CN220613702U

CN220613702U - Copper casting torque test fixture for fuse

Info

Publication number: CN220613702U
Application number: CN202322105648.2U
Authority: CN
Inventors: 沈龙杰
Original assignee: Jiaxing Xinda Power Equipment Co ltd
Current assignee: Jiaxing Xinda Power Equipment Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-03-19
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the field of fuse torque test, in particular to a copper casting torque test fixture for a fuse, which comprises the following components: pedestal, spacing subassembly one and spacing subassembly two, the pedestal upper end is equipped with holds the chamber, spacing subassembly one includes screw thread push rod one and screw thread push rod two, screw thread push rod one horizontal screw thread sets up in holding the intracavity, screw thread push rod two vertical screw thread sets up in holding the intracavity, pedestal one end is equipped with the support frame, vertical screw thread connection has screw thread push rod three on the support frame, spacing subassembly two sets up in holding the chamber upper end, spacing subassembly two includes the hexagonal inner skleeve, fixed block and spacing clamp splice, the hexagonal inner skleeve is fixed in the fixed block upper end, spacing clamp splice is fixed in the fixed block lower extreme, spacing clamp splice is equipped with vertical passageway, both sides are equipped with the spout around the vertical passageway, be equipped with the slider in the spout, spout left end screw thread connection has bolt one, the rear side sliding groove below is equipped with the push away the groove, it is equipped with the push block to push away inslot portion sliding, push groove rear end screw connection has bolt two.

Description

Copper casting torque test fixture for fuse

Technical Field

The utility model relates to the field of fuse torque testing, in particular to a copper casting torque testing clamp for a fuse.

Background

The fuse is an overcurrent protector, which mainly consists of a melt, a fusion pipe, an externally added filler and the like. When in use, the fuse is connected in series in the protected circuit, when the current of the protected circuit exceeds a specified value, the fuse is fused by the heat generated by the fuse body per se after a certain time, so that the circuit is disconnected, and the protection function is realized. The contact blade of the device in the fuse is made of pure copper castings, and the contact blade of the fuse is generally fixed on the fuse body by bolts. The contact knife comprises a contact knife handle and a bonding pad, the contact knife handle is directly welded on the bonding pad, the welding joint has larger performance non-uniformity, the composition and metallographic structure of the welding seam are different from those of a base metal, and the welding seam and a heat affected zone can generate various defects due to improper process or operation, so that the performance needs to be tested through torque, but the fuse contact knife has a plurality of different types, and one-to-one clamping tools can increase the production cost.

Disclosure of Invention

The utility model provides a copper casting torque testing fixture for a fuse, which is simple in structure and universal, and solves the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme: a copper casting torque test fixture for a fuse comprising: the pedestal, spacing subassembly one and spacing subassembly two, the pedestal upper end is equipped with and holds the chamber, spacing subassembly one includes screw thread push rod one and screw thread push rod two, screw thread push rod one horizontal screw thread sets up in holding the intracavity, screw thread push rod two vertical screw thread sets up in holding the intracavity, pedestal one end is equipped with the support frame, vertical threaded connection has screw thread push rod three on the support frame, spacing subassembly two sets up in holding the chamber upper end, spacing subassembly two includes hexagonal inner skleeve, fixed block and spacing clamp splice, hexagonal inner skleeve is fixed in the fixed block upper end, spacing clamp splice is fixed in the fixed block lower extreme, spacing clamp splice is equipped with vertical passageway, both sides are equipped with the spout around the vertical passageway, be equipped with the slider in the spout, spout left end threaded connection has bolt one, the rear side spout below is equipped with the push away the groove, it is equipped with the ejector pad to push away inside the slip, it has bolt two to push groove rear end threaded connection.

Further improved, the left end of the limiting clamp block is connected with a baffle through a bolt, and the bolt is connected to the baffle through a thread.

Further improvement, screw thread push rod one, screw thread push rod two and screw thread push rod three include clamp plate, screw rod and hexagonal knob, the clamp plate is fixed in screw rod one end, hexagonal knob is fixed in the screw rod other end.

Further improvement, two groups of bolts I and II are respectively arranged.

Further improvement, screw thread push rod one is provided with two sets of, screw thread push rod two is provided with two sets.

Compared with the prior art, the copper casting torque testing clamp for the fuse has the beneficial effects that:

the bonding pad of touch sword is placed and is held the intracavity, adjust screw push rod one and screw push rod two with the bonding pad promotion press from both sides tightly with hold the intracavity, then adjust screw push rod three and push down and press from both sides tight bonding pad up end, can make the bonding pad of different models all can be pressed from both sides tight, spacing clamp splice in the spacing subassembly is located on the touch sword handle, adjusting bolt one promotes the slider and slides in the spout, until the slider presss from both sides tightly to promote touch sword handle to the right side, adjusting bolt two promotes the ejector pad and slides in pushing away the inslot, until the ejector pad presss from both sides tightly to promote touch sword handle to the front side, and then fixed touch sword handle, make the touch sword handle of different models all can be pressed from both sides tight, the practicality is improved, reduce cost.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model

FIG. 2 is a schematic view of a partial structure of the present utility model

FIG. 3 is a schematic view of the top view of FIG. 2

FIG. 4 is a schematic view of the baffle plate of FIG. 2

In the figure, the first pedestal, the 11-accommodating cavity, the first 2-limiting component, the first 21-threaded push rod, the second 22-threaded push rod, the second 3-limiting component, the 31-hexagonal inner sleeve, the 32-fixed block, the 33-limiting clamping block, the 331-baffle, the 34-vertical channel, the 35-sliding chute, the 36-sliding block, the 37-first bolt, the 38-pushing groove, the 39-pushing block, the 391-second bolt, the 4-supporting frame, the third 41-threaded push rod, the 51-pressing plate, the 52-screw rod and the 53-hexagonal knob are arranged.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further described below with reference to the examples and the accompanying figures 1-4.

