CN201593576U - Electronic mechanical type and hydraulic type dual-purpose brake - Google Patents
Electronic mechanical type and hydraulic type dual-purpose brake Download PDFInfo
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- CN201593576U CN201593576U CN2009200485492U CN200920048549U CN201593576U CN 201593576 U CN201593576 U CN 201593576U CN 2009200485492 U CN2009200485492 U CN 2009200485492U CN 200920048549 U CN200920048549 U CN 200920048549U CN 201593576 U CN201593576 U CN 201593576U
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Abstract
The utility model relates to an electronic mechanical type and hydraulic type dual-purpose brake, belonging to the technical field of a brake device in an automobile safety system. The electronic mechanical type and hydraulic type dual-purpose brake can be applied in parallel in an electronic mechanical brake system and a hydraulic type brake system simultaneously and also can be independently applied to one of the brake systems. The electronic mechanical type and hydraulic type dual-purpose brake is provided with a central hole on the end surface of a hydraulic cylinder and brake caliper assembly (10) of a traditional hydraulic brake mechanism, and is added with an electronic mechanical type driving mechanism used for directly driving a piston (9) to work; the electronic mechanical type and hydraulic type dual-purpose brake comprises a bearing seat (4) and a moment input shaft (1) installed inside the bearing seat (4) by a thrust bearing (2), wherein a force transmission steel ball (3) embedded into the moment input shaft (1) through the end surface drives a push rod (8) provided with a wedge-shaped end surface; the push rod (8) is installed inside the central hole of the hydraulic cylinder and brake caliper assembly (10) by a key (5), and is contacted with the piston (9); and the bearing seat (4) is fixedly connected with the hydraulic cylinder and brake caliper assembly (10). The brake has simple structure, rapid response speed and high reliability.
Description
Affiliated technical field
The utility model relates to the braking device in the automobile safety system, relates in particular to a kind of suitable speed of response is fast, reliability is high electronic mechanical and hydraulic two-purpose brake.
Background technique
Braking system is the safety guarantee of automobile running reliably.Traditional hydraulic type braking system adopts the measure of double loop brake fluid greatly to ensure the reliability of brake system of car.And the hydraulic type brake system structure is simple, and stable performance is widely used among the various automobiles.But the hydraulic type braking system is regulated pressure by brake master cylinder, and moment responses speed is slow, under emergency work condition, can not satisfy the braking ability requirement (world car 2003.1,27-28).Because of braking response speed slowly the automobile high-speed rear-end collision can take place, when turning the corner at full speed vehicle side turning accident etc. can take place.Therefore, in order further to improve the automobile braking safety performance, it is popular that electric controlled brake system becomes research.Electric controlled brake system comprises electronics hydraulic-braking system and mechanical type brake system electric, and latter's speed of response is faster.
The electronics hydraulic-braking system is made up of electronic brake pedal module, electronic control unit (ECU), hydraulic control unit (HCU), sensor and information network parts such as (CAN).Its break adopts the conventional hydraulic break, and is simple in structure, and the reliability height is regulated pressure of wheel braking cylinder by electronic control unit and hydraulic control unit, and speed of response is faster than conventional hydraulic braking system.But the system architecture complexity adopts liquid transfer power still to limit brake system response speed, and parking braking system that need be special (automotive engineering 2006, Vol.28, No.2,105-112).
The electronic mechanical break can be distributed to the braking force of each optimum wheel; The break speed of response is fast, is quick on the draw, and braking ability is stable, can shorten stopping distance; And be easy to realize anti-lock braking system in automobiles (ABS), Electronic Stability Program (ESP) (ESP) and electronics Parking functions such as (EPB).But the brake structural complexity needs design to rotatablely move and is converted into straight-line proprietary mechanism, and is very high to motor and retarder performance and size requirement.Its greatest problem that faces is exactly how to develop lightly low-cost so that the break of the disappointed interior small space of wheel of can packing into.Therefore, mechanical type brake system electric uses in actual automobile also needs a period of time (world car 2003.1,27-28).
The model utility content
For the speed of response that overcomes hydraulic brake reaches the deficiency that electronic mechanical brake structural complexity, reliability are difficult to ensure slowly, the utility model discloses a kind of simple in structure, speed of response is fast, reliability is high electronic mechanical and hydraulic two-purpose brake, can also can a kind of therein mode use separately in mechanical type brake system electric and the application in parallel simultaneously of hydraulic type braking system.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of electronic mechanical and hydraulic two-purpose brake, can be in mechanical type brake system electric and the application in parallel simultaneously of hydraulic type braking system, also can a kind of therein mode use separately, it comprises the conventional hydraulic arrestment mechanism of being made up of the oil hydraulic cylinder that has oil inlet hole and brake caliper assy, piston, brake pad, it is characterized in that: the center hole that the oil hydraulic cylinder of above-mentioned conventional hydraulic formula arrestment mechanism and brake caliper assy end face have; This two-purpose brake also comprises the electronic mechanical driving mechanism of direct promotion pistons work, it comprises bearing support and is installed on the track bar that power transmission steel ball that moment input shaft in the bearing support, moment input shaft embed by end face promotes band wedge shape end face by thrust-bearing, and track bar is installed on by key in the center hole of above-mentioned oil hydraulic cylinder and brake caliper assy end face and with piston and contacts; Bearing support is fixedlyed connected with oil hydraulic cylinder and brake caliper assy.
Above-mentioned electronic mechanical and hydraulic two-purpose brake, it is characterized in that: above-mentioned moment input shaft end face is embedded with the power transmission steel ball and realizes in the following manner: moment input shaft end face diameter is to having the steel ball putting hole, after putting into steel ball, fix by the annulus that cooperates with the moment input shaft.
The beneficial effects of the utility model are:
1. two-purpose brake of the present utility model is simple in structure.On conventional hydraulic floating tong type break basis, increased the electronic mechanical driving mechanism.This driving mechanism comprises moment input shaft, track bar and bearing support.Torque input shaft capacity torque motor is through the moment of torsion of main reducing gear output, the wedge shape end face that power transmission steel ball and track bar are housed in the torque input shaft end face moves mutually, the rotation of torque input shaft is converted to the straight line motion of track bar, promotes piston, and have reinforcement effect; Reaction force pushing shaft bearing and floating clamp that it is axial.Thereby form piston and floating clamp relative movement, drive inside and outside brake pad and compress brake disc, produce braking moment.Motor and retarder can be connected by the mode of elastic coupling flexible coupling and key with break, have weakened the performance requirement and the size installation requirement of motor and retarder.
2. two-purpose brake speed of response of the present utility model is fast.Parallel way is adopted in electric mechanical braking and hydraulic braking, and when detecting automobile and be in danger, electric mechanical braking is response rapidly, produces thrust.And adopt steel ball wedge shape end face mechanism faster in the brake structural than ball screw framework speed of response.
3. two-purpose brake reliability height of the present utility model.Parallel way is adopted in electric mechanical braking and hydraulic braking, when electromechanical braking system lost efficacy, can not influence the reliability of hydraulic braking.All adopt traditional simple and mechanical mechanism in the break, guarantee the reliability of each parts; The motor input torque is opposite to the moment of reaction direction of brake calipers with brake pad, can alleviate the torque load of brake-caliper support connecting bolt; Can select the motor and the reducing gear of high reliability for use.Electronic mechanical braking in parallel is easy to realize anti-lock braking system in automobiles (ABS), Electronic Stability Program (ESP) (ESP), electronics Parking functions such as (EPB), further improves the Safety performance of break.
Description of drawings
Fig. 1 is a principle schematic of the present utility model.
Fig. 2 is a torque input shaft sectional structural map of the present utility model.Fig. 2-the 1st wherein, torque input shaft plan view, Fig. 2-the 2nd, torque input shaft right elevation.
Fig. 3 is a track bar sectional structural map of the present utility model.Fig. 3-the 1st wherein, track bar pushed away the end face plan view, Fig. 3-the 2nd, A-A is to sectional view.
Fig. 4 is a bearing support sectional structural map of the present utility model.Fig. 4-the 1st wherein, the plan view of bearing support, Fig. 4-the 2nd, the right elevation of bearing support.
Number in the figure title: 1. torque input shaft; 2. thrust-bearing; 3. power transmission steel ball; 4. bearing support; 5. key; 6. seal ring; 7. oil inlet hole; 8. track bar; 9. piston; 10. oil hydraulic cylinder and brake caliper assy; 11. brake pad; 12. brake disc; 13. annulus.
Embodiment
Further specify below in conjunction with the enforcement of accompanying drawing model utility.
Fig. 1 is a principle schematic of the present utility model.According to shown in Figure 1, the oil hydraulic cylinder end face of the oil hydraulic cylinder and the pincers assembly 10 that floats is opened two holes, an oil inlet hole that is connected with hydraulic oil pipe 7, and another is used to place track bar 8 in the hole of oil hydraulic cylinder central position.When the hydraulic type braking system acts, brake petal makes the oil hydraulic cylinder internal pressure increase by brake main pump and hydraulic oil pipe, promotes piston 9 and pincers 10 relative movement of floating, and makes brake pad 11 compress brake disc 12 and produces braking moment.When mechanical type brake system electric works, torque motor and retarder output torque produce thrust promotion piston 9 through torque input shaft 1 and track bar 8, the track bar deboost sits 4 through thrust-bearing 2 and bearing, drive oil hydraulic cylinder and brake caliper assy 10 and piston 9 relative movement, make brake pad 11 compress brake disc 12 and produce braking moment.Seal by seal ring 6 and dust-proof cover between track bar 8 and oil hydraulic cylinder and the brake caliper assy 10 and prevent dust, piston 9 ends are provided with stiffening rib, can not damage piston 9 to guarantee the concentrated thrust that track bar 8 produces.Oil hydraulic cylinder and brake caliper assy 10 are fixedlyed connected with bearing support, when the outbreak of input torque and braking force is reverse with moment, can the partial offset oil hydraulic cylinder and the moment of reaction of brake caliper assy 10 and brake-caliper support connecting bolt and brake-caliper support and knuckle connecting bolt, alleviate bolt load.The brake clearance automatic regulating apparatus is the same with conventional hydraulic formula floating clamp break, adopts the resilient dust boot structure to realize.
Fig. 2 is a torque input shaft assembly tectonic maps of the present utility model.Torque input shaft 1 is connected with torque motor and retarder by key, the moment of capacity torque motor and retarder output.The input shaft end face is opened three radial holes, puts into power transmission steel ball 3, and the annulus 13 that has internal thread is radially fixing steel ball 3.Under input shaft 1 and track bar 8 hands-off situations, satisfy the requirement of break range.Simple in structure like this, reliable.
Fig. 3 is a track bar sectional structural map of the present utility model.Track bar 8 end faces are three sphenoid surface, and sphenoid surface guarantees hardness through Overheating Treatment.When input shaft 1 was accepted 3 rotations of torque drive steel ball, steel ball and sphenoid surface compressed, and produce axial thrust load and make track bar 8 straight line motions promote piston, can realize that rotatablely moving of input shaft 1 is converted to the straight line motion of track bar 8.The angle of inclination of sphenoid surface can guarantee to satisfy the requirement of break range, can play reinforcement effect again.This is simple in structure, speed of response is fast, reliable.
Fig. 4 is a bearing support sectional structural map of the present utility model.Bearing support is three claw type structures, fixedlys connected with oil hydraulic cylinder assembly 10.Input shaft 1 is bearing on the bearing support by thrust-bearing 2, guarantee the moment of 1 capacity torque motor of input shaft and retarder output, input shaft reaction force and moment are born by bearing support 2, can oppositely not pass to torque motor and retarder, weaken the designing requirement of torque motor and retarder performance and installation dimension.Such structure had both alleviated brake weight, avoided again arranging the generation interference with hydraulic oil pipe.
Claims (2)
1. electronic mechanical and hydraulic two-purpose brake, can be in mechanical type brake system electric and the application in parallel simultaneously of hydraulic type braking system, also can a kind of therein mode use separately, it comprises the conventional hydraulic arrestment mechanism of being made up of the oil hydraulic cylinder that has oil inlet hole (7) and brake caliper assy (10), piston (9), brake pad (11), it is characterized in that: the center hole that the oil hydraulic cylinder of above-mentioned conventional hydraulic formula arrestment mechanism and brake caliper assy (10) end face have; This two-purpose brake also comprises the electronic mechanical driving mechanism of direct promotion piston (9) work, it comprises bearing support (4) and is installed on the track bar (8) that moment input shaft (1) in the bearing support (4), power transmission steel ball (3) that moment input shaft (1) embeds by end face promote band wedge shape end face by thrust-bearing (2), and it is interior and contact with piston (9) that track bar (8) is installed on the center hole of above-mentioned oil hydraulic cylinder and brake caliper assy (10) end face by key (5); Bearing support (4) is fixedlyed connected with oil hydraulic cylinder and brake caliper assy (10).
2. electronic mechanical according to claim 1 and hydraulic two-purpose brake, it is characterized in that: above-mentioned moment input shaft (1) end face is embedded with power transmission steel ball (3) and realizes in the following manner: moment input shaft (1) end face radially has the steel ball putting hole, after putting into steel ball, fixing by the annulus (13) that cooperates with moment input shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200485492U CN201593576U (en) | 2009-10-23 | 2009-10-23 | Electronic mechanical type and hydraulic type dual-purpose brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200485492U CN201593576U (en) | 2009-10-23 | 2009-10-23 | Electronic mechanical type and hydraulic type dual-purpose brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593576U true CN201593576U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200485492U Expired - Fee Related CN201593576U (en) | 2009-10-23 | 2009-10-23 | Electronic mechanical type and hydraulic type dual-purpose brake |
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|---|---|
| CN (1) | CN201593576U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513410A (en) * | 2019-08-20 | 2019-11-29 | 浙江师范大学 | A kind of hydraulic brake-by-wire device of electric mechanical |
| CN110513409A (en) * | 2019-08-20 | 2019-11-29 | 浙江师范大学 | A kind of brake-by-wire device |
| CN110541898A (en) * | 2019-08-20 | 2019-12-06 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN110552979A (en) * | 2019-08-20 | 2019-12-10 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN110566603A (en) * | 2019-08-20 | 2019-12-13 | 浙江师范大学 | Wire control actuator |
| CN110578760A (en) * | 2019-08-20 | 2019-12-17 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
-
2009
- 2009-10-23 CN CN2009200485492U patent/CN201593576U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513410A (en) * | 2019-08-20 | 2019-11-29 | 浙江师范大学 | A kind of hydraulic brake-by-wire device of electric mechanical |
| CN110513409A (en) * | 2019-08-20 | 2019-11-29 | 浙江师范大学 | A kind of brake-by-wire device |
| CN110541898A (en) * | 2019-08-20 | 2019-12-06 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN110552979A (en) * | 2019-08-20 | 2019-12-10 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN110566603A (en) * | 2019-08-20 | 2019-12-13 | 浙江师范大学 | Wire control actuator |
| CN110578760A (en) * | 2019-08-20 | 2019-12-17 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN110566603B (en) * | 2019-08-20 | 2021-02-02 | 浙江师范大学 | Wire control actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20111023 |