CN218974027U

CN218974027U - Device with pressure measurement and tension measurement functions

Info

Publication number: CN218974027U
Application number: CN202320147879.7U
Authority: CN
Inventors: 顾小魏
Original assignee: Hangzhou Pangxingxing Technology Co ltd
Current assignee: Hangzhou Pangxingxing Technology Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-05
Anticipated expiration: 2033-01-12

Abstract

The utility model relates to a device for simultaneously measuring pressure and tension, which comprises a tension tester, wherein the tension tester is mainly divided into four parts of a bottom plate, a threaded rod, a supporting plate and the tension tester, and the threaded rod is fixedly arranged on the top side of the bottom plate. The utility model relates to the technical field of tensile force testing devices. When the tension tester is used for testing, the clamping assembly, the adjusting unit, the pressure testing assembly and the driving unit are matched, so that when the tension tester is used for testing the tension of a product, the downward moving pressure of the tension tester is synchronously tested, and whether the internal parts of the tension tester need to be replaced or not can be timely judged according to the comparison of the pressure data and the tension data, so that the accuracy of the tension tester can be recovered by replacing the internal parts, and the deviation of the test data of part of tested parts can be avoided.

Description

Device with pressure measurement and tension measurement functions

Technical Field

The utility model relates to the technical field of tension testing devices, in particular to a device with pressure measurement and tension measurement functions.

Background

The deformation of the object under the action of external force is in direct proportion to the external force, and the deformation varies with the direction of the action of the force, so that the force extending the object is called tensile force or tension, and after part of products are produced, the tensile force which can be born by the products is required to be tested by a tensile force testing device.

After the tensile tester is used for a long time, due to the change tensile force of the internal part, the detection of the tensile tester can generate certain deviation, the accuracy of the tensile tester can be recovered only by replacing the internal part, the existing tensile testing device generally judges the replacement time of the internal part of the tensile testing device according to whether the pointer is reset, and the pointer change of the tester can be reflected only when the pointer deviation needs to be larger than the tensile testing device, so that an operator can not timely replace the internal part to recover the accuracy of the tensile tester, and the deviation of test data of a part of test pieces is caused.

Disclosure of Invention

According to the shortcomings of the prior art, the present utility model is directed to a device with both pressure measurement and tension measurement, so as to solve the problems set forth in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a device that has pressure measurement and survey pulling force simultaneously, includes the tensile testing machine, the tensile testing machine mainly divide into four parts of bottom plate, threaded rod, backup pad and tensile testing machine, the fixed top side of installing in the bottom plate of threaded rod, the intermediate position department of threaded rod periphery side is located to tensile testing machine thread bush, the top of threaded rod is located to backup pad thread bush, the bottom plate top side corresponds the position department of tensile testing machine and has installed the fixed plate through the bolt fastening, the square pole has been installed to the fixed top side of fixed plate, the push rod is worn to be equipped with in the top side sliding of square pole, the push rod top side is equipped with adjusting unit, the below of push rod is equipped with drive unit, the periphery side of square pole is equipped with pressure testing subassembly, the bottom side of backup pad is equipped with clamping assembly.

The present utility model may be further configured in a preferred example to: the clamping assembly comprises a top plate, the top plate is rotatably arranged at the position of the bottom side of the supporting plate, corresponding to the tensile tester, a plurality of mounting holes are relatively formed in the top plate, two product fixing frames are relatively arranged below the top plate, the top of each product fixing frame penetrates through the corresponding mounting hole and is rotatably connected with the top plate, and two elastic rubber strips are relatively arranged on each product fixing frame.

Through adopting above-mentioned technical scheme, through the mutually supporting of product mount and elastic rubber strip, the centre gripping direction that the adjustment test produced, and then the inclination and the centrobaric adjustment of adjustment test product have made things convenient for the tensile tester to the fixed pulling of product.

