CN121551958A - Automatic clamping device and automatic clamping method for electric power tower feet - Google Patents

Automatic clamping device and automatic clamping method for electric power tower feet

Info

Publication number
CN121551958A
CN121551958A CN202511833265.4A CN202511833265A CN121551958A CN 121551958 A CN121551958 A CN 121551958A CN 202511833265 A CN202511833265 A CN 202511833265A CN 121551958 A CN121551958 A CN 121551958A
Authority
CN
China
Prior art keywords
support frame
power tower
cross
positive
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202511833265.4A
Other languages
Chinese (zh)
Inventor
申树云
戴宁
焦磊磊
曲福喜
陈立新
冯凯
王善博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Future Intelligent Technology Co ltd
Original Assignee
Shandong Future Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Future Intelligent Technology Co ltd filed Critical Shandong Future Intelligent Technology Co ltd
Priority to CN202511833265.4A priority Critical patent/CN121551958A/en
Publication of CN121551958A publication Critical patent/CN121551958A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention belongs to the technical field of tower leg manufacturing, and relates to an automatic clamping device and an automatic clamping method for an electric power tower leg. In the automatic clamping device, the clamping mechanism comprises two positive and negative wire trapezoidal screw rods, each clamping jaw is movably arranged on the positive and negative wire trapezoidal screw rods and positioned on the same horizontal plane, the driving mechanism comprises a driving motor and a toothed belt component, a rotating shaft of the driving motor is connected with the toothed belt component, and the toothed belt component is in meshed transmission connection with the positive and negative wire trapezoidal screw rods. According to the automatic clamping method, the inclination angle of the clamping jaw is adjusted to be suitable for the shape of a workpiece, the rotating shaft of the driving motor is rotated positively to control the positive and negative screw trapezoidal screw rod to rotate, the clamping jaw is automatically centered to clamp the workpiece for welding, the rotating shaft of the driving motor is rotated reversely after welding is completed, and the clamping jaw is moved outwards to loosen the workpiece. The clamping jaw automatic centering clamping device can control the clamping jaw to automatically center and clamp the electric power tower foot workpiece, improves clamping accuracy, enables the ball body of the bull eye bearing to be in contact with the workpiece during feeding, and improves feeding and discharging efficiency of the workpiece.

Description

Automatic clamping device and automatic clamping method for electric power tower feet
Technical Field
The invention belongs to the technical field of tower leg manufacturing, and particularly relates to an automatic clamping device and an automatic clamping method for an electric power tower leg, which are used for assisting in fixing the electric power tower leg.
Background
With the continuous development of the power industry, the construction requirements for power towers continue to increase. The power tower is used as a key structure for supporting and fixing a power transmission line, and the quality and stability of the power tower are important. The electric power tower foot is used as a basic part of the electric power tower, and the precision and quality of processing technologies such as welding and the like are required to be ensured, so that efficient and accurate clamping tools are required to assist in processing the electric power tower foot.
At present, a manual clamping tool is generally adopted to fix the power tower feet, but the power tower feet have obvious limitations. Manual operation depends on the experience and the proficiency of workers, positioning deviation is easy to occur, the machining precision of products is affected, and the welding requirement of power tower feet is difficult to meet. Meanwhile, the manual clamping process is long in time consumption, frequent operation of workers is needed, labor intensity is high, and particularly in mass production of electric power tower feet, the manual clamping tool becomes a bottleneck for restricting production efficiency improvement. In addition, the manual clamping tool is poor in universality, and the tool is often required to be redesigned and manufactured aiming at workpieces with different specifications and shapes, so that the production cost and the production preparation time are increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic clamping device and an automatic clamping method for power tower feet, and the technical scheme adopted by the invention is as follows:
The utility model provides an electric power tower foot automatic clamping device, including braced frame, clamping mechanism and actuating mechanism, braced frame includes interior mouthful font braced frame, outer mouthful font braced frame and cross support frame, cross support frame and the diagonal position fixed connection of interior mouthful font braced frame and outer mouthful font braced frame, cross support plate and the vertical cavity structure of supporting the curb plate combination of polylith form cross support frame, bullnose bearing is located the upper portion centre position of cross support frame, spheroid on the bullnose bearing is higher than braced frame, install cross guide rail in the cavity structure of cross support frame;
