Adjustable centrally installed switchgear handcart

By designing an adjustable center cabinet trolley and using the rotating handwheel and inclined structure to adjust the height of the circuit breaker, the problem of insufficient adaptability of existing trolleys is solved, adaptation to different types of circuit breakers is achieved, and the applicability of the center cabinet trolley is improved.

CN223451485UActive Publication Date: 2025-10-17ZHEJIANG GUOAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202422886824.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-17
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing center cabinet trolley can only adapt to fixed types of circuit breakers, has low adaptability, and cannot adapt to different types of circuit breakers.

Method used

An adjustable center cabinet trolley is designed. By turning the handwheel to drive the rotating shaft and drive gear, the height of the circuit breaker is adjusted using the inclined structure to achieve adaptation to different models of circuit breakers.

Benefits of technology

The applicability of the center cabinet trolley has been improved, making it adaptable to different types of circuit breakers, and enhancing its flexibility and adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable centrally installed switchgear handcart which comprises a handcart body and a circuit breaker, a sliding plate is slidably arranged on the top of the handcart body, a plurality of supporting mechanisms are arranged on one side of the top of the handcart body, a bottom plate is arranged at the bottom of the circuit breaker, the supporting mechanisms are connected with the bottom of the bottom plate, and first abutting blocks are arranged on the tops of the two sides of the sliding plate. The two sides of the bottom of the bottom plate are provided with second abutting blocks matched with the first abutting blocks, the corners of the opposite sides of the first abutting blocks and the second abutting blocks are provided with slopes, and the two slopes are attached to each other. A support is arranged on one side of the top of the trolley body, a rotating shaft is rotationally arranged on the support, and a driving gear is arranged in the middle of the rotating shaft. One side of the top of the vehicle body is provided with a ratchet pawl matched with the ratchet wheel, and the ratchet wheel is meshed with the ratchet pawl. The centrally installed switchgear handcart can adapt to circuit breakers of different models, and has the effect of improving the applicability of the centrally installed switchgear handcart.
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Description

TECHNICAL FIELD

[0001] The utility model relates to handcart technical field, concretely relates to a kind of adjustable cubicle handcart. BACKGROUND

[0002] The full name of cubicle is armored type movable middle-mounted metal-enclosed switchgear, which is divided into three layers, the upper layer is busbar and instrument room, the middle layer is circuit breaker room, and the lower layer is cable room. Since the circuit breaker is in the middle layer, it is called armored type movable middle-mounted metal-enclosed switchgear, which is simply called cubicle. The cubicle is mainly used for power generation, power transmission of small and medium-sized generators, power reception and transmission of power system secondary substation, power distribution of industrial and enterprise units, and starting of large high-voltage motors.

[0003] At present, in the related art, the circuit breaker room of the cubicle needs to be installed with a cubicle handcart before use. The existing cubicle handcart comprises a vehicle body and a circuit breaker, and the circuit breaker is installed on the vehicle body. Four pulleys are rotatably connected to the two sides of the vehicle body, and the rotation axes of the four pulleys are in the same horizontal plane. When using the cubicle handcart, the circuit breaker is first fixedly connected to the vehicle body, and then the vehicle body is driven to slide into the cubicle by rotating the pulleys, so that the movable contact of the circuit breaker is engaged with the stationary contact of the cubicle, and the installation of the circuit breaker is realized.

[0004] For the above-mentioned related art, the inventors have found that the same type of cubicle handcart can only adapt to fixed type circuit breakers, and different sizes of cubicle handcarts need to be manufactured when different type circuit breakers are needed, which has the defect of low adaptability of cubicle handcart.

[0005] Therefore, the applicant has made a beneficial design and found a method to solve the above problems. The technical solution to be introduced below was generated in this background. CONTENT OF THE UTILITY MODEL

[0006] The utility model relates to providing a kind of adjustable cubicle handcart to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] The adjustable cubical switchboard handcart comprises a trolley body, a circuit breaker, a sliding plate arranged on the top of the trolley body, a plurality of supporting mechanisms arranged on one side of the top of the trolley body, a bottom plate arranged on the bottom of the circuit breaker, the supporting mechanisms are connected with the bottom plate, first abutting blocks are arranged on the top of the sliding plate, second abutting blocks are arranged on the bottom of the bottom plate and matched with the first abutting blocks, inclined surfaces are arranged on opposite side edges of the first abutting blocks and the second abutting blocks, the two inclined surfaces are matched, a support is arranged on one side of the top of the trolley body, a rotating shaft is rotatably arranged on the support, a driving gear is arranged on the middle of the rotating shaft, a driving plate is arranged on one side of the sliding plate, a rack is arranged on the top of the driving plate and matched with the driving gear, the driving gear is engaged with the rack, a ratchet wheel is arranged on one end of the rotating shaft, a ratchet pawl is arranged on one side of the top of the trolley body and matched with the ratchet wheel, and the ratchet wheel is engaged with the ratchet pawl.

