CN220525543U - Temperature-change stretching deformation detection device - Google Patents

Abstract

The utility model discloses a temperature-variable stretching deformation detection device which comprises a tension machine, a high-low temperature control box and a high-low temperature deformation detection mechanism, wherein the tension machine comprises a tension rack, a first sample clamp, a second sample clamp, a lifting cross beam and a tension driving device, the high-low temperature deformation detection mechanism comprises a high-low temperature mounting bracket, a high-low Wen Daogan, a first high-low temperature extension clamp, a second high-low temperature extension clamp, a first encoder and a second encoder, a working cavity for simulating a high-temperature environment or a low-temperature environment is formed in the high-low temperature control box, and the first high-low temperature extension clamp and the second high-low temperature extension clamp are both arranged in the working cavity and are positioned between the first sample clamp and the second sample clamp. The utility model can simultaneously realize the test of the tensile force value and the tensile deformation of the test sample in a high-temperature environment or a low-temperature environment, thereby realizing diversified test on one device, greatly reducing the labor cost and improving the test efficiency.

Description

Temperature-change stretching deformation detection device

Technical Field

The utility model relates to the technical field of high-low temperature tensile test detection equipment, in particular to a temperature-change tensile deformation detection device.

Background

The new material is a newly developed or developing structural material with excellent performance and a functional material with special properties, the structural material mainly utilizes the mechanical properties of strength, toughness, hardness, elasticity and the like of the structural material, each new material needs to be tested in various ways before the appearance, a tensile machine can be used for testing the tensile force of the material, when the tensile deformation test of the material is required to be carried out in a high-temperature environment or a low-temperature environment, a tensile deformation test device is required to be additionally arranged, one device cannot detect the tensile value of a test sample and the tensile deformation of the test sample at the same time, an operator is required to frequently carry out corresponding tests to and fro a plurality of test devices, time and labor are wasted, the labor intensity of the operator is high, and the test efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the temperature-change tensile deformation detection device which adopts a high-low temperature deformation detection mechanism and enables an operator to simultaneously realize the test of the tensile force value and the tensile deformation of a test sample in a high-temperature environment or a low-temperature environment on the detection device by arranging the working cavity capable of simulating the high-temperature environment or the low-temperature environment in the high-low temperature control box, so that the diversified test is realized on one device, the labor cost is greatly reduced, and the test efficiency is improved.

In order to achieve the above object, the utility model provides a temperature-changing tensile deformation detection device, which comprises a tension machine, wherein the tension machine comprises a tension frame, a first sample clamp, a second sample clamp, a lifting cross beam and a tension driving device, the tension frame is vertically arranged, the second sample clamp is arranged at the lower end of the tension frame, the first sample clamp is arranged on the tension frame in a lifting way through the lifting cross beam, the tension driving device is arranged in the tension frame and is in transmission connection with two ends of the lifting cross beam, the temperature-changing tensile deformation detection device further comprises a high-low temperature control box and a high-low temperature deformation detection mechanism, a working cavity for simulating a high-temperature environment or a low-temperature environment is formed in the interior of the high-low temperature control box, the second sample clamp can be inserted into the interior of the working cavity, the first sample clamp can extend into the interior of the working cavity and is positioned above the second sample clamp, the high-low temperature deformation detection mechanism comprises a high-low temperature mounting bracket, a high-low Wen Daogan, a first high-low temperature extension clamp, a second high-temperature extension clamp, a first high-low temperature encoder and a second encoder, a second encoder and a second encoder are arranged on the top of the high-low temperature control box and the second encoder, the second encoder and the first encoder and the second encoder can be vertically arranged on the top of the high-low temperature clamp and the second encoder, the second encoder and the second encoder can be vertically arranged on the top of the high-low temperature clamp, the input parts of the first encoder and the second encoder are respectively connected with the first high-low temperature extension clamp and the second high-low temperature extension clamp through the first connecting component.

