CN112223269A

CN112223269A - Electric control spring artificial muscle device

Info

Publication number: CN112223269A
Application number: CN202011082829.2A
Authority: CN
Inventors: 方泰然; 方程
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-15

Abstract

The invention discloses an electric control spring artificial muscle device, which comprises an artificial muscle, a spring and a controllable length unit, wherein the artificial muscle is connected with the spring through a connecting rod; the artificial muscle is of a cylindrical telescopic structure; the spring is an extension spring and is axially installed in the artificial muscle; and two ends of the plurality of length-controllable units are fixedly connected to any two spring rings of the spring. The artificial muscle device has the beneficial effects that firstly, the spring is deformed through the deformation of the length-controllable unit, so that the deformation and the bending of different parts of the whole artificial muscle are controlled; secondly, the artificial muscle device of the invention adjusts the speed and the range of the deformation of the whole artificial muscle by increasing the number and the length of the variable length units, and compared with the traditional pneumatic and hydraulic modes, the artificial muscle device of the invention obviously reduces the manufacturing cost.

Description

Electric control spring artificial muscle device

Technical Field

The invention relates to the technical field of artificial muscles, in particular to an electric control spring artificial muscle device.

Background

At present, the motion situation is met in various fields of social production, and the realization of regular motion is completed through different power elements. General power components include electric motors, pneumatic motors, hydraulic cylinders, etc., and all of these components are relatively expensive and are greatly affected by the volume of the space used.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an electric control spring artificial muscle device which replaces the existing driving mode of a motor and hydraulic driving, reduces the unit cost and realizes simple and feasible artificial muscle.

2. Technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an electrically controlled spring artificial muscle device comprises an artificial muscle, a spring and a controllable length unit; the artificial muscle is of a cylindrical telescopic structure; the spring is an extension spring and is axially installed in the artificial muscle; and two ends of the plurality of length-controllable units are fixedly connected to any two spring rings of the spring.

The electrically controlled spring artificial muscle device as described above, wherein the controllable length unit comprises, but is not limited to, one or more of an electromagnet, a micro-motor or a temperature-variable material.

The electrically controlled spring artificial muscle device is characterized in that the artificial muscle is a tubular structure made of natural rubber.

The electric control spring artificial muscle device also comprises a fixing wire group; the coil of each spring is provided with one fixed wire group; each fixing wire group comprises fixing wires which are uniformly arranged along the circumferential direction; and two ends of each fixing wire are respectively connected with the spring and the inner wall of the artificial muscle.

The electrically controlled spring artificial muscle device as described above, wherein each of the fixing wire groups comprises 3 fixing wires.

In the above electrically controlled spring artificial muscle device, one or more of the controllable length units are connected between the two spring coils.

In the above electrically controlled spring artificial muscle device, a plurality of the controllable length units between two of the spring coils are connected in parallel or in series in one or more ways.

3. Advantageous effects

In conclusion, the beneficial effects of the invention are as follows:

(1) the artificial muscle device of the invention enables the spring to deform through the deformation of the length-controllable unit, thereby controlling the deformation and the bending of different parts of the whole artificial muscle;

(2) the artificial muscle device of the invention adjusts the speed and the range of the deformation of the whole artificial muscle by increasing the number and the length of the variable-length units, and compared with the traditional pneumatic and hydraulic modes, the artificial muscle device has the advantages that the manufacturing cost is obviously reduced.

Drawings

Fig. 1 is a schematic structural diagram of the electrically controlled spring artificial muscle device of the invention.

In the figure, 1-artificial muscle; 2-a spring; 3-a controllable length unit; 4-fixing the silk group; 5-fixing the silk; .

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.

Referring to fig. 1, the present invention provides a technical solution: an electric control spring artificial muscle device comprises an artificial muscle 1, a spring 2 and a controllable length unit 3; the artificial muscle 1 is of a cylindrical telescopic structure; the spring 2 is an extension spring and is axially installed in the artificial muscle 1; two ends of the plurality of length-controllable units 3 are fixedly connected to any two spring rings of the spring 2.

The controllable length unit 3 comprises but is not limited to one or more of an electromagnet, a micro motor or a temperature-change material, and the length of the controllable length unit 3 is controlled to change through external power supply, so that the extension and the bending of the spring 2 are controlled, and the extension and the bending of the whole artificial muscle 1 are further realized.

The artificial muscle 1 has a cylindrical structure made of natural rubber, and can be expanded and contracted with the expansion and contraction of the spring 2.

In order to ensure that the whole artificial muscle has certain rigidity and limit the position of the whole spring 2, the artificial muscle further comprises a fixed wire group 4; the coil of each spring 2 is provided with one fixed wire group 4; each of the fixing wire groups 4 includes 3 fixing wires 5 uniformly arranged in the circumferential direction; and two ends of each fixing wire 5 are respectively connected with the spring 2 and the inner wall of the artificial muscle 1.

Referring to fig. 1, one or more of the controllable length units 3 are connected between two of the coils. Preferably, a plurality of the controllable length units 3 between the two spring coils are connected in parallel or in series in one or more ways, so as to improve the deformation length and the bending range between the two spring coils at the connecting position and improve the flexibility.

When in use, the controllable length unit 3 is added in the middle of the spring 2 at intervals and is fixed on the spring 2. The length-controllable element 3 is deformed (in the energized state) so that the spring 2 is also deformed. The whole length of the spring 2 is controlled by finely controlling the deformation of the variable-length unit 3 at different positions, so that the length of the artificial muscle 1 is controlled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electrically controlled spring artificial muscle device, characterized in that: comprises an artificial muscle (1), a spring (2) and a controllable length unit (3); the artificial muscle (1) is of a cylindrical telescopic structure; the spring (2) is an extension spring and is axially installed in the artificial muscle (1); two ends of the plurality of length-controllable units (3) are fixedly connected to any two spring rings of the spring (2).

2. An electrically controlled spring artificial muscle device according to claim 1, wherein: the controllable length unit (3) includes but is not limited to one or more of an electromagnet, a micro motor or a temperature-change material.

3. An electrically controlled spring artificial muscle device according to claim 1, wherein: the artificial meat (1) is a cylindrical structure made of natural rubber.

4. An electrically controlled spring artificial muscle device according to claim 1, wherein: the device also comprises a fixed wire group (4); the coil of each spring (2) is provided with one fixed wire group (4); each fixing wire group (4) comprises fixing wires (5) which are uniformly arranged along the circumferential direction; and two ends of each fixing wire (5) are respectively connected with the spring (1) and the inner wall of the artificial muscle (1).

5. An electrically controlled spring artificial muscle device according to claim 4, wherein: each of the fixing wire groups (4) includes 3 fixing wires (5).

6. An electrically controlled spring artificial muscle device according to claim 1, wherein: one or a plurality of the controllable length units (3) are connected between the two spring coils.

7. An electrically controlled spring artificial muscle device according to claim 1, wherein: a plurality of the controllable length units (3) between the two spring coils are connected in parallel or in series in one or more ways.