[0009] Preferably, a sliding rail is arranged on one side of the top of the trolley body, and the sliding plate is slidably connected with the sliding rail.

[0010] Preferably, the trolley body is provided with an avoiding groove on both sides.

[0011] Preferably, one end of the rotating shaft is provided with a hand wheel.

[0012] Preferably, the supporting mechanism is a hydraulic damping type supporting rod.

[0013] Beneficial effects

[0014] The above one or more technical solutions in the adjustable cubical switchboard handcart provided by the embodiment of the utility model have at least one of the following technical effects:

[0015] According to the above technical scheme, when in use, the rotating shaft is rotated by rotating the hand wheel, the driving gear is driven to rotate by the rotating shaft, the sliding plate is moved towards the circuit breaker by the rack driven by the driving gear, the first abutting block is abutted and pushes the second abutting block by the sliding of the sliding plate, the second abutting block is moved upwards by the action of the inclined surface, so that the height of the circuit breaker is increased; the rotating shaft is rotated by rotating the hand wheel, the driving gear is driven to rotate by the rotating shaft, the sliding plate is moved away from the circuit breaker by the rack driven by the driving gear, the pushing action of the first abutting block and the second abutting block is cancelled, so that the height of the circuit breaker is decreased; the height position of the circuit breaker can be adjusted, the cubical switchboard handcart can be adapted to circuit breakers of different models to be connected with the cubical switchboard, and the applicability of the cubical switchboard handcart is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a whole three-dimensional structure schematic Figure 1 ;

[0017] Figure 2 The utility model discloses a whole three-dimensional structure schematic Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the vehicle body structure of the present utility model.

[0019] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0020] 1. Car body; 2. Circuit breaker; 3. Slide plate; 4. Support mechanism; 5. Bottom plate; 6. First stop block; 7. Second stop block; 8. Bracket; 9. Rotating shaft; 10. Drive gear; 11. Drive plate; 12. Rack; 13. Ratchet; 14. Ratchet pawl; 15. Slide rail; 16. Avoidance groove; 17. Handwheel. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0023] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] like Figures 1-3 As shown, it is a structural schematic diagram of an adjustable center cabinet trolley in a preferred embodiment of the present invention;

[0025] In this embodiment, including the vehicle body 1, circuit breaker 2, circuit breaker 2 is movably mounted on the top of the vehicle body 1, the top of the vehicle body 1 is slidably provided with a sliding plate 3, the top of the vehicle body 1 is provided with a plurality of support mechanisms 4 on one side and is fixedly provided with a bottom plate 5 on the bottom of the circuit breaker 3, a plurality of support mechanisms 4 are connected with the bottom plate 5 on the bottom, the circuit breaker 2 is supported by the plurality of support mechanisms 4, the sliding plate 3 is provided with a first abutting block 6 on both sides of the top, the bottom plate 5 is provided with a second abutting block 7 on both sides of the bottom and is matched with the first abutting block 6, the first abutting block 6 and the second abutting block 7 are provided with inclined surfaces on opposite side edges, the two inclined surfaces are matched, the first abutting block 6 abuts and pushes the second abutting block 7, the second abutting block 7 is moved upward under the action of the inclined surface, the vehicle body 1 is provided with a support 8 on one side of the top, the support 8 is rotatably provided with a rotating shaft 9, the rotating shaft 9 is provided with a driving gear 10 in the middle, the rotating shaft 9 drives the coaxial rotation of the driving gear 10 when rotating, the sliding plate 3 is provided with a driving plate 11 on one side, the driving plate 11 is provided with a rack 12 on the top and is matched with the driving gear 10, the driving gear 10 is engaged with the rack 12, the rack 12 is driven to move the sliding plate 3 when the driving gear 10 rotates, one end of the rotating shaft 9 is provided with a ratchet wheel 13, one side of the top of the vehicle body 1 is provided with a ratchet pawl 14 and is matched with the ratchet wheel 13, the ratchet wheel 13 is engaged with the ratchet pawl 14, the rotating shaft 9 is limited by the cooperation of the ratchet wheel 13 and the ratchet pawl 14, so that the position of the sliding plate 3 is not moved when the rotating shaft 9 rotates by itself.

