CN207935316U - Dynamic auto clutch system - Google Patents

Abstract

The utility model discloses a kind of dynamic auto clutch systems, are arranged between transmission shaft and driven device, and driven device is connect by drive connection part with clutch system, including：Tie-plate comprising the end of end and side, side forms flange, and the inner wall of side slidably connects multiple outside friction discs, and drive connection part extends in side, and the outer wall of drive connection part is provided with multiple inner attrition pieces；Fixed seat is set in outside tie-plate, and first bearing is arranged therebetween；Conductor, including base portion and the central projection that is extended towards outside friction disc by base portion, are provided with guide way and elastomer between base portion and flange；With cavity covers between fixed seat and driven device, and valve body is arranged outside cavity, piston is arranged in cavity.The clutch system is convenient for reliably clutch.

Description

Dynamic auto clutch system

Technical field

The utility model is related to clutch system fields, and specifically, the utility model is related to a kind of dynamic auto clutch systems System.

Background technology

Clutch system is connected between transmission shaft and driven device, for realizing between transmission shaft and driven device Engagement or separation, to realize power transfer function.Specifically, when clutch system engages, transmission shaft can be with quilt Driving device realizes that power transmits；When clutch system detaches, transmission shaft does not realize that power transmits with driven device, at this point, Driven device can not rotate.

Now in the art, it usually needs the engagement or separation of clutch system are realized when idling or shutdown, still, or meeting Collision or impact are generated, noise is generated, and the reliability of engagement or separation is also affected.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of dynamic auto clutch systems, can be in transmission shaft Steady reliable clutch is realized under rotary work state.

In order to solve the above-mentioned technical problem, the utility model uses following technical solution：A kind of dynamic auto clutch system System is arranged between transmission shaft and driven device, and the driven device is connected by drive connection part and the clutch system It connects, including：

Tie-plate comprising the end being fixedly connected with the transmission shaft and the side extended by end, the side End form flange, the inner wall of the side slidably connects multiple outside friction discs, and the drive connection part extends to described In side, the outer wall of the drive connection part is provided with multiple and outside friction disc interlaced arrangement inner attrition piece；

Fixed seat is set in outside the tie-plate, first bearing is arranged therebetween；

Conductor, including base portion and the central projection that is extended towards the outside friction disc by base portion, the base portion with Be provided between the flange guide way moved along for the conductor and for the conductor apply towards Elastomer far from tie-plate direction elastic force；With,

Cavity covers between the fixed seat and the driven device, and valve body, the chamber is arranged outside the cavity Setting piston in vivo, when the valve body connects hydraulic oil, the piston push the conductor make the outside friction disc with The inner attrition piece passing power；When the valve body disconnects hydraulic oil, the elastomer pushes the piston reverses direction movement, institute State outside friction disc detached with the inner attrition piece and no longer passing power.

Further, the contact area and respective quantity of the inner attrition piece and the outside friction disc are according to load Design determines.

Further, the first bearing is thrust bearing.

Further, the guide way is multiple, described along being arranged circumferentially for the flange and the base portion The head end of guide way passes through the conductor and is threadedly coupled with the flange, and the interlude of the guide way is for guiding Optical axis, the end of the guide way form the radial protrusion for limit.

Further, the quantity of the elastomer is multiple, along the uniform cloth of the circumferential direction of the flange and the base portion It sets, the elastomer is spring, and blind hole is respectively provided on the flange and the base portion, and the both ends of the spring, which correspond to, is located at institute It states in blind hole.

Further, the cavity is provided with close to described driven device one end extends towards the conductor direction Axial projection, the conductor are provided with annular groove, second bearing are arranged between the axial projection and the annular groove.

Further, the second bearing is thrust bearing.

Further, the cavity is arranged sliding along the annular of sliding for the piston except the axial projection Road, the valve body are connected to by flow path with the annular slide track, and the piston can push the second bearing to move when driven It is dynamic.

Further, the cavity is connect by flange with the driven device.

Further, the valve body is hydraulic valve or solenoid valve, and the valve body is configured as identification maneuver, pressure or stream It is one or more in amount signal, and on or off hydraulic oil.

Compared with prior art, the beneficial effects of the utility model are：By the movement of hydraulic control piston, and then make Obtaining conductor overcomes resilient force outside friction disc to be bonded with inner attrition piece, and passing power, this mode enable to pass Moving axis engages more steady with driven device；When detachment is desired, stop for hydraulic oil, in the presence of a tensile force, conductor Outside friction disc is left, at this point, outside friction disc can not be with inner attrition piece conducting power, driven device stop motion.This practicality is new Type is controlled by hydraulic pressure signal, and process not will produce collision or impact, and system is reliable and stable.Using thrust bearing, rotation work Simple piston formula working method is converted to as mode so that the force way of interior outside friction disc is that simple thrust turns frictional force.

Description of the drawings

Fig. 1 is the installation principle schematic of the dynamic auto clutch system of the utility model；

Fig. 2 is the schematic diagram of one embodiment of the dynamic auto clutch system of the utility model.

Reference numeral

1- transmission shafts；2- tie-plates；The ends 201-；The sides 202-；203- flanges；3- fixed seats；4- outside friction discs；5- One bearing；6- springs；7- pipelines；8- control systems；9- conductors；901- base portions；902- central projections；10- cavitys； 1001- axial projections；11- second bearings；12- pistons；13- transition coupling blocks；14- sleeves；15- water pumps；16- flanges；17- Guide way；18- inner attrition pieces；19- valve bodies.

Specific implementation mode

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as to this practicality Novel restriction.

Shown in referring to Fig.1, the biography that clutch system c passes through the coupling mechanism b and transmission device a (such as motor) of one end Moving axis couples, meanwhile, clutch system c is connect by drive connection part with driven device, will be with driven device below It is described for water pump d.Control system f is in rotation by the transmission shaft of fluid pressure line e connections clutch system c, transmission device a Turn state, control system f provides control signal according to condition, and control transmission shaft and water pump d input shafts are acted from, conjunction, wherein The state of "Off" is that water pump d input shafts are not engaged with transmission shaft, and water pump d input shafts do not rotate, and water pump d is in halted state； The state of " conjunction " is that water pump d input shafts are engaged with the realization of the transmission shaft of transmission device, and water pump d input shafts are synchronous with transmission shaft to be turned Dynamic, water pump d is in running order.

With reference to shown in Fig. 2, the dynamic auto clutch system of the utility model, setting is filled in transmission shaft 1 with as by driving Between the water pump 15 set, driven device is connect by drive connection part with clutch system, as previously mentioned, driven device selects Input shaft for water pump 15, water pump 15 is connect with drive connection part.As shown in the figure, drive connection part includes sleeve 14 and transition connection Block 13 is connect, which is located at left side one end (i.e. left end) diameter in figure and is less than right side one end (i.e. right end) diameter in figure, The left end of sleeve 14 is fixedly connected with transition coupling block 13, the input axis connection that the right end of sleeve 14 passes through key and water pump 15.From Collaboration is united, including tie-plate 2, fixed seat 3, conductor 9 and cavity 10 etc., next will be introduced respectively.

As shown in Fig. 2, tie-plate 2 includes the end 201 being fixedly connected with transmission shaft 1 and the side extended by end 201 Portion 202, as shown, end 201 is fixedly connected with transmission shaft 1, side 202 is extended by end 201 towards the right side in figure, side The end in portion 202 forms flange 203, which can be in order to the connection of the tie-plate 2 and aftermentioned conductor 9 etc..Side 202 inner wall slidably connects multiple outside friction discs 4, and abutment can be arranged in the position by close end 201 in side 202, The moving area of outside friction disc 4 is limited.As a kind of situation, multiple outside friction disc 4, which may be constructed, to be integrated, one End is installed in the inner wall of side 202 and can be slided along the left and right directions in figure relative to inner wall, in addition it is also possible to be Split type is multiple, is slidably connected to the inner wall of side 202 respectively.Drive connection part extends in side 202, drive connection part Outer wall (being herein the outer wall of transition coupling block 13) be provided with it is multiple with 4 interlaced arrangement of outside friction disc inner attrition piece 18, i.e., Outside friction disc 4 (being outside friction disc 4 or inner attrition piece 18) adjacent rather than similar with inner attrition piece 18 is adjacent.Similarly, should Multiple inner attrition pieces 18 can be integral type, be fixedly installed in drive connection part, and such as multiple outside friction discs 4 are also integrated Formula can be bonded with each inner attrition piece 18, when outside friction disc 4 is mobile by driving to be driven respectively.In addition, in multiple Friction plate 18 may be split type (it is split type to correspond to outside friction disc 4), be slidably connected in drive connection part respectively, quilt When outside friction disc 4 pushes, all outside friction discs 4 are in close contact with inner attrition piece 18.Preferably, as shown, inner attrition piece 18 are set between two adjacent outside friction discs 4, when outside friction disc 4 is pushed mobile, can well with inner attrition piece 18 Fitting is in close contact, and generates frictional force, realizes that power transmits.The contact area and number of outside friction disc 4 and inner attrition piece 18 Amount, can accurately calculate determination according to load force or load etc..

Fixed seat 3 is set in outside tie-plate 2, and fixed seat 3 can be fixed on a certain fixed setting of 1 side of transmission shaft Shell on, fixed seat 3 does not rotate.First bearing 5, further, the first axle are set between fixed seat 3 and tie-plate 2 It is thrust bearing to hold 5, is capable of the axial force of bucking-out system so that the clutch system can be used as a separate unit.

