Bone tissue biomechanical state simulation device

Abstract

The invention discloses a bone tissue biomechanical state simulation device, and relates to the field of mechanical state simulation devices.The bone tissue biomechanical state simulation device comprises an operation table, a protective cover and a controller are fixedly connected to the upper surface of the operation table, a sleeve and a pair of supporting rings are fixedly connected to the upper surface of the operation table, and a sliding groove is formed in the upper surface of the operation table; the inner wall of the sliding groove is slidably connected with a supporting cylinder, and the inner wall of the sliding groove is rotatably connected with a mechanical simulation mechanism. The lower surfaces of the C-shaped pressing plates press the surface of the bone tissue to test the structural strength of the bone tissue, the distance between the pair of C-shaped pressing plates can be adjusted by rotating the second positive and negative screw rod so as to change the contact positions of the pair of C-shaped pressing plates and the bone tissue, the surface of the pressing plate presses the surface of the pressure sensor, and the pressure sensor senses the pressure; and judging whether the bone tissue is subjected to pressure reaching the standard or not, and carrying out biomechanical state simulation on the bone tissue.

Description

Technical Field

[0001] The invention relates to the field of mechanical state simulation devices, and in particular to a bone tissue biomechanical state simulation device. Background Art

[0002] Mechanical state simulation refers to experiments performed on computers to predict and analyze the behavior and performance of mechanical systems through simulation. This simulation can cover a variety of mechanical phenomena, including vibration, structural dynamics, soil mechanics, etc., to evaluate the response and performance of the system, thereby optimizing the design or solving practical problems. With the development of computer technology, more and more experiments are performed on computers, and this simulation method has become increasingly important in the fields of science and engineering.

[0003] The bearing capacity of bone tissue needs to be measured from three aspects. The first requirement is that the bone has sufficient strength and the ability of the phalanges to resist damage under load. The second requirement is that the bone has sufficient rigidity and the ability of the phalanges to resist deformation under external force. The third requirement is that the bone has sufficient stability and the ability of the phalanges to maintain their original balance. Therefore, a device that simulates the biomechanical state is needed to measure the bearing capacity of bone tissue. Summary of the invention

[0004] The purpose of the present invention is to provide a device for simulating the biomechanical state of bone tissue to solve the problem in the above background technology that a device for simulating the biomechanical state is needed to measure the bearing capacity of bone tissue.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a bone tissue biomechanical state simulation device, comprising an operating table, a protective cover and a controller are fixedly connected to the upper surface of the operating table, a sleeve and a pair of support rings are fixedly connected to the upper surface of the operating table, a slide groove is provided on the upper surface of the operating table, a support cylinder is slidably connected to the inner wall of the slide groove, and a mechanical simulation mechanism is rotatably connected to the inner wall of the slide groove;

[0006] The mechanical simulation mechanism includes a first positive and negative screw rod rotatably connected to the inner wall of the slide groove, one end of the first positive and negative screw rod is fixedly connected to a hand crank, the surface of the first positive and negative screw rod is threadedly connected to the inner wall of the support tube, the surface of the support tube is fixedly connected to a positioning tube and a fixing tube, the inner wall of the positioning tube is rotatably connected to a second screw rod, the inner wall of the fixing tube is rotatably connected to a first screw, the surface of the second screw is threadedly connected to a slider, the surface of the slider is slidably connected to the inner wall of the positioning tube, the surface of the first screw is threadedly connected to a C-shaped fixing plate, the surface of the C-shaped fixing plate is slidably connected to the inner wall of the fixing tube, and the second screw and the inner wall of the C-shaped fixing plate are threadedly connected with the same screw.

[0007] The inner bottom wall of the support cylinder is fixedly connected with multiple telescopic cylinders, the top ends of the multiple telescopic cylinders are fixedly connected with the same force-bearing plate, the surface of the telescopic cylinder is sleeved with a first spring, the lower surface of the force-bearing plate is fixedly connected with a pressure cylinder, and the bottom end of the pressure cylinder is fixedly connected with a pressing plate.

[0008] A second spring is sleeved on the surface of the pressure cylinder, and a pressure sensor is fixedly connected to the inner bottom wall of the support cylinder. The position of the pressure sensor corresponds to that of the pressing plate.

