Compression type tension sensor calibration clamp and use method

Abstract

The invention relates to the technical field of oil field geological exploration, and discloses a compression type tension sensor calibration clamp, an upper support and a lower support are arranged in a staggered manner, and the upper support comprises an upper support top plate, a plurality of upper support connecting rods, an upper support bottom plate and a return assembly; the lower support comprises a lower support top plate and a supporting frame, the lower support top plate is arranged on the top of the supporting frame to form a frame structure, one ends of the upper support connecting rods are arranged on the upper support top plate, and the other ends of the upper support connecting rods penetrate through the lower support top plate to be connected to the upper support bottom plate. A compression type tension sensor is placed on the upper support bottom plate, the upper support bottom plate is driven by a plurality of upper support connecting rods to do lifting motion on the frame structure, and the upper support bottom plate and the lower support top plate are arranged to press the compression type tension sensor. Compression type measurement is carried out on the compression type tension sensor through the upper support and the lower support under the action of tension provided by the tension calibration device through extension, so that compression type calibration of the tension sensor is completed.

Description

Technical Field

[0001] The invention relates to the technical field of oilfield geological exploration, in particular to a compression type tension sensor calibration fixture. Background Art

[0002] During the logging process, a tension sensor is installed on the ground Martindike. The real-time measured cable tension value changes are used together with the tension value measured by the downhole instrument to determine the operating status of the instrument string in the well. When the instrument encounters resistance, the value of the Martindike tension sensor decreases, and when the instrument encounters a jam, the value of the Martindike tension sensor increases. This can provide data reference for ground operators when solving instrument operation problems and take corresponding measures according to actual conditions.

[0003] Tension sensors are mostly measured using the displacement sensing principle, relying on the different positions of the core rod in the displacement sensor to indirectly measure the tension. According to the relationship between the core rod's movement direction and the change in tension value, tension sensors are divided into two types: extension type and compression type. When the core rod length increases, the tension value increases, which is an extension type tension sensor. When the core rod length shortens, the tension value increases, which is a compression type tension sensor. Tension sensors need to be calibrated after being used for a period of time to ensure that their performance meets the requirements of on-site use. Existing tension calibration devices are mostly tensile type, which are suitable for the calibration of elongation type tension sensors. It is necessary to innovate a universal fixture, use a tensile type tension calibration device to calibrate compression type tension sensors, reduce investment costs, and meet the needs of on-site rapid calibration. Summary of the invention

[0004] In order to overcome the defects of the prior art mentioned above, the purpose of the present invention is to provide a compression tension sensor calibration fixture to solve the technical problem of how to calibrate the compression tension sensor.

[0005] The present invention is achieved through the following technical solutions:

[0006] The cam is secured to the bottom of the support frame and is used for camming and weaving the cams together to form a tensioning mechanism, wherein the cams are secured on a platform, wherein the cams are secured on a platform, wherein the cams are secured on a platform, wherein the cams are secured on a platform.

[0007] Preferably, the first connecting rod mounting holes are respectively opened on the edges of the upper bracket top plate, and the two end portions of the upper bracket connecting rod are provided with connecting rod mounting threads, wherein the connecting rod mounting thread at one end of the upper bracket connecting rod passes through the first connecting rod mounting hole and then is assembled with an anti-retraction nut, and the other end passes through the lower bracket top plate and the upper bracket bottom plate in sequence and then is assembled with an anti-retraction nut.

[0008] Preferably, a first connecting handle mounting hole is provided at the center of the top plate of the upper bracket, and a second connecting handle mounting hole is provided at the bottom center of the support frame. The first connecting handle mounting hole is coaxially corresponding to the second connecting handle mounting hole, and the clamp connecting handle is vertically assembled on the first connecting handle mounting hole and the second connecting handle mounting hole, respectively.

[0009] Furthermore, a connecting rod mounting hole is provided on the clamp connecting handle, a connecting rod passes through the connecting rod mounting hole, and the connecting rod is connected to the tension calibration device.

[0010] Furthermore, one end of the clamp connecting handle is provided with a mounting thread, and the mounting thread is respectively passed through the first connecting handle mounting hole or the second connecting handle mounting hole and then assembled with a connecting handle anti-retraction nut.

