprising a fixing plate (7), wherein the driving device (2) is connected to the fixing plate (7), and wherein one end of the adapter flange (3) is in sealing connection with the fixing plate (7).
8. Hoisting mechanism according to claim 7, characterized in that a second sealing structure is arranged between the driving device (2) and the fixing plate (7), and a third sealing structure is arranged at the joint of the adapter flange (3) and the fixing plate (7).
9. Hoisting mechanism according to claim 7, characterized in that the drive means (2) comprise a motor, the ends of which are connected to the fixed plate (7), which motor drives the transmission shaft (21) in rotation.
10. A work machine comprising a lifting mechanism as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432284.7A CN117228564A (en) | 2023-10-31 | 2023-10-31 | Lifting mechanism and operating machinery |
| PCT/CN2024/100844 WO2025091954A1 (en) | 2023-10-31 | 2024-06-24 | Hoisting mechanism and operation machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432284.7A CN117228564A (en) | 2023-10-31 | 2023-10-31 | Lifting mechanism and operating machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117228564A true CN117228564A (en) | 2023-12-15 |
Family
ID=89089556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311432284.7A Pending CN117228564A (en) | 2023-10-31 | 2023-10-31 | Lifting mechanism and operating machinery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN117228564A (en) |
| WO (1) | WO2025091954A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025091954A1 (en) * | 2023-10-31 | 2025-05-08 | 三一汽车起重机械有限公司 | Hoisting mechanism and operation machinery |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101641279A (en) * | 2007-03-27 | 2010-02-03 | 德马格起重机及部件有限公司 | Hoisting crane |
| CN203589905U (en) * | 2013-12-06 | 2014-05-07 | 贵州航天凯山石油仪器有限公司 | Bearing supporting structure of downhole instrument |
| CN106006377A (en) * | 2016-05-25 | 2016-10-12 | 中船第九设计研究院工程有限公司 | Driving device for crane lifting mechanism |
| CN109279530A (en) * | 2018-09-20 | 2019-01-29 | 武汉船用机械有限责任公司 | A winch drive |
| CN208948731U (en) * | 2018-09-26 | 2019-06-07 | 东莞市台冠起重机械设备有限公司 | A kind of transmission device for lifting mechanism |
| WO2020088303A1 (en) * | 2018-10-30 | 2020-05-07 | 姜启胜 | Winch fitted with planetary gear transmission having function of automatic gear shifting |
| CN115849222A (en) * | 2022-12-02 | 2023-03-28 | 太原重工股份有限公司 | Low-height hoisting mechanism winding drum transmission device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201343404Y (en) * | 2008-12-10 | 2009-11-11 | 新乡市鹏升起重设备有限公司 | Winding drum with speed reducer |
| CN210889801U (en) * | 2019-08-30 | 2020-06-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Test system switching structure |
| CN215673257U (en) * | 2021-08-18 | 2022-01-28 | 湖南三一中型起重机械有限公司 | Switching mechanism, transmission and vehicle |
| CN217025141U (en) * | 2021-12-24 | 2022-07-22 | 三一汽车起重机械有限公司 | Hoisting mechanism and crane |
| CN116177433A (en) * | 2023-03-07 | 2023-05-30 | 湖南墨达智能科技有限公司 | a winch mechanism |
| CN117228564A (en) * | 2023-10-31 | 2023-12-15 | 三一汽车起重机械有限公司 | Lifting mechanism and operating machinery |
-
2023
- 2023-10-31 CN CN202311432284.7A patent/CN117228564A/en active Pending
-
2024
- 2024-06-24 WO PCT/CN2024/100844 patent/WO2025091954A1/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101641279A (en) * | 2007-03-27 | 2010-02-03 | 德马格起重机及部件有限公司 | Hoisting crane |
| CN203589905U (en) * | 2013-12-06 | 2014-05-07 | 贵州航天凯山石油仪器有限公司 | Bearing supporting structure of downhole instrument |
| CN106006377A (en) * | 2016-05-25 | 2016-10-12 | 中船第九设计研究院工程有限公司 | Driving device for crane lifting mechanism |
| CN109279530A (en) * | 2018-09-20 | 2019-01-29 | 武汉船用机械有限责任公司 | A winch drive |
| CN208948731U (en) * | 2018-09-26 | 2019-06-07 | 东莞市台冠起重机械设备有限公司 | A kind of transmission device for lifting mechanism |
| WO2020088303A1 (en) * | 2018-10-30 | 2020-05-07 | 姜启胜 | Winch fitted with planetary gear transmission having function of automatic gear shifting |
| CN115849222A (en) * | 2022-12-02 | 2023-03-28 | 太原重工股份有限公司 | Low-height hoisting mechanism winding drum transmission device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025091954A1 (en) * | 2023-10-31 | 2025-05-08 | 三一汽车起重机械有限公司 | Hoisting mechanism and operation machinery |
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| Publication number | Publication date |
|---|---|
| WO2025091954A1 (en) | 2025-05-08 |
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