[0009] The inner wall of one of the support rings is rotatably connected to a left ring plate, the inner wall of the other support ring is rotatably connected to a right ring plate, and the upper surface of the operating table is fixedly connected to a first reduction motor.

[0010] A U-shaped plate is fixedly connected to the upper surface of the operating table, the output end of the first reduction motor passes through the surface of the U-shaped plate and is fixedly connected to the first bevel gear, the inner wall of the U-shaped plate is rotatably connected to the first linkage shaft, one end of the first linkage shaft is fixedly connected to the second bevel gear, and the first bevel gear is meshed with the second bevel gear.

[0011] The inner wall of the U-shaped plate is rotatably connected with a second linkage shaft, one end of the second linkage shaft is fixedly connected with a third bevel gear, and the first bevel gear is meshed with the third bevel gear.

[0012] The end of the first linkage shaft away from the second bevel gear is fixedly connected to the first gear, one side of the left ring plate is fixedly connected to the third hollow gear, the first gear is meshed with the third hollow gear, the end of the second linkage shaft away from the third bevel gear is fixedly connected to the second gear, one side of the right ring plate is fixedly connected to the fourth hollow gear, the second gear is meshed with the fourth hollow gear.

[0013] The top end of the sleeve is fixedly connected to a second reduction motor, the output end of the second reduction motor passes through the inner top wall of the sleeve and is fixedly connected to a one-way screw rod, the surface of the one-way screw rod is threadedly connected to a slide plate, and one side of the slide plate is slidably connected to the inner wall of the sleeve.

[0014] An electric telescopic rod is fixedly connected to the upper surface of the slide, the output end of the electric telescopic rod passes through the lower surface of the slide and is fixedly connected to a guide plate, a pair of C-shaped pressure plates are slidably connected to the inner wall of the guide plate, the inner walls of the pair of C-shaped pressure plates are threadedly connected to the same second positive and negative screw rod, and the surface of the second positive and negative screw rod is rotatably connected to the inner wall of the guide plate.

[0015] The inner walls of the left ring plate and the right ring plate are both threadedly connected with a threaded rod, and one end of the threaded rod is fixedly connected with a C-shaped clip.

[0016] In summary, the technical effects and advantages of the present invention are as follows:

[0017] 1. In the present invention, the lower surface of the C-shaped pressing plate is pressed on the surface of the bone tissue to test the structural strength of the bone tissue. The second forward and reverse screw rods can be rotated to adjust the distance between a pair of C-shaped pressing plates to change the contact position between the pair of C-shaped pressing plates and the bone tissue. The surface of the pressing plate presses the surface of the pressure sensor, and the pressure sensor senses the pressure to determine whether the bone tissue can withstand the pressure to meet the standard.

[0018] 2. In the present invention, when it is necessary to test the torque of the bone tissue, the third hollow gear drives the left ring plate to rotate under the action of the first gear, and the fourth hollow gear drives the right ring plate to rotate under the action of the second gear, thereby realizing the relative reversal of the left ring plate and the right ring plate, and testing the torque borne by the bone tissue clamped in the left ring plate and the right ring plate.

[0019] 3. In the present invention, when the lengths of bone tissues are different, the operator can rotate the hand crank to drive the first forward and reverse screws to rotate and adjust the distance between a pair of support tubes to adapt to the simulated detection of bone tissues of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0022] Figure 2 It is a schematic cross-sectional structural diagram of an operating table in an embodiment of the present invention;

[0023] Figure 3 For the embodiment of the present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the support cylinder in an embodiment of the present invention;

[0025] Figure 5 It is a schematic cross-sectional structural diagram of a support tube in an embodiment of the present invention;

[0026] Figure 6 Schematic diagram of the three-dimensional structure of the C-shaped pressing plate in an embodiment of the present invention;

[0027] Figure 7 Schematic diagram of the three-dimensional structure of the C-shaped clip in an embodiment of the present invention;

[0028] Figure 8Schematic diagram of the three-dimensional structure of the support ring in an embodiment of the present invention.