[0026] In this embodiment, the top of the vehicle body 1 is provided with a sliding rail 15 on one side, and the sliding plate 3 is slidably connected with the sliding rail 15.

[0027] In this embodiment, the vehicle body 1 is provided with an avoiding groove 16 on both sides, and the second abutting block 7 is avoided by the avoiding groove 16.

[0028] In this embodiment, one end of the rotating shaft 9 is provided with a hand wheel 17, which is convenient for the rotating shaft 9 to rotate by the hand wheel 17.

[0029] In this embodiment, the support mechanism 4 is a hydraulic damping type support rod, which has good load bearing and damping support effect.

[0030] The utility model discloses a principle:

[0031] In use, the hand wheel 17 is rotated to rotate the rotating shaft 9, the rotating shaft 9 drives the driving gear 10 to rotate, the driving gear 10 drives the rack 12 to move the slide plate 3 to the direction close to the circuit breaker 2, the slide plate 3 slides to make the first abutting block 6 abut and push the second abutting block 7, the second abutting block 7 is moved upward under the action of the slope, so that the circuit breaker 2 is lifted; the hand wheel 17 is rotated to rotate the rotating shaft 9, the rotating shaft 9 drives the driving gear 10 to rotate, the driving gear 10 drives the rack 12 to move the slide plate 3 to the direction away from the circuit breaker 2, the pushing action of the first abutting block 6 and the second abutting block 7 is cancelled, so that the circuit breaker 2 is lowered; the height position of the circuit breaker 2 can be adjusted, and the middle cabinet trolley can be adapted to different types of circuit breakers 2 to be connected with the middle cabinet, so that the applicability of the middle cabinet trolley is improved.

[0032] The installation mode, the connection mode or the setting mode of the adjustable middle cabinet trolley are all common mechanical modes, and any mode that can achieve the beneficial effects can be implemented.

[0033] The technologies not described in detail in the utility model are all known technologies, and the skilled person in the art can easily implement the utility model on the basis of understanding the specification, and the contents represented in the drawings are part of the specification.

[0034] The above content is further detailed description of the utility model in combination with the specific embodiments, and the specific embodiments of the utility model cannot be limited to these descriptions. For ordinary skilled person in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope determined by the claims of the utility model.

Claims

1. An adjustable center cabinet trolley, comprising a trolley body and a circuit breaker, characterized in that: A slide is provided on the top of the vehicle body for sliding movement, several supporting mechanisms are provided on one side of the top of the vehicle body, a base plate is provided at the bottom of the circuit breaker, and several supporting mechanisms are connected to the bottom of the base plate, a first stop is provided on the top of both sides of the slide, and a second stop is provided on both sides of the bottom of the base plate to cooperate with the first stop, and an inclined surface is provided on the corners on the opposite side of the first stop and the second stop, and the two inclined surfaces are in contact with each other, a bracket is provided on one side of the top of the vehicle body, a rotating shaft is provided on the bracket for rotation, a driving gear is provided in the middle of the rotating shaft, a driving plate is provided on one side of the slide, a rack is provided on the top of the driving plate to cooperate with the driving gear, the driving gear is meshed with the rack, a ratchet is provided at one end of the rotating shaft, a ratchet pawl is provided on the top side of the vehicle body to cooperate with the ratchet, and the ratchet is meshed with the ratchet pawl.

2. The adjustable center cabinet trolley according to claim 1, characterized in that: A slide rail is provided on one side of the top of the vehicle body, and the slide plate is slidably connected to the slide rail.

3. The adjustable center cabinet trolley according to claim 1, characterized in that: Both sides of the vehicle body are provided with avoidance grooves.

4. The adjustable center cabinet trolley according to claim 1, characterized in that: A hand wheel is provided at one end of the rotating shaft.

5. The adjustable center cabinet trolley according to claim 1, characterized in that: The support mechanism is a hydraulic damping support rod.