Lifting tool for arc extinguish chamber of electric brake switch of generator

By designing the lifting workpiece of the arc-extinguishing chamber of the generator electrical brake switch, the problem of difficulty in disassembling and lifting the arc-extinguishing chamber during the maintenance process is solved, efficient and safe lifting and maintenance are achieved, and the maintenance efficiency and safety of the arc-extinguishing chamber are improved.

CN222757783UActive Publication Date: 2025-04-15CHINA YANGTZE POWER
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Patent Information

Application Number
CN202421585683.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-15
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

During the maintenance process, the arc extinguishing room of the generator electrical brake switch is difficult to effectively disassemble and hoist due to the special installation location and limited space, and the weight is heavy, and traditional manual handling poses safety risks.

Method used

A generator electrical brake switch arc-extinguishing chamber lifting tool is designed, including multiple symmetrically arranged columns, tracks, slide rails, lifting columns, driving tracks, hoisting hoists and hooks. The lateral movement and lifting of the arc-extinguishing chamber are achieved through the slide rail trolley and trolley power device.

Benefits of technology

The arc extinguishing room is effectively lifted in a narrow working space, which improves maintenance efficiency, ensures the safety of maintenance operations, and enhances the stability and safety of the lifting workpiece by fixing foot boards and strengthening corner boards.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222757783U_ABST
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Abstract

The utility model provides a hoisting tool for an electric brake switch arc extinguish chamber of a generator, which comprises a plurality of groups of symmetrically arranged upright posts, a track fixed at the tops of the plurality of upright posts positioned on the same side, a sliding rail trolley supported at the top of the track in a rolling manner, and a lifting upright post mounted at the top of the sliding rail trolley through a limiting plate, travelling crane rails are fixed to the tops of the lifting stand columns on the two sides, travelling cranes are slidably installed on the travelling crane rails through pulleys, hoisting hoists are fixedly installed at the bottoms of the travelling cranes, and lifting hooks are installed at the tail ends of chains of the hoisting hoists. The hoisting tool can be used for effectively hoisting the arc extinguish chamber in the maintenance process of the electric brake switch of the generator, so that the arc extinguish chamber can be hoisted in a narrow working space, the maintenance efficiency of the arc extinguish chamber is improved, and meanwhile, the safety of the maintenance operation is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of repair of an electrical brake switch of a generator, in particular to a hoisting tool for an arc extinguishing chamber of an electrical brake switch of a generator. Background Art

[0002] The arc extinguishing chamber is an important part of the generator electrical brake switch. During the maintenance of the generator electrical brake switch, the power plant needs to dismantle the arc extinguishing chamber. Due to the relatively special installation position of the arc extinguishing chamber and limited operating space during disassembly, it is not convenient to dismantle and lift it out. In addition, the arc extinguishing chamber is of high importance and heavy weight. The traditional manual handling and removal operation method is inconvenient to operate and there are great safety hazards. Utility Model Content

[0003] The purpose of the utility model is to provide a lifting tool for the arc extinguishing chamber of the generator electrical brake switch, which can effectively lift the arc extinguishing chamber during the maintenance of the generator electrical brake switch, thereby realizing the lifting of the arc extinguishing chamber in a narrow working space, improving the maintenance efficiency of the arc extinguishing chamber, and ensuring the safety of the maintenance operation.

[0004] In order to realize the above-mentioned technical features, the purpose of the utility model is achieved as follows: the lifting tooling of the arc extinguishing chamber of the generator electrical brake switch comprises a plurality of symmetrically arranged columns, tracks are fixed on the top of the plurality of columns on the same side, a slide trolley is rollingly supported on the top of the track, a lifting column is installed on the top of the slide trolley through a limit plate, a crane track is fixed on the top of the lifting columns on both sides, a crane is installed on the crane track through a pulley sliding, a lifting hoist is fixedly installed on the bottom of the crane, and a hook is installed at the end of the chain of the lifting hoist.

[0005] A fixed foot plate is arranged at the bottom end of the column, and the fixed foot plate is fixedly connected to the installation foundation through anchor bolts.

