CN219552154U

CN219552154U - CuCr30 contact hardness test bench

Info

Publication number: CN219552154U
Application number: CN202320514690.7U
Authority: CN
Inventors: 俞丽燕
Original assignee: Jiaozuo Jerui Vacuum Electric Co ltd
Current assignee: Jiaozuo Jerui Vacuum Electric Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-18
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to the technical field of contact hardness testing, in particular to a CuCr30 contact hardness testing rack, which comprises a machine body, wherein the machine body comprises a machine table, the upper surface of the machine table is fixedly connected with a telescopic cylinder, the output end of the telescopic cylinder is fixedly connected with a testing table, the surface of the machine table is provided with a pressure sensor, and the bottom end of the pressure sensor is provided with a testing head; and a limiting mechanism is arranged on the inner side of the test bench. According to the utility model, the setting of the placing groove is convenient for placing the cucr30 contact, so that the cucr30 contact is not easy to fall off on the test bench, and meanwhile, the rotation of the rotating rod can realize that the second conical tooth drives the screw to rotate under the action of the first conical tooth, so that the first moving block can be moved and the connecting rod can be driven to move, the effect of limiting the cucr30 contact at the inner side of the placing groove through the limiting plate is achieved, the deviation of the cucr30 contact during hardness test can be avoided, and the stability of hardness test can be ensured.

Description

CuCr30 contact hardness test bench

Technical Field

The utility model relates to the technical field of contact hardness testing, in particular to a CuCr30 contact hardness testing rack.

Background

cu is copper, which has good ductility and high thermal conductivity and electrical conductivity, so that cu and electrical and electronic elements are the most commonly used materials, cr is chromium, high corrosion resistance is achieved, the cu and electrical and electronic elements can be protected by plating on metal, a contact is one of key components of a switching device, main performance and service life of the switching device are greatly dependent on the quality of contact materials, so that the contact materials are generally required to have good electrical conductivity, low contact resistance, high fusion welding resistance, high arc erosion resistance and material transfer resistance, and an alloy formed by combining cu and cr can be used as a material for manufacturing a cucr30 contact, and hardness of the contact needs to be tested by a hardness test bench before the cucr30 contact is put into use to judge whether the contact is qualified or not.

In the prior art, when performing hardness test on the CuCr30 contact, the CuCr30 contact needs to be placed on the test bench, and since the CuCr30 contact has different sizes and is inconvenient to limit or fix, when performing test on the CuCr30 contact, the CuCr30 contact is easy to deviate, the deviation can cause test failure, and further the efficiency of hardness test work is affected, so that it is highly needed to design a CuCr30 contact hardness test bench to solve the above problems.

Disclosure of Invention

The utility model aims to provide a CuCr30 contact hardness test rack, which solves the problems that the CuCr30 contacts have different sizes and are inconvenient to limit or fix, so that the CuCr30 contacts are easy to deviate when tested, the deviation can cause test failure and further influence the efficiency of hardness test work in the prior art.

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

the utility model provides a CuCr30 contact hardness test bench, includes the organism, the organism includes the board, the upper surface fixedly connected with telescopic cylinder of board, telescopic cylinder's output fixedly connected with testboard, the surface of board is provided with pressure sensor, pressure sensor's bottom is provided with the test head;

the inner side of the test bench is provided with a limiting mechanism, the limiting mechanism comprises a placing groove, the placing groove is formed in the inner side of the test bench, the inner side of the placing groove is movably connected with a limiting plate, and the surface of the limiting plate is fixedly connected with an anti-skid pad.

Preferably, the stop gear still includes the bull stick, bull stick swing joint is in the inboard of testboard, the fixed surface of bull stick is connected with first toper tooth, the inboard swing joint of testboard has the screw rod, the fixed surface of screw rod is connected with the second toper tooth, the surface threaded connection of screw rod has first movable block, the surface swing joint of first movable block has the connecting rod, the one end swing joint that first movable block was kept away from to the connecting rod has the connecting block, limiting plate fixed connection is at the upper surface of connecting block, and the spacing groove has been seted up to the inboard of testboard.

