CN217211932U - Pull-off test testing device - Google Patents

Abstract

The utility model discloses a draw and take off experimental testing arrangement, concretely relates to draw and take off experimental test field, including the bottom plate, top one side fixedly connected with bracing piece of bottom plate, the top fixedly connected with drive case of bracing piece, the top bilateral symmetry of bottom plate are provided with the solid fixed splint that are used for fixed sample that awaits measuring, are provided with the tensile splint that are used for fixed pulling sample that awaits measuring between bottom plate and the drive case, and the rear side of tensile splint is provided with the connecting rod of connecting tensile splint. The utility model discloses at first can carry out the centre gripping fixed to the sample bottom of awaiting measuring in proper order through rotating first carousel to can press from both sides tight fixedly to the top of the sample that awaits measuring in proper order through rotating the second carousel, then start driving motor can drive tensile splint rebound in proper order, carry out tensile test to the sample that awaits measuring, can observe tensile strength in real time through pressure detector simultaneously, thereby can draw the experimental test of taking off to the sample that awaits measuring, conveniently observe tensile strength.

Description

Pull-off test testing device

Technical Field

The utility model relates to a draw and take off experimental test technical field, more specifically say, the utility model relates to a draw and take off experimental testing arrangement.

Background

The pull-off test device is used for pulling off a sample, and is used for testing the fixed connection of the sample, so that the sample can be separated from the sample under the tensile force with the strength, such as a rivet and the stress strength of a welding part, and the pull-off test device is required to be used for pulling off the sample before use, so that the bearable maximum tensile force is judged, the use is facilitated, the stability in use is improved, and a proper connecting piece and a connecting mode can be selected according to actual requirements.

But when in actual use, current pull-off test testing arrangement, it is fixed that most needs carry out the centre gripping to the both ends of the sample that awaits measuring when using, and current clamping structure is comparatively loaded down with trivial details, and uses inconveniently, and the removal of grip block is convenient fixed, leads to the atress direction to produce the change easily to influence test structure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a draw and take off experimental testing arrangement, through the cooperation of the pressure detector who sets up and tensile splint, solid fixed splint isotructure, can conveniently fix the sample that awaits measuring to drawing to the sample that awaits measuring and taking off experimental test, can real-time observation tensile strength simultaneously, and make equipment can draw to the multiple sample that awaits measuring and take off experimental test, improve equipment's practicality, with the problem of proposition in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pull-off test testing device comprises a bottom plate, wherein a supporting rod is fixedly connected to one side of the top of the bottom plate, a driving box is fixedly connected to the top of the supporting rod, and fixing clamping plates for fixing a sample to be tested are symmetrically arranged on two sides of the top of the bottom plate;

a stretching clamping plate for fixedly pulling the sample to be tested is arranged between the bottom plate and the driving box;

the rear side of the stretching clamping plate is provided with a connecting rod connected with the stretching clamping plate;

and a pressure detector for monitoring the tension is arranged between the driving box and the stretching clamping plate.

In a preferred embodiment, a first sliding block is fixedly connected to the bottom of the fixed clamping plate, a first sliding groove is formed in the top of the bottom plate, the first sliding block extends into the first sliding groove, a first threaded rod is arranged in the middle of the first sliding groove and penetrates through the middle of the first sliding block, the threads of the wall bodies at two ends of the first threaded rod are symmetrical to each other, and a first rotating disc is fixedly connected to one end of the first threaded rod.

In a preferred embodiment, a driving motor is arranged in the middle of the driving box, a baffle is connected to an output shaft of the driving motor, a first connecting rope is fixedly connected to an output end of the driving motor, one end, far away from the driving motor, of the first connecting rope penetrates through a bottom wall body of the driving box and a top fixed connection of the pressure detector, the number of the stretching clamping plates is two, second connecting ropes are fixedly connected to two sides of the bottom of the pressure detector, and one end, far away from the pressure detector, of the second connecting ropes is fixedly connected with the top of the stretching clamping plates.

In a preferred embodiment, the connecting rod is close to one side of tensile splint and has seted up the second spout, the one end fixedly connected with second slider of tensile splint that is close to the connecting rod, the second slider extends to the middle part of second spout, the relative one side bottom fixedly connected with support bar of two tensile splint, the middle part of second spout is provided with the second threaded rod, the second threaded rod runs through the middle part of second slider, the both ends wall body screw thread of second threaded rod is symmetrical each other, the one end fixedly connected with second carousel of second threaded rod.