The clamping mechanism comprises two front and back screw trapezoidal lead screws which are respectively and rotatably connected with the cross-shaped supporting frame, the two front and back screw trapezoidal lead screws are arranged in a cross shape from top to bottom, the movable seat is in sliding connection with the cross-shaped guide rail, the movable seat is in threaded connection with the front and back screw trapezoidal lead screws, the bottom plate is fixedly connected with the movable seat, the clamping jaw seat is fixedly connected with the bottom plate, the upper end and the lower end of a fixed shaft on the side face of the clamping jaw seat are fixedly connected with the clamping jaw seat, the clamping jaw is rotatably connected with the middle part of the fixed shaft, a mounting screw hole is formed in the clamping jaw seat corresponding to the clamping jaw, an adjusting bolt is screwed in the mounting screw hole, and the clamping jaws are positioned on the same horizontal plane;
The driving mechanism comprises a driving motor and a toothed belt component, the driving motor is installed at the lower part of the supporting frame, a rotating shaft of the driving motor is connected with the toothed belt component through an electromagnetic clutch, the toothed belt component is installed on the supporting frame in a rotating connection mode, the toothed belt component is in meshed transmission connection with a positive and negative trapezoid screw rod, and a connecting plate is installed at the central position of the lower part of the supporting frame.
Preferably, the upper end and the lower end of the side surface of the clamping jaw seat are respectively integrally formed and processed with a semicircular installation convex block I, the middle part of the side surface of the clamping jaw seat is provided with a horizontal installation groove, the installation convex block I is processed with a vertical installation through hole I, the upper end and the lower end of the fixing shaft respectively penetrate through the installation through hole I and then are fixedly connected with the clamping jaw seat, the side surface of the clamping jaw is integrally formed and processed with a strip-shaped installation convex block II, the installation convex block II corresponds to the installation groove of the clamping jaw seat and is provided with a gap, the middle part of the installation convex block II is processed with an installation through hole II, and the fixing shaft penetrates through the installation through hole II.
Preferably, the anti-dust device further comprises four dust-proof plates, wherein the middle part of the bottom plate is provided with a through groove for the dust-proof plates in the horizontal direction to pass through, and two ends of the dust-proof plates are respectively fixedly connected with the cross-shaped support frame and the bullseye bearing.
Preferably, the hand wheel is rotatably arranged on the outer side surface of the vertical support side plate of the cross-shaped support frame far away from the driving motor, and the end part of the rotating shaft of the hand wheel penetrates through the vertical support side plate and is fixedly connected with the end part of the positive and negative screw trapezoidal screw rod.
Preferably, the center of the lower part of the movable seat is provided with an internal threaded hole matched with the positive and negative screw trapezoidal screw, and the movable seat is screwed with the positive and negative screw trapezoidal screw through the internal threaded hole.
Preferably, a guide rail chute matched with the cross guide rail is processed at the lower part of the movable seat, and the movable seat is in sliding connection with the cross guide rail through the guide rail chute.
Preferably, the motor protecting shell is fixedly arranged at the lower part of the supporting frame, and the motor protecting shell is arranged at the periphery of the driving motor.
An automatic clamping method for electric power tower feet adopts the automatic clamping device for electric power tower feet, and comprises the following steps:
Adjusting the inclination angle of the clamping jaw to adapt to the shape of the electric tower foot workpiece by controlling the extension length of each adjusting bolt;
Placing the electric power tower foot workpiece at the middle position above the supporting frame, wherein the lower surface of the electric power tower foot workpiece is contacted with the ball on the bullseye bearing, so that the friction force between the electric power tower foot workpiece and the supporting frame is reduced;
And after the welding is finished, the rotating shaft of the driving motor is reversed, each clamping jaw outwards moves to loosen the electric power tower foot workpiece, and the welded electric power tower foot workpiece is moved out.
Preferably, the support frame is fixedly mounted to the swivel bearing of the positioner via a connecting plate.