[0011] Preferably, the return assembly includes a plurality of return support rods and a limit spring, wherein the plurality of return support rods are arranged on the top plate of the lower bracket through the bottom plate of the upper bracket, and the bottom plate of the upper bracket moves up and down on the plurality of return support rods, and the limit spring is located between the bottom plate of the upper bracket and the top plate of the lower bracket, and is sleeved on the return support rods.

[0012] Preferably, the edges of the upper bracket bottom plate are respectively provided with a plurality of second connecting rod mounting holes and a first return support rod mounting holes, the plurality of second connecting rod mounting holes are used for correspondingly connecting a plurality of upper bracket connecting rods, and the plurality of first return support rod mounting holes are used for correspondingly connecting return components; a limiting groove is provided at the center position of the upper bracket bottom plate, and the compression tension sensor is assembled on the limiting groove.

[0013] Preferably, the lower bracket top plate includes a plurality of second return support rod mounting holes and a third connecting rod mounting hole, the plurality of third connecting rod mounting holes are used to correspondingly connect a plurality of upper bracket connecting rods, and the plurality of second return support rod mounting holes are used to correspondingly connect return assemblies.

[0014] Preferably, the top plate of the upper bracket, the bottom plate of the upper bracket, the top plate of the lower bracket and the bottom of the support frame are all coaxially arranged.

[0015] A method for using a compression tension sensor calibration fixture, based on the compression tension sensor calibration fixture described above, includes the following process:

[0016] When calibrating the compression tension sensor, the tension calibration device drives the upper bracket top plate of the upper bracket to move upward, and at the same time, the tension calibration device drives the support frame of the lower bracket to move downward. The bracket top plate drives the upper bracket bottom plate to move upward through a number of upper bracket connecting rods, and the lower bracket top plate moves downward driven by the support frame. At this time, the gap between the upper bracket bottom plate and the lower bracket top plate is reduced until the upper bracket bottom plate and the lower bracket top plate press the compression tension sensor and then drive the inner core rod of the compression tension sensor to perform compression movement, thereby achieving the purpose of tension meter sensor calibration.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects:

[0018] The present invention provides a compression tension sensor calibration fixture, which is formed by staggeredly arranging an upper bracket and a lower bracket, wherein the upper bracket includes an upper bracket top plate, a plurality of upper bracket connecting rods, an upper bracket bottom plate and a return assembly; the lower bracket includes a lower bracket top plate and a support frame, wherein the lower bracket top plate is arranged on the top of the support frame to form a frame structure, one end of a plurality of upper bracket connecting rods is arranged on the upper bracket top plate, and the other end passes through the lower bracket top plate and is connected to the upper bracket bottom plate, the upper bracket bottom plate is located in the frame structure, and a compression tension sensor is placed on the upper bracket bottom plate, the upper bracket bottom plate is driven by the plurality of upper bracket connecting rods to perform lifting movement on the frame structure, and is pressed against the compression tension sensor with the lower bracket top plate, and the compression tension sensor can be measured by the upper bracket and the lower bracket under the action of the tension provided by the tension calibration device through elongation, thereby completing the compression calibration of the tension sensor.

[0019] Furthermore, first connecting rod mounting holes are respectively opened on the edges of the top plate of the upper bracket, and connecting rod mounting threads are provided at both ends of the upper bracket connecting rod, wherein the connecting rod mounting thread at one end of the upper bracket connecting rod passes through the first connecting rod mounting hole and then is assembled with an anti-retraction nut, and the other end passes through the lower bracket top plate and the upper bracket bottom plate in sequence and then is assembled with an anti-retraction nut, thereby improving the stability of the upper bracket structure and facilitating compression calibration testing of the tension sensor through stretching of the upper bracket and the lower bracket.

[0020] Furthermore, a first connecting handle mounting hole is provided at the center of the top plate of the upper bracket, and a second connecting handle mounting hole is provided at the center position of the bottom of the support frame. The first connecting handle mounting hole is coaxially corresponding to the second connecting handle mounting hole. The clamp connecting handle is vertically assembled on the first connecting handle mounting hole and the second connecting handle mounting hole, respectively, and connected to the mounting clamp connecting handle, so that the clamp connecting handle is connected to the tension calibration device to provide pulling force.