Compared with the prior art, the utility model discloses a technological effect and advantage:

1. the utility model discloses at first drive two solid fixed splint to fix the sample bottom of awaiting measuring through rotating first carousel, and can drive two tensile splint to press from both sides tight the fixing to the top of awaiting measuring sample in proper order through rotating the second carousel, then start driving motor and carry out the rolling to first connecting rope, thereby drive tensile splint to move upwards in proper order, carry out tensile test to the sample of awaiting measuring, can observe tensile strength in real time through the pressure detector simultaneously, thereby can draw the experimental test of taking off to the sample of awaiting measuring, improve the accuracy of fixed effect and test;

2. the utility model discloses still through the baffle that sets up, can make things convenient for when the rolling of first connecting rope, prevent the pulling force dislocation of first connecting rope, influence the pulling force effect, and can make the force that two tensile splint receive the same through the second connecting rope, improve the accuracy of test, and can improve fixed strength through the support bar, improve the accuracy of test result, prevent to drop, make equipment can carry out the pull-off test to multiple sample to be tested, improve the practicality of equipment;

in conclusion, through the mutual influence of the multiple functions, the sample to be tested can be conveniently fixed, the sample to be tested is subjected to pull-off test, meanwhile, the tensile strength can be observed in real time, the fixing effect and the test accuracy are improved, equipment can be subjected to pull-off test on multiple samples to be tested, and the practicability of the equipment is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the stretching clamp plate and the connecting rod of the present invention.

The symbols in the figures indicate:

1. a base plate; 2. a support bar; 3. a drive box; 4. fixing the clamping plate; 5. stretching the clamping plate; 6. a connecting rod; 7. a pressure detector; 8. a first slider; 9. a first chute; 10. a first threaded rod; 11. a first turntable; 12. a baffle plate; 13. a first connecting rope; 14. a second connecting rope; 15. a supporting strip; 16. a second chute; 17. a second slider; 18. a second threaded rod; 19. a second turntable.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1-4, the utility model provides a pull-off test device, which comprises a bottom plate 1, a support rod 2 fixedly connected to one side of the top of the bottom plate 1, a driving box 3 fixedly connected to the top of the support rod 2, and fixing splints 4 for fixing a sample to be tested symmetrically arranged on two sides of the top of the bottom plate 1;

a stretching clamping plate 5 for fixedly pulling the sample to be tested is arranged between the bottom plate 1 and the driving box 3;

the rear side of the stretching splint 5 is provided with a connecting rod 6 connected with the stretching splint 5;

a pressure detector 7 for monitoring the tension is arranged between the drive box 3 and the tension clamp plate 5.

As shown in fig. 1 and 2, the first slider 8 of bottom fixedly connected with of solid fixed splint 4, first spout 9 has been seted up at bottom plate 1's top, first slider 8 extends to the inside of first spout 9, the middle part of first spout 9 is provided with first threaded rod 10, first threaded rod 10 runs through the middle part of first slider 8, the mutual symmetry of both ends wall body screw thread of first threaded rod 10, the first carousel 11 of the one end fixedly connected with of first threaded rod 10, so that drive two solid fixed splint 4 through rotating first carousel 11 and fix the sample bottom that awaits measuring, thereby make things convenient for the later stage to pull off experimental test, improve fixed effect.

As shown in fig. 1-3, a driving motor is arranged in the middle of the driving box 3, a baffle 12 is connected to an output end shaft of the driving motor, a first connecting rope 13 is fixedly connected to an output end of the driving motor, one end of the first connecting rope 13 far away from the driving motor penetrates through the bottom wall of the driving box 3 and is fixedly connected to the top of the pressure detector 7, and the number of the tension splints 5 is two; rope 14 is connected to pressure detector 7's bottom both sides fixedly connected with second, the one end that rope 14 kept away from pressure detector 7 and tensile splint 5's top fixed connection are connected to the second, so that roll up first connecting rope 13 through starting driving motor, thereby drive tensile splint 5 rebound in proper order, carry out tensile work to the sample that awaits measuring, and can real-time observation tensile strength through pressure detector 7, and baffle 12 through setting up, can make things convenient for when first connecting rope 13 rolls up, the dislocation, influence the pulling force effect, and it is the same to connect rope 14 to make the power that two tensile splint 5 received through the second, the accuracy of test is improved.

