CN113171204A

CN113171204A - But angle regulation's rat shank fixing device for experiments

Info

Publication number: CN113171204A
Application number: CN202110504985.1A
Authority: CN
Inventors: 王允昌; 张祎年; 燕昭璇; 潘亚文; 段磊; 袁国强; 孙瑶; 王思文
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-07-27
Anticipated expiration: 2041-05-10
Also published as: CN113171204B

Abstract

The invention discloses an experimental adjustable-angle rat leg fixing device, which belongs to the technical field of mouse fixing equipment and comprises a shell, wherein a supporting frame is arranged at the upper end of the shell, a plurality of fixing structures are arranged at the upper end of the supporting frame, and an operating table is arranged above the supporting frame. According to the mouse binding device, a mouse is fixed on the second fixing plate through the binding device, one foot of the mouse is placed in the corresponding connecting port, the knob is rotated to wind the locking rope on the take-up pulley, the locking rope can continuously approach to the ankle of the mouse in the process of being wound on the take-up pulley, so that the foot of the mouse is fixed, other feet of the mouse can be respectively fixed in the corresponding fixing sleeves by analogy, one of the limiting frames is used for blocking one of the rotating shafts, the first electric push rod is opened, the operating platform is pushed by the first electric push rod, the operating platform can rotate by taking the rotating shaft blocked by the limiting frame as the rotating shaft, and the operating platform can be adjusted in multiple angles through the mode.

Description

But angle regulation's rat shank fixing device for experiments

Technical Field

The invention relates to the technical field of mouse fixing equipment, in particular to an experimental angle-adjustable rat leg fixing device.

Background

In many scientific experiments, a white mouse needs to be used, the white mouse is alive, an experimenter cannot effectively fix the white mouse after holding the white mouse, the white mouse is easily injured by forcedly limiting the activity of the white mouse, and the experimental data are easily inaccurate.

Most of the traditional mouse fixing devices are simple in structure, cannot fix the mouse on all sides, do not have the angle adjusting function and are poor in practicability.

Chinese patent discloses a rat experiment fixing device, (No. CN211381941U), the patent technology can be used for fixing a rat, the rat is placed on a workbench, then a first limb clamping sleeve and a head clamping sleeve are moved to proper positions according to the size of the rat, then a nut on the outer wall of a screw rod is screwed, so that the first limb clamping sleeve is driven to move downwards, a first elastic part is driven to move downwards, a second limb clamping sleeve is driven to move downwards, the limb of the rat is fixed on the top wall of the workbench, a certain buffering effect can be achieved when the limb of the rat is fixed through the arrangement of the first elastic part, the situation that the rat is directly fixed on the workbench by the first limb clamping sleeve, the limb of the rat is injured, and the rat is dead is avoided, and then lead to the experiment cost to increase, simultaneously, be connected with the rubber pad on the cutting ferrule inner wall through the second limbs to make the rat meet with fixing device flexibility, and then further avoid leading to the rat injured or the dead circumstances of appearing in the condition that leads to the rat injury to the rat fixed process, nevertheless, this patent can't be adjusted fixing device's angle, can't fix the shank of laboratory mouse simultaneously, and the practicality is poor. Therefore, the present invention provides an experimental adjustable angle rat leg fixing device to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an experimental rat leg fixing device with an adjustable angle, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an angle regulation's rat shank fixing device for experiments, includes the shell, the upper end of shell is equipped with the carriage, the upper end of carriage is equipped with a plurality of fixed knot and constructs, carriage's top is equipped with the operation panel, the carriage passes through fixed knot structure and operation panel swing joint, the upper end damping sliding connection of operation panel has first fixed plate and second fixed plate, the equal symmetrical damping sliding connection in upper end of first fixed plate and second fixed plate has fixing device, the inside of shell is equipped with strutting arrangement.

According to a further scheme of the invention, the fixing structure comprises two supporting blocks, arc-shaped grooves are formed in the upper ends of the supporting blocks, a connecting plate is arranged between the two supporting blocks, limiting frames are arranged on one sides of the connecting plates, second electric push rods are arranged at the ends, far away from the connecting plate, of the limiting frames, the second electric push rods penetrate through the limiting frames, and telescopic arms of the second electric push rods are fixedly connected with the connecting plates.

