CN103603890A - Actuating mechanism of hydraulic automatic clutch - Google Patents
Actuating mechanism of hydraulic automatic clutch Download PDFInfo
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- CN103603890A CN103603890A CN201310552455.XA CN201310552455A CN103603890A CN 103603890 A CN103603890 A CN 103603890A CN 201310552455 A CN201310552455 A CN 201310552455A CN 103603890 A CN103603890 A CN 103603890A
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- gear
- actuator
- worm
- hydraulic automatic
- automatic clutch
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Disclosed is an actuating mechanism of a hydraulic automatic clutch. The actuating mechanism comprises a master cylinder, a driving mechanism and a position detection device, an output end of the driving mechanism is connected with a piston of the master cylinder, the position detection device is used for detecting moving information of the driving mechanism, the driving mechanism comprises a transmission box, a driving member, a pair of worm-gear mechanism, a limiting device and a pair of gear-rack mechanism, the driving member is arranged on a first outer side face of the transmission box, the worm-gear mechanism is mounted in an inner cavity of the transmission box, a worm of the worm-gear mechanism is connected with an output shaft of the driving member, a worm gear of the worm-gear mechanism is an incomplete worm gear and is fixedly arranged on a transmission shaft, one end of the transmission shaft extends out of a second outer side face of the transmission box, the limiting device is arranged in the transmission box and corresponds to one side, without gear teeth, of the worm gear, the gear-rack mechanism is arranged on the second outer side face, a gear of the gear-rack mechanism is fixedly arranged at one end, extending out of the second outer side face, of the transmission shaft, and one end of a rack is connected with the piston through a connecting rod. The actuating mechanism is accurate in clutch positioning, resistant to vibration and good in mechanical structure rigidity.
Description
Technical field
The present invention relates to a kind of actuator of hydraulic automatic clutch.
Background technique
Hydraulic automatic clutch is clutch to be realized to the device of automatic control by modes such as machinery, electronics, hydraulic pressure, and it can calculate best throttle clutch by computer and coordinates, and makes control stability reach best, thereby substitute manpower, carries out clutch operation.There are hydraulic type operating mechanism and electrodynamic mechanical type operating mechanism in the actuator that is applied at present clutch, and wherein hydraulic type operating mechanism stable drive, clutch are in conjunction with soft, and transmission efficiency is high, but it requires high to oil quality, sealing and Environmental Conditions; Electrodynamic mechanical type operating mechanism is simple in structure, and cost is low, and energy consumption is little, but because actuator's ocsillator strenght when working is large, temperature is high, and its life-span is short, and the rotary inertia of drive part is large, location inaccuracy, and clutch is also soft not when engaging.
For above-mentioned technological deficiency, be still necessary existing clutch actuating mechanism to be improved further.
Summary of the invention
The present invention, in order to overcome prior art defect, has invented a kind of actuator of hydraulic automatic clutch, has the advantages such as accurate positioning, anti-vibration and mechanical structure performance are good.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
An actuator for hydraulic automatic clutch, it comprises:
Master cylinder;
Driving mechanism, its output terminal is connected with the piston of described master cylinder;
Position detecting device, it is arranged on described driving mechanism to obtain the position information of clutch by detecting the movable information of driving mechanism;
Wherein: described driving mechanism comprises:
Transmission case;
Actuator, it is arranged on one first outer side surface of described transmission case, and its output shaft is inserted in described transmission case;
A pair of worm-and-wheel gear, it is arranged in described transmission case inner chamber, and its worm screw is connected with the output shaft of described actuator, and its worm gear is an incomplete worm gear; Described worm gear is fixedly installed on a transmission shaft, and described transmission shaft is arranged in described transmission case in rotating mode, and its one end stretches out on transmission case one second outer side surface, and described the second outer side surface is adjacent with described the first outer side surface and mutually vertical;
Limit stoper, it is arranged in described transmission case, and it is corresponding without the gear teeth one side institute with described worm gear;
A pair of pinion and rack, it is arranged on described the second outer side surface, and its gear is fixedly installed on one end that described transmission shaft stretches out in described the second outer side surface, and its tooth bar is slidably arranged on described the second side; Described tooth bar one end is connected with described piston by a connecting rod.
