WO2018201890A1 - 水下推进器以及潜水器 - Google Patents

水下推进器以及潜水器 Download PDF

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Publication number
WO2018201890A1
WO2018201890A1 PCT/CN2018/083404 CN2018083404W WO2018201890A1 WO 2018201890 A1 WO2018201890 A1 WO 2018201890A1 CN 2018083404 W CN2018083404 W CN 2018083404W WO 2018201890 A1 WO2018201890 A1 WO 2018201890A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
stator
rotor
propeller
underwater propeller
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.)
Ceased
Application number
PCT/CN2018/083404
Other languages
English (en)
French (fr)
Inventor
魏建仓
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.)
TIANJIN DEEPFAR OCEAN TECHNOLOGY Co Ltd
Original Assignee
TIANJIN DEEPFAR OCEAN 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 TIANJIN DEEPFAR OCEAN TECHNOLOGY Co Ltd filed Critical TIANJIN DEEPFAR OCEAN TECHNOLOGY Co Ltd
Priority to AU2018262866A priority Critical patent/AU2018262866B2/en
Priority to EP18795009.2A priority patent/EP3620368A4/en
Priority to JP2019517847A priority patent/JP7019119B2/ja
Priority to US16/336,906 priority patent/US10745094B2/en
Publication of WO2018201890A1 publication Critical patent/WO2018201890A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/14—Control of attitude or depth
    • B63G8/16—Control of attitude or depth by direct use of propellers or jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
    • B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
    • B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
    • B63G2008/005—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned remotely controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H2005/075—Arrangements on vessels of propulsion elements directly acting on water of propellers using non-azimuthing podded propulsor units, i.e. podded units without means for rotation about a vertical axis, e.g. rigidly connected to the hull
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • F16C2380/28—Motor, generator coupled with a flywheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts

Definitions

  • the present application relates to the field of power equipment technology, and in particular, to an underwater propeller and a submersible.
  • a propeller is a power unit of a ROV (Remote Operated Vehicle).
  • the ROV inputs the pair of electrical energy to the thruster, which converts the input electrical energy into the rotational mechanical energy of the propeller, thereby propelling the ROV to move underwater.
  • the existing underwater propeller consists of a sealed compartment, a motor and its driving device, a propeller and a shroud.
  • the finished motor sometimes, in addition to the actual need to install a speed reducer in front of the motor
  • the extension shaft of the above-mentioned driving device drives the propeller to rotate to generate thrust.
  • the Applicant has found that the existing propeller is bulky due to the connection of the motor to the propeller through the rotating shaft, especially in the axial direction.
  • the present application discloses a propeller and a submersible to solve the problems of the propeller in the background art.
  • an embodiment of the present application discloses an underwater propeller, comprising: a casing, which is a cylindrical structure with open ends; a stator sleeve, which is a cylindrical structure with an open end, the stator a sleeve is suspended in an inner cavity of the housing, a gap is disposed between an outer sidewall of the stator sleeve and an inner sidewall of the housing; and a motor stator is fixed inside the stator sleeve; a rotor sleeve is a cylindrical structure with an open end, the rotor sleeve is sleeved on the stator sleeve, and a gap is disposed between an inner sidewall of the rotor sleeve and an outer sidewall of the stator sleeve.
  • the rotor sleeve is rotatably coupled to the stator sleeve, a bottom of the rotor sleeve is rotatably coupled to the housing; a motor rotor is fixed to an inner side wall of the rotor sleeve; and a propeller is fixed at the The outer side wall of the rotor sleeve, and the maximum diameter of the propeller is smaller than the inner diameter of the casing.
  • a first bearing is disposed between the inner sidewall of the rotor sleeve and the outer sidewall of the stator sleeve.
  • the housing comprises: a cylindrical body, a cylindrical structure that is open at both ends; an axis of the cylindrical body coincides with an axis of the housing; a mounting seat is an annular structure, and the mounting seat is The outer wall of the annular structure is fixed to the inner wall of the cylinder by a plurality of support members, the axis of the annular structure coincides with the axis of the cylinder; the support frame is two concentric rings, and the two concentric rings The rings are connected by a plurality of support rods fixed at an opening position of one end of the barrel, the support frame is provided with a support hole, the axis of the support hole and the barrel The axes coincide.
  • an opening of the stator sleeve is sealingly fixed to an end surface of the mounting seat; an opening direction of the rotor sleeve is consistent with an opening direction of the stator sleeve, and an axis of the rotor sleeve is The axes of the stator sleeves coincide.
  • the underwater propeller further includes: a convex shaft disposed on a bottom outer wall of the rotor sleeve, and an axis of the convex shaft coincides with an axis of the rotor sleeve; a second bearing, The second bearing is disposed in the support hole, and the protruding shaft is rotatably disposed in the support hole on the support frame by the second bearing.
