阅读说明：本技术 一种框架断路器触头支架装配装置 (Frame circuit breaker contact support assembly quality ) 是由 栗耀 杨国权 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种框架断路器触头支架装配装置,其特征在于：包括底座、定位盖、限位块和垫块,所述底座中间设有便于给装配的动触头让位的凹槽,所述凹槽的两侧设有定位槽,所述限位块设在定位槽内用于对触头支架的左右方向进行限位；所述定位盖设在底座上与底座连接固定,定位盖压在触头支架上用于提供定位并使得动触头在装配装置上保持水平。本发明结构简单,可以根据需要装配的动触头型号规格安装或更换适配的限位块和定位盖,能够就不同型号规格的动触头支架进行装配,通用性高,调节方便,提高了使用率。解决了触头支架装配无法保持水平影响后续装配的问题,保证了动触头的装配质量,提高了后续生产装配的效率和框架断路器的性能。(The invention discloses a frame circuit breaker contact support assembly device, which is characterized in that: the movable contact assembly device comprises a base, a positioning cover, a limiting block and a cushion block, wherein a groove which is convenient for yielding an assembled movable contact is arranged in the middle of the base, positioning grooves are formed in two sides of the groove, and the limiting block is arranged in the positioning grooves and used for limiting the left direction and the right direction of a contact support; the positioning cover is arranged on the base and is fixedly connected with the base, and the positioning cover is pressed on the contact support and is used for positioning and enabling the moving contact to be kept horizontal on the assembling device. The movable contact support assembly has a simple structure, can be assembled according to the model specification of a movable contact to be assembled or can be used for replacing the adaptive limiting block and the adaptive positioning cover, can be used for assembling movable contact supports of different models and specifications, has high universality and convenient adjustment, and improves the utilization rate. The problem that the assembly of the contact support cannot be kept horizontal to influence the subsequent assembly is solved, the assembly quality of the moving contact is guaranteed, and the efficiency of the subsequent production assembly and the performance of the frame circuit breaker are improved.)

1. The utility model provides a frame circuit breaker contact support assembly quality which characterized in that: the movable contact assembly device comprises a base (1), a positioning cover (2), a limiting block (3) and a cushion block (4), wherein a groove (11) which is convenient for yielding a moving contact (7) to be assembled is arranged in the middle of the base (1), positioning grooves (12) are formed in two sides of the groove (11), and the limiting block (3) is arranged in the positioning grooves (12) and used for limiting the left and right directions of a contact support (8);

the positioning cover (2) is arranged on the base (1) and is fixedly connected with the base (1), a concave part (21) and a round hole (22) convenient for yielding the moving contact (7) are arranged on the inner side of the positioning cover (2), the positioning cover (2) is pressed on the contact support (8) and is used for positioning and enabling the moving contact (7) to be kept horizontal on the assembling device, the positioning cover (2) and the base (1) form a space for assembling the contact support (8), and the front side surface and the rear side surface of the base (1) are provided with operation windows (13);

the cushion block (4) is arranged on the positioning cover (2) and is fixedly connected with the positioning cover (2) and the moving contact (7).

2. A frame circuit breaker contact carrier mounting apparatus as claimed in claim 1, wherein: u-shaped bosses (14) are arranged in the grooves (11), and the U-shaped bosses (14) are arranged in the front-back direction and used for positioning the contact supports (8).

3. A frame circuit breaker contact carrier mounting apparatus as claimed in claim 1, wherein: the lower surface of location lid (2) is equipped with arch (23), constant head tank (12) are the L shape and establish on the side and the bottom surface of base (1), location lid (2) are located the part adaptation of base (1) side through arch (23) and constant head tank (12).

4. A frame circuit breaker contact carrier mounting apparatus as claimed in claim 1, wherein: the bottom of stopper (3) sets up boss one (31), and the side sets up boss two (32), stopper (3) are established in constant head tank (12) through boss one (31) and boss two (32), set up on stopper (3) and boss two (32) the relative side and be used for spacing groove (33) to contact carrier (8).

5. A frame circuit breaker contact carrier mounting apparatus as claimed in claim 1, wherein: the base (1) is arranged on the supporting plate (5).

6. A frame circuit breaker contact carrier mounting apparatus as claimed in claim 1, wherein: the cushion block (4) is fixedly connected with the positioning cover (2) and the moving contact (7) through a screw (6).

Technical Field

The invention relates to a contact support assembly device of a frame circuit breaker, and belongs to the technical field of low-voltage apparatuses.

Background

The frame breaker contact is composed of a contact, a contact support, a spring, a shaft and a clamping plate. And the moving contact is arranged in the base, and then a contact support needs to be assembled on the basis of the assembled contact. The assembly quality of the contact support directly influences the assembly of subsequent parts. The traditional contact support assembly mode is direct assembly without using an assembly device, the contact support can not be kept horizontal by the assembly mode, the moving contact can be installed into the base and fastened, a bottom plate can not be matched smoothly, and even the assembled moving contact needs to be reworked during subsequent assembly. These directly affect the overall performance of the circuit breaker, reducing production efficiency.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the existing contact support assembly adopts a direct assembly mode, the contact support cannot be kept horizontal, and the assembly quality is low.

In order to solve the problems, the technical scheme of the invention is to provide a contact support assembling device of a frame circuit breaker, which is characterized in that: the movable contact assembly device comprises a base, a positioning cover, a limiting block and a cushion block, wherein a groove which is convenient for yielding an assembled movable contact is arranged in the middle of the base, positioning grooves are formed in two sides of the groove, and the limiting block is arranged in the positioning grooves and used for limiting the left direction and the right direction of a contact support;

the positioning cover is arranged on the base and is fixedly connected with the base, a concave part and a round hole convenient for yielding the moving contact are arranged on the inner side of the positioning cover, the positioning cover is pressed on the contact support and is used for positioning and enabling the moving contact to be kept horizontal on the assembling device, the positioning cover and the base form a space for assembling the contact support, and operation windows are arranged on the front side and the rear side of the base;

the cushion block is arranged on the positioning cover and is fixedly connected with the positioning cover and the moving contact.

