CN2400326Y - Brake for servodrive vehicle - Google Patents
Brake for servodrive vehicle Download PDFInfo
- Publication number
- CN2400326Y CN2400326Y CN 99228883 CN99228883U CN2400326Y CN 2400326 Y CN2400326 Y CN 2400326Y CN 99228883 CN99228883 CN 99228883 CN 99228883 U CN99228883 U CN 99228883U CN 2400326 Y CN2400326 Y CN 2400326Y
- Authority
- CN
- China
- Prior art keywords
- outer shroud
- brake
- vehicle
- servodrive
- friction
- Prior art date
- 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
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Abstract
The utility model relates to a brake for a servodrive vehicle, which is composed of a fixed ring, a support ring, a driving ring, keys, a servodrive mechanism, multiple groups of energy storage mechanisms, draw rods, multiple compression springs, stop pins, etc. The utility model is characterized in that the energy storage mechanism is composed of a friction type ratchet mechanism and is connected with multiple torsion springs; the driving ring can be connected with multiple energy storage mechanisms, and the motion of the energy storage mechanism is controlled by the stop pins. The servodrive mechanism is composed of a ratchet mechanism and the stop pin and is connected with the torsion spring. When a vehicle is braked, the utility model can transform the kinetic energy into the elastic potential energy, and can transform the elastic potential energy into the kinetic energy desired by the vehicle at a proper time to play a power-assisted function.
Description
The utility model relates to a kind of Brake for servodrive vehicle, a kind ofly specifically can brake and have the braking mechanism that the kinetic energy of vehicle loss is stored and it can be reduced to vehicle energy in the mode of elastic potential energy.
Existing car is stopped and is all adopted the friction-type structure, promptly relies on the external force piece of will stopping to be pressed on the wheel wheel of rotation in when brake, is added in the size variation of external force on the piece of stopping by change, regulates stop piece and the size of taking turns the friction force between the wheel, makes car retardation or stops.Its shortcoming is: 1. the friction force between piece and wheel wheel hinders vehicle movement because brake dependence is stopped, thus can cause the abrasion of piece and wheel wheel of stopping, and influence the reliability of brake gradually.2. the kinetic energy loss with vehicle when braking falls, and it can not be utilized.
The purpose of this utility model provides a kind of braking mechanism, can be in brake process, vehicle stopped or when slowing down the kinetic energy of loss be converted into elastic potential energy, and when needs quickened, the new car that is translated into the kinetic energy of vehicle was stopped.
The utility model comprises set collar, carrier ring, transmission ring, key, servomechanism, organizes accumulating mechanism, pull bar, a plurality of compression spring, stop pin more.Set collar is installed on the main shaft, organizes the left-half that accumulating mechanism is installed in set collar more; And servomechanism is installed in the right half part of set collar; They connect with key and set collar respectively, and with retainer ring axial location on set collar.One end of each torsion spring inserts in the outer annular distance of many group friction-type ratchet devices in the accumulating mechanism, and the other end inserts in the axial hole of the star-like body of servomechanism.One end of transmission ring and the outer shroud of servomechanism, can rotate with taking turns wheel with wheel wheel key connecting simultaneously to be threaded.Pull bar is contained in the groove of set collar, under external force left and right sides straight-line motion; And the many groups friction-type ratchet device compression compression spring that can promote accumulating mechanism is to left movement, makes that the friction-type ratchet device is one or more to match with transmission ring.Accumulating mechanism is made of many groups friction-type ratchet device, selects the 3-10 group to constitute according to the load-carrying capacity of vehicle usually.
The utlity model has simple in structure, brake is reliable, abrasion is little, easy to install, accumulation of energy, advantage such as laborsaving.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the C-C semi-sictional view expansion drawing of Fig. 3.