  • the underwater propeller further includes: a first sealing member sealingly fixed on an inner wall of the mounting seat to seal a space between the stator sleeves.
  • the underwater propeller further includes: a circuit board located in an internal cavity of the mounting seat; a cable having one end connected to the circuit board and the other end passing through the first sealing member and the motor a stator is connected; wherein a space between the cable and the first seal is sealed; a second seal is located at an opening of the mount away from the end of the stator sleeve for The internal cavity seal of the mount.
  • the underwater propeller further includes: an end cover, which is two concentric rings, and the two concentric rings of the end cover are connected by a plurality of support rods, and the end cover is fixed at An opening position of the cylinder away from an end of the support frame.
  • the support frame and the end cover are both fixed to the barrel by a screw connection.
  • the inner wall of the stator sleeve is provided with a plurality of ribs; the outer diameter of the stator of the motor is matched with the inner wall of the stator sleeve, and the outer wall of the stator of the motor is provided with the convex A plurality of grooves that cooperate with each other for securing the stator of the motor within the stator sleeve.
  • the pitch of the propeller is from 100 mm to 135 mm.
  • An embodiment of the present application also provides a submersible comprising the underwater propeller of any of the foregoing.
  • the underwater propeller provided by the present application directly improves the structure of the motor, the motor stator is installed in the stator sleeve, the motor rotor is fixed in the rotor sleeve, and the rotor sleeve can rotate around the stator sleeve.
  • the propeller is directly fixed to the outer wall of the rotor sleeve, so that when the rotor of the motor rotates, the rotor sleeve can be rotated to drive the propeller fixed to the rotor sleeve.
  • the underwater propeller the propeller is directly fixed to the rotor sleeve, so that the structure of the motor is very compact, and the shaft transmission is not required, so that the length of the underwater propeller in the axial direction is greatly reduced, thereby enabling the underwater propulsion.
  • the overall size of the device can be reduced.
  • FIG. 1 is a schematic cross-sectional view of an underwater propeller provided by an embodiment of the present application.
  • FIG. 2 is a partial cross-sectional view of an underwater propeller provided by an embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional view of an underwater propeller provided by an embodiment of the present application.
  • FIG. 4 is a partial cross-sectional view of an underwater propeller provided by an embodiment of the present application.
  • Figure 5 is a schematic cross-sectional view showing a rotor sleeve according to an embodiment of the present application
  • FIG. 6 is a cross-sectional view of a rotor sleeve according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a stator of a motor according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of an end surface of a stator of a motor according to an embodiment of the present application.
  • FIG. 1 is a schematic cross-sectional view of an underwater propeller according to an embodiment of the present application
  • FIG. 2 is a partial cross-sectional view of an underwater propeller provided by an embodiment of the present application
  • FIG. 4 is a partial cross-sectional view of an underwater propeller provided by an embodiment of the present application.
  • the underwater propeller includes a casing 1, a stator sleeve 2, a motor stator 3, a rotor sleeve 4, a motor rotor 5, and a propeller 6.
  • the casing 1 is a cylindrical structure in which both ends are open.
  • the housing 1 serves as an integral support structure for the underwater propeller.
  • the stator sleeve 2, the motor stator 3, the rotor sleeve 4, the motor rotor 5, and the propeller 6 are all mounted inside the casing 1.
  • the stator sleeve 2 is a cylindrical structure whose one end is open.
  • the stator sleeve 2 houses and fixes the motor stator 3.
  • the stator sleeve 2 can be suspended in the inner cavity of the casing 1 by a supporting member such as a rod or a plate.
  • a space is provided between the outer side wall of the stator sleeve 2 and the inner side wall of the casing 1, which is annular in shape and can be used as the flow guiding passage 18, which facilitates the passage of water in the casing 1.
  • the motor stator 3 is fixed inside the stator sleeve.
  • the fixing manner can be various, as long as the relative rotation and movement between the motor stator 3 and the stator sleeve 2 are not caused.
  • the rotor sleeve 4 has a cylindrical structure with one end open.
  • the rotor sleeve 4 is sleeved on the stator sleeve 2 to cooperate with the stator sleeve.
  • the rotor sleeve 4 is rotatably coupled to the stator sleeve 2.
  • the bottom of the rotor sleeve 4 is rotatably coupled to the housing.
  • a gap is provided between the inner side wall of the rotor sleeve 4 and the outer side wall of the stator sleeve 2 such that the rotor sleeve can rotate about the stator sleeve on the stator sleeve 2.
  • the axis of the rotor sleeve 4 coincides with the axis of the stator sleeve 2, which ensures the stability of the rotor sleeve 4 when it is rotated.
  • the motor rotor 5 is fixed to the inner side wall of the rotor sleeve.
  • the motor rotor 5 does not rub against the stator sleeve 2.
