CN222049794U

CN222049794U - Mechanical testing equipment

Info

Publication number: CN222049794U
Application number: CN202420545541.1U
Authority: CN
Inventors: 王循理; 范紫阳; 朱力
Original assignee: City University of Hong Kong CityU
Current assignee: City University of Hong Kong CityU
Priority date: 2024-03-20
Filing date: 2024-03-20
Publication date: 2024-11-22
Anticipated expiration: 2034-03-20

Abstract

The utility model provides a mechanical test device, which relates to the technical field of experimental equipment, and comprises a vacuum box, a clamping mechanism, a temperature adjusting mechanism and a temperature conduction mechanism, wherein the vacuum box comprises an openable box door structure and a vacuum interface; the clamping mechanism comprises a first clamping piece and a second clamping piece which are adjustably arranged in the vacuum box, and a sample station is formed between the first clamping piece and the second clamping piece; the temperature adjusting mechanism comprises a temperature adjusting part arranged in the vacuum box; the temperature conduction mechanism is arranged between the temperature adjusting part and the clamping mechanism, and the temperature conduction mechanism can be used for conducting the temperature on the temperature adjusting part to the clamping mechanism. According to the utility model, the temperature control medium can be recycled through the temperature adjusting mechanism, so that the loss and the test cost of the temperature control medium are reduced, the temperature control medium is prevented from leaking into the external environment, and the safety risk brought by the temperature control medium is eliminated.

Description

Mechanical test device

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a mechanical test device.

Background

Since the temperature affects the mechanical properties of the test sample, in order to better verify the mechanical properties of the test sample, the test sample needs to be placed at different environmental temperatures and subjected to mechanical tests. For example, low temperature environmental mechanics tests require the use of a low temperature medium to cool down the test sample. In the prior art, the low temperature medium generally cools the test sample by direct contact. The direct contact mode mainly comprises a soaking method and a spraying method. The soaking method is to soak the test sample in low temperature medium to realize the cooling effect. The spraying method is to spray a low-temperature medium on the surface of the test sample, and further realize the cooling effect through heat conduction and gasification of the low-temperature medium, but the spraying method has the problem that the low-temperature medium is unevenly sprayed, so that the test sample is easily unevenly cooled, and the test precision is reduced. And the two cooling modes have the problem of larger consumption of low-temperature medium, thereby increasing the experiment cost. In addition, the low-temperature medium is gasified in large quantity, which is easy to bring about the safety problem.

Therefore, how to improve the cooling uniformity of the test sample and reduce the experimental cost becomes a technical problem to be solved urgently at present. Accordingly, the present inventors have developed a mechanical testing device to improve one of the drawbacks of the prior art by virtue of experience and practice of related industries for many years.

Disclosure of utility model

In order to overcome the defects in the prior art, the technical problem to be solved by the embodiment of the utility model is to provide a mechanical test device which is used for improving the cooling uniformity of a test sample and reducing the experiment cost.

The above object of the present utility model can be achieved by the following technical scheme, and the present utility model provides a mechanical test device, comprising:

the vacuum box comprises an openable box door structure and a vacuum interface;

The clamping mechanism comprises a first clamping piece and a second clamping piece which are adjustably arranged in the vacuum box, and a sample station is formed between the first clamping piece and the second clamping piece;

a temperature adjusting mechanism including a temperature adjusting portion provided in the vacuum box;

And the temperature conduction mechanism is arranged between the temperature adjusting part and the clamping mechanism and can be used for conducting the temperature on the temperature adjusting part to the clamping mechanism.

In a preferred embodiment of the present utility model, the mechanical testing device further includes a frame, and a driving mechanism disposed on the frame, wherein the clamping mechanism further includes a first switching structure and a second switching structure disposed on the vacuum box, and the driving mechanism is in driving connection with the first clamping member through the first switching structure and/or the driving mechanism is in driving connection with the second clamping member through the second switching structure.