The invention has the beneficial effects that:
According to the invention, the center part of the supporting frame is provided with a group of bullnose bearings, and the spheres of the bullnose bearings are contacted with electric tower leg workpieces during feeding, so that the friction force between the workpieces and the supporting frame is reduced, and the feeding and discharging efficiency of the workpieces is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic perspective view of an automatic clamping device according to a first embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;
FIG. 5 is a schematic perspective view of the clamping mechanism of FIG. 1;
FIG. 6 is a front view of the clamping mechanism of FIG. 1;
FIG. 7 is a partial enlarged view at B in FIG. 4;
FIG. 8 is an enlarged view of a portion of FIG. 4 at C;
FIG. 9 is a partial enlarged view at D in FIG. 4;
FIG. 10 is a bottom view of FIG. 1;
FIG. 11 is a schematic perspective view of the support frame of FIG. 1;
in the figure, 1 is a clamping mechanism, 2 is a hand wheel, 3 is a supporting frame, 4 is a driving mechanism, 5 is a dust-proof plate, 6 is a bull eye bearing, 7 is a movable seat, 8 is an adjusting bolt, 9 is a clamping jaw seat, 10 is a fixed shaft, 11 is a clamping jaw, 12 is a bottom plate, 13 is a positive and negative screw trapezoidal screw, 14 is a cross guide rail, 15 is a driving motor, 16 is a motor protecting shell, 17 is a toothed belt component, 18 is a connecting plate, and 19 is an electromagnetic clutch.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and complete in conjunction with the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the present invention.
Embodiment one:
as shown in fig. 1 to 11, an embodiment of the present invention provides an automatic clamping device for a power tower leg, which includes a support frame 3, and a clamping mechanism 1 and a driving mechanism 4 mounted on the support frame 3.
The supporting frame 3 comprises an inner square-shaped supporting frame, an outer square-shaped supporting frame and a cross-shaped supporting frame, the cross-shaped supporting frame is fixedly connected with the diagonal positions of the inner square-shaped supporting frame and the outer square-shaped supporting frame into a whole, the cross-shaped supporting frame is provided with a cavity structure for installing the clamping mechanism 1, the cavity structure of the cross-shaped supporting frame is formed by combining a cross-shaped supporting plate at the lower part, a plurality of vertical supporting side plates at the middle part, a bullnose bearing 6 at the upper part and four dust-proof plates 5, the bullnose bearing 6 is positioned at the middle position at the upper part of the cross-shaped supporting frame, a cross-shaped guide rail 14 in the length direction is fixedly installed in the cavity structure of the cross-shaped supporting frame, the cross-shaped guide rail 14 comprises two guide rails parallel to each other in the length direction, and the two guide rails can ensure stable horizontal sliding of the moving seat 7 above the two guide rails. The whole structure of the supporting frame 3 is designed into a cross-shaped and reverse-shaped structure, so that the bearing strength of the supporting frame 3 is improved. The sphere part on the bullnose bearing 6 is slightly higher than the supporting frame 3, so that the friction force between the electric power tower foot workpiece and the supporting frame 3 is reduced, and the loading and unloading efficiency of the workpiece is improved.
The clamping mechanism 1 comprises two positive and negative wire trapezoidal lead screws 13 and four clamping jaws 11 movably mounted at two ends of the positive and negative wire trapezoidal lead screws 13, two ends of the two positive and negative wire trapezoidal lead screws 13 are respectively and rotatably connected with vertical supporting side plates at two ends of the cross-shaped supporting frame, the two positive and negative wire trapezoidal lead screws 13 are arranged up and down in the height direction, and mutual interference of the two positive and negative wire trapezoidal lead screws 13 at the crossing points is avoided. Four remove seat 7 symmetry sets up in the both ends of positive and negative silk trapezoidal lead screw 13 altogether, and the guide rail spout that moves seat 7 lower part both sides border position processing has length direction and cross guide rail 14 looks adaptation, removes seat 7 and cross guide rail 14 sliding connection through the guide rail spout. The center of the lower part of the movable seat 7 is provided with an internal threaded hole matched with the positive and negative screw trapezoidal screw 13, the movable seat 7 is screwed with the positive and negative screw trapezoidal screw 13 through the internal threaded hole, and when the positive and negative screw trapezoidal screw 13 rotates, the movable seats 7 at the two ends can move horizontally relatively to clamp or loosen the electric power tower foot workpieces.
