Vacuum circuit breaker tulip contact piece leveling device

By designing a contact plate leveling device for vacuum circuit breakers and using gear structure transmission for leveling, the problem of deformation of the contact plate during stamping is solved, the flatness and conductivity of the contact plate are improved, and the production cost is reduced.

CN222826317UActive Publication Date: 2025-05-02JIANGSU DAQUAN HIGH VOLTAGE SWITCH CO LTD
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Patent Information

Application Number
CN202421783175.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-02
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The vacuum circuit breaker contact plate is prone to deform during stamping, affecting its appearance and surface integrity, thereby affecting the conductivity and raw material utilization of the circuit breaker.

Method used

A vacuum circuit breaker contact contact leveling device is designed, using a simple, safe and reliable transmission mechanism to level the contacts. It is driven by a gear structure. The transmission process is smooth and the contacts to be processed are evenly distributed.

Benefits of technology

It improves the high flatness of the contact piece, reduces damage to the surface and appearance of the contact piece, reduces production costs, and improves economic benefits.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222826317U_ABST
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Abstract

The utility model provides a vacuum circuit breaker plum blossom contact piece leveling device. The device adopts a transmission mechanism which is simple in structure, safe and reliable to level a contact piece. When the device is used for leveling machining, a gear structure is adopted for transmission, the transmission process is smooth, stress on a to-be-machined contact piece is evenly distributed, and damage to the surface and the appearance of the contact piece is reduced while the high flatness of the contact piece is improved. The vacuum circuit breaker tulip contact piece leveling device has the advantages of being small in overall size, simple in structure, small in number of parts and low in requirements for use environments and users, production cost can be greatly reduced, and economic benefits can be improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medium-voltage switches, and in particular relates to a contact piece leveling device for plum blossom contacts of vacuum circuit breakers. Background Art

[0002] The vacuum circuit breaker is named because its arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; it has the advantages of small size, light weight, suitable for frequent operation, and arc extinguishing without maintenance, and is widely used in distribution networks. Vacuum circuit breakers are divided into low voltage and high voltage according to voltage. High-voltage vacuum circuit breakers are connected to other equipment through contact blades. As the most critical conductive component, the contact blade of the circuit breaker is the most important component of the circuit breaker. Its shape, material, and surface integrity play a decisive role in the conductive performance of the circuit breaker. Therefore, during the production and processing of the contact blade, it is necessary to ensure that its shape is flat.

[0003] Most of the contacts of vacuum circuit breakers are formed by one-time stamping of large-scale stamping machines. Although the efficiency is high, the contacts are easily deformed during the stamping process, which affects the shape and surface integrity of the contacts, and further affects the conductivity and raw material utilization of the circuit breaker. CN216802861U provides a grinding device for forming and processing the contacts of vacuum circuit breakers. In the prior art, large-scale stamping machines have high costs, low raw material utilization, cumbersome operations and high risks. Therefore, it is not suitable to perform secondary stamping on deformed contacts. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the utility model provides a contact piece leveling device for plum blossom contacts of a vacuum circuit breaker.

[0005] A vacuum circuit breaker plum blossom contact blade leveling device, the vacuum circuit breaker plum blossom contact blade leveling device comprising a motor and a leveling device;

[0006] The leveling device is installed on the top surface of the leveling device mounting plate; the leveling device mounting plate is fixedly installed on the mounting base; the motor is fixedly installed on the motor mounting plate, and the motor mounting plate is fixedly installed on the mounting base;

[0007] The leveling device comprises a vertical mounting plate, a feeding plate, a leveling rod, a gear rod and a transmission rod;

[0008] The vertical mounting plate comprises a first vertical mounting plate and a second vertical mounting plate; the first vertical mounting plate and the second vertical mounting plate are provided with a feeding plate slot;

[0009] The first vertical mounting plate and the second vertical mounting plate are both provided with three layers of mounting holes from top to bottom, the first layer of mounting holes is the mounting hole for the leveling rod; the second layer is the mounting hole for the gear rod; and the third layer is the mounting hole for the transmission rod;

[0010] One end of the feed plate is fixedly mounted on the top surface of the leveling device mounting plate, and the other end is provided with a horizontal platform portion, and the horizontal platform portion is adapted to be mounted in the feed plate slot;

[0011] The leveling rod is adapted to be installed in the leveling rod installation hole;

[0012] The gear rod is adapted to be installed in the gear rod installation hole; one end of the gear rod protrudes from the second vertical installation plate, and a gear is provided on the protruding portion; the gear of the gear rod can mesh with the gear of the transmission rod;

[0013] The transmission rod is adapted to be installed in the transmission rod installation hole; one end of the transmission rod protrudes from the second vertical installation plate, and a gear is provided on the protruding portion;

[0014] The motor gear is connected to the motor through a connecting key; the motor gear is meshed with the gear of the gear rod.

