CN219552154U - CuCr30 contact hardness test bench - Google Patents

Abstract

The utility model relates to the technical field of contact hardness testing, in particular to a CuCr30 contact hardness testing platform, which includes a body, the body includes a machine platform, and the upper surface of the machine platform is fixedly connected with a telescopic cylinder, the telescopic cylinder The output end of the test bench is fixedly connected with a test bench, the surface of the machine bench is provided with a pressure sensor, and the bottom end of the pressure sensor is provided with a test head; the inner side of the test bench is provided with a limit mechanism. The utility model facilitates the placement of the cucr30 contact through the setting of the placement groove, so that the cucr30 contact is not easy to fall off on the test bench, and at the same time, the rotation of the rotating rod can realize that the second conical tooth is in the position of the first conical tooth. Drive the screw to rotate under the action, and then can realize the movement of the first moving block and drive the connecting rod to move, so as to achieve the effect of limiting the position of the cucr30 contact inside the placement groove through the limit plate, which can avoid the deflection of the cucr30 contact during the hardness test. Shift, can guarantee the stability of the hardness test.

Description

A 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 platform.

Background technique

Cu is copper, which has good ductility, high thermal conductivity and electrical conductivity, so it is the most commonly used material in cables, electrical and electronic components, and cr is chromium, which has high corrosion resistance and can be plated on metal for protection , The contact is one of the key components of the switching device. The main performance and life of the switching device depend to a large extent on the quality of the contact material. Therefore, the contact material is usually required to have good electrical conductivity, low Excellent contact resistance, high resistance to fusion welding, high arc corrosion resistance and material transfer resistance. The alloy made by combining cu and cr can be used as the material for making cucr30 contacts. In the case of cucr30 contacts Before it is put into use, it is necessary to test the hardness of the contact through a hardness test bench to judge whether it is qualified.

In the prior art, when testing the hardness of the cucr30 contact, it is necessary to place the cucr30 contact on the test bench, because the cucr30 contact has different sizes, and it is not convenient to limit or fix it, which will make the cucr30 contact When the cucr30 contact is tested, the cucr30 contact is prone to offset, which will lead to test failure and affect the efficiency of the hardness test. Therefore, it is urgent to design a CuCr30 contact hardness test bench to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of CuCr30 contact hardness test platform, to solve the above-mentioned background technology because the cucr30 contact has different sizes, and it is not convenient to limit or fix it, it will make the cucr30 When the contact is tested, the cucr30 contact is prone to offset, and the offset will cause the test to fail, which will affect the efficiency of the hardness test.

In order to achieve the above object, the utility model provides the following technical solutions,

A kind of CuCr30 contact hardness test bench, comprises body, and described body comprises machine platform, and the upper surface of described machine platform is fixedly connected with telescopic cylinder, and the output end of described telescopic cylinder is fixedly connected with test platform, and described machine platform A pressure sensor is provided on the surface of the pressure sensor, and a test head is provided at the bottom end of the pressure sensor;

The inner side of the test bench is provided with a limit mechanism, the limit mechanism includes a placement groove, the placement groove is opened on the inner side of the test bench, the inner side of the placement groove is movably connected with a limit plate, and the surface of the limit plate Fixed connections have non-slip pads.

Preferably, the limiting mechanism further includes a rotating rod, the rotating rod is movably connected to the inner side of the test platform, the surface of the rotating rod is fixedly connected with first conical teeth, and the inner side of the testing platform is movably connected to a screw rod , the surface of the screw rod is fixedly connected with a second conical tooth, the surface of the screw rod is threadedly connected with a first moving block, the surface of the first moving block is movably connected with a connecting rod, and the connecting rod is far away from the first moving block One end of the block is movably connected with a connecting block, the limiting plate is fixedly connected to the upper surface of the connecting block, and a limiting slot is provided on the inner side of the test bench.

Preferably, the limiting plates are movably connected to the inner side of the placement groove in two groups, and the anti-skid pads are connected in two groups to the limiting plates correspondingly.

