CN210769982U - Disc type magnetorheological damper capable of changing damping force through manual adjustment - Google Patents
Disc type magnetorheological damper capable of changing damping force through manual adjustment Download PDFInfo
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- CN210769982U CN210769982U CN201920895727.9U CN201920895727U CN210769982U CN 210769982 U CN210769982 U CN 210769982U CN 201920895727 U CN201920895727 U CN 201920895727U CN 210769982 U CN210769982 U CN 210769982U
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- Prior art keywords
- cylinder body
- damping force
- conduction module
- inner cylinder
- magnetic conduction
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- 238000013016 damping Methods 0.000 title claims abstract description 61
- 230000005284 excitation Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a disc type magnetorheological damper capable of changing the damping force by manual adjustment, which comprises a cylinder body, a rotating shaft, an inertia block and a magnetic conduction module; the inertia block is arranged in the cylinder body in a step shape; the cylinder body is divided into an outer cylinder body and an inner cylinder body, a cavity is formed between the outer cylinder body and the inner cylinder body, and a rectangular opening is formed in the outer cylinder body to form a groove; the magnetic conduction module is positioned in the groove and can slide in the groove; first threaded holes are formed in two sides of the groove; a second threaded hole is formed in the magnetic conduction module; the first threaded hole and the second threaded hole are matched; when the damping force needs to be changed, the magnetic conduction module is moved, so that the damping force of the damper can be adjusted; the utility model discloses simple structure can change the damping force size of attenuator output through the position of manual regulation magnetic conduction module under the effect that does not change the electric current.
Description
Technical Field
The utility model relates to a magnetic current becomes attenuator, especially relates to a disc magnetic current becomes liquid attenuator and accessible manual regulation realizes the change of damping force.
Background
For the magneto-rheological damper generally existing in the current market, the change of the damping force is generally realized by changing the magnitude of the current; like the existing patents: a disc damper based on magnetorheological elastomer and magnetorheological fluid, publication No. CN106051025, publication No. 2016.10.26, applicant: the damper is a disc type damper, a damping component of the damper comprises a magnetorheological elastomer and magnetorheological fluid, and the damper has the characteristics of double damping, stable rotation and the like, but the output damping force can be changed only by changing current; a rotary magneto-rheological damper, publication No. CN 102297231A publication date: 2011.12.28 Chongqing instrument material research institute, the damper is also a disc type magneto-rheological damper, and the damper increases a damping gap, increases the output damping force, and improves the efficiency, but similarly, the output damping force can only be changed by changing the current.
Disclosure of Invention
Based on the above problem, the utility model provides a disc magneto rheological damper who changes damping force size through manual regulation, as disc magneto rheological damper equally, can be under the effect that does not change the electric current, the damping force size that the position through manual regulation magnetic conduction module changed the attenuator output.
The utility model discloses the technical scheme who adopts as follows:
a disc type magnetorheological damper capable of changing the damping force through manual adjustment comprises a cylinder body, a rotating shaft, an inertia block and a magnetic conduction module; the rotating shaft penetrates through the cylinder body and the inertia block; the inertia block is positioned in the cylinder body; the cylinder body is divided into an outer cylinder body and an inner cylinder body, and a cavity is formed between the outer cylinder body and the inner cylinder body; the inner cylinder body is provided with a liquid injection hole and an exhaust hole; the upper end of the outer cylinder body is provided with a rectangular opening; the rectangular opening and the cavity form a groove; two sides of the groove are respectively provided with a plurality of first threaded holes; the magnetic conduction module is positioned in the groove and can slide in the groove;
the magnetic conduction module is in an inverted T shape; the lower end of the magnetic conduction module is provided with a guide rail which is matched with the inner cylinder body; the upper end of the magnetic conduction module is provided with a manual handle which extends out of the outer cylinder body; one side of the manual handle is provided with two second threaded holes;
a gap is formed between the inertia block and the inner wall of the inner cylinder body, and the gap is a magneto-rheological damping gap; the side surface of the inner cylinder body is wound with an excitation coil; a magnetism resisting part is wound on the outer side of the excitation coil; the magnetic resistance component is a non-magnetic conducting component; the inner cylinder body is internally provided with a magnetic resistance ring.
