Lifting device for fault maintenance of yaw speed reducer

By introducing a motor-driven shaft and gear system into the reducer maintenance and lifting device, the device can be easily moved and rotated, solving the problem of inconvenient movement and rotation in the existing technology, and improving the flexibility and efficiency of maintenance.

CN223576037UActive Publication Date: 2025-11-21NANJING QUANFU NEW ENERGY CO LTD
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Patent Information

Application Number
CN202423236737.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-21
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing gearbox maintenance and lifting device is not convenient to move and rotate, which reduces flexibility and maintenance efficiency.

Method used

A device comprising a base, a rotating shaft, a bevel gear, a threaded cylinder, and a motor was designed. The motor drives the rotating shaft to drive the gear and the screw, thereby enabling the device to move and rotate.

Benefits of technology

It improves the flexibility and practicality of the device, simplifies the maintenance process, reduces workload, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223576037U_ABST
    Figure CN223576037U_ABST
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Abstract

The utility model discloses a lifting device for fault maintenance of a yaw speed reducer, which is applied to the field of speed reducers and comprises a base, a rotating shaft is rotatably sleeved between the inner walls of the base, a first bevel gear is fixedly sleeved on the surface of the rotating shaft, and a transmission shaft is meshed on the surface of the first bevel gear; a first motor rotates to enable a rotating shaft to drive a first bevel gear to rotate, the first bevel gear rotates to enable a transmission shaft to drive a threaded cylinder to rotate, a first screw drives a base plate to rise, and universal wheels support and move the device, so that the purpose of convenient movement can be achieved, and the flexibility and practicability of the device are improved; the rotating disc is rotated to enable the second screw to drive the toothed bar to move, the toothed bar moves to enable the rotating gear to drive the rotating rod to rotate, and the rotating rod rotates to enable the rotating disc to rotate, so that the rotating purpose can be achieved, the workload is reduced, and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of speed reducer, especially a yaw speed reducer fault maintenance lifting device. BACKGROUND

[0002] Through searching Chinese patent, the announcement number is: CN216038392U, a CST speed reducer maintenance lifting device, including bottom plate, protective cover and bearing plate, the both sides of bottom plate are connected fixedly installed mounting plate, the mounting plate on the other side of bottom plate is fixedly installed protective cover, the mounting plate on the inner side of protective cover is rotatably installed screw rod, the first gear is installed in the bottom of screw rod, the second gear that rotates with first gear is rotatably installed in the inner side of protective cover. The utility model discloses a CST speed reducer maintenance lifting device, which is convenient to move and has the rotating function.

[0003] In summary, the lifting device is not convenient to move, and the lifting mechanism is installed on the ground and fixedly connected with the ground. It is difficult to move according to the needs during use. If you want to use it in other places, you need to install a lifting device at the required position, which increases the workload and reduces the flexibility. It is not convenient to use and does not have a rotating function. The device can only repair one side of the speed reducer during use. If you want to repair the other side, you need to adjust the device to the other side or disassemble the speed reducer, which is very troublesome and increases the workload and reduces the efficiency of repair. In order to solve the above problems, we propose a yaw speed reducer fault maintenance lifting device. Utility model content

[0004] The utility model discloses a yaw speed reducer fault maintenance lifting device, which has the advantages of being convenient to move and having a rotating function.

[0005] The utility model discloses a above-mentioned technical purpose is through following technical scheme can be realized: a yaw speed reducer fault maintenance lifting device, including the base, the inner wall rotation sleeve connection of base has the pivot, the surface fixed sleeve of pivot has the first bevel gear, the surface of first bevel gear has the transmission shaft, the other end of transmission shaft has the second bevel gear and engages, the axle of second bevel gear fixed sleeve has the thread cylinder, and thread cylinder and the inner wall rotation sleeve connection of base, the inner wall screw connection of thread cylinder has the first screw rod, the bottom of first screw rod is bolted and has the backing pad, the top of first screw rod is bolted and has the fixed link, and fixed link and the inner wall sliding sleeve connection of base, and the bottom of fixed link is bolted with backing pad, one end of pivot is connected with first motor through the shaft coupling, and first motor and the surface of base are bolted, the bottom of base is bolted and has the universal wheel.

[0006] Adopt above-mentioned technical scheme, through the rotation of first motor and make the pivot drive first bevel gear rotation, first bevel gear rotation makes transmission shaft drive thread cylinder rotation, make first screw rod drive backing pad rise, make universal wheel support device, the mode of moving, can reach the purpose of convenient movement, improved the flexibility and practicality of device, convenient to use.

