CN217787306U - Breaker opening and closing manipulator and breaker service life testing device - Google Patents

Abstract

The utility model discloses a circuit breaker divide-shut brake manipulator and circuit breaker life test device, including the tongs pillar, the first end and the reciprocating motion mechanism of tongs pillar are connected to can follow reciprocating motion mechanism and make reciprocating motion, the second end passes the lower carriage, and can follow the lower carriage axial displacement, go up the tongs and all be fixed in the second of tongs pillar under with on serving, the upper bracket is still fixed to the second end of tongs pillar, the guide post is connected respectively at the both ends of upper bracket, the guide post passes the lower carriage, and can follow the lower carriage motion. The guide can be provided for the movement of the gripper support, the movement direction is not deviated, and therefore the circuit breaker can be switched on and off accurately.

Description

Breaker opening and closing manipulator and breaker service life testing device

Technical Field

The utility model relates to a circuit breaker life test technical field especially relates to a circuit breaker divide-shut brake manipulator and circuit breaker life test device.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

A mechanical switch electric appliance with circuit breaker capable of switching on, carrying and breaking current under normal circuit condition and switching on, carrying for a certain time and breaking current under specified abnormal circuit belongs to protection electric appliances. The reliability of the circuit breaker affects the safe operation of the power supply and distribution line, the mechanical life and the electrical life are important performance indexes of the circuit breaker, and the life test is used for verifying the operation cycle times of the circuit breaker before repairing or replacing parts. When current circuit breaker life test device carries out circuit breaker life test, the pneumatic tongs that promote range easily squints, can't realize the divide-shut brake to the circuit breaker, and the pneumatic tongs that promotes can not adapt to the divide-shut brake of not unidimensional circuit breaker.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided a circuit breaker divide-shut brake manipulator and circuit breaker life test device, can provide the direction for the motion of tongs pillar, guarantee that the direction of motion does not squint to accurate carry out the divide-shut brake to the circuit breaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the first aspect, the breaker opening and closing mechanical arm comprises a gripper support, wherein the first end of the gripper support is connected with a reciprocating mechanism and can reciprocate along the reciprocating mechanism, the second end of the gripper support penetrates through a lower support and can move along the axial direction of the lower support, an upper gripper and a lower gripper are fixed to the second end of the gripper support, the second end of the gripper support is further fixed with an upper support, two ends of the upper support are respectively connected with a guide post, and the guide post penetrates through the lower support and can move along the lower support.

The second aspect provides a circuit breaker life test device, including the circuit breaker divide-shut brake manipulator that the first aspect provided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a circuit breaker divide-shut brake manipulator has established lower carriage and upper bracket through the outside cover at the tongs pillar, and the tongs pillar can follow the lower carriage and remove to set up the guide post at the both ends of upper bracket, the guide post passes the lower carriage, and can follow the lower carriage motion, can provide the direction for the motion of tongs pillar, guarantees that the direction of motion does not squint, thereby accurate carries out the divide-shut brake to the circuit breaker.

2. The utility model discloses all overlap in the outside of guide post, the outside of tongs pillar and establish the direction bearing, reduce the frictional force of guide post, tongs pillar when reciprocating, guarantee the smoothness nature that guide post, tongs pillar reciprocated, improve the stability of motion.

3. The utility model discloses install tongs, lower tongs department with the tongs pillar and set up to the plane, guaranteed the firm nature that upper and lower tongs are fixed to can guarantee the normal clear of circuit breaker divide-shut brake.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a front view showing the construction of a robot disclosed in embodiment 1;

fig. 2 is a top view of the robot disclosed in embodiment 1.

Wherein: 1. the device comprises a gripper support, 2, an upper gripper, 3, a lower gripper, 4, an upper support, 5, a lower support, 6, a support column, 7, a guide column, 8, a mounting hole, 9, a second guide bearing, 10 and a first guide bearing.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

In the present invention, terms such as "fixedly connected", "connected", and the like should be understood in a broad sense, and may be fixedly connected, or integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. For persons skilled in the art, the specific meanings of the above terms in the present invention can be determined according to specific situations, and should not be construed as limiting the present invention.

Example 1

In this embodiment, a breaker opening and closing manipulator is disclosed, as shown in fig. 1 and 2, including: the device comprises an upper gripper 2, a lower gripper 3, a gripper support 1 and a reciprocating mechanism.

The first end of the gripper strut 1 is connected with the reciprocating mechanism and can reciprocate along with the reciprocating mechanism.

The second end of the gripper support column 1 penetrates through the lower support 5 and can move axially along the lower support, and the upper gripper 2 and the lower gripper 3 are fixed at the second end of the gripper support column 1.

When the gripper support 1 axially reciprocates, the on-off operation of the circuit breaker is realized through the upper gripper 2 and the lower gripper 3.

An upper bracket 4 is fixed at the second end of the gripper support 1, two ends of the upper bracket 4 are respectively connected with a guide post 7, and the guide post 7 penetrates through the lower bracket 5 and can move axially along the lower bracket 5.