The upper end of the outer cylinder body is provided with four rectangular openings, the four rectangular openings and the cavity form four grooves, and the four grooves are distributed in a cross shape by taking the rotating shaft as the center; a plurality of first threaded holes are formed in two sides of each groove respectively.
Two first threaded holes are arranged on two sides of each groove.
The inertia blocks are distributed in a step shape along the radial direction of a rotating shaft, and the magneto-rheological damping gap is gradually reduced.
The magnetic resistance rings are uniformly distributed in the inner cylinder body; the magnetic resistance ring comprises a first magnetic resistance band and a second magnetic resistance band; the first magnetic resistance tape and the second magnetic resistance tape are inserted into the inner cylinder body in four corresponding directions; the first magnetic resistance tape and the second magnetic resistance tape are arranged in parallel and distributed in a gradient manner.
The first magnetic resistance band and the second magnetic resistance band are arc-shaped, and the length of the first magnetic resistance band is larger than that of the second magnetic resistance band.
The first threaded hole is mutually matched with the second threaded hole.
When the damping force needs to be changed, the magnetic conduction module is moved manually through the manual handle, namely the magnetic conduction module moves relative to the radial direction of the rotating shaft, the effective length of the magnetorheological damping gap is changed through the movement of the magnetic conduction module, so that the damping force is changed, and at the moment, the second threaded holes in the magnetic conduction module are aligned with the first threaded holes in the two sides of the groove and are fixed through bolts.
Further, when the damping force of the disc type magnetorheological damper needs to be increased, the magnetic conduction module is moved away from the rotating shaft, and second threaded holes in the magnetic conduction module are aligned with the first threaded holes in the two sides of the groove and are fixed through bolts; when the damping force of the disc type magnetorheological damper needs to be reduced, the magnetic conduction module moves radially in the direction close to the rotating shaft, and the second threaded holes in the magnetic conduction module are aligned with the first threaded holes in the two sides of the groove and fixed through bolts.
The utility model relates to a change disc magneto rheological damper of damping force size through manual regulation, under the condition that does not change electric current size, through the manual regulation attenuator, realize the size of output damping force, increased damping channel effective clearance length simultaneously and reduced damping clearance distance. The inertia blocks are arranged in a step shape, the damping gap of the inertia blocks can be changed along with the movement of the magnetic conduction module, the damping gap far away from the rotation direction is gradually reduced, meanwhile, the magnetic resistance ring is added on the inner cylinder body and consists of two magnetic resistance belts, the two magnetic resistance belts are combined together to form sealing, the magnetorheological fluid in the damping gap can be prevented from flowing out, and meanwhile, the magnetic force lines are prevented from passing through.
Initially, fixing a second threaded hole and a first threaded hole in the magnetic conduction module by using a bolt; when the damping force is insufficient, the magnetic conduction module is manually moved to move in the direction away from the rotating shaft, the second threaded hole in the magnetic conduction module is aligned with the other group of first threaded holes and is fixed by the bolt, and at the moment, the effective length of the damping gap is increased, the damping gap is reduced, and the damping force provided by the damper is increased; when needing bigger damping force, move the magnetic conduction module toward keeping away from the rotation axis direction once more, make the second screw hole on the magnetic conduction module align with a set of first screw hole farther from the rotation axis, fix with the bolt, realize the increase of damping clearance effective length and the reduction in damping clearance once more this moment, make the damping force that the attenuator provided increase once more. Conversely, when the damping force needs to be reduced, the magnetic conduction module is moved towards the direction of the rotating shaft.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the magnetic conductive module of the present invention when not installed;
fig. 3 is a schematic structural diagram of a magnetic conduction module in the present invention;
FIG. 4 is a schematic structural view of the middle magnetism-resisting ring in the inner cylinder body;
fig. 5 is a schematic sectional structure of the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention.
