Turtle spine imitating fluid damping device

Abstract

The utility model discloses a fluid damping device imitating a turtle spine, and relates to the field of bionics application, in particular to the fluid damping device imitating the turtle spine, which comprises a fluid damping joint, the fluid damping joint comprises a joint I and a joint II, and a connecting assembly is arranged between the joint I and the joint II. The connecting assembly comprises an installation cup installed on the first joint, an opening of the installation cup faces the side where the second joint is located, a flexible connecting piece is arranged in the installation cup, the second joint is provided with a pressing plate matched with the flexible connecting piece, the flexible connecting piece comprises a damping plate, and the damping plate is connected with the flexible connecting piece. The problems that when an existing robot executes tasks, part of joints on the robot can move, impact force can be generated in the moving process, the impact force can cause abrasion of the joint portions, the service life of parts on the robot can be shortened, heat can be generated in the abrasion process, and damage to the parts of the robot can be aggravated by the heat are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bionics application, concretely is a fluid shock absorber of imitating turtle spine. BACKGROUND

[0002] Bionics is an old and young discipline, people study the principle of structure and function of organism, and according to these principles, new equipment, tools and technology are invented, and advanced technology suitable for production, learning and life is created.

[0003] Robot is a kind of intelligent machine capable of semi-autonomous or fully autonomous work. Robot can execute tasks such as work or movement through programming and automatic control.

[0004] The existing robot executes the task, and part of joint on it will move, impact force is generated in the process of movement, which will cause the wear of joint part, which will reduce the service life of parts on the robot, and heat is generated when wearing, which will aggravate the damage of robot parts.

[0005] Therefore, a new type of fluid shock absorber of imitating turtle spine is needed to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of fluid shock absorber of imitating turtle spine to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of fluid shock absorber of imitating turtle spine, including fluid shock absorber joint, the fluid shock absorber joint includes joint one and joint two, connecting assembly is equipped between the joint and joint two, the connecting assembly includes the installation cup installed on joint one, the installation cup opening is towards the side where joint two is located, the inside of the installation cup is equipped with flexible connecting piece, the joint two is equipped with the pressure plate matched with flexible connecting piece, the flexible connecting piece includes damping plate, the inside of the damping plate is equipped with the cavity filled with damping fluid, when damping plate is pressed by pressure plate, fluid flows in cavity and generates damping.

[0008] Preferably, the installation cup and pressure plate are respectively provided with a jack, and the joint one is provided with a mounting shaft for connecting the joint one and the joint two.

[0009] Preferably, the thickness of the middle part of the damping plate is lower than that of both ends.

[0010] Preferably, the pressure plate includes a main body part and a moving part, the moving part is sleeved on one side of the main body part, the main body part is provided with a screw rod, and the moving part is provided with a sleeve matched with the screw rod.

[0011] Preferably, the main body part is provided with a guide groove, and the moving part is provided with a guide rod matched with the guide groove.

[0012] Preferably, the robot further comprises a plurality of rigid units connected in sequence, and the rigid units are connected through fluid damping joints.

[0013] Compared with the prior art, the robot has the following beneficial effects:

[0014] In the robot, the fluid damping joint generates damping, the damping plate is filled with fluid, the rigid unit subjected to impact can disperse the impact force into the fluid in the damping plate, the tortoise spine fluid damping system simulates the tortoise spine structure, absorbs and disperses impact energy by using the fluid damping principle, improves the environmental adaptability and damping effect of the robot by referring to the motion and damping mechanism of organisms, and optimizes the damping system design by combining bionics, material science and control theory. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the robot.

[0016] Figure 2 It is a front view of the robot.

[0017] Figure 3 It is a sectional view of A-A in the robot. Figure 2

[0018] Figure 4 It is an enlarged view of A in the robot. Figure 3

[0019] Figure 5 It is a structure schematic view of the robot.

[0020] In the drawing: 1, joint one; 2, joint two; 3, mounting cup; 4, damping plate; 5, insertion hole; 6, mounting shaft; 7, main body part; 8, moving part; 9, screw rod; 10, sleeve; 11, guide groove; 12, guide rod; 13, rigid unit. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the robot will be clearly and completely described below with reference to the drawings in the embodiments of the robot. Obviously, the described embodiments are only part of the embodiments of the robot, rather than all the embodiments. Based on the embodiments of the robot, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the robot.

[0022] All electronic elements in the application are controlled by an external controller.

[0023] ​​Embodiment one

[0024] Please refer to Figures 1-4 The utility model provides a kind of fluid shock absorber of imitating turtle spine, including fluid shock absorber joint, the fluid shock absorber joint includes joint one 1 and joint two 2, connecting assembly is equipped between the joint and joint two 2, the connecting assembly includes the installation cup 3 being installed on joint one 1, the installation cup 3 opening is towards the side where joint two 2 is located, the inside of the installation cup 3 is equipped with flexible connecting piece, the joint two 2 is equipped with the pressing plate matched with flexible connecting piece, the flexible connecting piece includes damping plate 4, the inside of the damping plate 4 is equipped with the cavity filled with damping fluid, when damping plate 4 is pressed by pressing plate pressure, fluid flows in cavity and generates damping;The insertion hole 5 is respectively equipped on installation cup 3 and pressing plate, the installation shaft 6 for connecting joint one 1 and joint two 2 is equipped on joint one 1;The thickness of the middle part of damping plate 4 is lower than both ends.