[0007] The utility model further sets up: the top of base is bolted with fixed frame, the top of fixed frame is provided with lifting mechanism, the inner wall sliding connection of fixed frame has the lifting plate, the inner wall rotation sleeve of lifting plate has the rotation link, the top of rotation link is bolted with the rotary disc, the surface of rotary disc is provided with fixed mechanism, the surface fixed sleeve of rotation link has the rotation gear, the surface engagement of rotation gear has the tooth rod, the inner wall screw connection of tooth rod has the second screw rod, and second screw rod and the inner wall rotation sleeve of lifting plate.

[0008] Adopt above-mentioned technical scheme, through the rotation of rotation disc and make second screw rod drive tooth rod move, tooth rod move make rotation gear drive rotation link rotation, rotation link rotation make rotary disc rotation's mode, can reach the purpose of rotation, reduced the work load, improved the efficiency of maintenance.

[0009] The utility model further sets up: lifting mechanism includes fixed shell, the top of fixed shell is bolted with fixed frame, the surface of fixed shell is bolted with second motor, the output of second motor extends to the inside of fixed shell and is connected with the rotation link through the shaft coupling, and the other end of rotation link is rotationally connected with the inner wall of fixed shell, the surface fixed sleeve of rotation link has the winding drum, the surface of winding drum is provided with the steel wire rope, and one end of steel wire rope is bolted with the top of lifting plate.

[0010] Adopt above-mentioned technical scheme, through setting up lifting mechanism, it is convenient to promote.

[0011] The utility model further sets up: the fixed mechanism includes fixed block, the fixed block is connected with the surface of carousel, the inner wall of fixed block is connected with third screw rod, one end of third screw rod is rotatably connected with the compression plate.

[0012] Adopt above technical scheme, through setting up fixed mechanism, to the reduction gear is fixed, guarantee stability.

[0013] The utility model further sets up: one end of second screw rod is connected with the rotary disc.

[0014] Adopt above technical scheme, through setting up rotary disc, it is convenient to rotate second screw rod, it is convenient to rotate.

[0015] The utility model further sets up: the surface of compression plate is bonded with rubber pad.

[0016] Adopt above technical scheme, through setting up rubber pad, prevent damaging reduction gear.

[0017] The utility model further sets up: the inner wall of base is connected with the supporting plate, and the surface of supporting plate and transmission shaft rotatable sleeve joint.

[0018] Adopt above technical scheme, through setting up supporting plate, to transmission shaft is supported and fixed, improves stability.

[0019] The utility model further sets up: the surface of base and fixed shell is connected with the protective housing, and first motor and second motor are located inside protective housing.

[0020] Adopt above technical scheme, through setting up protective housing, protects first motor and second motor.

[0021] Summarized above, the utility model has following beneficial effect:

[0022] 1. The utility model discloses a first motor rotates and makes the rotating shaft drive the first bevel gear rotation, and the first bevel gear rotation makes the transmission shaft drive the thread drum rotation, and makes the first screw rod drive the backing plate rise, and makes the universal wheel support the device, and moves in the mode, can reach the purpose of convenient movement, improves the flexibility and practicality of device, and is convenient to use;

[0023] 2. The utility model discloses a rotary rotary disc and makes the second screw rod drive the toothed rod movement, and the toothed rod movement makes the rotating gear drive the rotating rod rotation, and the rotating rod rotation makes the carousel rotation mode, can reach the purpose of rotation, reduces the work load, and improves the efficiency of maintenance. DRAWINGS

[0024] Figure 1 It is the utility model structure perspective drawing;

[0025] Figure 2 is a partial structure sectional view of the utility model;

[0026] Figure 3 is a partial structure side sectional view of the utility model;

[0027] Figure 4 is a structure top sectional view of the utility model;

[0028] Figure 5 is a partial structure top sectional view of the utility model.

[0029] The drawing reference: 1, base, 2, pivot, 3, first bevel gear, 4, transmission shaft, 5, second bevel gear, 6, threaded cylinder, 7, first screw, 8, backing plate, 9, fixed rod, 10, first motor, 11, universal wheel, 12, fixed frame, 13, lifting mechanism, 14, lifting plate, 15, rotating rod, 16, rotating disc, 17, fixing mechanism, 18, rotating gear, 19, rack, 20, second screw, 21, fixed shell, 22, second motor, 23, rotating rod, 24, winding drum, 25, steel wire rope, 26, fixed block, 27, third screw, 28, compression plate, 29, rotating disc, 30, rubber pad, 31, support plate, 32, protective shell. DETAILED DESCRIPTION

[0030] The utility model will be further explained in detail below in combination with the drawings.