Referring to each accompanying drawing, set collar 29 is enclosed within on the main shaft, is fixed with back nut 15 and captive nut 30, and pull bar 13 is installed in the axial groove of set collar 29.Left-half at set collar 29 has carrier ring 26, connects with key 27 between the two.Respectively there are a retainer ring 20 and retainer ring 28 that carrier ring 26 is fixed on the set collar 29 at the two ends of carrier ring 26.In the inside of set collar 29 stop pin 31 is housed, it is gone up and supports spring 32, be pressed in below on the pull bar 13, and can in the radial hole of set collar 29, slide up and down, base ring 25 is enclosed within on the carrier ring 26, and by retainer ring 21 with its axial restraint, its inwall along the circumferential direction has many semisphere apertures, when stop pin 31 is in pull bar 13 groove I, base ring 25 and carrier ring 26 can relatively rotate, and when stop pin 31 was not among the groove I at pull bar 13, the upper end of stop pin 31 was upwards stretched in the semisphere aperture that encircles on earth in 25, base ring 25 and carrier ring 26 are coupled to each other, can not rotate mutually.In many group friction-type ratchet devices, the structure of each friction-type ratchet device is identical, and the friction-type ratchet device constitutes (shown in figure three) by star-like body 24, outer shroud 23, steel ball 3, distribution 44 and spring 45.The friction-type ratchet device is enclosed within on the base ring 25, and is connected by feather key 27, and its star-like body 24 can not relatively rotate with base ring 25, can only slide relative.Be separately installed with compression spring 33, compression spring 34, compression spring 35 and compression spring 36 between the top of base ring 25 and the friction-type ratchet device and between each friction-type ratchet device, its coefficient of stiffiness reduces from right to left successively.On the outer shroud 38 of each friction-type ratchet device, outer shroud 39, outer shroud 40 and the outer shroud 23 aperture is arranged respectively, one end of torsion spring 5, torsion spring 6, torsion spring 7, torsion spring 8 inserts in the hole respectively, and the other end of torsion spring inserts respectively in the hole of star-like body 19.Right half part at set collar 29 is with base ring 12, connects with key 17 between them, can not rotate mutually, and two retainer rings on the usefulness set collar 29 are with its axial restraint.In base ring 12, a circular hole is radially arranged, stop pin 11 and spring 10 (shown in figure two) are equipped with in its inside.Support spring 10 on the stop pin 11, be pressed in below on the pull bar 13, on base ring 12, be with star-like body 19, with spring collar 9 it is axially fixed on the base ring 12, the wall circumferencial direction has many semisphere apertures within it, when stop pin 11 drops among the groove II of pull bar 13, the upper end of stop pin 11 is in base ring 12, this moment, base ring 12 can relatively rotate with star-like body 19, and after pull bar 1 moves, when groove II is shifted out in the lower end of stop pin 11, stop pin 11 will on move, the excircle of base ring 12 will be stretched out in its upper end, stretch in the semisphere aperture of star-like body 19 circumferential inner walls, both can not be relatively rotated, star-like body 19, the friction-type ratchet device (shown in figure two) that steel ball 4 and outer shroud 22 are formed and the screw thread that relies between the two that is connected of transmission ring 37, key 2 on transmission ring 37 outer walls stretches in the keyway of wheel wheel 1, and both are rotated synchronously.
In this mechanism, much more total group friction-type ratchet devices, its structure is shown in (figure three), its outer shroud 23 can only be done unidirectional rotation with respect to star-like body 24, press among the figure one E to, its outer shroud can only rotate as clockwise direction relative to star-like body.In the narration below, be forward in a clockwise direction, otherwise be reverse.
Below principle of work of the present utility model is described further:
Vehicle when needs brake, only needs to add reverse resistance on this mechanism driving ring 37 in the forward travel process, just can finish brake; When quickening, only need on transmission ring 37, to add positive power, just can finish accelerated motion.With the several working processs in the vehicle ' principle of work of the present utility model is elaborated below:
Working process:
1. under normal condition, pull bar 13 is in low order end under spring 41 effects, this moment, stop pin 31 and stop pin 11 were in respectively among the groove I and groove II of pull bar 13, when vehicle advances, wheel wheel 1 drives transmission ring 37 and rotates simultaneously, and this moment, one end and the outer shroud 38 of transmission ring 37 broke away from, and its other end institute bonded assembly outer shroud 22 also can freely rotate (forward) relative to star-like body 19, therefore, this hour wheel wheel 1 is made resistanceless motion.And when needing reversing (oppositely), bonded assembly outer shroud 22 drives star-like body 19 by steel ball 4 and does counter motion (this moment, stop pin 11 was among the pull rod slot II on the transmission ring 37, star-like body 19 can freely rotate on base ring 12), torsion spring drives outer shroud 38, outer shroud 39, outer shroud 40 and outer shroud 23 rotations on the star-like body 19 simultaneously, each outer shroud drives star-like body 24 by steel ball 3 and base ring 25 freely rotates (this moment, stop pin 31 was among the groove I of pull bar 13, and base ring 25 can freely rotate) on carrier ring 26 on carrier ring 26.At this moment, vehicle can be moveed backward.
2. under external force, after spurring pull bar 13 1 sections left and moving, stop pin 31 is progressively by pull bar 13 jack-up, leave the groove I of pull bar 13, this moment, the upper end of stop pin 31 was stretched in the semisphere aperture of base ring 25 inner peripherys, and base ring 25 connects with carrier ring 26, can not rotate mutually.Simultaneously, still in the groove II of pull bar 13, star-like body 19 can freely rotate mutually with base ring 12 in the lower end of stop pin 11, and vehicle can freely advance.Pull bar 13 continues under external force to left movement, and stop pin 11 is progressively by pull bar 13 jack-up, and shift out among the pull bar 13 groove II its lower end, and its upper end is stretched in the semisphere aperture of star-like body 19 inner peripherys, and base ring 12 is connected with star-like body 19, can not do mutual rotation.
