An animal experiment table

Abstract

The application belongs to the technical field of experimental devices, and particularly relates to an animal experiment table, which comprises a table body, and a fixing mechanism is arranged at the upper end of the table body. By adjusting the states of two clamps, the fixing and restraint of the animal state under various experiments can be satisfied, the device is more flexible, the experimental requirements are better met, the number of equipment is reduced, and the pressure of the equipment on the space is reduced. Through the cooperation of the two clamps, the experimental requirements of animal standing, coma restraint and multiple quantity control groups can be satisfied, and the functions of the equipment are more abundant. By disassembling the side fence and selecting a suitable side fence, the animal experiment can be carried out without blocking and affecting, the animal can be supported, waste liquid and tissue generated during the experiment can be collected and cleaned, the large-scale pollution of the experimental site and the table body is avoided, the subsequent cleaning process is simplified, and the experimental efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of experimental device technology, specifically relating to an animal experimental platform. Background Technology

[0002] Animal experiments refer to scientific research conducted in a laboratory using animals to obtain new knowledge in biology, medicine, and other fields, or to solve specific problems. The ultimate goal of animal experiments is to study the life phenomena of animals and then apply this knowledge to humans, explore the mysteries of human life, control human diseases and aging, and extend human lifespan.

[0003] Currently, different experimental needs have different requirements for the state of animals. For example, simple experiments such as routine experimental measurements and drug injections only require restraint of the animals, while more complex experiments such as dissection and sampling require anesthesia and restraint of the animals. Such different experimental needs require the preparation of multiple corresponding animal restraint or restraint devices, which can easily lead to cumbersome experimental operations, fail to meet the needs of rapid experiments, and cause the use of multiple devices to cause the experimental site to be crowded. Summary of the Invention

[0004] The purpose of this invention is to provide an animal experimental table that allows for easier restraint and fixation of animals during experiments, facilitating experimental operations, and enabling flexible switching of the restraint and fixation state according to experimental needs.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0006] An animal experimental table includes a table body, wherein a restraint mechanism is provided at the upper end of the table body;

[0007] The restraining mechanism includes a transmission assembly, two screws, two clamps, and two telescopic stops. A mounting cavity is opened on one side of the upper end of the platform. The two screws are rotatably mounted side by side in the mounting cavity, and the threads of the two screws have opposite directions. The transmission assembly is located on the side of the platform and is connected to the two screws. The two clamps are threadedly connected to the two screws respectively. The two telescopic stops are slidably mounted on the front and rear sides of the two clamps respectively.

[0008] The clamp includes a rectangular frame, a support platform, and a connector. The support platform is threadedly connected to the screw. The connector is detachably and fixedly mounted on the upper end of the support platform. The rectangular frame is rotatably and fixedly connected to the connector. Two binding claws are provided on the front and rear sides of the rectangular frame. A side rail is detachably and fixedly connected to the side of the rectangular frame.

[0009] The transmission assembly includes two transmission gears, a motor, and a protective cover. The two transmission gears are rotatably mounted on the side of the platform and are respectively connected to the two screws. The two transmission gears mesh with each other. The protective cover is located on the side of the platform and both transmission gears are located inside the protective cover. The motor is located on the protective cover and its output shaft rotatably extends into the protective cover and is connected to one of the transmission gears.

[0010] The lower end of the rectangular frame is provided with a protrusion, which matches the support platform and the connector. The connector includes a main board, a connecting shaft, a limit bolt, and a limiter. The limiter and the connecting shaft are respectively located on the upper and lower sides of both ends of the main board. The limit bolt is threaded to the other end of the connecting shaft and is perpendicular to the connecting shaft. The protrusion and the support platform are both provided with insertion holes that match the connecting shaft. The side of the protrusion is provided with a limit hole centered on the insertion hole. The side of the support platform is provided with a plurality of connecting holes centered on the insertion hole and matching the limiter.

[0011] The limiter includes an L-shaped plate, a slide rod, a limiting piece, a pull block, and a spring. The L-shaped plate is fixedly mounted on the main plate. The slide rod is slidably mounted on the L-shaped plate and slides through the main plate. The limiting piece is mounted on the slide rod and located between the L-shaped plate and the main plate. The pull block is fixedly mounted on the end of the slide rod away from the main plate. The spring is sleeved on the slide rod and located between the L-shaped plate and the limiting piece.

[0012] The rectangular frame is slidably fixed with a U-shaped telescopic frame on the side away from the screw, wherein two of the binding claws and one of the telescopic blockers are located on the U-shaped telescopic frame.

