Tool clamp for maintaining yaw speed reducer

By designing a tooling fixture for yaw reducer maintenance, using a combination of cylinder and side clamps to hold the yaw reducer with reinforcing ribs, and adjusting the height via a drive motor, the problem of swaying and collision when the yaw reducer is lifted out is solved, improving maintenance safety and convenience.

CN223659754UActive Publication Date: 2025-12-12NANJING QUANFU NEW ENERGY CO LTD
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Patent Information

Application Number
CN202423165991.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-12
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the existing technology, the yaw reducer lacks a fixed clamping structure when it is lifted out, which leads to the risk of shaking and collision, and poses a safety hazard.

Method used

Design a tooling fixture for yaw reducer maintenance. It uses a combination of cylinder and side clamping plate to clamp the reinforcing ribs of the yaw reducer, and provides stable support with a fixed base, connecting rod and fixed plate. The height of the yaw reducer is adjusted by driving the threaded rod through a drive motor.

Benefits of technology

It achieves stable clamping and height adjustment of the yaw reducer, reduces the risk of shaking and collision, and improves the safety and convenience of the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a work fixture for maintaining a yaw speed reducer, which is applied to the field of fixtures and comprises a support, a driving motor is mounted at the top of the support, a threaded rod is fixedly mounted at the output end of the driving motor through a coupler, and a fixing plate is in threaded connection with the surface of the threaded rod. By arranging the first air cylinder, the second air cylinder, the first side clamping plate and the second side clamping plate, the top position of a reinforcing rib of the yaw speed reducer can be clamped, and clamping and fixing of the yaw speed reducer are achieved; a fixed seat, a connecting rod and a fixed plate are matched for use, so that stable support can be provided for the side clamping plate I and the side clamping plate II, and the yaw speed reducer clamped between the side clamping plate I and the side clamping plate II is ensured to shake; and under the action that the driving motor drives the threaded rod to rotate clockwise and anticlockwise, the threaded rod can drive the fixing plate to reciprocate up and down, so that the yaw speed reducer can be located at different heights, and on-site maintenance by maintenance personnel is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, especially a tool fixture for yaw reducer maintenance. BACKGROUND

[0002] The yaw reducer is usually composed of a motor, a reducer and a steering system, automatically monitors the wind direction through an electric control system, and drives the steering device to adjust the angle according to the change of the wind direction, so as to realize the steering of the fan. The principle of the yaw reducer of the wind power is mainly to control the rotation of the gear by hydraulic transmission, and to convert the wind energy into electric energy through the reducer.

[0003] At present, when the yaw reducer is maintained, it needs to be lifted out by a crane. Since the crane does not have a fixed clamping structure for the yaw reducer, the crane uses a steel rope to connect a hook, the hook connects the yaw reducer, and the yaw reducer is easy to shake during lifting, which not only causes the yaw reducer to collide, but also is dangerous. In order to solve the above problems, we propose a tool fixture for yaw reducer maintenance. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a tool fixture for yaw reducer maintenance, which has the advantage of being able to fix and clamp the yaw reducer.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a tool fixture for yaw reducer maintenance, comprising a support, a driving motor is installed on the top of the support, a threaded rod is fixedly installed on the output end of the driving motor through a shaft coupling, a fixed plate is threadedly connected to the surface of the threaded rod, two connecting rods are fixedly connected to the bottom of the fixed plate, a fixed seat is fixedly connected to the bottom end of the connecting rod, a cylinder one and a cylinder two are fixedly connected inside the fixed seat, a side clamping plate one and a side clamping plate two are respectively arranged on the two sides of the fixed seat, the output end of the cylinder one is fixedly connected with the side clamping plate two, and the output end of the cylinder two is fixedly connected with the side clamping plate one; a clamping groove is formed on the opposite side of the side clamping plate one and the side clamping plate two.

[0006] By setting the cylinder one, the cylinder two, the side clamping plate one and the side clamping plate two, the top position of the reinforcing rib of the yaw reducer can be clamped, the yaw reducer can be clamped and fixed, and the side clamping plate one and the side clamping plate two can be stably supported by the use of the fixed seat, the connecting rod and the fixed plate, so as to ensure that the yaw reducer clamped between the side clamping plate one and the side clamping plate two does not shake. Under the action of the clockwise and counterclockwise driving of the threaded rod by the driving motor, the threaded rod can drive the fixed plate to reciprocate up and down, so that the yaw reducer can be at different heights, which is convenient for on-site maintenance of the maintenance personnel.

[0007] The utility model further sets up: the inside of fixed plate is connected with two guide rods, the top and bottom of guide rod are fixedly connected with the top and bottom of support inner chamber respectively.

[0008] Adopt above technical scheme, through the setting of guide rod, it is used to the linear guide of the upper and lower end of fixed plate, also is used to limit fixed plate to avoid the rotation of fixed plate with screw rod.

[0009] The utility model further sets up: the inside of side clamping plate one and side clamping plate two all is equipped with two guide holes, the guide hole of side clamping plate one inside is connected with pneumatic cylinder one sliding, the guide hole of side clamping plate two inside is connected with pneumatic cylinder two sliding.

[0010] Adopt above technical scheme, through the setting of guide hole, the guide hole of side clamping plate one inside is convenient for one end of pneumatic cylinder one to slide, and the guide hole of side clamping plate two inside is convenient for one end of pneumatic cylinder two to reciprocate.

[0011] The utility model further sets up: the top of support is fixedly connected with counterweight.

[0012] Adopt above technical scheme, through the setting of counterweight, it is used to increase the weight of support side, prevents the support from toppling over caused by the over -weight of yaw speed reducer.

[0013] The utility model further sets up: the bottom of support is installed with the positionable universal wheel, and the number of positionable universal wheel is at least four.

[0014] Adopt above technical scheme, through the setting of positionable universal wheel, it is convenient for support to remove.

[0015] The utility model further sets up: the bottom of screw rod is connected with support rotation through bearing, and the output end of driving motor is connected with support rotation through bearing.

[0016] Adopt above technical scheme, the use of bearing can limit the rotation of screw rod and the output end of driving motor in fixed position.

[0017] Summarized above, the utility model has following beneficial effect:

[0018] The utility model through setting up pneumatic cylinder one, pneumatic cylinder two, side clamping plate one and side clamping plate two can hold the reinforcing rib top position of yaw speed reducer, realizes the clamping of yaw speed reducer,

[0019] And cooperate with the use of fixed seat, connecting rod and fixed plate can provide stable support for side clamping plate one and side clamping plate two, ensure that the yaw speed reducer clamped between side clamping plate one and side clamping plate two shakes,

[0020] Under the action of driving motor driving screw rod clockwise and counterclockwise, the threaded rod can drive the fixed plate to reciprocate up and down, so that the yaw reducer can be at different heights, facilitating on-site maintenance of maintenance personnel. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structure perspective view of the utility model;

[0022] Figure 2 is the side view of the side clamping plate one and the yaw reducer of the utility model;

[0023] Figure 3 is the side view of the side clamping plate one and the yaw reducer of the utility model;

[0024] Figure 4 is the partial structure sectional view of the utility model support.

[0025] Reference signs: 1, support;2, driving motor;3, threaded rod;4, fixed plate;5, connecting rod;6, fixed seat;7, air cylinder one;8, air cylinder two;9, side clamping plate one;10, side clamping plate two;11, guide rod;12, guide hole;13, clamping groove;14, counterweight;15, positionable universal wheel. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings.

[0027] Example 1:

[0028] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model provides a yaw speed reducer maintenance tool fixture, including support 1, the top of support 1 is equipped with drive motor 2, the output of drive motor 2 is fixedly installed with threaded rod 3 through the shaft coupling, the surface of threaded rod 3 is connected with fixed plate 4, the bottom of fixed plate 4 is fixedly connected with two connecting rods 5, the bottom of connecting rod 5 is fixedly connected with fixed seat 6, the inside of fixed seat 6 is fixedly connected with cylinder one 7 and cylinder two 8, and the both sides of fixed seat 6 are equipped with side clamping plate one 9 and side clamping plate two 10 respectively, the output of cylinder one 7 is fixedly connected with side clamping plate two 10, and the output of cylinder two 8 is fixedly connected with side clamping plate one 9, one side of side clamping plate one 9 and side clamping plate two 10 is equipped with clamping groove 13, and the top position of the reinforcing rib of yaw speed reducer can be clamped through the setting of cylinder one 7, cylinder two 8, side clamping plate one 9 and side clamping plate two 10, the clamping and fixing of yaw speed reducer between side clamping plate one 9 and side clamping plate two 10 are realized, and the stable support of side clamping plate one 9 and side clamping plate two 10 can be provided by the use of fixed seat 6, connecting rod 5 and fixed plate 4, to ensure that yaw speed reducer is clamped between side clamping plate one 9 and side clamping plate two 10 and shakes, under the action that drive motor 2 drives the rotation of threaded rod 3 clockwise and counterclockwise, threaded rod 3 can drive fixed plate 4 to reciprocate up and down, so that yaw speed reducer can be at different heights, to facilitate on-site maintenance of maintenance personnel.

[0029] Further, the inside of fixed plate 4 is slidably connected with two guide rods 11, the top end and the bottom end of guide rod 11 are fixedly connected with the top and the bottom of the inner cavity of support 1 respectively, the up and down ends of fixed plate 4 are linearly guided through the setting of guide rod 11, and fixed plate 4 is also used for limiting to avoid the rotation of threaded rod 3.

[0030] Further, the inside of side clamping plate one 9 and side clamping plate two 10 is equipped with two guide holes 12, the guide hole 12 in the inside of side clamping plate one 9 is slidably connected with cylinder one 7, and the guide hole 12 in the inside of side clamping plate two 10 is slidably connected with cylinder two 8, the guide hole 12 in the inside of side clamping plate one 9 is used for the sliding of one end of cylinder one 7 through the setting of guide hole 12, and the guide hole 12 in the inside of side clamping plate two 10 is used for the reciprocation of one end of cylinder two 8.