  • the motor stator 3 is subjected to alternating current, the motor rotor 5 can drive the rotor sleeve 4 to rotate around the stator sleeve 2.
  • the propeller 6 is fixed to the outer side wall of the rotor sleeve.
  • the maximum diameter of the propeller 6 is smaller than the inner diameter of the housing. Due to the rotation of the rotating sleeve 4, the propeller 6 is driven to rotate, so that the flow of water entering the flow guiding passage 18 in the casing provides the underwater propeller with a thrust opposite to the direction of the water flow.
  • the motor when the propeller is driven by the motor, the motor is used as an independent whole body, and then the motor is used to drive the rotating shaft, thereby driving the propeller through the rotating shaft.
  • the underwater propeller provided by the above embodiment directly improves the structure of the motor, and the motor stator is installed in the stator sleeve, the motor rotor is fixed in the rotor sleeve, and the rotor sleeve can surround the stator sleeve. Turn.
  • the propeller is directly fixed to the outer wall of the rotor sleeve, so that when the rotor of the motor rotates, the rotor sleeve can be rotated to drive the propeller fixed to the rotor sleeve.
  • the propeller is directly fixed to the rotor sleeve, so that the structure of the motor is very compact, and the shaft transmission is not required, so that the length of the underwater propeller in the axial direction is greatly reduced, thereby The overall volume of the underwater propeller can be reduced.
  • the housing of the underwater propeller may include a barrel 101, a mount 102, a support frame 103, a support hole 104, and a support member 105.
  • the cylindrical body 101 has a cylindrical structure in which both ends are open.
  • the cylindrical body 101 may have a circular cross section.
  • the cylindrical body 101 may have an elliptical cross section or the like.
  • the material of the cylinder 101 may be metal.
  • the material of the cylinder 101 may also be a high-strength polymer material. In the embodiment of the present application, the material of the cylinder 101 is not limited. .
  • the mount 102 is a ring structure. On the outer wall of the annular structure of the mount 102, a plurality of support members 105 are dispersedly disposed. One end of the support member 105 is fixed to the mounting base 102, and the other end is fixed to the inner wall of the cylindrical body.
  • the support member 105 may be in the form of a rod.
  • the support member 105 may also be in the form of a plate.
  • the function of the mounting base 102 is to support the motor stator, the motor rotor and the propeller.
  • the mounting seat and the stator sleeve are mounted in such a manner that the opening of the stator sleeve 2 is sealed and fixed to one end surface of the annular structure of the mounting seat.
  • the mount and the stator sleeve can be integrally formed.
  • the mount and the stator sleeve are in a split configuration, as an option, the two can also be fixed by glue.
  • the mount and the stator sleeve are both metal, as an option, the two can also be fixed by welding.
  • the axis of the annular structure of the mount 102 may coincide with the axis of the barrel 101 such that the mounted motor stator, motor rotor, and propeller are located on the axis of the housing to enhance operation of the propeller during operation within the housing. stability.
  • the support frame 103 is two concentric rings, and the two concentric rings are connected by a plurality of support bars, and the plurality of support bars are dispersed.
  • the position of the support frame 103 is located at an opening position at one end of the cylindrical body 101.
  • the support frame 103 functions to cooperate with the mounting base 102 to fix the motor stator, the motor rotor and the propeller inside the cylindrical body 101.
  • a support hole 104 is disposed on the support frame 103, and the axis of the support hole 104 coincides with the axis of the cylinder 101 to improve the stability of the rotor sleeve when rotating around the stator sleeve. .
  • the underwater propeller may further include a first bearing 7, a second bearing 8, and a male shaft 9 on the basis of the above embodiments.
  • the opening position of the outer wall of the stator sleeve 2 may be provided with a stator bearing mounting groove 15.
  • a rotor bearing mounting groove 19 is provided at an opening position of the inner wall of the rotor sleeve 4.
  • the opening direction of the rotor sleeve 4 is the same as the opening direction of the stator sleeve 2, and the axis of the rotor sleeve coincides with the axis of the stator sleeve, so that when the stator sleeve 2 is sleeved on the rotor sleeve 4, the stator bearing
  • the mounting groove 15 and the rotor bearing mounting groove 19 may together form an annular mounting space.
  • the first bearing 7 is mounted in the stator bearing mounting groove 15 and the rotor bearing mounting groove 19 to collectively form an annular mounting space.
  • the rotor sleeve 4 can be rotated about the stator sleeve 2.
  • the first bearing 7 can be an ultra-thin bearing.
  • the male shaft 9 is disposed on the bottom outer wall of the rotor sleeve 4.
  • the support frame 103 is fixed at the open position of the casing 1, and the position of the convex shaft 9 on the rotor sleeve 4 is exactly the same as that of the support hole 104 on the support frame 103.
