CN220872452U

CN220872452U - Universal testing machine

Info

Publication number: CN220872452U
Application number: CN202322727168.XU
Authority: CN
Inventors: 陈赢; 庞俞彬; 王士明
Original assignee: Zhejiang Tugong Instrument Co ltd
Current assignee: Zhejiang Tugong Instrument Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-04-30
Anticipated expiration: 2033-10-11

Abstract

The utility model discloses a universal testing machine, and relates to the field of material performance testing. Including platen and servo control system, be equipped with the lead screw on the platen, be equipped with the movable cross beam on the lead screw, lead screw upper end department is equipped with fixed cross beam, all fixed mounting has the clamp on movable cross beam and the fixed cross beam, is equipped with the jaw on the clamp, is equipped with the graphene sheet in the jaw, and the rear of the jaw is equipped with the baffle, makes it be semi-enclosed structure, is equipped with the base in the platen, fixed mounting has the hydro-cylinder on the base, and the hydro-cylinder upper end is equipped with spoke type sensor, and base back fixed mounting has the erection support, fixed mounting has the extensometer subassembly on the erection support. The existence of the graphene plate can strengthen the friction force between the jaw and the clamping plate, and secondly, the semi-closed jaw can strengthen the jaw deformation quantity when the jaw is clamped and stretched, meanwhile, in the use process, the laser transmitter can emit laser and is received by the detection light screen, if the clamp is not coaxial, the laser can deviate and cannot be received by the detection light screen, and further, the lower clamp is coaxial.

Description

Universal testing machine

Technical Field

The utility model relates to the field of material performance testing, in particular to a universal testing machine.

Background

The universal tester can complete various performance tests of stretching, compressing, bending, stripping, shearing and the like of various materials, is a commonly used experimental instrument for testing the performance of the materials, and has the excellent characteristics of high precision, high efficiency and the like. In the testing process, two ends of the material are generally fixed through clamps, the clamps are easy to fall off in the using process for some smooth materials, the jaw is in a jaw deformation angle when the jaw is in a fully-opened structure and is stretched, and the upper clamp and the lower clamp are different in axis.

Disclosure of utility model

The utility model mainly aims to provide a universal testing machine which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a universal testing machine, includes platen and servo control system, be equipped with the lead screw on the platen, be equipped with the movable cross beam on the lead screw, lead screw upper end department is equipped with fixed cross beam, equal fixed mounting has the clamp on movable cross beam and the fixed cross beam, be equipped with the jaw on the clamp, be equipped with the graphite alkene board in the jaw, and the rear of the jaw is equipped with the baffle, makes it be semi-closed structure, be equipped with the base in the platen, fixed mounting has the hydro-cylinder on the base, the hydro-cylinder upper end is equipped with spoke type sensor, base back fixed mounting has the erection support, fixed mounting has the extensometer subassembly on the erection support, the extensometer subassembly includes industrial camera, light source, installing support and computer, installing support fixed mounting is on the erection support, installing support one side fixed mounting has the computer, installing support upper end fixed mounting has industrial camera, the industrial camera front end is equipped with the light source, be equipped with coaxial detection mechanism between the clamp.

Further, the extensometer assembly is mounted on the back of the base through a mounting support.

Further, the coaxial detection mechanism comprises a first shell, a detection light screen, a light hole, a second shell and a laser transmitter, wherein the first shell is fixedly installed on a clamp on a fixed beam, the second shell is fixedly installed on a clamp on a movable beam, the detection light screen is fixedly installed in the first shell, the laser transmitter is fixedly installed in the second shell, and the light hole is formed in both the first shell and the second shell.

Further, the first shell is fixed on the clamp on the fixed beam through screws.

Further, the second shell is fixed on the clamp on the movable cross beam through screws.

Further, the first housing is aligned up and down with the second housing.

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

The two ends of a material can be fixed through the clamp, meanwhile, the friction force between the clamp jaw and the clamping plate can be enhanced by the graphene plates, the jaw deformation quantity can be enhanced when the clamp jaw is clamped and stretched by the semi-closed clamp jaw, meanwhile, in the use process, the laser transmitter can emit laser and is received by the detection light screen, if the clamp jaws are different, the laser can deviate and cannot be received by the detection light screen, the lower clamp jaws are kept coaxial, an industrial camera can acquire images, the acquired images are transmitted to a computer in real time, the computer is used for processing image data acquired by the industrial camera and load data transmitted by the universal testing machine, real-time high-precision strain data of a test piece are obtained, and the image acquisition is stable; the system is simple and the construction speed is high; multiple quick marking schemes are supported, and different test pieces are supported; and comparing the multi-equipment multi-operation synchronous data curves.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic diagram of a coaxial detection mechanism according to the present utility model;

Fig. 4 is a schematic view of an extensometer assembly of the present utility model.

In the figure: 1. fixing the cross beam; 2. a screw rod; 3. a movable cross beam; 4. a platen; 5. a clamp; 6. a graphene sheet; 7. a jaw; 8. a mounting support; 9. an extensometer assembly; 901. an industrial camera; 902. a light source; 903. a mounting bracket; 904. a computer; 10. a servo control system; 11. a spoke-type sensor; 12. an oil cylinder; 13. a base; 14. a coaxial detection mechanism; 1401. a first housing; 1402. detecting a light screen; 1403. a light hole; 1404. a second housing; 1405. a laser emitter.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, a universal testing machine comprises a platen 4 and a servo control system 10, wherein a screw rod 2 is arranged on the platen 4, a movable cross beam 3 is arranged on the screw rod 2, a fixed cross beam 1 is arranged at the upper end of the screw rod 2, clamps 5 are fixedly arranged on the movable cross beam 3 and the fixed cross beam 1, jaws 7 are arranged on the clamps 5, graphene plates 6 are arranged in the jaws 7, a baffle is arranged behind the jaws 7, the universal testing machine is of a semi-closed structure, a base 13 is arranged in the platen 4, an oil cylinder 12 is fixedly arranged on the base 13, a spoke type sensor 11 is arranged at the upper end of the oil cylinder 12, a mounting support 8 is fixedly arranged on the back of the base 13, an extensometer assembly 9 is fixedly arranged on the mounting support 8, the extensometer assembly 9 comprises an industrial camera 901, a light source 902, a mounting support 903 and a computer 904, and a coaxial detection mechanism 14 is arranged between the clamps 5.

