Clamping device for testing solid-state battery

Abstract

The utility model provides a clamping device for testing a solid-state battery, which relates to the technical field of battery testing equipment and comprises a bottom plate, a clamping mechanism arranged on the bottom plate, an electric push rod arranged at the rear end of the upper surface of the bottom plate, a clamping platform arranged at the output end of the electric push rod, a solid-state battery placed on the upper surface of the clamping platform, and rollers arranged at four corners of the lower surface of the clamping platform. The rollers contact with the upper surface of the bottom plate. When the clamping device is used, the clamping platform is pushed out through the electric push rod, the solid-state battery is placed on the surface of the clamping platform, the electric push rod retracts, then the solid-state battery can be clamped through the clamping mechanism, testing work can be conveniently carried out, in the scheme, the solid-state battery cannot collide with other parts in the process of placing the solid-state battery, and the testing efficiency is improved. And the solid-state battery is prevented from being damaged due to collision.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing equipment, in particular to a clamping device for solid-state battery testing. Background Art

[0002] Solid-state batteries are batteries that use solid electrodes and solid electrolytes. Solid-state batteries require a variety of tests during their development and performance verification, such as charge and discharge capacity, rate performance, charge and discharge power, and cycle performance. To improve the accuracy of the test, a fixture is required to fix the solid-state battery.

[0003] The utility model with the authorization announcement number "CN219915141U" discloses a solid-state battery test clamping device, which relates to the technical field of battery testing equipment, including a bottom plate, a placement rack fixedly connected to the upper surface of the bottom plate, an anti-slip pattern on the outer surface of the placement rack, a clamping mechanism provided on the outer surface of the placement rack, a top plate provided above the bottom plate, two sets of symmetrical lifting mechanisms provided on the upper surface of the bottom plate, a detection device installed on the bottom surface of the top plate, a mounting plate fixedly connected to the output end of the detection device, and a detection plate fixedly connected to the bottom surface of the mounting plate. Through the action of the clamping mechanism, the solid-state battery can be fixed by actual adjustment according to its size, avoiding the need to replace different clamping structures when testing solid-state batteries of different sizes, thereby reducing the test efficiency. In addition, the device is simple, practical and convenient to operate, and the size can be quickly adjusted, thereby realizing the practicality of the solid-state battery test clamping device.

[0004] However, when using the above-mentioned clamping device to clamp the solid-state battery, the solid-state battery needs to be placed between the top plate and the bottom plate. The space between the top plate and the bottom plate is small. During the placement process, the solid-state battery is prone to collide with the top plate, causing the solid-state battery to be damaged. Utility Model Content

[0005] The utility model provides a clamping device for testing a solid-state battery, which is used to solve the technical problem that the solid-state battery is easily collided with a top plate, thereby causing the solid-state battery to be damaged by collision.

[0006] In order to solve the above technical problems, the utility model discloses a clamping device for solid-state battery testing, including: a base plate, a clamping mechanism is arranged on the base plate, an electric push rod is arranged at the rear end of the upper surface of the base plate, a clamping platform is arranged at the output end of the electric push rod, a solid-state battery is placed on the upper surface of the clamping platform, and rollers are arranged at the four corners of the lower surface of the clamping platform, and the rollers are in contact with the upper surface of the base plate.

[0007] Preferably, two guide grooves are symmetrically arranged on the upper surface of the bottom plate, the guide grooves are parallel to the extension and retraction direction of the output end of the electric push rod, and the rollers are located in the guide grooves.

[0008] Preferably, a top plate is arranged above the electric push rod, and columns are arranged at the four corners of the lower surface of the top plate, one end of the column is connected to the lower surface of the top plate, and the other end of the column is connected to the upper surface of the base plate.

[0009] Preferably, the clamping mechanism includes two fixed plates, which are symmetrically arranged on the left and right sides of the electric push rod, the lower end of the fixed plate is fixedly connected to the upper surface of the base plate, a guide rod and a screw are arranged between the two fixed plates, both ends of the guide rod are respectively fixedly connected to the side walls of the two fixed plates, and both ends of the screw are respectively rotatably connected to the two fixed plates, two external threads with opposite rotation directions are symmetrically arranged on the left and right ends of the screw, a moving block is arranged between the fixed plate and the clamping platform, a clamping block is arranged at the front end of the moving block, a threaded hole and a through hole are penetrated in the moving block, the guide rod is penetrated in the through hole and is slidably connected to the inner wall of the through hole, the threaded hole is adapted to the external thread, and the moving block is transmission connected to the external thread of the outer wall of the screw through the threaded hole.

