Multi-coil magnetorheological damper

Abstract

The utility model relates to the field of magneto-rheological dampers, and discloses a multi-coil magneto-rheological damper which comprises a dust cover, one side of the dust cover is detachably arranged on a cylinder barrel, multiple sets of coils are installed in the cylinder barrel, multiple sets of magnet vanes are arranged between the multiple sets of coils, and multiple sets of magnet vanes are arranged between the multiple sets of coils. A plurality of damping channels are installed in the cylinder barrel, a plurality of sets of damping channels are arranged on one side of the magnetism isolating plate, a left end cover is installed between the dustproof cover and the cylinder barrel, a right end cover is installed on the other side of the cylinder barrel, and a first O-shaped sealing ring is installed on the surface of the right end cover. Through the arrangement of the damping channels and the coils, the damping force during triggering can be conveniently increased through the multiple sets of damping channels arranged through the design, so that the damping effect is improved, grading adjustment is achieved through the multiple sets of coils according to requirements, the reliability of the damping capacity is further improved, and good use prospects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetorheological damper field, concretely to a kind of multi-coil magnetorheological damper. BACKGROUND

[0002] Magnetorheological damper is to provide the device of the resistance of movement, the device of the energy of movement, damper is only a component, use in different places or different working environment has different damping effect, in aerospace, aviation, military industry, gun, automobile and other industries, early application various dampers or shock absorbers to reduce vibration and energy, make the various friction and other hindering effect of free vibration attenuation, called damping, and the device of the resistance of movement, the energy of movement, device that can be provided in structure system, called damper, since the 1970s, people gradually transfer these technologies to building, bridge, railway and other structural engineering, its development is very rapid, especially the hydraulic viscous damper of more than fifty years history, before being accepted by structural engineering, it has experienced a long process of a large number of experiments, strict examination, repeated demonstration, especially seismic test.

[0003] But it still has some shortcomings, for example: the single coil capacity of general magnetorheological damper is limited, and the damping channel set is too few, not conducive to further improve damping effect.

[0004] To solve the above problems, a multi-coil magnetorheological damper is proposed in the present application. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of multi-coil magnetorheological damper to solve the problem that the single coil capacity of general magnetorheological damper is limited in the above background art, and the damping channel set is too few, not conducive to further improve damping effect.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of multi-coil magnetorheological damper, including dust cover, the dust cover side can be detached from cylinder, the coil is installed in the cylinder, and the coil is provided with multiple groups, multiple groups of the coil are separated by magnetic plate, the magnetic plate is provided with multiple groups, the damping channel is installed in the cylinder, the damping channel, coil, it is convenient to increase the damping force when triggering by the multiple damping channels designed to set, so as to improve damping effect, and multiple coils are set to realize grading regulation according to demand, further improve the reliability of damping capacity, have good use prospect.

[0007] Preferably, the side of the magnetic plate is provided with a damping channel, and the damping channel is provided with multiple groups, and the left end cover is installed between the dust cover and the cylinder.

[0008] Preferably, the other side of the cylinder is provided with a right end cover, the surface of the right end cover is provided with a first O-shaped sealing ring, the surface of the cylinder is provided with a supporting spring, and the lower portion of the cylinder is fixedly connected to a spring placing disc.

[0009] Preferably, the lower portion of the spring placing disc is fixedly connected to a connecting piece, and the inside of the cylinder is provided with a piston shaft.

[0010] Preferably, the surface of one side of the piston shaft is provided with a dustproof ring, the surface of one side of the piston shaft is provided with a guide ring, and the surface of one side of the piston shaft is provided with a stator seal.

[0011] Preferably, the second O-shaped sealing ring is arranged between the dust cover and the cylinder, an oil inlet is arranged between the dust cover and the cylinder, the inside of the piston shaft is provided with a lead wire channel, compared with a conventional magnetorheological damper, the multi-coil damper of the magnetorheological damper is a key point in structural design, based on the design of the original basic damper, the original single coil is redesigned into five smaller coil combinations by additionally subdividing the coil area, through the design, the damping channel of the new magnetorheological damper is increased from two to six, more damping channels can greatly increase the damping force when triggered, at the same time, since each coil has an independent control line, the damping force can be graded according to different damping requirements by exciting different numbers of coils.

[0012] Compared with the prior art, the magnetorheological damper has the advantages that:

[0013] The damper channel and the coil are arranged, the damping force of the multi-coil damper channel arranged through the design is increased when triggered, so that the damping effect is improved, the multi-coil damper is arranged to realize grading according to requirements, the reliability of the damping capacity is further improved, and the magnetorheological damper has good application prospects. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the magnetorheological damper with multiple coils.

[0015] Figure 2 It is an internal structure schematic view of the magnetorheological damper with multiple coils.

[0016] Figure 3 It is a cylinder upper end structure schematic view of the magnetorheological damper with multiple coils.

[0017] Figure 4 It is a cylinder lower end structure schematic view of the magnetorheological damper with multiple coils.