Preferably, the limiting plates are two groups of the limiting plates and are movably connected to the inner sides of the placing grooves, and the anti-skid pads are two groups of the limiting plates and are correspondingly connected with the limiting plates.

Preferably, one end of the connecting rod is movably connected with the first moving block through a rotating shaft, the other end of the connecting rod is movably connected with the connecting block through the rotating shaft, and the connecting block is movably connected with the inner side of the limiting groove.

Preferably, the inboard of board is provided with moving mechanism, moving mechanism includes the spout, the inboard at the board is seted up to the spout, the surface swing joint of spout has the movable plate, the inboard swing joint of movable plate has the reciprocating screw, the surface swing joint of reciprocating screw has the second movable block, pressure sensor sets up the bottom at the second movable block, the surface of movable plate is provided with the motor, the output fixed connection of reciprocating screw and motor, the inboard fixedly connected with gag lever post of movable plate, the inboard fixedly connected with electric putter of board, the output fixed connection of movable plate and electric putter, the movable slot has been seted up to the inboard of board.

Preferably, the limiting rod is in a rod shape and is movably connected with the second moving block, and the second moving block is movably connected with the inner side of the movable groove.

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

1. through the setting of standing groove, be convenient for place cucr30 contact for cucr30 contact is difficult for taking place to drop on the testboard, can realize through the rotation of bull stick that the second conical tooth drives the screw rod under the effect of first conical tooth simultaneously and rotates, and then can realize that first movable block removes and drive the connecting rod activity, reaches and carries out spacing effect through limiting plate to the cucr30 contact of standing groove inboard, and cucr30 contact takes place the skew when can avoiding carrying out the hardness test, can ensure hardness test's stability, and then hardness test work's efficiency is higher.

1. The reciprocating screw rod rotates to drive the second moving block to move, so that the left and right movement of the pressure sensor and the test head can be realized, the moving plate can be moved through the telescopic action of the electric push rod, the front and back movement of the pressure sensor and the test head can be realized, the hardness test can be realized on different positions of the cucr30 contact through the cooperation of the reciprocating screw rod and the electric push rod, the flexibility of the lifting test can be realized, and meanwhile, the tested data can be more accurate.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic side cross-sectional view of the structure of the test stand and screw of the present utility model;

fig. 4 is a schematic top sectional view showing the structure of the moving plate and the electric putter of the present utility model.

In the figure: 1. a machine table; 11. a telescopic cylinder; 12. a test bench; 13. a pressure sensor; 14. a test head; 2. a placement groove; 21. a rotating rod; 22. a first conical tooth; 23. a screw; 24. a second conical tooth; 25. a first moving block; 26. a connecting rod; 27. a connecting block; 28. a limiting plate; 29. an anti-slip pad; 210. a limit groove; 3. a chute; 31. a moving plate; 32. a reciprocating screw rod; 33. a second moving block; 34. a motor; 35. a limit rod; 36. an electric push rod; 37. a movable groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided:

the utility model provides a CuCr30 contact hardness test rack, which comprises a machine body, the organism includes board 1, the upper surface fixedly connected with flexible cylinder 11 of board 1, flexible cylinder 11's output fixedly connected with testboard 12, board 1's surface is provided with pressure sensor 13, pressure sensor 13's bottom is provided with test head 14, flexible cylinder 11 sets up on board 1's upper surface, through placing CuCr30 contact on testboard 12, drive testboard 12 through flexible cylinder 11 rises, make CuCr30 contact and test head 14 contact, can realize testing its hardness through pressure sensor 13;

the inboard of testboard 12 is provided with stop gear, and stop gear includes standing groove 2, and standing groove 2 is seted up in the inboard of testboard 12, and the inboard swing joint of standing groove 2 has limiting plate 28, and limiting plate 28's fixed surface is connected with slipmat 29, and standing groove 2 is seted up in the inboard of testboard 12, is convenient for place cucr30 contact for cucr30 contact is difficult for taking place to drop.