[0006] The track and the vehicle track are respectively cut from I-beams.

[0007] A first caster is fixedly mounted at one end of the bottom of the slide rail trolley, and the first caster is rollingly supported on the top of the track. A trolley power device for providing walking is mounted at the other end of the bottom of the slide rail trolley.

[0008] The trolley power device comprises a main wheel mounting plate fixed at the bottom end of the slide rail trolley, a driving wheel frame is mounted at the bottom of the main wheel mounting plate, a driving wheel is mounted at the bottom of the driving wheel frame, and a main shaft of the driving wheel is connected to the output shaft of the motor.

[0009] Two groups of symmetrically arranged limit plates are fixedly installed on the top of the slide rail trolley by bolts. The lower part of the lifting column is processed with multiple groups of pin holes. Pins penetrate the inside of the pin holes, and the pins cooperate with the through holes on the limit plates at the same time.

[0010] A reinforcing angle plate is fixed between the lifting column and the vehicle track.

[0011] A lifting ring is fixed at the middle part of the top end of the driving track.

[0012] The rails are fixedly connected via connecting plates.

[0013] The columns on the same side are connected by cross-arranged first diagonal braces, and the columns on both sides of the ends are connected by cross-arranged second diagonal braces. The first diagonal braces and the second diagonal braces are fixedly connected to the columns through ear plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. The lifting tool of the utility model can effectively lift the arc extinguishing chamber during the maintenance of the generator electrical brake switch, thereby realizing the lifting of the arc extinguishing chamber in a narrow working space, improving the maintenance efficiency of the arc extinguishing chamber and ensuring the safety of the maintenance operation.

[0016] 2. The above-mentioned fixed foot plate ensures the reliability of fixation of the entire lifting tooling.

[0017] 3. The above-mentioned slide rail trolley ensures smooth sliding on the top of the track, thereby driving the entire arc extinguishing chamber to move horizontally along the track to achieve the transportation of the arc extinguishing chamber.

[0018] 4. The above-mentioned trolley power device can be used to provide moving power for the slide rail trolley, thereby realizing the movement of the slide rail trolley along the track.

[0019] 5. Through the cooperation between the above-mentioned pin hole and the pin, the installation height of the lifting column can be adjusted, thereby adapting well to the lifting requirements of different heights and enhancing the safety and adaptability of the lifting operation.

[0020] 6. The above-mentioned reinforced angle plate enhances the strength and stability of the connection structure between the lifting column and the vehicle track. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural diagram of the utility model from the first perspective.

[0022] Figure 2 This is a three-dimensional structural diagram of the utility model from the second viewing angle.

[0023] Figure 3 It is a side view of the utility model.

[0024] In the figure: fixed foot plate 1, column 2, ear plate 3, second diagonal support rod 4, track 5, first diagonal support rod 6, first caster 7, slide trolley 8, trolley power device 9, pin hole 10, pin 11, limit plate 12, lifting column 13, reinforcing angle plate 14, traveling track 15, traveling crane 16, pulley 17, lifting hoist 18, chain 19, hook 20, arc extinguishing chamber 21, connecting plate 22, main wheel mounting plate 23, driving wheel frame 24, motor 25, driving wheel 26, lifting ring 27. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings 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.