[0015] The gear rod mounting holes are 7 to 11 holes arranged horizontally; the leveling rod mounting holes are 6 to 10 holes arranged horizontally; and the transmission rod mounting holes are 6 to 10 holes arranged horizontally.

[0016] The plane where the horizontal platform portion of the feeding plate is located is tangent to the upper portion of the gear rod.

[0017] The punching position of the leveling rod mounting hole is adjusted according to the punching position of the gear rod mounting hole and the thickness of the material to be processed.

[0018] The rod surface diameters of the leveling rod and the gear rod are adjustable; the mounting hole of the leveling rod is matched with the leveling rod; and the mounting hole of the gear rod is matched with the gear rod.

[0019] The rotation speed of the motor gear is adjustable.

[0020] Beneficial Effects

[0021] The utility model provides a contact blade leveling device for plum blossom contacts of vacuum circuit breakers, the device adopts a simple, safe and reliable transmission mechanism to level the contacts; the device adopts a gear structure transmission during the leveling process, the transmission process is smooth, and the force on the contact blades to be processed is evenly distributed, which is beneficial to reduce the damage to the contact blade surface and contact blade shape while improving the high flatness of the contact blade. The contact blade leveling device for plum blossom contacts of vacuum circuit breakers provided by the utility model has the advantages of small overall volume, simple structure, small number of parts, low requirements on the use environment and users, and can greatly reduce production costs and improve economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model provides a three-dimensional vacuum circuit breaker plum blossom contact flattening device Figure 1 ;

[0023] Figure 2 The utility model provides a three-dimensional vacuum circuit breaker plum blossom contact flattening device Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the main view of a plum blossom contact leveling device for a vacuum circuit breaker provided by the utility model;

[0025] The following are marked in the figure:

[0026] 1 first vertical mounting plate;

[0027] 2 second vertical mounting plate;

[0028] 3. Motor mounting plate;

[0029] 4 motors;

[0030] 5. Leveling device mounting plate;

[0031] 6 feeding plates;

[0032] 7. Install the base;

[0033] 8. Leveling rod;

[0034] 9 connection key;

[0035] 10 motor gear;

[0036] 11 gear lever;

[0037] 12 Transmission rod. DETAILED DESCRIPTION

[0038] Example

[0039] Combination Figures 1 to 3 The structure and working principle of the technical solution provided by the utility model are explained.

[0040] The utility model provides a plum blossom contact piece leveling device for a vacuum circuit breaker, the plum blossom contact piece leveling device for a vacuum circuit breaker comprises a motor 4 and a leveling device;

[0041] The leveling device includes vertical mounting plates (a first vertical mounting plate 1 and a second vertical mounting plate 2), a feeding plate 6, a leveling rod 8, a gear rod 11 and a transmission rod 12;

[0042] The leveling device is installed on the top surface of the leveling device mounting plate 5; (the first vertical mounting plate 1 and the second vertical mounting plate 2 are installed on the top surface of the leveling device mounting plate 5, and the installation spacing between the first vertical mounting plate 1 and the second vertical mounting plate 2 is adapted to the length of the leveling processing rod 8;) the leveling device mounting plate 5 is fixedly installed on the mounting base 7;

[0043] The vertical mounting plates (the first vertical mounting plate 1 and the second vertical mounting plate 2) are provided with a feeding plate slot;

[0044] One end of the feed plate 6 is fixedly mounted on the top surface of the leveling device mounting plate 5, and the other end is provided with a horizontal platform portion, which is adapted to be mounted in the feed plate slot; the plane where the horizontal platform portion is located is tangent to the upper part of the gear rod 11;

[0045] The vertical mounting plates (the first vertical mounting plate 1 and the second vertical mounting plate 2) are provided with three layers of mounting holes from top to bottom, the first layer of mounting holes are leveling rod mounting holes, the second layer are gear rod mounting holes, and the third layer are transmission rod mounting holes;

[0046] The gear rod mounting holes are 7 to 11 holes arranged horizontally; the punching positions of the gear rod mounting holes are adapted to the plane height of the horizontal platform portion of the feed plate, that is, the punching positions of the gear rod mounting holes can satisfy the tangency between the plane of the horizontal platform portion of the feed plate and the upper part of the assembled gear rod 11;

[0047] The gear rod 11 is adapted to be installed in the gear rod mounting hole; one end of the gear rod 11 protrudes from the second vertical mounting plate 2, and a gear is provided on the protruding portion, which can rotate with the motor gear 10 or the transmission rod gear; when the gear rod 11 rotates, it can drive the material to pass through the leveling device;

[0048] The leveling rod mounting holes are 6 to 10 holes arranged horizontally; the punching positions of the leveling rod mounting holes are adjusted according to the punching positions of the gear rod mounting holes and the thickness of the material to be processed;

[0049] The leveling rod 8 is adapted to be installed in the leveling rod installation hole and can rotate as the material passes through;