[0025] Joint one 1 and joint two 2 are made of rigid material, preferably made of carbon fiber, installation cup 3 is integrally formed on the side of joint one 1, pressing plate is integrally formed with joint two 2, pressing plate can be inserted into installation cup 3, flexible connecting piece is mainly damping plate 4, damping plate 4 is made of elastic material, preferably made of rubber material, cavity is opened in the inside of damping plate 4, cavity is filled with fluid with certain viscosity, the fluid is preferably magnetic fluid, insertion hole 5 is respectively opened in installation cup 3 and pressing plate, installation shaft 6 is inserted into insertion hole 5 to connect joint one 1 and joint two 2 together, when impacted, joint one 1 and joint two 2 will transmit force to flexible connecting piece, fluid flows in cavity and generates damping, absorbs energy, liquid flow path and damping characteristics can be adjusted by cavity shape and liquid viscosity, optimize damping effect, impact energy is converted into heat energy through liquid flow, gradually dissipates, avoids structure damage.

[0026] Specifically, the pressing plate includes a main body portion 7 and a moving portion 8, the moving portion 8 is sleeved on one side of the main body portion 7, the main body portion 7 is provided with a screw rod 9, and the moving portion 8 is provided with a sleeve 10 matched with the screw rod 9; The main body portion 7 is provided with a guide groove 11, and the moving portion 8 is provided with a guide rod 12 matched with the guide groove 11; The moving portion 8 can move relative to the main body portion 7, the screw rod 9 is rotatably connected to the main body portion 7, the sleeve 10 is fixedly connected to the moving portion 8, one end of the screw rod 9 is screwed with the sleeve 10, and the screw rod 9 can drive the moving portion 8 to move a certain distance through the sleeve 10, facilitating the placement of the damping plate 4, and the guide rod 12 and the guide groove 11 can guide the movement of the moving portion 8.

[0027] More specifically, the fluid shock absorbing device simulating the turtle spine further comprises a plurality of rigid units 13 connected in sequence, the rigid units 13 are connected by fluid shock absorbing joints, the rigid units 13 are made of high-strength light material, preferably aluminum alloy, the joint one 1 and the joint two 2 are respectively installed on the opposite sides of the rigid unit 13, the rigid unit 13 simulates the vertebra of the turtle, the fluid shock absorbing joint simulates the intervertebral disc of the turtle, the plurality of rigid units 13 are connected into the structure of the turtle spine, when impacted, the impact force will be absorbed by the fluid in the damping plate 4.

[0028] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fluid shock absorbing device emulating a turtle spine, characterized by, The application relates to a fluid damping joint, which comprises a joint one (1) and a joint two (2), and a connecting assembly is arranged between the joint one (1) and the joint two (2). The connecting assembly comprises a mounting cup (3) arranged on the joint one (1), the mounting cup (3) is arranged with an opening facing a side where the joint two (2) is arranged, and a flexible connecting piece is arranged in the mounting cup (3); a pressing plate is arranged on the joint two (2) and matched with the flexible connecting piece. The flexible connecting piece comprises a damping plate (4), a cavity filled with damping fluid is arranged in the damping plate (4), and the fluid flows in the cavity to generate damping when the damping plate (4) is pressed by the pressing plate.

2. A fluid shock-absorbing device emulating a tortoise spine according to claim 1, characterized in that: Holes (5) are arranged on the mounting cup (3) and the pressing plate respectively, and a mounting shaft (6) for connecting the joint one (1) and the joint two (2) is arranged on the joint one (1).

3. A fluid shock-absorbing device emulating a tortoise spine according to claim 2, characterized in that: The thickness of the middle part of the damping plate (4) is lower than that of the two ends.

4. A fluid shock-absorbing device emulating a tortoise spine according to claim 3, characterized in that: The pressing plate comprises a main body part (7) and a moving part (8), the moving part (8) is sleeved on one side of the main body part (7), a screw rod (9) is arranged on the main body part (7), and a sleeve (10) matched with the screw rod (9) is arranged on the moving part (8).

5. A fluid shock-absorbing device emulating a tortoise spine according to claim 4, characterized in that: A guide groove (11) is arranged on the main body part (7), and a guide rod (12) matched with the guide groove (11) is arranged on the moving part (8).

6. A fluid shock-absorbing device emulating a tortoise spine according to claim 5, characterized in that: A plurality of rigid units (13) are sequentially connected, and the rigid units (13) are connected through the fluid damping joint.

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