[0026] See also Figure 1-3 The generator electrical brake switch arc extinguishing chamber lifting tool comprises a plurality of columns 2 arranged symmetrically, a track 5 is fixed on the top of the plurality of columns 2 on the same side, a slide trolley 8 is rollingly supported on the top of the track 5, a lifting column 13 is installed on the top of the slide trolley 8 through a limit plate 12, a traveling track 15 is fixed on the top of the lifting column 13 on both sides, a traveling crane 16 is slidingly installed on the traveling crane track 15 through a pulley 17, a lifting hoist 18 is fixedly installed on the bottom of the traveling crane 16, and a hook 20 is installed at the end of the chain 19 of the lifting hoist 18. The above-mentioned lifting tool can effectively lift the arc extinguishing chamber during the maintenance of the generator electrical brake switch, thereby realizing the lifting of the arc extinguishing chamber in a narrow working space, improving the maintenance efficiency of the arc extinguishing chamber, and ensuring the safety of the maintenance operation. During specific use, the entire lifting tooling is installed on the installation basis of the generator electrical brake switch, and then the chain 19 of the lifting hoist 18 is lowered, and the hook 20 at the bottom of the chain 19 is connected to the arc extinguishing chamber 21, and the lifting hoist 18 is started. The arc extinguishing chamber 21 is lifted by the lifting hoist 18. After it is lifted to a predetermined height, the slide trolley 8 is started, and the entire arc extinguishing chamber 21 is driven by the slide trolley 8 to be transported horizontally along the track 5. After being transported to the right place, the arc extinguishing chamber 21 is lowered.

[0027] Furthermore, a fixed foot plate 1 is provided at the bottom end of the column 2, and the fixed foot plate 1 is fixedly connected to the installation foundation through anchor bolts. The reliability of fixing the entire lifting tool is ensured by the above-mentioned fixed foot plate 1. The reliability of fixing the fixed foot plate 1 is enhanced by the anchor bolts.

[0028] Furthermore, the track 5 and the vehicle track 15 are both cut from I-beams, thereby simplifying the structure and reducing the cost.

[0029] Furthermore, a first caster 7 is fixedly mounted at one end of the bottom of the slide trolley 8, and the first caster 7 is rollingly supported on the top of the track 5. A trolley power device 9 for providing walking is installed at the other end of the bottom of the slide trolley 8. The slide trolley 8 is ensured to slide smoothly on the top of the track 5, thereby driving the entire arc extinguishing chamber 21 to move laterally along the track 5, so as to realize the transportation of the arc extinguishing chamber 21.

[0030] Furthermore, the trolley power device 9 includes a main wheel mounting plate 23 fixed to the bottom end of the slide rail trolley 8, a driving wheel frame 24 is mounted at the bottom of the main wheel mounting plate 23, a driving wheel 26 is mounted at the bottom of the driving wheel frame 24, and the main shaft of the driving wheel 26 is connected to the output shaft of the motor 25. The above-mentioned trolley power device 9 can be used to provide the moving power of the slide rail trolley 8, thereby realizing the movement of the slide rail trolley 8 along the track 5. During the working process, the driving wheel 26 is driven by the motor 25, and the driving wheel 26 cooperates with the track 5, thereby driving the entire slide rail trolley 8 along the track 5, thereby realizing the lateral movement of the arc extinguishing chamber 21.

[0031] Furthermore, two groups of symmetrically arranged limit plates 12 are fixedly installed on the top of the slide rail trolley 8 by bolts, and multiple groups of pin holes 10 are processed on the lower part of the lifting column 13. The pin holes 10 are penetrated by pins 11, and the pins 11 are matched with the through holes on the limit plates 12. Through the cooperation between the above-mentioned pin holes 10 and the pins 11, the installation height of the lifting column 13 can be adjusted, thereby well adapting to the hoisting requirements of different heights, and enhancing the safety and adaptability of the hoisting operation. In the specific adjustment process, the height adjustment of the lifting column 13 is achieved by adjusting the matching position between the pin holes 10 and the pins 11.

[0032] Furthermore, a reinforcing angle plate 14 is fixed between the lifting column 13 and the vehicle track 15. The reinforcing angle plate 14 enhances the strength and stability of the connection structure between the lifting column 13 and the vehicle track 15.

[0033] Further, a lifting ring 27 is fixed to the middle part of the top of the driving track 15. The lifting ring 27 facilitates the subsequent lifting and movement of the entire top slide trolley 8, thereby facilitating the installation of the slide trolley 8.

[0034] Furthermore, the rails 5 are fixedly connected to each other via a connecting plate 22. The connecting plate 22 can be used to connect adjacent rails 5, thereby meeting the transportation requirements of different lengths.

