Box transformer substation low-voltage circuit breaker operating tool

By designing a box-changing low-voltage circuit breaker operating tool using the lever principle, the problems of manual closing in the prior art are solved, and efficient and safe circuit breaker closing operation is achieved.

CN222914703UActive Publication Date: 2025-05-27THREE GORGES GRP YUNNAN ENERGY INVESTMENT CO LTD
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Patent Information

Application Number
CN202421642423.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-05-27
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

The closing of the existing box-changing low-voltage circuit breaker requires manual operation, which is labor-intensive, low-efficiency, high labor intensity, and safety hazards.

Method used

A box-changing low-voltage circuit breaker operation tool is designed, using the lever principle to cooperate with the operating lever and the special-shaped support, and the rubber operating head is used to resist the circuit breaker handle to achieve the closing operation.

Benefits of technology

The time-saving and labor-saving closing of the box-to-lower low-voltage circuit breaker is achieved, which improves operating efficiency, reduces labor intensity, and avoids the safety hazards of direct contact with the circuit breaker by hand.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit breaker operating tools, aims to solve the problems of labor waste, low operating efficiency, high labor intensity of operators, high risk of manual operation, need of direct contact with a circuit breaker by hands and high potential safety hazard of manual closing in the prior art, and provides a box transformer substation low-voltage circuit breaker operating tool which comprises a base. One end, close to the base, of the steel pipe is vertically and fixedly connected to the top surface of the base; a special-shaped supporting piece is arranged at the top end of the steel pipe and movably installed at the top end of the steel pipe. An operating rod is movably installed in the special-shaped supporting piece, a rubber operating head is arranged at one end of the operating rod, and the rubber operating head is fixedly connected to one end of the operating rod. The beneficial effects of the utility model are that time and labor are saved, versatility is strong, operation efficiency is high, labor intensity of operators is small, hands do not need to directly contact the circuit breaker, and operation danger is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker operating tools, in particular to a box-type transformer low-voltage circuit breaker operating tool. Background Art

[0002] Box transformer (usually referred to as "box transformer") is a kind of power equipment, which integrates the traditional transformer into a box-type housing. This design has many advantages, including small size, light weight, low noise, low loss and high reliability, so it is widely used in residential areas, commercial centers, stations, airports, factories, mines, enterprises, hospitals, schools and other places.

[0003] At present, the closing of the circuit breaker on the low-voltage side of the box-type transformer requires manual operation. However, since the handle of the circuit breaker is short, manual closing is more laborious, resulting in low operating efficiency and increasing the labor intensity of the operator. In addition, manual operation has certain risks, and the hands directly contact the circuit breaker, which poses a safety hazard. Utility Model Content

[0004] The utility model aims to provide a box-type transformer low-voltage circuit breaker operating tool to solve the problems in the prior art of laborious manual closing, low operating efficiency, high labor intensity for operators, high risk of manual operation, need for direct hand contact with the circuit breaker and great safety hazards.

[0005] The embodiment of the utility model is achieved as follows:

[0006] The utility model embodiment provides a box-type transformer low-voltage circuit breaker operating tool, which includes a base;

[0007] A steel pipe is provided on the top of the base, and one end of the steel pipe close to the base is vertically fixedly connected to the top surface of the base;

[0008] A special-shaped support piece is provided at the top end of the steel pipe, and the special-shaped support piece is movably installed at the top end of the steel pipe;

[0009] An operating rod is movably installed inside the special-shaped support member, one end of the operating rod is provided with a rubber operating head, and the rubber operating head is fixedly connected to one end of the operating rod.

[0010] When in use, first, place the base on one side of the circuit breaker, then press down the end of the operating rod away from the rubber operating head. At this time, under the support of the special-shaped support member, the rubber operating head of the operating rod will be lifted upward and press against the handle of the circuit breaker. Continue to apply force to the end of the operating rod away from the rubber operating head until the rubber operating head pushes the circuit breaker handle in the closing direction, and finally, the circuit breaker on the low-voltage side of the box-type transformer is closed.

[0011] The low-voltage circuit breaker operating tool for a box-type transformer disclosed in the present embodiment cooperates with the above-mentioned special-shaped support member through the above-mentioned operating rod and adopts the lever principle for operation, so as to facilitate the closing of the circuit breaker on the low-voltage side of the box-type transformer, thereby making the low-voltage circuit breaker operating tool for a box-type transformer have the beneficial effects of saving time and labor, strong versatility, high operating efficiency, low labor intensity for operators, no need for direct hand contact with the circuit breaker and reduced operating risks.