[0031] Further, the top of support 1 is fixedly connected with a counterweight 14, the weight of the side of support 1 is increased through the setting of counterweight 14, to prevent the support 1 from toppling due to the excessive weight of yaw speed reducer.

[0032] Further, the bottom of support 1 is installed with a positionable universal wheel 15, the number of positionable universal wheel 15 is at least four, the movement of support 1 is facilitated through the setting of positionable universal wheel 15.

[0033] Further, the bottom end of the threaded rod 3 is rotatably connected with the support 1 through a bearing, and the output end of the driving motor 2 is rotatably connected with the support 1 through a bearing, and the use of the bearing can limit the rotation of the threaded rod 3 and the output end of the driving motor 2 at a fixed position.

[0034] Brief description of the use process:

[0035] During use, the yaw reducer and the wind power generation device are separated.

[0036] The side clamping plate one 9 and the side clamping plate two 10 are placed at the top end position of the yaw reducer reinforcing rib, are clamped to the reinforcing rib of the yaw reducer through the clamping groove 13, are started through the cylinder one 7 and the cylinder two 8, the output end of the cylinder one 7 pulls the side clamping plate two 10 to be close to the side clamping plate one 9, the output end of the cylinder two 8 pulls the side clamping plate one 9 to be close to the side clamping plate two 10, and the clamping groove 13 and the reinforcing rib of the yaw reducer are clamped to close the cylinder one 7 and the cylinder two 8, and clamping is not needed.

[0037] Then the output end of the driving motor 2 is controlled to rotate clockwise through the controller, the threaded rod 3 is driven to rotate through the driving motor 2, the threaded rod 3 drives the fixed plate 4 to move upwards (under the driving of the output end of the driving motor 2, the threaded rod 3 rotates counterclockwise, and the threaded rod 3 can drive the fixed plate 4 to descend); the fixed plate 4 moves downwards to drive the connecting rod 5, the fixed seat 6, the cylinder one 7, the cylinder two 8, the side clamping plate one 9 and the side clamping plate two 10 to move, after the top of the side clamping plate one 9 and the side clamping plate two 10 contacts the yaw reducer, the driving motor 2 stops working, and then the cylinder one 7 and the cylinder two 8 are started again to clamp the yaw reducer.

[0038] Then the driving motor 2 is started again, the threaded rod 3 continues to drive the fixed plate 4 to drive the connecting rod 5, the fixed seat 6, the cylinder one 7, the cylinder two 8, the side clamping plate one 9, the side clamping plate two 10 and the yaw reducer to ascend until the yaw reducer and the wind power generation device are completely separated.

[0039] Then the clamp is moved, the output end of the driving motor 2 is controlled to rotate clockwise or counterclockwise through the controller to adjust the height of the yaw reducer, so that the on-site maintenance of the maintenance personnel is facilitated.

[0040] It should be noted that the output end of the driving motor 2 is controlled to rotate clockwise or counterclockwise, which is prior art, and will not be described here.

[0041] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution 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 tooling fixture for yaw reducer repair, comprising a support (1), characterized in that: The top of the support (1) is provided with a driving motor (2), the output end of the driving motor (2) is fixedly provided with a threaded rod (3) through a shaft coupling, the surface of the threaded rod (3) is threadedly connected with a fixed plate (4), the bottom of the fixed plate (4) is fixedly connected with two connecting rods (5), the bottom end of the connecting rod (5) is fixedly connected with a fixed seat (6), the inside of the fixed seat (6) is fixedly connected with a cylinder one (7) and a cylinder two (8), the two sides of the fixed seat (6) are respectively provided with a side clamping plate one (9) and a side clamping plate two (10), the output end of the cylinder one (7) is fixedly connected with the side clamping plate two (10), the output end of the cylinder two (8) is fixedly connected with the side clamping plate one (9); the opposite sides of the side clamping plate one (9) and the side clamping plate two (10) are both provided with a clamping groove (13).

2. The yaw reducer maintenance tooling fixture of claim 1, wherein: The inside of the fixed plate (4) is slidably connected with two guide rods (11), the top end and the bottom end of the guide rod (11) are fixedly connected with the top and the bottom of the inner cavity of the support (1) respectively.

3. The yaw damper repair tooling fixture of Claim 1, wherein: The inside of the side clamping plate one (9) and the side clamping plate two (10) is both provided with two guide holes (12), the guide hole (12) in the inside of the side clamping plate one (9) is slidably connected with the cylinder one (7), the guide hole (12) in the inside of the side clamping plate two (10) is slidably connected with the cylinder two (8).

4. The yaw damper repair tooling fixture of Claim 1, wherein: The top of the support (1) is fixedly connected with a counterweight (14).

5. The yaw damper repair tooling fixture of Claim 1, wherein: The bottom of the support (1) is provided with a positionable universal wheel (15), the number of the positionable universal wheel (15) is at least four.

6. The yaw reducer repair tooling fixture of Claim 1, wherein: The bottom end of the threaded rod (3) is rotatably connected with the support (1) through a bearing, the output end of the driving motor (2) is rotatably connected with the support (1) through a bearing.