Preferably, described limit stoper is a position limit pin, and when described worm gear reaches capacity stroke, described position limit pin is spacing to realize by the gear teeth of worm gear described in blocking.
Preferably, described position limit pin is provided with buffering adhesive in the both sides for the worm gear gear teeth described in blocking.
Preferably, described tooth bar is slidably sheathed in a guide-track groove being fixedly mounted on described transmission case.
Preferably, described guide-track groove is a hollow rods, is provided with a breach of answering with gear mesh in the middle of it to facilitate wheel and rack engagement.
Preferably, described actuator is a motor.
Preferably, described motor is that a 12V has brushless motor.
Preferably, described clutch position detection device is a corner measuring apparatus, and it is arranged on described the second side to detect the rotation angle of described gear.
Preferably, described corner measuring apparatus meshes by the gear of a measuring gear and described pinion and rack, and by its inner angle transducer, is detected the rotation angle of measuring gear and signal is transported to control system inner analysis and process.
Preferably, on described the second side, be also provided with a pre-tightening apparatus, it comprises:
Fixed base, it is arranged on described the second side, and it is close to one end that described tooth bar is connected with described connecting rod;
Buckling member, it is fixedly installed on one end that described tooth bar is connected with described connecting rod;
Torque spring, it is sheathed on described fixed base, and one extended end is equipped on described drag hook.
Preferably, described buckling member is a drag hook.
The present invention compared with prior art, has following beneficial effect:
1, the worm gear of a kind of boom guy type automatic clutch actuator of the present invention is an incomplete worm gear, and to its limit travel, carry out spacing by position limit pin, the limited pin of transmission inertia of worm and gear is suppressed, thereby make the registration of clutch, and the torque axis carrying on transmission shaft is moved on on position limit pin, reduce the load of transmission shaft, increase mechanism working life.
2, a further advantage of the invention is by buffering adhesive being set in position limit pin both sides, can avoid position limit pin and the not exclusively gear teeth direct collision of worm gear, make position limit pin not fragile.
3, the present invention further advantage be that tooth bar is slidably set in guide-track groove, guide-track groove makes tooth bar realize reposefully straight line motion, prevents from that its vibration because of working environment from producing to beat, and improves mechanical stability and extends tooth bar working life.
4, the present invention further advantage be, by pre-tightening apparatus, the gear teeth of rack and pinion are compressed to engagement toward same direction when each stop motion, thereby while eliminating the engagement of rack and pinion, to cause corner measuring apparatus to be measured accurate not in both wheel backlashes.
5, the present invention further advantage be by worm-and-wheel gear and pinion and rack transmission, compact structure, mechanical rigid is good.
Accompanying drawing explanation
The overall structure schematic diagram of the execution machine that accompanying drawing 1 is hydraulic automatic clutch;
The drive mechanism schematic diagram of the actuator that accompanying drawing 2 is hydraulic automatic clutch;
Accompanying drawing 3 is the left view of the drive mechanism of the actuator of hydraulic automatic clutch shown in accompanying drawing 2.
