CN215374817U

CN215374817U - Electronic tension testing device

Info

Publication number: CN215374817U
Application number: CN202120869944.8U
Authority: CN
Inventors: 李柯
Original assignee: Chengdu Hejie Environmental Protection Engineering Co ltd
Current assignee: Chengdu Hejie Environmental Protection Engineering Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-31
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an electronic tension testing device which comprises a main body, wherein a computer, a bearing body and a bearing plate are sequentially arranged at the top end of the main body, a first sliding groove is formed in the top end of the bearing body, second clamping plates are oppositely arranged on the inner walls of two sides of the first sliding groove, a tension converter is fixedly connected to the outer side ends, located on the second clamping plates, of the bearing body, a tension conversion mechanism is arranged inside the tension converter, and a sliding frame is slidably connected to the top end of the bearing plate. According to the utility model, two ends of a test object are respectively clamped and fixed through the first clamping plate and the second clamping plate, the wire winding wheel is rotated, the wire winding wheel is matched with the leveling wheel to straighten the tension wire, the motor is started, the output shaft of the motor drives the second moving body to slide at the third groove of the main body through the second reciprocating screw rod and the second threaded sleeve, so that the sliding frame is driven to slide towards one end far away from the bearing body on the bearing plate to start testing the test object, and the testing accuracy is ensured.

Description

Electronic tension testing device

Technical Field

The utility model relates to the technical field of tension testing, in particular to an electronic tension testing device.

Background

After the welding of the welding device is finished, the object generally needs to be subjected to tension test on the welding part, so that the problem that the working strength of the welded object is influenced due to welding failure caused by incomplete welding or infirm welding is avoided.

Through retrieval, the chinese patent publication No. CN212586105U discloses an electronic tension tester, which comprises a bracket and a tray, wherein the bracket is detachably provided with an upper clamping member and a lower clamping member, both the upper clamping member and the lower clamping member can move along the height direction of the bracket, and the upper clamping member and the lower clamping member are used for respectively clamping two ends of an object to be tested, which are deviated from each other; the tray is detachably arranged on the bracket and is positioned between the upper clamping piece and the lower clamping piece; when the tray is located the bearing position, the tray is located under last holder, and the tray is used for the bearing junk.

The electronic tension tester in the above patent has the following disadvantages: the device only drives the test object clamped by the tray to carry out tension test through the lifting device, and the accuracy of test data cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an electronic tension testing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an electron pulling force testing arrangement, includes the main part, the top of main part is equipped with computer, supporting body, loading board in proper order, first slip recess has been seted up on the top of supporting body, and the both sides inner wall of first slip recess is provided with the second grip block relatively, go back fixedly connected with pulling force converter on the supporting body, the inside of pulling force converter is equipped with the pulling force shifter, the top sliding connection of loading board has the carriage, the carriage cross-section is H shape, includes the vertical riser of two perpendicular to loading boards and connects the horizontal diaphragm between two vertical risers, and the upper surface that the lower extreme of vertical riser passed the loading board forms tensile mechanism, and the upper end of vertical riser and horizontal diaphragm are located the upper surface of loading board and are equipped with fixture between two vertical risers of upper end.

Further, the tension conversion mechanism comprises a wire, the wire extends to the outside of the tension converter and is electrically connected with a computer, a first cavity extending horizontally is formed in one side of the tension converter, the bottom end of the first cavity is fixedly connected with a spring, the other end of the spring is fixedly connected with a tension line through a sliding body, a second groove is formed in the top wall and the bottom wall of the first cavity, elastic pieces are fixedly connected to the opening ends of the second groove respectively, resistance pieces are fixedly connected to the inner sides of the two elastic pieces respectively, the resistance pieces are electrically connected with the wire through guide blocks, and protruding blocks matched with the elastic pieces are fixedly connected to the top end and the bottom end of the sliding body respectively.

Furthermore, the lug and the elastic sheet are in an arc shape which is oppositely arranged.

Further, the pulling force converter is located the top and the equal fixedly connected with limiting plate in bottom of first cavity opening part, two all be provided with the leveling wheel between the relative internal surface of limiting plate, the pulling force line passes in the clearance entering first cavity between the leveling wheel and is connected with the sliding body, one side that the carriage carried on the back mutually is connected with the kinking wheel.

Furthermore, the clamping mechanism comprises a screw rod and a first clamping plate which are connected in a rotating mode, and the screw rod is connected with the sliding frame through a threaded through hole formed in the vertical plate.

Further, the tensile mechanism further comprises a motor and a second reciprocating screw rod, the motor and the second reciprocating screw rod are arranged inside the main body, the outer surface of the second reciprocating screw rod is connected with a second threaded sleeve, the outer surface of the second threaded sleeve is fixedly connected with a second moving body, the second moving body is fixedly connected with the lower end of a vertical plate of the sliding frame, a first sliding through hole is formed in the top end of the bearing plate, and the bearing plate is connected with the sliding frame at the first sliding through hole.