  • the positions correspond and the male shaft projects into the inside of the support hole 104.
  • the second bearing 8 is disposed between the support hole 104 and the convex shaft 9.
  • the second bearing 8 allows the male shaft 9 to rotate within the support hole 104.
  • the axis of the male shaft 9 coincides with the axis of the rotor sleeve 4 to facilitate rotation of the rotor sleeve.
  • the rotor sleeve and the stator sleeve can be completely fixed inside the casing 1, and the rotor sleeve 4 can be freely rotated around the stator sleeve.
  • the motor stator 3 may include a stator mount 12, a stator support plate 13, and a curved plate 14.
  • the stator mount 12 may have a ring structure or a column structure.
  • the stator mount 12 employs a ring structure.
  • One side of the stator support plate 13 is fixed to the stator mount 12, and the other side is fixed to the curved plate 14.
  • a plurality of curved plates 14 enclose an annular shape, and grooves are disposed between adjacent two curved plates.
  • the outer diameter of the motor stator 3 matches the inner wall of the stator sleeve 2.
  • a plurality of ribs 22 are disposed on the inner wall of the stator sleeve 2.
  • the rib 22 has a one-to-one correspondence with the groove between the curved plates on the stator of the motor.
  • the underwater propeller may further include a first seal 10.
  • the first seal 10 is fixed to the inner wall of the mount.
  • the position of the first seal 10 is located at the junction of the stator sleeve 2 and the mount 102. Since the first seal 10 and the inner wall of the mount 102 are sealed, the space inside the stator sleeve is completely sealed, so that the motor stator located in the stator sleeve can be completely isolated from the water.
  • the underwater propeller may further include a circuit board 21, a cable (not shown), and a second seal 20.
  • the circuit board 21 is located in the internal cavity of the mount 102.
  • the circuit board 21 provides power to the motor stator and controls current parameters flowing through the stator of the motor.
  • the cable connects the board to the motor stator.
  • One end of the cable is connected to the output end of the circuit board, and the other end is connected to the stator of the motor through the first sealing member.
  • the cable is sealed through the position of the first seal to ensure the airtightness of the motor stator.