The lower part of bottom plate 12 and the upper portion fixed connection who removes seat 7, the middle part of bottom plate 12 is provided with the logical groove of horizontal direction, and behind the logical groove of bottom plate 12 was passed to dust guard 5, the both ends of dust guard 5 respectively with the vertical support curb plate at cross support frame both ends and the side fixed connection of bull's eye bearing 6, dust guard 5 can avoid dust, welding slag etc. to fall on positive and negative silk trapezoidal lead screw 13, does not influence bottom plate 12 simultaneously and follows and remove seat 7 horizontal migration. The lower part of the clamping jaw seat 9 is fixedly connected with the upper part of the bottom plate 12, the upper end and the lower end of the inner side surface of the clamping jaw seat 9 are respectively integrally formed with a semicircular mounting lug I, and the middle part of the inner side surface of the clamping jaw seat 9 is provided with a horizontal mounting groove. The first mounting lug is provided with a first mounting through hole in the vertical direction, and the upper end and the lower end of the fixed shaft 10 respectively penetrate through the first mounting through hole and are fixedly connected with the clamping jaw seat 9. The clamping jaw 11 lateral surface integrated into one piece processing has rectangular installation lug two, and installation lug two corresponds with the mounting groove of clamping jaw seat 9 to leave the clearance between installation lug two and the mounting groove, installation lug two middle part processing has installation through-hole two, and fixed axle 10 passes from installation through-hole two, clamping jaw 11 and fixed axle 10 middle part rotation connection. The clamping jaw seats 9 on two sides of the installation lug are respectively provided with an installation screw hole, the adjusting bolt 8 is screwed into the installation screw hole, and the inclination angle of the clamping jaw 11 can be adjusted by manually controlling the unscrewing length of the adjusting bolt 8 so as to adapt to different shapes of electric tower leg workpieces. The upper portion width of clamping jaw 11 is greater than the lower part width for the slope of certain angle is formed to the medial surface of clamping jaw 11, and the shape of electric power tower foot work piece can be better adapted to the slope, and centering removes back clamping jaw 11 can be better the tight electric power tower foot work piece of clamp.
Because the two positive and negative wire trapezoidal lead screws 13 are arranged one above the other, the clamping jaw seats 9 on the two positive and negative wire trapezoidal lead screws 13 are processed to be low and high at different heights, so that the clamping jaw seats 9 with different heights correspond to the two positive and negative wire trapezoidal lead screws 13 one above the other, and the four clamping jaws 11 can be finally positioned on the same horizontal plane, so that the clamping effect on the electric power tower foot workpieces is ensured.
The driving mechanism 4 comprises a driving motor 15, a motor protecting shell 16 and a toothed belt assembly 17, wherein the driving motor 15 is fixedly arranged at the lower part of the supporting frame 3, and one end part of each positive and negative wire trapezoidal screw rod 13 is correspondingly provided with one driving motor 15. The motor protecting shell 16 is arranged on the periphery of the driving motor 15, and the motor protecting shell 16 is fixedly arranged on the lower part of the supporting frame 3. The rotating shaft of the driving motor 15 is fixedly connected with the toothed belt assembly 17 through the electromagnetic clutch 19, the toothed belt assembly 17 is installed on the supporting frame 3, the toothed belt assembly 17 is rotationally connected with the supporting frame 3, the toothed belt assembly 17 is in meshed transmission connection with the positive and negative wire trapezoidal screw 13, and the positive and negative wire trapezoidal screw 13 can be controlled to rotate through the toothed belt assembly 17 after the driving motor 15 is started.
The hand wheel 2 is rotatably arranged on the outer side face of the vertical support side plate at one end of the cross support frame far away from the driving motor 15, the rotating shaft end part of the hand wheel 2 penetrates through the vertical support side plate and then is fixedly connected with the end part of the positive and negative screw trapezoidal screw rod 13, when the driving motor 15 breaks down, the electromagnetic clutch 19 is powered off, the part contacted with the toothed belt assembly 17 is separated, and at the moment, the hand wheel 2 can be manually operated, so that the clamping jaw 11 clamps or loosens an electric tower foot workpiece, the maintenance time of the driving motor 15 is ensured, and the phenomenon of idle work is avoided.
A connecting plate 18 with a circular plate structure is fixedly arranged at the center of the lower part of the supporting frame 3, and the connecting plate 18 is used for fixedly connecting with a rotary bearing of the positioner.