In a preferred embodiment of the present utility model, the first connection structure includes a first bellows, a first mounting hole is formed on the vacuum box, one end of the first bellows is sealed and covered on the first mounting hole and is connected with the vacuum box, a first sealing element is disposed at the other end of the first bellows, and the first sealing element connects the driving mechanism and the first clamping element.

In a preferred embodiment of the present utility model, the first clamping member includes a first clamping rod and a first clamping head, one end of the first clamping rod is connected to the first clamping head, and the other end of the first clamping rod passes through the first mounting hole to be connected to the first sealing member.

In a preferred embodiment of the present utility model, the second adapting structure includes a second bellows, a second mounting hole is provided on the vacuum box, the second mounting hole is opposite to the first mounting hole, one end of the second bellows is sealed and covered on the second mounting hole and is connected with the vacuum box, a second sealing element is provided at the other end of the second bellows, and the second sealing element connects the driving mechanism and the second clamping element.

In a preferred embodiment of the present utility model, the second clamping member includes a second clamping rod and a second clamping head, one end of the second clamping rod is connected to the second clamping head, and the other end of the second clamping rod passes through the second mounting hole to be connected to the second sealing member.

In a preferred embodiment of the utility model, the drive mechanism comprises a first drive rod and/or a second drive rod, which are/is arranged adjustably on the frame, the first drive rod being able to connect the first seal and the second drive rod being able to connect the second seal.

In a preferred embodiment of the present utility model, the temperature adjusting mechanism includes a refrigerator, a cold head of the refrigerator forms the temperature adjusting part, and a temperature of the temperature adjusting part can be conducted to the clamping mechanism through the temperature conducting mechanism.

In a preferred embodiment of the present utility model, the temperature conduction mechanism includes at least one temperature conduction member, one end of the temperature conduction member is connected to the temperature adjustment portion, and the other end of the temperature conduction member is overlapped on the first clamping member or the second clamping member.

In a preferred embodiment of the present utility model, the mechanical test device further includes a heating mechanism, the heating mechanism includes a heater, a temperature sensor, and a temperature controller, the heater and the temperature sensor are disposed in the vacuum box, and the temperature controller is electrically connected to the heater and the temperature sensor.

The technical scheme of the utility model has the following remarkable beneficial effects:

When the mechanical test device is used, a sample is placed in a vacuum box through a box door structure, the first clamping piece and the second clamping piece of the clamping mechanism are adjusted to clamp the sample at a sample station, then a vacuum interface is connected with vacuum equipment, and the vacuum box is vacuumized by the vacuum equipment. And the temperature adjusting part of the temperature adjusting mechanism is arranged in the vacuum box, and the temperature of the sample can be adjusted through the temperature adjusting part, so that the mechanical properties of the sample at different temperatures can be verified.

And still be provided with temperature conduction mechanism between temperature regulation portion and fixture, can more evenly conduct the temperature of temperature regulation portion to fixture through temperature conduction mechanism to on with the sample with temperature conduction through fixture, thereby avoid the sample to appear the uneven problem of temperature, also avoided the influence of vacuum environment to temperature conduction, improved the mechanical test precision of sample, help exploring the mechanical properties of sample under different temperature environment better.

According to the utility model, the temperature control medium can be recycled through the temperature adjusting mechanism, so that the loss of the temperature control medium and the test cost are reduced. And moreover, the temperature of the temperature regulating mechanism can be better conducted onto the sample through the temperature conducting mechanism, so that the temperature control medium is prevented from leaking into the external environment, and the safety risk brought by the temperature control medium is eliminated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a schematic perspective view of an embodiment of a mechanical testing device according to the present utility model;

FIG. 2 is a schematic perspective view of an embodiment of a clamping mechanism according to the present utility model;

FIG. 3 is a schematic view of an embodiment of a temperature conduction mechanism according to the present utility model;

Fig. 4 is a schematic perspective view of an embodiment of the first switching structure according to the present utility model.