  • the second seal 20 is disposed on the mount at an open end position away from the stator sleeve 2.
  • the second seal 20 seals the internal cavity of the mount 102 such that both the circuit board and the cable located within the mount 102 are isolated from the water.
  • the underwater propeller may also include an end cap 11.
  • the end cap 11 is two concentric rings.
  • the two concentric rings of the end cap 11 are connected by a plurality of support rods.
  • the end cap 11 is fixed to an opening position of the cylinder away from one end of the support frame.
  • the function of the end cover 11 is to intercept the opening of the flow guiding channel, and the plurality of supporting rods separate the guiding channel to prevent the human hand or other foreign matter from directly entering the guiding channel, thereby causing the propeller to malfunction.
  • both the support frame 103 and the end cap 11 can be threadedly secured to the two open positions of the barrel for ease of removal.
  • the underwater propeller may further include a first shroud 16 and a second shroud 17.
  • the first shroud 16 is disposed on the support frame and the shroud is located outside the housing.
  • the second shroud 17 is fixed to the end cover 11, and the second shroud 17 is located outside the casing. This will reduce the water resistance.
  • An embodiment of the present application also provides a submersible that can include the underwater propeller described in any of the foregoing embodiments. Depending on the design of the submersible, one or more of the above-described underwater propellers may be installed in the submersible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Toys (AREA)

Abstract

一种潜水器的推进器，该推进器包括：壳体（1），为两端开口的筒状结构；定子套筒（2），为一端开口的筒状结构，悬置在壳体（1）的内部空腔中；电机定子（3），固定在定子套筒（2）的内部；转子套筒（4），为一端开口的筒状结构，设在定子套筒（2）上；电机转子（5），固定在转子套筒（4）的内壁上；螺旋桨（6），固定在转子套筒（4）的外侧壁上。该水下推进器的螺旋桨（6）直接固定在转子套筒（4）上，可以使得电机的结构紧凑，无需转轴传动，从而推进器的长度变短、体积缩小。

Description

水下推进器以及潜水器
相关申请的引用
本申请要求2017年5月5日递交的、名称为水下推进器以及潜水器的中国专利申请201720493127.0的优先权和所有权益，该申请的所有内容以引用的方式全部并入本文。
技术领域
本申请涉及动力设备技术领域，尤其涉及一种水下推进器以及潜水器。
背景技术
推进器是指一种ROV(Remote Operated Vehicle，无人遥控潜水器)的动力装置。ROV给推进器输入对电能，推进器将输入的电能转化为螺旋桨的旋转机械能，从而推动ROV在水下移动。
现有的水下推进器由密封舱、电机及其驱动装置、螺旋桨及导流罩等组成。通常是将成品的电动机(有时为了实际需要还会在电动机前加装减速器)及其驱动装置放入密封舱之中，利用上述驱动装置的伸出轴带动螺旋桨旋转产生推力。
通过对现有技术研究，申请人发现，现有的推进器由于电动机通过转轴与螺旋桨相连接，体积较大，尤其是在轴向方向上体积较大。
实用新型内容
本申请公开了一种推进器以及潜水器，以解决背景技术中推进器存在的问题。
