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CN-224232610-U - Moving contact assembly fixture for frame circuit breaker

CN224232610UCN 224232610 UCN224232610 UCN 224232610UCN-224232610-U

Abstract

The utility model discloses a moving contact assembly fixture of a frame circuit breaker, which comprises a fixture, wherein a moving contact mounting seat is arranged on a clamping surface of the fixture, the moving contact mounting seat comprises a bottom plate and a base, the cross section of the bottom plate is L-shaped, a clamping groove is formed in the side surface of the bottom plate, a side plate is connected in the clamping groove, the clamping groove limits the upper part and the lower part of the side plate, a round hole is formed in the side plate, a moving contact shaft is inserted in the round hole, a plurality of moving contacts are sleeved on the moving contact shaft, the moving contact shaft is pressed on a partition plate, and the side plate is used for positioning the moving contact shaft.

Inventors

  • QIU QINGBIN
  • WANG JIE

Assignees

  • 思贝尔电气有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (6)

  1. 1. The moving contact assembly tooling for the frame circuit breaker comprises a clamp and is characterized in that a moving contact mounting seat is arranged on a clamping surface of the clamp and comprises a bottom plate and a base station, the cross section of the bottom plate is L-shaped, clamping grooves are formed in the side face of the bottom plate, side plates are connected in the clamping grooves, the clamping grooves limit the side plates up and down, round holes are formed in the side plates, moving contact shafts are inserted into the round holes, a plurality of moving contacts are sleeved on the moving contact shafts, the moving contact shafts are pressed on a partition plate, and the side plates position the moving contact shafts.
  2. 2. The moving contact assembly fixture for the frame circuit breaker is characterized in that a spring caulking groove is formed in one end of the base, a plurality of partition plates are formed on the base, partition blocks are formed on two sides of each partition plate, the partition blocks are located in the spring caulking groove, two springs are arranged in the spring caulking groove, and the springs are distributed on two sides of the partition blocks.
  3. 3. The moving contact assembly fixture for the frame circuit breaker according to claim 1, wherein the fixture comprises a base, a positioning plate and a cylinder mounting plate, the positioning plate is formed at the upper end of the base, the cylinder mounting plate is formed at the upper end of the positioning plate, and the positioning plate is attached to the back surface of the moving contact mounting seat.
  4. 4. The moving contact assembly fixture of the frame circuit breaker, as set forth in claim 3, is characterized in that an air cylinder is installed at the upper end of the air cylinder installation plate, a push rod is connected to the telescopic end of the air cylinder, a pressing block is connected to the lower end of the push rod, and the pressing block presses a plurality of moving contact pieces between the partition plates.
  5. 5. The movable contact assembly fixture of the frame circuit breaker of claim 4, wherein the pressing block is internally provided with a groove, a contact is formed on the movable contact, and the groove is sleeved on the contact of the movable contact.
  6. 6. The movable contact assembly fixture of the frame circuit breaker of claim 4, wherein the pressing block is provided with a plurality of clamping plates, the clamping plates are distributed on two sides of the groove, and the clamping plates are inserted between the movable contact pieces.

Description

Moving contact assembly fixture for frame circuit breaker Technical Field The utility model relates to the technical field of assembly tools of moving contacts, in particular to an assembly tool of a moving contact of a frame circuit breaker. Background In the assembling process of the circuit breaker, after a plurality of movable contact pieces are pressed in place at the same time, the movable contact pieces are connected on the same shaft in series by utilizing a pin shaft, and the movable contact pieces are positioned, as in the assembling tool of the movable contact of the molded case circuit breaker provided in the patent 202323227417.5, because the molded case support 201 and parts for installing the movable contact pieces are integrally formed, in the assembling process of the circuit breaker, the movable contact pieces can only be sequentially arranged on a spring, and after the movable contact pieces are pressed in place, the pin shaft is inserted into a pin shaft fixing hole, so that the movable contact pieces are connected on the same pin shaft, and the installation of the movable contact is completed; The movable contact is firstly arranged on the spring and in the partition plate, gaps are certainly reserved between the partition plate and the movable contact for facilitating the movable contact to be arranged between the partition plates, the movable contact is arranged on the spring, the spring rigidity is poor, the movable contact after being arranged is easy to have angle deviation, so that the pressure of the movable contact to the partition plate can be increased when the pressing plate is pressed down, the partition plate can be broken, waste products are generated, and therefore, the movable contact assembling tool is designed for avoiding the movable contact from inclining when being pressed. Disclosure of utility model The utility model aims to provide a moving contact assembly fixture for a frame circuit breaker, which is characterized in that a split type moving contact mounting seat is designed, a moving contact shaft is positioned by utilizing a side plate, so that the moving contact is ensured to be mounted in place, during assembly, the moving contact is connected together through a pin shaft, the rigidity is improved by utilizing the moving contact shaft, a plurality of moving contacts are vertically distributed, and the possibility of tilting the moving contact under pressing is reduced. The utility model provides a moving contact assembly fixture of a frame circuit breaker, which comprises a fixture, wherein a moving contact mounting seat is arranged on a clamping surface of the fixture, the moving contact mounting seat comprises a bottom plate and a base, the cross section of the bottom plate is L-shaped, a clamping groove is formed in the side surface of the bottom plate, a side plate is connected in the clamping groove, the clamping groove limits the upper part and the lower part of the side plate, a round hole is formed in the side plate, a moving contact shaft is inserted in the round hole, a plurality of moving contacts are sleeved on the moving contact shaft, the moving contact shaft is pressed on a partition plate, and the side plate positions the moving contact shaft. According to the technical scheme, the one end shaping of base station has the spring caulking groove, the shaping has a plurality of baffles on the base station, the both sides shaping of baffle has the partition block, the partition block is located at the spring caulking groove, is provided with two springs in the spring caulking groove, and the spring distributes in the both sides of partition block, separates the spring through baffle and partition block, makes spring evenly distributed on every movable contact, makes movable contact atress even. According to the technical scheme, the clamp comprises a base, a positioning plate and an air cylinder mounting plate, wherein the positioning plate is formed at the upper end of the base, the air cylinder mounting plate is formed at the upper end of the positioning plate, the positioning plate is attached to the back surface of the movable contact mounting seat, and the mounting position of the movable contact mounting seat is positioned through the positioning plate. According to the technical scheme, the cylinder is installed to the upper end of cylinder mounting panel, the flexible end of cylinder is connected with the push rod, the lower extreme of push rod is connected with the briquetting, the briquetting presses a plurality of movable contact pieces between the baffle, through the height of the flexible control briquetting of cylinder, presses the movable contact piece. According to the technical scheme, the pressing block is internally provided with the groove, the movable contact is provided with the contact, the groove is sleeved on the contact of the movable contact, and the contact on the movable contact is avoided through the groove to prote