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

Preferably, the inside of the machine table is provided with a moving mechanism, the moving mechanism includes a chute, the chute is set on the inside of the machine table, the surface of the chute is movably connected with a moving plate, and the moving plate The inner side is movably connected with a reciprocating screw rod, the surface of the reciprocating screw rod is movably connected with a second moving block, the pressure sensor is arranged at the bottom of the second moving block, the surface of the moving plate is provided with a motor, and the reciprocating The screw rod is fixedly connected to the output end of the motor, the inner side of the moving plate is fixedly connected to the limit rod, the inner side of the machine table is fixedly connected to the electric push rod, and the output end of the moving plate is fixedly connected to the electric push rod. The inner side of the machine table is provided with a movable slot.

Preferably, the limiting rod is rod-shaped and is movably connected to the second moving block, and the second moving block is movably connected to the inner side of the movable groove.

Compared with the prior art, the beneficial effects of the utility model are:

1. Through the setting of the placement groove, it is convenient to place the cucr30 contact, so that the cucr30 contact is not easy to fall off on the test bench, and at the same time, the role of the second conical tooth on the first conical tooth can be realized by the rotation of the rotating rod The bottom drives the screw to rotate, thereby realizing the movement of the first moving block and driving the connecting rod to move, achieving the effect of limiting the position of the cucr30 contact inside the placement slot through the limit plate, which can avoid the deviation of the cucr30 contact during the hardness test , can guarantee the stability of the hardness test, and then the efficiency of the hardness test work is higher.

1. The second moving block is driven by the rotation of the reciprocating screw to move the pressure sensor and the test head left and right. Through the telescopic effect of the electric push rod, the movement of the moving plate can be realized, and then the pressure sensor and the test head can be moved. Moving back and forth, through the cooperation of the reciprocating screw and the electric push rod, the hardness test of different positions of the cucr30 contact can be realized through the pressure sensor and the test head, which can improve the flexibility of the test and make the test data more accurate.

Description of drawings

Fig. 1 is the front view sectional schematic diagram of structure of the present utility model;

Fig. 2 is the enlarged structural schematic diagram of A place in Fig. 1 of the utility model;

Fig. 3 is the side view sectional schematic diagram of the structure of the utility model test bench and screw rod;

Fig. 4 is a top view sectional schematic diagram of the structure of the moving plate and the electric push rod of the present invention.

In the figure: 1. machine platform; 11. telescopic cylinder; 12. test bench; 13. pressure sensor; 14. test head; 24, the second conical tooth; 25, the first moving block; 26, the connecting rod; 27, the connecting block; 28, the limit plate; 29, the anti-skid pad; 210, the limit groove; 3, the chute; 32, reciprocating screw rod; 33, second moving block; 34, motor; 35, limit rod; 36, electric push rod; 37, movable slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-4, a kind of embodiment provided by the utility model:

A CuCr30 contact hardness test bench, including a body, the body includes a machine platform 1, the upper surface of the machine platform 1 is fixedly connected with a telescopic cylinder 11, the output end of the telescopic cylinder 11 is fixedly connected with a test platform 12, and the surface of the machine platform 1 A pressure sensor 13 is provided, and the bottom end of the pressure sensor 13 is provided with a test head 14. The telescopic cylinder 11 is arranged on the upper surface of the machine table 1. By placing the cucr30 contact on the test table 12, the test table is driven by the telescopic cylinder 11. 12 rises to make the cucr30 contact contact with the test head 14, so that the hardness can be tested by the pressure sensor 13;

The inboard of test bench 12 is provided with limit mechanism, and limit mechanism comprises placement groove 2, and placement groove 2 is opened on the inboard of test bench 12, and the inboard of placement groove 2 is connected with limit plate 28 movably, and the surface of limit plate 28 is fixedly connected with Anti-skid pad 29, placement groove 2 is offered on the inner side of test bench 12, is convenient to place cucr30 contact, makes cucr30 contact not easy to drop.

Further, the limit mechanism also includes a rotating rod 21, which is movably connected to the inner side of the test platform 12, the surface of the rotating rod 21 is fixedly connected with a first conical tooth 22, and the inner side of the test platform 12 is movably connected to a screw rod 23, The surface of the screw rod 23 is fixedly connected with a second conical tooth 24, the surface of the screw rod 23 is threadedly connected with a first moving block 25, and the surface of the first moving block 25 is movably connected with a connecting rod 26, and the connecting rod 26 is far away from the first moving block 25 One end of the connecting block 27 is movably connected, and the limiting plate 28 is fixedly connected to the upper surface of the connecting block 27. The inner side of the test stand 12 is provided with a limit groove 210, and the screw 23 is movably connected to the inner side of the test stand 12. Through the rotation of the screw rod 23 The first moving block 25 can be moved in position, and then the connecting rod 26 can be moved under the action of the first moving block 25, and the connecting block 27 can drive the stop plate 28 to move, so that the position of the stop plate 28 can be adjusted to different sizes. The cucr30 contact is limited to ensure the stability of the cucr30 contact hardness test.

Further, the limiting plate 28 is two groups of movably connected on the inner side of the placement groove 2, and the anti-skid pad 29 is connected in two groups with the limiting plate 28 correspondingly, the limiting plate 28 is arranged on the inner side of the placing groove 2, through the limiting plate 28 The proximity of the cucr30 contacts on the inner side of the placement slot 2 can be used to limit the position of the cucr30 contacts, so that the cucr30 contacts are not easy to deviate during the test, and the test can be performed better.

Further, one end of the connecting rod 26 is movably connected to the first moving block 25 through a rotating shaft, and the other end of the connecting rod 26 is movably connected to the connecting block 27 through a rotating shaft, and the connecting block 27 is movably connected to the inner side of the limiting groove 210, and the limiting groove The setting of 210 can limit the connection block 27, and can avoid the deviation of the connection block 27 under the action of the connection rod 26, so that the connection block 27 can drive the limit plate 28 to move under the action of the connection rod 26, so as to realize the movement of the connection block 27. Cucr30 contact limit.

Further, the inner side of the machine platform 1 is provided with a moving mechanism, the moving mechanism includes a chute 3, the chute 3 is opened on the inner side of the machine platform 1, the surface of the chute 3 is movably connected with a moving plate 31, and the inner side of the moving plate 31 is movably connected There is a reciprocating screw mandrel 32, the surface of the reciprocating screw mandrel 32 is movably connected with a second moving block 33, the pressure sensor 13 is arranged on the bottom end of the second moving block 33, the surface of the moving plate 31 is provided with a motor 34, the reciprocating screw mandrel 32 and The output end of the motor 34 is fixedly connected, the inner side of the moving plate 31 is fixedly connected with the limit rod 35, the inner side of the machine table 1 is fixedly connected with an electric push rod 36, and the output ends of the moving plate 31 and the electric push rod 36 are fixedly connected, and the machine table 1 There is a movable groove 37 on the inner side of the push rod 36, and the electric push rod 36 is fixedly connected with the moving plate 31. Through the telescopic effect of the electric push rod 36, the moving plate 31 can be moved back and forth, and the pressure sensor can be realized by cooperating with the second moving block 33. 13 and the test head 14 move left and right, so that the effect of testing different positions of the cucr30 contact can be achieved, and the flexibility of the test is improved.

Further, the limit rod 35 is rod-shaped and is movably connected to the second moving block 33, the second moving block 33 is movably connected to the inner side of the movable groove 37, and the limit rod 35 is fixedly connected to the inner side of the moving plate 31, so that the second The moving block 33 acts as a limiter, which can prevent the second moving block 33 from shifting under the action of the reciprocating screw rod 32, thereby facilitating the second moving block 33 to drive the pressure sensor 13 and the test head 14 to move left and right, realizing Different positions of cucr30 were tested.

Working principle: when in use, place the cucr30 contact on the inner side of the slot 2, turn the rotating rod 21 to make the first conical tooth 22 rotate, and the second conical tooth 24 will rotate under the action of the first conical tooth 22 And drive the screw rod 23 to rotate, the first moving block 25 moves vertically during the rotation of the screw rod 23, and drives the connecting rod 26 to move through the rotating shaft, so that the connecting block 27 slides on the inner side of the limiting groove 210, and then two groups The limiting plates 28 are close to each other and make the anti-skid pad 29 and the surface of the cucr30 contact adhere to each other, so as to achieve the effect of limiting the position of the cucr30 contact.