Wherein: 1, torque spring; 2, fixed base; 3, transmission case; 4, corner measuring apparatus; 5, measuring gear; 6, driving gear; 7, motor; 8, guide-track groove; 9, transmission shaft; 10, tooth bar; 11, drag hook; 12, pull bar; 13, master cylinder; 14, worm gear; 15, worm screw; 16, buffering adhesive; 17, position limit pin; 18, piston
Embodiment
Referring to accompanying drawing and in conjunction with embodiment, further describe the present invention, to make those skilled in the art can implement according to this with reference to specification word, but be to be understood that protection scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present invention " on ", D score, " left side " and " right side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technological scheme of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, a kind of actuator of hydraulic automatic clutch, comprise: transmission case 3, in transmission case 3, be provided with a pair of worm-and-wheel gear, its worm screw 15 drives by motor 7, motor 7 has brushless motor for 12V, therefore it can directly be powered by automobile storage battery, and motor 7 is fixedly installed on the right side outer side wall of transmission case 3, and its output shaft extend in transmission case 3 and is connected to drive worm screw 15 to rotate with worm screw 15, with the worm gear 14 of worm screw 15 engagement driving be an incomplete worm gear, it is fixed on transmission shaft 9, transmission shaft 9 is perpendicular to worm screw 15, transmission shaft 9 is arranged in transmission case 3 in rotating mode by bearing, and its one end stretches out in the upper wall surface of transmission case 3, and this end is fixedly connected with the driving gear 6 that is arranged on a pair of pinion and rack of transmission case 3 upper wall surfaces, driving gear 6 and tooth bar 10 engagement driving, tooth bar 10 is slidably set in guide-track groove 8, guide-track groove 8 is one to be fixed on the hollow rods of both ends open of the upper wall surface of transmission case 3, in the middle of it, be provided with a breach corresponding to driving gear 6 to facilitate driving gear 6 and tooth bar 10 engagements, guide-track groove 8 makes tooth bar 10 can realize reposefully the straight line motion of left and right directions, preventing that its vibration because of working environment from producing beats, the left end of tooth bar 10 is connected with the piston 18 of master cylinder 13.
Transmission case 3 inherences are provided with position limit pin 17 to carry out spacing to the limit travel of worm gear 14 with incomplete worm gears 14 without the gear teeth one side corresponding position, while avoiding motor 7 to stop, because the effect of inertia of motor 7 and driving mechanism causes the driving mechanism excess of stroke, thereby cause clutch location accurate not, and can prevent from increasing the stressed of clutch because of overtravel, the wearing and tearing of aggravation clutch, position limit pin 17 is in stopping that the both sides that described worm gear 14 rotates are provided with buffering adhesive 16 to reduce the striking force of position limit pin 17 and worm gear 14, make position limit pin 17 not fragile.
While coordinating with the gear teeth of driving gear 6 due to tooth bar 10, have a gap, when stopping at every turn, the position of tooth bar 10 and driving gear 6 engagements can be in gap arbitrary position, thereby accurate not while causing the corner of measuring gear 5 of corner measuring apparatus 4, therefore the present invention is also provided with a pre-tightening apparatus at the top of transmission case 3 wall, it comprises: fixed base 2, it is arranged at the top wall of transmission case 3, and it is close to the side of one end that tooth bar 10 is connected with connecting rod 12, on one end that tooth bar 10 is connected with connecting rod 12, be also provided with a drag hook 11, sheathed a torque spring 1 on fixed base 2, and one extended end is equipped on drag hook 11.Torque spring can be driving gear 6 during with tooth bar 10 stop motion, the gear teeth of tooth bar 10 are pushed toward a side, while making to stop at every turn, tooth bar 10 is all engaged in a side in gap with the gear teeth of driving gear 6, accurate not thereby the wheel backlash while eliminating the engagement of tooth bar 10 and driving gear 6 causes corner measuring apparatus 4 to be measured.
