CN2317352Y - Public spring indepandent operating double acting clutch - Google Patents

Abstract

Disclosed is a public spring-shaped independent operating type double-action clutch, which is provided with a main clutch and an auxiliary clutch; a butterfly-shaped spring is arranged in the middle of a main driven pressure plate and an auxiliary driven pressure plate; the main driven pressure plate is installed on one side of an assembly of a main driven disk; one side of an assembly of an auxiliary driven disk is provided with the auxiliary driven pressure plate and the other side of the assembly of an auxiliary driven disk is installed on the inner end surface of a clutch casing; bumps of the main driven pressure plate and the bump of the auxiliary driven pressure plate are arranged in a guide groove in the axial direction of the clutch casing and are connected with the clutch casing in a sliding way; an adjusting shim is arranged on the installing end face of the clutch casing. The utility model has the characteristics of simple structure, little structural quality, less loss of slide grinding, etc.; the service life of the clutch and the use reliability of the clutch can be improved.

Description

The independent manipulation formula double-action clutch of public spring type

The utility model belongs to a kind of double-action clutch, relates in particular to dry type, monolithic, the normal engaging clutch of double-action.

The double-action clutch of existing tractor, the main clutch effect is that the power of motor is passed to gearbox and back sedan-chair, the side clutch effect is the power of motor to be passed to pto provide power to farm implements, for the control that can realize tractor is travelled, can realize control again to the required power of tractor operation, all adopt double-action clutch as Shanghai-50 type tractor and TY25～40 serial tractors, this kind clutch is directly superposeed by two cover single-acting clutches and forms, be that butterfly spring in the main clutch is arranged between principal and subordinate's dynamic pressure dish and the center fixed platen, principal and subordinate's dynamic pressure dish is contained in by main friction plate, principal and subordinate's Moving plate, one side of principal and subordinate's Moving plate assembly that the riveted joint of principal and subordinate's Moving plate hub is formed, butterfly spring in the side clutch is arranged in the middle of secondary driven platen and the clutch cover, secondary driven platen dress is pressed in by secondary friction plate, secondary driven disc, one side of the secondary clutch drived disk assy that secondary clutch plate hub riveted joint is formed, and the center fixed platen is contained in the opposite side of secondary driven disc simultaneously, thereby two or two groups of springs are arranged on the structure of whole clutch, two groups of fixed platen are center fixed platen and clutch cover, so clutch agent structure relative complex, architecture quality is heavy, high material consumption, clutch additional rotation inertia is big, not only have influence on the variation of engine power performance and the sensitivity of control, and the sliding wear that has increased in the clutch operating process loses and the frictional heating degree operational safety and the working life of having reduced clutch.

The purpose of this utility model provides a kind of simple in structure, and architecture quality is little, can improve the independent manipulation formula double-action clutch of a kind of public spring type in operational safety and working life.

The utility model is that the technological scheme that achieves the above object is: a kind of independent manipulation formula double-action clutch of public spring type, have main clutch and side clutch, its improvement is: butterfly spring is arranged in the middle of principal and subordinate's dynamic pressure dish and the secondary driven platen, principal and subordinate's dynamic pressure dish is contained in a side of principal and subordinate's Moving plate assembly, secondary driven platen is contained in a side of secondary clutch drived disk assy, the opposite side of secondary driven disc is contained in the interior edge face of clutch housing, the outer rim of principal and subordinate's dynamic pressure dish has projection, and all be arranged in the circumferential direction recess of clutch housing with the projection of the driven platen of pair and be slidingly connected, on the installation end face of clutch housing the adjustment pad is housed with clutch housing.

In order to make clutch operating light, flexible, can reduce the axial space size that clutch configuration is arranged again, the further improvement of the utility model point is that main release bearing is sleeved on the release bearing seat I, and the shifting block of bearing support I and the main shifting fork assembly load that is provided with thereunder; Secondary release bearing is sleeved on the declutch shaft bearing II that is slidingly connected with declutch shaft bearing I, and the shifting block of declutch shaft bearing II and side's disposed thereon secondary shifting fork assembly load.

Be independent of each other when separating in order to ensure major and minor clutch, improvement of the present utility model also is, assistant separator levers with the clutch housing hinge, under its outer webs be sleeved on return spring II load on the spring guide, spring guide is installed on the clutch housing, release rod and assistant separator levers hinge, and the front end of release rod has concave spherical surface and the protruding sphere load of adjusting screw.

The advantage of the utility model after taking technique scheme is: because the master of this kind structure is made up of principal and subordinate's Moving plate assembly, principal and subordinate's dynamic pressure dish, butterfly spring and secondary driven platen from device, and principal and subordinate's Moving plate assembly directly links to each other with engine flywheel; Side clutch is by principal and subordinate's dynamic pressure dish, butterfly spring, secondary driven platen, secondary clutch drived disk assy and clutch housing are formed, clutch housing is installed on the flywheel of motor, and butterfly spring is arranged at the master, in the middle of the driven platen of side clutch, brought into play the master, the function of the elasticity force transfer element of secondary two groups of clutches, main simultaneously, the platen of side clutch is also brought into play clutch separately and is passed and carries function, butterfly spring is contacted directly two groups of single-acting clutches as public spring like this, the driven platen of two groups of clutches benchmark each other in the work, play a role, thereby cancelled the center fixed platen of double-action clutch, also reduced by one or one group of spring, make the agent structure of clutch more simply suitable, and alleviated the clutch configuration quality, thereby reduced the clutch rotary inertia, helped keeping the stability of motor, improved Operational Figure Of Merit, reduce the sliding wear loss in the clutch operating process simultaneously, improved the frictional heating condition.Secondly, be equipped with at the installation end face of clutch housing and adjust pad and be connected with engine flywheel, the gap that is produced behind two groups of friction disc wears of clutch can in time be eliminated, and can dwindle requirement to spring work amount of deformation, therefore, the operational safety and the working life of clutch have been improved.

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

Fig. 1 is a kind of structural representation of the utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the B-B sectional view of Fig. 1.

The independent manipulation double-action clutch of public spring type of the present utility model as shown in Figure 1, have main clutch and side clutch, butterfly spring (12) is arranged on the centre of principal and subordinate's dynamic pressure dish (10) and secondary driven platen (8), principal and subordinate's dynamic pressure dish (10) is contained in a side of principal and subordinate's Moving plate assembly (17) of being made up of main friction plate (17-3), principal and subordinate's Moving plate (17-2) and principal and subordinate's Moving plate hub (17-1) riveted joint, principal and subordinate's Moving plate assembly (17) and clutch shaft (15) load, the opposite side of principal and subordinate's Moving plate assembly (17) directly links to each other with engine flywheel (23).Secondary driven platen (8) is contained in a side of the secondary clutch drived disk assy of being made up of secondary friction plate (13-1), secondary driven disc (13-2) and secondary clutch plate hub (13-3) riveted joint (13), secondary clutch drived disk assy (13) and pto (16) load, and pto (16) sky is enclosed within on the clutch shaft (15), and the opposite side of secondary clutch drived disk assy (13) is contained on the interior edge face of clutch housing (6).As shown in Figure 2, the outer rim of principal and subordinate's dynamic pressure dish (10) has projection (10-1), and all be arranged in the axially directed groove (6-1) of clutch housing (6) with the projection (8-1) of the driven platen of pair (8) and be slidingly connected, be equipped with on the installation end face of clutch housing (6) and adjust pad (11) with clutch housing (6).Separating pull bar (9) passes principal and subordinate's dynamic pressure dish (10), secondary driven platen (8) successively and is arranged on return spring I (7), clutch housing (6) and main separator levers (3) on the secondary driven platen (8) with the load of two adjustment nuts (5), main separator levers (3) is hinged by the lug on pivot pin (4) and the clutch housing (6), and main separator levers (3) can be moved for hinged point around pivot pin (4).

As shown in Figure 1, main release bearing (2) is sleeved on the main declutch shaft bearing I (28), declutch shaft bearing I (28) is sleeved on the axle sleeve bearing (27), and the shifting block (28-1) of declutch shaft bearing I (28) and main shifting fork assembly (30) load that is provided with thereunder, main shifting fork assembly (30) is by control rod assembly and foot treadle load.Secondary release bearing (1) is sleeved on the declutch shaft bearing II (29) that is slidingly connected with declutch shaft bearing I (28), and the shifting block (29-1) of declutch shaft bearing II (29) and side's disposed thereon secondary shifting fork assembly (26) load, secondary shifting fork assembly (26) is by upper connecting rod assembly and Joystick load.Declutch shaft bearing I (28) and declutch shaft bearing II (29) slippage mutually like this, make two components realize coaxial package from bearing, thereby can satisfy the requirement that two cover operating handles can be distinguished independent manipulation, and the shifting fork assembly of two groups of clutches is separately positioned on the upper and lower sides of clutch, reduces the axial dimension that clutch configuration is arranged.