As the preferred implementation mode, still include normal atmospheric temperature deformation detection mechanism and slide rail seat, the slide rail seat is arranged in the rear of pulling force machine, but high low temperature control box front and back slidable installs on the slide rail seat, normal atmospheric temperature deformation detection mechanism can install in pulling force frame's back one side overturnedly, normal atmospheric temperature deformation detection mechanism includes normal atmospheric temperature installing support, normal atmospheric temperature guide arm, first normal atmospheric temperature extension anchor clamps, second normal atmospheric temperature extension anchor clamps, third encoder and fourth encoder, normal atmospheric temperature installing support is vertical to be arranged, normal atmospheric temperature guide arm is installed on normal atmospheric temperature installing support vertically, first normal atmospheric temperature extension anchor clamps and second normal atmospheric temperature extension anchor clamps are all liftable cover and are established on the normal atmospheric temperature guide arm, third encoder and fourth encoder are all installed at the top of normal atmospheric temperature installing support, third encoder and fourth encoder's input part is connected with first normal atmospheric temperature extension anchor clamps and second normal atmospheric temperature extension anchor clamps through the second coupling assembling respectively, first normal atmospheric temperature extension anchor clamps and second normal atmospheric temperature extension anchor clamps can move to between first sample and the second sample after high low temperature control box overturnedly.

As the preferred embodiment, normal atmospheric temperature installing support realizes the upset through upset coupling assembling and pulling force frame and is connected, upset coupling assembling includes two upset connecting seats and two upset connecting rods, and two upset connecting seats are respectively by the installation in the back one side of pulling force frame of down alignment, and the one end of two upset connecting seats all is protruding to be equipped with the upset axis of rotation of vertical arrangement, and the one end of two upset connecting rods is rotationally overlapped respectively and is established in the upset axis of rotation that corresponds respectively, and the other end of two upset connecting rods is connected with one side of normal atmospheric temperature installing support respectively.

As the preferred implementation mode, first normal atmospheric temperature extends anchor clamps and second normal atmospheric temperature and extends anchor clamps and all includes second sleeve portion and second clamping part, and two second sleeve portions all overlap and establish on the normal atmospheric temperature guide arm, and the one end of two second clamping parts is connected with the one end that is close to another second sleeve portion of second sleeve portion that corresponds respectively, the second guiding hole that extends to the direction of keeping away from second sleeve portion is seted up to the other end of second clamping part at least two, and every second guiding hole is interior all sliding connection has the second guide bar, the other end outside of second clamping part still is equipped with the second clamp splice, the one end of second clamp splice is connected with the one end of a plurality of second guide bar, and the peripheral cover of at least one second guide bar is equipped with the second clamping spring in a plurality of second guide bar, the second clamping spring is located between the other end that the second guide bar is close to second sleeve portion and the other end of second clamping part in order to drive the other end that the second clamp splice to the other end that is close to second clamping part to the second clamping part to test sample.

As a preferred embodiment, the second connection assembly is provided as a steel wire.

As the preferred embodiment, the first high-low temperature extension fixture and the second high-low temperature extension fixture respectively comprise a first sleeve part and a first clamping part, the two first sleeve parts are sleeved on the high-low temperature guide rod, one end of each first clamping part is connected with one end, close to the other first sleeve part, of each corresponding first sleeve part, at least two first guide holes which extend in the direction away from each corresponding first sleeve part are formed in the other end of each first clamping part, a first guide rod is connected in each first guide hole in a sliding mode, a first clamping block is further arranged outside the other end of each first clamping part, one end of each first clamping block is connected with one end of a plurality of first guide rods, a first clamping spring is sleeved on the periphery of at least one first guide rod of the plurality of first guide rods, and is positioned between the other end, close to the first sleeve part, of each first guide rod so as to drive the other end, close to the other end, of each first clamping block to the other end, of each first clamping rod is moved towards the other end, close to the first clamping part, and the other end, so that a sample is clamped.

As a preferred embodiment, the first connection assembly is provided as a steel wire.

As a preferred embodiment, the inside of the high-low temperature control box is also provided with a heating device for increasing the temperature in the incubator, a refrigerating device for reducing the temperature in the incubator, and an air circulation device for ensuring uniform temperature distribution in the incubator.

As a preferred embodiment, the front surface of the high-low temperature control box is provided with an openable box door.

