Hydro-generator unit maintenance device

By introducing support rods, motors and transmission mechanisms into the maintenance device of the water turbine generator, precise control of multiple guide vanes is achieved, and cumbersome maintenance problems in the prior art are solved and maintenance efficiency is improved.

CN222147354UActive Publication Date: 2024-12-10CHONGQING DATANG INT WULONG HYDROPOWER DEV
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Patent Information

Application Number
CN202323306315.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-05
Publication Date
2024-12-10
Estimated Expiration
2033-12-05

AI Technical Summary

Technical Problem

The existing water turbine generator maintenance device is difficult to control the angular velocity of the clamping fixed structure, resulting in cumbersome maintenance of multiple guide vanes and low efficiency.

Method used

A water-wheel generator set maintenance device including a support rod, a motor, a regulation device and a transmission mechanism is designed. The transmission mechanism is driven by the motor drive rod, so that the lock rod, the adjustment disk and the positioning rod are rotated, and the fixed block drives the guide vane to rotate. Achieve convenient maintenance of multiple guide vanes.

Benefits of technology

By precisely controlling the rotation speed of the guide vane, the operation of staff is simplified, the maintenance time is reduced, and the maintenance efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of generator maintenance equipment, and particularly relates to a hydro-generator unit maintenance device which comprises a supporting rod, a fixing seat is fixed to the middle of the supporting rod, a motor is fixed to the end, away from the supporting rod, of the fixing seat, an extension part is arranged at the top of the supporting rod, a fixing block is arranged below the extension part, and the motor is fixed to the fixing block. The fixing block is provided with two clamping plates facilitating clamping of the hydro-generator, and an adjusting device is arranged between the motor and the fixing block. Through the cooperation of the motor, the adjusting device, the transmission mechanism and other structures, the angular velocities of multiple rotation of the lock rod are equal, meanwhile, the lock rod drives the adjusting disc to rotate, the adjusting disc drives the positioning rod to rotate, the positioning rod drives the fixing block to rotate, and the fixing block drives the guide vane to rotate, so that people can conveniently control the rotation speed of the guide vane; and the guide vane maintenance device is easy to operate, the maintenance time is shortened, and the maintenance efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of generator maintenance equipment, and in particular relates to a maintenance device for a water turbine generator set. Background Art

[0002] A generator is a mechanical device that converts other forms of energy into electrical energy. It is driven by a turbine, steam turbine, diesel engine or other power machinery, and converts the energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits it to the generator, which then converts it into electrical energy. In order to ensure the normal operation of the engine, the generator generally needs to be inspected and maintained regularly. When repairing a hydro-turbine generator, a planned maintenance mode is usually adopted, that is, it is based on time and maintenance is carried out at the planned time.

[0003] In the Chinese patent with publication number CN218658971U, a turning device for generator maintenance is disclosed, which solves the problem that frequent position change during generator maintenance will greatly reduce the maintenance efficiency and increase the work intensity of the staff. The turning device comprises a base, the top of the base is symmetrically fixedly connected with two vertical plates, and the upper parts of the opposite sides of the two vertical plates are both equipped with a clamping and fixing structure, the upper part of one of the vertical plates is equipped with a first motor, and the output end of the first motor is connected to the clamping and fixing structure on one of the vertical plates, and the middle part of the top of the base is fixedly installed with a bottom frame, and the top of the bottom frame is equipped with a lifting and placing seat, which effectively clamps and fixes the generator and turns it over, so that it is convenient for workers to perform maintenance operations on the generator, thereby effectively improving the efficiency of generator maintenance and reducing the work intensity of workers; but generally, when repairing a hydro-turbine generator, it is necessary to detect multiple guide vanes one by one, but the above-mentioned turning device for generator maintenance is difficult to control the angular velocity of the clamping and fixing structure, so that it is not convenient for workers to repair multiple guide vanes in sequence, and it is more cumbersome to use.

[0004] In order to solve the above problems, a maintenance device for a hydro-generator set is proposed in the present application. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a maintenance device for a hydro-generator set, which is convenient for workers to perform maintenance on multiple guide vanes in sequence, reduces maintenance time, and improves maintenance efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The maintenance device of the hydro-generator unit includes:

[0008] A support rod, a fixing seat is fixed in the middle of the support rod, a motor is fixed to one end of the fixing seat away from the support rod, an extension portion is arranged on the top of the support rod, a fixing block is arranged below the extension portion, and two clamping plates are arranged on the fixing block for clamping the hydro-generator;

[0009] An adjusting device is arranged between the motor and the fixed block, and the adjusting device comprises a driving rod fixed on the output shaft of the motor, a transmission rod is arranged at one end of the driving rod away from the motor, a transmission mechanism is arranged at one end of the transmission rod away from the driving rod, and the transmission mechanism is connected to the fixed block.

[0010] As a preferred embodiment of the maintenance device of the hydro-turbine generator set of the utility model, the transmission mechanism includes a positioning rod rotatably mounted on the support rod, the bottom of the positioning rod is fixed to the middle part of the fixed block, and an adjusting disk is fixed to the outside of the positioning rod, a connecting plate is provided at the end of the adjusting rod away from the transmission rod, two rotatable locking rods are provided at both ends of the connecting plate, and a plurality of slots matching the locking rods are opened on the adjusting disk.