[0010] Preferably, the two clamping blocks are arranged symmetrically, the longitudinal section of the clamping blocks is in the shape of a right-angled trapezoid, and the side of the two clamping blocks close to each other is arranged as an inclined surface, and the width of the upper end of the clamping block is greater than the width of the lower end of the clamping block.

[0011] Preferably, a clamping plate is arranged on one side of the two clamping blocks close to each other, and the clamping plate is made of anti-slip material.

[0012] Preferably, a connecting shaft is arranged at one end of the screw rod, one end of the connecting shaft is fixedly connected to the screw rod, a rocker is arranged at the other end of the connecting shaft, and an anti-slip pattern is arranged on the outer wall of the rocker rod.

[0013] Preferably, an installation cavity is provided in the clamping platform, a servo motor is provided in the center of the installation cavity, a driving gear is provided at the output end of the servo motor, racks are provided on the left and right sides of the driving gear, the two racks are parallel to each other and are centrally symmetrically distributed about the center of the driving gear, the side wall of the rack is meshed with the outer wall of the driving gear, the upper surface of the rack is slidably connected to the top wall of the installation cavity, one end of the rack passes through the side wall of the clamping platform, extends to the outside of the clamping platform and a positioning plate is provided, the rack is slidably connected to the clamping platform through the position, a sliding hole is provided in the positioning plate, a sliding column is slidably provided in the sliding hole, a contact plate is provided near one end of the sliding column near the clamping platform, a connecting spring is sleeved on the sliding column, one end of the connecting spring is connected to the contact plate, and the other end of the connecting spring is connected to the positioning plate.

[0014] Preferably, a plurality of mounting grooves are vertically arranged on one side of the contact plate away from the sliding column, and the plurality of mounting grooves are arranged at equal intervals. A roller is arranged in the mounting groove, and the upper and lower ends of the roller are rotatably connected to the inner wall of the mounting groove respectively, and one side of the roller extends to the outside of the mounting groove.

[0015] Preferably, the sliding hole is a square hole, and the outer wall of the sliding column is matched with the inner wall of the sliding hole.

[0016] The technical solution of the utility model has the following advantages: the utility model provides a clamping device for solid-state battery testing, which relates to the technical field of battery testing equipment, including a base plate, a clamping mechanism is arranged on the base plate, an electric push rod is arranged on the rear end of the upper surface of the base plate, a clamping platform is arranged at the output end of the electric push rod, a solid-state battery is placed on the upper surface of the clamping platform, rollers are arranged at the four corners of the lower surface of the clamping platform, and the rollers are in contact with the upper surface of the base plate. In the utility model, when the clamping device is used, the clamping platform is first pushed out by the electric push rod, so that the clamping platform moves away from the clamping mechanism. After the solid-state battery is placed on the surface of the clamping platform, the electric push rod is retracted, and then the solid-state battery can be clamped by the clamping mechanism, which is convenient for testing. In the above scheme, the process of placing the solid-state battery will not collide with other components, avoiding damage to the solid-state battery due to bumps.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the devices specifically pointed out in the written description and the drawings of the description.

[0018] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a clamping device for solid-state battery testing of the utility model;

[0021] Figure 2 For this utility model Figure 1 Partial cross-sectional view at AA in the middle;

[0022] Figure 3 This is a schematic diagram of the internal structure of the clamping platform in the utility model;

[0023] Figure 4 For this utility model Figure 3 Partial cross-sectional view at the middle BB;

[0024] Figure 5 It is a schematic diagram of the roller in the utility model.

[0025] In the figure: 1. bottom plate; 2. electric push rod; 3. clamping platform; 4. solid-state battery; 5. top plate; 6. column; 71. fixed plate; 72. guide rod; 73. screw; 74. moving block; 75. clamping block; 76. clamping plate; 77. rocker; 81. servo motor; 82. driving gear; 83. rack; 84. positioning plate; 85. sliding column; 86. contact plate; 87. connecting spring; 88. roller. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] Embodiment 1:

[0029] The present invention provides a clamping device for testing a solid-state battery. Figure 1-Figure 5 As shown, it includes: a base plate 1, a clamping mechanism is arranged on the base plate 1, an electric push rod 2 is arranged at the rear end of the upper surface of the base plate 1, a clamping platform 3 is arranged at the output end of the electric push rod 2, a solid-state battery 4 is placed on the upper surface of the clamping platform 3, and rollers are arranged at the four corners of the lower surface of the clamping platform 3, and the rollers are in contact with the upper surface of the base plate 1.

[0030] The working principle and beneficial effects of the above technical scheme are as follows: when the clamping device is used, the clamping platform 3 is first pushed out by the electric push rod 2, so that the clamping platform 3 moves away from the clamping mechanism, and the roller is along the bottom plate 1. The electric push rod 2 adopts the existing industrial-grade electric push rod, and the electric push rod 2 is electrically connected to the external power supply and the existing control component for controlling the movement of the electric push rod 2. The external power supply plays a role of power supply, and the control component is used to control the extension and retraction of the electric push rod 2. When the electric push rod 2 pushes the clamping platform 3 to the front position of the upper surface of the bottom plate 1, the electric push rod 2 stops pushing out, and then the solid-state battery 4 is placed on the surface of the clamping platform 3, and the electric push rod 2 is controlled to retract. After the electric push rod 2 retracts to its original position, the solid-state battery 4 can be clamped and fixed on the clamping platform 3 through the clamping mechanism, which is convenient for testing. The testing work includes but is not limited to charging and discharging capacity, rate performance, charging and discharging power, cycle performance and other tests. In the above scheme, the process of placing the solid-state battery 4 will not collide with other components, avoiding damage to the solid-state battery 4 due to bumps, effectively protecting the solid-state battery 4, and improving the stability and accuracy of the test.

[0031] Example 2

[0032] On the basis of the above-mentioned embodiment 1, Figure 1 As shown, two guide grooves are symmetrically arranged on the upper surface of the bottom plate 1, the guide grooves are parallel to the extension direction of the output end of the electric push rod 2, and the rollers are located in the guide grooves.

[0033] The working principle and beneficial effects of the above technical solution are as follows: the roller can roll along the inner wall of the guide groove, and the guide groove has a guiding function, which can enable the roller to roll stably, ensure the stable forward and backward movement of the clamping platform 3, and avoid deviation of the clamping platform 3 during movement.

[0034] Example 3

[0035] On the basis of Example 1 or 2, Figure 1 As shown, a top plate 5 is arranged above the electric push rod 2, and columns 6 are arranged at four corners of the lower surface of the top plate 5, one end of the column 6 is connected to the lower surface of the top plate 5, and the other end of the column 6 is connected to the upper surface of the bottom plate 1.

[0036] The working principle and beneficial effects of the above technical solution are as follows: the top plate 5 is installed at the rear position above the bottom plate 1 through the column 6. The area of ​​the top plate 5 is smaller than that of the bottom plate 1. The testing device can be installed on the top plate 5 to facilitate the testing of the solid-state battery 4. The electric push rod 2 can push the clamping platform 3 to move forward until the clamping platform 3 moves completely to the front of the top plate 5. At this time, when placing the solid-state battery 4, the solid-state battery 4 will not collide with the clamping mechanism, the top plate 5 or the column 6, which facilitates the placement of the solid-state battery 4 on the clamping platform 3 and avoids the problem of damage to the solid-state battery 4 due to collision.

[0037] Example 4

[0038] On the basis of any one of Examples 1-3, Figure 1 , Figure 2 As shown, the clamping mechanism includes two fixed plates 71, which are symmetrically arranged on the left and right sides of the electric push rod 2. The lower end of the fixed plate 71 is fixedly connected to the upper surface of the base plate 1, and a guide rod 72 and a screw 73 are arranged between the two fixed plates 71. The two ends of the guide rod 72 are respectively fixedly connected to the side walls of the two fixed plates 71, and the two ends of the screw 73 are respectively rotatably connected to the two fixed plates 71. Two external threads with opposite rotation directions are symmetrically arranged at the left and right ends of the screw 73. A moving block 74 is arranged between the fixed plate 71 and the clamping platform 3, and a clamping block 75 is arranged at the front end of the moving block 74. A threaded hole and a through hole are penetrated in the moving block 74. The guide rod 72 is penetrated in the through hole and is slidably connected to the inner wall of the through hole. The threaded hole is adapted to the external thread, and the moving block 74 is transmission connected to the external thread of the outer wall of the screw 73 through the threaded hole.

[0039] The working principle and beneficial effects of the above technical solution are as follows: after the electric push rod 2 is retracted, the screw 73 is manually rotated. The rotation of the screw 73 can drive the moving block 74 to move along the screw 73 through the threaded transmission connection. The moving block 74 slides along the outer wall of the guide rod 72 through the through hole. The two moving blocks 74 drive the clamping block 75 to move toward the direction close to the solid-state battery 4 until the two clamping blocks 75 clamp the solid-state battery 4. At this time, the solid-state battery 4 on the clamping platform 3 can be tested, which facilitates the testing work.

[0040] Example 5

[0041] On the basis of Example 4, Figure 1 As shown, the two clamping blocks 75 are symmetrically arranged, the longitudinal section of the clamping block 75 is a right-angled trapezoid, and the side of the two clamping blocks 75 close to each other is arranged as an inclined surface, and the width of the upper end of the clamping block 75 is greater than the width of the lower end of the clamping block 75.

[0042] The working principle and beneficial effects of the above technical solution are as follows: the clamp block 75 is in the shape of a right-angled trapezoid, and the width of the upper end of the clamp block 75 is greater than the width of the lower end of the clamp block 75. Since the two clamp blocks 75 are close to each other on one side with an inclined surface, when the two clamp blocks 75 clamp the solid-state battery 4, the clamp block 75 and the edge of the solid-state battery 4 are in line contact, which can reduce the fitting area between the clamp block 75 and the solid-state battery 4, will not cause a large obstruction to the solid-state battery 4, and increase the test area. Moreover, the contact position between the clamp block 75 and the solid-state battery 4 is at the relatively solid edge of the solid-state battery 4, which avoids the clamp block 75 from applying pressure to the fragile parts of the solid-state battery 4 and prevents damage to the solid-state battery 4. The clamp block 75 is in the shape of a right-angled trapezoid. When the clamp block 75 clamps the solid-state battery 4, the inclined side can prevent the solid-state battery 4 from shaking left and right or forward and backward, thereby improving the stability and reliability of the solid-state battery 4 after clamping.

[0043] Example 6

[0044] On the basis of Example 5, Figure 1 As shown, a clamping plate 76 is provided on one side of the two clamping blocks 75 close to each other, and the clamping plate 76 is made of anti-slip material.

[0045] The working principle and beneficial effects of the above technical solution are as follows: the clamping plate 76 can be made of anti-slip rubber material. On the one hand, the clamping plate 76 is elastic, which can avoid crushing the side of the solid-state battery 4 during the clamping process. On the other hand, it can avoid the problem of one-sided warping of the solid-state battery 4 during the clamping process. The inclined surface can prevent the solid-state battery 4 from shaking upward, making the clamping of the solid-state battery 4 more stable and reliable.

[0046] Example 7

[0047] On the basis of any one of Examples 4-6, Figure 1 As shown, a connecting shaft is arranged at one end of the screw rod 73, one end of the connecting shaft is fixedly connected to the screw rod 73, and a rocker 77 is arranged at the other end of the connecting shaft, and an anti-slip pattern is arranged on the outer wall of the rocker 77.

[0048] The working principle and beneficial effects of the above technical solution are as follows: rotating the rocker 77 can drive the connecting shaft to rotate, and the rotation of the connecting shaft drives the screw 73 to rotate, thereby driving the moving block 74 to move axially along the screw 73. The rocker 77 is used to facilitate the rotation of the screw 73. The anti-slip grooves on the outer wall of the rocker 77 can increase the friction of the outer wall of the rocker 77 and have an anti-slip effect.