Further, stop gear still includes bull stick 21, bull stick 21 swing joint is in the inboard of testboard 12, the fixed surface of bull stick 21 is connected with first toper tooth 22, the inboard swing joint of testboard 12 has screw rod 23, the fixed surface of screw rod 23 is connected with second toper tooth 24, screw rod 23's surface threaded connection has first movable block 25, the surface swing joint of first movable block 25 has connecting rod 26, the one end swing joint that first movable block 25 was kept away from to connecting rod 26 has connecting block 27, limiting plate 28 fixed connection is at connecting block 27's upper surface, the spacing groove 210 has been seted up to the inboard of testboard 12, screw rod 23 swing joint is in the inboard of testboard 12, can realize that first movable block 25 carries out the position movement through the rotation of screw rod 23, and then can realize that connecting rod 26 moves under the effect of first movable block 25, and make connecting block 27 drive limiting plate 28 and remove, can realize limiting plate 28 to the cur 30 contact of different sizes and limit, the stability of cur 30 contact hardness test.

Further, limiting plate 28 is two sets of swing joint in the inboard of standing groove 2, and slipmat 29 is two sets of and limiting plate 28 corresponds to be connected, and limiting plate 28 sets up in the inboard of standing groove 2, can realize spacing the inboard cucr30 contact of standing groove 2 through being close to each other of limiting plate 28, and then the difficult skew that takes place for cucr30 contact when testing, can be better test.

Further, one end of the connecting rod 26 is movably connected with the first moving block 25 through the rotating shaft, the other end of the connecting rod 26 is movably connected with the connecting block 27 through the rotating shaft, the connecting block 27 is movably connected with the inner side of the limiting groove 210, the limiting groove 210 is arranged to limit the connecting block 27, the connecting block 27 can be prevented from being deviated under the action of the connecting rod 26, and then the connecting block 27 is convenient to drive the limiting plate 28 to move under the action of the connecting rod 26, so that the limiting of the cucr30 contact is realized.

Further, the inboard of board 1 is provided with moving mechanism, moving mechanism includes spout 3, the inboard at board 1 is seted up to spout 3, the surface swing joint of spout 3 has movable plate 31, the inboard swing joint of movable plate 31 has reciprocating screw 32, the surface swing joint of reciprocating screw 32 has second movable block 33, pressure sensor 13 sets up the bottom at second movable block 33, the surface of movable plate 31 is provided with motor 34, the output fixed connection of reciprocating screw 32 and motor 34, the inboard fixedly connected with gag lever post 35 of movable plate 31, the inboard fixedly connected with electric putter 36 of board 1, movable groove 37 has been seted up to the inboard of board 31, electric putter 36 and movable plate 31 fixed connection, through the flexible effect of electric putter 36, can realize that movable plate 31 carries out back-and-forth movement, the effect of cooperation second movable block 33 can realize that pressure sensor 13 and test head 14 carry out the left and right movement, and then can reach the effect of testing the different positions of cucr30, the flexibility of test has been promoted.

Further, the limiting rod 35 is in a rod shape and is movably connected with the second moving block 33, the second moving block 33 is movably connected with the inner side of the movable groove 37, the limiting rod 35 is fixedly connected with the inner side of the moving plate 31, the limiting effect on the second moving block 33 can be achieved, the second moving block 33 can be prevented from being deviated under the action of the reciprocating screw rod 32, further the second moving block 33 is convenient to drive the pressure sensor 13 and the testing head 14 to move left and right, and testing on different positions of the cucr30 is achieved.

Working principle: when the anti-slip device is used, a cucr30 contact is placed on the inner side of the placing groove 2, the first conical tooth 22 is rotated through the rotating rod 21, the second conical tooth 24 rotates under the action of the first conical tooth 22 and drives the screw 23 to rotate, the first moving block 25 moves in the vertical position in the rotating process of the screw 23 and drives the connecting rod 26 to move through the rotating shaft, the connecting block 27 slides on the inner side of the limiting groove 210, and then the two groups of limiting plates 28 are mutually close to each other and enable the anti-slip pad 29 and the surface of the cucr30 contact to be attached, so that the effect of limiting the cucr30 contact is achieved.