Reference numerals of the above drawings:

100. a vacuum box; 110. a box door structure; 120. a vacuum interface;

200. A clamping mechanism; 210. a first clamping member; 211. a first clamping lever; 212. a first clamping head; 220. a second clamping member; 221. a second clamping rod; 222. a second clamping head;

300. a temperature adjusting mechanism; 310. A refrigerating machine; 320. A temperature adjusting unit;

400. a temperature conduction mechanism; 410. A temperature conductor;

500. a frame;

600. A first switching structure; 610. a first bellows; 620. a first seal;

700. And a second switching structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 in combination, the present utility model provides a mechanical testing device, which includes a vacuum box 100, a clamping mechanism 200, a temperature adjusting mechanism 300 and a temperature conducting mechanism 400, wherein the vacuum box 100 includes an openable box door structure 110 and a vacuum interface 120; the clamping mechanism 200 comprises a first clamping member 210 and a second clamping member 220 adjustably disposed in the vacuum box 100, the first clamping member 210 and the second clamping member 220 forming a sample station therebetween; the temperature adjustment mechanism 300 includes a temperature adjustment portion 320 provided in the vacuum box 100; the temperature conduction mechanism 400 is provided between the temperature adjustment portion 320 and the holding mechanism 200, and the temperature conduction mechanism 400 can be used to conduct the temperature on the temperature adjustment portion 320 to the holding mechanism 200.

In general, when the mechanical test device is used, a sample is placed in the vacuum box 100 through the box door structure 110, the first clamping piece 210 and the second clamping piece 220 of the clamping mechanism 200 are adjusted to clamp the sample at a sample station, then the vacuum interface 120 is connected with a vacuum device, and the vacuum box 100 is vacuumized by the vacuum device.

The temperature adjusting part 320 of the temperature adjusting mechanism 300 is disposed in the vacuum box 100, and the temperature of the sample can be adjusted by the temperature adjusting part 320, so as to help to verify the mechanical properties of the sample at different temperatures.

The temperature adjusting part 320 and the clamping mechanism 200 are further provided with the temperature conduction mechanism 400, the temperature of the temperature adjusting part 320 can be more uniformly conducted to the clamping mechanism 200 through the temperature conduction mechanism 400, and the temperature is conducted to the sample through the clamping mechanism 200, so that the problem of uneven temperature of the sample is avoided, the influence of a vacuum environment on the temperature conduction is avoided, the mechanical test precision of the sample is improved, and the mechanical property of the sample under different temperature environments is better explored.

The cold medium in the soaking method and the spraying method adopted in the prior art can be directly exposed to the external environment, and if operators operate improperly, safety risks such as choking and frostbite are easy to occur after the low-temperature medium is gasified in a large quantity. In addition, the refrigerant medium is exposed to the external environment, and can be gasified and dissipated in the temperature adjusting process, so that the experiment cost is increased.

The utility model can realize the recycling of the temperature control medium through the temperature adjusting mechanism 300, thereby reducing the loss of the temperature control medium and the experiment cost. In addition, the temperature of the temperature adjusting mechanism 300 can be better conducted to the sample through the temperature conducting mechanism 400, so that the temperature control medium is prevented from leaking into the external environment, and the safety risk caused by the temperature control medium is eliminated.

Moreover, by arranging the sample in the vacuum box 100, the vacuum box 100 can perform a heat preservation function by utilizing vacuum, and the temperature conduction mechanism 400 in the vacuum box 100 can not be influenced by the vacuum environment in the vacuum box 100 by contacting and transmitting the temperature, so that a better heat conduction effect is achieved.

In embodiments of the present utility model, the designer may adjust the specific configuration of vacuum box 100 according to the needs of the application, without specific limitation. In addition, a window structure may be provided on the vacuum box 100 in order to facilitate observation of the sample in the vacuum box 100.

In the embodiment of the utility model, the vacuum interface 120 is provided with a vacuum connection flange, the vacuum equipment is a vacuum pump, and a vacuum port of the vacuum pump is connected with the vacuum connection flange in a sealing way. The vacuum box 100 can be vacuum-pumped by a vacuum pump.

