阅读说明：本技术 中置柜中手车断路器动静触头间插接深度测量用具及测量方法 (Tool and method for measuring insertion depth between moving contact and static contact of handcart circuit breaker in centrally installed switchgear ) 是由 井天兵 田旭 程君 于 2020-06-01 设计创作，主要内容包括：本发明公开了一种中置柜中手车断路器动静触头间插接深度测量用具及测量方法,测量用具包括套筒和定位部件,所述套筒为管状,其上具有适于与静触头活动套接的套孔,所述定位部件设置在所述套筒上用于将所述套筒定位。采用本发明中的测量用具能够快速准确测量动、静触头间的插接深度尺寸,得到量化数据,从而在两者插接深度不足时通过调试保证动、静触头间可靠接触。(The invention discloses a measuring tool and a measuring method for the plug-in depth between moving and static contacts of a handcart circuit breaker in a centrally installed switchgear. The measuring tool can quickly and accurately measure the splicing depth dimension between the moving contact and the static contact to obtain quantized data, so that the reliable contact between the moving contact and the static contact is ensured by debugging when the splicing depth of the moving contact and the static contact is insufficient.)

1. The utility model provides an in put handcart circuit breaker sound contact plug-in connection degree of depth measuring apparatus between cabinet, its characterized in that, includes sleeve (1) and locating component, sleeve (1) are the tubulose, have trepanning (11) that are suitable for and cup joint with static contact (2) activity on it, locating component sets up be used for on sleeve (1) with sleeve (1) location.

2. The tool for measuring the plug-in depth between the moving contact and the static contact of the handcart circuit breaker in the centrally installed switchgear according to claim 1, wherein an annular baffle (12) formed by extending outwards in the radial direction is arranged at the edge of one end of the sleeve (1).

3. The tool for measuring the plug-in depth between the moving contact and the static contact of the handcart circuit breaker in the centrally installed switchgear according to claim 1 or 2, wherein the positioning part is an annular elastic part (3) sleeved on the sleeve (1);

the circumferential wall of the sleeve (1) is provided with slots (13) at intervals, and the corresponding part of the elastic annular component is clamped into the slot (13) and tightened in the sleeve (1) and is suitable for being attached to the static contact (2).

4. The tool for measuring the plug-in depth between the moving contact and the static contact of the handcart circuit breaker in the centrally installed switchgear according to claim 3, wherein the annular elastic component (3) is a spring ring or a rubber ring.

5. A method for measuring the plugging depth of a moving contact and a static contact of a handcart circuit breaker in a centrally installed switchgear by using the measuring tool as claimed in any one of claims 1 to 4 is characterized by comprising the following steps:

the method comprises the following steps: sleeving a sleeve (1) on the tail end of a fixed contact (2), pushing a handcart circuit breaker (02) forwards in a centrally-mounted cabinet (01), moving a plum blossom moving contact (021) on the handcart circuit breaker (02) forwards and gradually inserting the plum blossom moving contact (021) into the fixed contact (2), wherein the tail end of the plum blossom moving contact (021) pushes the sleeve (1) to move forwards on the fixed contact (2) in the process, and the sleeve (1) stops moving until the handcart circuit breaker (02) is pushed inwards to a proper position;

step two: the handcart circuit breaker (02) is moved out of the middle-placed cabinet (01) outwards, the size from the outer end face of the sleeve (1) to the end face of the tail end of the static contact (2) is measured by a graduated scale, and the obtained size is the plugging depth of the static contact and the moving contact;

step three: and comparing the measured size with the specified size, and judging whether the size meets the requirement.

Technical Field

The invention relates to a tool and a method for measuring the insertion depth between a moving contact and a static contact of a handcart circuit breaker in a centrally installed switchgear, and belongs to the technical field of power equipment.

Background

In the middle-placed cabinet, the plum blossom moving contact on the handcart circuit breaker needs to be spliced with the fixed contact in the cabinet body to realize the conduction of a main circuit, if the splicing depth of the plum blossom moving contact and the fixed contact is not enough, the contact area of the plum blossom moving contact and the fixed contact is small, the poor contact easily causes the resistance between the fixed contact and the plum blossom moving contact to be increased, and then the corresponding part is caused to generate high temperature. In the prior art, the matching insertion depth of the moving contact and the static contact is mostly judged by workers according to experience, and the actual data has larger deviation.

Disclosure of Invention

Therefore, the invention aims to provide a tool and a method for measuring the plugging depth between the moving contact and the static contact of the handcart circuit breaker in the centrally installed switchgear, so that the plugging depth between the moving contact and the static contact can be quickly and accurately measured.

The technical scheme for realizing the purpose of the invention is as follows:

the utility model provides an in put handcart circuit breaker sound contact plug-in connection degree of depth measuring apparatus between cabinet, includes sleeve and locating part, the sleeve is the tubulose, has the trepanning that is suitable for to cup joint with the static contact activity on it, locating part sets up be used for on the sleeve with the sleeve location.

In the technical scheme, an annular baffle plate formed by radially and outwards extending is arranged at the edge of one end of the sleeve.

In the above technical solution, the positioning member is an annular elastic member sleeved on the sleeve;

the circumferential wall of the sleeve is provided with slots at intervals, and the corresponding part of the elastic annular component is clamped into the slots and tightened in the sleeve and is suitable for being attached to a static contact.

In the above technical solution, the annular elastic member is a spring ring or a rubber ring.

A method for measuring the plugging depth of a moving contact and a static contact of a handcart circuit breaker in a centrally installed switchgear by adopting the measuring tool comprises the following steps:

the method comprises the following steps: sleeving a sleeve on the tail end of a fixed contact, pushing a handcart circuit breaker forward in a centrally-mounted cabinet, moving a plum blossom moving contact on the handcart circuit breaker forward and gradually inserting the plum blossom moving contact into the fixed contact, pushing the sleeve forward on the fixed contact by the tail end of the plum blossom moving contact in the process, and stopping moving the sleeve until the handcart circuit breaker is pushed inward to a proper position;

step two: moving the handcart circuit breaker outwards out of the centrally installed switchgear, and measuring the size from the outer end face of the sleeve to the end face of the tail end of the static contact by using a graduated scale, wherein the obtained size is the plugging depth of the movable contact and the static contact;

step three: and comparing the measured size with the specified size, and judging whether the size meets the requirement.

The invention has the positive effects that: the measuring tool can quickly and accurately measure the splicing depth dimension between the moving contact and the static contact to obtain quantized data, so that the reliable contact between the moving contact and the static contact is ensured by debugging when the splicing depth of the moving contact and the static contact is insufficient.

Drawings

FIG. 1 is a schematic view of a measuring instrument according to the present invention in use;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a perspective view of a measuring tool of the present invention;

fig. 4 is an exploded view of the measuring tool shown in fig. 3.

The reference symbols shown in the figures are: 1-a sleeve; 11-trepanning; 12-an annular baffle; 13-slotting; 3-an annular elastic member; 2, static contact; 01-middle cabinet; 02-handcart breaker; 021-plum blossom moving contact.

Detailed Description

The specific structure of the invention is described below with reference to the accompanying drawings: