Automatic clutch

FIELD: transport.

SUBSTANCE: invention relates to machine building, namely, to automatic clutches. Automatic clutch comprises casing coupled with flywheel and incorporating hydraulic cylinders, shoes with friction linings, two drive disks fitted on inner and outer primary shafts. Clutch casing with axial bore and three openings on lateral surface is attached to fly wheel working surface. Thrust ring is attached to casing inner surface. Driven disk made up of splined hub is fitted on gearbox primary shaft splines between working surfaces of flywheel and thrust ring. Disk whereto auxiliary disk and support disk are attached is arranged on hub front surface. Toroidal cavity chambers whereto support rings are attached are secured on periphery on its both sides. Working body is forced into toroidal camber cavities via control valve in response to control signal from microcontroller. Every support ring accommodates shoes that make elements for transmitting torque from flywheel and thrust ring to driven disk. Support ring surface has threaded bore to communicate toroidal chamber cavities with T-joint screwed therein. Valve is screwed onto one threaded bore of said T-joint while flexible high-pressure hose is screwed and another one.

EFFECT: simplified design.

4 cl, 1 dwg

 

The invention relates to mechanical engineering and can be used in automotive power units General and special purpose.

Automated clutch contains pads with friction linings, two slave drive installed on both inner and outer primary shaft with the location of the working surface between the thrust rings and the friction surfaces of the pads according to the invention, the clutch cover with the axial hole and three Windows on the side forming attached to the working surface of the flywheel and the inner plane of the casing attached to the thrust ring, which is its working plane facing the plane of the flywheel, while between the working surfaces of the flywheel and bearing on the splined shaft of the gearbox, mounted the clutch disc, which is a hub with slots for mounting on the drive shaft and the inner cylindrical cavity under the seals of the sealing device, and a flange made in the front of the hub and to which, on both sides, attached, with the possibility of angular displacement and auxiliary friction disk and disk-based, with all three elements, namely the flange and the disk made a combined window in which is mounted a damping spring or rubber elastic the ways, and on the peripheral part of the disk-base, on both sides, attached toroidal volume chamber, interconnected through holes formed in the disk-base and sides forming a toroidal chambers to the outer side surfaces which are attached to the bearing ring, in which a radial guides in the form of, for example, dovetail for mounting and fixing of the friction pads with the pads in contact with the working surfaces of the flywheel and bearing upon filing of the working fluid in the cavity toroidal chambers, under pressure, through the control valve when the flow control signal from the microcontroller, than reach the smooth integration clutch, with each bearing ring is installed, for example, three pads at an angle of 120 relative to each other, in addition, on the plane of the support ring facing the working surface of the thrust ring between the friction pads, threaded hole of the connecting cavity toroidal volume chamber with screwed-in tee, in one of the tapped holes which is screwed into the valve for a pumping system, and the second - flexible high-pressure hose that is associated with a radial threaded hole made in the wall of the cylindrical cavity of the hub of the slave disk, between the sealing gasket, the us is set out in the inner part of the hub and having contact with their working edges with the cylindrical surface of the shaft, on either side of the radial holes connecting the cavity of the hub with an axial channel of the primary shaft, and the second radial hole of the axial channel of the shaft is connected with similar sealing device mounted in the tide of the clutch housing around the shaft, and through a passage in the tide in the form of ribs, printed out and ends threaded hole of the inlet fitting in the discharge line.

The source pressure of the working fluid can serve as a hydraulic pump of individual hydraulic system or can be used for oil pressure engine or transmission, and compressed air of the pneumatic system.

When this axial channel of the primary shaft can be withdrawn in the direction of the flywheel and is connected with the lubrication system of the engine through the cavity in the recess of the flange of the crankshaft, and is sealed by a seal that is installed in the seat of the niche and its working edge in contact with the cylindrical surface of the end of the shaft.

Also the clutch cover can be divided into two cavities extra thrust ring fixed in the middle part of the casing, and in each of the cavities has a driven disk, which through the hub with splines mounted on the splined portion of one of the two primary shafts transmission with coaxial their RA is the position while the inlet channel of the outer shaft is directed in the direction of transmission to the inlet of the sealing device is made in the case of the front wall of the gearbox, and the inlet channel of the inner primary shaft pointing towards the flywheel to lead sealing device, designed in a recess of the crankshaft.

At the same time as the damping elements instead of springs can be used rubber elastic elements.

As a working body can be used with compressed air.