Conductor 9, including base portion 901 and the central projection 902 that is extended towards outside friction disc 4 by base portion 901, base portion Be provided between 901 and flange 203 guide way 17 moved along for conductor 9 and for conductor 9 apply towards Elastomer far from 2 direction elastic force of tie-plate.Specifically, guide way 17 is multiple, along flange 203 and base portion 901 It is arranged circumferentially, the head end of guide way 17 passes through conductor 9 and is threadedly coupled with flange 203, and the interlude of guide way 17 is For the optical axis of guiding, the end of guide way 17 forms the radial protrusion for limit, which can limit conductor 9 Axial movement section, and conductor 9 is avoided to be detached with tie-plate 2.Similarly, the quantity of elastomer is multiple, along convex Edge 203 and base portion 901 are arranged circumferentially, and elastomer or can be arranged in difference with 17 interlaced arrangement of guide way Circumferential size on.As a kind of situation, elastomer is selected as spring 6, and blind hole, bullet are respectively provided on flange 203 and base portion 901 The both ends of spring 6, which correspond to, to be located in blind hole, and spring 6 applies pretightning force to conductor 9 so that conductor 9 is away from tie-plate 2 It moves in direction.The parameter and quantity of spring 6 can be calculated according to required pretightning force.The effect of pretightning force is so that at system In the state of "Off", while providing the basic use condition of bearing.

Cavity 10 covers between fixed seat 3 and driven device, constitutes the external shell of conductor 9 etc..Cavity Valve body 19 is set on 10, and valve body 19 is connect with pipeline 7 and control system 8, and valve body 19 and pipeline 7 provide hydraulic pressure signal.The valve Body 19 can be that pilot operated valve device either solenoid valve, valve body are configured as one kind or more in identification maneuver, pressure or flow signal Kind, and on or off hydraulic oil, pass through hydraulic pressure or Digital Signals to realize.Piston 12 is set in cavity 10, Piston 12 is controlled by hydraulic pressure signal or the pretightning force of elastomer slides axially.When valve body 19 connects hydraulic oil, piston 12 Push conductor 9, the conductor 9 that the pretightning force of elastomer can be overcome to be moved towards the direction of tie-plate 2 so that outside friction disc 4 fit closely and generate frictional force with 18 passing power of inner attrition piece, i.e. outside friction disc 4 with inner attrition piece 18, at this point, external friction Piece 4 drives inner attrition piece 18 to rotate together, and inner attrition piece 18 drives transition coupling block 13 to rotate, to drive the input of water pump 15 Shaft rotation is dynamic.On the contrary, when hydraulic pressure signal no pressure, under the action of the pretightning force of elastomer, conductor 9 pushes piston 12 reversed Sliding, at this point, outside friction disc 4 is detached with inner attrition piece 18, the input shaft driving force of water pump 15 disappears, and water pump 15 stops operating.

Cavity 10 is provided with close to one end of water pump 15 towards the axially extending protruding portion 1001 in 9 direction of conductor, conduction Body 9 is provided with annular groove, and second bearing 11, when piston 12 acts on, piston are arranged between axial projection 1001 and annular groove 12 contact with the second bearing 11, and the second bearing 11 is pushed to move, to apply a force to conductor 9.Into one Step ground, second bearing 11 are thrust bearing.For ease of the setting of piston 12, use is arranged in cavity 10 except axial projection 1001 In piston 12 along the annular slide track of sliding, valve body 19 is connected to by flow path with annular slide track, can be pushed away when piston 12 is driven Dynamic second bearing 11 moves.On the contrary, when piston 12 is not driven, moved backward in the active force of spring 6, outside friction disc 4 with it is interior Friction plate 18 detaches and no longer passing power/frictional force.

As previously mentioned, cavity 10 covers at fixed seat 3 and as between the water pump 15 of driven device, specially cavity 10 Left end is connect by structures such as flanges with fixed seat 3, and 10 right end of cavity is by flange 16 as shown in the figure and is used as driven device Water pump 15 connect.

In addition, the utility model discloses a kind of control method of dynamic auto clutch system, it is aforementioned any for controlling The dynamic auto clutch system of item, this method comprises the following steps：

Step 1, opens valve body 19, and hydraulic oil injects in cavity 10.

Before injecting hydraulic oil, transmission shaft 1 rotates, and drives tie-plate 2, outside friction disc 4, spring 6, guide way 17, passes One end of conductor 9, first bearing 5 and second bearing 11 rotates.After 19 open signal of given valve body, it is filled with into cavity 10 Hydraulic oil.