[0013] The binding claw includes a U-shaped plate and a Velcro strap. The U-shaped plate is parallel to the length direction of the rectangular frame. Both the rectangular frame and the U-shaped telescopic frame have U-shaped grooves that match the U-shaped plate. One end of the Velcro strap is fixed to the rear end of the U-shaped plate. The two sides of the Velcro strap are the adhesive surface and the hook surface, respectively.

[0014] The telescopic stopper includes two connecting strips and several multi-stage telescopic rods. The several multi-stage telescopic rods are evenly arranged between the two connecting strips. The rectangular frame and the U-shaped telescopic frame each have a connecting groove at one end. The connecting groove is composed of a circular groove and a rectangular groove. The maximum opening width of the rectangular groove is smaller than the diameter of the circular groove. The cross-sectional shape of the connecting strip matches the connecting groove.

[0015] The rectangular frame has symmetrical connecting ears at both the front and rear ends on the upper side. The side rail consists of a connecting plate and several blocking strips. Several blocking strips are evenly arranged on the connecting plate. The connecting plate is threaded with connecting bolts that match the connecting ears.

[0016] The side rail can also be a rectangular disc, with one end recessed and several screw holes evenly distributed on one side. The rectangular disc is connected to the connecting lug via connecting bolts and the screw holes.

[0017] The mounting cavity is provided with a partition strip in the middle, and both ends of the two support platforms are connected to a corrugated protective cover that is connected to the inner wall of the mounting cavity.

[0018] The present invention has at least the following advantages compared to the prior art:

[0019] 1. Through the cooperation of transmission components, screws, grippers and telescopic arresters, the state of the grippers can be flexibly adjusted according to the animal's condition and experimental needs during animal experiments, thereby forming an effective restraint and control of the animal, better meeting the needs of animal experiments in different conditions, and improving the safety and convenience of experiments.

[0020] 2. Adjust the two clamps to be perpendicular to the platform, and with the two telescopic arrestors, they can restrain the animal while it is standing awake. This makes it easier to perform experimental operations such as drug injection and data measurement on the animal.

[0021] 3. By removing one of the clamps and using the connector, support platform and rectangular frame, an anesthetized and comatose animal can be restrained. This facilitates experimental operations such as dissection, surgery and sampling of the animal. Furthermore, by flipping the rectangular frame, the animal's posture can be changed to be either ventral or dorsal, better meeting the experimental needs of different positions.

[0022] 4. In order to form a control experimental group in the same space and time, the two clamps can be flipped over and used to restrain the animals. At this time, the platform can be used to place experimental equipment, while the two clamps are far apart from each other and do not interfere with each other, which better meets the needs of multi-sample control experiments.

[0023] 5. By assembling and disassembling the side rails and selecting appropriate side rails, animal experiments can be conducted without obstructing or affecting the animals, while also providing support. Furthermore, waste liquids and tissues generated during the experiment can be collected and cleaned up, avoiding large-scale pollution of the experimental site and platform, simplifying subsequent cleaning procedures, and improving experimental efficiency. Attached Figure Description

[0024] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of an embodiment of an animal experimental platform according to the present invention.

[0026] Figure 2 This is a schematic diagram of the structure of the platform, screw, and connector of the present invention.

[0027] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0028] Figure 4 This is a schematic diagram of the structure of the rectangular frame of the present invention after connecting one of the side rails.

[0029] Figure 5 for Figure 4 Enlarged diagram of point B in the middle.

[0030] Figure 6 This is a schematic diagram of the structure of the rectangular frame of the present invention after connecting another side bar.

[0031] Figure 7 This is a schematic diagram of the telescopic stopper of the present invention.

[0032] Platform 1, Screw 2, Mounting cavity 21, Corrugated protective cover 211, Rectangular frame 3, Support platform 31, U-shaped telescopic frame 32, Connecting ear 33, Transmission gear 4, Motor 41, Protective cover 42, Protrusion 5, Main board 51, Connecting shaft 52, Limit bolt 53, Insertion hole 54, Limiting hole 55, Connecting hole 56, L-shaped plate 6, Slide rod 61, Limiting piece 62, Pull block 63, Spring 64, U-shaped plate 7, Velcro strap 71, U-shaped groove 72, Connecting strip 8, Multi-stage telescopic rod 801, Connecting groove 81, Circular groove 811, Rectangular groove 812, Connecting plate 9, Blocking strip 91, Connecting bolt 92, Rectangular disc 93, Screw hole 94. Detailed Implementation

[0033] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] like Figure 1-7 As shown, an animal experimental table includes a table body 1, and a restraint mechanism is provided at the upper end of the table body 1.

[0035] The Baoding mechanism includes a transmission component, two screws 2, two clamps and two telescopic stops. A mounting cavity 21 is opened on one side of the upper end of the platform 1. The two screws 2 are rotatably mounted in the mounting cavity 21 with opposite threads. The transmission component is located on the side of the platform 1 and is connected to the two screws 2. The two clamps are threadedly connected to the two screws 2 respectively. The two telescopic stops are slidably mounted on the front and rear sides of the two clamps respectively.

[0036] The clamp includes a rectangular frame 3, a support platform 31 and a connector. The support platform 31 is threadedly connected to the screw 2. The connector is detachably fixed on the upper end of the support platform 31. The rectangular frame 3 is rotatably fixedly connected to the connector. Two binding claws are provided on the front and rear sides of the rectangular frame 3. A side rail is detachably fixedly connected to the side of the rectangular frame 3.

[0037] During animal experiments, different restraint measures can be taken by the restraint mechanism according to the animal's state and experimental needs. For example, when the animal is awake and standing, the two grippers can be perpendicular to the platform 1. During this process, the support platform 31, together with the connector, plays a supporting and limiting role for the rectangular frame 3. Then, the telescopic stoppers on the front of the two grippers are installed to form a U-shaped blocking structure. Finally, the animal is introduced into the platform 1 and placed between the two grippers. The other telescopic stopper is then installed to form a complete closed space. At this time, the transmission component can be activated to drive the two screws 2, so that the two grippers move closer to each other until the animal is restrained. This effectively restricts the animal's range of motion, making it easier to perform experimental operations such as measurement and drug injection. To further improve the restraint effect, a telescopic stopper can be added to the upper end of the two grippers in the same way to achieve a comprehensive enclosure effect.

[0038] When an animal is anesthetized or already under anesthesia, it can be bound to a rectangular frame 3 for further experiments. The grippers on the rectangular frame 3 are used to limit and fix the animal's limbs. To facilitate experimental operation, one of the grippers can be removed first when binding the animal. Then, the binding of the rectangular frame 3 can be released through the connector and the rectangular frame 3 can be rotated to make it parallel to the platform 1 and the side rails can be removed. The removed side rails can be reinstalled on the side of the rectangular frame 3 that is currently close to the platform 1. Alternatively, when adjusting the rectangular frame 3, the position of the support platform 31 can be adjusted to ensure that the side rails are close to the platform 1. At this time, the animal can be bound with the grippers. After binding, the animal is inside the rectangular frame 3 and supported by the side rails, which prevents the animal from losing strength and drooping, causing limb injury, while under anesthesia and unconsciousness. At this time, experimental operations such as dissection and sampling can be performed.

[0039] When it is necessary to change or adjust the experimental site of the animal, such as changing the animal's ventral orientation, simply follow the same procedure described above: first, release the restriction of the rectangular frame 3 via the connector, then flip it over, adjust the position of the support platform 31 so that the rectangular frame 3 corresponds to the platform 1, and finally remove and reinstall the side rails to effectively support the animal. This allows for flexible adjustment of the animal's posture during the experiment, better meeting the needs of different experiments. Furthermore, due to the setting of the two grippers, the two rectangular frames 3 can be flipped away from the platform 1 during the experiment, so that the two rectangular frames 3 are located on both sides of the platform 1. After restraining the animal in the same way as described above, experimental operations on two animals can be carried out simultaneously, forming a sample control group in the same space and time. This meets the needs of experiments on a larger number of animals without increasing the number of other equipment, reducing the pressure of space congestion caused by the number of equipment in the venue. In this way, the experimental needs in various situations can be met by the coordination between the two grippers.

[0040] The transmission assembly includes two transmission gears 4, a motor 41, and a protective cover 42. The two transmission gears 4 are rotatably mounted on the side of the platform 1 and are respectively connected to two screws 2. The two transmission gears 4 mesh with each other. The protective cover 42 is located on the side of the platform 1, and both transmission gears 4 are located inside the protective cover 42. The motor 41 is located within the protective cover 42, and its output shaft rotates into the protective cover 42 and is connected to one of the transmission gears 4. When it is necessary to adjust the position of the two support platforms 31 to change the position of the two rectangular frames 3, if the two rectangular frames 3 need to be closer together, simply turn on the motor 41 to make it rotate clockwise. At this time, the motor 41 rotates, driving the corresponding transmission gear 4 to rotate. The two meshing transmission gears 4 will rotate synchronously, thereby driving the two screws 2 to rotate synchronously. Since the threads of the two screws 2 have opposite directions, the two support platforms 31 will move closer together. Similarly, when they move away from each other, the motor 41 will rotate in reverse. This adjustment method is flexible, convenient, and quick. The protective cover 42 can shield and protect the components.

[0041] The lower end of the rectangular frame 3 has a protrusion 5, which matches the support platform 31 and the connector. The connector includes a main board 51, a connecting shaft 52, a limit pin 53, and a limiter. The limiter and the connecting shaft 52 are respectively located on the upper and lower sides of both ends of the main board 51. The limit pin 53 is threaded to the other end of the connecting shaft 52 and is perpendicular to the connecting shaft 52. Both the protrusion 5 and the support platform 31 have insertion holes 54 that match the connecting shaft 52. The side of the protrusion 5 has a limit hole 55 centered on the insertion hole 54. The side of the support platform 31 has several connecting holes 56 centered on the insertion hole 54 and matching the limiter. The protrusion 5, in conjunction with the support platform 31 and the connector, can support the rectangular frame 3. The rectangular frame 3 can be connected and its position adjusted. It can also be disassembled for cleaning or storage. When connecting the rectangular frame 3, first insert the protrusion 5 into the support platform 31 and ensure that the insertion hole 54 of the protrusion 5 corresponds to the insertion hole 54 of the support platform 31. Then, the connecting shaft 52 is passed through the protrusion 5 and the support platform 31. Finally, the limit bolt 53 is connected to the connecting shaft 52. The limit bolt 53, together with the main board 51, will prevent the connecting shaft 52 from detaching from the connection between the protrusion 5 and the support platform 31. At this time, the rectangular frame 3 can be connected to the support platform 31 and can rotate along the connecting shaft 52. With the use of the limiter, the rectangular frame 3 can be limited.

[0042] The limiter includes an L-shaped plate 6, a slide rod 61, a limiting piece 62, a pull block 63, and a spring 64. The L-shaped plate 6 is fixedly mounted on the main plate 51. The slide rod 61 is slidably mounted on the L-shaped plate 6 and slides through the main plate 51. The limiting piece 62 is mounted on the slide rod 61 and located between the L-shaped plate 6 and the main plate 51. The pull block 63 is fixedly mounted on the end of the slide rod 61 away from the main plate 51. The spring 64 is sleeved on the slide rod 61 and located between the L-shaped plate 6 and the limiting piece 62. When it is necessary to rotate the rectangular frame 3 for state adjustment... First, pull the lever 63 to move the slide bar 61, so that the slide bar 61 slides out of the limiting hole 55 of the protrusion 5. At this time, the protrusion 5 can rotate along the connecting shaft 52. After the position is adjusted, release the lever 63 directly. At this time, the slide bar 61 can be reset and inserted into the limiting hole 55 of the protrusion 5 again by the reset extension of the spring 64 and the push of the limiting piece 62, so as to ensure that the rectangular frame 3 will not rotate automatically and maintain the stability of the position of the rectangular frame 3. This operation method is convenient and quick.

[0043] A U-shaped telescopic frame 32 is slidably fixed on the side of the rectangular frame 3 away from the screw 2, in which two claw restrainers and one telescopic stopper are located. The U-shaped telescopic frame 32 allows for adjustment of the front-to-back length of the entire restraint mechanism and the distance between the claw restrainers when dealing with some larger animals, thus more flexibly meeting the restraint or restraint needs of animals of different sizes.

[0044] The claw restraint device includes a U-shaped plate 7 and a Velcro strap 71. The U-shaped plate 7 is parallel to the length direction of the rectangular frame 3. Both the rectangular frame 3 and the U-shaped telescopic frame 32 have U-shaped grooves 72 that match the U-shaped plate 7. One end of the Velcro strap 71 is fixed to the rear end of the U-shaped plate 7. The two sides of the Velcro strap 71 are the adhesive surface and the hook surface, respectively. The U-shaped plate 7, in conjunction with the U-shaped groove 72, can better match the animal's claws. When restraining the animal, first place the animal's claws on the U-shaped plate 7, and then directly wrap the Velcro strap 71 around it, wrapping the Velcro strap 71, the U-shaped plate 7, and the animal's claws together. To improve the effectiveness of the wrapping, a notch can also be opened at the upper end of the U-shaped plate 7, so that the depth of the notch matches the lowest point of the arc end of the U-shaped plate 7, thereby improving the stability of the wrapping. After the wrapping is completed, the adhesive surface and the hook surface of the Velcro strap 71 are glued together. This connection method is not only convenient and quick, but also causes less damage than the general method of directly pressing the animal's claws, and is more adaptable.