The present utility model may be further configured in a preferred example to: the adjusting unit comprises a threaded shaft, the threaded shaft is threaded on the top end of the push rod in a penetrating mode, and a soft plate is fixedly arranged on the top end of the threaded shaft.

Through adopting above-mentioned technical scheme, adjust the interval between flexible board and the push rod through the rotation of screw spindle, and then adjust the whole length of push rod, made things convenient for the position adjustment of tensile tester.

The present utility model may be further configured in a preferred example to: the pressure testing assembly comprises a transparent ring, the periphery side of square pole is located to the transparent ring cover, the fixed scale board that wears to be equipped with relatively on the periphery wall of square pole, scale board and the interior rampart sliding connection of transparent ring, the top relative fixed of transparent ring has installed a plurality of interior poles, the top slip cap of interior pole is equipped with the urceolus, and urceolus and square pole fixed connection, the push pedal has been installed to the top fixed of interior pole, and push pedal and the inner wall sliding connection who corresponds the urceolus, the sealing ring has been installed to the periphery side fixed of push pedal.

Through adopting above-mentioned technical scheme, through the mutually supporting of transparent ring and scale plate for the operator can carry out the judgement of pressure value according to the scale plate, has made things convenient for the operator to carry out pressure value and pulling force value contrast.

The present utility model may be further configured in a preferred example to: the ball is worn to rotate relatively on the inner wall of transparent ring, the guide way has been seted up to the position department that corresponds a plurality of balls on the outer wall of square pole, and the ball is located the one end that corresponds the transparent ring and inserts in the guide way that corresponds.

Through adopting above-mentioned technical scheme, carry out the restraint of transparent ring movement track through the mutually supporting of ball and guide way to offset the most frictional force between transparent ring and the square pole, made things convenient for the position adjustment of transparent ring.

The present utility model may be further configured in a preferred example to: the driving unit comprises a piston plate, a sliding groove is formed in the square rod at the position corresponding to the push rod, the bottom end of the push rod is inserted into the sliding groove and fixedly connected with the piston plate, a spring is arranged between the piston plate and the inner wall of the sliding groove, two ends of the spring are fixedly connected with the piston plate and the inner wall of the sliding groove respectively, and the inner part of the outer cylinder is communicated with the inner part of the sliding groove through a connecting pipe.

Through adopting above-mentioned technical scheme, through the mutually supporting of piston plate and connecting pipe for the rising of the process control transparent ring when the push rod descends, and through the spring promotion push rod reset after losing external pressure, need not set up extra power supply.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the tensile force tester is used for testing, the clamping assembly, the adjusting unit, the pressure testing assembly and the driving unit are matched, so that when the tensile force tester is used for testing the tensile force of a product, the downward pressure of the tensile force tester is synchronously tested, and whether the internal parts of the tensile force tester need to be replaced or not can be timely judged according to the comparison of the pressure data and the tensile force data, so that the accuracy of the tensile force tester can be recovered by replacing the internal parts, and further, the deviation of the test data of part of tested parts is avoided;

2. the constraint of the movement track of the transparent ring is carried out through the mutual matching of the ball and the guide groove, most friction force between the transparent ring and the square rod is counteracted, and the position adjustment of the transparent ring is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the overall structure of the product holder of the present embodiment;

FIG. 3 is a schematic view of the overall structure of the square bar of the present embodiment;

FIG. 4 is a schematic view of the internal structure of the square rod of the present embodiment;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4 of the present embodiment.