Of course, in other possible embodiments, the designer may adjust the specific configuration of the vacuum apparatus according to the needs of the use, without specific limitation.

In an embodiment of the present utility model, as shown in the embodiment of fig. 1, the mechanical testing device further comprises a frame 500, and a driving mechanism disposed on the frame 500, wherein the clamping mechanism 200 further comprises a first adapting structure 600 and a second adapting structure 700 disposed on the vacuum box 100, and the driving mechanism is in driving connection with the first clamping member 210 through the first adapting structure 600 and/or the driving mechanism is in driving connection with the second clamping member 220 through the second adapting structure 700.

The vacuum box 100 and various components can be better installed by the rack 500, and the designer can adjust the specific configuration of the rack 500 according to the use needs without specific limitation.

And, through set up actuating mechanism on frame 500, actuating mechanism can drive first holder 210 and/or second holder 220, and then can the centre gripping sample through first holder 210 and second holder 220 to exert test force in order to measure the mechanical properties of sample under different temperature environment.

In the embodiment of the present utility model, as shown in fig. 4, the first connection structure 600 includes a first bellows 610, a first mounting hole is formed on the vacuum box 100, one end of the first bellows 610 is sealed and covered on the first mounting hole and is connected with the vacuum box 100, a first sealing member 620 is disposed at the other end of the first bellows 610, and the first sealing member 620 connects the driving mechanism and the first clamping member 210.

Through setting up first bellows 610 on vacuum box 100, first bellows 610 has the ripple structure, utilizes the ripple structure of first bellows 610 can play the altitude mixture control effect, has increased the accommodation of first holder 210 to can satisfy the experimental needs of different size samples better.

In addition, the vacuum box 100 and the first sealing member 620 can be respectively connected to both ends of the first bellows 610, so that the first bellows 610 is also in a sealed state during use, and the vacuum environment in the vacuum box 100 is not damaged. Preferably, one end of the first bellows 610 is sealingly connected to the first mounting hole by a flange structure.

The designer may adjust the specific configuration of first bellows 610 and the specific configuration of first seal 620 as desired for use, without specific limitation herein. Preferably, the first seal 620 is a first sealing flange disposed on the other end of the first bellows 610.

In the embodiment of the present utility model, as shown in the example of fig. 2 and 3, the first clamping member 210 includes a first clamping rod 211 and a first clamping head 212, one end of the first clamping rod 211 is connected to the first clamping head 212, and the other end of the first clamping rod 211 is connected to the first sealing member 620 through the first mounting hole.

Specifically, the first clamping rod 211 is movably inserted into the first mounting hole, one end of the first clamping rod 211 is connected with the first clamping head 212, and the other end of the first clamping rod 211 is connected with the first sealing flange.

The driving mechanism can drive the first clamping rod 211 to axially move and cooperate with the first corrugated pipe 610, so that the clamping position of the first clamping head 212 can be freely adjusted in the vacuum box 100. And, the first clamping head 212 can be utilized to clamp the sample and apply test force to the sample to measure the mechanical properties of the sample at different temperatures.

The specific configuration of the first clamping head 212 may be adjusted by the designer according to the needs of the application, and is not particularly limited herein.

In an embodiment of the present utility model, the second switching structure 700 includes a second bellows, a second mounting hole is disposed on the vacuum box 100, the second mounting hole is disposed opposite to the first mounting hole, one end of the second bellows is sealed and covered on the second mounting hole and connected with the vacuum box 100, a second sealing member is disposed at the other end of the second bellows, and the second sealing member connects the driving mechanism and the second clamping member 220. For the specific structure of the second switching structure 700, reference may be made to the first switching structure 600.

Through set up the second bellows on vacuum box 100, the second bellows has the ripple structure, utilizes the ripple structure of second bellows to play high regulation effect, has increased the accommodation of second holder 220, can satisfy the test needs of different size samples better through first holder 210 and second holder 220 cooperatees.

