Clamping jaw device and detection device

Abstract

The utility model relates to the technical field of battery detection, in particular to a clamping jaw device and a detection device. The clamping jaw device comprises a base, a first driving part and a second driving part, wherein the first driving part and the second driving part are mounted on the base; the first driving piece comprises a first driving part, and the second driving piece comprises a second driving part; the first driving part is connected with the first clamping jaw, and the second driving part is connected with the second clamping jaw; wherein the first driving part drives the first clamping jaw, and the second driving part drives the second clamping jaw, so that the first clamping jaw and the second clamping jaw get close to each other or get away from each other. The first clamping jaw and the second clamping jaw are respectively driven by the first driving piece and the second driving piece, so that the power battery module can be clamped up or put down, the labor input is effectively reduced, the material taking working efficiency of the battery module can be improved, and the labor intensity in the power battery module detection process can be reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of battery detection, and in particular to a clamping device and a detection device. Background Art

[0002] The power battery module has a certain size and weight, and its appearance includes multiple surfaces. During the appearance inspection, each surface needs to be inspected.

[0003] The power battery module is relatively large in size and heavy in weight. Appearance inspection currently relies on manual material collection, which has low efficiency and high labor intensity. Summary of the Invention

[0004] The present disclosure provides a clamping device and a detection device to at least solve the above technical problems existing in the prior art.

[0005] A first aspect of the present disclosure provides a clamping device comprising: a base and a first driving member and a second driving member mounted on the base;

[0006] The first driving member includes a first driving portion, and the second driving member includes a second driving portion;

[0007] The first driving portion is connected to the first clamping jaw, and the second driving portion is connected to the second clamping jaw;

[0008] The first driving member drives the first clamping jaw, and the second driving member drives the second clamping jaw, so that the first clamping jaw and the second clamping jaw move closer to each other or move away from each other.

[0009] Furthermore, the first clamping jaw includes a first vertical plate and a second vertical plate, and the first vertical plate and the second vertical plate are spaced apart;

[0010] The first vertical plate is equipped with a third driving member, the third driving member includes a third driving portion, and the third driving portion is connected to the first baffle;

[0011] The second vertical plate is equipped with a fourth driving member, the fourth driving member includes a fourth driving portion, and the fourth driving portion is connected to the second baffle;

[0012] The first baffle and the second baffle are spaced apart in the X direction, and the third driving member and the fourth driving member drive the first baffle and the second baffle respectively, so that the first baffle and the second baffle are moved closer to or farther away from each other in the X direction.

[0013] Furthermore, the second clamping jaw includes a third vertical plate and a fourth vertical plate, and the third vertical plate and the fourth vertical plate are spaced apart;

[0014] The third vertical plate is equipped with a fifth driving member, the fifth driving member includes a fifth driving portion, and the fifth driving portion is connected to the third baffle;

[0015] The fourth vertical plate is equipped with a sixth driving member, the sixth driving member includes a sixth driving portion, and the sixth driving portion is connected to a fourth baffle;

[0016] The third baffle and the fourth baffle are spaced apart in the X direction, and the fifth driving member and the sixth driving member drive the third baffle and the fourth baffle respectively, so that the third baffle and the fourth baffle are moved closer to or farther away from each other in the X direction.

[0017] Furthermore, at least one of the first baffle and the second baffle is provided with a first buffer component;

[0018] And / or, at least one of the third baffle and the fourth baffle is provided with a second buffer component.

[0019] Furthermore, the first clamping jaw includes a first slider, the base is provided with a first guide rail, the first slider is slidably engaged with the first guide rail, and the first vertical plate and the second vertical plate are both connected to the first slider;

[0020] And / or, the second clamping jaw includes a second slider, the base is provided with a second guide rail, the second slider is slidably engaged with the second guide rail, and the third vertical plate and the fourth vertical plate are both connected to the second slider.

[0021] Furthermore, the first clamping jaw includes a first clamping portion and a first supporting portion, the first clamping portion is connected to the first driving portion, and the first supporting portion extends from the first clamping portion toward the second clamping jaw;

[0022] And / or, the second clamping jaw includes a second clamping portion and a second supporting portion, the second clamping portion is connected to the second driving portion, and the second supporting portion extends from the second clamping portion toward the first clamping jaw.