[0018] In the figure: 1, dust cover; 2, dust ring; 3, guide ring; 4, stator seal; 5, left end cover; 6, damping channel; 7, piston shaft; 8, right end cover; 9, lead channel; 10, connecting piece; 11, first O-shaped sealing ring; 12, cylinder barrel; 13, coil; 14, magnetic separation plate; 15, supporting spring; 16, second O-shaped sealing ring; 17, oil inlet; 18, spring placing disc. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Please refer to Figures 1-4 A multi-coil magneto-rheological damper, comprising a dust cover 1, characterized in that: the dust cover 1 is detachable on one side of a cylinder barrel 12, the cylinder barrel 12 is internally provided with coils 13, and the coils 13 are provided in multiple groups, the magnetic separation plates 14 are provided in multiple groups between the multiple groups of coils 13, the cylinder barrel 12 is internally provided with damping channels 6, and the damping channels 6 and the coils 13 are convenient for increasing the damping force when triggered by the multiple groups of damping channels 6 arranged by the design, thereby improving the damping effect, and the multiple groups of coils 13 arranged are used for realizing graded adjustment according to requirements, further improving the reliability of damping capacity, and having a good use prospect.

[0021] As shown in the embodiment, Figures 2-4 the magnetic separation plates 14 are provided with damping channels 6 on one side, the left end cover 5 is arranged between the dust cover 1 and the cylinder barrel 12, the right end cover 8 is arranged on the other side of the cylinder barrel 12, the first O-shaped sealing ring 11 is arranged on the surface of the right end cover 8, the supporting spring 15 is arranged on the surface of the cylinder barrel 12, the spring placing disc 18 is fixedly connected below the cylinder barrel 12, the connecting piece 10 is fixedly connected below the spring placing disc 18, the piston shaft 7 is internally arranged in the cylinder barrel 12, the dust ring 2 is arranged on one side surface of the piston shaft 7, the guide ring 3 is arranged on one side surface of the piston shaft 7, the stator seal 4 is arranged on one side surface of the piston shaft 7, the second O-shaped sealing ring 16 is arranged between the dust cover 1 and the cylinder barrel 12, the oil inlet 17 is arranged between the dust cover 1 and the cylinder barrel 12, and the lead channel 9 is internally arranged in the piston shaft 7. Compared with the traditional magneto-rheological damper, the multi-coil damper of the device is the key point of structural design, based on the design of the original basic damper, the original single coil is redesigned into five smaller coils 13 in combination by additionally subdividing the coil area. Through the design, the damping channels 6 of the new magneto-rheological damper are increased from two to six, and more damping channels 6 can greatly increase the damping force when triggered. At the same time, since each coil 13 has an independent control line, different numbers of coils 13 can be excited to realize graded adjustment of the damping force according to different damping requirements.

[0022] Working principle

[0023] The damping channel 6 and the coil 13 of the multi-coil magneto-rheological damper are convenient for increasing the damping force when triggered by the multiple groups of damping channels 6 arranged by the design, thereby improving the damping effect, and the multiple groups of coils 13 arranged achieve graded adjustment according to requirements, thereby further improving the reliability of the damping capacity, and have good use prospects. Compared with the traditional magneto-rheological damper, the multi-coil damper of the present magneto-rheological damper is the key to the structural design, based on the design of the original basic damper, the coil area is additionally subdivided, and the original single coil is redesigned into five smaller coils 13 in combination. Through the design, the damping channel 6 of the new magneto-rheological damper is increased from two to six, and more damping channels 6 can greatly increase the damping force when triggered. At the same time, since each coil 13 has an independent control line, different numbers of coils 13 can be excited to achieve graded adjustment of the damping force according to different damping requirements.

[0024] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A multi-coil magnetorheological damper comprising a dust shield (1), characterized in that: The dust cover (1) is detachable on one side of the cylinder barrel (12), the coil (13) is installed inside the cylinder barrel (12), the coil (13) is provided with multiple groups, the multiple groups of the coil (13) are separated by the magnetic plate (14), the magnetic plate (14) is provided with multiple groups, the damping channel (6) is installed inside the cylinder barrel (12).

2. The multi-coil magnetorheological damper of claim 1, wherein: The damping channel (6) is arranged on one side of the magnetic plate (14), and the damping channel (6) is provided with multiple groups.

3. The multi-coil magnetorheological damper of claim 2, wherein: The cylinder barrel (12) is provided with the right end cover (8) on the other side, the first O-shaped sealing ring (11) is arranged on the surface of the right end cover (8), the cylinder barrel (12) is provided with the supporting spring (15), and the cylinder barrel (12) is fixedly connected to the spring placing disc (18) below.

4. The multi-coil magnetorheological damper of claim 3, wherein: The spring placing disc (18) is fixedly connected to the connecting piece (10) below, and the cylinder barrel (12) is provided with the piston shaft (7) inside.

5. The multi-coil magnetorheological damper of claim 4, wherein: The dustproof ring (2) is arranged on one side of the piston shaft (7), the guide ring (3) is arranged on one side of the piston shaft (7), and the stator seal (4) is arranged on one side of the piston shaft (7).

6. A multi-coil magnetorheological damper according to claim 5, wherein: The second O-shaped sealing ring (16) is arranged between the dust cover (1) and the cylinder barrel (12), the oil inlet (17) is arranged between the dust cover (1) and the cylinder barrel (12), and the lead channel (9) is arranged inside the piston shaft (7).

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