[0031] Example 1:

[0032] Reference Figure 1 , Figure 3 And Figure 4 , a yaw speed reducer fault maintenance lifting device, including base 1, the inner wall between base 1 is rotatably sleeved with pivot 2, the surface of pivot 2 is fixedly sleeved with first bevel gear 3, first bevel gear 3 is engaged with transmission shaft 4, the other end of transmission shaft 4 is engaged with second bevel gear 5, the axle of second bevel gear 5 is fixedly sleeved with threaded cylinder 6, and threaded cylinder 6 is rotatably sleeved with the inner wall of base 1, the inner wall of threaded cylinder 6 is threadedly connected with first screw 7, the bottom of first screw 7 is bolted with backing plate 8, the top of first screw 7 is bolted with fixed rod 9, and fixed rod 9 is slidably sleeved with the inner wall of base 1, and the bottom of fixed rod 9 is bolted with backing plate 8, one end of pivot 2 is connected with first motor 10 through the shaft coupling, and first motor 10 is bolted with the surface of base 1, the bottom of base 1 is bolted with universal wheel 11, first motor 10 is rotated to make pivot 2 drive first bevel gear 3 to rotate, first bevel gear 3 is rotated to make transmission shaft 4 drive threaded cylinder 6 to rotate, make first screw 7 drive backing plate 8 to rise, make universal wheel 11 support the device, the mode of moving, can reach the purpose that is convenient for moving, improve the flexibility and practicality of the device, it is convenient to use.

[0033] With reference to Figure 3 and Figure 4 , the inner wall of the base 1 is bolted with a support plate 31, and the support plate 31 is rotationally sleeved with the surface of the transmission shaft 4. By arranging the support plate 31, the transmission shaft 4 is supported and fixed, and the stability is improved.

[0034] With reference to Figure 1 , Figure 2 and Figure 4 , the surface of the base 1 and the fixed shell 21 are bolted with a protective shell 32, and the first motor 10 and the second motor 22 are located inside the protective shell 32. By arranging the protective shell 32, the first motor 10 and the second motor 22 are protected.

[0035] Embodiment 2:

[0036] With reference to Figure 1 , Figure 2 and Figure 5 , the top of the base 1 is bolted with a fixed frame 12, the top of the fixed frame 12 is provided with a lifting mechanism 13, the inner wall of the fixed frame 12 is slidingly connected with a lifting plate 14, the inner wall of the lifting plate 14 is rotationally sleeved with a rotating rod 15, the top of the rotating rod 15 is bolted with a rotating disc 16, the surface of the rotating disc 16 is provided with a fixing mechanism 17, the surface of the rotating rod 15 is fixedly sleeved with a rotating gear 18, the surface of the rotating gear 18 is engaged with a toothed rod 19, the inner wall of the toothed rod 19 is threadedly connected with a second screw rod 20, and the second screw rod 20 is rotationally sleeved with the inner wall of the lifting plate 14. By rotating the rotating disc 29, the second screw rod 20 drives the toothed rod 19 to move, the toothed rod 19 moves to drive the rotating gear 18 to drive the rotating rod 15 to rotate, and the rotating rod 15 rotates to drive the rotating disc 16 to rotate. In this way, the rotating purpose can be achieved, the workload is reduced, and the maintenance efficiency is improved.

[0037] With reference to Figure 2 , the lifting mechanism 13 comprises a fixed shell 21, the fixed shell 21 is bolted with the top of the fixed frame 12, the surface of the fixed shell 21 is bolted with a second motor 22, the output end of the second motor 22 extends into the inside of the fixed shell 21 and is connected with a rotating rod 23 through a shaft coupling, and the other end of the rotating rod 23 is rotationally connected with the inner wall of the fixed shell 21. The surface of the rotating rod 23 is fixedly sleeved with a winding drum 24, the surface of the winding drum 24 is provided with a steel wire rope 25, and one end of the steel wire rope 25 is bolted with the top of the lifting plate 14. By arranging the lifting mechanism 13, the lifting is facilitated.

[0038] With reference to Figure 2 , the fixing mechanism 17 comprises a fixed block 26, the fixed block 26 is bolted with the surface of the rotating disc 16, the inner wall of the fixed block 26 is threadedly connected with a third screw rod 27, one end of the third screw rod 27 is rotationally connected with a pressing plate 28, and the fixing mechanism 17 is arranged to fix the speed reducer and ensure stability.

[0039] Reference Figure 1 And Figure 5 One end of the second screw rod 20 is bolted with a rotating disc 29, by setting the rotating disc 29, the second screw rod 20 is facilitated to rotate, and rotation is facilitated.

[0040] Reference Figure 2 The surface of the pressing plate 28 is bonded with a rubber pad 30, by setting the rubber pad 30, the reducer is prevented from being damaged.

