CN102424040A - Brake device - Google Patents
Brake device Download PDFInfo
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- CN102424040A CN102424040A CN2011104159013A CN201110415901A CN102424040A CN 102424040 A CN102424040 A CN 102424040A CN 2011104159013 A CN2011104159013 A CN 2011104159013A CN 201110415901 A CN201110415901 A CN 201110415901A CN 102424040 A CN102424040 A CN 102424040A
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- wheel
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- trolley case
- drive sleeve
- brake
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Abstract
The invention relates to a brake device. The brake device comprises a pressurization brake mechanism and a controller controlling the work of the pressurization brake mechanism, wherein the pressurization brake mechanism comprises a roller box arranged on a wheel axle, the roller box is pressed on the wheel axle by an elastic component, a transmission sleeve arranged on the wheel axle through a bearing is arranged in the roller box, and a topmost layer of roller serving as a bearing wheel, multiple layers of rollers performing force transmission functions and a bottommost layer of roller serving as a speed variable wheel set are sequentially arranged above the transmission sleeve from top to bottom, wherein the axial directions of all the layers of rollers are consistent with that of the wheel axle. The brake device acts on the wheel axle and brakes a vehicle through rolling friction force, so that an brake impact on the vehicle during emergency brake can be reduced, the forward inertia force of the vehicle can be quickly reduced, rapid brake is realized, and the safety of people in the vehicle during emergency brake are improved.
Description
Technical field
The present invention relates to a kind of braking device, be specifically related to a kind of emergency brake arrangement.
Background technology
At present various brake gears commonly used mainly adopt two types of drum brakes and disk type brakes; Drum brakes is in wheel hub, to be provided with two semi-round brake facings; Utilize lever principle to promote brake facing by wheelcylinder piston and contact with the wheel hub inside face and rub, generation is braked; Disk type brake is in the brake disc both sides that wheel drives brake facing to be set, and promotes brake facing by wheelcylinder piston and clamps brake disc in both sides, produces braking.More than two kinds of brake mode, brake facing and wheel hub or brake disc all produce bigger braking force through force of sliding friction, when low vehicle speeds; Can brake safely, but when running at high speed, in case be in an emergency when needing emergency brake; This force of sliding friction impacts bigger to the braking of wheel hub or brake disc, car also can bear bigger impact and to preshoot, because the unexpected reduction of speed of vehicle; Still can be under the effect of being used to power to preshoot; Be prone to accidents such as overturning, also damage brake gear easily, therefore existing general brake gear can't can reach gradual braking apace when emergency brake.
The license notification number is the Chinese invention patent of CN2484227Y, exactly in drg back-plate and wheel the place ahead when setting overcomes in emergency brake, because the moment of torsion that the rotor inertia of wheel and engine-drive parts produces.Produce a pulling force backward in when brake, slow down the phenomenon that automobile tail upwarps, but still reach snap catch can not solve emergency brake the time.
The license notification number is the Chinese invention patent of CN2853471Y, and shock absorber is arranged on the axle of self-propelled vehicle driving wheel, and dash plate is provided with the component groove; When the self-propelled vehicle emergency brake, the bearing pin of sealing component groove is opened, and wheel shaft is glided along the component groove; Thereby with thrust forward power be decomposed into downwards, upward force; Reduced self-propelled vehicle force of inertia forward,, can't when emergency brake, can reach gradual braking apace though shorten the distance of vehicle emergency brake back on certain program to preshoot.
Summary of the invention
The objective of the invention is to overcome shortcoming of the prior art with not enough, a kind of brake gear of gradual braking apace that when emergency brake, can reach is provided.