[0029] In the figure: 1, operating table; 2, protective cover; 3, controller; 4, hand crank; 5, slide; 6, sleeve; 7, one-way screw; 8, second reduction motor; 9, slide plate; 10, electric telescopic rod; 11, first positive and negative screw; 12, support cylinder; 13, guide plate; 14, left ring plate; 15, first reduction motor; 16, right ring plate; 17, U-shaped plate; 18, first bevel gear; 19, second bevel gear; 20, third hollow gear; 21, first gear; 22, first linkage shaft; 23, fourth hollow gear Heart gear; 24, second gear; 25, third bevel gear; 26, second linkage shaft; 27, second screw; 28, positioning cylinder; 29, slider; 30, fixing cylinder; 31, first screw; 32, C-shaped fixing plate; 33, screw; 34, force plate; 35, pressure cylinder; 36, telescopic cylinder; 37, first spring; 38, second spring; 39, pressure sensor; 40, C-shaped pressure plate; 41, second forward and reverse screw; 42, threaded rod; 43, pressing plate; 44, support ring; 45, C-shaped clamp. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example: Reference Figure 1-Figure 8 A bone tissue biomechanical state simulation device shown in the figure comprises an operating table 1, a protective cover 2 and a controller 3 are fixedly connected to the upper surface of the operating table 1, a sleeve 6 and a pair of support rings 44 are fixedly connected to the upper surface of the operating table 1, a slide groove 5 is opened on the upper surface of the operating table 1, a support cylinder 12 is slidably connected to the inner wall of the slide groove 5, and a mechanical simulation mechanism is rotatably connected to the inner wall of the slide groove 5;

[0032] The mechanical simulation mechanism includes a first forward and reverse screw rod 11 rotatably connected to the inner wall of the slide groove 5, one end of the first forward and reverse screw rod 11 is fixedly connected to the hand crank 4, the surface of the first forward and reverse screw rod 11 is threadedly connected to the inner wall of the support tube 12, the surface of the support tube 12 is fixedly connected to the positioning tube 28 and the fixing tube 30, the inner wall of the positioning tube 28 is rotatably connected to the second screw rod 27, the inner wall of the fixing tube 30 is rotatably connected to the first screw rod 31, the surface of the second screw rod 27 is threadedly connected to the slider 29, the surface of the slider 29 is slidably connected to the inner wall of the positioning tube 28, the surface of the first screw rod 31 is threadedly connected to the C-shaped fixing plate 32, the surface of the C-shaped fixing plate 32 is slidably connected to the inner wall of the fixing tube 30, and the second screw 27 and the inner wall of the C-shaped fixing plate 32 are threadedly connected with the same screw 33.

[0033] By means of the above structure, a pair of support rings 44 are provided to realize positioning support for the left ring plate 14 and the right ring plate 16. By providing a slide groove 5, a pair of support tubes 12 are given space to slide and avoid. By providing a hand crank 4, the operator rotates the hand crank 4 to drive the first forward and reverse screw rods 11 to rotate. By providing a positioning tube 28, the second screw rod 27 is installed. By providing a fixing tube 30, the first screw rod 31 is installed. By providing a C-shaped fixing plate 32, the C-shaped fixing plate 32 rotates to contact the slider 29 and is positioned by the screw 33. By providing the second screw rod 27, the height of the slider 29 is adjusted. By providing the first screw rod 31, the height of the C-shaped fixing plate 32 is adjusted.

[0034] As a preferred implementation scheme in this embodiment, the inner bottom wall of the support cylinder 12 is fixedly connected with multiple telescopic cylinders 36, the top ends of the multiple telescopic cylinders 36 are fixedly connected with the same force-bearing plate 34, the surface of the telescopic cylinders 36 is sleeved with a first spring 37, the lower surface of the force-bearing plate 34 is fixedly connected with a pressure cylinder 35, and the bottom end of the pressure cylinder 35 is fixedly connected with a pressing plate 43.

[0035] By providing the force-bearing plate 34 , the bone tissue placed above the force-bearing plate 34 is supported; by providing the pressing plate 43 , pressure is applied to the pressure sensor 39 ; and by providing the first spring 37 , buffering is performed.

[0036] In this embodiment, a second spring 38 is sleeved on the surface of the pressure cylinder 35 , and a pressure sensor 39 is fixedly connected to the inner bottom wall of the support cylinder 12 . The position of the pressure sensor 39 corresponds to that of the pressing plate 43 .

[0037] The pressure sensor 39 is provided to sense the pressure of the pressing plate 43 , and the second spring 38 is provided to provide a buffer when the pressing plate 43 presses the surface of the pressure sensor 39 .

[0038] As a preferred implementation in this embodiment, the inner wall of one support ring 44 is rotatably connected to the left ring plate 14, the inner wall of the other support ring 44 is rotatably connected to the right ring plate 16, and the upper surface of the operating table 1 is fixedly connected to the first reduction motor 15.

[0039] By providing the left ring plate 14 and the right ring plate 16 , the bone tissue is driven to perform a torsion simulation test, and by providing the first reduction motor 15 , the first bevel gear 18 is driven to rotate.

[0040] In this embodiment, a U-shaped plate 17 is fixedly connected to the upper surface of the operating table 1, the output end of the first reduction motor 15 passes through the surface of the U-shaped plate 17 and is fixedly connected to the first bevel gear 18, the inner wall of the U-shaped plate 17 is rotatably connected to the first linkage shaft 22, one end of the first linkage shaft 22 is fixedly connected to the second bevel gear 19, and the first bevel gear 18 is meshed with the second bevel gear 19.

[0041] By setting the U-shaped plate 17, the positioning and installation of the first linkage shaft 22 and the second linkage shaft 26 are kept stable. By setting the first bevel gear 18, the rotation of the first bevel gear 18 drives the second bevel gear 19 to rotate, the rotation of the second bevel gear 19 drives the first linkage shaft 22 to rotate, and the rotation of the first linkage shaft 22 drives the first gear 21 to rotate.

[0042] In this embodiment, the inner wall of the U-shaped plate 17 is rotatably connected to the second linkage shaft 26 , one end of the second linkage shaft 26 is fixedly connected to the third bevel gear 25 , and the first bevel gear 18 is meshed with the third bevel gear 25 .

[0043] By providing the third bevel gear 25 , the first bevel gear 18 rotates to drive the third bevel gear 25 to rotate, the third bevel gear 25 rotates to drive the second linkage shaft 26 to rotate, and the second linkage shaft 26 rotates to drive the second gear 24 to rotate.

[0044] In this embodiment, the end of the first linkage shaft 22 away from the second bevel gear 19 is fixedly connected to the first gear 21, the side of the left ring plate 14 is fixedly connected to the third hollow gear 20, the first gear 21 is meshed with the third hollow gear 20, the end of the second linkage shaft 26 away from the third bevel gear 25 is fixedly connected to the second gear 24, and the side of the right ring plate 16 is fixedly connected to the fourth hollow gear 23, and the second gear 24 is meshed with the fourth hollow gear 23.

[0045] By providing the third hollow gear 20 , the third hollow gear 20 drives the left ring plate 14 to rotate under the action of the first gear 21 , and the fourth hollow gear 23 drives the right ring plate 16 to rotate under the action of the second gear 24 .

[0046] As a preferred implementation manner in this embodiment, the top end of the sleeve 6 is fixedly connected to a second reduction motor 8, the output end of the second reduction motor 8 passes through the inner top wall of the sleeve 6 and is fixedly connected to a one-way screw rod 7, the surface of the one-way screw rod 7 is threadedly connected to a slide plate 9, and one side of the slide plate 9 is slidably connected to the inner wall of the sleeve 6.

[0047] By providing the second reduction motor 8, the output end of the second reduction motor 8 drives the one-way screw 7 to rotate, so that the height of the slide plate 9 and the electric telescopic rod 10 is increased to adjust the position.

[0048] In this embodiment, the upper surface of the slide plate 9 is fixedly connected to an electric telescopic rod 10, the output end of the electric telescopic rod 10 passes through the lower surface of the slide plate 9 and is fixedly connected to a guide plate 13, the inner wall of the guide plate 13 is slidably connected to a pair of C-shaped pressure plates 40, the inner walls of the pair of C-shaped pressure plates 40 are threadedly connected to the same second forward and reverse screw rod 41, and the surface of the second forward and reverse screw rod 41 is rotatably connected to the inner wall of the guide plate 13.

[0049] By setting the electric telescopic rod 10 and starting the electric telescopic rod 10, the height of the pair of C-shaped pressing plates 40 is driven to change. By setting the second forward and reverse screw rod 41, the operator rotates the second forward and reverse screw rod 41 to adjust the distance between the pair of C-shaped pressing plates 40 to control the position of the pair of C-shaped pressing plates 40 pressing the surface of the bone tissue.