As preferred embodiment, still be equipped with the quick detach connecting seat between first sample anchor clamps and the lifting beam, quick detach connecting seat fixed mounting is in the bottom of lifting beam, the bottom of quick detach connecting seat is equipped with the top male connecting hole of confession first sample anchor clamps, the top of first sample anchor clamps still is equipped with the first jack of horizontal arrangement, the bottom of quick detach connecting seat still is equipped with the quick detach inserted bar, the one end of quick detach inserted bar inserts to the jack at the top of first sample anchor clamps that is located the connecting hole through the second jack that the bottom of quick detach connecting seat was seted up in and stretches out outside through the third jack that the bottom of quick detach connecting seat was seted up, second sample anchor clamps detachably installs in the inside bottom of pulling force frame.

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

1. the utility model has simple structure and reasonable design, adopts the high-low temperature deformation detection mechanism, and enables operators to simultaneously realize the test of the tensile force value and the tensile deformation of a test sample in the high-temperature environment or the low-temperature environment on the detection device by arranging the working cavity capable of simulating the high-temperature environment or the low-temperature environment in the high-low temperature control box, thereby realizing diversified test on one device, greatly reducing the labor cost and improving the test efficiency.

2. According to the utility model, the normal-temperature deformation detection mechanism is arranged and can be installed on one side of the back of the tension frame in a turnover manner, so that the test environment is convenient to switch, an operator can also test the tension value and the tensile deformation of a test sample in the normal-temperature environment on the detection device, the labor cost is low, and the test efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are 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.

Fig. 1 is a schematic structural diagram of a temperature-variable tensile deformation detection device according to an embodiment of the present utility model;

fig. 2 is a partial enlarged view of a temperature-variable tensile deformation detecting device according to an embodiment of the present utility model;

FIG. 3 is a second enlarged view of a portion of a temperature-variable tensile deformation detecting device according to an embodiment of the present utility model;

FIG. 4 is a partial cross-sectional view of a temperature-dependent tensile deformation detection device according to an embodiment of the present utility model;

fig. 5 is a partial enlarged view of a temperature-variable tensile deformation detecting device according to an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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, an embodiment of the present utility model provides a temperature-variable tensile deformation detection device, which includes a tension machine 1, a high-low temperature control box 2, a high-low temperature deformation detection mechanism 3, a normal temperature deformation detection mechanism 4 and a slide rail seat 5, and the following detailed description of each component of the embodiment is given with reference to the accompanying drawings.

As shown in fig. 1 and 4, the tensile machine 1 includes a tensile frame 11, a first sample holder 12, a second sample holder 13, a lifting beam 14 and a tensile driving device, where the tensile frame 11 is vertically arranged, the second sample holder 13 is detachably mounted at the lower end of the tensile frame 11, the first sample holder 12 is liftably mounted on the tensile frame 11 through the lifting beam 14, preferably, a quick-release connection seat 17 is further disposed between the first sample holder 12 and the lifting beam 14, the quick-release connection seat 17 is fixedly mounted at the bottom of the lifting beam 14, the bottom of the quick-release connection seat 17 is provided with a connection hole 171 for inserting the top of the first sample holder 12, the top of the first sample holder 12 is further provided with a first jack 121 horizontally arranged, the bottom of the quick-release connection seat 17 is further provided with a quick-release plug 172, one end of the quick-release plug 172 is inserted into a jack at the top of the first sample holder 12 located in the connection hole 171 through a second jack 173, and extends to the outside through a third jack 174 disposed at the bottom of the quick-release connection seat 17, and is connected with the tensile driving device through the plug 172 and the lifting beam 12, and the tensile driving device is conveniently mounted at the two ends of the frame 11.

As shown in fig. 1, the slide rail seat 5 is disposed at the rear of the tensile machine 1, the high-low temperature control box 2 is slidably mounted on the slide rail seat 5 back and forth, a working cavity 21 for simulating a high-temperature environment or a low-temperature environment is provided in the high-low temperature control box 2, and in specific implementation, any existing heating device capable of increasing the temperature in the incubator, any existing refrigerating device capable of reducing the temperature in the incubator, and any existing air circulation device capable of ensuring uniform temperature distribution in the incubator are further provided in the high-low temperature control box 2, so that the tensile deformation of a test sample in a specific environment can be measured in a specific manner.

Preferably, the front of the high-low temperature control box 2 is provided with an openable box door 22, so that test samples can be conveniently taken and placed.

As shown in fig. 1 and 2, the high-low temperature deformation detection mechanism 3 includes a high-low temperature mounting bracket 31, a high-low Wen Daogan, a first high-low temperature extending clamp 33, a second high-low temperature extending clamp 34, a first encoder 35 and a second encoder 36, the high-low temperature mounting bracket 31 is vertically mounted on the top of the high-low temperature control box 2, the high-low temperature guide rod 32 is vertically mounted on the high-low temperature mounting bracket 31, the bottom of the high-low temperature guide rod 32 extends downwards into the working cavity 21 of the high-low temperature control box 2, the first high-low temperature extending clamp 33 and the second high-low temperature extending clamp 34 are both sleeved at the bottom of the high-low temperature guide rod 32 in a lifting manner, the first encoder 35 and the second encoder 36 are both mounted on the top of the high-low temperature mounting bracket 31, and the input parts of the first encoder 35 and the second encoder 36 are respectively connected with the first high-low temperature extending clamp 33 and the second high-low temperature extending clamp 34 through a first connecting component 37 so as to realize the measurement of the deformation amount of the test sample under the high-low temperature environment.

In this embodiment, the first connecting member 37 and the second connecting member 47 are preferably steel wires, but any other suitable material may be used.

Preferably, the first high-low temperature extension fixture 33 and the second high-low temperature extension fixture 34 each comprise a first sleeve portion 301 and a first clamping portion 302, the two first sleeve portions 301 are sleeved on the high-low temperature guide rod 32, one end of each first clamping portion 302 is respectively connected with one end of each corresponding first sleeve portion 301 close to the other first sleeve portion 301, at least two first guide holes which are arranged in an extending mode in a direction away from each corresponding first sleeve portion 301 are formed in the other end of each first clamping portion 302, first guide rods 3021 are slidably connected in each first guide hole, first clamping blocks 303 are further arranged on the outer sides of the other ends of the first clamping portions 302, one end of each first clamping block 303 is connected with one end of each first guide rod 3021 in a sleeved mode, at least one periphery of each first guide rod 3021 is sleeved with a first clamping spring 304, each first clamping spring 304 is located between the other end of each first guide rod 3021 close to the corresponding first sleeve portion 301 and the other end of each first clamping portion 302, and the other end of each first clamping portion 302 extends in a direction away from each corresponding first clamping portion, and the other end of each first clamping portion is conveniently connected with the first clamping portion 303 in a sliding mode, and the first clamping portion is conveniently pulled to extend to the first clamping portion 303, and the sample can be conveniently connected to the high-low temperature test fixture by the first clamping portion and the high-low temperature test fixture 302.

As shown in fig. 1 and 5, the normal temperature deformation detecting mechanism 4 is installed on one side of the back of the tension frame 11 in a reversible manner, in this embodiment, the normal temperature deformation detecting mechanism 4 includes a normal temperature installing support 41, a normal temperature guide rod 42, a first normal temperature extending clamp 43, a second normal temperature extending clamp 44, a third encoder 45 and a fourth encoder 46, the normal temperature installing support 41 is vertically arranged, the normal temperature guide rod 42 is vertically installed on the normal temperature installing support 41, the first normal temperature extending clamp 43 and the second normal temperature extending clamp 44 are respectively sleeved on the normal temperature guide rod 42 in a liftable manner, the third encoder 45 and the fourth encoder 46 are respectively installed at the top of the normal temperature installing support 41, and the input parts of the third encoder 45 and the fourth encoder 46 are respectively connected with the first normal temperature extending clamp 43 and the second normal temperature extending clamp 44 through a second connecting component 47 so as to realize the measurement of the tensile deformation amount of the test sample under the normal temperature environment.