The output terminal of motor 34 is electrically connected with the input terminal of external power supply by lead wire, and the staff starts motor 34 by pressing switch, and motor 34 runs and makes reciprocating screw mandrel 32 rotate, and the second moving piece 33 is subjected to the limit of limit bar 35, will Under the action of the reciprocating screw rod 32, the horizontal position moves to realize the left and right movement of the pressure sensor 13 and the test head 14. The output end of the electric push rod 36 is electrically connected to the input end of the external power supply through a wire, and the staff starts the electric push rod by pressing the switch. The push rod 36 and the electric push rod 36 stretch to make the moving plate 31 slide on the surface of the chute 3, and then the second moving block 33 drives the pressure sensor 13 and the test head 14 to move back and forth under the action of the moving plate 31. 32 and the electric push rod 36 cooperate to achieve the effect of testing different positions of the cucr30 contact through the pressure sensor 13 and the test head 14.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A CuCr30 contact hardness test stand, comprising a body, the body comprising a machine platform (1), the upper surface of the machine platform (1) is fixedly connected with a telescopic cylinder (11), and the telescopic cylinder (11 ) is fixedly connected to a test bench (12), the surface of the machine table (1) is provided with a pressure sensor (13), and the bottom end of the pressure sensor (13) is provided with a test head (14); It is characterized in that a limit mechanism is provided on the inner side of the test platform (12), and the limit mechanism includes a placement groove (2), and the placement groove (2) is opened on the inner side of the test platform (12), and the placement The inner side of the slot (2) is movably connected with a limiting plate (28), and the surface of the limiting plate (28) is fixedly connected with an anti-skid pad (29). 2. A CuCr30 contact hardness test bench according to claim 1, characterized in that: the limit mechanism also includes a rotating rod (21), and the rotating rod (21) is movably connected to the test bench (12 ), the surface of the rotating rod (21) is fixedly connected with a first conical tooth (22), the inner side of the test bench (12) is movably connected with a screw (23), and the surface of the screw (23) The second conical tooth (24) is fixedly connected, the surface of the screw rod (23) is threadedly connected with the first moving block (25), and the surface of the first moving block (25) is movably connected with a connecting rod (26) , the end of the connecting rod (26) away from the first moving block (25) is movably connected to the connecting block (27), the limiting plate (28) is fixedly connected to the upper surface of the connecting block (27), and the test bench ( 12) A limiting slot (210) is provided on the inner side. 3. A CuCr30 contact hardness test bench according to claim 1, characterized in that: the limit plate (28) is connected in two groups to the inner side of the placement groove (2), and the anti-skid pad ( 29) are two groups and correspondingly connected with the limiting plate (28). 4. A CuCr30 contact hardness test bench according to claim 2, characterized in that: one end of the connecting rod (26) is movably connected to the first moving block (25) through a rotating shaft, and the connecting rod ( The other end of 26) is movably connected to the connection block (27) through the rotating shaft, and the connection block (27) is movably connected to the inner side of the limiting groove (210). 5. A CuCr30 contact hardness test bench according to claim 1, characterized in that: the inner side of the machine (1) is provided with a moving mechanism, the moving mechanism includes a chute (3), the The chute (3) is set on the inner side of the machine (1), the surface of the chute (3) is movably connected with a moving plate (31), and the inner side of the moving plate (31) is movably connected with a reciprocating screw rod (32 ), the surface of the reciprocating screw rod (32) is movably connected with a second moving block (33), the pressure sensor (13) is arranged at the bottom end of the second moving block (33), and the moving plate (31) A motor (34) is provided on the surface of the motor (34), the reciprocating screw rod (32) is fixedly connected to the output end of the motor (34), the inner side of the moving plate (31) is fixedly connected to the limit rod (35), and the machine table The inner side of (1) is fixedly connected with an electric push rod (36), the moving plate (31) is fixedly connected with the output end of the electric push rod (36), and the inner side of the machine (1) is provided with a movable slot (37 ). 6. A CuCr30 contact hardness test bench according to claim 5, characterized in that: the limit rod (35) is rod-shaped and is movably connected with the second moving block (33), and the second moving block Block (33) is movably connected to the inboard of movable groove (37).