[0050] In this embodiment, the inner walls of the left ring plate 14 and the right ring plate 16 are both threadedly connected with a threaded rod 42 , and one end of the threaded rod 42 is fixedly connected with a C-shaped clip 45 .

[0051] By setting the threaded rod 42, the operator rotates the threaded rod 42 to adjust the position of the C-shaped clamp 45. By setting the C-shaped clamp 45, the bone tissue is clamped and positioned to maintain the stability of the test.

[0052] The working principle of the present invention is: a bone tissue biomechanical state simulation device, during the simulation test, the bone tissue is placed on the force plate 34, the height of the C-shaped fixing plate 32 is adjusted by setting the first screw 31, and the height of the slider 29 is adjusted by setting the second screw 27, and the C-shaped fixing plate 32 is connected by the screw 33 to complete the positioning of the bone tissue. At this time, the electric telescopic rod 10 can be started to drive the guide plate 13 and a pair of C-shaped pressing plates 40 to descend, so that the lower surface of the C-shaped pressing plate 40 is pressed on the surface of the bone tissue to test the structure of the bone tissue. The second forward and reverse screw rod 41 can be rotated to adjust the distance between the pair of C-shaped pressing plates 40 to change the contact position between the pair of C-shaped pressing plates 40 and the bone tissue. When the upper side of the force-bearing plate 34 is subjected to pressure from the bone tissue, the force-bearing plate 34 and the pressure cylinder 35 are driven to drop as a whole, so that the surface of the pressing plate 43 presses the surface of the pressure sensor 39. The pressure sensor 39 senses the pressure to determine whether the bone tissue is subjected to the pressure standard. When the torsion of the bone tissue needs to be tested, the bone tissue is placed between the left ring plate 14 and the right ring plate 16. At this time, the operator rotates The threaded rod 42 is moved, and the rotation of the threaded rod 42 drives the C-shaped clamp 45 to approach, so as to clamp and position the bone tissue, and the first reduction motor 15 can be started, and the output end of the first reduction motor 15 drives the first bevel gear 18 to rotate, and the rotation of the first bevel gear 18 drives the second bevel gear 19 and the third bevel gear 25 to rotate together, and the rotation of the second bevel gear 19 drives the first linkage shaft 22 to rotate, and the rotation of the first linkage shaft 22 drives the first gear 21 to rotate, and the rotation of the third bevel gear 25 drives the second linkage shaft 26 to rotate, and the rotation of the second linkage shaft 26 drives the second gear 24 rotates, the third hollow gear 20 drives the left ring plate 14 to rotate under the action of the first gear 21, and the fourth hollow gear 23 drives the right ring plate 16 to rotate under the action of the second gear 24, so as to realize the relative reversal of the left ring plate 14 and the right ring plate 16, and test the torque borne by the bone tissue clamped in the left ring plate 14 and the right ring plate 16. When the lengths of the bone tissues are different, the operator can rotate the hand crank 4 to drive the first forward and reverse screw rod 11 to rotate, and adjust the distance between a pair of support cylinders 12. With the above structure, the biomechanical state of the bone tissue is simulated.

[0053] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone tissue biomechanical state simulation device, comprising an operating table (1), characterized in that: The upper surface of the operating table (1) is fixedly connected with a protective cover (2) and a controller (3), the upper surface of the operating table (1) is fixedly connected with a sleeve (6) and a pair of support rings (44), the upper surface of the operating table (1) is provided with a slide groove (5), the inner wall of the slide groove (5) is slidably connected with a support cylinder (12), and the inner wall of the slide groove (5) is rotatably connected with a mechanical simulation mechanism; The mechanical simulation mechanism comprises a first forward and reverse screw rod (11) rotatably connected to the inner wall of the slide groove (5), one end of the first forward and reverse screw rod (11) is fixedly connected to a hand crank (4), the surface of the first forward and reverse screw rod (11) is threadedly connected to the inner wall of the support tube (12), the surface of the support tube (12) is fixedly connected to a positioning tube (28) and a fixing tube (30), the inner wall of the positioning tube (28) is rotatably connected to a second screw rod (27), the inner wall of the fixing tube (30) is rotatably connected to a first screw rod (31), the surface of the second screw rod (27) is threadedly connected to a slider (29), the surface of the slider (29) is slidably connected to the inner wall of the positioning tube (28), the surface of the first screw rod (31) is threadedly connected to a C-shaped fixing plate (32), the surface of the C-shaped fixing plate (32) is slidably connected to the inner wall of the fixing tube (30), and the second screw rod (27) and the inner wall of the C-shaped fixing plate (32) are threadedly connected to the same screw (33).