[0023] Furthermore, at least one of the first jaw and the second jaw is provided with a first displacement sensor, which is used to detect first displacement information of the first jaw or the second jaw to the workpiece to be tested, and transmit the detected first displacement information to the controller, and the controller controls the movement of the first jaw or the second jaw according to the first displacement information.

[0024] Furthermore, it also includes a first bracket and a second bracket;

[0025] The first bracket is mounted on the base, and the first driving member includes a first mounting portion, and the first mounting portion is connected to the first bracket;

[0026] The second bracket is mounted on the base, and the second driving member includes a second mounting portion, and the second mounting portion is connected to the second bracket;

[0027] The first clamping jaw and the second clamping jaw are arranged opposite to each other and can move closer to or farther away from each other in the Y direction.

[0028] Furthermore, the first bracket includes a first mounting plate, the first mounting plate is connected to the base, the first mounting plate is provided with a second displacement sensor, the second bracket includes a second mounting plate, the second mounting plate is connected to the base, the second mounting plate is provided with a third displacement sensor, and the second displacement sensor and the third displacement sensor are staggered in the X direction;

[0029] The second displacement sensor is used to detect second displacement information from the first mounting plate to the workpiece to be tested, and transmit the detected second displacement information to the controller;

[0030] The third displacement sensor is used to detect third displacement information from the second mounting plate to the workpiece to be tested, and transmit the detected third displacement information to the controller;

[0031] The controller is used to control the movement of the first clamping jaw or the second clamping jaw according to the second displacement information and the third displacement information.

[0032] A second aspect of the present disclosure provides a detection device, comprising the clamping device described in the first aspect.

[0033] The technical solution provided by the embodiments of the present disclosure has the following advantages over the prior art:

[0034] The clamping device provided by the embodiment of the present disclosure includes a base and a first driving member and a second driving member mounted on the base; the first driving member includes a first driving portion, and the second driving member includes a second driving portion; the first driving portion is connected to the first clamping jaw, and the second driving portion is connected to the second clamping jaw, wherein the first driving member drives the first clamping jaw, and the second driving member drives the second clamping jaw, so that the first clamping jaw and the second clamping jaw move closer to or farther away from each other. The embodiment of the present disclosure uses the first driving member and the second driving member to drive the first clamping jaw and the second clamping jaw, respectively, to pick up or put down the power battery module, effectively reducing manual input, improving the efficiency of the battery module retrieval work, and helping to reduce the labor intensity during the power battery module inspection process.

[0035] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings, in which several embodiments of the present disclosure are shown by way of example and not limitation, wherein:

[0037] In the drawings, the same or corresponding reference numerals denote the same or corresponding parts.

[0038] Figure 1 The structure diagram of the clamping device provided by the embodiment of the present disclosure is shown. Figure 1 ;

[0039] Figure 2 The structure diagram of the clamping device provided by the embodiment of the present disclosure is shown. Figure 2 .

[0040] Explanation of the reference numerals in the figure: 1, first driving member; 11, first driving portion; 2, second driving member; 21, second driving portion; 31, first vertical plate; 311, third driving member; 312, first baffle; 32, second vertical plate; 321, fourth driving member; 322, second baffle; 33, first buffer component; 34, first slider; 35, first clamping portion; 36, first bottom supporting portion; 37, first displacement sensor; 41, third vertical plate; 411, Fifth driving member; 412, third baffle; 42, fourth vertical plate; 421, sixth driving member; 422, fourth baffle; 43, second buffer component; 44, second slider; 45, second clamping portion; 46, second bottom supporting portion; 5, base; 51, first guide rail; 52, second guide rail; 6, first bracket; 61, first mounting plate; 611, second displacement sensor; 7, second bracket; 71, second mounting plate; 711, third displacement sensor. DETAILED DESCRIPTION

[0041] To make the purposes, features, and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present disclosure without creative work shall fall within the scope of protection of the present disclosure.