The present invention realizes through following technical scheme: said brake gear comprises the controller of pressurization stop mechanism and its work of control; Said pressurization stop mechanism comprises the Trolley case that is installed on the axletree; It is compressed on the axletree by elastomeric element; Be provided with in the said Trolley case through the drive sleeve of bearing installation on axletree; Said drive sleeve top is provided with the superiors roller of as load taking turns axially consistent with axletree from top to bottom successively, as the several layers roller of power transmission effect, as the orlop roller of speed change wheels; Be rolling touch between the adjacent two layers roller, in the box side of Trolley case, said pressurization stop mechanism also comprises is located at said Trolley case outer rotary sleeve, a fixed friction dish and a movable friction disc through bearing installation at said load wheel shaft two ends; One end of said rotary sleeve is connected with drive sleeve; The said rotary sleeve other end is equipped with the fixed friction dish, said movable friction disc and axletree is affixed and rotate with axletree, and said movable friction disc and said fixed friction dish card are provided with in opposite directions; The contact of said controller control fixed friction dish and movable friction disc with separate.Through elastomeric element the weight of vehicle body is put on the roller of the superiors, the roller through the superiors is each layer roller, change wheel and the drive sleeve of this weight in the below again, and drive sleeve directly acts on axletree.In the normal vehicle operation process; This moment, the fixed friction dish separated with cooresponding Advance plate; The system of suddenly stopping is inoperative, and fixed friction dish, rotary sleeve, drive sleeve and each layer roller all remain static, and are close to movable friction disc end face when make the fixed friction dish move axially through controller; The fixed friction dish is driven to rotate, and driven rotary cover and drive sleeve rotation.Because the weight that drive sleeve and each layer roller all bear vehicle body; Form friction of rolling between them; Friction force between them both produced braking to brake disc, to forming messenger chain through driving each layer roller high speed rotating; With the momentum transfer of car to each layer roller, and then can the quick and stable braking.
Said roller is a diameter-changing wheel, and said adjacent two layers diameter-changing wheel is provided with suitable large and small footpath section, and said drive sleeve is provided with the suitable large and small footpath section of diameter-changing wheel that is adjacent.
Said speed change wheels are made up of two-layer diameter-changing wheel; What contact with following drive sleeve is two little change wheels, and what contact with top diameter-changing wheel is a big change wheel, the path section contact of the big footpath Duan Yuxiao change wheel of said drive sleeve; The path section contact of the big footpath Duan Yuda change wheel of said little change wheel; The diameter-changing wheel contact of the big footpath Duan Yuqi top of said big change wheel, and the big footpath section of the path Duan Yuda change wheel of little change wheel is not contacted, through this structure; Can amplify the rotating speed of axletree, and be passed to top diameter-changing wheel to the rotating speed after amplifying.Said change wheel with the rotating speed of axletree be amplified to vehicle wheel rotational speed near the time braking effect better.Certainly, for this axletree of the train vehicle close with wheel, each layer roller of said wheel top can be made as and the same size of wheel, and said axletree rotating speed can not made processing and amplifying, and the diameter-changing wheel that said speed change wheels can be used as gearing replaces.
The madial wall of the corresponding Trolley case of said little change wheel is provided with projection, and the large and small footpath section of said projection and little change wheel is suitable.
Said elastomeric element is a shock absorber, and said shock absorber is located at the both sides of Trolley case in pairs, and said shock absorber upper end is connected with chassis, and the lower end is affixed through a connecting rod, and the middle part of said connecting rod and the bottom of Trolley case flexibly connect through bearing pin.
Said two shock absorbers also are provided with the Trolley case registration device; It comprises the fixed limit piece that connects first shock absorber and Trolley case, the movable limiting stopper that is connected second shock absorber and Trolley case, and the two ends of said fixed limit piece are individually fixed in the middle part of first shock absorber and Trolley case, and an end of said movable limiting stopper is captiveed joint with the middle part of second shock absorber; The other end is provided with orienting lug; Be provided with pilot hole in the orienting lug, said Trolley case middle part is provided with and the cooresponding positioning groove of pilot hole, is provided with locating dowel pin in pilot hole and the positioning groove; Locating dowel pin in the pilot hole is with retracing spring, and said controller control locating dowel pin gets into or withdraw from positioning groove.
Said diameter-changing wheel is a plurality of to be one group, and the two ends of every group of the superiors and undermost diameter-changing wheel are equipped with axle journal, is with a cranse on the axle journal at every group of diameter-changing wheel two ends.Fit together a plurality of diameter-changing wheels through cranse, can improve the reliability of each layer diameter-changing wheel contact, prevent the transmission chain break, further guarantee the normal operation of each layer diameter-changing wheel.The setting of said cranse can avoid diameter-changing wheel to contact with the inwall of roller box, reduces the wearing and tearing of little diameter-changing wheel and Trolley case greatly.