The output of motor 34 passes through the input electricity of wire and external power source to be connected, the staff starts motor 34 through the push switch, motor 34 operation makes reciprocating screw 32 rotate, second movable block 33 receives the spacing of gag lever post 35, can carry out horizontal position and remove under reciprocating screw 32's effect, realize that pressure sensor 13 and test head 14 carry out the side-to-side movement, the output of electric putter 36 passes through the input electricity of wire and external power source to be connected, the staff starts electric putter 36 through the push switch, electric putter 36 stretches and draws back and makes movable plate 31 slide at the surface of spout 3, and then second movable block 33 is under movable plate 31's effect of driving pressure sensor 13 and test head 14 and is carried out back-and-forth movement, through reciprocating screw 32 and electric putter 36's cooperation, reach the effect that tests the different positions of cucr30 contact through pressure sensor 13 and test head 14.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a CuCr30 contact hardness test bench, includes the organism, the organism includes board (1), the upper surface fixedly connected with telescopic cylinder (11) of board (1), the output fixedly connected with test bench (12) of telescopic cylinder (11), the surface of board (1) is provided with pressure sensor (13), the bottom of pressure sensor (13) is provided with test head (14);

the testing device is characterized in that a limiting mechanism is arranged on the inner side of the testing table (12), the limiting mechanism comprises a placing groove (2), the placing groove (2) is arranged on the inner side of the testing table (12), a limiting plate (28) is movably connected on the inner side of the placing groove (2), and an anti-slip pad (29) is fixedly connected on the surface of the limiting plate (28).

2. The CuCr30 contact hardness testing stand according to claim 1, wherein: stop gear still includes bull stick (21), bull stick (21) swing joint is in the inboard of testboard (12), the fixed surface of bull stick (21) is connected with first toper tooth (22), the inboard swing joint of testboard (12) has screw rod (23), the fixed surface of screw rod (23) is connected with second toper tooth (24), the surface screw thread of screw rod (23) is connected with first movable block (25), the surface swing joint of first movable block (25) has connecting rod (26), the one end swing joint that first movable block (25) was kept away from to connecting rod (26) has connecting block (27), limiting plate (28) fixed connection is at the upper surface of connecting block (27), and spacing groove (210) have been seted up to the inboard of testboard (12).

3. The CuCr30 contact hardness testing stand according to claim 1, wherein: the limiting plates (28) are movably connected to the inner sides of the placement grooves (2), and the anti-slip pads (29) are correspondingly connected with the limiting plates (28).

4. A CuCr30 contact hardness testing stand according to claim 2, wherein: one end of the connecting rod (26) is movably connected with the first moving block (25) through a rotating shaft, the other end of the connecting rod (26) is movably connected with the connecting block (27) through the rotating shaft, and the connecting block (27) is movably connected with the inner side of the limiting groove (210).

5. The CuCr30 contact hardness testing stand according to claim 1, wherein: the inside of board (1) is provided with moving mechanism, moving mechanism includes spout (3), the inboard at board (1) is seted up to spout (3), the surface swing joint of spout (3) has movable plate (31), the inboard swing joint of movable plate (31) has reciprocating lead screw (32), the surface swing joint of reciprocating lead screw (32) has second movable block (33), pressure sensor (13) set up the bottom at second movable block (33), the surface of movable plate (31) is provided with motor (34), the output fixed connection of reciprocating lead screw (32) and motor (34), the inboard fixedly connected with gag lever post (35) of movable plate (31), the inboard fixedly connected with electric putter (36) of board (1), the output fixed connection of movable plate (31) and electric putter (36), movable groove (37) has been seted up to the inboard of board (1).

6. The CuCr30 contact hardness testing stand according to claim 5, wherein: the limiting rod (35) is in a rod shape and is movably connected with the second moving block (33), and the second moving block (33) is movably connected with the inner side of the movable groove (37).