Furthermore, the inside rotation of supporting body is connected with first reciprocal lead screw, the screw thread is all established at the body of rod both ends of first reciprocal lead screw, and the direction of rotation of two sets of screw threads is opposite, the surface of first reciprocal lead screw threaded connection has the first thread bush that suits with two sets of screw threads respectively, the outside of first thread bush all is equipped with first moving body, the supporting body is in rotation groove department and first moving body sliding connection, two first moving body respectively with second grip block fixed connection.

Furthermore, the first clamping plate and the second clamping plate are both provided with anti-slip pads.

The utility model has the beneficial effects that:

1. through setting up carriage and motor, switch on, it is fixed through first grip block and second grip block centre gripping respectively with the both ends of test object, rotate the kinking wheel, the kinking wheel cooperation leveling wheel straightens the pulling force line, let the pulling force converter get into initial condition, the starter motor, the output shaft of motor passes through the reciprocal lead screw of second and the third groove sliding of second thread bush drive second moving body in the main part, thereby it slides towards the one end of keeping away from the supporting body on the loading board to drive the carriage, begin to test the test object this moment.

2. Through setting up resistance card and wire, the carriage drives the other end of test object through the second grip block and is keeping away from the supporting body and slide towards, and the pulling force line pulling slider this moment lets the lug extrude the flexure strip when the slider slides in the first cavity of pulling force converter, and the flexure strip deformation for the resistance card passes through the guide block and forms the route with the wire, and the computer is handled the big or small signal of electric current this moment, according to the resistance size in the electric current, judges the pulling force size with this.

3. The first reciprocating screw rod is rotated by arranging a first clamping plate and a second clamping plate, the first reciprocating screw rod drives two oppositely arranged first threaded sleeves to move relatively through two oppositely arranged reverse threaded groups of the first reciprocating screw rod, and the two oppositely arranged first threaded sleeves drive a first moving body to slide, so that the two oppositely arranged second clamping plates clamp one end of a test object; and rotating the two screw rods, rotating the screw rods at the threaded through holes of the sliding frame, and pushing the first clamping plates which are oppositely arranged to clamp the other end of the test object.

4. Through setting up the slipmat, when two first grip blocks and second grip blocks carry out the centre gripping to the test article respectively, the slipmat can utilize the elasticity of self to increase the centre gripping dynamics, utilize the wave stripe increase and test the frictional force between the object to further carry out the centre gripping to the test object.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an electronic tension test device according to the present invention;

FIG. 2 is a cross-sectional view of the overall structure of an electronic tension testing device according to the present invention;

FIG. 3 is a cross-sectional view of a carrier structure of an electronic tension test apparatus according to the present invention;

FIG. 4 is a cross-sectional view of a tension converter of an electronic tension testing device according to the present invention;

fig. 5 is a schematic overall structure diagram of another alternative embodiment of the electronic tension testing device according to the present invention.

In the figure: the device comprises a main body 1, a bearing body 2, a first reciprocating screw rod 3, a wire winding wheel 4, a screw rod 5, a sliding frame 6, a first clamping plate 7, a bearing plate 8, a tension line 9, a leveling wheel 10, a limiting plate 11, a tension converter 12, a second clamping plate 13, a computer 14, a lead wire 15, a first thread sleeve 16, a first moving body 17, a motor 18, a second reciprocating screw rod 19, a second thread sleeve 20, a second moving body 21, a spring 22, a sliding body 23, a bump 24, an elastic sheet 25, a guide block 26, a resistance sheet 27 and a non-slip mat 28.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The embodiments described below and the features of the embodiments can be combined with each other without conflict. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention, and the examples are only used for explaining the present invention and are not used for limiting the scope of the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, an electronic tension testing device comprises a main body 1, a computer 14 and a supporting body 2 fixedly connected to the top end of the main body 1 in sequence, loading board 8, first slip recess has been seted up on the top of supporting body 2, the both sides inner wall of first slip recess is provided with second grip block 13 relatively, the outside end fixedly connected with tension converter 12 that is located second grip block 13 on the supporting body 2 respectively, tension converter 12's inside is equipped with tension switching mechanism, loading board 8's top sliding connection has carriage 6, carriage 6 cross-section is H shape, including two vertical risers of perpendicular to loading board 8 and connect the horizontal diaphragm between two vertical risers, the upper surface that loading board 8 was passed to the lower extreme of vertical riser forms tension mechanism, the upper end of vertical riser is located and is equipped with fixture between two vertical risers of the upper surface of loading board 8 and upper end with the horizontal diaphragm.