[0049] Example 8

[0050] On the basis of Example 1, Figure 3 , Figure 4 As shown, an installation cavity is set in the clamping platform 3, a servo motor 81 is set in the center of the installation cavity, a driving gear 82 is set at the output end of the servo motor 81, and racks 83 are set on the left and right sides of the driving gear 82. The two racks 83 are parallel to each other and are centrally symmetrically distributed about the center of the driving gear 82. The side wall of the rack 83 is meshed with the outer wall of the driving gear 82, and the upper surface of the rack 83 is slidably connected to the top wall of the installation cavity. One end of the rack 83 passes through the side wall of the clamping platform 3, extends to the outside of the clamping platform 3 and is provided with a positioning plate 84. The rack 83 is slidably connected to the clamping platform 3 through the position, and a sliding hole is penetrated in the positioning plate 84. A sliding column 85 is slidably arranged in the sliding hole. A contact plate 86 is arranged near one end of the sliding column 85 near the clamping platform 3. A connecting spring 87 is sleeved on the sliding column 85, and one end of the connecting spring 87 is connected to the contact plate 86, and the other end of the connecting spring 87 is connected to the positioning plate 84.

[0051] The working principle and beneficial effects of the above technical solution are as follows: when the clamping platform 3 moves to the position close to the front of the base plate 1, the electric push rod 2 stops moving. At this time, the servo motor 81 is controlled to rotate by the control component. The servo motor 81 is an existing product. The servo motor 81 is electrically connected to the external power supply and the control component. The rotation of the servo motor 81 can drive the driving gear 82 to rotate. The rotation of the driving gear 82 drives the rack 83 to slide in the direction away from each other. The rack 83 drives the positioning plate 84 to move. The positioning plate 84 drives the contact plate 86 to move through the connecting spring 87. The two contact plates 86 move in the direction away from each other, wherein the front contact plate 86 moves forward and the rear contact plate 86 moves backward. The distance between the two contact plates 86 increases. At this time, the solid-state battery 4 can be placed on the two contact plates 86, after placement is completed, the servo motor 81 is controlled to rotate in the opposite direction, so that the two racks 83 slide towards each other, and the two contact plates 86 gradually contact the outer wall of the solid-state battery 4, and the connecting spring 87 is compressed. Under the joint action of the two contact plates 86, the solid-state battery 4 can be located in the central position of the clamping platform 3, so that the solid-state battery 4 is accurately positioned, and there is no need to make excessive adjustments to the position of the solid-state battery 4 during the test, thereby improving the convenience of the solid-state battery 4 testing work. By setting the connecting spring 87, it is possible to prevent the contact plate 86 from exerting excessive pressure on the side wall of the solid-state battery 4 and crushing the solid-state battery 4. In addition, during the movement of the clamping platform 3, the positioning of the contact plate 86 can make the solid-state battery 4 more stable on the surface of the clamping platform 3, thereby preventing the solid-state battery 4 from shaking violently and causing position displacement.

[0052] Example 9

[0053] On the basis of Example 8, Figure 4 , Figure 5 As shown, a plurality of mounting grooves are vertically arranged on one side of the contact plate 86 away from the sliding column 85, and the plurality of mounting grooves are arranged at equal intervals. A roller 88 is arranged in the mounting groove, and the upper and lower ends of the roller 88 are rotatably connected to the inner wall of the mounting groove respectively, and one side of the roller 88 extends to the outside of the mounting groove.

[0054] The working principle and beneficial effects of the above technical solution are as follows: when the solid-state battery 4 is clamped by the clamping mechanism, the solid-state battery 4 can slide left and right, so that the solid-state battery 4 remains at the center position of the clamping platform 3. By setting the roller 88, the friction between the solid-state battery 4 and the contact plate 86 can be reduced, which facilitates the position adjustment of the solid-state battery 4, improves the consistency of the position of the solid-state battery 4, and can improve the accuracy of the test.

[0055] Example 10

[0056] On the basis of Embodiment 8 or 9, the sliding hole is a square hole, and the outer wall of the sliding column 85 is matched with the inner wall of the sliding hole.

[0057] The working principle and beneficial effects of the above technical solution are as follows: the sliding hole is set as a square hole, which can prevent the sliding column 85 from rotating in the sliding hole and ensure the stability of the sliding column 85 sliding horizontally along the inner wall of the sliding hole.

[0058] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0059] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A clamping device for solid-state battery testing, characterized in that: include: A base plate (1) is provided with a clamping mechanism on the base plate (1), an electric push rod (2) is provided at the rear end of the upper surface of the base plate (1), a clamping platform (3) is provided at the output end of the electric push rod (2), a solid-state battery (4) is placed on the upper surface of the clamping platform (3), and rollers are provided at four corners of the lower surface of the clamping platform (3), and the rollers are in contact with the upper surface of the base plate (1).