[0042] Combine Figure 1 and Figure 2As shown, the clamping device provided by the embodiment of the present disclosure includes a base 5 and a first driving member 1 and a second driving member 2 installed on the base 5; the first driving member 1 includes a first driving portion 11, and the second driving member 2 includes a second driving portion 21; the first driving portion 11 is connected to the first clamping jaw, and the second driving portion 21 is connected to the second clamping jaw, wherein the first driving member 1 drives the first clamping jaw, and the second driving member 2 drives the second clamping jaw, so that the first clamping jaw and the second clamping jaw are moved closer to or away from each other. The embodiment of the present disclosure drives the first clamping jaw and the second clamping jaw respectively by the first driving member 1 and the second driving member 2, which can pick up or put down the power battery module, effectively reducing manual input, improving the efficiency of the battery module picking work, and helping to reduce the labor intensity during the power battery module detection process.

[0043] Alternatively, the first driving member 1 may be a first cylinder. Typically, a cylinder includes a cylinder body and a piston rod connected to each other, the cylinder body of the first cylinder being fixed to the base 5, and the first driving portion 11 being located on the piston rod of the first cylinder. Alternatively, the second driving member 2 may be a second cylinder. The cylinder body of the second cylinder is fixed to the base 5, and the second driving portion 21 is located on the piston rod of the second cylinder.

[0044] In some specific embodiments, the first clamp includes a first vertical plate 31 and a second vertical plate 32. Optionally, the first vertical plate 31 and the second vertical plate 32 are both slidably engaged with the base 5, which can improve the stability of the clamp device. The first vertical plate 31 and the second vertical plate 32 are spaced apart; the first vertical plate 31 is mounted with a third driving member 311, the third driving member 311 includes a third driving portion, and the third driving portion is connected to the first baffle 312. Optionally, the third driving member 311 can be a third cylinder, the cylinder body of the third cylinder is fixed to the first vertical plate 31, and the third driving portion is located at the piston rod of the third cylinder. The second vertical plate 32 is mounted with a fourth driving member 321, the fourth driving member 321 includes a fourth driving portion, and the fourth driving portion is connected to the second baffle 322. Optionally, the fourth driving member 321 can be a fourth cylinder, the cylinder body of the fourth cylinder is fixed to the second vertical plate 32, and the fourth driving portion is located at the piston rod of the fourth cylinder.

[0045] The first baffle 312 and the second baffle 322 are spaced apart in the X-direction, which may be the width of the base 5. The third driving member 311 and the fourth driving member 321 respectively drive the first baffle 312 and the second baffle 322 to move toward or away from each other in the X-direction. The third driving member 311 drives the first baffle 312, while the fourth driving member 321 drives the second baffle 322, thereby clamping the power battery module in the X-direction, improving stability, effectively reducing labor input, and improving the efficiency of battery module removal, thereby reducing labor intensity during power battery module testing.

[0046] In some specific embodiments, the second clamp includes a third vertical plate 41 and a fourth vertical plate 42. Optionally, the third vertical plate 41 and the fourth vertical plate 42 are both slidably engaged with the base 5, which can improve the stability of the clamp device. The third vertical plate 41 and the fourth vertical plate 42 are spaced apart. The third vertical plate 41 is equipped with a fifth driving member 411. The fifth driving member 411 includes a fifth driving part, and the fifth driving part is connected to the third baffle 412. Optionally, the fifth driving member 411 can be a fifth cylinder, the cylinder body of the fifth cylinder is fixed to the third vertical plate 41, and the fifth driving part is located at the piston rod of the fifth cylinder. The fourth vertical plate 42 is equipped with a sixth driving member 421. The sixth driving member 421 includes a sixth driving part, and the sixth driving part is connected to the fourth baffle 422. Optionally, the sixth driving member 421 can be a sixth cylinder, the cylinder body of the sixth cylinder is fixed to the fourth vertical plate 42, and the sixth driving part is located at the piston rod of the sixth port.

[0047] The third baffle 412 and the fourth baffle 422 are spaced apart in the X-direction. The fifth and sixth driving members 411 and 421 respectively drive the third and fourth baffles 412, 422, to move the third and fourth baffles 412, 422 closer to or further from each other in the X-direction. The fifth driving member 411 drives the third baffle 412, while the sixth driving member 421 drives the fourth baffle 422. This clamps the power battery module in the X-direction, improving stability, effectively reducing labor input, and improving the efficiency of battery module removal, thereby reducing labor intensity during power battery module testing.