Example 1

A copper casting torque test fixture for a fuse, comprising: the novel lifting device comprises a pedestal 1, a first limiting component 2 and a second limiting component 3, wherein an accommodating cavity 11 is formed in the upper end of the pedestal 1, the first limiting component 2 comprises a first threaded push rod 21 and a second threaded push rod 22, the first threaded push rod 21 is transversely arranged in the accommodating cavity 11 in a threaded mode, the second threaded push rod 22 is vertically arranged in the accommodating cavity 11 in a threaded mode, a support frame 4 is arranged at one end of the pedestal 1, a third threaded push rod 41 is vertically connected onto the support frame 4 in a threaded mode, the second limiting component 3 is arranged at the upper end of the accommodating cavity 11, the second limiting component 3 comprises a hexagonal inner sleeve 31, a fixed block 32 and a limiting clamp block 33, the hexagonal inner sleeve 31 is fixed at the upper end of the fixed block 32, the limiting clamp block 33 is fixed at the lower end of the fixed block 32, the limiting clamp block 33 is provided with a vertical channel 34, sliding grooves 35 are formed in the front side and the rear side of the vertical channel 34, sliding grooves 36 are formed in the sliding grooves 35, bolts one 37 are connected with the left ends of the sliding grooves 35 in a threaded mode, pushing grooves 38 are formed in the sliding mode, and pushing grooves 39 are arranged in the sliding mode inside the pushing grooves 38 are connected with the second ends 391.

As shown in fig. 1 to 4, the use principle of the present utility model is as follows: firstly, a bonding pad of a contact blade is placed in a containing cavity 11, then a first threaded push rod 21 and a second threaded push rod 22 are adjusted to push and clamp the bonding pad into the containing cavity 11, then a third threaded push rod 41 is adjusted to press down the upper end face of the clamping bonding pad, bonding pads of different types can be clamped, then a limiting clamping block 33 in a limiting assembly 2 is sleeved on a contact blade handle, a first adjusting bolt 37 pushes a sliding block 36 to slide in a sliding groove 35 until the sliding block 36 clamps and pushes the contact blade handle to the right, a second adjusting bolt 391 pushes a push block 39 to slide in a push groove 38 until the push block 39 clamps and pushes the contact blade handle to the front side, and then the contact blade handle is fixed, so that contact blade handles of different types can be clamped, and the heads of torque wrenches (in the prior art) are inserted into a hexagonal inner sleeve 31 to test torque.

As a further preferred embodiment, the left end of the limiting clamp block 33 is connected with a baffle 331 through a bolt, and the first bolt 37 is connected to the baffle 331 through a thread, so that the sliding block 36 and the pushing block 39 inside are convenient to install.

As a further preferred embodiment, the first screw push rod 21, the second screw push rod 22 and the third screw push rod 41 include a pressing plate 51, a screw 52 and a hexagonal knob 53, the pressing plate 51 is fixed to one end of the screw 52, the hexagonal knob 53 is fixed to the other end of the screw 52, and the screw 52 is rotated by rotating the hexagonal knob 53, so that the pressing plate 51 clamps the bonding pad.

As a further preferred embodiment, the first bolt 37 and the second bolt 391 are provided with two groups, so as to improve the stability of clamping; the first threaded push rod 21 is provided with two groups, and the second threaded push rod 22 is provided with two groups, so that the clamping stability is improved.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. A copper casting torque test fixture for a fuse, comprising: the pedestal, spacing subassembly one and spacing subassembly two, the pedestal upper end is equipped with and holds the chamber, spacing subassembly one includes screw thread push rod one and screw thread push rod two, screw thread push rod one horizontal screw thread sets up in holding the intracavity, screw thread push rod two vertical screw thread sets up in holding the intracavity, pedestal one end is equipped with the support frame, vertical threaded connection has screw thread push rod three on the support frame, spacing subassembly two sets up in holding the chamber upper end, spacing subassembly two includes hexagonal inner skleeve, fixed block and spacing clamp splice, hexagonal inner skleeve is fixed in the fixed block upper end, spacing clamp splice is fixed in the fixed block lower extreme, spacing clamp splice is equipped with vertical passageway, both sides are equipped with the spout around the vertical passageway, be equipped with the slider in the spout, spout left end threaded connection has bolt one, the rear side spout below is equipped with the push away the groove, it is equipped with the ejector pad to push away inside the slip, it has bolt two to push groove rear end threaded connection.

2. The copper casting torque testing fixture for a fuse of claim 1, wherein the left end of the limiting clamp block is connected with a baffle through a bolt, and the bolt is connected to the baffle through a thread.

3. The copper casting torque testing fixture for a fuse according to claim 1, wherein the first threaded push rod, the second threaded push rod and the third threaded push rod comprise a pressing plate, a screw and a hexagonal knob, wherein the pressing plate is fixed at one end of the screw, and the hexagonal knob is fixed at the other end of the screw.

4. The copper casting torque testing fixture for a fuse according to claim 1, wherein two groups of bolts one and two groups of bolts two are provided.

5. The copper casting torque testing fixture for a fuse according to claim 1, wherein the first threaded push rod is provided with two groups, and the second threaded push rod is provided with two groups.