3. under external force, continue to spur pull bar 13 left, its upper end protrusion push rod is pressed to star-like body 24, since each star-like body can be on base ring 25 slide relative, compression spring 36, compression spring 35, compression spring 34, the coefficient of stiffiness of compression spring 33 increases successively, therefore, in the process that pull bar 13 progressively moves, outer shroud 38 protruding contact surfaces (shown in figure four) at first match with the recessed contact surface (shown in figure four) of transmission ring 37, make outer shroud 38 along with transmission ring 37 rotates synchronously, then an end that drives torsion spring 5 rotates, and its other end is fixed on the star-like body 19, because star-like body 19 is fixed by stop pin 11, therefore, the left end of torsion spring 5 is reversed by forward, it produces reverse elastic force to outer shroud 38, and outer shroud 38 and transmission ring 37, wheel wheel 1 is connected, and this reverse elastic force promptly hinders being rotated in the forward of wheel wheel 1, thereby plays the effect of brake.If continue to spur pull bar 13 left, at this moment, the convex surface of outer shroud 39 will cooperate with the concave surface of outer shroud 38, outer shroud 39 also will rotate synchronously with outer shroud 38, and torsion spring 6 is reversed simultaneously, will produce bounce to outer shroud 39 equally, this elastic force is passed to wheel wheel 1 by outer shroud 38 and transmission ring 37, to play braking action, in the actual brake process, can move pull bar 13 to different position, one or more outer shrouds are cooperated according to this, and match with transmission ring 37, produce different resistances, satisfy the requirement of brake, along with outer shroud cooperate many more, the spring that is reversed is many more, and its elastic force is big more, and resistance is big more.
4. when vehicle has slowed down or stopped, when no longer needing apply the brakes, progressively releasing lever 13, this moment, star-like body was under the effect of compression spring 33, compression spring 34, compression spring 35 and compression spring 36, outer shroud 23, outer shroud 40, outer shroud 39 and outer shroud 38 are disconnected from each other, and throw off with transmission ring 37, at this moment, left end at torsion spring (in 5,6,7,8 one or more), star-like body 24 is fixed, and the friction-type ratchet device of being made up of outer shroud 23, steel ball 3, star-like body 24 makes outer shroud not make backward rotation under the elastic force effect; And at the right-hand member of torsion spring, because stop pin 11 makes star-like body 19 be connected with base ring 12, therefore, star-like body 19 can not be rotated in the forward under the elastic force effect, at this moment, vehicle is not subjected to the elastic force effect, can freely travel, torsion spring is still reversed, and the kinetic energy of vehicle loss is converted into elastic potential energy and is stored in the torsion spring.
5. when the need power-assisted, continue to send out pull bar 13, make pull bar 13 groove II get back to the bottom of stop pin 11, stop pin 11 falls back among the pull bar 13 groove II under the effect of spring 10, its upper end is slided in the semisphere aperture of star-like body 19 inner peripherys, star-like body 19 is made forward rotation under the effect of torsion spring elastic force, drive outer shroud 22 by steel ball 4 and rotate, drive transmission ring 37,1 rotation of wheel wheel again, play power-assisted effect.
6. continue releasing lever 13, make it get back to original position, stop pin 31 falls into pull rod slot I, and brake gear is got back to this working process one state, and vehicle can freely advance or retreat.
Claims (9)
1。A kind of Brake for servodrive vehicle, comprise set collar, carrier ring, transmission ring, key, an actuating unit, a plurality of accumulating mechanisms, pull bar, a plurality of compression springs, stop pin etc., set collar is installed on the main shaft, be with the accumulating mechanism of forming by many groups friction-type ratchet device in its left-half, separate with compression spring in the middle of each accumulating mechanism, outer shroud can cooperatively interact, form multistage variable force mechanism, its right half part is equipped with the servomechanism that a friction-type ratchet device is formed, two ends in order to the torsion spring of stored energy are installed in respectively on accumulating mechanism and the servomechanism, pull bar is arranged in set collar, control brake process with moving of it, between set collar and base ring, stop pin is housed, it is characterized in that outer shroud 23 is sleeved on the star-like body 24 in the friction-type ratchet device, steel ball 3 is housed in the groove of between, one end of distribution 44 is pressed on the compression spring 46, the other end withstands on the steel ball 3, its outer shroud 23 can only be done unidirectional rotation with respect to star-like body 24, torsion spring (5,6,7,8) a end is installed in its outer shroud 23,38,39, on 40.