In the figure, 1, a tensile force testing machine; 11. a bottom plate; 12. a threaded rod; 13. a support plate; 14. a tensile tester; 2. a fixing plate; 3. a clamping assembly; 31. a top plate; 32. a mounting hole; 33. a product fixing frame; 34. an elastic rubber strip; 4. an adjusting unit; 41. a threaded shaft; 42. a flexible board; 5. a pressure testing assembly; 51. a transparent ring; 52. a scale plate; 53. an inner rod; 54. an outer cylinder; 55. a push plate; 56. a seal ring; 57. a ball; 58. a guide groove; 6. a driving unit; 61. a chute; 62. a piston plate; 63. a spring; 64. a connecting pipe; 7. square rods; 8. a push rod.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples:

referring to fig. 1-5, the device for simultaneously measuring pressure and tension disclosed by the utility model comprises a tension tester 1, wherein the tension tester 1 is mainly divided into four parts, namely a bottom plate 11, a threaded rod 12, a supporting plate 13 and a tension tester 14, the threaded rod 12 is fixedly arranged on the top side of the bottom plate 11, the tension tester 14 is in threaded sleeve arrangement at the middle position of the peripheral side of the threaded rod 12, the tension tester 14 is mainly divided into an adjusting mechanism and a testing mechanism, the tension tester 14 is provided with the adjusting mechanism, a handle of the adjusting mechanism is pressed downwards to control the testing mechanism to move downwards, the supporting plate 13 is in threaded sleeve arrangement at the top of the threaded rod 12, a fixing plate 2 is fixedly arranged at the position of the top side of the bottom plate 11 corresponding to the tension tester 14 through a bolt, a square rod 7 is fixedly arranged at the top side of the fixing plate 2, a push rod 8 is slidably arranged at the top side of the square rod 7, and an adjusting unit 4 is arranged at the top side of the push rod 8. The adjusting unit 4 comprises a threaded shaft 41, the threaded shaft 41 is threaded through the top end of the push rod 8, a soft plate 42 is fixedly arranged on the top end of the threaded shaft 41, and the soft plate 42 is a plastic plate. The distance between the soft board 42 and the push rod 8 is adjusted by the rotation of the threaded shaft 41, so that the whole length of the push rod 8 is adjusted.

A driving unit 6 is arranged below the push rod 8. The driving unit 6 comprises a piston plate 62, a sliding groove 61 is formed in the square rod 7 at a position corresponding to the push rod 8, filling liquid is filled in the sliding groove 61, the bottom end of the push rod 8 is inserted into the sliding groove 61 and fixedly connected with the piston plate 62, the outer peripheral wall of the piston plate 62 is in interference fit with the inner wall of the sliding groove 61, a spring 63 is arranged between the piston plate 62 and the inner wall of the sliding groove 61, two ends of the spring 63 are fixedly connected with the piston plate 62 and the inner wall of the sliding groove 61 respectively, the inside of the outer barrel 54 is communicated with the inside of the sliding groove 61 through a connecting pipe 64, and the top end opening of the connecting pipe 64 is positioned below the corresponding push plate 55. The piston plate 62 and the connecting pipe 64 are matched with each other, so that the transparent ring 51 is controlled to rise during the descending of the push rod 8, and the push rod 8 is pushed by the spring 63 to reset after the external pressing is lost.

The outer circumference side of the square rod 7 is provided with a pressure testing component 5. The pressure testing assembly 5 comprises a transparent ring 51, the transparent ring 51 is sleeved on the outer peripheral side of the square rod 7, a scale plate 52 is relatively fixedly arranged on the outer peripheral wall of the square rod 7 in a penetrating manner, the scale plate 52 is in sliding connection with the inner annular wall of the transparent ring 51, a plurality of inner rods 53 are relatively fixedly arranged at the top end of the transparent ring 51, an outer cylinder 54 is sleeved on the top of the inner rod 53 in a sliding manner, the outer cylinder 54 is fixedly connected with the square rod 7, a sealing ring for sealing a gap between the inner rod 53 and the outer cylinder 54 is arranged between the inner rod 53 and the outer cylinder 54, a push plate 55 is fixedly arranged at the top end of the inner rod 53, the push plate 55 is in sliding connection with the inner wall of the corresponding outer cylinder 54, a sealing ring 56 for sealing the gap between the push plate 55 and the inner wall of the corresponding outer cylinder 54 is fixedly arranged on the outer peripheral side of the push plate 55, balls 57 are relatively rotatably arranged on the inner wall of the transparent ring 51 in a penetrating manner, guide grooves 58 are formed in positions of the outer wall of the square rod 7, and one ends of the balls 57 are located outside the corresponding transparent ring 51 and are inserted into the corresponding guide grooves 58. Through the mutual matching of the transparent ring 51 and the scale plate 52, an operator can judge the pressure value according to the scale plate 52, and the mutual matching of the ball 57 and the guide groove 58 can restrict the movement track of the transparent ring 51 and counteract most of friction force between the transparent ring 51 and the square rod 7.