为解决上述技术问题，本申请的一个实施例公开了一种水下推进器，包括：壳体，为两端开口的筒状结构；定子套筒，为一端开口的筒状结构，所述定子套筒悬置在所述壳体的内部空腔中，所述定子套筒的外侧壁与所述壳体的内侧壁之间设置有间隔；电机定子，固定在所述定子套筒的内部；转子套筒，为一端开口的筒状结构，所述转子套筒套设在所述定子套筒上，所述转子套筒的内侧壁与所述定子套筒的外侧壁之间设置有间隙，所述转子套筒与所述定子套筒转动连接，所述转子套筒的底部与所述壳体转动连接；电机转子，固定在所述转子套筒的内侧壁上；以及螺旋桨，固定在所述转子套筒的外侧壁上，且所述螺旋桨的最大直径小于所述壳体的内径。
可选地，所述转子套筒的内侧壁与所述定子套筒的外侧壁之间设置有第一轴承。
可选地，所述壳体包括：筒体，为两端开口的筒状结构；所述筒体的轴线与所述壳体的轴线相重合；安装座，为环形结构，所述安装座的环形结构外壁通过多个支撑件与所述筒体的内壁相固定，所述环形结构的轴线与所述筒体的轴线相重合；支撑架，为两个同心圆环，且所述两个同心圆环之间通过多个支撑杆相连接，所述支撑架固定在所述筒体的一端的开口位置，所述支撑架上设置有支撑孔，所述支撑孔的轴线与所述筒体的轴线相重合。
可选地，所述定子套筒的开口与所述安装座的端面密封固定；所述转子套筒的开口方向与所述定子套筒的开口方向一致，且所述转子套筒的轴线与所述定子套筒的轴线相重合。
可选地，所述水下推进器还包括：凸轴，设置在所述转子套筒的底部外壁上，且所述凸轴的轴线与所述转子套筒的轴线相重合；第二轴承，所述第二轴承设置在所述支撑孔内，且所述凸轴通过所述第二轴承可转动设置在所述支撑架上的支撑孔内。
可选地，所述水下推进器还包括：第一密封件，所述第一密封件密封固定在所述安装座的内壁上，将所述定子套筒之间的空间密封。
可选地，所述水下推进器还包括：电路板，位于所述安装座的内部空腔中；线缆，一端与电路板连接，另一端穿过所述第一密封件与所述电机定子相连接；其中，所述线缆与所述第一密封件之间的空间被密封；第二密封件，位于所述安装座上远离所述定子套筒的一端开口位置，用于将所述安装座的内部空腔密封。
可选地，所述水下推进器还包括：端盖，为两个同心圆环，且所述端盖的两个同心圆环之间通过多个支撑杆相连接，所述端盖固定在所述筒体上远离所述支撑架的一端的开口位置。
可选地，所述支撑架和所述端盖均通过螺纹连接的方式固定在所述筒体上。
可选地，所述定子套筒的内壁上设置有多个凸棱；所述电机定子外径与所述定子套筒的内壁相匹配，且所述电机定子的外壁上设置有与所述凸棱相配合的多个凹槽，用于将所述电机定子固定在所述定子套筒内。
可选地，所述螺旋桨的螺距为100mm～135mm。
本申请的一个实施例还提供一种潜水器，包括前述中任意一项种所述的水下推进器。
本申请的技术方案可以包括以下有益效果：
本申请提供的水下推进器，是直接对电机的结构进行了改进，将电机定子安装在定子套筒内，将电机转子固定在转子套筒内，并且转子套筒可以围绕定子套筒转动。而且，根据上述实施例的水下推进器，螺旋桨直接固定在转子套筒的外壁上，这样就使得当电机转子转动时可以带动转子套筒转动，进而驱动固定在转子套筒上的螺旋桨。
该水下推进器，螺旋桨直接固定在转子套筒，可以使得电机的结构非常紧凑，无需转轴传动，从而使得该水下推进器在轴向方向的长度大大减小，进而使的该水下推进器的整体体积可以缩小。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对实施例或背景技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请一个实施例提供的一种水下推进器的剖视示意图；
图2为本申请一个实施例提供的一种水下推进器的局部剖视示意图；
图3为本申请一个实施例提供的一种水下推进器的断面示意图；
图4为本申请一个实施例提供的一种水下推进器的局部断面示意图；
图5为本申请一个实施例提供的转子套筒的断面示意图；
图6为本申请一个实施例提供的转子套筒的剖视示意图；
图7为本申请一个实施例提供的电机定子的结构示意图；
图8为本申请一个实施例提供的电机定子的端面示意图。
附图标记说明：壳体1、定子套筒2、电机定子3、转子套筒4、电机转子5、螺旋桨6、第一轴承7、第二轴承8、凸轴9、筒体101、安装座102、支撑架103、支撑孔104、 支撑件105、第一密封件10、端盖11、定子固定座12、定子支撑板13、弧形板14、定子轴承安装槽15、第一导流罩16、第二导流罩17、导流通道18、转子轴承安装槽19、第二密封件20、电路板21和凸棱22。
具体实施方式
为了使本技术领域的人员更好地理解本申请中的技术方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
图1为本申请一个实施例提供的一种水下推进器的剖视示意图；图2为本申请一个实施例提供的一种水下推进器的局部剖视示意图；图3为本申请一个实施例提供的一种水下推进器的断面示意图；图4为本申请一个实施例提供的一种水下推进器的局部断面示意图。
如图1至图4所示，该水下推进器包括：壳体1、定子套筒2、电机定子3、转子套筒4、电机转子5和螺旋桨6。
壳体1为两端开口的筒状结构。壳体1作为该水下推进器的整体支撑结构。定子套筒2、电机定子3、转子套筒4、电机转子5以及螺旋桨6均安装在壳体1的内部。
定子套筒2为一端开口的筒状结构。定子套筒2容纳、固定电机定子3。定子套筒2可以通过杆状或板状等具有支撑作用的部件悬置在壳体1的内腔中。作为一种选择，定子套筒2的外侧壁与壳体1的内侧壁之间设置有间隔，这个间隔呈环形，可以用来作为导流通道18，这样便于壳体1内水流的通过。
电机定子3固定在定子套筒的内部。固定方式可以为多种多样，只要保证电机定子3与定子套筒2之间不发生相对转动、移动即可。