Embodiment two:
The second embodiment of the invention provides an automatic clamping method for an electric power tower leg, which adopts the automatic clamping device for the electric power tower leg in the first embodiment, and comprises the following steps:
firstly, according to the shape of the electric power tower foot workpiece, the extension length of each adjusting bolt 8 is controlled so as to adjust the inclination angle of the clamping jaw 11, so that the inclination angle of the clamping jaw 11 is better matched with the shape of the electric power tower foot workpiece, and the best clamping effect is achieved.
The electric power tower foot workpiece is placed at the middle position above the supporting frame 3, the lower surface of the electric power tower foot workpiece is contacted with the spherical body part on the bullseye bearing 6, and friction force between the electric power tower foot workpiece and the supporting frame 3 is reduced, so that the electric power tower foot workpiece is placed more conveniently and rapidly.
Starting the driving motor 15, enabling a rotating shaft of the driving motor 15 to rotate positively, controlling the positive and negative wire trapezoidal screw rod 13 to rotate by the driving motor 15 through the toothed belt assembly 17, and carrying out procedures such as welding the electric power tower foot workpieces after clamping along with the rotation of the positive and negative wire trapezoidal screw rod 13 by each clamping jaw 11. After the welding and other processes are completed, the rotating shaft of the driving motor 15 is reversed, the clamping jaws 11 move outwards to loosen the electric power tower foot workpieces, the welded electric power tower foot workpieces are moved out, and the subsequent electric power tower foot workpieces are continuously processed.
When the automatic clamping device for electric power tower feet in the first embodiment is used, the supporting frame 3 is fixedly installed on a slewing bearing of a positioner through the connecting plate 18, then an electric power tower foot workpiece is placed on the supporting frame 3, and the positioner is the existing auxiliary welding equipment.
In the embodiments of the present invention, technical features that are not described in detail are all existing technologies or conventional technical means, and are not described herein.
Finally, it should be noted that the above examples are only specific embodiments of the present invention, and are not meant to limit the scope of the present invention. It should be understood by those skilled in the art that, within the scope of the disclosure of the present invention, any modification, variation or substitution of some technical features described in the foregoing embodiments may be easily contemplated, and it should be covered by the scope of the present invention without departing from the spirit and scope of the embodiments of the present invention.

Claims (9)

1.一种电力塔脚自动夹紧装置，包括支撑框架（3）、夹紧机构（1）和驱动机构（4），其特征在于，支撑框架（3）包括内口字形支撑框、外口字形支撑框和十字形支撑架，十字形支撑架与内口字形支撑框和外口字形支撑框的对角位置固定连接，十字形支撑板与多块竖直支撑侧板组合成十字形支撑架的腔体结构，牛眼轴承（6）位于十字形支撑架的上部正中位置，牛眼轴承（6）上的球体高于支撑框架（3），十字形支撑架的腔体结构中安装有十字形导轨（14）；1. An automatic clamping device for power tower feet, comprising a support frame (3), a clamping mechanism (1) and a driving mechanism (4), characterized in that the support frame (3) comprises an inner U-shaped support frame, an outer U-shaped support frame and a cross-shaped support frame, the cross-shaped support frame is fixedly connected to the inner U-shaped support frame and the outer U-shaped support frame at diagonal positions, the cross-shaped support plate and multiple vertical support side plates are combined to form the cavity structure of the cross-shaped support frame, the bullseye bearing (6) is located at the upper center of the cross-shaped support frame, the ball on the bullseye bearing (6) is higher than the support frame (3), and a cross-shaped guide rail (14) is installed in the cavity structure of the cross-shaped support frame. 