As a further proposal of the invention, the front, the rear, the left and the right end surfaces of the operating platform are symmetrically provided with fixed blocks, rotating shafts are arranged between the fixed blocks on the front, the rear, the left and the right end surfaces of the operating platform, the rotating shafts are respectively connected with the supporting blocks through arc-shaped grooves in a rotating manner, the upper end of the operating platform is symmetrically provided with first sliding chutes, the first fixing plate and the second fixing plate are connected with the operating platform in a damping sliding manner through the first sliding chutes, sliding rods are symmetrically arranged between the first fixing plate and the second fixing plate, second sliding grooves are respectively arranged at the upper ends of the first fixing plate and the second fixing plate, sliding blocks are respectively arranged inside the two second sliding grooves, the upper end of slider all is equipped with fixing device, fixing device passes through slider and second spout and first fixed plate and second fixed plate damping sliding connection respectively, the upper end of second fixed plate is equipped with ties up the device.

As a further scheme of the present invention, the binding device includes a first fixing buckle and a second fixing buckle, and a binding band is disposed between the first fixing buckle and the second fixing buckle.

As a further scheme of the invention, the supporting device comprises a supporting frame and a first electric push rod, one end of the supporting frame is connected with the inner bottom end of the shell, the other end of the supporting frame is connected with the lower end of the supporting frame, connecting lugs are symmetrically arranged at the inner bottom end of the supporting frame, a connecting ball is arranged in front of the two connecting lugs, a connecting long shaft is symmetrically arranged on the surface of the connecting ball, a connecting short shaft is also symmetrically arranged on the surface of the connecting ball, the connecting ball is rotatably connected with the connecting lugs through the connecting long shaft, the lower end of the first electric push rod is rotatably connected with the two connecting short shafts, the first electric push rod is rotatably connected with the supporting frame through the connecting ball, and one end of the first electric push rod, which is far away from the inner bottom end of the supporting frame, is rotatably connected with the operating table.

As a further scheme of the present invention, a connection manner between one end of the first electric push rod, which is far away from the bottom end inside the support frame, and the operation table is the same as a connection manner between the first electric push rod and the support frame.

As a further scheme of the present invention, the fixing device includes a fixing sleeve, a connecting disc is disposed at an upper end of the fixing sleeve, a plurality of connecting grooves are disposed at an upper end of the connecting disc, a knob is disposed at an upper end of the connecting disc, the knob is rotatably connected to the connecting disc through a connecting rod, grooves are symmetrically disposed on an outer surface of the connecting rod, a take-up pulley is sleeved on the connecting rod, a plurality of elastic strips are disposed at a lower end of the take-up pulley, a locking disc is disposed below the take-up pulley, the take-up pulley is connected to the locking disc through the elastic strips, the locking disc is slidably connected to the connecting rod, a plurality of limiting beads are disposed at a lower end of the locking disc, and the locking disc is movably.

As a further scheme of the present invention, a connection port is provided at one end of the fixing sleeve, a plurality of limiting ropes are provided in the connection port on the inner wall of the fixing sleeve, a locking rope is movably connected in the connection port on the cylinder wall of the fixing sleeve, the locking rope passes through the plurality of limiting ropes, both ends of the locking rope penetrate through the cylinder wall of the fixing sleeve, and both ends of the locking rope are connected with the take-up pulley.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used, a mouse is fixed on the second fixing plate by the binding device, then one foot of the mouse is firstly put into the connecting port on the corresponding fixing sleeve, then the knob is rotated, the locking rope is wound on the take-up pulley when the knob is rotated, the limiting rope can be continuously stretched in the process of winding the locking rope on the take-up pulley, meanwhile, the locking rope can be continuously close to the ankle part of the mouse until the locking rope is completely sleeved on the leg part of the mouse, the knob is stopped rotating when the foot of the mouse is fixed in the fixing sleeve, the limiting bead can move into the transition groove from the connecting groove in the rotating process of the knob and then move into the connecting groove from the transition groove, the locking disc is pushed against the locking disc in the direction close to the take-up pulley when the limiting bead moves into the transition groove from the connecting groove, the elastic strip can be compressed when the locking disc moves towards the direction of the take-up pulley, when needs stop the knob that rotates, rotate spacing pearl in the spread groove once more, lock between locking dish and the connection pad through spread groove and spacing pearl, avoid the take-up pulley to take place to rotate under pulling of locking rope to this analogizes fixes other feet of mouse respectively in the fixed sleeve that corresponds, thereby accomplishes the fixed to the mouse shank.

2. When the angle adjusting device is used, when the angle of the operating platform needs to be changed, the second electric push rods are opened, the limiting frames are separated from the rotating shaft by the second electric push rods, then one of the second electric push rods is used for pushing the corresponding limiting frame to approach the connecting plate, when the limiting frame approaches the connecting plate, the limiting strips on the limiting frames are clamped in the limiting grooves, so that the rotating shaft is blocked, when the limiting strips enter the limiting grooves, the first electric push rods are opened, the operating platform is jacked by the first electric push rods, and the operating platform can rotate by taking the rotating shaft blocked by the limiting frames as a rotating shaft in the jacking process, so that the angle of the operating platform is adjusted, and the operating platform can be adjusted in multiple angles in such a way.

Drawings

Fig. 1 is a schematic structural diagram of an experimental adjustable-angle rat leg fixing device.

Fig. 2 is a schematic diagram of a split structure of a housing, a support frame and an operating platform in the experimental angle-adjustable rat leg fixing device.

Fig. 3 is a schematic top view of an experimental adjustable-angle rat leg fixing device.

Fig. 4 is a schematic illustration of a disassembled structure of an operation table, a first fixing plate and a second fixing plate in the experimental rat leg fixing device with an adjustable angle.

Fig. 5 is a schematic view of a connection structure of a support frame and a first electric push rod in an experimental adjustable-angle rat leg fixing device.

Fig. 6 is a schematic structural view of a connection ball in an experimental adjustable-angle rat leg fixing device.

Fig. 7 is a schematic diagram of the structure of the fixing device in the experimental adjustable-angle rat leg fixing device.

Fig. 8 is a schematic view of a detachable structure of a fixing device in an experimental adjustable-angle rat leg fixing device.

Fig. 9 is a side view of a fixing device in an experimental adjustable-angle rat leg fixing device.

Fig. 10 is an enlarged view of the part of the structure of fig. 8 in an experimental adjustable-angle rat leg fixing device.

In the figure: 1. a housing; 2. a protective door; 3. a support frame; 4. a support frame; 5. a first electric push rod; 6. an operation table; 7. fixing the sleeve; 8. a slider; 300. a support block; 301. a connecting plate; 302. A limiting frame; 303. a second electric push rod; 400. connecting lugs; 401. a connecting ball; 402. connecting the long shaft; 403. connecting the short shaft; 600. a fixed block; 601. a rotating shaft; 602. a limiting groove; 603. a first fixing plate; 604. a second fixing plate; 605. a first chute; 606. a second chute; 607. a slide bar; 608. a first fixing buckle; 609. a second fixing buckle; 610. binding bands; 700. a connecting disc; 701. Connecting grooves; 702. a knob; 703. a connecting rod; 704. a groove; 705. a take-up pulley; 706. a locking disc; 707. an elastic strip; 708. a limiting bead; 709. a connecting port; 710. a limiting block; 711. a locking rope; 712. a protective shell; 713. a limiting rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 6, in an embodiment of the present invention, an angle-adjustable rat leg fixing device for experiments includes a housing 1, storage cabinets are disposed at both left and right ends of the housing 1, a protective door 2 is disposed in each storage cabinet, the protective door 2 is connected to the housing 1 through a hinge, a support frame 3 is disposed at an upper end of the housing 1, a plurality of fixing structures are disposed at an upper end of the support frame 3, the four fixing structures are disposed at upper ends of four sides of the support frame 3, an operation table 6 is disposed above the support frame 3, the operation table 6 is rectangular, the support frame 3 is movably connected to the operation table 6 through a fixing structure, a first fixing plate 603 and a second fixing plate 604 are slidably connected to an upper end of the operation table 6 in a damping manner, fixing devices are slidably connected to upper ends of the first fixing plate 603 and the second fixing plate 604 in a symmetrical damping manner, and a supporting device is disposed inside the housing 1;

wherein, fixed knot constructs including two supporting shoe 300, the upper end of supporting shoe 300 all is equipped with the arc groove, be equipped with connecting plate 301 between two supporting shoe 300, supporting

shoe

300 and 3 fixed connection of carriage, connecting

plate

301 and 3 fixed connection of carriage, one side of a plurality of connecting plates 301 all is equipped with spacing 302, one side that 6 central points of operation panel were kept away from to a plurality of connecting plates 301 all is equipped with spacing 302, spacing 302 sets up to "L" shape, spacing 302 is close to the one end of connecting plate 301 upper end and all is equipped with spacing, the one end that connecting plate 301 was kept away from to spacing 302 all is equipped with second electric putter 303, second electric putter 303 runs through spacing 302, the telescopic arm and the connecting plate 301 fixed connection of second electric putter 303, the steerable spacing 302 of flexible through second electric putter 303 is close to or keeps away from connecting plate 301.

Wherein, four end faces of the operation table 6 are symmetrically provided with fixed blocks 600, rotating shafts 601 are arranged between the fixed blocks 600 on which the four end faces of the operation table 6 are arranged, the rotating shafts 601 are fixedly connected with the fixed blocks 600, the surfaces of the rotating shafts 601 are provided with limit grooves 602, limit strips on the limit frames 302 are clamped in the limit grooves 602, a plurality of rotating shafts 601 are rotatably connected with the supporting blocks 300 through arc-shaped grooves respectively, the upper end of the operation table 6 is symmetrically provided with first sliding grooves 605, the first fixed plate 603 and the second fixed plate 604 are connected with the operation table 6 in a damping sliding manner through the first sliding grooves 605, sliding rods 607 are symmetrically arranged between the first fixed plate 603 and the second fixed plate 604, the first fixed plate 603 and the second fixed plate 604 are connected with the sliding rods 607 in a sliding manner, the upper ends of the first fixed plate 603 and the second fixed plate 604 are provided with second sliding grooves 606, the inside of two second spouts 606 all is equipped with slider 8, and the quantity of slider 8 sets up to two, and the upper end of slider 8 all is equipped with fixing device, and fixing device passes through slider 8 and second spout 606 respectively and first fixed plate 603 and the damping sliding connection of second fixed plate 604, and the upper end of second fixed plate 604 is equipped with binds the device.

The binding device includes a first fastener 608 and a second fastener 609, and a binding band 610 is disposed between the first fastener 608 and the second fastener 609.

Wherein, strutting arrangement includes support frame 4 and first electric putter 5, first electric putter 5 is located the middle part of support frame 4, the one end of support frame 4 is connected with the inside bottom of shell 1, the other end is connected with the lower extreme of carriage 3, the inside bottom symmetry of support frame 4 is equipped with engaging lug 400, be equipped with joint ball 401 before two engaging lugs 400, the surface symmetry of joint ball 401 is equipped with connects major axis 402, the surface of joint ball 401 is still symmetrically equipped with connects minor axis 403, connect major axis 402 and connect minor axis 403 mutually perpendicular installation on joint ball 401, joint ball 401 rotates with joint lug 400 through connecting major axis 402 and being connected, the lower extreme and two of first electric putter 5 are connected minor axis rotation, first electric putter 5 rotates with support frame 4 through connecting ball 401 and is connected, the one end that the inside bottom of support frame 4 was kept away from to first electric putter 5 rotates with operation panel 6 and is connected.

The connection mode of one end of the first electric push rod 5, which is far away from the bottom end inside the support frame 4, and the operation table 6 is the same as the connection mode between the first electric push rod 5 and the support frame 4.

Example two:

referring to fig. 7, 8 and 9, the difference between the embodiment 1 and the above embodiments is that the fixing device includes a fixing sleeve 7, a connecting disc 700 is disposed at the upper end of the fixing sleeve 7, a plurality of connecting slots 701 are disposed at the upper end of the connecting disc 700, the connecting slots 701 are all hemispherical, transition slots are disposed between the connecting slots 701, the depth of the transition slots is smaller than that of the connecting slots 701, a knob 702 is disposed at the upper end of the connecting disc 700, the knob 702 is rotatably connected to the connecting disc 700 through a connecting rod 703, grooves 704 are symmetrically disposed on the outer surface of the connecting rod 703, a take-up pulley 705 is sleeved on the connecting rod 703, a plurality of elastic strips 707 are disposed at the lower end of the take-up pulley 705, the elastic strips 707 are V-shaped, a locking disc 706 is disposed below the take-up pulley 705, the take-up pulley is connected to the locking disc 706 through the elastic strips 707, the locking disc 706 is slidably connected to the connecting rod 703, a connecting port 709 is arranged in the middle of the locking disc 706, limiting blocks 710 are symmetrically arranged in the connecting port 709, the limiting blocks 710 are slidably connected with the connecting rod 703 through grooves 704, a plurality of limiting beads 708 are arranged at the lower end of the locking disc 706, the number of the limiting beads 708 is the same as that of the connecting grooves 701, the locking disc 706 is movably connected with the connecting disc 700 through the limiting beads 708 and the connecting grooves 701, a connecting port 709 is arranged at one end of the fixing sleeve 7, a plurality of limiting ropes 713 are arranged in the connecting port 709 on the inner wall of the fixing sleeve 7, the limiting ropes 713 are elastic, a locking rope 711 is movably connected in the connecting port 709 on the cylinder wall of the fixing sleeve 7, the locking rope 711 penetrates through the limiting ropes 713, two ends of the locking rope 711 penetrate through the cylinder wall of the fixing sleeve 7, two ends of the locking rope 711 are connected with the take-up pulley, a protective shell 712 is arranged on the outer surface of the fixing sleeve 7, and the protective shell 705 covers the locking rope 711 to protect the locking rope 711.