The bottom side of the support plate 13 is provided with a clamping assembly 3. The clamping assembly 3 comprises a top plate 31, the top plate 31 is rotatably arranged at the bottom side of the supporting plate 13 corresponding to the position of the tensile tester 14, a plurality of mounting holes 32 are correspondingly formed in the top plate 31, two product fixing frames 33 are oppositely arranged below the top plate 31, the product fixing frames 33 are integrally cast by two round rods and a constraint rod, the tops of the round rods penetrate through the corresponding mounting holes 32 and are rotatably connected with the top plate 31, and rubber strips are sleeved on the outer circumference sides of the corresponding round rods. The clamping direction generated by the test is adjusted through the mutual matching of the product fixing frame 33 and the elastic rubber strip 34, so that the inclination angle and the gravity center of the tested product are adjusted.

The implementation principle of the embodiment is as follows: when the tensile testing machine 1 is used for testing, firstly, the supporting plate 13 or the tensile tester 14 is rotated to adjust the height of the supporting plate 13 and the height of the tensile tester 14, so as to adjust the distance between the supporting plate 13 and the tensile tester 14, then, the soft plate 42 is rotated to screw out or screw in the threaded shaft 41 from the push rod 8, so as to adjust the whole length of the push rod 8, the soft plate 42 is contacted with the bottom end of the tensile regulator, then, the top of a tested product is plugged into the two product fixing frames 33, meanwhile, the product fixing frames 33 are reversely rotated to leave a space for inserting the tested product, and then, the elastic rubber strip 34 pulls the two product fixing frames 33 to reversely rotate, so that the tested product is clamped and fixed on the bottom side of the top plate 31;

then the bottom end of the test product is fixed on a hook of the tensile tester 14, and then the handle of the adjusting mechanism is pressed downwards to push the tensile tester 1 to move vertically downwards, so that the test product is pulled reversely by the two ends of the test product through the supporting rod and the tensile tester 14, and the pointer of the tensile tester 14 tests the tensile force exerted by the product;

it should be noted that, when the tensile tester 14 pulls the test product downward, the angle and center of the test device are automatically adjusted along with the rotation of the top plate 31 and the rotation of the fixing frame;

when the tensile tester 14 moves downwards, due to the interference between the tension sensor and the soft board 42, the push rod 8 pushes the piston board 62 downwards, along with the downward movement of the piston board 62, the redundant filling liquid in the sliding chute 61 is led into the outer barrel 54 through the connecting pipe 64, the pressure below the push plate 55 is increased, the push plate 55 is pushed to slide upwards, the inner rod 53 is pulled into the outer barrel 54, along with the retraction of the inner rod 53 into the outer barrel 54, the transparent ring 51 slides upwards along with the retraction of the inner rod, an operator can judge the pressure born by the push rod 8 according to the scales on the scale board 52 covered by the transparent ring 51, and whether the tested tensile force is accurate or not can be judged through the comparison of the pressure and the tensile force;