[0045] The telescopic stopper includes two connecting strips 8 and several multi-stage telescopic rods 801. The multi-stage telescopic rods 801 are evenly distributed between the two connecting strips 8. The rectangular frame 3 and the U-shaped telescopic frame 32 each have a connecting groove 81 at one end. The connecting groove 81 is composed of a circular groove 811 and a rectangular groove 812. The maximum opening width of the rectangular groove 812 is smaller than the diameter of the circular groove 811. The cross-sectional shape of the connecting strip 8 matches the connecting groove 81. The connecting strip 8 is connected to the connecting groove 81. The multi-stage telescopic rods 801 are located between the two connecting strips 8. While blocking the animal, they do not affect the position movement of the two grippers when adjusting their positions. Furthermore, since the maximum opening width of the rectangular groove 812 is smaller than the diameter of the circular groove 811, after the connecting strip 8 is inserted into the connecting groove 81, it will not be pulled out from the side. It can only be taken out vertically. This connection method is more convenient, faster, and more stable.

[0046] The rectangular frame 3 has symmetrical connecting ears 33 at both the front and rear ends of its upper side. The side rail consists of a connecting plate 9 and several blocking strips 91. The blocking strips 91 are evenly distributed on the connecting plate 9. The connecting plate 9 is threaded with connecting bolts 92 that match the connecting ears 33. The connecting ears 33 serve as a connection. At the same time, the connecting ears 33 at both the front and rear ends of the upper side of the rectangular frame 3 allow the side rail to be disassembled and reassembled during animal experiments to change the animal's ventral position, ensuring that the side rail can effectively support the animal. When the side rail is perpendicular to the platform 1, i.e., when the animal is standing, the connecting bolts 92 connect the connecting plate 9 and the connecting ears 33, and the blocking strips 91 can be used to block and restrain the animal, facilitating injection, measurement, and other operations on the unanesthetized animal, thus improving the safety of the experiment. To reduce the obstruction of the experiment by the blocking strips 91, the blocking strips 91 can be threaded to the connecting plate 9. If necessary, the blocking strips 91 at designated positions can be removed individually to facilitate experimental operations.

[0047] The side rail can also be a rectangular disc 93, with one end recessed. Several screw holes 94 are evenly distributed on one side of the rectangular disc 93. The rectangular disc 93 is connected to the connecting lug 33 via connecting bolts 92 and screw holes 94. When conducting experiments on animals under anesthesia or coma, the rectangular disc 93 not only supports the animal and reduces its load, but its recessed end can also collect waste liquids, waste products, and tissues generated during the experiment, preventing them from flowing everywhere. It can also serve as a platform for placing experimental tools, improving experimental efficiency. After the experiment, the connecting bolts 92 and 94 are removed. 2. Removing the rectangular disc 93 allows it to be disconnected from the connecting ear 33, so that only the rectangular disc 93 needs to be cleaned, without having to clean the entire platform 1. This reduces the difficulty of post-experiment cleaning and makes it more convenient to use. Especially when multiple experimental subjects need to be tested, multiple rectangular discs 93 can be prepared for replacement, which greatly improves the experimental efficiency for multiple experimental subjects and avoids wasting time on cleaning. The setting of several screw holes 94 allows for flexible adjustment when dealing with some large animals, so that the corresponding experimental position cannot correspond to the rectangular disc 93 in the conventional installation position.

[0048] A partition strip is provided in the middle of the mounting cavity 21, and corrugated protective covers 211 connected to the inner wall of the mounting cavity 21 are connected to both ends of the two support platforms. The partition strip serves to separate the two support platforms 31, making the support platforms 31 more stable when moving. In order to further improve the stability of movement, a stabilizing rod parallel to the screw 2 can be set in the mounting cavity 21, and the support platform 31 is slidably connected to the stabilizing rod, thereby further enhancing the stability. The corrugated protective cover 211 serves to shield the mounting cavity 21, preventing external debris from falling in or the claws of the animal from extending into the mounting cavity 21 when standing. At the same time, the corrugated protective cover 211 does not affect the normal movement of the support platform 31.