夹紧机构（1）包括两根分别与十字形支撑架转动连接的正反丝梯形丝杠（13），两根正反丝梯形丝杠（13）一上一下十字形设置，移动座（7）与十字形导轨（14）滑动连接，移动座（7）与正反丝梯形丝杠（13）螺纹旋接，底板（12）与移动座（7）固定连接，夹爪座（9）与底板（12）固定连接，夹爪座（9）侧面的固定轴（10）上下两端与夹爪座（9）固定连接，夹爪（11）与固定轴（10）中部转动连接，夹爪座（9）上对应夹爪（11）的位置开设有安装螺孔，调节螺栓（8）旋接在安装螺孔中，各夹爪（11）位于同一水平面上；The clamping mechanism (1) includes two positive and negative trapezoidal screws (13) that are rotatably connected to the cross-shaped support frame. The two positive and negative trapezoidal screws (13) are arranged in a cross shape, one above the other. The moving seat (7) is slidably connected to the cross-shaped guide rail (14). The moving seat (7) is threadedly connected to the positive and negative trapezoidal screws (13). The base plate (12) is fixedly connected to the moving seat (7). The jaw seat (9) is fixedly connected to the base plate (12). The upper and lower ends of the fixed shaft (10) on the side of the jaw seat (9) are fixedly connected to the jaw seat (9). The jaw (11) is rotatably connected to the middle of the fixed shaft (10). The jaw seat (9) has mounting screw holes at the positions corresponding to the jaws (11). The adjusting bolt (8) is screwed into the mounting screw holes. Each jaw (11) is located on the same horizontal plane. 驱动机构（4）包括驱动电机（15）和齿形带组件（17），驱动电机（15）安装在支撑框架（3）下部，驱动电机（15）的转轴通过电磁离合器（19）与齿形带组件（17）连接，齿形带组件（17）转动连接安装在支撑框架（3）上，齿形带组件（17）与正反丝梯形丝杠（13）啮合传动连接，支撑框架（3）下部中心位置安装有连接板（18）。The drive mechanism (4) includes a drive motor (15) and a toothed belt assembly (17). The drive motor (15) is installed on the lower part of the support frame (3). The shaft of the drive motor (15) is connected to the toothed belt assembly (17) through an electromagnetic clutch (19). The toothed belt assembly (17) is rotatably connected to the support frame (3). The toothed belt assembly (17) is meshed with the positive and negative wire trapezoidal screw (13) for transmission. A connecting plate (18) is installed at the center of the lower part of the support frame (3). 2.根据权利要求1所述的一种电力塔脚自动夹紧装置，其特征在于，夹爪座（9）的侧面上下两端分别一体成型加工有半圆形的安装凸块一，夹爪座（9）的侧面中部开设有水平方向的安装凹槽，安装凸块一上加工有竖直方向的安装通孔一，固定轴（10）上下两端分别穿过安装通孔一后与夹爪座（9）固定连接，夹爪（11）侧面一体成型加工有长条形的安装凸块二，安装凸块二与夹爪座（9）的安装凹槽相对应并留有间隙，安装凸块二中部加工有安装通孔二，固定轴（10）从安装通孔二中穿过。2. The automatic clamping device for power tower feet according to claim 1, characterized in that, the upper and lower ends of the side of the clamping base (9) are integrally formed with semi-circular mounting protrusions, the middle of the side of the clamping base (9) is provided with a horizontal mounting groove, the mounting protrusions are provided with vertical mounting through holes, the upper and lower ends of the fixing shaft (10) pass through the mounting through holes and are fixedly connected to the clamping base (9), the side of the clamping claw (11) is integrally formed with a long strip mounting protrusion, the mounting protrusions correspond to the mounting groove of the clamping base (9) and leave a gap, the middle of the mounting protrusions is provided with mounting through holes, and the fixing shaft (10) passes through the mounting through holes. 3.根据权利要求1所述的一种电力塔脚自动夹紧装置，其特征在于，还包括四块防尘板（5），底板（12）的中部设置有水平方向的防尘板（5）穿过的通槽，防尘板（5）两端分别与十字形支撑架和牛眼轴承（6）固定连接。3. The automatic clamping device for power tower feet according to claim 1, characterized in that it further includes four dustproof plates (5), and a horizontal through groove is provided in the middle of the base plate (12) through which the dustproof plates (5) pass, and the two ends of the dustproof plates (5) are fixedly connected to the cross-shaped support frame and the bullseye bearing (6) respectively. 4.根据权利要求1所述的一种电力塔脚自动夹紧装置，其特征在于，手轮（2）转动安装在十字形支撑架远离驱动电机（15）的竖直支撑侧板外侧面，手轮（2）的转轴端部穿过竖直支撑侧板与正反丝梯形丝杠（13）端部固定连接。