The principle of the invention is as follows:

before use, the distance between the first fixing plate 603 and the second fixing plate 604 is adjusted according to the body type of the mouse, then the distance between the fixing devices on the first fixing plate 603 and the second fixing plate 604 is adjusted, after the distances between the first fixing plate 603 and the fixing devices on the second fixing plate 604 are adjusted, the mouse is fixed on the second fixing plate 604 by the binding device, then one foot of the old mouse is put into the corresponding connecting port 709 on the fixing sleeve 7, then the knob 702 is rotated, the locking rope 711 is wound on the take-up pulley 705 when the knob 702 is rotated, the limiting rope 713 is continuously stretched when the locking rope 711 is wound on the take-up pulley 705, meanwhile, the locking rope 711 is continuously close to the ankle part of the mouse until the locking rope 711 is completely sleeved and locked on the leg part of the mouse, the rotation of the knob 702 is stopped when the foot of the mouse is fixed in the fixing sleeve 7, the knob 702 moves into the transition groove from the connecting groove 701 in the rotating process, and then moves into the connecting groove 701 from the transition groove, in such a reciprocating way, the limiting bead 708 pushes the locking disc 706 towards the direction close to the wire take-up wheel 705 when moving into the transition groove from the connecting groove 701, the locking disc 706 compresses the elastic strip 707 when moving towards the wire take-up wheel 705, when the knob 702 needs to be stopped rotating, the limiting bead 708 rotates into the connecting groove 701 again, the locking disc 706 and the connecting disc 700 are locked through the connecting groove 701 and the limiting bead 708, the wire take-up wheel 705 is prevented from rotating under the pulling of the locking rope 711, and the other feet of the mouse are respectively fixed in the corresponding fixed sleeves 7 by the analogy, so that the legs of the mouse are fixed, when the feet of the mouse need to be taken out from the fixed sleeves 7, the knob 702 is rotated again, the locking rope 711 on the wire take-up wheel 705 is loosened, the locking rope 711 is released and then returns to the original state again under the elastic action of the limiting rope 713;

when the angle of the operating platform 6 needs to be changed, the second electric push rod 303 is opened, the second electric push rod 303 is utilized to separate the limiting frame 302 from the rotating shaft 601, then one of the second electric push rods 303 is utilized to push the corresponding limiting frame 302 to approach the connecting plate 301, when the limiting frame 302 approaches the connecting plate 301, the limiting strip on the limiting frame 302 can be clamped in the limiting groove 602, so that the rotating shaft 601 is blocked, the first electric push rod 5 is opened after the limiting strip enters the limiting groove 602, the operating platform 6 is jacked by the first electric push rod 5, the rotating shaft 601 blocked by the limiting frame 302 can be used as a rotating shaft to rotate in the jacking process of the operating platform 6, so that the angle of the operating platform 6 is adjusted, and the operating platform 6 can be adjusted in multiple angles in such a way.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides an angle adjustable's rat shank fixing device for experiments, includes shell (1), its characterized in that, the upper end of shell (1) is equipped with carriage (3), the upper end of carriage (3) is equipped with a plurality of fixed knot and constructs, the top of carriage (3) is equipped with operation panel (6), carriage (3) are through fixed knot structure and operation panel (6) swing joint, the upper end damping sliding connection of operation panel (6) has first fixed plate (603) and second fixed plate (604), the equal symmetrical damping sliding connection in upper end of first fixed plate (603) and second fixed plate (604) has fixing device, the inside of shell (1) is equipped with strutting arrangement.

2. The experimental adjustable angle rat leg fixing device according to claim 1, wherein the fixing structure comprises two supporting blocks (300), the upper ends of the supporting blocks (300) are provided with arc-shaped grooves, a connecting plate (301) is arranged between the two supporting blocks (300), one side of each of the connecting plates (301) is provided with a limiting frame (302), one end of each limiting frame (302), which is far away from the connecting plate (301), is provided with a second electric push rod (303), the second electric push rod (303) penetrates through the limiting frame (302), and the telescopic arm of the second electric push rod (303) is fixedly connected with the connecting plate (301).

3. The angle-adjustable rat leg fixing device for experiments according to claim 1, wherein the operating table (6) is symmetrically provided with fixing blocks (600) at the front, rear, left and right end surfaces, the rotating shafts (601) are respectively arranged between the fixing blocks (600) at the front, rear, left and right end surfaces of the operating table (6), the rotating shafts (601) are respectively rotatably connected with the supporting block (300) through arc-shaped grooves, the upper end of the operating table (6) is symmetrically provided with first sliding grooves (605), the first fixing plate (603) and the second fixing plate (604) are respectively connected with the operating table (6) in a damping sliding manner through the first sliding grooves (605), the sliding rods (607) are symmetrically arranged between the first fixing plate (603) and the second fixing plate (604), the upper ends of the first fixing plate (603) and the second fixing plate (604) are respectively provided with second sliding grooves (606), the two inside of second spout (606) all is equipped with slider (8), the upper end of slider (8) all is equipped with fixing device, fixing device respectively through slider (8) and second spout (606) and first fixed plate (603) and second fixed plate (604) damping sliding connection, the upper end of second fixed plate (604) is equipped with binds the device.

4. The experimental adjustable angle rat leg fixing device according to claim 3, wherein the binding device comprises a first fixing buckle (608) and a second fixing buckle (609), and a binding band (610) is arranged between the first fixing buckle (608) and the second fixing buckle (609).

5. The experimental adjustable angle rat leg fixing device according to claim 1, wherein the supporting device comprises a supporting frame (4) and a first electric push rod (5), one end of the supporting frame (4) is connected with the inner bottom end of the housing (1), the other end of the supporting frame is connected with the lower end of the supporting frame (3), the inner bottom end of the supporting frame (4) is symmetrically provided with connecting lugs (400), a connecting ball (401) is arranged in front of the two connecting lugs (400), the surface of the connecting ball (401) is symmetrically provided with a connecting long shaft (402), the surface of the connecting ball (401) is further symmetrically provided with a connecting short shaft (403), the connecting ball (401) is rotatably connected with the connecting lugs (400) through the connecting long shaft (402), the lower end of the first electric push rod (5) is rotatably connected with the two connecting short shafts (403), the first electric push rod (5) is rotatably connected with the supporting frame (4) through the connecting ball (401), one end, far away from the bottom end inside the support frame (4), of the first electric push rod (5) is rotatably connected with the operating platform (6).

6. The experimental adjustable angle rat leg fixing device according to claim 5, wherein the end of the first electric putter (5) far away from the bottom end inside the supporting frame (4) is connected with the operation table (6) in the same way as the first electric putter (5) is connected with the supporting frame (4).

7. The experimental adjustable angle rat leg fixing device according to claim 1, wherein the fixing device comprises a fixing sleeve (7), a connecting disc (700) is arranged at the upper end of the fixing sleeve (7), a plurality of connecting grooves (701) are arranged at the upper end of the connecting disc (700), a knob (702) is arranged at the upper end of the connecting disc (700), the knob (702) is rotatably connected with the connecting disc (700) through a connecting rod (703), grooves (704) are symmetrically arranged on the outer surface of the connecting rod (703), a take-up pulley (705) is sleeved on the connecting rod (703), a plurality of elastic strips (707) are arranged at the lower end of the take-up pulley (705), a locking disc (706) is arranged below the take-up pulley (705), the take-up pulley (705) is connected with the locking disc (706) through the elastic strips (707), and the locking disc (706) is slidably connected with the connecting rod (703), the lower end of the locking disc (706) is provided with a plurality of limiting beads (708), and the locking disc (706) is movably connected with the connecting disc (700) through the limiting beads (708) and the connecting groove (701).

8. The experimental adjustable-angle rat leg fixing device according to claim 7, wherein a connecting port (709) is formed in one end of the fixing sleeve (7), a plurality of limiting ropes (713) are arranged in the connecting port (709) on the inner wall of the fixing sleeve (7), a locking rope (711) is movably connected to the connecting port (709) on the wall of the fixing sleeve (7), the locking rope (711) penetrates through the limiting ropes (713), two ends of the locking rope (711) penetrate through the wall of the fixing sleeve (7), and two ends of the locking rope (711) are connected with the take-up pulley (705).