after the test of the test product is completed, the handle of the upward pushing adjusting mechanism pushes the tensile testing mechanism 1 to vertically move upwards for resetting, meanwhile, the spring 63 pushes the push rod 8 to slide upwards for resetting, so that a temporary negative pressure state is formed in the sliding groove 61, the filling liquid in the outer barrel 54 is sucked into the sliding groove 61 again through the connecting pipe 64, the outer barrel 54 retracted into the inner rod 53 is extended again, the transparent ring 51 is pushed to move downwards for resetting, and then the tensile test of the subsequent test product can be performed again.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a device that has pressure measurement and survey pulling force simultaneously, includes tensile testing machine (1), tensile testing machine (1) mainly divide into bottom plate (11), threaded rod (12), backup pad (13) and four parts of tensile testing ware (14), threaded rod (12) are fixed to be installed in the top side of bottom plate (11), the intermediate position department of threaded rod (12) periphery side is located to tensile testing ware (14) thread bush, the top of threaded rod (12) is located to backup pad (13) thread bush, its characterized in that: the position department that bottom plate (11) top side corresponds tensile tester (14) has installed fixed plate (2) through the bolt fastening, square pole (7) are installed to fixed top side of fixed plate (2), push rod (8) are worn to be equipped with in the top side slip of square pole (7), push rod (8) top side is equipped with adjusting unit (4), the below of push rod (8) is equipped with drive unit (6), the periphery side of square pole (7) is equipped with pressure test subassembly (5), the bottom side of backup pad (13) is equipped with clamping assembly (3).

2. A device having both pressure and tension sensing capabilities as defined in claim 1, wherein: the clamping assembly (3) comprises a top plate (31), the top plate (31) is rotatably arranged at the bottom side of the supporting plate (13) corresponding to the position of the tensile tester (14), a plurality of mounting holes (32) are formed in the top plate (31) in a relative mode, two product fixing frames (33) are arranged below the top plate (31) in a relative mode, the tops of the product fixing frames (33) penetrate through the corresponding mounting holes (32) and are rotatably connected with the top plate (31), and two elastic rubber strips (34) are arranged on the product fixing frames (33) in a relative mode.

3. A device having both pressure and tension sensing functions as defined in claim 2, wherein: the adjusting unit (4) comprises a threaded shaft (41), the threaded shaft (41) is threaded through the top end of the push rod (8), and a soft board (42) is fixedly arranged at the top end of the threaded shaft (41).

4. A device having both pressure and tension sensing capabilities as defined in claim 3, wherein: the pressure test assembly (5) comprises a transparent ring (51), the periphery side of square rod (7) is located to transparent ring (51) cover, relative fixed wears to be equipped with scale plate (52) on the periphery wall of square rod (7), scale plate (52) and the interior annular wall sliding connection of transparent ring (51), the top relative fixed of transparent ring (51) is equipped with a plurality of interior poles (53), the top slip cap of interior pole (53) is equipped with urceolus (54), and urceolus (54) and square rod (7) fixed connection, push pedal (55) are installed in the top of interior pole (53), and push pedal (55) and the inner wall sliding connection of corresponding urceolus (54), sealing ring (56) are installed in the periphery side fixed of push pedal (55).

5. The device of claim 4 having both pressure and tension measurement, wherein: the ball (57) is arranged on the inner wall of the transparent ring (51) in a penetrating manner in a relative rotation transmission manner, the guide grooves (58) are formed in the outer wall of the square rod (7) at positions corresponding to the balls (57), and one ends of the balls (57) located outside the corresponding transparent ring (51) are inserted into the corresponding guide grooves (58).

6. The device of claim 5, wherein the device is capable of measuring both pressure and tension, and further comprising: the driving unit (6) comprises a piston plate (62), a sliding groove (61) is formed in the square rod (7) corresponding to the position of the push rod (8), the bottom end of the push rod (8) is inserted into the sliding groove (61) and fixedly connected with the piston plate (62), a spring (63) is arranged between the piston plate (62) and the inner wall of the sliding groove (61), two ends of the spring (63) are fixedly connected with the piston plate (62) and the inner wall of the sliding groove (61) respectively, and the inner part of the outer cylinder (54) is communicated with the inner part of the sliding groove (61) through a connecting pipe (64).