Description of the invention

Known two clutch (LCA) disk type, in the form of a master and two slave elements located between the pressure disk and the switching mechanism with two disk springs (see patent RU 2292495 C1 IPC F16D 13/44 "clutch", Bazhenov, S. p., and others, LGTU. No. 20051244/11 from 01.08.2005. Bull. No. 3 dated 27.01.2007,). The main disadvantage of this technical solution is to decrease the magnitude of the transmitted torque as the friction linings wear; the lack of a mechanism to compensate for wear of the friction linings of the slave disk; the complexity of the design of the switching mechanism.

Also known twin clutch (LCA) disk type (see patent RU 2357125 C1 IPC F16D 13/60 "two clutch", Grabovsky A.A., Lomovtsev P.A. PTU. No. 207134640/11 dated 17.09.2007, Bull. No. 15 dated 27.05.2009)designed to transmit torque from the internal combustion engine to the transmission. The clutch housing is made in the form of a shell, inside of which there are three tide, located at an angle of 120 relative to each other, with equal intervals between them. In each of tides performed on two cylinders, aimed at diametrically opposite directions and are offset from each other, in which are pistons, the surface of which is made of a sealing ring grooves. In each of the cylinders is made trapezoidal groove in the sealing ring, which has the function of the return of the piston due to its own elastic deformation. To the clutch housing attached two rings with three similarly spaced tides. On the outer surface of the body is the crown which engages with a corresponding internal crown, made in the flywheel housing. Outside on the housing of the clutch installed sealing device made in the form of shells, with the inner side of which are mounted four cuffs with three retaining rings, forming together with the case of coupling two cavities, in which a hose is supplied working fluid.

In the specified VMI as material weaknesses means you can select the aspects of the number of parts, members of the clutch, the complexity of the replacement parts (friction pad); the complexity of the use in power plants based on internal combustion engine with two crankshafts.

The technical result of the invention is to simplify the design and increase the performance of the power plant due to the simplification of the mechanism on and off, as well as reducing the number of parts used, which, in turn, leads to an increase in economic and environmental performance, and in addition, automation of the process shift manual transmission with coaxial or posted to a primary shaft (for internal combustion engines with two parallel crank shafts), with the aim of increasing consumer qualities vehicles, respectively, with paired or single slave shafts.

This is achieved by the fact that in an automated clutch, containing pads with friction linings, two slave drive installed on both inner and outer primary shaft with the location of the working surface between the thrust rings and the friction surfaces of the pads according to the invention, the clutch cover with the axial hole and three Windows on the side forming attached to the working surface of the flywheel and the inner plane of the casing attached to the retaining ring, which his working ploskostopie to the plane of the flywheel, between the working surfaces of the flywheel and bearing on the splined shaft of the gearbox, mounted the clutch disc, which is a hub with slots for mounting on the drive shaft and the inner cylindrical cavity under the seals of the sealing device, and a flange made in the front of the hub and to which, on both sides, attached, with the possibility of angular displacement and auxiliary friction disk and disk-based, with all three elements, namely the flange and the disk made a combined window in which is mounted a damping spring, and on the peripheral part disk-base, on both its sides attached toroidal volume chamber, interconnected through holes formed in the disk-base and sides forming a toroidal chambers to the outer side surfaces which are attached to the bearing ring, in which a radial guides in the form of, for example, dovetail for mounting and fixing of the friction pads with the pads in contact with the working surfaces of the flywheel and bearing, with the bearing ring is installed, for example, three pads at an angle of 120 relative to each other, in addition, on the plane of the support ring facing the working surface of the thrust ring, the friction between pads, threaded hole of the connecting cavity toroidal volume chambers with screwed-in tee, in one of the tapped holes which is screwed into the valve for a pumping system, and the second - flexible high-pressure hose that is associated with a radial threaded hole made in the wall of the cylindrical cavity of the hub of the slave disk, between the sealing gaskets mounted in the inner part of the hub and having contact with their working edges with the cylindrical surface of the shaft, on either side of the radial holes connecting the cavity of the hub with an axial channel of the primary shaft, and the second radial hole of the axial channel of the shaft is connected with similar sealing device mounted in the tide of the clutch housing around the shaft, and through a passage in the tide in the form of ribs, printed out and ends threaded hole of the inlet fitting in the discharge line.

The source pressure of the working fluid can serve as a hydraulic pump of individual hydraulic system or can be used for oil pressure engine or transmission, and compressed air of the pneumatic system.

When this axial channel of the primary shaft can be withdrawn in the direction of the flywheel and is connected with the lubrication system of the engine through the cavity in either the e flange of the crankshaft and sealed by a seal, installed in the seat of the niche and its working edge in contact with the cylindrical surface of the end of the shaft.

Also the clutch cover can be divided into two cavities extra thrust ring fixed in the middle part of the casing and in each of the cavities has a driven disk, which through the hub with splines mounted on the splined portion of one of the two primary shafts transmission with coaxial their location, with the inlet channel of the outer shaft is directed in the direction of transmission to the inlet of the sealing device is made in the case of the front wall of the gearbox, and the inlet channel of the inner primary shaft pointing towards the flywheel by moving the sealing device is made in a recess of the crankshaft.

At the same time as the damping elements instead of springs can be used rubber elastic elements.

As a working body can be used with compressed air.

The drawing shows a General view of the automatic clutch in the section.

The claimed technical solution is a casing 1 with an axial hole and three Windows on the side forming attached to the working surface of the flywheel 2 by bolts 3, and the inner plane of the casing 1 is attached, by means of bolts 4, pornoe ring 5, which its working plane facing the plane of the flywheel 2. On the splined shaft 6 transmission mounted the clutch disc, which is a hub 7 with slots on the inner surface and the inner cylindrical cavity located therein seals 8 outlet sealing device. On the front of the hub 7 is made in one piece with the hub flange, to which is riveted on both sides of the auxiliary disc 9 and the disk base 10, with the possibility of their angular displacement and friction on the working surface of the flange, while all three elements are combined window, in which are mounted a damping coil springs or rubber elements 11. On the peripheral part of the disk base 10, on both sides, attached toroidal volume of the chamber 12, to the outer side surfaces which are attached to the supporting ring 13. It should be noted that the cavity toroidal chambers 12 are connected by holes formed in the inner side and forming the wall of the drive base 10. On the end planes of these rings 9 a radial guides in the dovetail for mounting and fixing of the friction pads 14, with each bearing ring 9 is installed, for example, three pads at an angle of 120 relative to each other, anlaysis the elements transmit torque from the flywheel 2 and the thrust ring 5 on the clutch disc. On the plane of the bearing ring 13 between the friction pads 14, the threaded hole of the connecting cavity toroidal volume chambers 12 tee 15. In one of the tapped holes of the tee 15 is screwed into the valve 16 for pumping systems (air removal), and the second - flexible high-pressure hose 17 connected with a radial threaded hole made in the wall of the cylindrical cavity of the hub 7 of the slave disk, between the sealing gasket 8. The seals 8 are pressed into the seat cavity of the hub 7, thus providing communication between the axial channel of the primary shaft 6 and a high-pressure hose 17 through a radial hole in the shaft body between the seals. The second radial hole connects the channel of the primary shaft 6 with the same inlet sealing device made in the tide of the clutch housing and connected with the hydraulic system pressure line. The source pressure of the working fluid can serve as a hydraulic pump individual hydraulic or can be used for oil pressure engine or transmission.

Automatic clutch operates as follows. In the initial state, the clutch is off, the toroidal volume of the chamber 12 is filled with oil and the whole system is pumped, via the valve 16 of the tee 15 is removed from the system air. When using the years as the working fluid compressed air toroidal chamber carry out the role of pneumacare and in the initial state, the pressure inside the chambers is atmospheric. After starting the engine and its partial or complete warm-up before the three-position solenoid control valve connecting the toroidal cavity of the slave disk with a discharge or return line or locking them in the middle position, creating pressure from the oil system (air pressure). When turning on the first transfer, and increasing the frequency of rotation of the crankshaft starts to pull away. The microcontroller supplies the control signal to the actuator of the control valve through which pressure fluid or air through a pipeline that goes through the nozzle in the case of coupling to the sealing of the inlet device in the tide of the clutch housing. Further pressure through the connection and the Central axial channel of the primary shaft 6, is delivered to the outlet sealing device in the hub 7 of the slave disk, and then through the nozzle and the high pressure hose 17 through the tee 15, enters the cavity toroidal volume chambers 12. The pressure of the working fluid on the wall of the toroidal volume of the chambers 12 deforms them, by preload attached the friction pads 14 to the flywheel 2 and the thrust ring 5, providing a soft start clutch. After starting the car in first gear and set a certain speed, the microcontroller sends the command to switch to the second re is the ache. Is the drain pressure of the cavity toroidal volume of the chambers 12, thus there is the challenge of the friction pads 14 of the flywheel 2 and the thrust ring 5, which provides the gap of power flow and after turning off the first and the inclusion of the second transmission command is issued to activate the clutch. When you enable subsequent transmission process is similar. However, in case of implementation of this clutch use the two primary shafts or internal combustion engine with two crankshafts, the first and second transfer executed on the various shafts are included simultaneously. And, after a set speed in first gear, going off of one clutch and almost instantly the inclusion of a second, which provides the gear without breaking the flow of power. Then turn off the first transfer occurs simultaneous inclusion of third gear, preparing the box to a further change of the gear ratio and speed. If zero or negative acceleration dynamics, the reverse gear.