2. A bone tissue biomechanical state simulation device according to claim 1, characterized in that: The inner bottom wall of the support tube (12) is fixedly connected to a plurality of telescopic tubes (36), the top ends of the plurality of telescopic tubes (36) are fixedly connected to the same force-bearing plate (34), the surface of the telescopic tube (36) is sleeved with a first spring (37), the lower surface of the force-bearing plate (34) is fixedly connected to a pressure tube (35), and the bottom end of the pressure tube (35) is fixedly connected to a pressing plate (43).

3. A bone tissue biomechanical state simulation device according to claim 2, characterized in that: A second spring (38) is sleeved on the surface of the pressure cylinder (35), and a pressure sensor (39) is fixedly connected to the inner bottom wall of the support cylinder (12), wherein the position of the pressure sensor (39) corresponds to that of the pressing plate (43).

4. A bone tissue biomechanical state simulation device according to claim 1, characterized in that: The inner wall of one of the support rings (44) is rotatably connected to a left ring plate (14), and the inner wall of the other support ring (44) is rotatably connected to a right ring plate (16). The upper surface of the operating table (1) is fixedly connected to a first reduction motor (15).

5. A bone tissue biomechanical state simulation device according to claim 4, characterized in that: A U-shaped plate (17) is fixedly connected to the upper surface of the operating table (1); the output end of the first reduction motor (15) passes through the surface of the U-shaped plate (17) and is fixedly connected to a first bevel gear (18); the inner wall of the U-shaped plate (17) is rotatably connected to a first linkage shaft (22); one end of the first linkage shaft (22) is fixedly connected to a second bevel gear (19); and the first bevel gear (18) is meshed with the second bevel gear (19).

6. A bone tissue biomechanical state simulation device according to claim 5, characterized in that: The inner wall of the U-shaped plate (17) is rotatably connected to a second linkage shaft (26), one end of the second linkage shaft (26) is fixedly connected to a third bevel gear (25), and the first bevel gear (18) is meshed with the third bevel gear (25).

7. A bone tissue biomechanical state simulation device according to claim 6, characterized in that: The end of the first linkage shaft (22) away from the second bevel gear (19) is fixedly connected to the first gear (21); one side of the left ring plate (14) is fixedly connected to the third hollow gear (20); the first gear (21) meshes with the third hollow gear (20); the end of the second linkage shaft (26) away from the third bevel gear (25) is fixedly connected to the second gear (24); one side of the right ring plate (16) is fixedly connected to the fourth hollow gear (23); the second gear (24) meshes with the fourth hollow gear (23).

8. The bone tissue biomechanical state simulation device according to claim 1, characterized in that: The top end of the sleeve (6) is fixedly connected to a second reduction motor (8), the output end of the second reduction motor (8) passes through the inner top wall of the sleeve (6) and is fixedly connected to a one-way screw rod (7), the surface of the one-way screw rod (7) is threadedly connected to a slide plate (9), and one side of the slide plate (9) is slidably connected to the inner wall of the sleeve (6).

9. A bone tissue biomechanical state simulation device according to claim 8, characterized in that: The upper surface of the slide plate (9) is fixedly connected to an electric telescopic rod (10); the output end of the electric telescopic rod (10) passes through the lower surface of the slide plate (9) and is fixedly connected to a guide plate (13); the inner wall of the guide plate (13) is slidably connected to a pair of C-shaped pressing plates (40); the inner walls of the pair of C-shaped pressing plates (40) are threadedly connected to the same second forward and reverse screw rod (41); the surface of the second forward and reverse screw rod (41) is rotatably connected to the inner wall of the guide plate (13).

10. The bone tissue biomechanical state simulation device according to claim 4, characterized in that: The inner walls of the left ring plate (14) and the right ring plate (16) are both threadedly connected with a threaded rod (42), and one end of the threaded rod (42) is fixedly connected with a C-shaped clamp (45).

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