4. The automatic clamping device for power tower legs according to claim 1, characterized in that the handwheel (2) is rotatably installed on the outer side of the vertical support side plate away from the drive motor (15) of the cross-shaped support frame, and the end of the rotating shaft of the handwheel (2) passes through the vertical support side plate and is fixedly connected to the end of the positive and negative wire trapezoidal screw (13). 5.根据权利要求1所述的一种电力塔脚自动夹紧装置，其特征在于，移动座（7）下部中心位置加工有与正反丝梯形丝杠（13）相适配的内螺纹孔，移动座（7）通过内螺纹孔与正反丝梯形丝杠（13）螺纹旋接。5. The automatic clamping device for power tower feet according to claim 1, characterized in that the lower center of the movable seat (7) is machined with an internal thread hole that is compatible with the positive and negative thread trapezoidal screw (13), and the movable seat (7) is threadedly connected to the positive and negative thread trapezoidal screw (13) through the internal thread hole. 6.根据权利要求5所述的一种电力塔脚自动夹紧装置，其特征在于，移动座（7）下部加工有与十字形导轨（14）相适配的导轨滑槽，移动座（7）通过导轨滑槽与十字形导轨（14）滑动连接。6. The automatic clamping device for power tower feet according to claim 5, characterized in that the lower part of the movable seat (7) is machined with a guide rail groove adapted to the cross-shaped guide rail (14), and the movable seat (7) is slidably connected to the cross-shaped guide rail (14) through the guide rail groove. 7.根据权利要求1所述的一种电力塔脚自动夹紧装置，其特征在于，电机防护壳（16）设置在驱动电机（15）外周，电机防护壳（16）固定安装在支撑框架（3）的下部。7. The automatic clamping device for power tower feet according to claim 1, characterized in that the motor protective shell (16) is disposed on the outer periphery of the drive motor (15), and the motor protective shell (16) is fixedly installed on the lower part of the support frame (3). 8.一种电力塔脚自动夹紧方法，其特征在于，采用如权利要求1所述的一种电力塔脚自动夹紧装置，包括以下步骤：8. A method for automatically clamping power tower legs, characterized in that it employs an automatic clamping device for power tower legs as described in claim 1, comprising the following steps: 通过控制各调节螺栓（8）的伸出长度，调整夹爪（11）的倾斜角度适配电力塔脚工件的形状；By controlling the extension length of each adjusting bolt (8), the tilt angle of the clamp (11) is adjusted to match the shape of the power tower foot workpiece; 将电力塔脚工件放置到支撑框架（3）上方中间位置，电力塔脚工件的下表面与牛眼轴承（6）上的球体接触，减少电力塔脚工件与支撑框架（3）之间的摩擦力；The power tower foot workpiece is placed in the middle position above the support frame (3), and the lower surface of the power tower foot workpiece contacts the ball on the bullseye bearing (6) to reduce the friction between the power tower foot workpiece and the support frame (3). 启动驱动电机（15），使驱动电机（15）的转轴正转，驱动电机（15）通过齿形带组件（17）控制正反丝梯形丝杠（13）转动，各夹爪（11）自动对中夹紧电力塔脚工件进行焊接；完成焊接后，使驱动电机（15）的转轴反转，各夹爪（11）向外移动将电力塔脚工件松开，将焊接完成的电力塔脚工件移出。Start the drive motor (15) to make the shaft of the drive motor (15) rotate forward. The drive motor (15) controls the forward and reverse trapezoidal screw (13) to rotate through the toothed belt assembly (17). Each gripper (11) automatically centers and clamps the power tower foot workpiece for welding. After welding is completed, the shaft of the drive motor (15) is reversed, and each gripper (11) moves outward to release the power tower foot workpiece and remove the welded power tower foot workpiece. 9.根据权利要求8所述的一种电力塔脚自动夹紧方法，其特征在于，先将支撑框架（3）通过连接板（18）固定安装到变位机的回转轴承上。9. The automatic clamping method for power tower feet according to claim 8, characterized in that the support frame (3) is first fixedly installed on the slewing bearing of the positioner through the connecting plate (18).
CN202511833265.4A 2025-12-08 2025-12-08 Automatic clamping device and automatic clamping method for electric power tower feet Pending CN121551958A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121733164A (en) * 2026-03-02 2026-03-27 沧能电力装备股份有限公司 Quick positioning and clamping device for welding tower feet of power transmission towers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121733164A (en) * 2026-03-02 2026-03-27 沧能电力装备股份有限公司 Quick positioning and clamping device for welding tower feet of power transmission towers

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