Detailed Description
The technical solution of the present invention is described in detail below. The embodiment of the present invention is only provided for illustrating a specific structure, and the scale of the structure is not limited by the embodiment.
Referring to fig. 1 to 6, a disc type magnetorheological damper capable of changing the damping force by manual adjustment comprises a cylinder body 1, a rotating shaft 2, an inertia block 3 and a magnetic conduction module 4; the rotating shaft 2 passes through the cylinder body 1 and the inertia block 3; the inertia block 3 is positioned in the cylinder body 1; the cylinder body 1 is divided into an outer cylinder body 11 and an inner cylinder body 12, and a cavity 13 is formed between the outer cylinder body 11 and the inner cylinder body 12; the inner cylinder body 12 is provided with a liquid injection hole 14 and an exhaust hole 15; the upper end of the outer cylinder body 11 is provided with four rectangular openings; the four rectangular openings and the cavity 13 form four grooves; two sides of each groove are respectively provided with a plurality of first threaded holes 16; the grooves are distributed in a cross shape by taking the rotating shaft as the center; the magnetic conduction module 4 is positioned in the groove and can slide in the groove;
the magnetic conduction module 4 is in an inverted T shape; the lower end of the magnetic conduction module 4 is provided with a guide rail 41, and the guide rail 41 is matched with the inner cylinder body 12; the upper end of the magnetic conduction module 4 is provided with a manual handle 42, and the manual handle 42 extends out of the outer cylinder body 11; one side of the manual handle 42 is provided with two second threaded holes 43; the first threaded hole 16 and the second threaded hole 43 are mutually engaged.
A gap 31 is formed between the inertia block 3 and the inner wall of the inner cylinder body, and the gap is a magneto-rheological damping gap; the side surface of the inner cylinder body 12 is wound with an excitation coil 16; a magnetism-resisting part 17 is wound outside the exciting coil 16; a magnetic resistance ring 18 is arranged in the inner cylinder body 12.
The rotating shafts of the inertia blocks 3 are distributed in a step shape along the radial direction, and the magneto-rheological damping gap 31 is gradually reduced.
The magnetic resistance rings 18 are uniformly distributed in the inner cylinder body 12; the magnetic resistance ring 18 includes a first magnetic resistance band 181 and a second magnetic resistance band 182; the first magnetic resistance tape 181 and the second magnetic resistance tape 182 are arc-shaped, and the length of the first magnetic resistance tape is longer than that of the second magnetic resistance tape; a first magnetic resistance tape 181 and a second magnetic resistance tape 182 are inserted into the inner cylinder 12 in four corresponding directions; the first magnetic resistance tape 181 and the second magnetic resistance tape 182 are arranged in parallel and distributed in a gradient manner.
When the damping force needs to be changed, the magnetic conduction module is moved manually through the manual handle, namely the magnetic conduction module moves relative to the radial direction of the rotating shaft, the effective length of the magnetorheological damping gap is changed through the movement of the magnetic conduction module, so that the damping force is changed, and at the moment, the second threaded holes in the magnetic conduction module are aligned with the first threaded holes in the two sides of the groove and are fixed through bolts.
When the damping force of the disc type magnetorheological damper needs to be increased, the magnetic conduction module is moved away from the rotating shaft, and second threaded holes in the magnetic conduction module are aligned with first threaded holes in two sides of the groove and are fixed through bolts; when the damping force of the disc type magnetorheological damper needs to be reduced, the magnetic conduction module moves radially towards the direction of the rotating shaft, and the second threaded holes in the magnetic conduction module are aligned with the first threaded holes in the two sides of the groove and fixed through bolts.