Step 2, hydraulic oil push piston 12 to move, to push conductor 9 to act.

Hydraulic oil in step 1 starts to generate hydraulic pressure to piston 12, after piston 12 overcomes 6 pretightning force of spring, drives second Bearing 11 and conductor 9 are moved axially along the guide section of guide way 17 towards close to the direction of tie-plate 2.

Step 3, conductor 9 push outside friction disc 4 so that outside friction disc 4 and 18 passing power of inner attrition piece, so that it is interior Friction plate 18 drives drive connection part movement (i.e. synchronous rotary) so that at the water pump 15 and transmission shaft 1 of driven device In engagement state.

Outside friction disc 4 refers to that outside friction disc 4 is in close contact with inner attrition piece 18 with 18 passing power of inner attrition piece, is generated Frictional force to be enough to drive transition coupling block 13 to rotate, and then rotates, water pump 15 with the input shaft of moving sleeve 14 and water pump 15 Open work.

The above-mentioned unlatching step for water pump 15, the follow-up step that stops are：

Step 4, given valve body 19 switch off the pump 15 signal, hydraulic pressure zero.

At this point, under the action of 6 pretightning force of spring, conductor 9 drives second bearing 11 and piston 12 along guide way 17 Guide section reverse movement, inner attrition piece 18 separates with outside friction disc 4, and the torque of 15 input shaft of water pump is kept to zero, and water pump 15 stops Only work.

Above example is only the exemplary embodiment of the utility model, is not used in limitation the utility model, this practicality is new The protection domain of type is defined by the claims.Those skilled in the art can be in the essence and protection domain of the utility model It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling new in this practicality In the protection domain of type.

Claims (10)

1. a kind of dynamic auto clutch system is arranged between transmission shaft and driven device, the driven device passes through drive Follower link is connect with the clutch system, which is characterized in that including：

Tie-plate comprising the end being fixedly connected with the transmission shaft and the side extended by end, the end of the side End forms flange, and the inner wall of the side slidably connects multiple outside friction discs, and the drive connection part extends to the side Interior, the outer wall of the drive connection part is provided with multiple and outside friction disc interlaced arrangement inner attrition piece；

Fixed seat is set in outside the tie-plate, first bearing is arranged therebetween；

Conductor, including base portion and the central projection that is extended towards the outside friction disc by base portion, the base portion with it is described Be provided between flange the guide way moved along for the conductor and for the conductor apply away from The elastomer of tie-plate direction elastic force；With,

Cavity covers between the fixed seat and the driven device, is arranged valve body outside the cavity, in the cavity Piston is set, when the valve body connects hydraulic oil, the piston push the conductor make the outside friction disc with it is described Inner attrition piece passing power；When the valve body disconnects hydraulic oil, the elastomer pushes the piston reverses direction movement, described outer Friction plate is detached with the inner attrition piece and no longer passing power.

2. dynamic auto clutch system according to claim 1, which is characterized in that the inner attrition piece and the external friction The contact area of piece and respective quantity are designed according to load to be determined.

3. dynamic auto clutch system according to claim 1, which is characterized in that the first bearing is thrust bearing.

4. dynamic auto clutch system according to claim 1, which is characterized in that the guide way is multiple, along institute State being arranged circumferentially for flange and the base portion, the head end of the guide way pass through the conductor and with the flanged nut Line connects, and the interlude of the guide way is the optical axis for guiding, and the end of the guide way forms the radial direction for limit Protrusion.

5. dynamic auto clutch system according to claim 1, which is characterized in that the quantity of the elastomer be it is multiple, Along being arranged circumferentially for the flange and the base portion, the elastomer is spring, the flange and the base portion On be respectively provided with blind hole, the both ends of the spring, which correspond to, to be located in the blind hole.

6. dynamic auto clutch system according to claim 1, which is characterized in that the cavity is filled close to described by driving It sets one end to be provided with towards the axially extending protruding portion in conductor direction, the conductor is provided with annular groove, the axis To between protruding portion and the annular groove, second bearing is set.

7. dynamic auto clutch system according to claim 6, which is characterized in that the second bearing is thrust bearing.

8. dynamic auto clutch system according to claim 6, which is characterized in that the cavity is in the axial projection Except setting for the piston along the annular slide track of sliding, the valve body is connected to by flow path with the annular slide track, institute State piston it is driven when the second bearing can be pushed to move.

9. dynamic auto clutch system according to claim 1, which is characterized in that the cavity passes through flange and the quilt Driving device connects.

10. dynamic auto clutch system according to claim 1, which is characterized in that the valve body is hydraulic valve or electricity Magnet valve, the valve body are configured as one or more in identification maneuver, pressure or flow signal, and on or off liquid Pressure oil.