All be with rolling ring on the said axle journal, said rolling ring is all rotatable with respect to axle journal and cranse, can further reduce the wearing and tearing of axle journal and cranse.
Between described adjacent two layers diameter-changing wheel and the drive sleeve big footpath section and the path section that are adjacent between diameter-changing wheel suitable; This structure both can increase the contact surface of friction of rolling; Improve braking effect, can carry out axial location to diameter-changing wheel and drive sleeve again, make frictional transmission more steady.
Described drive sleeve adopts flange to be connected or cooresponding teeth groove and mutual chimeric connection of tooth head with the connection mode of rotary sleeve.
Said Trolley case is provided with microscler mounting hole, and the width of said microscler mounting hole and the external diameter of drive sleeve are suitable, and said drive sleeve is positioned at the bottom of microscler mounting hole, and the top of said microscler mounting hole is lower than the top of the little change wheel of orlop end.Behind each layer rolling wheel wear; But the setting of elongated hole can make Trolley case automatic lowering under the effect of tare, and said Trolley case does not interfere with drive sleeve, and the orlop trundle still receives the axial location of Trolley case; Oppressing each layer roller moves down; Guarantee that each layer roller is in the state that is in contact with one another and bears car weight all the time, realize the automatic compensation behind each layer rolling wheel wear, the long-term normal operation of the shock absorber of guaranteeing to brake.
Principle: the multilayer roller is installed on wheel; The tare lifting is pressed on the roller of the superiors; Every layer of roller can both bear tare simultaneously so from top to bottom; During apply the brakes, vehicle body and each layer roller weight all are pressed on the axletree, vehicle body produced like this be used to power can drive through axletree above each layer roller rotate and obtain discharging.The pressure-speed that obtains because of every layer of roller is identical, and they will digest a speed at the same time so, and therefore, the speed of vehicle will reduce fast, and then can produce braking effect to vehicle rapidly.
With respect to prior art; The present invention is passed to each layer roller above the drive sleeve to the power of being used to that wheel produces through drive sleeve, and the multilayer roller is accelerated through rolling to discharge being used to power, makes car fast speed gradual braking; Avoid anxious and in a flash car is formed big braking impact; Improved passengers inside the car's safety, and can reduce wearing and tearing, prolonged the service life of equipment brake system.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Description of drawings
Fig. 1 is the front view of brake gear of the present invention
Fig. 2 is Fig. 1 cutaway view
Fig. 3 is the left view of brake gear of the present invention
Fig. 4 is the cutaway view of Fig. 3
Fig. 5 is the hydraulic control system local structure figure of brake gear of the present invention
Fig. 6 is the reverse battery valve schematic diagram of brake gear of the present invention
Fig. 7 is the Trolley case registration device working state figure of brake gear of the present invention
Fig. 8 is the drive sleeve cutaway view of brake gear of the present invention
Fig. 9 is the drive sleeve other direction cutaway view of brake gear of the present invention
Figure 10 is the little change wheel of the change wheel of brake gear of the present invention
Figure 11 is the big change wheel suitable with Figure 10
Figure 12 is the reducing wheels cutaway view of brake gear of the present invention
Figure 13 is the reducing wheels other direction cutaway view of brake gear of the present invention
Figure 14 is the diameter-changing wheel of brake gear of the present invention
Figure 15 is the diameter-changing wheel suitable with Figure 14
The load wheel cutaway view of Figure 16 brake gear of the present invention
The accompanying drawing identifier declaration:
101, shock absorber 119, movable friction disc
102, first shock absorber 120, single roller layer
103, second shock absorber 121, two roller layer
104, connecting rod 122, reducing wheels
110, Trolley case 123, axletree
111, roller 124, cranse
111a, first diameter-changing wheel 130, Trolley case registration device
111b, second diameter-changing wheel 131, fixed limit piece
112, load wheel 132, movable limiting stopper
113, speed change wheels 133, single acting oil cylinder
113a, little change wheel 134, retracing spring
113b, big change wheel 135, locating dowel pin
114, side plate 201, oil pump
115, projection 202, solenoid directional control valve
116, drive sleeve 203, two-way cylinder
117, rotary sleeve 204, clutch control rod
118, fixed friction dish 300, wheel
The specific embodiment
To brake gear of the present invention shown in Figure 16, this device is installed on the axletree 123 like Fig. 1, and it comprises the controller of pressurization stop mechanism and its work of control.
The pressurization stop mechanism comprises the Trolley case 110 that is installed on the axletree 123; It is compressed on the axletree 123 by elastomeric element; Be provided with in the Trolley case 110 through the drive sleeve 116 of bearing installation on axletree 123; Drive sleeve 116 tops be provided with successively from top to bottom with axletree 123 axially consistent as load take turns the superiors' roller of 112, as the several layers diameter-changing wheel of power transmission effect, as the orlop roller of speed change wheels 113; 111 on adjacent two layers roller is a rolling touch, and bearing installation is passed through in the box side 114 of Trolley case 110 in load wheel shaft two ends.
The pressurization stop mechanism also comprises rotary sleeve 117, a fixed friction dish 118 and a movable friction disc 119 of being located at outside the said Trolley case 110; One end of rotary sleeve 117 is connected with drive sleeve 116; Rotary sleeve 117 other ends are equipped with fixed friction dish 118; Movable friction disc 119 and axletree 123 are affixed and rotate with axletree 123, and movable friction disc 119 is provided with fixed friction dish 118 cards in opposite directions.
The contact of controller control fixed friction dish 118 and movable friction disc 119 with separate.Through elastomeric element the weight of vehicle body is put on the roller 111 of the superiors, the roller 111 through the superiors is each layer roller 111, speed change wheels 113 and the drive sleeve 116 of this weight in the below again, and drive sleeve 116 directly acts on axletree 123.In the normal vehicle operation process; Fixed friction dish 118 separates with cooresponding movable friction disc 119; The system of suddenly stopping is inoperative, and fixed friction dish 118, rotary sleeve 117, drive sleeve 116 and each layer roller 111 all remain static, and are close to movable friction disc 119 cards when make fixed friction dish 118 move axially through controller; Fixed friction dish 118 is driven to rotate, and driven rotary cover 117 rotates with drive sleeve 116.Because the weight that drive sleeve 116 and each layer roller 111 all bear vehicle body; Form friction of rolling between them; Friction force between them both produced braking to movable friction disc 119 and axletree 123, to forming messenger chain through driving each layer roller 111 high speed rotating; With the momentum transfer of car to each layer roller 111, and then can the quick and stable braking.
Each layer roller 111 can be made as diameter-changing wheel, and the adjacent two layers diameter-changing wheel is provided with suitable large and small footpath section, and drive sleeve is provided with the suitable large and small footpath section of diameter-changing wheel that is adjacent.
Wherein, Speed change wheels 113 are made up of two-layer diameter-changing wheel; That contact with following drive sleeve 116 is two little change wheel 113a, and that contact with top diameter-changing wheel is a big change wheel 113b, the path section contact of the big footpath Duan Yuxiao change wheel 113a of drive sleeve 116; the path section contact of the big footpath Duan Yuda change wheel 113b of little change wheel 113a, the diameter-changing wheel contact of the big footpath Duan Yuqi top of big change wheel 113b.And the big footpath section of the path Duan Yuda change wheel 113b of little change wheel 113a is not contacted.Through this structure, can amplify the rotating speed of axletree 123, and be passed to top diameter-changing wheel to the rotating speed after amplifying.Said speed change wheels 113 with the rotating speed of axletree 123 be amplified to wheel 300 rotating speeds near the time braking effect better.And the madial wall of the corresponding Trolley case 110 of little change wheel 113a is provided with projection 115, and this projection 115 is suitable with the large and small footpath section of little change wheel 113a.
Wherein, This controller can adopt hydraulic control system; It comprises vehicle-mounted hydraulic fuel tank, oil pump 201, solenoid directional control valve 202 and two-way cylinder 203, and two actuator ports of solenoid directional control valve 202 link to each other with two hydraulic fluid ports of two-way cylinder 203 respectively, and a two-way cylinder 203 and a fixed support are hinged; One end of the piston rod of two-way cylinder 203 and clutch control rod 204 is hinged; The other end of clutch control rod 204 places among the affixed shift fork of movable friction disc 119, between the two ends of clutch control rod 204, is provided with the bearing pin as fulcrum, and bearing pin and vehicle frame are affixed.
This elastomeric element can be shock absorber 101, and shock absorber 101 is located at the both sides of Trolley case 110 in pairs, and shock absorber 101 upper ends are connected with chassis, and the lower end is affixed through a connecting rod 104, and the bottom of the middle part of connecting rod 104 and Trolley case 110 flexibly connects through bearing pin.
In order to make vehicles go down or when the up-and-down ground run; Be issued to best braking position in the vehicle body action of gravity; Two shock absorbers 101 also are provided with Trolley case registration device 130, and it comprises the fixed limit piece 131 that connects first shock absorber 102 and Trolley case 110, the movable limiting stopper 132 that is connected second shock absorber 103 and Trolley case 110, and the two ends of fixed limit piece 131 are individually fixed in the middle part of first shock absorber 102 and Trolley case 110; One end of movable limiting stopper 132 is captiveed joint with the middle part of second shock absorber 103; The other end is connected through locating dowel pin 135 with the middle part of Trolley case 110, and Trolley case 110 also is provided with a pedestal and positioning groove, and pedestal is provided with single acting oil cylinder 133 and orienting lug; Single acting oil cylinder 133 links to each other with an actuator port of solenoid directional control valve 202; Be provided with pilot hole in the orienting lug, the corresponding setting with said positioning groove of pilot hole is provided with locating dowel pin 135 in pilot hole and the positioning groove; Locating dowel pin 135 in the pilot hole is with retracing spring 134, and locating dowel pin 135 links with the piston rod of single acting oil cylinder 133.In the cruising process, locating dowel pin 135 is positioned at pilot hole and positioning groove, with the combined action of fixed limit device, makes Trolley case 110 be fixed on the axletree 123, has increased its stability in the process of moving.When brake, single acting oil cylinder 133 oil-feeds, piston rod drives locating dowel pin 135 and from positioning groove, withdraws from, and Trolley case 110 can rotate around axletree 123 under the effect of vehicle body gravity, thereby reaches best braking position.
The weight of vehicle body is put on the diameter-changing wheel of the superiors through two shock absorbers 101, connecting rod 104 and Trolley case 110; The diameter-changing wheel that passes through the superiors again is with each layer diameter-changing wheel and the drive sleeve 116 of this weight in the below, and drive sleeve 116 directly acts on axletree 123.In the time of need not braking; The piston rod of two-way cylinder 203 is in when stretching out state, and this moment, fixed friction dish 118 separated with corresponding movable friction disc 119, and the system of suddenly stopping is inoperative; Fixed friction dish 118, rotary sleeve 117, drive sleeve 116 and each layer diameter-changing wheel all remain static; When needs braked, when making that through controller manipulation solenoid directional control valve 202 piston rod of two-way cylinder 203 reclaims, the other end extrapolation fork of clutch control rod 204 made fixed friction dish 118 move axially the card of being close to movable friction disc 119; Fixed friction dish 118 is driven to rotate, and driven rotary cover 117 rotates with drive sleeve 116.
Each layer diameter-changing wheel of speed change wheels more than 113 is provided with single roller layer 120 of a big diameter-changing wheel or is provided with two roller layers 121 of the little diameter-changing wheel of two symmetries, and single, double roller interlayer is at a distance from being provided with.The number of plies of diameter-changing wheel can decide according to the difference of vehicle, and the number of plies of diameter-changing wheel is many more, and total braking force is big more.Adopt single, double roller to be provided with at interval, transmission more steadily, reliably can prevent that the diameter-changing wheel from because of little dislocation can't cause the messenger chain fracture with other diameter-changing wheel, guaranteeing the normal operation of each layer diameter-changing wheel.
Little diameter-changing wheel two ends are equipped with axle journal; two-layer successively one group of little diameter-changing wheel; two-layer little diameter-changing wheel constitutes reducing wheels 122 with middle big diameter-changing wheel, is with a cranse 124 on the axle journal at every group little diameter-changing wheel two ends, and the madial wall of the external diameter of cranse 124 and Trolley case 110 is suitable.Fit together two-layer little diameter-changing wheel and the big diameter-changing wheel between them through cranse 124, can improve the reliability of each layer diameter-changing wheel contact, prevent the transmission chain break, further guarantee the normal operation of each layer diameter-changing wheel.The setting of cranse 124 can avoid little diameter-changing wheel to contact with the inwall of Trolley case 110, reduces the wearing and tearing of little diameter-changing wheel and Trolley case 110 greatly.
In order further to reduce the wearing and tearing of little diameter-changing wheel and Trolley case 110, all be with rolling ring on the axle journal at each little diameter-changing wheel two ends that can be in cranse 124, be with a cranse 124 in the rolling ring at every group little diameter-changing wheel two ends.Rolling ring is all rotatable with respect to axle journal and cranse 124, can further reduce the wearing and tearing of axle journal and cranse 124.
Between the adjacent two layers diameter-changing wheel and the drive sleeve 116 big footpath section and the path section that are adjacent between diameter-changing wheel suitable; Suitable like Figure 14 to the path section of the big footpath section of the first diameter-changing wheel 111a shown in Figure 15 and the second diameter-changing wheel 111b; This structure both can increase the contact surface of friction of rolling; Improve braking effect, can carry out axial location to diameter-changing wheel and drive sleeve 116 again, make frictional transmission more steady.
Certainly, this brake gear also can be applicable to unpowered vehicle.
The present invention is not limited to above-mentioned embodiment; If various changes of the present invention or distortion are not broken away from the spirit and scope of the present invention; If these changes and distortion belong within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and distortion.
Claims (10)
1. brake gear is characterized in that: said brake gear comprises the controller of pressurization stop mechanism and its work of control,
Said pressurization stop mechanism comprises the Trolley case that is installed on the axletree; It is compressed on the axletree by elastomeric element; Be provided with in the said Trolley case through the drive sleeve of bearing installation on axletree; Said drive sleeve top is provided with the superiors roller of as load taking turns axially consistent with axletree from top to bottom successively, as the several layers roller of power transmission effect, as the orlop roller of speed change wheels; Be rolling touch between the adjacent two layers roller, bearing installation is passed through in the box side of Trolley case in said load wheel shaft two ends
Said pressurization stop mechanism also comprises is located at said Trolley case outer rotary sleeve, a fixed friction dish and a movable friction disc; One end of said rotary sleeve is connected with drive sleeve; The said rotary sleeve other end is equipped with the fixed friction dish; Said movable friction disc and axletree is affixed and rotate with axletree, said movable friction disc and said fixed friction dish card are provided with in opposite directions; The contact of said controller control fixed friction dish and movable friction disc with separate.
2. brake gear according to claim 1 is characterized in that: said roller is a diameter-changing wheel, and said adjacent two layers diameter-changing wheel is provided with suitable large and small footpath section, and said drive sleeve is provided with the suitable large and small footpath section of diameter-changing wheel that is adjacent.
3. brake gear according to claim 2; It is characterized in that: said speed change wheels are made up of two-layer diameter-changing wheel; What contact with following drive sleeve is two little change wheels, and what contact with top diameter-changing wheel is a big change wheel, the path section contact of the big footpath Duan Yuxiao change wheel of said drive sleeve; The path section contact of the big footpath Duan Yuda change wheel of said little change wheel, the diameter-changing wheel contact of the big footpath Duan Yuqi top of said big change wheel.
4. brake gear according to claim 3 is characterized in that: the madial wall of the corresponding Trolley case of said little change wheel is provided with projection, and the large and small footpath section of said projection and little change wheel is suitable.
5. brake shock absorber according to claim 1; It is characterized in that: said elastomeric element is a shock absorber; Said shock absorber is located at the both sides of Trolley case in pairs; Said shock absorber upper end is connected with chassis, and the lower end is affixed through a connecting rod, and the middle part of said connecting rod and the bottom of Trolley case flexibly connect through bearing pin.
6. brake gear according to claim 5; It is characterized in that: said two shock absorbers also are provided with the Trolley case registration device; It comprises the fixed limit piece that connects first shock absorber and Trolley case, the movable limiting stopper that is connected second shock absorber and Trolley case, and the two ends of said fixed limit piece are individually fixed in the middle part of first shock absorber and Trolley case, and an end of said movable limiting stopper is captiveed joint with the middle part of second shock absorber; The other end is provided with orienting lug; Be provided with pilot hole in the orienting lug, said Trolley case middle part is provided with and the cooresponding positioning groove of pilot hole, is provided with locating dowel pin in pilot hole and the positioning groove; Locating dowel pin in the pilot hole is with retracing spring, and said controller control locating dowel pin gets into or withdraw from positioning groove.
7. brake gear according to claim 3 is characterized in that: said diameter-changing wheel is a plurality of to be one group, and the two ends of every group of the superiors and undermost diameter-changing wheel are equipped with axle journal, is with a cranse on the axle journal at every group of diameter-changing wheel two ends.
8. brake gear according to claim 7 is characterized in that: all be with rolling ring on the said axle journal.
9. brake gear according to claim 1 is characterized in that: described drive sleeve adopts flange to be connected or cooresponding teeth groove and mutual chimeric connection of tooth head with the connection mode of rotary sleeve.
10. brake gear according to claim 1; It is characterized in that: said Trolley case is provided with microscler mounting hole; The width of said microscler mounting hole and the external diameter of drive sleeve are suitable; Said drive sleeve is positioned at the bottom of microscler mounting hole, and the top of said microscler mounting hole is lower than the top at the little change wheel of orlop both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110415901 CN102424040B (en) | 2011-12-13 | 2011-12-13 | Brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110415901 CN102424040B (en) | 2011-12-13 | 2011-12-13 | Brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102424040A true CN102424040A (en) | 2012-04-25 |
| CN102424040B CN102424040B (en) | 2013-10-30 |
Family
ID=45958105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110415901 Expired - Fee Related CN102424040B (en) | 2011-12-13 | 2011-12-13 | Brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102424040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923876A (en) * | 2020-08-19 | 2020-11-13 | 李宜昌 | Auxiliary brake device for vehicle running when brake failure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2138066Y (en) * | 1992-11-20 | 1993-07-14 | 冯其海 | Automobile braker |
| US20060170184A1 (en) * | 2005-01-11 | 2006-08-03 | Link Treasure Limited | Electromagnetic brake device for children's vehicle |
| CN2853471Y (en) * | 2005-12-28 | 2007-01-03 | 闵瑞和 | Brake buffer device of motor vehicle |
| WO2009117768A1 (en) * | 2008-03-25 | 2009-10-01 | Jasney Holdings Pty Ltd | Rotary brake calipers |
-
2011
- 2011-12-13 CN CN 201110415901 patent/CN102424040B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2138066Y (en) * | 1992-11-20 | 1993-07-14 | 冯其海 | Automobile braker |
| US20060170184A1 (en) * | 2005-01-11 | 2006-08-03 | Link Treasure Limited | Electromagnetic brake device for children's vehicle |
| CN2853471Y (en) * | 2005-12-28 | 2007-01-03 | 闵瑞和 | Brake buffer device of motor vehicle |
| WO2009117768A1 (en) * | 2008-03-25 | 2009-10-01 | Jasney Holdings Pty Ltd | Rotary brake calipers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923876A (en) * | 2020-08-19 | 2020-11-13 | 李宜昌 | Auxiliary brake device for vehicle running when brake failure |
| CN111923876B (en) * | 2020-08-19 | 2021-09-10 | 黄燕梅 | Auxiliary brake device for vehicle running when brake failure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102424040B (en) | 2013-10-30 |
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