Preferably, a U-shaped boss is arranged in the groove, and the U-shaped boss is arranged along the front-back direction and used for positioning the contact support.

Preferably, the lower surface of the positioning cover is provided with a protrusion, the positioning groove is arranged on the side surface and the bottom surface of the base in an L shape, and the positioning cover is matched with the part, located on the side surface of the base, of the positioning groove through the protrusion.

Preferably, the bottom of the limiting block is provided with a first boss, the side surface of the limiting block is provided with a second boss, the limiting block is arranged in the positioning groove through the first boss and the second boss, and a limiting groove used for limiting the contact support is formed in the side surface, opposite to the second boss, of the limiting block.

Preferably, the base is provided on a support plate.

Preferably, the cushion block, the positioning cover and the movable contact are fixedly connected through screws.

Compared with the prior art, the invention has the beneficial effects that:

the movable contact support assembly has a simple structure, can be assembled according to the model specification of a movable contact to be assembled or can be used for replacing the adaptive limiting block and the adaptive positioning cover, can be used for assembling movable contact supports of different models and specifications, has high universality and convenient adjustment, and improves the utilization rate. The positioning cover and the moving contact are tightly fixed in position through the cushion block, and then the bolt with the assembled contact support is fastened. Therefore, the problem that the assembly of the contact support cannot be kept horizontal to influence the subsequent assembly is solved, the assembly quality of the moving contact is ensured, and the efficiency of the subsequent production assembly and the performance of the frame circuit breaker are improved.

Drawings

Fig. 1 is a schematic structural view of a moving contact support assembled by using a contact support assembling device of a frame circuit breaker according to the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural diagram of a contact holder assembly apparatus for a frame circuit breaker according to the present invention;

FIG. 4 is a schematic view of a base structure;

FIG. 5 is a schematic view of a positioning cover;

fig. 6 is a schematic structural diagram of a limiting block.

Detailed Description

In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

As shown in fig. 3, the assembly device for the contact holder of the frame circuit breaker comprises a base 1, a positioning cover 2, a limiting block 3 and a cushion block 4. The base 1 is located the device bottom, and the backup pad 5 that the size is moderate is installed to its below, makes things convenient for the device fixed, avoids the device frequent removal and the wearing and tearing appear and the skew scheduling problem.

As shown in fig. 4, a groove 11 is formed in the middle of the base 1 to facilitate yielding of the assembled moving contact 7, a U-shaped boss 14 is formed in the groove 11, and the U-shaped boss 14 is arranged in the front-back direction and used for positioning the contact support 8. The two sides of the groove 11 are provided with positioning grooves 12, the positioning grooves 12 are arranged on the side surface and the bottom surface of the base 1 in an L shape, and mainly play roles of supporting and fixing and giving way to the moving contact 7. As shown in fig. 6, a boss 31 is processed at the bottom of the limiting block 3, a boss 32 is processed at the side face, the limiting block 3 is installed in the positioning groove 12 formed at the two sides of the base 1 through the boss 31 and the boss 32, and a limiting groove 33 for limiting the contact support 8 is arranged on the side face, opposite to the boss 32, of the limiting block 3. The limiting blocks 3 on the left side and the right side are oppositely arranged, and the adaptive limiting blocks 3 are selected according to moving contacts 7 of different models and specifications to provide limiting in the left-right direction for installing and fastening the contact support 8.

The positioning cover 2 is located above the base 1, and as shown in fig. 5, protrusions 23 are formed on two sides of the lower surface of the positioning cover 2 and are matched with the portions, located on the side surfaces of the base 1, of the positioning grooves 12. The middle of the positioning cover 2 is provided with a concave part 21 and a round hole 22 giving way to the moving contact 7, and the positioning cover 2 is provided with a plurality of round holes 22 with different models and specifications according to the contacts with different models and specifications. The round hole 22 penetrates through the movable contact 7 from the upper part and presses on the contact support 8 to provide positioning and keep the movable contact 7 horizontal in the device, thereby ensuring the position precision and stability of the movable contact 7. The positioning cover 2 and the base 1 form a space for assembling the contact holder 8, and an operation window 13 is formed on the front and rear side surfaces of the base 1.

The cushion block 4 is arranged on the positioning cover 2, can move freely according to the moving contacts 7 of different models and specifications, and fixes the moving contacts 7, the positioning cover 2 and the cushion block 4 through the screws 6.

The assembling device is simple in structure, can assemble the moving contact supports 8 of different models and specifications, is high in universality and convenient to adjust, and improves the utilization rate. As shown in fig. 1 and 2, the assembling device installs or replaces the adaptive limiting block 3 according to the model specification of the moving contact 7 to be assembled, places the moving contact 7 with the assembled contact support 8 and the bolt 9 not fastened in the groove 11 of the device, covers the positioning cover 2 on the device, uses the screw 6 to fasten the cushion block 4, the positioning cover 2 and the moving contact 7 in position, and fastens the bolt 9 with the assembled contact support 8 through the operation window 13. The problem that the assembly of the contact support 8 cannot be kept horizontal to influence subsequent assembly is solved, the assembly quality of the moving contact 7 is guaranteed, and the efficiency of subsequent production and assembly and the performance of the frame circuit breaker are improved.