Shown in Fig. 1,3, the assistant separator levers (21) that is hinged with lug on the clutch housing (6), under its outer webs be sleeved on return spring II (20) load on the spring guide (19), spring guide (19) is installed on the clutch housing (6), release rod (24) is hinged by push rod shaft (25) and assistant separator levers (21), and the front end of release rod (24) has concave spherical surface and the protruding sphere load of adjusting nut (18).

The independent manipulation formula double-action clutch of the public spring type of the utility model as shown in Figure 1, 2, 3 at work, major and minor clutch is in the state that engage to pass carries.When the operation main clutch, side clutch is in the definite working state that engages or separate, and secondary driven platen (8) is under the acting in conjunction of the axially directed groove (6-1) of release rod (24), clutch housing (6) and belleville spring (12) pressure determines that the position rotates with motor.At this moment, step on foot treadle to the disengaging configuration, compress main separator levers (3) by control rod assembly, main shifting fork assembly (30), declutch shaft bearing I (28), main release bearing (2), separate pull bar (9) pulling principal and subordinate's dynamic pressure dish (10) thereby drive, overcome the impacting force of belleville spring (12), compression belleville spring (12), going up axially directed groove (6-1) along clutch housing (6) moves backward, realize separating of principal and subordinate's dynamic pressure dish (10) and principal and subordinate's Moving plate assembly (17), cut off main clutch power; Unclamp foot treadle, principal and subordinate's dynamic pressure dish (10) automatically resets under belleville spring (12) effect, compress principal and subordinate's Moving plate assembly (17) recovery biography and carry, and control rod assembly automatically resets under its return spring effect.When handling side clutch, main clutch is in the normal engagement state, principal and subordinate's dynamic pressure dish (10) keeps determining that the position rotates with motor under the axially directed groove (6-1) of clutch housing (6) and belleville spring (12) pressure effect, operate the side clutch Joystick to the disengaging configuration this moment, by the upper connecting rod assembly, secondary shifting fork assembly (26), declutch shaft bearing II (29), secondary release bearing (1) compression assistant separator levers (21), drive release rod (24), promote secondary driven platen (13) through adjusting screw (18), overcome belleville spring (12) pressure, compression belleville spring (12), axially directed groove (6-1) along clutch housing (6) moves forward, realize that secondary driven platen (8) separates with secondary clutch drived disk assy (13), cut off the power of pto; Put down Joystick, secondary driven platen (8) automatically resets under the pressure effect of butterfly spring (12), compresses secondary clutch drived disk assy (13) recovery biography and carries, and the upper connecting rod assembly then automatically resets under its return spring effect.

Claims (3)

1, a kind of independent manipulation formula double-action clutch of public spring type, have main clutch and side clutch, it is characterized in that: it is middle with secondary driven platen (8) that butterfly spring (12) is arranged on principal and subordinate's dynamic pressure dish (10), principal and subordinate's dynamic pressure dish (10) is contained in a side of principal and subordinate's Moving plate assembly (17), secondary driven platen (8) is contained in a side of secondary clutch drived disk assy (13), the opposite side of secondary clutch drived disk assy (13) is contained in the interior edge face of clutch housing (6), the outer rim of principal and subordinate's dynamic pressure dish (10) has projection (10-1), and all be arranged in the axially directed groove (6-1) of clutch housing (6) with the projection (8-1) of the driven platen of pair (8) and be slidingly connected, be equipped with on the installation end face of clutch housing (6) and adjust pad (11) with clutch housing (6).

2, clutch according to claim 1 is characterized in that: main release bearing (2) is sleeved on the declutch shaft bearing I (28), and the shifting block (28-1) of declutch shaft bearing I (28) and main shifting fork assembly (30) load that is provided with thereunder; Secondary release bearing (1) is sleeved on the declutch shaft bearing II (29) that is slidingly connected with declutch shaft bearing I (28), and the shifting block (29-1) of declutch shaft bearing II (29) and side's disposed thereon secondary shifting fork assembly (26) load.

3, clutch according to claim 2, it is characterized in that: with the assistant separator levers (21) of clutch housing (6) hinge, under its outer webs be sleeved on return spring II (20) load on the spring guide (19), spring guide (19) is installed on the clutch housing (6), release rod (24) and assistant separator levers (21) hinge, and the front end of release rod (24) has concave spherical surface and the protruding sphere load of adjusting screw (18).