[0021] Furthermore, one end of the clamp connecting handle is provided with a mounting thread, which is respectively passed through the first connecting handle mounting hole or the second connecting handle mounting hole and then assembled with a connecting handle anti-retraction nut, thereby ensuring the installation stability between the clamp connecting handle and the first connecting handle mounting hole or the second connecting handle mounting hole, and facilitating compression calibration testing of the tension sensor.

[0022] Furthermore, the return assembly includes a plurality of return support rods and limit springs. The plurality of return support rods are arranged on the top plate of the lower bracket through the bottom plate of the upper bracket. The bottom plate of the upper bracket moves up and down on the plurality of return support rods. The limit spring is located between the bottom plate of the upper bracket and the top plate of the lower bracket, and is sleeved on the return support rods, which can effectively compress the bottom plate of the upper bracket and the top plate of the lower bracket for return.

[0023] Furthermore, a plurality of second connecting rod mounting holes and a first return support rod mounting holes are respectively provided on the edges of the upper bracket bottom plate, and the plurality of second connecting rod mounting holes are used for correspondingly connecting a plurality of upper bracket connecting rods, and the plurality of first return support rod mounting holes are used for correspondingly connecting return components; the stability of the assembly of the upper bracket connecting rod and the return component on the upper bracket top plate is improved, and a limiting groove is provided at the center position of the upper bracket bottom plate, and the compression tension sensor is assembled on the limiting groove to prevent the sensor from being displaced left and right during the calibration process.

[0024] Furthermore, the top plate of the lower bracket includes a plurality of second return support rod mounting holes and a third connecting rod mounting holes. The plurality of third connecting rod mounting holes are used for correspondingly connecting a plurality of upper bracket connecting rods, and the plurality of second return support rod mounting holes are used for correspondingly connecting return assemblies, thereby improving the stability of the assembly of the upper bracket connecting rods and the return assemblies on the top plate of the lower bracket.

[0025] Furthermore, the upper bracket top plate, the upper bracket bottom plate, the lower bracket top plate and the bottom of the support frame are all coaxially arranged, so that the pressure and compression force provided by the compression tension sensor calibration fixture can be uniform, ensuring the accuracy of the compression calibration test of the tension sensor.

[0026] The present invention provides a method for using a compression tension sensor calibration fixture, which effectively utilizes an existing tensile tension calibration device to calibrate the compression tension sensor, uses the tensile tension calibration device to calibrate the compression tension sensor, reduces investment costs, and also meets the needs of on-site rapid calibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the calibration fixture of the compression tension sensor in the present invention;

[0028] Figure 2 It is a structural schematic diagram of the clamp connecting handle in the present invention;

[0029] Figure 3It is a structural schematic diagram of the return support rod assembly in the present invention;

[0030] Figure 4 It is a structural schematic diagram of the support connecting rod in the present invention;

[0031] Figure 5 It is a front view of the top plate of the upper bracket in the present invention;

[0032] Figure 6 It is a front view of the bottom plate of the upper bracket in the present invention;

[0033] Figure 7 It is a front view of the top plate of the lower bracket in the present invention;

[0034] Figure 8 This is a schematic diagram of the lower bracket structure of the present invention;

[0035] In the figure: 1-upper bracket; 2-lower bracket; 3-compression tension sensor; 4-clamp connecting handle; 5-anti-retraction nut; 6-upper bracket top plate; 7-upper bracket connecting rod; 8-upper bracket bottom plate; 9-return support rod; 10-limiting spring; 11-lower bracket top plate; 12-support frame; 41-connecting rod mounting hole; 42-mounting thread; 43-connecting handle anti-retraction nut; 71-connecting rod mounting thread; 61-first connecting handle mounting hole; 62-first connecting rod mounting hole; 81-limiting groove; 82-first return support rod mounting hole; 83-second connecting rod mounting hole; 111-second return support rod mounting hole; 112-third connecting rod mounting hole; 121-second connecting handle mounting hole. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0037] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0038] See also Figure 1 In one embodiment of the present invention, a compression tension sensor calibration fixture is provided, including an upper bracket 1, a lower bracket 2, a compression tension sensor 3, and two sets of fixture connecting handles 4, wherein the upper bracket 1 includes an upper bracket top plate 6, a plurality of upper bracket connecting rods 7, an upper bracket bottom plate 8 and a return assembly; the lower bracket 2 includes a lower bracket top plate 11 and a support frame 12.