[0049] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. An animal experimental platform, comprising a platform body, characterized in that: The upper end of the platform is equipped with a restraint mechanism; The restraining mechanism includes a transmission assembly, two screws, two clamps, and two telescopic stops. A mounting cavity is opened on one side of the upper end of the platform. The two screws are rotatably mounted side by side in the mounting cavity, and the threads of the two screws have opposite directions. The transmission assembly is located on the side of the platform and is connected to the two screws. The two clamps are threadedly connected to the two screws respectively. The two telescopic stops are slidably mounted on the front and rear sides of the two clamps respectively. The clamp includes a rectangular frame, a support platform, and a connector. The support platform is threadedly connected to the screw. The connector is detachably and fixedly mounted on the upper end of the support platform. The rectangular frame is rotatably and fixedly connected to the connector. Two binding claws are provided on the front and rear sides of the rectangular frame. Connecting ears are symmetrically provided at the front and rear ends of the upper side of the rectangular frame. Side rails are detachably and fixedly connected to the side of the rectangular frame.

2. The animal experimental platform according to claim 1, characterized in that: The transmission assembly includes two transmission gears, a motor, and a protective cover. The two transmission gears are rotatably mounted on the side of the platform and are respectively connected to the two screws. The two transmission gears mesh with each other. The protective cover is located on the side of the platform and both transmission gears are located inside the protective cover. The motor is located on the protective cover and its output shaft rotatably extends into the protective cover and is connected to one of the transmission gears.

3. The animal experimental platform according to claim 1, characterized in that: The lower end of the rectangular frame is provided with a protrusion, which matches the support platform and the connector. The connector includes a main board, a connecting shaft, a limit bolt, and a limiter. The limiter and the connecting shaft are respectively located on the upper and lower sides of both ends of the main board. The limit bolt is threaded to the other end of the connecting shaft and is perpendicular to the connecting shaft. The protrusion and the support platform are both provided with insertion holes that match the connecting shaft. The side of the protrusion is provided with a limit hole centered on the insertion hole. The side of the support platform is provided with a plurality of connecting holes centered on the insertion hole and matching the limiter.

4. An animal experimental platform according to claim 3, characterized in that: The limiter includes an L-shaped plate, a slide rod, a limiting piece, a pull block, and a spring. The L-shaped plate is fixedly mounted on the main plate. The slide rod is slidably mounted on the L-shaped plate and slides through the main plate. The limiting piece is mounted on the slide rod and located between the L-shaped plate and the main plate. The pull block is fixedly mounted on the end of the slide rod away from the main plate. The spring is sleeved on the slide rod and located between the L-shaped plate and the limiting piece.

5. An animal experimental platform according to claim 1, characterized in that: The rectangular frame is slidably fixed with a U-shaped telescopic frame on the side away from the screw, wherein two of the binding claws and one of the telescopic blockers are located on the U-shaped telescopic frame.

6. An animal experimental platform according to claim 5, characterized in that: The binding claw includes a U-shaped plate and a Velcro strap. The U-shaped plate is parallel to the length direction of the rectangular frame. Both the rectangular frame and the U-shaped telescopic frame have U-shaped grooves that match the U-shaped plate. One end of the Velcro strap is fixed to the rear end of the U-shaped plate. The two sides of the Velcro strap are the adhesive surface and the hook surface, respectively.

7. An animal experimental platform according to claim 5, characterized in that: The telescopic stopper includes two connecting strips and several multi-stage telescopic rods. The several multi-stage telescopic rods are evenly arranged between the two connecting strips. The rectangular frame and the U-shaped telescopic frame each have a connecting groove at one end. The connecting groove is composed of a circular groove and a rectangular groove. The maximum opening width of the rectangular groove is smaller than the diameter of the circular groove. The cross-sectional shape of the connecting strip matches the connecting groove.

8. An animal experimental platform according to claim 1, characterized in that: The side rail consists of a connecting plate and several blocking strips. The blocking strips are evenly distributed on the connecting plate, and the connecting plate is threaded with connecting bolts that match the connecting lugs.

9. An animal experimental platform according to claim 1, characterized in that: The side rail can also be a rectangular disc, with one end recessed and several screw holes evenly distributed on one side. The rectangular disc is connected to the connecting lug via connecting bolts and the screw holes.

10. An animal experimental platform according to claim 1, characterized in that: The mounting cavity is provided with a partition strip in the middle, and both ends of the two support platforms are connected to a corrugated protective cover that is connected to the inner wall of the mounting cavity.

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