[0011] As a preferred embodiment of the maintenance device for the hydro-generator set of the utility model, both ends of the connecting plate are provided with rotating shafts, a locking rod is sleeved on the rotating shaft, a torsion spring is provided between the connecting plate and the locking rod, and the torsion spring is sleeved on the outside of the rotating shaft.

[0012] As a preferred embodiment of the maintenance device for the hydro-generator set of the utility model, transmission shafts are provided at both ends of the transmission rod, the transmission rod is hinged to the drive rod and the adjustment rod through the two transmission shafts, and the middle part of the adjustment rod is sleeved on the middle part of the positioning rod.

[0013] As a preferred embodiment of the maintenance device for the hydro-generator set of the utility model, a fan-shaped baffle is arranged on the outside of the adjusting disk, a handle is fixed in the middle of the baffle, and an end of the handle away from the baffle is sleeved on the lower half of the positioning rod.

[0014] As a preferred embodiment of the maintenance device for the hydro-generator set of the utility model, the outer wall of the baffle is provided with convex patterns, and a conical block is provided at one end of the locking rod away from the torsion spring, and the conical block contacts the side of the baffle with the convex patterns.

[0015] As a preferred embodiment of the maintenance device for the hydro-turbine generator set of the utility model, a rotatable bidirectional threaded rod is provided on the fixed block, and the middle part of the fixed block is recessed inward to form a slide groove compatible with the clamping plate, one end of the clamping plate is inserted in the slide groove, and a threaded hole compatible with the bidirectional threaded rod is opened on the clamping plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Through the coordination of the motor, the adjustment device and the transmission mechanism, the angular velocity of the multiple rotations of the lock rod is equal. At the same time, the lock rod drives the adjustment disk to rotate, the adjustment disk drives the positioning rod to rotate, the positioning rod drives the fixed block to rotate, and the fixed block drives the guide vane to rotate, so that it is convenient for people to control the rotation speed of the guide vane, and it is convenient for the staff to inspect and repair multiple guide vanes in sequence, which is simple to operate, reduces maintenance time and improves maintenance efficiency;

[0018] 2. By turning the handle, the handle rotates around the positioning rod, and the handle drives the baffle to rotate, so that the baffle contacts one of the locking rods, separates the locking rod from the slot of the adjusting disk, and separates the two locking rods and the adjusting disk through the baffle, which makes it convenient for people to adjust the rotation direction of the adjusting disk, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 The structural diagram of the middle regulating device;

[0022] Figure 3 For this utility model Figure 2 The structural diagram of the middle adjustment disk;

[0023] Figure 4 For this utility model Figure 1 Schematic diagram of the structure of the fixed block.

[0024] In the figure: 1. support rod; 2. motor; 3. adjustment device; 4. fixing block; 5. clamping plate; 6. bidirectional threaded rod; 301. drive rod; 302. transmission rod; 303. adjustment rod; 304. connecting plate; 305. locking rod; 306. adjustment disk; 307. baffle; 308. torsion spring; 309. positioning rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1 The maintenance device of the hydro-generator unit shown comprises:

[0027] A support rod 1, a fixing seat is fixed in the middle of the support rod 1, a motor 2 is fixed to the end of the fixing seat away from the support rod 1, an extension portion is arranged at the top of the support rod 1, a fixing block 4 is arranged below the extension portion, and two clamping plates 5 are arranged on the fixing block 4 for clamping the hydro-generator;

[0028] As can be seen from the above, when in use, the hydro-turbine generator is clamped and fixed between the two clamping plates 5 by the two clamping plates 5, and the hydro-turbine generator is repaired.

[0029] refer to Figure 1-Figure 4 As shown, an adjusting device 3 is provided between the motor 2 and the fixed block 4, and the adjusting device 3 includes a driving rod 301 fixed on the output shaft of the motor 2, a transmission rod 302 is provided at one end of the driving rod 301 away from the motor 2, and a transmission mechanism is provided at one end of the transmission rod 302 away from the driving rod 301, and the transmission mechanism is connected to the fixed block 4; transmission shafts are provided at both ends of the transmission rod 302, and the transmission rod 302 is hinged to the driving rod 301 and the adjusting rod 303 through two transmission shafts, and the middle part of the adjusting rod 303 is sleeved on the middle part of the positioning rod 309;

[0030] The transmission mechanism includes a positioning rod 309 rotatably mounted on the support rod 1, the bottom of the positioning rod 309 is fixed to the middle of the fixed block 4, and an adjusting disk 306 is fixed to the outside of the positioning rod 309, a connecting plate 304 is provided at one end of the adjusting rod 303 away from the transmission rod 302, two rotatable locking rods 305 are provided at both ends of the connecting plate 304, and a plurality of slots adapted to the locking rods 305 are provided on the adjusting disk 306; both ends of the connecting plate 304 are provided with a rotating shaft, the locking rod 305 is sleeved on the rotating shaft, a torsion spring 308 is provided between the connecting plate 304 and the locking rod 305, and the torsion spring 308 is sleeved on the outside of the rotating shaft;

[0031] A rotatable bidirectional threaded rod 6 is provided on the fixed block 4, and the middle part of the fixed block 4 is recessed inward to form a slide groove adapted to the clamping plate 5, one end of the clamping plate 5 is inserted into the slide groove, and a threaded hole adapted to the bidirectional threaded rod 6 is opened on the clamping plate 5.