And, can connect vacuum box 100 and second sealing member respectively through the both ends of second bellows to the second bellows is also in sealed state in the use, can not destroy the vacuum environment in the vacuum box 100. Preferably, one end of the second corrugated pipe is in sealing connection with the second mounting hole through a flange structure.

The designer may adjust the specific configuration of the second bellows and the specific configuration of the second seal as desired for use, without specific limitation herein. Preferably, the second seal is a second sealing flange provided at the other end of the second bellows.

In the embodiment of the present utility model, as shown in the example of fig. 2 and 3, the second clamping member 220 includes a second clamping rod 221 and a second clamping head 222, one end of the second clamping rod 221 is connected to the second clamping head 222, and the other end of the second clamping rod 221 is connected to the second sealing member through the second mounting hole.

Specifically, the second clamping rod 221 is movably inserted into the second mounting hole, and one end of the second clamping rod 221 is connected to the second clamping head 222, and the other end of the second clamping rod 221 is connected to the second sealing flange.

The second clamping rod 221 can be driven to axially move by the driving mechanism and is matched with the second corrugated pipe, so that the clamping position of the second clamping head 222 can be freely adjusted in the vacuum box 100. And, the second clamping head 222 is matched with the first clamping head 212 to clamp the sample and apply test force to the sample so as to measure the mechanical properties of the sample at different temperatures.

The particular configuration of second gripping head 222 may be adjusted by the designer based on the needs of the application and is not particularly limited herein.

From the foregoing, it can be seen that the drive mechanism is drivingly coupled to the first clamp member 210 via the first adapter structure 600 and/or the drive mechanism is drivingly coupled to the second clamp member 220 via the second adapter structure 700.

When the driving mechanism is in driving connection with the second clamping piece 220 through the second switching structure 700, the second switching structure 700 can be adjusted in stretching or compressing through the second corrugated pipe, so that the driving mechanism can be used for adjusting the second clamping piece 220, and better adjustment flexibility is achieved.

When the second switching structure 700 does not transmit with the driving mechanism, the second switching structure 700 is fixedly connected with the vacuum box 100 and the frame 500, and the second switching structure 700 may not be adjusted. Wherein, prior to the experiment, the second clamping member 220 may be highly pre-adjusted, style-specific pre-adjusted, or rotationally pre-adjusted. During the experiment, the second clamping member 220 and the second adapting structure 700 do not perform axial movement, so that the second clamping member 220 is stationary relative to the frame 500, and thus the test force can be applied to the sample only by adjusting the first adapting structure 600 and the first clamping member 210 to measure the mechanical properties of the sample at different temperatures.

In addition, when the second switching structure 700 does not transmit with the driving mechanism, the second switching structure 700 may not be provided with a second bellows, and the second switching structure 700 may connect the vacuum box 100 and the frame 500 through the second sealing member, which is not particularly limited herein.

In an embodiment of the utility model, the drive mechanism comprises a first drive rod and/or a second drive rod, the first drive rod and/or the second drive rod being adjustably arranged on the frame 500, the first drive rod being connectable to the first seal 620 and the second drive rod being connectable to the second seal.

In a possible embodiment, a first driving device and a second driving device are provided on the frame 500, the first driving device having a first driving rod capable of lifting movement, and the second driving device having a second driving rod capable of lifting movement.

The first driving rod is connected to the first sealing flange, the second driving rod is connected to the second sealing flange, and the movement states of the first driving device and the second driving device are controlled by the control system, so that a required test force can be applied to the sample between the first clamping head 212 and the second clamping head 222 by using the first driving rod and the second driving rod. Wherein the force loading direction of the first drive rod and the second drive rod includes, but is not limited to, a lateral direction or a vertical direction.