[0048] In some specific embodiments, at least one of the first baffle 312 and the second baffle 322 is provided with a first buffer component 33. The first buffer component 33 can provide a buffering effect. Furthermore, when the size of the battery module is smaller than the minimum distance between the first baffle 312 and the second baffle 322, the first buffer component 33 can compensate for the size difference between the first baffle 312 and the second baffle 322 and the battery module, ensuring that the clamping force applied by the first baffle 312 and the second baffle 322 can be transmitted to the battery module through the first buffer component 33, thereby improving the stability of the battery module testing process.

[0049] In some specific embodiments, at least one of the third baffle 412 and the fourth baffle 422 is provided with a second buffer member 43. The second buffer member 43 can provide a buffering effect. Furthermore, when the size of the battery module is smaller than the minimum distance between the third baffle 412 and the fourth baffle 422, the second buffer member 43 can compensate for the size difference between the third and fourth baffles 412, 422, and the battery module, ensuring that the clamping force applied by the third and fourth baffles 412, 422 can be transmitted to the battery module via the second buffer member 43, thereby improving the stability of the battery module testing process.

[0050] The first buffer component 33 may be a rubber pad or other elastic structures; the second buffer component 43 may be a rubber piece or other elastic structures.

[0051] In some specific embodiments, the first clamp includes a first slider 34, the base 5 is provided with a first guide rail 51, the first slider 34 slides with the first guide rail 51, and the first vertical plate 31 and the second vertical plate 32 are both connected to the first slider 34, which can improve the stability of the first clamp.

[0052] In some specific embodiments, the second clamp includes a second slider 44, the base 5 is provided with a second guide rail 52, the second slider 44 slides with the second guide rail 52, and the third vertical plate 41 and the fourth vertical plate 42 are both connected to the second slider 44, which can improve the stability of the second clamp.

[0053] In some specific embodiments, the first clamping jaw includes a first clamping portion 35 and a first supporting portion 36. The first clamping portion 35 is connected to the first driving portion 11, and the first supporting portion 36 extends from the first clamping portion 35 toward the second clamping jaw. The second clamping jaw includes a second clamping portion 45 and a second supporting portion 46. The second clamping portion 45 is connected to the second driving portion 21, and the second supporting portion 46 extends from the second clamping portion 45 toward the first clamping jaw. The first clamping portion 35 is connected to the first vertical plate 31 and the second vertical plate 32, respectively, and the first clamping portion 35 can be plate-shaped. The second clamping portion 45 is connected to the third vertical plate 41 and the fourth vertical plate 42, respectively, and the second clamping portion 45 can be plate-shaped.

[0054] The first clamping portion 35 and the second clamping portion 45 are brought close together to clamp the battery module. Simultaneously, during the process of removing the battery module, the first and second supporting portions 36, 46 cooperate with the battery module to support the bottom of the battery module, providing a certain degree of support for the battery module in the direction of gravity, thereby preventing the battery module from falling during movement. Furthermore, the distance between the first and second supporting portions 36, 46 and the base 5 can be determined based on the actual size of the battery module to be removed.

[0055] In some specific embodiments, the first

[0056] At least one of the jaws and the second jaw is provided with a first displacement sensor 37. The first displacement sensor 37 is used to detect the first displacement information of the first jaw or the second jaw to the workpiece to be tested, and transmit the detected first displacement information to the controller. The controller controls the movement of the first jaw or the second jaw based on the first displacement information. Before the first jaw and the second jaw pick up the material, the first displacement sensor 37 can detect the distance between the first jaw and / or the second jaw and the end face of the battery module. Based on this distance, the controller can control the first driving member 1 and the second driving member 2 to move the first jaw and the second jaw to positions symmetrically spaced on both sides of the battery module. The first driving member 1 and the second driving member 2 act simultaneously to drive the first jaw and the second jaw. The first jaw and the second jaw hook the battery module, minimizing the distance the battery module moves.