In this embodiment, the first normal temperature extension fixture 43 and the second normal temperature extension fixture 44 each include a second sleeve portion 401 and a second clamping portion 402, the two second sleeve portions 401 are all sleeved on the normal temperature guide rod 42, one end of each of the two second clamping portions 402 is connected with one end of the corresponding second sleeve portion 401, which is close to the other second sleeve portion 401, at least two second guide holes extending in a direction away from the second sleeve portion 401 are formed in the other end of each second clamping portion 402, a second guide rod 4021 is slidably connected in each second guide hole, a second clamping block 403 is further arranged outside the other end of each second clamping portion 402, one end of each second clamping block 403 is connected with one end of each of the plurality of second guide rods 4021, a second clamping spring 404 is sleeved on the periphery of at least one second guide rod 4021, and is located between the other end of the second guide rod 1, which is close to the second sleeve portion 401, and the other end of the second clamping portion 402, so that the second clamping block 403 is driven to move towards the other end of the second clamping portion 403, and the second clamping portion 403 can be conveniently connected with a sample by pulling the second clamping portion 403, and the sample can be conveniently extended to the normal temperature test portion, and the sample can be conveniently connected to the sample and the sample can be conveniently tested by pulling the second clamping portion 403.

In this embodiment, normal atmospheric temperature installing support 41 realizes the upset connection through upset coupling assembling and pulling force frame 11, upset coupling assembling 16 includes two upset coupling assembling 161 and two upset connecting rods 162, two upset coupling assembling 161 are by the installation in the back side of pulling force frame 11 of down alignment respectively, the one end of two upset coupling assembling 161 all protruding upset axis of rotation 1611 that is equipped with vertical arrangement, upset connecting rod 162 is equipped with two, the one end of two upset connecting rods 162 rotationally overlaps respectively and establishes on the upset axis of rotation 1611 that corresponds respectively, the other end of two upset connecting rods 162 is connected with one side of normal atmospheric temperature installing support 41 respectively, and a structure is simple, and it is swift to rotate, convenient switching test environment.

When the high-low temperature tensile deformation test is performed, the high-low temperature control box 2 is pushed to translate forwards along the sliding rail seat 5, so that the working cavity 21 of the high-low temperature control box moves into the tension frame 11, then the top of the first sample clamp 12 is upwards connected with the lifting beam 14 through a through hole formed in the top of the high-low temperature control box 2, the bottom of the second sample clamp 13 is downwards connected with the bottom end of the tension frame 11 through a through hole formed in the bottom of the high-low temperature control box 2, at the moment, the first high-low temperature extension clamp 33 and the second high-low temperature extension clamp 34 of the high-low temperature deformation detection mechanism 3 are both positioned between the first sample clamp 12 and the second sample clamp 13, then, the two ends of the test sample are respectively installed on the first sample clamp 12 and the second sample clamp 13, the first high-low temperature extension clamp 33 and the second high-low temperature extension clamp 34 are respectively connected with the two ends of the test sample, after the temperature of the working cavity 21 of the high-low temperature control box 2 is adjusted to a preset test temperature, the tension driving device drives the first sample clamp 12 to move upwards to drive the test sample to stretch, the tension value is recorded, meanwhile, the first encoder 35 and the second encoder 36 respectively record respective data, the data are transmitted to corresponding data processing equipment to be processed and calculated to obtain the tensile deformation, and the test of the tension value and the tensile deformation of the test sample in a high-temperature environment or a low-temperature environment is completed.

Before normal temperature tensile deformation testing, the first sample clamp 12 and the second sample clamp 13 are removed, then the high-low temperature control box 2 is pushed to translate backwards along the sliding rail seat 5 to be far away from the tensile machine 1, then the first sample clamp 12 is arranged at the bottom of the lifting beam 14, the second sample clamp 13 is arranged at the bottom end inside the tension frame 11, then the normal temperature mounting bracket 41 is moved to the rear of the first sample clamp 12 and the second sample clamp 13 through overturning, at the moment, the first normal temperature extension clamp 43 and the second normal temperature extension clamp 44 of the normal temperature deformation detection mechanism 4 are positioned between the first sample clamp 12 and the second sample clamp 13, then two ends of a test sample are respectively arranged on the first sample clamp 12 and the second sample clamp 13, the first normal temperature extension clamp 43 and the second normal temperature extension clamp 44 are respectively connected with two ends of the test sample, then the tension driving device drives the first sample clamp 12 to move upwards to drive the test sample to stretch, the tension value is recorded, and simultaneously the third encoder 45 and the fourth encoder 46 respectively record the respective data to be transmitted to corresponding data processing equipment for processing the data of the measured values and the deformation amount under normal temperature deformation testing conditions.

In summary, the utility model has simple structure and reasonable design, adopts the high-low temperature deformation detection mechanism and enables an operator to simultaneously realize the test of the tensile force value and the tensile deformation of the test sample in the high-temperature environment or the low-temperature environment on the detection device by arranging the working cavity capable of simulating the high-temperature environment or the low-temperature environment in the high-low temperature control box, thereby realizing diversified test on one device, greatly reducing the labor cost and improving the test efficiency.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a temperature change tensile deformation detection device, includes pulling force machine (1), pulling force machine (1) include pulling force frame (11), first sample anchor clamps (12), second sample anchor clamps (13), lifting cross beam (14) and pulling force drive arrangement, pulling force frame (11) are vertical to be arranged, second sample anchor clamps (13) are installed in the lower extreme of pulling force frame (11), first sample anchor clamps (12) are installed on pulling force frame (11) through lifting cross beam (14) liftable, pulling force drive arrangement installs in the inside of pulling force frame (11) and is connected with the both ends transmission of lifting cross beam (14), its characterized in that: the high-low temperature deformation detection mechanism (3) comprises a high-low temperature mounting bracket (31), a high-low temperature Wen Daogan (32), a first high-low temperature extension clamp (33), a second high-low temperature extension clamp (34), a first encoder (35) and a second encoder (36), wherein the working cavity (21) is formed in the high-low temperature control box (2), the second sample clamp (13) can be inserted into the working cavity (21), the first sample clamp (12) can extend into the working cavity (21) and is positioned above the second sample clamp (13), the high-low temperature deformation detection mechanism (3) comprises a high-low temperature mounting bracket (31), a high-low temperature Wen Daogan (32), a first high-low temperature extension clamp (33), a second high-low temperature extension clamp (34), a first encoder (35) and a second encoder (36), the high-low temperature mounting bracket (31) is vertically arranged at the top of the high-low temperature control box (2), the first high-low Wen Daogan (32) is vertically arranged on the high-low temperature mounting bracket (31), the first high-low temperature extension clamp (33) and the second high-low temperature extension clamp (33) can be vertically arranged on the high-low temperature mounting bracket (33) and the second high-low temperature extension clamp (34) and the first high-low temperature extension clamp (35) and the second high-low temperature extension clamp (33) can be respectively arranged in the high-low temperature extension clamp (33) and the high-low temperature control box (32) respectively, the first encoder (35) and the second encoder (36) are both arranged at the top of the high-low temperature mounting bracket (31), and the input parts of the first encoder (35) and the second encoder (36) are respectively connected with the first high-low temperature extension clamp (33) and the second high-low temperature extension clamp (34) through the first connecting component (37).

2. The temperature-change tensile deformation detection device according to claim 1, wherein: the device also comprises a normal temperature deformation detection mechanism (4) and a sliding rail seat (5), wherein the sliding rail seat (5) is arranged at the rear of the tension machine (1), the high-low temperature control box (2) can be installed on the sliding rail seat (5) in a front-back sliding way, the normal temperature deformation detection mechanism (4) can be installed at one side of the back of the tension frame (11) in a turnover way, the normal temperature deformation detection mechanism (4) comprises a normal temperature installation bracket (41), a normal temperature guide rod (42), a first normal temperature extension clamp (43), a second normal temperature extension clamp (44), a third encoder (45) and a fourth encoder (46), the normal temperature installation bracket (41) is vertically arranged, the normal temperature guide rod (42) is vertically installed on the normal temperature installation bracket (41), the first normal temperature extension clamp (43) and the second normal temperature extension clamp (44) are respectively sleeved on the normal temperature guide rod (42) in a lifting way, the third encoder (45) and the fourth encoder (46) are respectively installed at the top of the normal temperature installation bracket (41), the third encoder (45) and the fourth encoder (46) are respectively connected with a second normal temperature extension clamp (47) through a first normal temperature extension assembly, the first normal temperature extension clamp (43) and the second normal temperature extension clamp (44) can be overturned and moved between the first sample clamp (12) and the second sample clamp (13) after the high temperature and low temperature control box (2) is overturned.

3. The temperature-change tensile deformation detection device according to claim 2, wherein: the normal temperature installing support (41) is connected with the tension frame (11) through the upset coupling assembling, upset coupling assembling (16) are including two upset coupling assembling (161) and two upset connecting rods (162), two upset coupling assembling (161) are by the back one side of installing in tension frame (11) of down alignment respectively, the one end of two upset coupling assembling (161) all protruding upset axis of rotation (1611) that are equipped with vertical arrangement, the one end of two upset connecting rods (162) rotationally overlaps respectively and establishes on upset axis of rotation (1611) that correspond respectively, the other end of two upset connecting rods (162) is connected with one side of normal temperature installing support (41) respectively.

4. The temperature-change tensile deformation detection device according to claim 2, wherein: the first normal temperature extension fixture (43) and the second normal temperature extension fixture (44) comprise a second sleeve part (401) and a second clamping part (402), the two second sleeve parts (401) are sleeved on the normal temperature guide rod (42), one ends of the two second clamping parts (402) are respectively connected with one ends of the corresponding second sleeve parts (401) close to the other second sleeve part (401), at least two second guide holes which extend in a direction far away from the second sleeve part (401) are formed in the other ends of the second clamping part (402), second guide rods (4021) are connected in a sliding mode in each second guide hole, a second clamping block (403) is further arranged outside the other ends of the second clamping parts (402), one ends of the second clamping blocks (403) are connected with one ends of a plurality of second guide rods (4021), a second clamping spring (402) is arranged on the periphery of at least one second guide rod (4021), and the second clamping spring (404) is arranged between the second clamping blocks (402) and the other ends of the second clamping blocks (402) close to the second clamping part (402).

5. The temperature-change tensile deformation detection device according to claim 2, wherein: the second connection assembly (47) is provided as a steel wire.

6. The temperature-change tensile deformation detection device according to claim 1, wherein: the first high-low temperature extension clamp (33) and the second high-low temperature extension clamp (34) respectively comprise a first sleeve part (301) and a first clamping part (302), the two first sleeve parts (301) are sleeved on the high-low Wen Daogan (32), one ends of the two first clamping parts (302) are respectively connected with one ends of the corresponding first sleeve parts (301) close to the other first sleeve part (301), at least two first guide holes which extend in directions far away from the corresponding first sleeve parts (301) are formed in the other ends of the first clamping parts (302), first guide rods (3021) are slidably connected in each first guide hole, first clamping blocks (303) are further arranged outside the other ends of the first clamping parts (302), one ends of the first clamping blocks (303) are connected with one ends of the corresponding first guide rods (3021), at least one peripheral sleeve of one first guide rod (3021) in the corresponding first guide rods (3021) is provided with at least one first guide hole, and therefore the first clamping blocks (3021) are arranged between the other ends of the first clamping rods (302) close to the first clamping parts (302), and the other ends of the first clamping blocks (302) are close to the other ends of the first clamping blocks (302).

7. The temperature-change tensile deformation detection device according to claim 1, wherein: the first connection assembly (37) is provided as a steel wire.

8. The temperature-change tensile deformation detection device according to claim 1, wherein: the inside of the high-low temperature control box (2) is also provided with a heating device for improving the temperature in the incubator, a refrigerating device for reducing the temperature in the incubator and an air circulation device for ensuring uniform temperature distribution in the incubator.

9. The temperature-change tensile deformation detection device according to claim 1, wherein: the front surface of the high-low temperature control box (2) is provided with an openable box door (22).

10. The temperature-change tensile deformation detection device according to claim 1, wherein: still be equipped with quick detach connecting seat (17) between first sample anchor clamps (12) and lifting beam (14), quick detach connecting seat (17) fixed mounting is in the bottom of lifting beam (14), the bottom of quick detach connecting seat (17) is equipped with and supplies top male connecting hole (171) of first sample anchor clamps (12), the top of first sample anchor clamps (12) still is equipped with first jack (121) of horizontal arrangement, the bottom of quick detach connecting seat (17) still is equipped with quick detach inserted bar (172), the one end of quick detach inserted bar (172) inserts in the jack at the top of first sample anchor clamps (12) in connecting hole (171) and stretches out outside through third jack (174) that the bottom of quick detach connecting seat (17) was seted up, second sample anchor clamps (13) detachably install in the inside bottom of pulling force frame (11).