[0012] Optionally, a rubber handle is provided at one end of the operating rod away from the rubber operating head, and the rubber handle is fixedly sleeved on the end of the operating rod away from the rubber operating head.

[0013] With such arrangement, the rubber handle has insulating properties, which can effectively prevent the operator from being electrocuted, and prevents the operator's hand from directly touching the circuit breaker, thereby reducing the danger of operation.

[0014] Optionally: the outer wall of the rubber handle has a plurality of anti-slip protrusions.

[0015] With such arrangement, the plurality of anti-skid protrusions can play an anti-skid role, so that the operator can firmly hold the operating rod.

[0016] Optionally: a movable groove is provided on one side of the operating rod, and the movable groove extends along the axial direction of the operating rod and penetrates the operating rod;

[0017] A support shaft is fixedly installed inside the above-mentioned special-shaped support member, and the above-mentioned movable groove is sleeved on the outer wall of the above-mentioned support shaft. The outer wall of the above-mentioned support shaft is slidably fitted with the inner wall of the above-mentioned movable groove.

[0018] With such arrangement, the cooperation between the movable groove and the support shaft is conducive to the operating rod realizing the lever principle. At the same time, the position of the support shaft in the movable groove can be adjusted according to the on-site conditions, thereby adjusting the length of the operating rod between the special-shaped support member and the rubber operating head, so that the rubber operating head can be against the handle of the circuit breaker.

[0019] Optionally: the movable groove is close to the rubber operating head.

[0020] With such arrangement, the above-mentioned special-shaped support member serving as a fulcrum will also be close to the above-mentioned rubber operating head. When the tool assists in closing the switch, such an arrangement is more labor-saving, convenient for the operator to operate, and improves work efficiency.

[0021] Optionally, the above-mentioned special-shaped support member is a U-shaped member, and symmetrical shaft holes are opened on the two wings of the above-mentioned special-shaped support member, and the above-mentioned support shaft is fixed on the above-mentioned shaft holes.

[0022] With such a setting, it is beneficial for the above-mentioned operating rod to implement the lever principle on the above-mentioned special-shaped support member, which not only saves more effort but also makes the tool more stable during operation.

[0023] Optionally: The above-mentioned operating rod is located between the two wings of the above-mentioned special-shaped support member.

[0024] With such a setting, it is beneficial for the above-mentioned operating rod to implement the lever principle on the above-mentioned special-shaped support member, and it has the beneficial effect of saving effort.

[0025] Optionally: The bottom surface of the above-mentioned base has an anti-slip pad.

[0026] With such a setting, the anti-slip pad can prevent the above-mentioned base from slipping, effectively improving the stability of the tool, enhancing the working efficiency of the worker's operation, and saving time.

[0027] Optionally: A telescopic screw is movably installed inside the above-mentioned steel pipe, and one end of the telescopic screw close to the above-mentioned special-shaped support member is fixedly connected to the above-mentioned special-shaped support member.

[0028] With such a connection, the structure of the tool is more stable and has higher strength, which is beneficial for height adjustment.

[0029] Optionally: A wing nut is provided at the top end of the above-mentioned steel pipe. The wing nut is rotatably connected to the top end of the above-mentioned steel pipe. One end of the telescopic screw close to the above-mentioned steel pipe can movably penetrate through the wing nut and be placed inside the above-mentioned steel pipe. The internal thread of the wing nut is screwed with the external thread of the telescopic screw.

[0030] With such a setting, by rotating the above-mentioned wing nut, the telescopic screw can be telescoped inside the above-mentioned steel pipe, so that the device can adjust its height, which is beneficial for adjusting the height of the tool according to the actual on-site situation, and then realizing the closing of the low-voltage side circuit breaker of the box-type substation. At the same time, the tool can be used on circuit breakers of different heights, making the device more versatile.

[0031] Based on the above description, an operating tool for a box-type substation low-voltage circuit breaker disclosed by the present utility model has the beneficial effects of saving time and effort, strong versatility, high operation efficiency, low labor intensity of operators, not requiring direct hand contact with the circuit breaker, and reducing the operation risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0033] Figure 1 The present invention is a schematic structural diagram of a low-voltage circuit breaker operating tool for a box-type transformer in an embodiment of the present invention.

[0034] Icon: 1-base, 2-steel pipe, 3-special-shaped support, 4-operating rod, 5-rubber operating head, 6-rubber handle, 7-movable slot, 8-support shaft, 9-shaft hole, 10-telescopic screw, 11-butterfly nut. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme 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 part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Example

[0038] See also Figure 1 , this embodiment provides a box-type transformer low-voltage circuit breaker operating tool, including a base 1;

[0039] A steel pipe 2 is provided on the top of the base 1, and one end of the steel pipe 2 close to the base 1 is vertically fixedly connected to the top surface of the base 1;

[0040] A special-shaped support member 3 is provided at the top of the steel pipe 2, and the special-shaped support member 3 is movably installed at the top of the steel pipe 2;

[0041] An operating rod 4 is movably installed inside the special-shaped support member 3 . A rubber operating head 5 is provided at one end of the operating rod 4 . The rubber operating head 5 is fixedly connected to one end of the operating rod 4 .

[0042] When in use, first, place the base 1 on one side of the circuit breaker, then press down the end of the operating rod 4 away from the rubber operating head 5. At this time, under the support of the special-shaped support member 3, the rubber operating head 5 of the operating rod 4 will be lifted upward and against the handle of the circuit breaker. Continue to apply force to the end of the operating rod 4 away from the rubber operating head 5 until the rubber operating head 5 pushes the circuit breaker handle in the closing direction, and finally, the circuit breaker on the low-voltage side of the box-type transformer is closed.

[0043] The low-voltage circuit breaker operating tool for a box-type transformer disclosed in this embodiment cooperates with the special-shaped support member 3 through the operating rod 4 and adopts the lever principle for operation, so as to facilitate the closing of the circuit breaker on the low-voltage side of the box-type transformer, thereby making the low-voltage circuit breaker operating tool for a box-type transformer have the beneficial effects of saving time and labor, strong versatility, high operating efficiency, low labor intensity for operators, no need for direct hand contact with the circuit breaker and reduced operating risks.

[0044] See also Figure 1 A rubber handle 6 is provided at one end of the operating rod 4 away from the rubber operating head 5. The rubber handle 6 is fixedly sleeved on the end of the operating rod 4 away from the rubber operating head 5. The rubber handle 6 is insulating and can effectively prevent the staff from being electric shocked, so that the operator's hand does not directly touch the circuit breaker, reducing the danger of operation.

[0045] The outer wall of the rubber handle 6 is provided with a plurality of anti-skid protrusions (not shown in the figure), which can play an anti-skid role so that the operator can hold the operating rod 4 firmly.

[0046] A movable groove 7 is provided on one side of the operating rod 4, which extends along the axial direction of the operating rod 4 and penetrates the operating rod 4; a support shaft 8 is fixedly installed inside the special-shaped support member 3, and the movable groove 7 is sleeved on the outer wall of the support shaft 8. The outer wall of the support shaft 8 slides and fits with the inner wall of the movable groove 7. The cooperation between the movable groove 7 and the support shaft 8 is conducive to the operating rod 4 to realize the lever principle. At the same time, the position of the support shaft 8 in the movable groove 7 can be adjusted according to the on-site conditions, and then the length of the operating rod 4 between the special-shaped support member 3 and the rubber operating head 5 can be adjusted, so that the rubber operating head 5 can be against the handle of the circuit breaker.

[0047] The movable groove 7 is close to the rubber operating head 5, so that the special-shaped support member 3 serving as a fulcrum will also be close to the rubber operating head 5. When the tool assists in closing the switch, this arrangement is more labor-saving, convenient for operators to operate, and improves work efficiency.

[0048] See also Figure 1 The special-shaped support member 3 is a U-shaped member, and symmetrical axial holes 9 are opened on the two wings of the special-shaped support member 3. The support shaft 8 is fixed on the axial holes 9, which is conducive to the operating rod 4 to realize the lever principle on the special-shaped support member 3, which is not only more labor-saving, but also makes the tool more stable when working.

[0049] The operating rod 4 is located between the two wings of the special-shaped support member 3, which is conducive to the operating rod 4 realizing the lever principle on the special-shaped support member 3, and has the beneficial effect of saving labor.

[0050] The bottom surface of the base 1 is provided with an anti-skid pad (not shown in the figure), which can prevent the base 1 from slipping, effectively improving the stability of the tool, improving the work efficiency of the worker's operation, and saving time.

[0051] See also Figure 1 A telescopic screw 10 is movably installed inside the steel pipe 2, and one end of the telescopic screw 10 close to the special-shaped support member 3 is fixedly connected to the special-shaped support member 3. Such a connection makes the structure of the tool more stable and has higher strength, which is conducive to height adjustment.

[0052] A butterfly nut 11 is provided at the top of the steel pipe 2, and the butterfly nut 11 is rotatably connected to the top of the steel pipe 2. The end of the telescopic screw 10 close to the steel pipe 2 can movably pass through the butterfly nut 11 and be inserted into the steel pipe 2. The internal thread of the butterfly nut 11 and the external thread of the telescopic screw 10 are screwed together. In this way, the telescopic screw 10 can be extended and retracted in the steel pipe 2 by rotating the butterfly nut 11, so that the height of the device can be adjusted, which is conducive to adjusting the height of the tool according to the actual situation on site, thereby realizing the closing of the circuit breaker on the low-voltage side of the box-type transformer. At the same time, the tool can be used on circuit breakers at different heights, making the device more versatile.

[0053] See also Figure 1 , the specific use steps of a box-type transformer low-voltage circuit breaker operating tool in this embodiment: by arranging a movable operating rod 4 inside the special-shaped support 3, the operating rod 4 is sleeved on the outside of the support shaft 8 through the movable groove 7 to form a lever structure, the staff can put the base 1 on one side of the circuit breaker, and then press down the rubber handle 6 of the operating rod 4, at this time the rubber operating head 5 will be lifted up and against the handle of the circuit breaker, and continue to apply force until the rubber operating head 5 pushes the circuit breaker handle in the closing direction. This structure adopts the lever principle for operation, which is not only more labor-saving and improves work efficiency, but also increases the distance between the staff and the circuit breaker. The hand does not directly touch the circuit breaker, reducing the risk of operation. At the same time, through the cooperation of the butterfly nut 11 and the telescopic screw 10, the operating rod 4 can be pushed up and down, so that the operating rod 4 can be closer to the circuit breaker, and can be used on circuit breakers at different heights, thereby making the device more versatile.

[0054] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 low voltage circuit breaker operating tool for a box-type transformer, characterized in that: comprising a base (1); A steel pipe (2) is provided on the top of the base (1), and one end of the steel pipe (2) close to the base (1) is vertically fixedly connected to the top surface of the base (1); The top end of the steel pipe (2) is provided with a special-shaped support member (3), and the special-shaped support member (3) is movably mounted on the top end of the steel pipe (2); An operating rod (4) is movably installed inside the special-shaped support member (3), one end of the operating rod (4) is provided with a rubber operating head (5), and the rubber operating head (5) is fixedly connected to one end of the operating rod (4).

2. A low-voltage circuit breaker operating tool for a box-type transformer according to claim 1, characterized in that: A rubber handle (6) is provided at one end of the operating rod (4) away from the rubber operating head (5), and the rubber handle (6) is fixedly sleeved on the end of the operating rod (4) away from the rubber operating head (5).

3. A low-voltage circuit breaker operating tool for a box-type transformer according to claim 2, characterized in that: The outer wall of the rubber handle (6) is provided with a plurality of anti-slip protrusions.

4. The low-voltage circuit breaker operating tool for a box-type transformer according to claim 1, characterized in that: A movable groove (7) is provided on one side of the operating rod (4), and the movable groove (7) extends along the axial direction of the operating rod (4) and penetrates the operating rod (4); A support shaft (8) is fixedly installed inside the special-shaped support member (3), and the movable groove (7) is sleeved on the outer wall of the support shaft (8), and the outer wall of the support shaft (8) is slidably fitted with the inner wall of the movable groove (7).

5. A low-voltage circuit breaker operating tool for a box-type transformer according to claim 4, characterized in that: The movable groove (7) is close to the rubber operating head (5).

6. A low-voltage circuit breaker operating tool for a box-type transformer according to claim 4, characterized in that: The special-shaped support member (3) is a U-shaped member. Symmetrical shaft holes (9) are provided on the two wings of the special-shaped support member (3), and the support shaft (8) is fixed on the shaft holes (9).

7. A low-voltage circuit breaker operating tool for a box-type transformer according to claim 6, characterized in that: The operating rod (4) is located between the two wings of the special-shaped support member (3).

8. The low-voltage circuit breaker operating tool for a box-type transformer according to claim 1, characterized in that: The bottom surface of the base (1) is provided with an anti-slip pad.

9. The low-voltage circuit breaker operating tool for a box-type transformer according to claim 1, characterized in that: A telescopic screw rod (10) is movably installed inside the steel pipe (2), and one end of the telescopic screw rod (10) close to the special-shaped support member (3) is fixedly connected to the special-shaped support member (3).

10. The low-voltage circuit breaker operating tool for a box-type transformer according to claim 9, characterized in that: A butterfly nut (11) is provided at the top end of the steel pipe (2), and the butterfly nut (11) is rotatably connected to the top end of the steel pipe (2). One end of the telescopic screw rod (10) close to the steel pipe (2) can movably penetrate the butterfly nut (11) and be inserted into the steel pipe (2), and the internal thread of the butterfly nut (11) and the external thread of the telescopic screw rod (10) are screwed together.