[0050] The transmission rod mounting holes are 6 to 10 holes arranged horizontally; the punching positions of the transmission rod mounting holes match the punching positions of the gear rod mounting holes, that is, the punching positions of the transmission rod mounting holes can meet the requirements that the gears of the assembled transmission rod 12 can mesh with the gears of the assembled gear rod 11;

[0051] The transmission rod 12 is adapted to be installed in the transmission rod installation hole; one end of the transmission rod 12 protrudes from the second vertical installation plate 2, and a gear is provided on the protruding portion, which can rotate with the motor gear 10 or the gear rod gear;

[0052] The motor 4 is fixedly mounted on the motor mounting plate 3, and the motor mounting plate 3 is fixedly mounted on the mounting base 7;

[0053] The motor 4 is connected to the motor gear 10 by a connecting key 9; the installation position of the motor 4 is adapted to the installation position of the leveling device, that is, the installation position of the motor 4 can meet the meshing of the motor gear 10 and the gear of the gear rod 11 of the leveling device; the speed of the motor 4 is adjustable;

[0054] The working principle of the plum blossom contact leveling device for a vacuum circuit breaker provided by the utility model is described below.

[0055] The plum blossom contact leveling device of vacuum circuit breaker enters the working state after the assembly stage and the debugging stage;

[0056] The motor is powered on, the motor drive drives the motor gear to rotate, and the motor gear drives the gear rod gear and the transmission rod gear to rotate;

[0057] Place the material to be processed (i.e. the contact piece of the plum blossom contact to be processed) horizontally on the horizontal platform of the feeding plate, and then push the material to be processed in; the material to be processed is leveled through the gap between the leveling rod and the gear rod under the transmission action of the gear rod; at this time, the leveling rod also rotates with the material to be processed under the transmission action; after this process, the leveling of the material to be processed is completed, and the obtained product is sent out from the rear of the leveling device.

[0058] The utility model provides a contact blade leveling device for plum blossom contacts of vacuum circuit breakers, the device adopts a simple, safe and reliable transmission mechanism to level the contacts; the device adopts a gear structure transmission during the leveling process, the transmission process is smooth, and the force on the contact blades to be processed is evenly distributed, which is beneficial to reduce the damage to the contact blade surface and contact blade shape while improving the high flatness of the contact blade. The contact blade leveling device for plum blossom contacts of vacuum circuit breakers provided by the utility model has the advantages of small overall volume, simple structure, small number of parts, low requirements on the use environment and users, and can greatly reduce production costs and improve economic benefits.

Claims

1. A vacuum circuit breaker plum blossom contact flattening device, characterized in that: The vacuum circuit breaker plum blossom contact piece leveling device comprises a motor and a leveling device; The leveling device is installed on the top surface of the leveling device mounting plate; the leveling device mounting plate is fixedly installed on the mounting base; the motor is fixedly installed on the motor mounting plate, and the motor mounting plate is fixedly installed on the mounting base; The leveling device comprises a vertical mounting plate, a feeding plate, a leveling rod, a gear rod and a transmission rod; The vertical mounting plate comprises a first vertical mounting plate and a second vertical mounting plate; the first vertical mounting plate and the second vertical mounting plate are provided with a feeding plate slot; The first vertical mounting plate and the second vertical mounting plate are both provided with three layers of mounting holes from top to bottom, the first layer of mounting holes is the mounting hole for the leveling rod; the second layer is the mounting hole for the gear rod; and the third layer is the mounting hole for the transmission rod; One end of the feed plate is fixedly mounted on the top surface of the leveling device mounting plate, and the other end is provided with a horizontal platform portion, and the horizontal platform portion is adapted to be mounted in the feed plate slot; The leveling rod is adapted to be installed in the leveling rod installation hole; The gear rod is adapted to be installed in the gear rod installation hole; one end of the gear rod protrudes from the second vertical installation plate, and a gear is provided on the protruding portion; the gear of the gear rod can mesh with the gear of the transmission rod; The transmission rod is adapted to be installed in the transmission rod installation hole; one end of the transmission rod protrudes from the second vertical installation plate, and a gear is provided on the protruding portion; The motor gear is connected to the motor through a connecting key; the motor gear is meshed with the gear of the gear rod.

2. The device according to claim 1, characterized in that The gear rod mounting holes are 7 to 11 holes arranged horizontally; the leveling rod mounting holes are 6 to 10 holes arranged horizontally; and the transmission rod mounting holes are 6 to 10 holes arranged horizontally.

3. The device according to claim 1, characterized in that The plane where the horizontal platform portion of the feeding plate is located is tangent to the upper portion of the gear rod.

4. The device according to claim 1, characterized in that The punching position of the leveling rod mounting hole is adjusted according to the punching position of the gear rod mounting hole and the thickness of the material to be processed.

5. The device according to claim 1, characterized in that The rod surface diameters of the leveling rod and the gear rod are adjustable; the mounting hole of the leveling rod is matched with the leveling rod; and the mounting hole of the gear rod is matched with the gear rod.

6. The device according to claim 1, characterized in that The rotation speed of the motor gear is adjustable.