[0039] Specifically, according to Figure 2As shown, a connecting rod mounting hole 41 is provided on the clamp connecting handle 4, and a connecting rod passes through the connecting rod mounting hole 41. The connecting rod is connected to the tension calibration device, and a mounting thread 42 is provided at one end of the clamp connecting handle 4. The mounting thread 42 is respectively passed through the first connecting handle mounting hole 61 or the second connecting handle mounting hole 121 and then assembled with a connecting handle anti-retraction nut 43 to prevent the clamp connecting handle 4 from falling off during use.

[0040] Specifically, according to Figure 3 As shown, the return assembly includes a plurality of return support rods 9 and a limit spring 10. The plurality of return support rods 9 are arranged on the lower bracket top plate 11 through the upper bracket bottom plate 8. The upper bracket bottom plate 8 moves up and down on the plurality of return support rods 9. The limit spring 10 is located between the upper bracket bottom plate 8 and the lower bracket top plate 11, and is sleeved on the return support rod 9. Under the support of the limit spring 10, an open space is formed between the upper bracket bottom plate 8 and the lower bracket top plate 11 to facilitate the installation of the tension sensor. When performing calibration operations, the gap between the upper bracket bottom plate 8 and the lower bracket top plate 11 becomes smaller, driving the tension sensor core rod to perform compression movement.

[0041] Specifically, according to Figure 4 and Figure 5 As shown, the edges of the upper bracket top plate 6 are respectively provided with first connecting rod mounting holes 62, and both ends of the upper bracket connecting rod 7 are provided with connecting rod mounting threads 71, wherein the connecting rod mounting thread 71 at one end of the upper bracket connecting rod 7 passes through the first connecting rod mounting hole 62 and then is assembled with the anti-retraction nut 5, and the other end passes through the lower bracket top plate 11 and the upper bracket bottom plate 8 in sequence and then is assembled with the anti-retraction nut 5.

[0042] Among them, according to Figure 5 and Figure 8 As shown, a first connecting handle mounting hole 61 is provided at the center of the upper bracket top plate 6, and a second connecting handle mounting hole 121 is provided at the bottom center of the support frame 12. The first connecting handle mounting hole 61 corresponds to the second connecting handle mounting hole 121 coaxially, and the clamp connecting handle 4 is vertically assembled on the first connecting handle mounting hole 61 and the second connecting handle mounting hole 121 respectively.

[0043] Specifically, according to Figure 6 As shown, a plurality of second connecting rod mounting holes 83 and a first return support rod mounting hole 82 are respectively provided on the edges of the upper bracket base plate 8, and the plurality of second connecting rod mounting holes 83 are used for correspondingly connecting a plurality of upper bracket connecting rods 7, and the plurality of first return support rod mounting holes 82 are used for correspondingly connecting return components; a limiting groove 81 is provided at the center position of the upper bracket base plate 8, and the compression tension sensor 3 is assembled on the limiting groove 81.

[0044] Specifically, according to Figure 7As shown, the lower bracket top plate 11 includes a plurality of second return support rod mounting holes 111 and a third connecting rod mounting hole 112, wherein the plurality of third connecting rod mounting holes 112 are used to correspondingly connect a plurality of upper bracket connecting rods 7, and the plurality of second return support rod mounting holes 111 are used to correspondingly connect the return components.

[0045] In one embodiment of the present invention, a compression tension sensor calibration fixture installation process is provided as follows:

[0046] 1) Connect the clamp connecting handle 4 to the upper bracket top plate 6 through the first connecting handle mounting hole of the upper bracket top plate 6. The clamp connecting handle 4 is fixed with the connecting handle anti-retraction nut 43 to prevent the clamp connecting handle 4 from falling off during the tensile test.

[0047] 2) Connect the clamp connecting handle 4 to the support frame 12 through the second connecting handle mounting hole of the support frame 12. The clamp connecting handle 4 is fixed with the connecting handle anti-retraction nut 43 to prevent the clamp connecting handle 4 from falling off during the tensile test.

[0048] 3) Place the upper bracket bottom plate 8 in the frame structure, use four upper bracket connecting rods 7 to pass through the mounting holes of the upper bracket top plate 6 and the upper bracket bottom plate 8, and use anti-retraction nuts to fix them, so that the bracket top plate 6 and the upper bracket bottom plate 8 are combined into a whole to form a clamp upper bracket. At this time, the bracket top plate 6, the upper bracket bottom plate 8 and the lower bracket top plate 11 are in a parallel state.

[0049] 4) Combine the return support rod 9 and the limit spring 10, pass the return support rod 9 through the return support rod mounting holes of the upper bracket bottom plate 8 and the lower bracket top plate 11, and fix them with anti-retraction nuts. Under the action of the limit spring, a tension sensor installation space is formed between the lower fixed plate of the upper bracket and the lower bracket of the clamp.

[0050] 5) The clamp connecting handles 4 of the upper and lower brackets are connected to the upper and lower connecting interfaces of the tension sensor calibration device. The entire calibration fixture is in a vertical state, and the compression tension sensor is placed in the tension sensor limit groove of the fixed disk under the bracket.

[0051] In one embodiment of the present invention, a method for using a compression tension sensor calibration fixture is provided, based on the above-mentioned compression tension sensor calibration fixture, including the following process:

[0052] When calibrating the compression tension sensor, the tension calibration device drives the upper bracket top plate 6 of the upper bracket 1 to move upward, and at the same time, the tension calibration device drives the support frame 12 of the lower bracket 2 to move downward. The bracket top plate 6 drives the upper bracket bottom plate 8 to move upward through a number of upper bracket connecting rods 7, and the lower bracket top plate 11 moves downward under the drive of the support frame 12. At this time, the gap between the upper bracket bottom plate 8 and the lower bracket top plate 11 is reduced until the upper bracket bottom plate 8 and the lower bracket top plate 11 press the compression tension sensor 3 and drive the inner core rod of the compression tension sensor to perform compression movement, thereby achieving the purpose of tension meter sensor calibration.

[0053] In summary, the present invention provides a compression tension sensor calibration fixture, which is formed by staggering an upper bracket and a lower bracket, wherein the upper bracket includes an upper bracket top plate, a plurality of upper bracket connecting rods, an upper bracket bottom plate and a return assembly; the lower bracket includes a lower bracket top plate and a support frame, the lower bracket top plate is arranged on the top of the support frame to form a frame structure, one end of a plurality of upper bracket connecting rods is arranged on the upper bracket top plate, and the other end passes through the lower bracket top plate and is connected to the upper bracket bottom plate, the upper bracket bottom plate is located in the frame structure, and a compression tension sensor is placed on the upper bracket bottom plate, the upper bracket bottom plate is driven by a plurality of upper bracket connecting rods to perform lifting movement on the frame structure, and is pressed against the compression tension sensor with the lower bracket top plate, and the compression tension sensor can be measured by the upper bracket and the lower bracket under the action of the tension provided by the tension calibration device through elongation, thereby completing the compression calibration of the tension sensor.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A compression tension sensor calibration fixture, characterized in that: The invention comprises an upper bracket (1) and a lower bracket (2); the upper bracket (1) comprises an upper bracket top plate (6), a plurality of upper bracket connecting rods (7), an upper bracket bottom plate (8) and a return assembly; the lower bracket (2) comprises a lower bracket top plate (11) and a support frame (12); the lower bracket top plate (11) is arranged on the top of the support frame (12) to form a frame structure; one end of the plurality of upper bracket connecting rods (7) is arranged on the upper bracket top plate (6), and the other end passes through the lower bracket top plate (11) and is connected to the upper bracket bottom plate (8); the upper bracket bottom plate (8) is located in the frame structure. A compression tension sensor (3) is placed on the upper bracket bottom plate (8), and the upper bracket bottom plate (8) is driven by a plurality of upper bracket connecting rods (7) to perform lifting movement on the frame structure, and is pressed against the compression tension sensor (3) by the lower bracket top plate (11). A clamp connecting handle (4) is provided at the bottom of the upper bracket top plate (6) and the support frame (12), and is used to connect a tension calibration device to provide a pulling force; the return assembly is provided between the upper bracket bottom plate (8) and the lower bracket top plate (11), and is used for return between the upper bracket bottom plate (8) and the lower bracket top plate (11).

2. A compression tension sensor calibration fixture according to claim 1, characterized in that: The edges of the upper bracket top plate (6) are respectively provided with first connecting rod mounting holes (62), and both ends of the upper bracket connecting rod (7) are provided with connecting rod mounting threads (71), wherein the connecting rod mounting thread (71) at one end of the upper bracket connecting rod (7) passes through the first connecting rod mounting hole (62) and is then assembled with an anti-retraction nut (5), and the other end passes through the lower bracket top plate (11) and the upper bracket bottom plate (8) in sequence and is then assembled with an anti-retraction nut (5).

3. A compression tension sensor calibration fixture according to claim 1, characterized in that: A first connecting handle mounting hole (61) is provided at the center of the top plate (6) of the upper bracket, and a second connecting handle mounting hole (121) is provided at the center of the bottom of the support frame (12). The first connecting handle mounting hole (61) corresponds to the second connecting handle mounting hole (121) coaxially, and the clamp connecting handle (4) is vertically mounted on the first connecting handle mounting hole (61) and the second connecting handle mounting hole (121), respectively.

4. A compression tension sensor calibration fixture according to claim 3, characterized in that: The clamp connecting handle (4) is provided with a connecting rod mounting hole (41), a connecting rod passes through the connecting rod mounting hole (41), and the connecting rod is connected to the tension calibration device.

5. A compression tension sensor calibration fixture according to claim 3, characterized in that: One end of the clamp connecting handle (4) is provided with a mounting thread (42), and the mounting thread (42) is respectively passed through the first connecting handle mounting hole (61) or the second connecting handle mounting hole (121) and then assembled with a connecting handle anti-retraction nut (43).

6. A compression tension sensor calibration fixture according to claim 1, characterized in that: The return assembly comprises a plurality of return support rods (9) and a limit spring (10); the plurality of return support rods (9) are arranged on a lower support top plate (11) through an upper support bottom plate (8); the upper support bottom plate (8) moves up and down on the plurality of return support rods (9); the limit spring (10) is located between the upper support bottom plate (8) and the lower support top plate (11), and is sleeved on the return support rods (9).

7. A compression tension sensor calibration fixture according to claim 1, characterized in that: The edges of the upper bracket bottom plate (8) are respectively provided with a plurality of second connecting rod mounting holes (83) and a first return support rod mounting hole (82); the plurality of second connecting rod mounting holes (83) are used to correspondingly connect a plurality of upper bracket connecting rods (7); and the plurality of first return support rod mounting holes (82) are used to correspondingly connect return components; a limiting groove (81) is provided at the center position of the upper bracket bottom plate (8), and the compression tension sensor (3) is assembled on the limiting groove (81).

8. The compression tension sensor calibration fixture according to claim 1, characterized in that: The lower bracket top plate (11) comprises a plurality of second return support rod mounting holes (111) and a third connecting rod mounting hole (112); the plurality of third connecting rod mounting holes (112) are used to correspondingly connect to a plurality of upper bracket connecting rods (7); and the plurality of second return support rod mounting holes (111) are used to correspondingly connect to return components.

9. A compression tension sensor calibration fixture according to claim 1, characterized in that: The upper bracket top plate (6), the upper bracket bottom plate (8), the lower bracket top plate (11) and the bottom of the support frame (12) are all coaxially arranged.

10. A method for using a compression tension sensor calibration fixture, based on a compression tension sensor calibration fixture according to any one of claims 1 to 9, characterized in that: The process includes the following: When calibrating the compression tension sensor, the tension calibration device drives the upper bracket top plate (6) of the upper bracket (1) to move upward, and at the same time, the tension calibration device drives the support frame (12) of the lower bracket (2) to move downward. The bracket top plate (6) drives the upper bracket bottom plate (8) to move upward through a plurality of upper bracket connecting rods (7), and the lower bracket top plate (11) moves downward under the drive of the support frame (12). At this time, the gap between the upper bracket bottom plate (8) and the lower bracket top plate (11) is reduced until the upper bracket bottom plate (8) and the lower bracket top plate (11) compress the compression tension sensor (3) and drive the inner core rod of the compression tension sensor to perform compression movement, thereby achieving the purpose of tension meter sensor calibration.

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