转子套筒4为一端开口的筒状结构。转子套筒4套设在定子套筒2上，与定子套筒相配合。转子套筒4与定子套筒2之间转动连接。转子套筒4的底部与壳体转动连接。转子套筒4的内侧壁与定子套筒2的外侧壁之间设置有间隙，这样转子套筒可以在定子套筒2上围绕定子套筒转动。转子套筒4的轴线与定子套筒2的轴线相重合，这样可保证转子套筒4转动时的稳定性。
电机转子5固定在转子套筒的内部侧壁上。转子套筒4围绕定子套筒2转动时，电机转子5不与定子套筒2摩擦。这样当对电机定子3通过交流电时，电机转子5可以带动转子套筒4围绕定子套筒2转动。
螺旋桨6固定在转子套筒的外侧壁上。螺旋桨6的最大直径小于壳体的内径。由于转动套筒4的转动，螺旋桨6会被带动转动，进而使得进入到壳体中导流通道18内的水流为该水下推进器提供与水流方向相反的推力。
根据现有技术推进器，是在利用电机驱动螺旋桨时，将电机作为一个独立的整体，然后利用电机驱动转轴，进而通过转轴带动螺旋桨转动。而上述实施例提供的水下推进器，是直接对电机的结构进行了改进，将电机定子安装在定子套筒内，将电机转子固定在转子套筒内，并且转子套筒可以围绕定子套筒转动。而且，根据上述实施例的水下推进器，螺旋桨直接固定在转子套筒的外壁上，这样就使得当电机转子转动时可以带动转子套筒转动，进而驱动固定在转子套筒上的螺旋桨。上述实施例提供的该水下推进器，螺旋桨直接固定在转子套筒，可以使得电机的结构非常紧凑，无需转轴传动，从而使得该水下推进器在轴向方向的长度大大减小，进而使的该水下推进器的整体体积可以缩小。
作为一种选择，水下推进器的壳体可以包括筒体101、安装座102、支撑架103、支撑孔104和支撑件105。
筒体101为两端开口的筒状结构。作为一种选择，筒体101的横截面可以为圆形，作为另一种选择，筒体101的横截面也可以为椭圆形等。作为一种选择，筒体101的材料可以为金属，作为另一种选择，筒体101的材料也可以为高强度高分子材料，在本申请实施例中，对筒体101的材料不做限定。
安装座102为环形结构。在安装座102环形结构的外壁上，分散设置有多个支撑件105。支撑件105的一端与安装座102相固定，另一端固定在筒体的内壁上。作为一种选择，支撑件105可以为杆状，作为另一种选择，支撑件105也可以为板状。
安装座102的作用是为了支撑电机定子、电机转子以及螺旋桨，安装座和定子套筒的安装方式为：定子套筒2的开口与安装座的环形结构的一侧端面密封固定。作为一种选择，安装座和定子套筒可以为一体成型。当安装座和定子套筒为分体结构时，作为一种选择，二者之间还可以通过胶水的方式固定。当然，如果安装座和定子套筒均为金属时，作为一种选择，二者还可以通过焊接的方式固定。
作为一种选择，安装座102的环形结构的轴线可以与筒体101的轴线相重合，以使得安装后的电机定子、电机转子以及螺旋桨位于壳体的轴线上，提高螺旋桨在壳体内运 行时的稳定性。
作为一种选择，支撑架103为两个同心圆环，并且这两个同心圆环通过多个支撑杆相连接，多个支撑杆分散设置。支撑架103的位置位于筒体101一端的开口位置，支撑架103的作用是与安装座102配合，将电机定子、电机转子以及螺旋桨固定在筒体101内部。作为一种选择，如图2所示，在支撑架103上设置有支撑孔104，并且支撑孔104的轴线与筒体101的轴线相重合，提高转子套筒围绕定子套筒转动时的稳定性。
作为一种选择，在上述实施例的基础上，该水下推进器还可以包括第一轴承7、第二轴承8和凸轴9。
定子套筒2外壁的开口位置可设置有定子轴承安装槽15。在转子套筒4内壁的开口位置设置有转子轴承安装槽19。转子套筒4的开口方向与定子套筒2的开口方向相同，并且转子套筒的轴线和定子套筒的轴线相重合，这样当定子套筒2套设在转子套筒4上时，定子轴承安装槽15和转子轴承安装槽19可以共同形成一个环形安装空间。
作为一种选择，第一轴承7安装在定子轴承安装槽15和转子轴承安装槽19可以共同形成一个环形安装空间内。通过第一轴承7，转子套筒4可以围绕定子套筒2转动。作为一种选择，第一轴承7可以为超薄轴承。
作为一种选择，凸轴9设置在转子套筒4的底部外壁上。当转子套筒4套设在定子套筒2上后，支撑架103固定在壳体1的开口位置，那么转子套筒4上的凸轴9的位置正好与支撑架103上的支撑孔104的位置相对应，并且凸轴伸入到支撑孔104内部。
第二轴承8设置在支撑孔104和凸轴9之间。第二轴承8使得凸轴9可以在支撑孔104内转动。作为一种选择，凸轴9的轴线与转子套筒4的轴线相重合，以利于转子套筒的转动。
通过上述设置，可以将转子套筒和定子套筒完全固定在壳体1的内部，并且转子套筒4可以围绕定子套筒自由转动。
作为一种选择，如图7和图8所示，电机定子3可包括定子固定座12、定子支撑板13和弧形板14。定子固定座12可以为环形结构，也可以为柱体结构。例如，在该实施例中，定子固定座12采用环形结构。在定子固定座12的外周侧壁上，均匀分散设置有多个定子支撑板13。定子支撑板13的一个侧边固定在定子固定座12上，另一侧边与弧形板14相固定。多个弧形板14围成一个环形，并且相邻两个弧形板之间设置有凹槽。
作为一种选择，电机定子3的外径与定子套筒2的内壁相匹配。定子套筒2的内壁上设置有多个凸棱22。凸棱22与电机定子上弧形板之间的凹槽一一对应。这样当将电 机定子3安装在定子套筒2时，凸棱22和凹槽配合，可以避免电机定子3与定子套筒2之间产生相对移动，提高电机定子的稳固性。
作为一种选择，如图1所示，该水下推进器还可以包括第一密封件10。
第一密封件10与安装座的内壁相固定。第一密封件10的位置位于定子套筒2与安装座102的连接处。由于第一密封件10与安装座102的内壁之间相密封，所以使得定子套筒内的空间完全密封，进而位于定子套筒内的电机定子可以完全与水隔绝。