In a further possible embodiment, a first drive device is provided on the frame 500, which has a first drive rod which can be moved up and down, which is connected to the first sealing flange and with which the first clamping head 212 can be adjusted. The second adapting structure 700 may not be driven by the driving mechanism, so that the second clamping head 222 and the frame 500 are relatively stationary, and thus the test force can be applied to the sample only by adjusting the first clamping head 212 to measure the mechanical properties of the sample at different temperatures.

In a further possible embodiment, a second drive device is provided on the frame 500, which has a second drive rod with a lifting movement, which is connected to the second sealing flange, with which second drive rod the second clamping head 222 can be adjusted. The first connecting structure 600 may not be driven by the driving mechanism, and the first clamping head 212 and the frame 500 are relatively stationary, so that the test force can be applied to the sample only by adjusting the second clamping head 222 to measure the mechanical properties of the sample at different temperatures.

The designer may adjust the specific configuration of the first driving device and the second driving device according to the use requirement, for example, the driving device may be hydraulically driven, pneumatically driven, electrically driven, or the like, and is not particularly limited herein.

In the embodiment of the present utility model, the temperature adjusting mechanism 300 includes a refrigerator 310, the cold head of the refrigerator 310 forms a temperature adjusting part 320, and the temperature of the temperature adjusting part 320 can be conducted to the clamping mechanism 200 through the temperature conducting mechanism 400.

Specifically, a temperature adjusting port is provided on the vacuum box 100, the refrigerator 310 is disposed outside the vacuum box 100 and is connected with the temperature adjusting port in a sealing manner, and a cold head of the refrigerator 310 is disposed in the vacuum box 100 through the temperature adjusting port, so that the cold head of the refrigerator 310 can conduct temperature to the clamping mechanism 200 through the temperature conducting mechanism 400, and further conduct temperature to the sample through the clamping mechanism 200.

The designer may adjust the specific model of the refrigerator 310 and the specific configuration of the coldhead as desired for use, and is not particularly limited herein. Preferably, the refrigerator 310 is a refrigerator 310 in which a refrigerant is circulated. For example, the refrigerator 310 may be configured as a Gifford-McMahon refrigerator 310, with a primary cold head and a secondary cold head provided on the refrigerator 310. The refrigerant includes, but is not limited to, liquid helium and liquid nitrogen.

In the embodiment of the present utility model, as shown in the example of fig. 4, the temperature conduction mechanism 400 includes at least one temperature conduction member 410, one end of the temperature conduction member 410 is connected to the temperature adjusting part 320, and the other end of the temperature conduction member 410 is overlapped on the first clamping member 210 or the second clamping member 220.

Specifically, two temperature conductors 410 are provided, one temperature conductor 410 is connected with the temperature adjusting part 320 and the first clamping head 212, and the other temperature conductor 410 is connected with the temperature adjusting part 320 and the second clamping head 222, so that the temperature of the refrigerator 310 can be more uniformly conducted onto the sample by using the two temperature conductors 410, the problem of uneven temperature of the sample is avoided, and the mechanical test precision of the sample is improved.

The designer may adjust the specific configuration of the temperature conductor 410 according to the use requirement, for example, the temperature conductor 410 may be provided in a rod shape or a plate shape, etc., without being particularly limited herein. Preferably, the temperature conductor 410 is formed from a thermally conductive alloy.

In an embodiment of the present utility model, the mechanical test device further includes a heating mechanism including a heater, a temperature sensor, and a temperature controller, the heater and the temperature sensor being disposed in the vacuum box 100, the temperature controller being electrically connected to the heater and the temperature sensor.

By providing a temperature sensor within the vacuum box 100, the temperature within the vacuum box 100 can be detected using the temperature sensor and the temperature data transmitted to a temperature controller. The heating efficiency of the heater can be controlled by the temperature controller, so that the temperature in the vacuum box 100 can be controlled and maintained, and a better control effect can be achieved.

And, after the experiment is finished, the refrigerator 310 is turned off, and then the heater can be turned on to heat the vacuum box 100, so that the temperature in the vacuum box 100 is raised, the waiting time for opening the box door is reduced, and the experiment efficiency is improved.