As shown in fig. 1, 2 and 4, a second sliding groove 16 is formed on one side of the connecting rod 6 close to the stretching clamp plate 5, a second sliding block 17 is fixedly connected to one end of the stretching clamp plate 5 close to the connecting rod 6, the second sliding block 17 extends to the middle of the second sliding groove 16, supporting strips 15 are fixedly connected to the bottoms of the opposite sides of the two stretching clamp plates 5, a second threaded rod 18 is arranged in the middle of the second sliding groove 16, the second threaded rod 18 penetrates through the middle of the second sliding block 17, the wall threads at the two ends of the second threaded rod 18 are symmetrical to each other, a second rotating disc 19 is fixedly connected to one end of the second threaded rod 18, so that the two stretching clamp plates 5 can be driven to clamp and fix the top of the sample to be tested in turn by rotating the second turntable 19, the test is convenient, and can improve fixed strength through support bar 15, improve the accuracy of test result to connecting rod 6 through the setting can support tensile splint 5.

The utility model discloses the theory of operation:

when the sample clamp is used, a sample to be tested is placed at the top of the bottom plate 1, the first rotary table 11 is rotated to drive the first slide block 8 to move towards the opposite side through the first threaded rod 10, and therefore the control panel 4 is driven to clamp and fix the bottom end of the sample; then, the stretching clamping plates 5 are pulled downwards, so that the pressure detector 7 is driven by the second connecting rope 14 to pull the first connecting rope 13, and the first connecting rope 13 is moved out of the middle part of the driving box 3 until the top end of the sample is positioned between the two stretching clamping plates 5;

then, the second turntable 19 is rotated, and the second slide block 17 is driven to move through the second threaded rod 18, so that the two stretching clamp plates 5 are driven to move towards the opposite side until the top end of the sample is clamped and fixed; then start the inside driving motor of drive box 3, carry out the rolling to first connecting rope 13, can drive tensile splint 5 through pressure detector 7 and second connecting rope 14 and stimulate the sample, draw and take off the experimental test to can observe tensile strength in real time through pressure detector 7.

In the description of the present invention, it is to be understood that the positional or positional relationships, such as the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, are based on the positional or positional relationships illustrated in the drawings and are for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. The utility model provides a pull-off test testing arrangement, includes bottom plate (1), its characterized in that: a supporting rod (2) is fixedly connected to one side of the top of the bottom plate (1), a driving box (3) is fixedly connected to the top of the supporting rod (2), and fixing clamping plates (4) for fixing a sample to be detected are symmetrically arranged on two sides of the top of the bottom plate (1);

a stretching clamping plate (5) for fixedly pulling a sample to be tested is arranged between the bottom plate (1) and the driving box (3);

the rear side of the stretching splint (5) is provided with a connecting rod (6) connected with the stretching splint (5);

and a pressure detector (7) for monitoring the tension is arranged between the driving box (3) and the stretching clamping plate (5).

2. A pull-off test device according to claim 1, characterized in that: the bottom fixedly connected with first slider (8) of solid fixed splint (4), first spout (9) have been seted up at the top of bottom plate (1), first slider (8) extend to the inside of first spout (9).

3. A pull-off test device according to claim 2, characterized in that: the middle part of first spout (9) is provided with first threaded rod (10), first threaded rod (10) run through the middle part of first slider (8), the both ends wall body screw thread symmetry each other of first threaded rod (10), the first carousel (11) of one end fixedly connected with of first threaded rod (10).

4. A pull-off test device according to claim 1, characterized in that: the middle part of drive case (3) is provided with driving motor, and driving motor's output shaft is connected with baffle (12), the first connecting rope of driving motor's output fixedly connected with (13), the top fixed connection of the bottom wall body of drive case (3) and pressure detector (7) is run through to driving motor's one end is kept away from in first connecting rope (13).

5. A pull-off test device according to claim 1, characterized in that: the quantity of tensile splint (5) is two, rope (14) are connected to the bottom both sides fixedly connected with second of pressure detector (7), the one end that pressure detector (7) were kept away from in second connection rope (14) and the top fixed connection of tensile splint (5).

6. A pull-off test device according to claim 1, characterized in that: second spout (16) have been seted up to one side that connecting rod (6) are close to tensile splint (5), the one end fixedly connected with second slider (17) that is close to connecting rod (6) of tensile splint (5), second slider (17) extend to the middle part of second spout (16), two relative one side bottom fixedly connected with support bar (15) of tensile splint (5).

7. A pull-off test device according to claim 6, characterised in that: the middle part of second spout (16) is provided with second threaded rod (18), second threaded rod (18) run through the middle part of second slider (17), the both ends wall body screw thread of second threaded rod (18) is symmetry each other, the one end fixedly connected with second carousel (19) of second threaded rod (18).

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