The extensometer assembly 9 is fixedly mounted on the mounting support 8, the extensometer assembly 9 comprises an industrial camera 901, a light source 902, a mounting support 903 and a computer 904, the mounting support 903 is fixedly mounted on the mounting support 8, the computer 904 is fixedly mounted on one side of the mounting support 903, the industrial camera 901 is fixedly mounted on the upper end of the mounting support 903, the light source 902 is arranged at the front end of the industrial camera 901 and is used for generating high-intensity ultraviolet light, the generated high-intensity ultraviolet light irradiates the surface of a test piece, the industrial camera 901 can collect images and transmit the collected images to the computer 904 in real time, and the computer 904 is used for processing image data collected by the industrial camera 901 and load data transmitted by a universal tester to obtain real-time high-precision strain data of the test piece.

Be equipped with coaxial detection mechanism 14 between clamp 5, coaxial detection mechanism 14 includes first casing 1401, detect screen 1402, light trap 1403, second casing 1404 and laser emitter 1405, first casing 1401 fixed mounting is on clamp 5 on fixed beam 1, second casing 1404 fixed mounting is on clamp 5 on movable beam 3, fixed mounting has detect screen 1402 in first casing 1401, fixed mounting has laser emitter 1405 in second casing 1404, the light trap 1403 has all been seted up on first casing 1401 and the second casing 1404, first casing 1401 passes through the screw fixation on clamp 5 on fixed beam 1, second casing 1404 passes through the screw fixation on clamp 5 on movable beam 3, first casing 1401 aligns from top to bottom with second casing 1404, laser emitter 1405 can send laser and be received by detect screen 1402 in the use, if clamp 5 is not coaxial laser skew can't be received by detect screen 1402, and then judge clamp 5 is not coaxial.

It should be noted that, in practical use, the utility model is a universal testing machine, firstly, two ends of a material can be fixed through the clamp 5, meanwhile, the friction force between the clamp 7 and the clamping plate can be enhanced by the existence of the graphene plate 6, secondly, the jaw deformation amount during clamping and stretching of the clamp 7 can be enhanced by the semi-closed jaw, because the first shell 1401 and the second shell 1404 are both provided with the light holes 1403, the first shell 1401 is fixed on the clamp 5 on the fixed beam 1 through screws, the second shell 1404 is fixed on the clamp 5 on the movable beam 3 through screws, the first shell 1401 and the second shell 1404 are aligned up and down, so that the laser emitter 1405 can emit laser and be received by the detection light screen 1402 in the use process, if the different axes of the clamp 5 cannot be received by the detection light screen 1402, further, the different axes of the clamp 5 can be judged, a worker can quickly adjust the clamp 5, meanwhile, the industrial camera 901 can acquire images of a test piece, and transmit the acquired images to the computer 904 in real time, and the computer 904 is used for processing the image data acquired by the industrial camera and the data of the universal testing machine, and the data of the real-time test piece, the data of the real-time precision test data of the strain test piece, can be obtained.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a universal testing machine which characterized in that: including platen (4) and servo control system (10), be equipped with lead screw (2) on platen (4), be equipped with movable cross beam (3) on lead screw (2), lead screw (2) upper end department is equipped with fixed cross beam (1), all fixed mounting has clamp (5) on movable cross beam (3) and the fixed cross beam (1), be equipped with on clamp (5) and keep silent (7), be equipped with graphene plate (6) in keep silent (7), and keep silent (7) the rear is equipped with the baffle, make it be semi-closed structure, be equipped with base (13) in platen (4), fixed mounting has hydro-cylinder (12) on base (13), hydro-cylinder (12) upper end is equipped with spoke type sensor (11), base (13) back fixed mounting has mount pad (8), fixed mounting has extensometer subassembly (9) on mount pad (8), extensometer subassembly (9) are including industrial camera (901), light source (902), mount bracket (903) and computer (904), mount bracket (903) are fixed mounting on one side of computer (904), the front end of the industrial camera (901) is provided with a light source (902), and a coaxial detection mechanism (14) is arranged between the clamps (5).

2. A universal testing machine as defined in claim 1, wherein: the extensometer assembly (9) is mounted on the back of the base (13) through the mounting support (8).

3. A universal testing machine as defined in claim 2, wherein: coaxial detection mechanism (14) are including first casing (1401), detection screen (1402), light trap (1403), second casing (1404) and laser emitter (1405), on clamp (5) on fixed cross beam (1) of first casing (1401) fixed mounting, on clamp (5) on moving cross beam (3) of second casing (1404) fixed mounting, fixed mounting has detection screen (1402) in first casing (1401), fixed mounting has laser emitter (1405) in second casing (1404), light trap (1403) have all been seted up on first casing (1401) and second casing (1404).

4. A universal testing machine as claimed in claim 3, wherein: the first shell (1401) is fixed on a clamp (5) on the fixed cross beam (1) through screws.

5. A universal testing machine as defined in claim 4, wherein: the second shell (1404) is fixed on a clamp (5) on the movable cross beam (3) through screws.

6. A universal testing machine as defined in claim 5, wherein: the first housing (1401) is aligned up and down with the second housing (1404).