CN203023338U - Magnetic fluid floating disc brake - Google Patents

Magnetic fluid floating disc brake Download PDF

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Publication number
CN203023338U
CN203023338U CN 201320031562 CN201320031562U CN203023338U CN 203023338 U CN203023338 U CN 203023338U CN 201320031562 CN201320031562 CN 201320031562 CN 201320031562 U CN201320031562 U CN 201320031562U CN 203023338 U CN203023338 U CN 203023338U
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CN
China
Prior art keywords
brake
braking
disc
magnetic fluid
stop
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320031562
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Chinese (zh)
Inventor
林智勇
Original Assignee
林智勇
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Filing date
Publication date
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Priority to CN 201320031562 priority Critical patent/CN203023338U/en
Application granted granted Critical
Publication of CN203023338U publication Critical patent/CN203023338U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a magnetic fluid floating disc brake which comprises an outer shell, a brake retarding disc, a rotary shaft, a floating brake, a magnetic fluid, an electromagnetic coil as well as a controller. The floating disc is controlled by the controller to float in the magnetic fluid; the friction between a brake sheet of the floating brake and a brake surface of the brake disc is utilized for braking; hydraulic oil is not used; energy sources are saved; the environment is protected; meanwhile, the temperature of the brake sheet and the brake disc is lowered by utilizing a magnetic fluid; the service life of the brake sheet and the brake disc is prolonged; and the braking clamping stoppage is reduced.

Description

A kind of magnetic fluid disc brake that floats
Technical field
The utility model relates to a kind of braking device, particularly the unsteady disc brake of a kind of magnetic fluid.
Background technique
The disc brake apparatus of existing Motor Vehicle and other equipment; during brake; utilize brake switch and oil gear driving brake block and brake disc surface friction drag to brake; not only need to consume the hydraulic oil resource; be unfavorable for environmental protection; and the temperature of brake block and brake disc friction is higher, and brake block and brake disc easily wear and tear, and have affected the working life of brake block and brake disc.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the unsteady disc brake of a kind of magnetic fluid that provides a kind of Motor Vehicle or other equipment to use, utilizing controller to control unsteady stopping moves in magnetic fluid, utilize unsteady stopping to brake with the frictional force of brake disc, simultaneously, utilize magnetic fluid to reduce the temperature of brake block and brake disc.
The technological scheme that the utility model adopts is: a kind of magnetic fluid float disc brake include shell, brake disc, rotatingshaft, float stop, magnetic fluid, electromagnetic coil and controller; Brake disc is fixedly connected with rotatingshaft, and rotatingshaft is connected movingly with shell, and brake disc is positioned at the die cavity of shell, and magnetic fluid is located in the die cavity of shell, and the braking surface of brake disc is vertical with the axis of brake disc; Floating stops includes floating seat and brake block, the die cavity of shell is provided with the braking die cavity, the braking die cavity is provided with the brake inclined-plane, the distance of brake disc braking surface is arrived to the distance of brake disc braking surface in the top on brake inclined-plane less than the bottom on the inclined-plane that brakes, floating stops is actively tied in the braking die cavity, float and stop between the braking surface of brake inclined-plane and brake disc, the unsteady brake block of stopping is positioned at the opposite of brake disc braking surface; Electromagnetic coil is located on shell, and the magnetic line of force of electromagnetic coil is through magnetic fluid, and controller is provided with guide line and is connected with electromagnetic coil; The unsteady proportion of stopping is greater than the proportion of magnetic fluid, and floating stops is positioned at the bottom of magnetic fluid.
during use, shell is fixedly connected with the frame of Motor Vehicle or equipment, and rotatingshaft is fixedly connected with the rotating shaft that needs brake, and controller is connected with the brake switch device, during brake, controller is connected the power supply of electromagnetic coil, electromagnetic coil produces magnetic field, the magnetic fluid in the shell die cavity is magnetized in magnetic field, make the proportion of magnetic fluid greater than the proportion that floats and stop, make unsteady stopping be subject to buoyancy upwards in magnetic fluid, the brake inclined-plane stop under the effect of this buoyancy along the braking die cavity that floats moves up, the distance that arrives the brake disc braking surface due to the top on the inclined-plane that brakes arrives the distance of brake disc braking surface less than the bottom on the inclined-plane that brakes, float and stop when rising, the braking surface stop simultaneously to brake disc that floats moves, make the brake block of stopping that floats contact and rub with the braking surface of brake disc, the frictional force brake that utilizes brake block and braking surface to produce, when brake is removed, controller cuts off the power supply of electromagnetic coil, the magnetic field of electromagnetic coil disappears, magnetic fluid in die cavity returns to the state when unmagnetized, and the proportion of magnetic fluid returns to the state of the proportion of stopping less than floating, and floating stops moves down under its action of gravitation, simultaneously, the brake block that making floats stops leaves the braking surface of brake disc, and the frictional force of brake block and brake disc braking surface is eliminated, and brake is removed.
The beneficial effects of the utility model are: a kind of magnetic fluid float disc brake comprise shell, brake disc, rotatingshaft, float stop, magnetic fluid, electromagnetic coil and controller; Utilizing controller to control unsteady stopping floats in magnetic fluid; the brake block that utilizing floats stops and the braking surface friction brake of brake disc; do not use hydraulic oil; save the energy; be conducive to environmental protection, simultaneously, utilize magnetic fluid to reduce the temperature of brake block and brake disc; improve the working life of brake block and brake disc, reduce the generation of brake locking fault.
Description of drawings
Fig. 1 is the structural representation of the unsteady disc brake of a kind of magnetic fluid;
Fig. 2 is the left view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further detailed:
A kind of magnetic fluid shown in Figure 1 the float structural representation of disc brake and the left view of Fig. 1 shown in Figure 2, a kind of magnetic fluid float disc brake include shell 1, brake disc 2, rotatingshaft 3, float stop 4, magnetic fluid 5, electromagnetic coil 6 and controller 7; Brake disc 2 is fixedly connected with rotatingshaft 3, the axis of rotatingshaft 3 is identical with the axis of brake disc 2, and rotatingshaft 3 is connected movingly with shell 1, and brake disc 2 is positioned at the die cavity 8 of shell 1, magnetic fluid 5 is located in the die cavity 8 of shell 1, and the braking surface 9 of brake disc 2 is vertical with the axis of brake disc 2; Floating stops 4 includes floating seat 10 and brake block 11, the die cavity 8 of shell 1 is provided with braking die cavity 12, braking die cavity 12 is provided with the inclined-plane 13 that brakes, the distance of brake disc 2 braking surfaces 9 is arrived to the distance of brake disc 2 braking surfaces 9 in the top 14 on brake inclined-plane 13 less than the bottom 15 on the inclined-plane 13 that brakes, floating stops 4 is actively tied in braking die cavity 12, float and to stop 4 between the braking surface 9 of brake inclined-plane 13 and brake disc 2, unsteady 4 the brake block 11 stopped is positioned at the opposite of brake disc 2 braking surfaces 9; Electromagnetic coil 6 is located on shell 1, and electromagnetic coil 6 is provided with iron core 33, and for increasing the magnetic intensity of electromagnetic coil 6, the magnetic line of force of electromagnetic coil 6 is through magnetic fluid 5, and controller 7 is provided with guide line and is connected with electromagnetic coil 6; Float and to stop 4 proportion greater than the proportion of magnetic fluid 5,4 bottoms that are positioned at magnetic fluid 5 of stopping of floating, utilizing floats stop 4 in magnetic fluid 5 travelling brake.Be provided with seal ring 35 between the bearing support 34 of rotatingshaft 3 and shell 1, be used for preventing magnetic fluid 5 leakages.