The gripper strut 1 is supported by the upper support 4, the movement of the upper support 4 and the gripper strut 1 is guided by the two guide posts 7, and the movement of the gripper strut 1 is also guided by the lower support 5.

In order to reduce the friction force of the guide post 7 and the hand grab support post 1 during movement, ensure the smoothness of the up-and-down movement of the guide post 7 and the hand grab support post 1 and improve the stability of the movement, a first guide bearing 10 is sleeved outside the guide post 7, the guide post 7 can move axially along the first guide bearing 10, a second guide bearing 9 is sleeved on the hand grab support post 1 and can move axially along the second guide bearing 9.

In the specific implementation, the upper bracket 4 is positioned between the lower bracket 5 and the lower gripper 3.

Two first guide bearings 10 are arranged on each guide column 7, one first guide bearing 10 is connected with the lower support frame 5, the other first guide bearing 10 is positioned at one end, connected with the upper support frame 4, of the guide column 7 and fixed on the support column 6, and the support column 6 is connected with the lower support frame 5.

The second guide bearing 9 is connected to the lower bracket 5.

The reciprocating mechanism adopts a cylinder, the gripper support column 1 is connected with the output end of the cylinder, and the reciprocating motion of the output end of the cylinder drives the reciprocating motion of the gripper support column 1.

The mounting hole 8 is formed in the lower support 5, the breaker opening and closing mechanical arm disclosed by the embodiment can be fixed on a rack of the breaker life test device through the mounting hole 8, and the lower support 5 is connected with the rack through a bolt.

In order to adjust the installation position of the breaker opening and closing mechanical hand on the rack, the installation hole 8 is used as a long round through hole, and the installation position of the breaker opening and closing mechanical hand on the rack is adjusted through the long round through hole.

In order to ensure that the upper gripper 2 and the lower gripper 3 are stably and firmly installed on the gripper support column 1 and the positions of the upper gripper 2 and the lower gripper 3 are not deviated, the positions of the upper gripper 2 and the lower gripper 3 on the gripper support column 1 are set to be planes.

The upper hand grip 2 and the lower hand grip 3 are made of elastic rubber materials, so that the friction and damage of the breaker handle on-off can be reduced.

According to the breaker opening and closing mechanical arm disclosed by the embodiment, the lower support and the upper support are sleeved outside the gripper support, the gripper support can move along the lower support, the guide columns are arranged at the two ends of the upper support, penetrate through the lower support and can move along the lower support, so that the guide can be provided for the movement of the gripper support, the movement direction is ensured not to deviate, and the breaker can be accurately opened and closed; the guide bearings are sleeved outside the guide columns and the gripper supporting columns, so that the friction force of the guide columns and the gripper supporting columns during up-and-down movement is reduced, the up-and-down movement fluency of the guide columns and the gripper supporting columns is ensured, and the movement stability is improved; the upper gripper and the lower gripper are arranged on the gripper support column and are arranged on the plane, so that the firmness of fixing the upper gripper and the lower gripper is ensured, and the normal operation of opening and closing of the circuit breaker can be ensured.

Example 2

In the embodiment, the circuit breaker service life testing device comprises the circuit breaker opening and closing manipulator disclosed in embodiment 1.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. The breaker opening and closing mechanical hand is characterized by comprising a hand grip support, wherein a first end of the hand grip support is connected with a reciprocating mechanism and can reciprocate along with the reciprocating mechanism, a second end of the hand grip support penetrates through a lower support and can axially move along the lower support, an upper hand grip and a lower hand grip are fixed to the second end of the hand grip support, an upper support is further fixed to the second end of the hand grip support, two ends of the upper support are respectively connected with guide columns, and the guide columns penetrate through the lower support and can move along the lower support.

2. The breaker opening and closing manipulator according to claim 1, wherein a first guide bearing is sleeved outside the guide post, and the guide post can move axially along the first guide bearing.

3. The breaker switching-closing mechanical arm according to claim 2, wherein each guide post is sleeved with two first guide bearings, one of the first guide bearings is connected with the lower support, the other first guide bearing is positioned at one end of the guide post connected with the upper support and fixed on the support post, and the support post is connected with the lower support.

4. The breaker opening and closing manipulator according to claim 1, wherein the gripper support is sleeved with a second guide bearing and can move axially along the second guide bearing, and the second guide bearing is connected with the lower support.

5. The breaker opening and closing manipulator according to claim 1, wherein the reciprocating mechanism employs an air cylinder, and the gripper support is connected to an output end of the air cylinder.

6. The breaker opening and closing manipulator according to claim 1, wherein the lower bracket is provided with a mounting hole.

7. The breaker opening and closing manipulator according to claim 6, wherein the mounting hole is a long round through hole.

8. The breaker opening and closing manipulator according to claim 1, wherein the positions where the upper hand grip is installed on the hand grip support and the lower hand grip is arranged to be a plane.

9. The breaker opening and closing manipulator according to claim 1, wherein the upper gripper and the lower gripper are made of rubber materials.

10. A circuit breaker service life testing device, characterized by comprising the circuit breaker opening and closing manipulator of any one of claims 1-9.

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