CN212529604U - Hydraulic magnetorheological composite brake structure for vehicle - Google Patents
Hydraulic magnetorheological composite brake structure for vehicle Download PDFInfo
- Publication number
- CN212529604U CN212529604U CN202021421744.8U CN202021421744U CN212529604U CN 212529604 U CN212529604 U CN 212529604U CN 202021421744 U CN202021421744 U CN 202021421744U CN 212529604 U CN212529604 U CN 212529604U
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- brake
- shell
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- bearing
- hole
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- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 239000000725 suspension Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 15
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a belong to magnetic current becomes stopper technical field, specifically be a vehicle hydraulic pressure magnetic current becomes composite brake structure, including the casing, the casing quantity be two, two the casing position left and right sides correspond, the casing middle part has seted up the dead eye, install the bearing in the dead eye, the left and right sides install the main shaft between the bearing, the main shaft mid-mounting has the brake shell, the brake shell is located between the casing of left and right sides, the casing outward flange has seted up the counter bore, the brake shell outward flange has seted up first screw hole, the counter bore corresponds with first screw hole position left and right sides, place first bolt in the counter bore, electric current passes through the coil, makes the coil produce magnetic force, and magnetic current becomes great moment of resistance under the effect of high magnetic field, hinders the motion of brake disc, thereby makes the main shaft brake, the brake blade is arranged, so that the brake disc is subjected to larger resistance when braking, and has enough braking force.
Description
Technical Field
The utility model relates to a magnetic current becomes stopper technical field, specifically is a hydraulic pressure magnetic current becomes composite brake structure for vehicle.
Background
Magnetorheological fluid is called MR fluid for short, belongs to controllable fluid, and is an active research in intelligent materials. The magnetorheological fluid is a suspension formed by mixing tiny soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid. The suspension has the characteristics of low viscosity Newtonian fluid under the condition of zero magnetic field; and under the action of strong magnetic field, it exhibits high viscosity and low flowability. The magnetorheological fluid is applied to an automobile braking system by utilizing the accurate adjustable shearing stress of the magnetorheological fluid, and the braking torque of a brake is adjusted by controlling the current of a magnetic field circuit, namely the hydraulic magnetorheological brake.
The existing hydraulic magnetic current brake is mostly made smaller in size in order to reduce the size of the brake, and at the moment, the problem that the braking force of the hydraulic magnetic current brake is insufficient exists, so that a larger current is needed to pass through a coil, the coil generates a larger magnetic force, and the sufficient braking force is obtained.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile-used hydraulic pressure magnetic current becomes composite brake structure to solve the current hydraulic pressure magnetic current brake who proposes in the above-mentioned background art and in order to reduce self size, the most is less with the size manufacturing, can have the not enough problem of hydraulic pressure magnetic current brake braking force this moment, needs great electric current to pass through the coil, makes the coil produce great magnetic force, thereby obtains the problem of sufficient braking force.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic magnetorheological composite brake structure for a vehicle comprises two shells, wherein the two shells correspond to each other left and right, a bearing hole is formed in the middle of each shell, a bearing is installed in each bearing hole, a main shaft is installed between the bearings on the left side and the right side, a brake shell is installed in the middle of each main shaft and is located between the shells on the left side and the right side, a countersunk hole is formed in the outer edge of each shell, a first threaded hole is formed in the outer edge of each brake shell, the countersunk hole corresponds to the first threaded hole left and right, a first bolt is placed in each countersunk hole and is in threaded connection with the first threaded hole, an inner cavity is formed in each brake shell, a coil is installed on the outer edge of the inner cavity, a magnetism isolating ring is installed on the inner side of each coil, two brake discs are installed in the middle of each main shaft, and a flat, two correspond about the brake disc position, two fixedly connected with brake blade between the brake disc, it has magnetorheological suspensions to fill in the inner chamber, the support has been placed to the casing downside, the through-hole has been seted up to the support upside, the second screw hole has been seted up to the casing downside, the second bolt has been placed to the support side, the second bolt run through have the through-hole and with second screw hole spiro union.
Preferably, the bearing is a deep groove ball bearing.
Preferably, the main shaft is a stepped shaft, the left side and the right side of the main shaft are respectively provided with a first shaft shoulder and a second shaft shoulder, the first shaft shoulder is positioned between the second shaft shoulders on the left side and the right side, and the bearing is positioned between the first shaft shoulder and the second shaft shoulder.
Preferably, the brake shell and the main shaft are sealed through an oil seal.
Preferably, the bearing hole and the bearing are in transition fit.
Preferably, the lower side of the bracket is provided with a fixing hole.
Preferably, the main shaft is made of 35CrMn, and the shell and the brake shell are both made of 15 steel.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the current passes through the coil, so that the coil generates magnetic force, the magnetorheological fluid generates larger resistance moment under the action of a strong magnetic field to block the movement of the brake disc, and the main shaft is braked;
2) the installation and fixation of the equipment are facilitated by the arrangement of the bracket;
3) through the arrangement of the first shaft shoulder and the second shaft shoulder, the bearing is convenient to mount and fix.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the brake device comprises a shell 1, a brake shell 2, a bearing 3, a bearing hole 4, an inner cavity 5, a brake disc 6, a brake blade 7, a magnetic isolation ring 8, a coil 9, magnetorheological fluid 10, a through hole 11, a second threaded hole 12, a second bolt 13, a first bolt 14, a counter bore 15, a first threaded hole 16, a bracket 17, a fixing hole 18, a main shaft 19, a flat key 20, a first shaft shoulder 21 and a second shaft shoulder 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, the present invention provides a technical solution: a hydraulic magnetorheological composite brake structure for a vehicle comprises a shell 1, wherein the middle of the shell 1 is provided with two holes for a main shaft 19 to pass through, the number of the shell 1 is two, the positions of the two shell 1 correspond to each other left and right, the middle of the shell 1 is provided with a bearing hole 4, a bearing 3 is arranged in the bearing hole 4, the main shaft 19 is arranged between the bearings 3 on the left side and the right side, the middle of the main shaft 19 is provided with a brake shell 2, the brake shell 2 is positioned between the shell 1 on the left side and the shell 2 on the right side, the cross sections of the shell 1 and the brake shell 2 are circular, the maximum outer diameters of the shell 1 and the brake shell 2 are equal, the outer edge of the shell 1 is provided with a countersunk hole 15, the outer edge of the brake shell 2 is provided with a first threaded hole 16, the countersunk hole 15 corresponds to the left side and the right side, a plurality of counter bores 15 and first screw holes 16 are respectively and uniformly distributed at the outer edges of the shell 1 and the brake shell 2, first bolts 14 are placed in the counter bores 15, the counter bores 15 are matched with the first bolts 14, the first bolts 14 are screwed with the first screw holes 16, the first bolts 14 are stainless steel bolts, an inner cavity 5 is arranged in the brake shell 2, the inner cavity 5 is cylindrical, a coil 9 is arranged at the outer edge of the inner cavity 5, the coil 9 is connected with a power supply, strong magnetic force can be generated after the coil 9 is electrified, a magnetism isolating ring 8 is arranged at the inner side of the coil 9, two brake discs 6 are arranged at the middle part of the main shaft 19, a flat key 20 is arranged between the brake discs 6 and the main shaft 19, the brake discs 6 and the main shaft 19 synchronously rotate through the flat key 20, the positions of the two brake discs 6 correspond to each other on the left and right, and the brake blades 7 are fixedly connected, through the setting of brake vane 7, receive bigger resistance when making brake disc 6 brake to have sufficient braking force, when the braking force of needs equidimension, reduced the electric current volume that coil 9 lets in, thereby reduce the electric quantity consumption, also avoid letting in the produced safety hazard of strong current, it has magnetorheological suspensions 10 to fill in the inner chamber 5, support 17 has been placed to 1 downside of casing, through-hole 11 has been seted up to support 17 upside, second screw hole 12 has been seted up to 1 downside of casing, correspond about through-hole 11 and the 12 positions of second screw hole, through-hole 11 is the same with the quantity of second screw hole 12 and is a plurality ofly, second bolt 13 has been placed to the support 17 side, second bolt 13 and second screw hole 12 looks adaptation, second bolt 13 runs through there is through-hole 11 and with the 12 spiro union of second screw hole.
The bearing 3 is a deep groove ball bearing.
The main shaft 19 is the step shaft, 19 left and right sides of main shaft are provided with first shaft shoulder 21 and second shaft shoulder 22 respectively, first shaft shoulder 21 is located between the second shaft shoulder 22 of left and right sides, bearing 3 is located between first shaft shoulder 21 and the second shaft shoulder 22, and through the setting of first shaft shoulder 21 and second shaft shoulder 22, the installation and the spacing of bearing 3 of being convenient for prevent bearing axial displacement.
The brake shell 2 and the main shaft 19 are sealed through oil seals, and leakage of the magnetorheological fluid 10 is avoided.
The bearing hole and the bearing 3 are in transition fit, and the assembly is reliable.
The lower side of the bracket 17 is provided with a fixing hole 18, and the bracket 17 is fixed with an external device conveniently through the fixing hole 18.
The main shaft 19 is made of 35CrMn, and the shell 1 and the brake shell 2 are both made of 15 steel.
The working principle is as follows: the main shaft 19 is in transmission connection with a rotating shaft driving automobile wheels, when the coil 9 is not electrified, magnetic force does not exist in the brake, the magnetorheological fluid 10 has good fluidity at the moment, the main shaft 19 can conveniently rotate, when the coil 9 is electrified, stronger magnetic force is generated, the magnetorheological fluid 10 is positioned in a magnetic field generated by the coil 9, under the action of the magnetic field, the magnetorheological fluid 10 presents the characteristics of high viscosity and low fluidity to block the brake disc 6 from rotating, the brake disc 6 is subjected to higher resistance when braking through the arrangement of the brake blades 7, so that the brake disc has enough braking force to brake the main shaft 19, the electric quantity introduced into the coil 9 is different, the generated magnetic force is also different, the viscosity of the magnetorheological fluid 10 is also different, the braking force generated by the brake is changed by controlling the electric quantity introduced into the coil 9, and the magnetic force disappears after the coil 9 is powered off, the magnetorheological fluid 10 is rapidly restored to a state having good fluidity.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
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 (7)
1. The utility model provides a vehicular hydraulic pressure magnetic current becomes composite brake structure, includes casing (1), its characterized in that: the number of the shell bodies (1) is two, the two shell bodies (1) correspond to each other left and right in position, a bearing hole (4) is formed in the middle of each shell body (1), a bearing (3) is installed in each bearing hole (4), a main shaft (19) is installed between the bearings (3) on the left side and the right side, a brake shell (2) is installed in the middle of each main shaft (19), the brake shell (2) is located between the shell bodies (1) on the left side and the right side, a counter bore (15) is formed in the outer edge of each shell body (1), a first threaded hole (16) is formed in the outer edge of each brake shell (2), the counter bore (15) corresponds to the position of the first threaded hole (16) left and right, a first bolt (14) is placed in each counter bore (15), the first bolt (14) is in threaded connection with the first threaded hole (16), an inner cavity (5) is formed, coil (9) are installed to inner chamber (5) outward flange, coil (9) inboard is installed and is separated magnetic ring (8), main shaft (19) mid-mounting has two brake discs (6), install parallel key (20), two between brake disc (6) and main shaft (19) correspond about brake disc (6) position, two fixedly connected with braking vane (7) between brake disc (6), it has magnetorheological suspensions (10) to fill in inner chamber (5), support (17) have been placed to casing (1) downside, through-hole (11) have been seted up to support (17) upside, second screw hole (12) have been seted up to casing (1) downside, second bolt (13) have been placed to support (17) side, second bolt (13) run through have through-hole (11) and with second screw hole (12) spiro union.
2. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the bearing (3) is a deep groove ball bearing.
3. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the main shaft (19) is a stepped shaft, a first shaft shoulder (21) and a second shaft shoulder (22) are respectively arranged on the left side and the right side of the main shaft (19), the first shaft shoulder (21) is located between the second shaft shoulders (22) on the left side and the right side, and the bearing (3) is located between the first shaft shoulder (21) and the second shaft shoulder (22).
4. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the brake shell (2) and the main shaft (19) are sealed through oil seals.
5. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the bearing hole is in transition fit with the bearing (3).
6. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the lower side of the bracket (17) is provided with a fixing hole (18).
7. The hydraulic magnetorheological compound brake structure for the vehicle as claimed in claim 1, wherein: the main shaft (19) is made of 35CrMn, and the shell (1) and the brake shell (2) are both made of 15 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421744.8U CN212529604U (en) | 2020-07-20 | 2020-07-20 | Hydraulic magnetorheological composite brake structure for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421744.8U CN212529604U (en) | 2020-07-20 | 2020-07-20 | Hydraulic magnetorheological composite brake structure for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212529604U true CN212529604U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021421744.8U Active CN212529604U (en) | 2020-07-20 | 2020-07-20 | Hydraulic magnetorheological composite brake structure for vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN212529604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605776A (en) * | 2024-01-23 | 2024-02-27 | 华东交通大学 | Stator built-in magneto-rheological brake |
-
2020
- 2020-07-20 CN CN202021421744.8U patent/CN212529604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605776A (en) * | 2024-01-23 | 2024-02-27 | 华东交通大学 | Stator built-in magneto-rheological brake |
| CN117605776B (en) * | 2024-01-23 | 2024-04-05 | 华东交通大学 | Stator built-in magneto-rheological brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YANCHENG TONGHUAN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Assignor: YANCHENG TONGJI AUTO PARTS Co.,Ltd. Contract record no.: X2023980047529 Denomination of utility model: A hydraulic magnetorheological composite brake structure for vehicles Granted publication date: 20210212 License type: Common License Record date: 20231121 |
|
| EE01 | Entry into force of recordation of patent licensing contract |