The effect of the use of the invention is that it simplifies the construction of the power plant by reducing the number of parts, and also by reducing the switching time, which, in turn, leads to an increase in economic, dynamic and ecological until the of Atala.

Additionally, this solution allows you to automate the process of shifting manual transmission and thereby improve consumer quality vehicles, particularly buses with manual transmission.

In addition, this solution can be used with success in the engine with dual crankshaft.

1. Automated clutch, comprising a housing coupling associated with the flywheel and blended hydraulic cylinders with pistons and sealing device pads with friction linings, two slave drive installed on both inner and outer primary shaft with the location of the working surface between the thrust rings and the friction surfaces of the pads, wherein the clutch cover with the axial hole and three Windows on the side forming attached to the working surface of the flywheel and the inner plane of the casing attached to the thrust ring, which is its working plane facing the plane of the flywheel, while between the working surfaces of the flywheel and bearing on the splined shaft of the gearbox, mounted the clutch disc, which is a hub with slots for mounting on the drive shaft and the inner cylindrical cavity under the seals of the sealing device and the flange, done is authorized in front of the hub and to which, with both sides attached with the possibility of angular displacement and auxiliary friction disk and disk-based, with all three elements, namely the flange and the disk made a combined window, in which is mounted a damping spring or rubber elastic elements, and the peripheral part of the disk base, on both its sides attached toroidal volume chamber, interconnected through holes formed in the disk-base and sides forming a toroidal chambers to the outer side surfaces which are attached to the bearing ring, in which a radial guides in the form of, for example, "swallow tail" for installation and fixing of the friction pads with the pads in contact with the working surfaces of the flywheel and bearing upon filing of the working fluid in the cavity toroidal chambers, under pressure, through the control valve when the flow control signal from the microcontroller, than reach the soft start clutch, with each bearing ring is installed, for example, three pads at an angle of 120 relative to each other, in addition, on the plane of the support ring facing the working surface of the thrust ring between the friction pads threaded hole of the connecting cavity toroidal volume chambers with screwed in the his tee, in one of the tapped holes which is screwed into the valve for a pumping system, and the second - flexible high-pressure hose that is associated with a radial threaded hole made in the wall of the cylindrical cavity of the hub of the slave disk, between the sealing gaskets mounted in the inner part of the hub and having contact with their working edges with the cylindrical surface of the shaft, on either side of the radial holes connecting the cavity of the hub with an axial channel of the primary shaft, and the second radial hole of the axial channel of the shaft is connected with similar sealing device mounted in the tide of the clutch housing around the shaft, and through the channel, made in the tide in the form of ribs, printed out and ends threaded hole of the inlet fitting in the discharge line.

2. Automated clutch according to claim 1, characterized in that the axial channel of the primary shaft aside flywheel and is connected with the lubrication system of the engine through the cavity in the recess of the flange of the crankshaft and is sealed by a seal that is installed in the landing place of the poor and its working edge in contact with the cylindrical surface of the end of the shaft.

3. Automated clutch according to claim 1, wherein the clutch cover is divided by N. the two cavity extra thrust ring, fixed in the middle part of the casing, and in each of the cavities has a driven disk, which through the hub with splines mounted on the splined portion of one of the two primary shafts transmission with coaxial their location, with the inlet channel of the outer shaft is directed in the direction of transmission to the inlet of the sealing device is made in the case of the front wall of the gearbox, and the inlet channel of the inner primary shaft pointing towards the flywheel by moving the sealing device is made in a recess of the crankshaft.

4. Automated clutch according to claim 1, characterized in that the working medium can be used with compressed air.



 

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