Working procedure of the present invention is:
Separating action: when control system detects Gear-shift switch while being pressed (having shift signal), it controls outputting drive voltage makes motor 7 drive worm screw 15 to rotate, worm screw 15 drives worm gear 14 to rotate counterclockwise, because driving gear 6 is coaxial with worm gear 14, so driving gear 6 also rotates counterclockwise and drives the tooth bar 10 being arranged in guide-track groove 8 to move to the right, tooth bar 10 drives piston to move to the right to the right by pull bar 12, thereby it is separated with speed changer by the oil pressure that regulates master cylinder to carry to hydraulic system, to drive release bearing to order about clutch.When clutch is in complete separated state, corner measuring apparatus 4 output signals stop to motor 7 outputting drive voltages control system, motor 7 quits work, worm gear 14 rotational limitation stroke now, the starting point of its left side gear teeth buffering adhesive 16 other with position limit pin 17 contacts, thereby position limit pin 17 can stop worm gear 14 and be rotated further because of effect of inertia, avoid worm gear 14 excess of stroke, and worm-and-wheel gear has auto-lock function, be that worm screw 15 can drive worm gear 14 to rotate, and worm gear 14 cannot drive worm screw 15 to rotate, thereby make clutch locking in complete separated state, separated registration, and whole separation process needed time is no more than 0.6 second.
In conjunction with action: clutch need in conjunction with time, control system outputting drive voltage clockwise rotates motor 7, and by worm screw 15, the transmission of worm gear 14 and driving gear 5, drive tooth bar 10 to drive piston to move to the left in master cylinder by connecting rod 12, with the oil pressure that regulates master cylinder to carry to hydraulic system, make clutch and speed changer carry out combination, in cohesive process, control system can gather automobile various work state informations as engine rotational speed signal according to automobile controller, Vehicle Speed signal, clutch position signal and throttle signal etc. are handled actuator makes clutch carry out combination action according to the real-time required speed of automobile.When corner measuring apparatus 4 detects clutch and has been in complete binding site, control system stops to motor 7 outputting drive voltages, motor 7 quits work, under the auto-lock function effect of position limit pin 17 and worm-and-wheel gear, clutch locking, at complete bonding state, makes clutch in conjunction with soft.
Disclosed is above only specific embodiments of the invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. an actuator for hydraulic automatic clutch, it comprises:
Master cylinder;
Driving mechanism, its output terminal is connected with the piston of described master cylinder;
Position detecting device, it is arranged on described driving mechanism to obtain the position information of clutch by detecting the movable information of driving mechanism;
It is characterized in that: described driving mechanism comprises:
Transmission case;
Actuator, it is arranged on one first outer side surface of described transmission case, and its output shaft is inserted in described transmission case;
A pair of worm-and-wheel gear, it is arranged in described transmission case inner chamber, and its worm screw is connected with the output shaft of described actuator, and its worm gear is an incomplete worm gear; Described worm gear is fixedly installed on a transmission shaft, and described transmission shaft is arranged in described transmission case in rotating mode, and its one end stretches out on transmission case one second outer side surface, and described the second outer side surface is adjacent with described the first outer side surface and mutually vertical;
Limit stoper, it is arranged in described transmission case, and it is corresponding without the gear teeth one side institute with described worm gear;
A pair of pinion and rack, it is arranged on described the second outer side surface, and its gear is fixedly installed on one end that described transmission shaft stretches out in described the second outer side surface, and its tooth bar is slidably arranged on described the second side; Described tooth bar one end is connected with described piston by a connecting rod.
2. the actuator of hydraulic automatic clutch according to claim 1, is characterized in that: described limit stoper is a position limit pin, and when described worm gear reaches capacity stroke, described position limit pin is spacing to realize by the gear teeth of worm gear described in blocking.
3. the actuator of hydraulic automatic clutch according to claim 2, is characterized in that: described position limit pin is provided with buffering adhesive in the both sides for the worm gear gear teeth described in blocking.
4. the actuator of hydraulic automatic clutch according to claim 1, is characterized in that: described tooth bar is slidably sheathed in a guide-track groove being fixedly mounted on described transmission case.
5. the actuator of hydraulic automatic clutch according to claim 4, is characterized in that: described guide-track groove is a hollow rods, is provided with a breach of answering with gear mesh in the middle of it to facilitate wheel and rack engagement.
6. the actuator of its hydraulic automatic clutch according to claim 1, is characterized in that: described actuator is a motor.