Claims (7)
1. A disc type magnetorheological damper capable of changing the damping force through manual adjustment is characterized by comprising a cylinder body, a rotating shaft, an inertia block and a magnetic conduction module; the rotating shaft penetrates through the cylinder body and the inertia block; the inertia block is positioned in the cylinder body; the cylinder body is divided into an outer cylinder body and an inner cylinder body, and a cavity is formed between the outer cylinder body and the inner cylinder body; the inner cylinder body is provided with a liquid injection hole and an exhaust hole; the upper end of the outer cylinder body is provided with a rectangular opening; the rectangular opening and the cavity form a groove; two sides of the groove are respectively provided with a plurality of first threaded holes; the magnetic conduction module is positioned in the groove and can slide in the groove;
the magnetic conduction module is in an inverted T shape; the lower end of the magnetic conduction module is provided with a guide rail which is matched with the inner cylinder body; the upper end of the magnetic conduction module is provided with a manual handle which extends out of the outer cylinder body; one side of the manual handle is provided with two second threaded holes;
a gap is formed between the inertia block and the inner wall of the inner cylinder body, and the gap is a magneto-rheological damping gap; the side surface of the inner cylinder body is wound with an excitation coil; a magnetism resisting part is wound on the outer side of the excitation coil; the inner cylinder body is internally provided with a magnetic resistance ring.
2. The disc type magnetorheological damper with the damping force changed through manual adjustment according to claim 1, wherein the upper end of the outer cylinder body is provided with four rectangular openings, the four rectangular openings and the cavity form four grooves, and the four grooves are distributed in a cross shape by taking the rotating shaft as a center; a plurality of first threaded holes are formed in two sides of each groove respectively.
3. A disc magnetorheological damper with manually adjusted damping force in accordance with claim 1 or 2 wherein each recess has at least two first threaded holes on each side.
4. The disc-type magnetorheological damper with the damping force changed through manual adjustment according to claim 1, wherein the inertia blocks have rotating shafts which are distributed in a step shape in the radial direction, and the magnetorheological damping gap is gradually reduced.
5. The disc type magnetorheological damper for changing the damping force through manual adjustment according to claim 1, wherein the damping rings are uniformly distributed in the inner cylinder body; the magnetic resistance ring comprises a first magnetic resistance band and a second magnetic resistance band; the first magnetic resistance tape and the second magnetic resistance tape are inserted into the inner cylinder body in four corresponding directions; the first magnetic resistance tape and the second magnetic resistance tape are arranged in parallel and distributed in a gradient manner.
6. The disc magnetorheological damper with the manually adjusted damping force of claim 5, wherein the first and second damping strips are arcuate and the first damping strip length is greater than the second damping strip length.
7. The disc magnetorheological damper with the manually adjusted damping force of claim 1, wherein the first threaded hole is engaged with the second threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895727.9U CN210769982U (en) | 2019-06-14 | 2019-06-14 | Disc type magnetorheological damper capable of changing damping force through manual adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895727.9U CN210769982U (en) | 2019-06-14 | 2019-06-14 | Disc type magnetorheological damper capable of changing damping force through manual adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769982U true CN210769982U (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920895727.9U Withdrawn - After Issue CN210769982U (en) | 2019-06-14 | 2019-06-14 | Disc type magnetorheological damper capable of changing damping force through manual adjustment |
Country Status (1)
| Country | Link |
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| CN (1) | CN210769982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273962A (en) * | 2019-06-14 | 2019-09-24 | 嘉兴学院 | A kind of disc type MR damper changing damping force size by manually adjusting |
| CN112483583A (en) * | 2020-11-21 | 2021-03-12 | 嘉兴学院 | Temperature-controllable magnetorheological damper and control method thereof |
-
2019
- 2019-06-14 CN CN201920895727.9U patent/CN210769982U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273962A (en) * | 2019-06-14 | 2019-09-24 | 嘉兴学院 | A kind of disc type MR damper changing damping force size by manually adjusting |
| CN110273962B (en) * | 2019-06-14 | 2024-02-02 | 嘉兴学院 | Disk type magneto-rheological damper capable of changing damping force through manual adjustment |
| CN112483583A (en) * | 2020-11-21 | 2021-03-12 | 嘉兴学院 | Temperature-controllable magnetorheological damper and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240202 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240202 |