The tension conversion mechanism comprises a lead 15, the lead 15 extends to the outside of the tension converter 12 and is electrically connected with a computer 14, a first cavity extending horizontally is formed in one side of the tension converter 12, the bottom end of the first cavity is fixedly connected with a spring 22, the other end of the spring 22 is fixedly connected with a tension wire 9 through a sliding body 23, the first cavity of the tension converter 12 is located in the sliding body 23 and is in sliding connection with the sliding body 23, opposite second grooves are formed in the top wall and the bottom wall of the first cavity, the opening ends of the second grooves are respectively and fixedly connected with elastic pieces 25, resistance pieces 27 are fixedly connected to the inner sides of the two elastic pieces 25, the resistance pieces 27 are electrically connected with the lead 15 through guide blocks 26, and protruding blocks 24 matched with the elastic pieces 25 are fixedly connected to the top end and the bottom end of the sliding body 23.

Preferably, the projection 24 and the elastic piece 25 are in a circular arc shape oppositely arranged, and preferably, the elastic piece 25 has a resetting resilience to reset the tension converter 12 after the test is finished.

The pulling force converter 12 is located the top and the equal fixedly connected with limiting plate 11 in bottom of first cavity opening part, all is provided with leveling wheel 10 between the relative internal surface of two limiting plate 11, and the pull wire 9 passes the clearance between leveling wheel 10 and gets into in the first cavity and be connected with slider 23, and one side top that the carriage 6 carried on the back mutually respectively with kinking wheel 4 threaded connection, and the winding of pull wire 9 is on kinking wheel 4.

The clamping mechanism comprises two screw rods 5 and two first clamping plates 7, the two first clamping plates 7 are respectively located on the opposite inner sides of the vertical plate, the opposite sides of the two first clamping plates 7 are respectively connected with the screw rods 5 in a rotating mode, and the screw rods 5 are respectively in threaded connection with the sliding frame 6 through threaded through holes formed in the vertical plate.

The tension mechanism comprises a motor 18 arranged inside the main body 1 and a second reciprocating screw rod 19 fixedly connected with an output shaft of the motor 18, a second threaded sleeve 20 is connected to the outer surface of the second reciprocating screw rod 19 in a threaded manner, the outer side of the second threaded sleeve 20 is fixedly connected with a second moving body 21, the second moving body 21 is fixedly connected with the lower end of a vertical plate of the sliding frame 6, a first sliding through hole is formed in the top end of the bearing plate 8, the bearing plate 8 is slidably connected with the sliding frame 6 at the first sliding through hole, and the tension mechanism is preferable and the motor 18 can adopt a variable speed motor.

The inside rotation of supporting body 2 is connected with first reciprocal lead screw 3, and the screw thread is all established at the body of rod both ends of first reciprocal lead screw 3, and the direction of rotation of two sets of screw threads is opposite, and the surface of first reciprocal lead screw 3 threaded connection respectively has the first thread bush 16 that suits with two sets of screw threads, the equal fixedly connected with first moving body 17 in the outside of first thread bush 16, and supporting body 2 is in rotation groove department and first moving body 17 sliding connection, two first moving body 17 respectively with second grip block 13 fixed connection.

The working principle is as follows: switching on a power supply, clamping and fixing two ends of a test object through a first clamping plate 7 and a second clamping plate 13 respectively, rotating a wire winding wheel 4, aligning a tension wire 9 by the wire winding wheel 4 in cooperation with a leveling wheel 10, enabling a tension converter 12 to enter an initial state, starting a motor 18, driving a second moving body 21 to slide at a third groove of a main body 1 through an output shaft of the motor 18 through a second reciprocating screw rod 19 and a second threaded sleeve 20, driving a sliding frame 6 to slide on a bearing plate 8 towards one end far away from a bearing body 2, and starting to test the test object at the moment;

the sliding frame 6 drives the other end of the test object to slide towards the direction far away from the bearing body 2 through the second clamping plate 13, at this time, the tension line 9 pulls the sliding body 23, when the sliding body 23 slides in the first cavity of the tension converter 12, the bump 24 extrudes the elastic sheet 25, the elastic sheet 25 deforms, so that the resistance sheet 27 forms a passage with the lead 15 through the guide block 26, at this time, the computer 14 processes a current magnitude signal, and the magnitude of the tension is judged according to the magnitude of the resistance in the current.

The first reciprocating screw rod 3 is rotated, the first reciprocating screw rod 3 drives two first thread sleeves 16 to move relatively through two oppositely arranged reverse thread groups of the first reciprocating screw rod, and the first thread sleeves 16 drive a first moving body 17 to slide, so that one end of a test object is clamped by two oppositely arranged second clamping plates 13; and (3) rotating the two screws 5, wherein the screws 5 rotate at the threaded through holes of the sliding frame 6, and pushing the first clamping plates 7 which are oppositely arranged to clamp the other end of the test object.