The specific configuration of the temperature sensor, the temperature controller, and the heater may be adjusted by a designer according to the use requirements, and is not particularly limited herein.

Preferably, the temperature controller is a PID controller, and the heater is an electric heater. The temperature sensor is a semiconductor temperature sensor or a thermocouple and is used for monitoring the temperature and outputting a temperature signal to the temperature controller. The temperature controller may be provided with a control program or may be manually controlled, and is not particularly limited herein.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional. Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A mechanical testing device, comprising:

A vacuum box, the vacuum box comprising an openable door structure and a vacuum interface;

A clamping mechanism, the clamping mechanism comprising a first clamping member and a second clamping member adjustably arranged in the vacuum box, wherein a sample station is formed between the first clamping member and the second clamping member;

A temperature regulating mechanism, the temperature regulating mechanism comprising a temperature regulating part arranged in the vacuum box;

A temperature conduction mechanism is provided between the temperature adjustment portion and the clamping mechanism, and can be used to conduct the temperature on the temperature adjustment portion to the clamping mechanism.

2. The mechanical testing device according to claim 1 is characterized in that the mechanical testing device also includes a frame and a driving mechanism arranged on the frame, the clamping mechanism also includes a first transfer structure and a second transfer structure arranged on the vacuum box, the driving mechanism is rotatably connected to the first clamping member through the first transfer structure and/or the driving mechanism is rotatably connected to the second clamping member through the second transfer structure.

3. The mechanical testing device as described in claim 2 is characterized in that the first transfer structure includes a first bellows, a first mounting hole is provided on the vacuum box, a sealing cover at one end of the first bellows is provided on the first mounting hole and connected to the vacuum box, and a first sealing member is provided at the other end of the first bellows, and the first sealing member connects the driving mechanism and the first clamping member.

4. The mechanical testing device as described in claim 3 is characterized in that the first clamping member includes a first clamping rod and a first clamping head, one end of the first clamping rod is connected to the first clamping head, and the other end of the first clamping rod passes through the first mounting hole to connect to the first sealing member.

5. The mechanical testing device as described in claim 3 is characterized in that the second transfer structure includes a second bellows, a second mounting hole is provided on the vacuum box, the second mounting hole is arranged opposite to the first mounting hole, a sealing cover at one end of the second bellows is provided on the second mounting hole and connected to the vacuum box, and a second sealing member is provided at the other end of the second bellows, and the second sealing member connects the driving mechanism and the second clamping member.

6. The mechanical testing device as described in claim 5 is characterized in that the second clamping member includes a second clamping rod and a second clamping head, one end of the second clamping rod is connected to the second clamping head, and the other end of the second clamping rod passes through the second mounting hole to connect to the second sealing member.

7. The mechanical testing device as described in claim 5 is characterized in that the driving mechanism includes a first driving rod and/or a second driving rod, the first driving rod and/or the second driving rod are adjustably arranged on the frame, the first driving rod can be connected to the first sealing member, and the second driving rod can be connected to the second sealing member.

8. The mechanical testing device according to claim 1 is characterized in that the temperature regulating mechanism includes a refrigerator, a cold head of the refrigerator forms the temperature regulating part, and the temperature of the temperature regulating part can be conducted to the clamping mechanism through the temperature conduction mechanism.

9. The mechanical testing device according to claim 8, characterized in that the temperature conduction mechanism comprises at least one temperature conduction member, one end of the temperature conduction member is connected to the temperature regulating part, and the other end of the temperature conduction member is overlapped on the first clamping member or the second clamping member.

10. The mechanical testing device as described in claim 1 is characterized in that the mechanical testing device also includes a heating mechanism, the heating mechanism includes a heater, a temperature sensor and a temperature controller, the heater and the temperature sensor are arranged in the vacuum box, and the temperature controller electrically connects the heater and the temperature sensor.