作为一种选择，该水下推进器还可以包括电路板21、线缆(图中未示出)和第二密封件20。
电路板21位于安装座102的内部空腔中。电路板21对电机定子提供电源以及对流经电机定子的电流参数进行控制。
线缆将电路板和电机定子相连接。线缆的一端与电路板的输出端相连接，另一端穿过第一密封件与电机定子相连接。线缆穿过第一密封件的位置被密封，从而保证电机定子的密闭性。
第二密封件20设置在安装座上远离定子套筒2的一端开口位置。第二密封件20将安装座102的内部空腔密封，使得位于安装座102内的电路板和线缆均与水隔绝。
作为一种选择，该水下推进器还可以包括端盖11。
端盖11为两个同心圆环。端盖11的两个同心圆环之间通过多个支撑杆相连接。端盖11固定在筒体上远离支撑架的一端的开口位置。端盖11的作用是对导流通道的开口进行拦截，多个支撑杆将导流通道分隔，避免人手或其它异物直接进入到导流通道内，进而导致螺旋桨出现故障。
作为一种选择，支撑架103和端盖11均可以采用螺纹的方式固定在筒体的两个开口位置，以便于拆卸。
作为一种选择，该水下推进器还可以包括第一导流罩16和第二导流罩17。第一导流罩16设置在支撑架上，并且导流罩位于壳体外部。第二导流罩17固定在端盖11上，并且第二导流罩17位于壳体的外部。这样可以减小水阻力。
本申请一个实施例还提供一种潜水器，该潜水器可以包括前述任意实施例中所描述的水下推进器。根据潜水器的设计不同，在潜水器中，可以安装一个或多个上述的水下推进器。
需要说明的是，在本文中，诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅是本申请的具体实施方式，使本领域技术人员能够理解或实现本申请。对这些实施例的多种修改对本领域的技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下，在其它实施例中实现。因此，本申请将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (12)

  1. 一种水下推进器，其中，包括：
    壳体，为两端开口的筒状结构；
    定子套筒，为一端开口的筒状结构，所述定子套筒悬置在所述壳体的内部空腔中，所述定子套筒的外侧壁与所述壳体的内侧壁之间设置有间隔；
    电机定子，固定在所述定子套筒的内部；
    转子套筒，为一端开口的筒状结构，所述转子套筒套设在所述定子套筒上，所述转子套筒的内侧壁与所述定子套筒的外侧壁之间设置有间隙，所述转子套筒与所述定子套筒转动连接，所述转子套筒的底部与所述壳体转动连接；
    电机转子，固定在所述转子套筒的内侧壁上；以及
    螺旋桨，固定在所述转子套筒的外侧壁上，且所述螺旋桨的最大直径小于所述壳体的内径。
  2. 根据权利要求1所述的水下推进器，其中，所述转子套筒的内侧壁与所述定子套筒的外侧壁之间设置有第一轴承。
  3. 根据权利要求1所述的水下推进器，其中，所述壳体包括：
    筒体，为两端开口的筒状结构；所述筒体的轴线与所述壳体的轴线相重合；
    安装座，为环形结构，所述安装座的环形结构外壁通过多个支撑件与所述筒体的内壁相固定，所述环形结构的轴线与所述筒体的轴线相重合；
    支撑架，为两个同心圆环，且所述两个同心圆环之间通过多个支撑杆相连接，所述支撑架固定在所述筒体的一端的开口位置，所述支撑架上设置有支撑孔，所述支撑孔的轴线与所述筒体的轴线相重合。
  4. 根据权利要求3所述的水下推进器，其中，所述定子套筒的开口与所述安装座的端面密封固定；
    所述转子套筒的开口方向与所述定子套筒的开口方向一致，且所述转子套筒的轴线与所述定子套筒的轴线相重合。
  5. 根据权利要求3所述的水下推进器，其中，所述水下推进器还包括：
    凸轴，设置在所述转子套筒的底部外壁上，且所述凸轴的轴线与所述转子套筒的轴线相重合；
    第二轴承，所述第二轴承设置在所述支撑孔内，且所述凸轴通过所述第二轴承可转动设 置在所述支撑架上的支撑孔内。
  6. 根据权利要求1所述的水下推进器，其中，所述水下推进器还包括：
    第一密封件，所述第一密封件密封固定在所述安装座的内壁上，将所述定子套筒之间的空间密封。
  7. 根据权利要求6所述的水下推进器，其中，所述水下推进器还包括：
    电路板，位于所述安装座的内部空腔中；
    线缆，一端与电路板连接，另一端穿过所述第一密封件与所述电机定子相连接；其中，所述线缆与所述第一密封件之间的空间被密封
    第二密封件，位于所述安装座上远离所述定子套筒的一端开口位置，用于将所述安装座的内部空腔密封。
  8. 根据权利要求3所述的水下推进器，其中，所述水下推进器还包括：
    端盖，为两个同心圆环，且所述端盖的两个同心圆环之间通过多个支撑杆相连接，所述端盖固定在所述筒体上远离所述支撑架的一端的开口位置。
  9. 根据权利要求8所述的水下推进器，其中，所述支撑架和所述端盖均通过螺纹连接的方式固定在所述筒体上。
  10. 根据权利要求1所述的水下推进器，其中，所述定子套筒的内壁上设置有多个凸棱；
    所述电机定子外径与所述定子套筒的内壁相匹配，且所述电机定子的外壁上设置有与所述凸棱相配合的多个凹槽，用于将所述电机定子固定在所述定子套筒内。
  11. 根据权利要求1所述的水下推进器，其中，所述螺旋桨的螺距为100mm～135mm。
  12. 一种潜水器，其中，包括权利要求1-11中任意一项种所述的水下推进器。
PCT/CN2018/083404 2017-05-05 2018-04-17 水下推进器以及潜水器 Ceased WO2018201890A1 (zh)

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