7. the actuator of its hydraulic automatic clutch according to claim 6, is characterized in that: described motor is that a 12V has brushless motor.
8. the actuator of its hydraulic automatic clutch according to claim 1, is characterized in that: described clutch position detection device is a corner measuring apparatus, and it is arranged on described the second side to detect the rotation angle of described gear.
9. the actuator of its hydraulic automatic clutch according to claim 8, is characterized in that: on described the second side, be also provided with a pre-tightening apparatus, it comprises:
Fixed base, it is arranged on described the second side, and it is close to one end that described tooth bar is connected with described connecting rod;
Buckling member, it is fixedly installed on one end that described tooth bar is connected with described connecting rod;
Torque spring, it is sheathed on described fixed base, and one extended end is equipped on described drag hook.
10. the actuator of its hydraulic automatic clutch according to claim 9, is characterized in that: described buckling member is a drag hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552455.XA CN103603890A (en) | 2013-11-08 | 2013-11-08 | Actuating mechanism of hydraulic automatic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552455.XA CN103603890A (en) | 2013-11-08 | 2013-11-08 | Actuating mechanism of hydraulic automatic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103603890A true CN103603890A (en) | 2014-02-26 |
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ID=50122138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310552455.XA Pending CN103603890A (en) | 2013-11-08 | 2013-11-08 | Actuating mechanism of hydraulic automatic clutch |
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| Country | Link |
|---|---|
| CN (1) | CN103603890A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939496A (en) * | 2014-04-10 | 2014-07-23 | 苏州紫荆清远新能源汽车技术有限公司 | AMT clutch actuating mechanism |
| CN105882667A (en) * | 2016-05-04 | 2016-08-24 | 淮南矿业(集团)有限责任公司 | Driving mode conversion and locking device of underground novel rack rail vehicle |
| CN112146876A (en) * | 2020-09-22 | 2020-12-29 | 长春一东离合器股份有限公司苏州研发中心 | Push rod displacement monitoring mechanism of vehicle clutch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080271563A1 (en) * | 2005-03-17 | 2008-11-06 | Franco Liu | Folding Shooter Bench |
| CN102062165A (en) * | 2010-12-23 | 2011-05-18 | 重庆青山工业有限责任公司 | Mechanical guyed automatic transmission clutch execution mechanism |
| CN102297219A (en) * | 2011-08-26 | 2011-12-28 | 中国嘉陵工业股份有限公司（集团） | Electric control device of clutch |
| CN203685931U (en) * | 2013-11-08 | 2014-07-02 | 南宁市西真电子科技开发有限公司 | Actuating mechanism of hydraulic automatic clutch |
-
2013
- 2013-11-08 CN CN201310552455.XA patent/CN103603890A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080271563A1 (en) * | 2005-03-17 | 2008-11-06 | Franco Liu | Folding Shooter Bench |
| CN102062165A (en) * | 2010-12-23 | 2011-05-18 | 重庆青山工业有限责任公司 | Mechanical guyed automatic transmission clutch execution mechanism |
| CN102297219A (en) * | 2011-08-26 | 2011-12-28 | 中国嘉陵工业股份有限公司（集团） | Electric control device of clutch |
| CN203685931U (en) * | 2013-11-08 | 2014-07-02 | 南宁市西真电子科技开发有限公司 | Actuating mechanism of hydraulic automatic clutch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939496A (en) * | 2014-04-10 | 2014-07-23 | 苏州紫荆清远新能源汽车技术有限公司 | AMT clutch actuating mechanism |
| CN105882667A (en) * | 2016-05-04 | 2016-08-24 | 淮南矿业(集团)有限责任公司 | Driving mode conversion and locking device of underground novel rack rail vehicle |
| CN112146876A (en) * | 2020-09-22 | 2020-12-29 | 长春一东离合器股份有限公司苏州研发中心 | Push rod displacement monitoring mechanism of vehicle clutch |
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Application publication date: 20140226 |