2. A solid-state battery testing clamping device according to claim 1, characterized in that: Two guide grooves are symmetrically arranged on the upper surface of the bottom plate (1), the guide grooves are parallel to the telescopic direction of the output end of the electric push rod (2), and the rollers are located in the guide grooves.

3. A solid-state battery testing clamping device according to claim 1, characterized in that: A top plate (5) is arranged above the electric push rod (2), and four corners of the lower surface of the top plate (5) are provided with upright posts (6), one end of the upright post (6) is connected to the lower surface of the top plate (5), and the other end of the upright post (6) is connected to the upper surface of the bottom plate (1).

4. A solid-state battery testing clamping device according to claim 1, characterized in that: The clamping mechanism comprises two fixed plates (71), the two fixed plates (71) are symmetrically arranged on the left and right sides of the electric push rod (2), the lower end of the fixed plate (71) is fixedly connected to the upper surface of the bottom plate (1), a guide rod (72) and a screw rod (73) are arranged between the two fixed plates (71), the two ends of the guide rod (72) are respectively fixedly connected to the side walls of the two fixed plates (71), the two ends of the screw rod (73) are respectively rotatably connected to the two fixed plates (71), the left and right ends of the screw rod (73) are symmetrically provided with two external threads with opposite rotation directions, a moving block (74) is arranged between the fixed plate (71) and the clamping platform (3), a clamping block (75) is arranged at the front end of the moving block (74), a threaded hole and a through hole are penetrated in the moving block (74), the guide rod (72) is penetrated in the through hole and is slidably connected to the inner wall of the through hole, the threaded hole is adapted to the external thread, and the moving block (74) is transmission-connected to the external thread of the outer wall of the screw rod (73) through the threaded hole.

5. A solid-state battery testing clamping device according to claim 4, characterized in that: The two clamping blocks (75) are arranged symmetrically on the left and right. The longitudinal section of the clamping block (75) is in the shape of a right-angled trapezoid. The two clamping blocks (75) are arranged on an inclined surface on one side close to each other. The width of the upper end of the clamping block (75) is greater than the width of the lower end of the clamping block (75).

6. A solid-state battery testing clamping device according to claim 5, characterized in that: A clamping plate (76) is arranged on one side of the two clamping blocks (75) close to each other, and the clamping plate (76) is made of a non-slip material.

7. A solid-state battery testing clamping device according to claim 4, characterized in that: A connecting shaft is arranged at one end of the screw rod (73), one end of the connecting shaft is fixedly connected to the screw rod (73), a rocker (77) is arranged at the other end of the connecting shaft, and an anti-slip pattern is arranged on the outer wall of the rocker (77).

8. A solid-state battery testing clamping device according to claim 1, characterized in that: A mounting cavity is arranged in the clamping platform (3), a servo motor (81) is arranged at the center of the mounting cavity, a driving gear (82) is arranged at the output end of the servo motor (81), racks (83) are arranged on the left and right sides of the driving gear (82), the two racks (83) are parallel to each other and are centrally symmetrically distributed about the center of the driving gear (82), the side wall of the rack (83) is meshed with the outer wall of the driving gear (82), the upper surface of the rack (83) is slidably connected to the top wall of the mounting cavity, and one end of the rack (83) passes through the side wall of the clamping platform (3). The rack (83) is connected to the clamping platform (3) by sliding forward and backward through the position of the clamping platform (3). A sliding hole is provided in the positioning plate (84). A sliding column (85) is provided in the sliding hole. A contact plate (86) is provided at one end of the sliding column (85) close to the clamping platform (3). A connecting spring (87) is sleeved on the sliding column (85). One end of the connecting spring (87) is connected to the contact plate (86), and the other end of the connecting spring (87) is connected to the positioning plate (84).

9. A solid-state battery testing clamping device according to claim 8, characterized in that: A plurality of mounting grooves are vertically arranged on one side of the contact plate (86) away from the sliding column (85), and the plurality of mounting grooves are arranged at equal intervals. A roller (88) is arranged in the mounting groove, and the upper and lower ends of the roller (88) are respectively rotatably connected to the inner wall of the mounting groove, and one side of the roller (88) extends to the outside of the mounting groove.

10. A solid-state battery testing clamping device according to claim 8, characterized in that: The sliding hole is a square hole, and the outer wall of the sliding column (85) is matched with the inner wall of the sliding hole.

Images