[0057] In some specific embodiments, a first bracket 6 and a second bracket 7 are further included; the first bracket 6 is mounted on the base 5, the first driving member 1 includes a first mounting portion, and the first mounting portion is connected to the first bracket 6; the second bracket 7 is mounted on the base 5, and the second driving member 2 includes a second mounting portion, and the second mounting portion is connected to the second bracket 7; the first clamping jaw and the second clamping jaw are arranged opposite to each other and can move closer to or farther away from each other in the Y direction, which can improve the stability of the clamping jaw device. The Y direction can be the length direction of the base 5,

[0058] In some specific embodiments, the first bracket 6 includes a first mounting plate 61, the first mounting plate 61 is connected to the base 5, and the first mounting plate 61 is provided with a second displacement sensor 611. The second bracket 7 includes a second mounting plate 71, the second mounting plate 71 is connected to the base 5, and the second mounting plate 71 is provided with a third displacement sensor 711. The second displacement sensor 611 and the third displacement sensor 711 are staggered in the X direction; the second displacement sensor 611 is used to detect the second displacement information from the first mounting plate 61 to the workpiece to be tested, and transmit the detected second displacement information to the controller; the third displacement sensor 711 is used to detect the third displacement information from the second mounting plate 71 to the workpiece to be tested, and transmit the detected third displacement information to the controller; the controller is used to control the movement of the first clamp or the second clamp according to the second displacement information and the third displacement information. In this embodiment, the distances from the battery module to the second displacement sensor 611 and the third displacement sensor 711, which are arranged diagonally, are respectively measured. That is, the first distance from the second displacement sensor 611 to the battery module is measured by the second displacement sensor 611, and the second distance from the third displacement sensor 711 to the battery module is measured by the third displacement sensor 711. By comparing the first distance and the second distance, it is possible to determine whether the battery module is skewed in the vertical direction Z. The Z direction can be the height direction of the base 5. When it is determined to be skewed, an alarm is triggered, and the controller controls the first clamping jaw and the second clamping jaw to be unable to move. When it is determined to be not skewed, the controller controls the first driving member 1 and the second driving member 2 to respectively drive the first clamping jaw and the second clamping jaw so that the first clamping jaw and the second clamping jaw are close to each other, thereby clamping the battery module.

[0059] The detection device provided in the embodiment of the present disclosure includes the clamping device provided in the embodiment of the present disclosure. Since the detection device provided in the embodiment of the present disclosure has the same advantages as the clamping device provided in the embodiment of the present disclosure, they will not be described in detail here.

[0060] It should be understood that the various forms of the processes shown above can be used to reorder, add, or delete steps. For example, the steps described in this disclosure can be performed in parallel, sequentially, or in a different order, as long as the desired results of the technical solutions disclosed in this disclosure can be achieved. This is not a limitation herein.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout the present disclosure, "plurality" means two or more, unless otherwise specifically defined.

[0062] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A clamping device, characterized in that: include: A base (5) and a first driving member (1) and a second driving member (2) mounted on the base (5); The first driving member (1) includes a first driving portion (11), and the second driving member (2) includes a second driving portion (21); The first driving part (11) is connected to the first clamping jaw, and the second driving part (21) is connected to the second clamping jaw; The first driving member (1) drives the first clamping jaw, and the second driving member (2) drives the second clamping jaw, so that the first clamping jaw and the second clamping jaw move closer to each other or farther away from each other.

2. The clamping device according to claim 1, characterized in that The first clamping jaw comprises a first vertical plate (31) and a second vertical plate (32), wherein the first vertical plate (31) and the second vertical plate (32) are spaced apart. The first vertical plate (31) is installed with a third driving member (311), the third driving member (311) includes a third driving portion, and the third driving portion is connected to a first baffle (312); The second vertical plate (32) is installed with a fourth driving member (321), the fourth driving member (321) includes a fourth driving portion, and the fourth driving portion is connected to the second baffle (322); The first baffle (312) and the second baffle (322) are spaced apart in the X direction, and the third driving member (311) and the fourth driving member (321) respectively drive the first baffle (312) and the second baffle (322) so that the first baffle (312) and the second baffle (322) approach each other or move away from each other in the X direction.