Stop 4 in the interior lifting of braking die cavity 12 in order to implement to float, the braking die cavity 12 of shell 1 is provided with chute 16, floating stops 4 is actively tied in chute 16, stop 4 the floating seat 10 of floating is provided with sliding bevel 17, sliding bevel 17 is positioned at the opposite on brake inclined-plane 13, sliding bevel 17 and brake disc 2 braking surface 9 out of plumb, sliding bevel 17 is not parallel with the braking surface 9 of brake disc 2; The sliding bevel 17 of floating seat 10 contacts with the brake inclined-plane 13 of braking die cavity 12, and the brake lining 19 of brake block 11 is parallel with braking surface 9; Chute 16 is provided with spring 18, and spring 18 is Compress Spring, and spring 18 is positioned at 4 the top of stopping of floating, and when brake is removed, utilizes the elastic force of spring 18 to promote to float to stop 4 to reset.
Described chute 16 include left skateboard 20, right slide plate 21 and on win 22 in succession, left skateboard 20 with on win in succession and 22 be fixedly connected with, on win in succession and 22 be fixedly connected with right slide plate 21; Left skateboard 20 and right slide plate 21 are connected with shell 1, and perhaps, left skateboard 20 and right slide plate 21 are fixedly connected with shell 1; The left slip surface 23 of floating seat 10 is connected movingly with left skateboard 20, and the right slip surface 24 of floating seat 10 is connected movingly with right slide plate 21, and left slip surface 23 is parallel with right slip surface 24; Spring 18 is won in succession on 22 in upper, and spring 18 is positioned at the top of floating and stopping 4 floating seat 10.
4 be symmetrical arranged in the both sides of brake disc 2 in order to implement the symmetry brake of brake disc 2, to float to stop, the braking surface 9 of brake disc 2 includes left braking surface 25 and right braking surface 26; The brake inclined-plane 13 of the braking die cavity 12 of shell 1 includes left brake inclined-plane 27 and right brake inclined-plane 28, and left brake inclined-plane 27 is positioned at the opposite of left braking surface 25, and right brake inclined-plane 28 is positioned at the opposite of right braking surface 26; Float stop 4 include left float stop 29 and right floating stop 30, left stop 29 the left brake block 31 of floating is positioned at the opposite of left braking surface 25, right stop 30 the right brake block 32 of floating is positioned at the opposite of right braking surface 26.
In order to reduce ferromagnetic material to the interference in electromagnetic coil 6 magnetic fields, floating stops 4 is the nonferromagnetic material formation; Chute 16 is provided with delivery hole 36, makes magnetic fluid 5 can be full of braking die cavity 12.
During brake, float and to stop 4 with spring 18 compressions, 4 elastic force that overcome spring 18 of stopping of floating rise, and floating stops 4 moves to brake disc 2 braking surfaces 9 simultaneously, making floats, and stop 4 brake block 11 contact and rub with the braking surface 9 of brake disc 2, utilizes the frictional force of brake block 11 and braking surface 9 generations to brake; When brake is removed, 4 decline that reset under the elastic force effect of spring 18 of stopping of floating, making floats, and stop 4 brake block 11 leaves the braking surface 9 of brake disc 2, and brake block 11 is eliminated with the frictional force of brake disc 2 braking surfaces 9, the brake releasing.
In order to implement to utilize controller 7 to control brake, be further designed to: unsteady 4 buoyancy that are subject to making progress in magnetic fluid 5 of stopping are directly proportional to the power that controller 7 flows to electromagnetic coil 6; Unsteady 4 buoyancy that are subject to making progress in magnetic fluid 5 of stopping increase with the increase that controller 7 flows to the power of electromagnetic coil 6, and unsteady 4 buoyancy that are subject to making progress in magnetic fluid 5 of stopping reduce with the minimizing that controller 7 flows to the power of electromagnetic coil 6.
when increasing the frictional force of brake block 11 and brake disc 2 braking surfaces 9, the magnetic field that utilizes controller 7 to control electromagnetic coil 6 constantly increases, the proportion of magnetic fluid 5 is constantly increased, unsteady 4 buoyancy that are subject in magnetic fluid 5 of stopping are constantly increased, making floats stops 4 floating functions that are subject in brake inclined-plane 13 in magnetic fluid 5, make the unsteady reaction force of a level of 4 generations of stopping in 13 pairs, inclined-plane of brake, the reaction force of this level increases with the unsteady 4 continuous increases that are subject to buoyancy in magnetic fluid 5 of stopping, utilize the reaction force of this level constantly to increase the pressure of 11 pairs of braking surfaces 9 of brake block, brake block 11 and the frictional force of braking surface 9 are constantly increased.
When reducing the frictional force of brake block 11 and brake disc 2 braking surfaces 9, constantly reduce in the magnetic field that utilizes controller 7 to control electromagnetic coil 6, the proportion of magnetic fluid 5 is constantly reduced, unsteady 4 buoyancy that are subject in magnetic fluid 5 of stopping are constantly reduced, unsteady 4 active forces that put on the inclined-plane 13 that brakes of stopping are constantly reduced, unsteady 4 reaction forces that produce of stopping in 13 pairs, inclined-plane of brake are constantly reduced, the pressure of 11 pairs of braking surfaces 9 of brake block is constantly reduced, brake block 11 and the frictional force of braking surface 9 are constantly reduced.
In order to reduce the temperature of brake disc 2 and brake block 11, be further designed to: the stop fricative heat of braking surface 9 of 4 brake block 11 and brake disc 2 of floating passes to shell 1 through magnetic fluid 5, this heat is distributed by shell 1 again, reduces the temperature of brake block 11 and brake disc 2.
In order to increase the frictional force of brake, magnetic fluid 5 is provided with the nano wearproof material, the frictional force of stop for increasing floating 4 brake block 11 and the braking surface 9 of brake disc 2.

Claims (9)

1. the magnetic fluid disc brake that floats is characterized in that: a kind of magnetic fluid float disc brake include shell (1), brake disc (2), rotatingshaft (3), float stop (4), magnetic fluid (5), electromagnetic coil (6) and controller (7); Brake disc (2) is fixedly connected with rotatingshaft (3), the axis of rotatingshaft (3) is identical with the axis of brake disc (2), rotatingshaft (3) is connected movingly with shell (1), brake disc (2) is positioned at the die cavity (8) of shell (1), magnetic fluid (5) is located in the die cavity (8) of shell (1), and the braking surface (9) of brake disc (2) is vertical with the axis of brake disc (2); unsteady stop (4) include floating seat (10) and brake block (11), the die cavity (8) of shell (1) is provided with braking die cavity (12), braking die cavity (12) is provided with the inclined-plane (13) that brakes, the distance of brake disc (2) braking surface (9) is arrived to the distance of brake disc (2) braking surface (9) in the top (14) on brake inclined-plane (13) less than the bottom (15) on brake inclined-plane (13), unsteady stop (4) are actively tied in braking die cavity (12), unsteady stop (4) are positioned between the braking surface (9) of brake inclined-plane (13) and brake disc (2), the brake block (11) of unsteady stop (4) is positioned at the opposite of brake disc (2) braking surface (9), electromagnetic coil (6) is located on shell (1), and the magnetic line of force of electromagnetic coil (6) is through magnetic fluid (5), and controller (7) is provided with guide line and is connected with electromagnetic coil (6), the proportion of unsteady stop (4) is greater than the proportion of magnetic fluid (5), and unsteady stop (4) are positioned at the bottom of magnetic fluid (5).
2. a kind of magnetic fluid according to claim 1 disc brake that floats, it is characterized in that: the braking die cavity (12) of described shell (1) is provided with chute (16), unsteady stop (4) are actively tied in chute (16), the floating seat (10) of unsteady stop (4) is provided with sliding bevel (17), sliding bevel (17) is positioned at the opposite on brake inclined-plane (13), sliding bevel (17) and brake disc (2) braking surface (9) out of plumb, sliding bevel (17) is not parallel with the braking surface (9) of brake disc (2), chute (16) is provided with spring (18), spring (18) is positioned at the top of unsteady stop (4).
3. a kind of magnetic fluid according to claim 2 disc brake that floats, it is characterized in that: the sliding bevel (17) of described floating seat (10) contacts with the brake inclined-plane (13) of braking die cavity (12), and the brake lining (19) of brake block (11) is parallel with braking surface (9).
4. a kind of magnetic fluid according to claim 2 disc brake that floats, it is characterized in that: described chute (16) include left skateboard (20), right slide plate (21) and on win in succession (22), left skateboard (20) with on win in succession (22) be fixedly connected with, on win in succession (22) be fixedly connected with right slide plate (21); Left skateboard (20) and right slide plate (21) are connected with shell (1), and perhaps, left skateboard (20) and right slide plate (21) are fixedly connected with shell (1); The left slip surface (23) of floating seat (10) is connected movingly with left skateboard (20), the right slip surface (24) of floating seat (10) is connected movingly with right slide plate (21), and left slip surface (23) is parallel with right slip surface (24); Spring (18) is fixed in win in succession (22), and spring (18) is positioned at the top of the floating seat (10) of unsteady stop (4).
5. a kind of magnetic fluid according to claim 1 disc brake that floats, it is characterized in that: described unsteady stop (4) are symmetrical arranged in the both sides of brake disc (2), and the braking surface (9) of brake disc (2) includes left braking surface (25) and right braking surface (26); The brake inclined-plane (13) of the braking die cavity (12) of shell (1) includes left brake inclined-plane (27) and right brake inclined-plane (28), left brake inclined-plane (27) is positioned at the opposite of left braking surface (25), and right brake inclined-plane (28) is positioned at the opposite of right braking surface (26); Unsteady stop (4) include left floating and stop (29) and right stop (30) of floating, the left brake block (31) of left unsteady stop (29) is positioned at the opposite of left braking surface (25), and the right brake block (32) of right unsteady stop (30) is positioned at the opposite of right braking surface (26).
6. a kind of magnetic fluid according to claim 1 disc brake that floats, it is characterized in that: described electromagnetic coil (6) is provided with iron core (33).
7. a kind of magnetic fluid according to claim 2 disc brake that floats, it is characterized in that: described spring (18) is Compress Spring.
8. the unsteady disc brake of a kind of magnetic fluid according to claim 1, is characterized in that: be provided with seal ring (35) between the bearing support (34) of described rotatingshaft (3) and shell (1).
9. a kind of magnetic fluid according to claim 2 disc brake that floats, it is characterized in that: described chute (16) is provided with delivery hole (36).
CN 201320031562 2013-01-03 2013-01-03 Magnetic fluid floating disc brake Expired - Fee Related CN203023338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320031562 CN203023338U (en) 2013-01-03 2013-01-03 Magnetic fluid floating disc brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320031562 CN203023338U (en) 2013-01-03 2013-01-03 Magnetic fluid floating disc brake

Publications (1)

Publication Number Publication Date
CN203023338U true CN203023338U (en) 2013-06-26

Family

ID=48647326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320031562 Expired - Fee Related CN203023338U (en) 2013-01-03 2013-01-03 Magnetic fluid floating disc brake

Country Status (1)

Country Link
CN (1) CN203023338U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130626

Termination date: 20140103

C17 Cessation of patent right