[0035] Furthermore, the columns 2 on the same side are connected by a cross-arranged first diagonal brace 6, and the columns 2 on both sides of the end are connected by a cross-arranged second diagonal brace 4, and the first diagonal brace 6 and the second diagonal brace 4 are fixedly connected to the column 2 through the ear plate 3. The structural strength and stability of the entire column 2 are enhanced by the first diagonal brace 6 and the second diagonal brace 4.

[0036] Working process and principle of this utility model:

[0037] When the arc extinguishing chamber needs to be disassembled, first, the column 2 is arranged and installed on the installation basis of the generator electrical brake switch, and the corresponding track 5 is arranged according to the installation position of the arc extinguishing chamber 21, and then the slide rail trolley 8 is arranged and installed on the top of the track 5. The operator disassembles the arc extinguishing chamber. After the disassembly is completed, the chain 19 of the lifting hoist 18 is lowered, and the hook 20 at the bottom of the chain 19 is connected to the arc extinguishing chamber 21, and the lifting hoist 18 is started. The arc extinguishing chamber 21 is lifted by the lifting hoist 18. After it is lifted to a predetermined height, the trolley power device 9 of the slide rail trolley 8 is started, and the driving wheel 26 is driven by the motor 25. The driving wheel 26 cooperates with the track 5 to drive the entire slide rail trolley 8 along the track 5, thereby realizing the lateral movement of the arc extinguishing chamber 21. After the transportation is in place, the arc extinguishing chamber 21 is lowered to complete the lifting and transportation of the arc extinguishing chamber 21.

Claims

1. The lifting tool for the arc extinguishing chamber of the generator electrical brake switch is characterized by: The invention comprises a plurality of columns (2) arranged symmetrically, a track (5) being fixed on the top of the plurality of columns (2) on the same side, a slide rail trolley (8) being rollingly supported on the top of the track (5), a lifting column (13) being installed on the top of the slide rail trolley (8) via a limit plate (12), a traveling track (15) being fixed on the top of the lifting columns (13) on both sides, a traveling crane (16) being slidably installed on the traveling crane track (15) via a pulley (17), a lifting hoist (18) being fixedly installed on the bottom of the traveling crane (16), and a lifting hook (20) being installed at the end of a chain (19) of the lifting hoist (18).

2. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: A fixed foot plate (1) is provided at the bottom end of the column (2), and the fixed foot plate (1) is fixedly connected to the installation foundation via anchor bolts.

3. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: The track (5) and the vehicle track (15) are respectively formed by cutting I-beams.

4. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: A first caster (7) is fixedly mounted on one end of the bottom of the slide rail trolley (8), and the first caster (7) is rollingly supported on the top of the track (5). A trolley power device (9) for providing walking is mounted on the other end of the bottom of the slide rail trolley (8).

5. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 4, characterized in that: The trolley power device (9) comprises a main wheel mounting plate (23) fixed to the bottom end of the slide rail trolley (8), a driving wheel frame (24) is mounted at the bottom of the main wheel mounting plate (23), a driving wheel (26) is mounted at the bottom of the driving wheel frame (24), and a main shaft of the driving wheel (26) is connected to an output shaft of a motor (25).

6. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: Two groups of symmetrically arranged limit plates (12) are fixedly mounted on the top of the slide rail trolley (8) by means of bolts. A plurality of groups of pin holes (10) are processed on the lower part of the lifting column (13). Pins (11) penetrate the interior of the pin holes (10). The pins (11) are matched with through holes on the limit plates (12).

7. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: A reinforcing angle plate (14) is fixed between the lifting column (13) and the vehicle track (15).

8. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: A lifting ring (27) is fixed to the middle portion of the top end of the driving track (15).

9. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: The rails (5) are fixedly connected to each other via a connecting plate (22).

10. The generator electrical brake switch arc extinguishing chamber lifting tool according to claim 1, characterized in that: The columns (2) located on the same side are connected via cross-arranged first diagonal braces (6), the columns (2) located on both sides of the end are connected via cross-arranged second diagonal braces (4), and the first diagonal braces (6) and the second diagonal braces (4) are fixedly connected to the columns (2) via ear plates (3).