3. The clamping device according to claim 2, characterized in that The second clamping jaw includes a third vertical plate (41) and a fourth vertical plate (42), and the third vertical plate (41) and the fourth vertical plate (42) are arranged at intervals; The third vertical plate (41) is installed with a fifth driving member (411), the fifth driving member (411) includes a fifth driving portion, and the fifth driving portion is connected to a third baffle (412); The fourth vertical plate (42) is installed with a sixth driving member (421), the sixth driving member (421) includes a sixth driving portion, and the sixth driving portion is connected to a fourth baffle (422); The third baffle (412) and the fourth baffle (422) are spaced apart in the X direction, and the fifth driving member (411) and the sixth driving member (421) respectively drive the third baffle (412) and the fourth baffle (422) so that the third baffle (412) and the fourth baffle (422) approach each other or move away from each other in the X direction.

4. The clamping device according to claim 3, characterized in that At least one of the first baffle (312) and the second baffle (322) is provided with a first buffer component (33); And / or, at least one of the third baffle (412) and the fourth baffle (422) is provided with a second buffer component (43).

5. The clamping device according to claim 3, characterized in that: The first clamping jaw includes a first slider (34), the base (5) is provided with a first guide rail (51), the first slider (34) is slidably matched with the first guide rail (51), and the first vertical plate (31) and the second vertical plate (32) are both connected to the first slider (34); And / or, the second clamping jaw includes a second slider (44), the base (5) is provided with a second guide rail (52), the second slider (44) is slidably engaged with the second guide rail (52), and the third vertical plate (41) and the fourth vertical plate (42) are both connected to the second slider (44).

6. The clamping device according to claim 1, characterized in that The first clamping jaw comprises a first clamping portion (35) and a first supporting portion (36), the first clamping portion (35) is connected to the first driving portion (11), and the first supporting portion (36) extends from the first clamping portion (35) in a direction close to the second clamping jaw; And / or, the second clamping jaw includes a second clamping portion (45) and a second supporting portion (46), the second clamping portion (45) is connected to the second driving portion (21), and the second supporting portion (46) extends from the second clamping portion (45) in a direction close to the first clamping jaw.

7. The clamping device according to any one of claims 1 to 6, characterized in that: At least one of the first clamping jaw and the second clamping jaw is provided with a first displacement sensor (37), the first displacement sensor (37) is used to detect first displacement information of the first clamping jaw or the second clamping jaw to the workpiece to be tested, and transmit the detected first displacement information to a controller, and the controller controls the movement of the first clamping jaw or the second clamping jaw according to the first displacement information.

8. The clamping device according to claim 1, characterized in that Also includes a first bracket (6) and a second bracket (7); The first bracket (6) is mounted on the base (5), and the first driving member (1) comprises a first mounting portion, and the first mounting portion is connected to the first bracket (6); The second bracket (7) is mounted on the base (5), and the second driving member (2) includes a second mounting portion, and the second mounting portion is connected to the second bracket (7); The first clamping jaw and the second clamping jaw are arranged opposite to each other and can move closer to or farther away from each other in the Y direction.

9. The clamping device according to claim 8, characterized in that The first bracket (6) comprises a first mounting plate (61), the first mounting plate (61) is connected to the base (5), the first mounting plate (61) is provided with a second displacement sensor (611), the second bracket (7) comprises a second mounting plate (71), the second mounting plate (71) is connected to the base (5), the second mounting plate (71) is provided with a third displacement sensor (711), and the second displacement sensor (611) and the third displacement sensor (711) are staggered in the X direction; The second displacement sensor (611) is used to detect second displacement information from the first mounting plate (61) to the workpiece to be tested, and transmit the detected second displacement information to the controller; The third displacement sensor (711) is used to detect third displacement information from the second mounting plate (71) to the workpiece to be tested, and transmit the detected third displacement information to the controller; The controller is used to control the movement of the first clamping jaw or the second clamping jaw according to the second displacement information and the third displacement information.

10. A detection device, characterized in that: A clamping device comprising the clamping device according to any one of claims 1 to 9.

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