[0041] Brief description of the use process: the first motor 10 rotates to drive the rotating shaft 2 to rotate, the rotating shaft 2 drives the first bevel gear 3 to rotate, the first bevel gear 3 drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the second bevel gear 5 to rotate, the second bevel gear 5 drives the threaded cylinder 6 to rotate, the threaded cylinder 6 drives the first screw rod 7 to move upwards, the first screw rod 7 drives the backing plate 8 to move upwards, the universal wheel 11 is in contact with the ground, the device is supported, then moved, after the movement is completed, the first motor 10 reverses to rotate, the screw rod moves downwards and drives the backing plate 8 to move downwards, the backing plate 8 moves downwards to support the device, the universal wheel 11 is separated from the ground, and the device is used, so that the purpose of convenient movement is achieved; the rotating disc 16 is rotated, the rotating disc 16 drives the second screw rod 20 to rotate, the second screw rod 20 drives the gear rod 19 to move, the gear rod 19 drives the rotating gear 18 to rotate, the rotating gear 18 drives the rotating rod 15 to rotate, the rotating rod 15 drives the rotating disc 16 to rotate, the back of the reducer is rotated to the front, so that the purpose of rotation function is achieved.

[0042] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A yaw brake failure service lifting device comprising a base (1), characterised in that, The inner wall of base (1) is rotatably sleeved with rotating shaft (2), the surface of rotating shaft (2) is fixedly sleeved with first bevel gear (3), the surface of first bevel gear (3) is engaged with transmission shaft (4), the other end of transmission shaft (4) is engaged with second bevel gear (5), the axial center of second bevel gear (5) is fixedly sleeved with threaded cylinder (6), threaded cylinder (6) is rotatably sleeved with the inner wall of base (1), the inner wall of threaded cylinder (6) is threadedly connected with first screw rod (7), the bottom of first screw rod (7) is bolted with backing plate (8), the top of first screw rod (7) is bolted with fixed rod (9), fixed rod (9) is slidably sleeved with the inner wall of base (1), the bottom of fixed rod (9) is bolted with backing plate (8), one end of rotating shaft (2) is connected with first motor (10) through a shaft coupling, first motor (10) is bolted with the surface of base (1), the bottom of base (1) is bolted with universal wheel (11).

2. A yaw reducer failure service lifting device according to claim 1, characterized in that The top of base (1) is bolted with fixed frame (12), the top of fixed frame (12) is provided with lifting mechanism (13), the inner wall of fixed frame (12) is slidably connected with lifting plate (14), the inner wall of lifting plate (14) is rotatably sleeved with rotating rod (15), the top of rotating rod (15) is bolted with rotating disc (16), the surface of rotating disc (16) is provided with fixing mechanism (17), the surface of rotating rod (15) is fixedly sleeved with rotating gear (18), the surface of rotating gear (18) is engaged with toothed rod (19), the inner wall of toothed rod (19) is threadedly connected with second screw rod (20), second screw rod (20) is rotatably sleeved with the inner wall of lifting plate (14).

3. A yaw reducer failure service lifting device according to claim 2, characterised in that, Lifting mechanism (13) comprises fixed shell (21), the top of fixed shell (21) is bolted with fixed frame (12), the surface of fixed shell (21) is bolted with second motor (22), the output end of second motor (22) extends to the inside of fixed shell (21) and is connected with rotating rod (23) through a shaft coupling, the other end of rotating rod (23) is rotatably connected with the inner wall of fixed shell (21), the surface of rotating rod (23) is fixedly sleeved with winding drum (24), the surface of winding drum (24) is provided with steel wire rope (25), one end of steel wire rope (25) is bolted with the top of lifting plate (14).

4. A yaw reducer failure service lifting device according to claim 2, characterized in that Fixing mechanism (17) comprises fixed block (26), the surface of fixed block (26) is bolted with rotating disc (16), the inner wall of fixed block (26) is threadedly connected with third screw rod (27), one end of third screw rod (27) is rotatably connected with pressing plate (28).

5. A yaw reducer failure service lifting device according to claim 2, characterized in that One end of second screw rod (20) is bolted with rotating disc (29).

6. A yaw reducer failure service lifting device according to claim 4, characterized in that The surface of pressing plate (28) is bonded with rubber pad (30).

7. A yaw reducer failure service lifting device according to claim 1, characterized in that The inner wall of base (1) is bolted with supporting plate (31), supporting plate (31) is rotatably sleeved with the surface of transmission shaft (4).

8. A yaw reducer failure service lifting device according to claim 3, characterized in that The surface of the base (1) and the fixing shell (21) are bolted with a protective shell (32), and the first motor (10) and the second motor (22) are located in the interior of the protective shell (32).

Citation Information

Patent Citations

  • Lifting device for maintenance of CST speed reducer

    CN216038392U