[0032] By adopting the above technical solution:

[0033] When the guide vane is repaired, the output shaft of the motor 2 drives the driving rod 301 to rotate, the driving rod 301 drives the transmission rod 302 to rotate, the transmission rod 302 drives the adjusting rod 303 to rotate back and forth around the positioning rod 309, the positioning rod 309 drives the connecting plate 304 to rotate back and forth, the connecting plate 304 drives the locking rod 305 to move back and forth, so that the angular velocity of the locking rod 305 is equal for multiple rotations, and at the same time the locking rod 305 drives the adjusting disk 306 to rotate, the adjusting disk 306 drives the positioning rod 309 to rotate, the positioning rod 309 drives the fixing block 4 to rotate, and the fixing block 4 drives the guide vane to rotate, so that people can repair multiple guide vanes in sequence.

[0034] In addition, refer to Figure 1-Figure 4 As shown, a fan-shaped baffle 307 is provided on the outside of the adjustment disk 306, a handle is fixed in the middle of the baffle 307, and the end of the handle away from the baffle 307 is sleeved on the lower half of the positioning rod 309; the outer wall of the baffle 307 is provided with convex patterns, and a conical block is provided on the end of the locking rod 305 away from the torsion spring 308, and the conical block is in contact with the side of the baffle 307 with the convex patterns.

[0035] By adopting the above technical solution:

[0036] When in use, the handle is moved to rotate around the positioning rod 309, and the handle drives the baffle 307 to rotate, so that the baffle 307 contacts one of the locking rods 305, and separates the locking rod 305 from the slot of the adjusting disk 306. The two locking rods 305 and the adjusting disk 306 are separated by the baffle 307, which makes it convenient for people to adjust the rotation direction of the adjusting disk 306, thereby improving the practicality of the device.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A maintenance device for a hydro-generator unit, characterized in that: include: A support rod (1), a fixing seat is fixed in the middle of the support rod (1), a motor (2) is fixed to one end of the fixing seat away from the support rod (1), an extension portion is provided at the top of the support rod (1), a fixing block (4) is provided below the extension portion, and two clamping plates (5) are provided on the fixing block (4) for facilitating clamping of the hydro-generator; An adjusting device (3) is provided between the motor (2) and the fixed block (4), the adjusting device (3) comprising a driving rod (301) fixed on the output shaft of the motor (2), a transmission rod (302) being provided at one end of the driving rod (301) away from the motor (2), a transmission mechanism being provided at one end of the transmission rod (302) away from the driving rod (301), and the transmission mechanism being connected to the fixed block (4).

2. The maintenance device for a hydro-generator set according to claim 1 is characterized in that: The transmission mechanism comprises a positioning rod (309) rotatably mounted on the support rod (1), the bottom of the positioning rod (309) being fixed to the middle of the fixing block (4), and an adjusting disk (306) being fixed to the outside of the positioning rod (309), a connecting plate (304) being arranged at one end of the adjusting rod (303) away from the transmission rod (302), two rotatable locking rods (305) being arranged at both ends of the connecting plate (304), and a plurality of slots matching the locking rods (305) being provided on the adjusting disk (306).

3. The maintenance device for a hydro-generator set according to claim 2 is characterized in that: Both ends of the connecting plate (304) are provided with rotating shafts, the locking rod (305) is sleeved on the rotating shafts, and a torsion spring (308) is provided between the connecting plate (304) and the locking rod (305).

4. The maintenance device for a hydro-generator set according to claim 2 is characterized in that: Both ends of the transmission rod (302) are provided with transmission shafts, and the transmission rod (302) is hinged to the driving rod (301) and the adjusting rod (303) through the two transmission shafts, and the middle part of the adjusting rod (303) is sleeved on the middle part of the positioning rod (309).

5. The maintenance device for a hydro-generator set according to claim 3 is characterized in that: A fan-shaped baffle (307) is arranged outside the adjustment disk (306), a handle is fixed in the middle of the baffle (307), and one end of the handle away from the baffle (307) is sleeved on the lower half of the positioning rod (309).

6. The maintenance device for a hydro-generator set according to claim 5 is characterized in that: The outer wall of the baffle (307) is provided with convex patterns, and a conical block is provided at one end of the locking rod (305) away from the torsion spring (308), and the conical block is in contact with the side of the baffle (307) with the convex patterns.

7. The maintenance device for a hydro-generator set according to claim 1 is characterized in that: The fixing block (4) is provided with a rotatable bidirectional threaded rod (6), and the middle part of the fixing block (4) is recessed inward to form a slide groove matched with the clamping plate (5), one end of the clamping plate (5) is inserted into the slide groove, and the clamping plate (5) is provided with a threaded hole matched with the bidirectional threaded rod (6).