Referring to fig. 5, in another optional manner of the present invention, in order to increase the practicability of the apparatus, the inner side surfaces of the two first clamping plates 7 and the second clamping plate 13 are both provided with a non-slip mat 28, preferably, the non-slip mat 28 may be a rubber mat, preferably, one side of the rubber mat is in a wave stripe shape, and when the two first clamping plates 7 and the second clamping plate 13 respectively clamp a test object, the rubber mat 28 can increase the clamping force by using its own elasticity, and increase the friction force between the test object and the test object by using the wave stripe, so as to further clamp the test object.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an electron pulling force testing arrangement, includes main part (1), its characterized in that, the top of main part (1) is equipped with computer (14), supporting body (2), loading board (8) in proper order, first slip recess has been seted up on the top of supporting body (2), and the both sides inner wall of first slip recess is provided with second grip block (13) relatively, go back fixedly connected with pulling force converter (12) on supporting body (2), the inside of pulling force converter (12) is equipped with the pulling force transducer, the top sliding connection of loading board (8) has carriage (6), carriage (6) cross-section is the H shape, includes the vertical riser of two perpendicular to loading board (8) and connects the horizontal diaphragm between two vertical risers, and the upper surface that the lower extreme of vertical riser passed loading board (8) forms tensile mechanism, and the upper end and the horizontal diaphragm of vertical riser are located the upper surface of loading board (8) and are equipped with the upper end between two vertical risers A clamping mechanism.

2. An electronic tensile testing device according to claim 1 wherein the tensile conversion mechanism comprises a conductive wire (15), the lead (15) extends to the outside of the tension converter (12) and is electrically connected with the computer (14), a first cavity extending horizontally is formed in one side of the tension converter (12), the bottom end of the first cavity is fixedly connected with a spring (22), the other end of the spring (22) is fixedly connected with the tension line (9) through a sliding body (23), the top wall and the bottom wall of the first cavity are provided with opposite second grooves, the open ends of the second grooves are respectively and fixedly connected with elastic pieces (25), the inner sides of the two elastic pieces (25) are respectively and fixedly connected with a resistance card (27), the resistance sheet (27) is electrically connected with the lead (15) through the guide block (26), the top end and the bottom end of the sliding body (23) are fixedly connected with a lug (24) matched with the elastic sheet (25).

3. An electronic tensile testing device according to claim 2, wherein the projection (24) and the elastic piece (25) are in the shape of a circular arc which is oppositely arranged.

4. The electronic tension test device according to claim 2, wherein the tension converter (12) is fixedly connected with limiting plates (11) at the top end and the bottom end of the opening of the first cavity, leveling wheels (10) are arranged between the opposite inner surfaces of the two limiting plates (11), the tension line (9) passes through a gap between the leveling wheels (10) to enter the first cavity and is connected with the sliding body (23), and the reverse side of the sliding frame (6) is connected with the winding wheel (4).

5. The electronic tension test device according to claim 1, wherein the clamping mechanism comprises a screw (5) and a first clamping plate (7) which are rotatably connected, and the screw (5) is connected with the sliding frame (6) through a threaded through hole formed in the vertical plate.

6. The electronic tension testing device according to claim 1, wherein the tension mechanism further comprises a motor (18) and a second reciprocating screw rod (19) which are arranged inside the main body (1), the outer surface of the second reciprocating screw rod (19) is connected with a second threaded sleeve (20), the outer surface of the second threaded sleeve (20) is fixedly connected with a second moving body (21), the second moving body (21) is fixedly connected with the lower end of a vertical plate of the sliding frame (6), the top end of the bearing plate (8) is provided with a first sliding through hole, and the bearing plate (8) is connected with the sliding frame (6) at the first sliding through hole.

7. The electronic tension test device according to claim 5, wherein a first reciprocating screw rod (3) is rotatably connected inside the supporting body (2), both ends of a rod body of the first reciprocating screw rod (3) are provided with threads, the rotation directions of the two sets of threads are opposite, a first thread sleeve (16) matched with the two sets of threads is respectively and threadedly connected to the outer surface of the first reciprocating screw rod (3), a first moving body (17) is arranged outside the first thread sleeve (16), the supporting body (2) is slidably connected with the first moving body (17) at a rotating groove, and the two first moving bodies (17) are respectively and fixedly connected with the second clamping plate (13).

8. An electronic tension testing device according to claim 7, wherein the first clamping plate (7) and the second clamping plate (13) are provided with anti-slip pads (28).