2。Brake for servodrive vehicle as claimed in claim 1 is characterized in that accumulating mechanism can be made up of 3～10 friction-type ratchet devices.
3。Brake for servodrive vehicle as claimed in claim 1, it is characterized in that between the friction-type ratchet device of each accumulating mechanism compression spring (33,34,35,36) being housed, compression spring and friction-type ratchet device all are enclosed within on the base ring 25, when pull bar 13 is pressed to transmission ring 37 with the friction-type ratchet device, because the coefficient of stiffiness of each compression spring reduces from left to right successively, the friction-type ratchet device can one or morely be connected with transmission ring 37, form multistage brake.
4。Brake for servodrive vehicle as claimed in claim 1, it is characterized in that servomechanism is made up of the friction-type ratchet device, outer shroud 22 is enclosed within on the star-like body 19, steel ball 4, distribution 43 and spring 42 are housed in the groove of star-like body 19, one end of distribution 43 is pressed on the spring 42, the other end is against on the steel ball 4, and its outer shroud 22 can only be done unidirectional rotation with respect to star-like body 19, and an end of torsion spring (5,6,7,8) is installed on the star-like body 19.
5。Brake for servodrive vehicle as claimed in claim 1 is characterized in that groove I is arranged on the pull bar 13, in the carrier ring 26 radial hole is arranged, stop pin 31 and spring 32 are housed in the radial hole, support carrier ring 26 on the spring 32, be pressed in below on the stop pin 31, many semisphere apertures are arranged on the inner periphery of base ring 25.
6。Brake for servodrive vehicle as claimed in claim 1 is characterized in that groove II is arranged on the pull bar 13, in the base ring 12 radial hole is arranged, stop pin 11 and spring 10 are housed in the radial hole, support base ring 12 on the spring 10, be pressed in below in the untie-sell 11, many semisphere apertures are arranged on the inner periphery of star-like body 19.
7。Brake for servodrive vehicle as claimed in claim 1 is characterized in that the energy-accumulating element of this Brake for servodrive vehicle adopts torsion spring (5,6,7,8).
8。Brake for servodrive vehicle as claimed in claim 1 is characterized in that the two sides of outer shroud 23, outer shroud 38, outer shroud 39, outer shroud 40 have a fitting surface respectively, and a fitting surface is also arranged on the transmission ring 37, and the angle α of each fitting surface and end face equals 40～60 degree.
9。Brake for servodrive vehicle as claimed in claim 1 is characterized in that the two sides of outer shroud 23, outer shroud 38, outer shroud 39, outer shroud 40 have a fitting surface respectively, and a fitting surface is also arranged on the transmission ring 37, and the angle α of each fitting surface and end face equals 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228883 CN2400326Y (en) | 1999-07-15 | 1999-07-15 | Brake for servodrive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228883 CN2400326Y (en) | 1999-07-15 | 1999-07-15 | Brake for servodrive vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2400326Y true CN2400326Y (en) | 2000-10-11 |
Family
ID=34018189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99228883 Expired - Fee Related CN2400326Y (en) | 1999-07-15 | 1999-07-15 | Brake for servodrive vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2400326Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849045A (en) * | 2012-09-21 | 2013-01-02 | 朱彤 | Brake energy-feedback system of vehicle |
| CN104527620A (en) * | 2014-11-25 | 2015-04-22 | 山东永泰化工有限公司 | Tire deceleration braking device |
| CN114795461A (en) * | 2022-05-24 | 2022-07-29 | 河北工业大学 | Semi-automatic mechanical arm for adjusting pose of blood vessel interventional robot |
-
1999
- 1999-07-15 CN CN 99228883 patent/CN2400326Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849045A (en) * | 2012-09-21 | 2013-01-02 | 朱彤 | Brake energy-feedback system of vehicle |
| CN102849045B (en) * | 2012-09-21 | 2015-06-24 | 朱彤 | Brake energy-feedback system of vehicle |
| CN104527620A (en) * | 2014-11-25 | 2015-04-22 | 山东永泰化工有限公司 | Tire deceleration braking device |
| CN104527620B (en) * | 2014-11-25 | 2017-03-22 | 毛开元 | Tire deceleration braking device |
| CN114795461A (en) * | 2022-05-24 | 2022-07-29 | 河北工业大学 | Semi-automatic mechanical arm for adjusting pose of blood vessel interventional robot |
| CN114795461B (en) * | 2022-05-24 | 2024-04-09 | 河北工业大学 | Semi-automatic mechanical arm for adjusting pose of vascular intervention robot and assisting blood vessel intervention robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |