CN-224229125-U - Single-cylinder small-towing diaphragm spring compression clutch mechanism

Abstract

The utility model relates to the technical field of tractor clutches, in particular to a single-cylinder small-traction diaphragm spring compression clutch mechanism which comprises a pressure plate assembly and a clutch driven plate, wherein the pressure plate assembly comprises a clutch cover fixed on a clutch belt wheel, a pressure plate is arranged in the clutch cover, a transmission plate is connected between the pressure plate and the clutch cover, a conical diaphragm spring is also arranged in the clutch cover, a separating hook matched with the diaphragm spring is arranged at the rear side of the pressure plate, the compression force exerted by the diaphragm spring is uniformly distributed on the pressure plate under the pressure of the diaphragm spring, the compression force is large, the separation is difficult, the separation is reliable, the static friction among the pressure plate, friction linings and the clutch belt wheel is almost rigidly connected, the load of the clutch driven plate belt is ensured to be synchronous with the clutch belt wheel, the transmission power is increased, the clutch belt is stable and reliable, and the transmission efficiency is high. The damping springs on the damper disc can absorb impact and torsional vibration, and the input power is stable and constant.

Inventors

• ZHANG LIN

Assignees

• 张琳

Dates

Publication Date

20260512

Application Date

20250714

Claims (6)

1. 1. The single-cylinder small-traction diaphragm spring compression clutch mechanism comprises a clutch pulley shaft arranged on a gearbox, wherein one side of the clutch pulley shaft is provided with a clutch pulley through a first bearing, and the clutch pulley compression clutch mechanism is characterized by further comprising a pressure plate assembly and a clutch driven plate, wherein the pressure plate assembly comprises a clutch cover fixed on the clutch pulley, a pressure plate is arranged in the clutch cover, a transmission plate is connected between the pressure plate and the clutch cover, a conical diaphragm spring is further arranged in the clutch cover, a separating hook matched with the diaphragm spring is arranged on the rear side of the pressure plate, a diaphragm outer ring of the diaphragm spring is arranged in the separating hook, a diaphragm inner ring of the diaphragm spring protrudes backwards from a hole in the middle of the rear side of the clutch cover, a plurality of first rivets are arranged between the diaphragm spring and the clutch cover, a front supporting ring and a rear supporting ring which encircle the first rivets are respectively arranged on the front side and the rear side of the diaphragm spring, a separating bearing and a clutch separating claw which are arranged on the rear side of the diaphragm inner ring are positioned between the clutch pulley shaft and the clutch pulley, and the clutch driven plate comprises a clutch pulley shaft which is connected between the friction pulley and a clutch pulley.
2. 2. The single-cylinder small-towed diaphragm spring compression clutch mechanism of claim 1, wherein the clutch driven disc further comprises a torsion damper, the torsion damper comprises a driven steel disc fixed on the inner side of the friction lining, the driven steel disc is connected with a damper disc and a damper outer cover through a second rivet, the damper disc is clamped between the driven steel disc and the damper outer cover, a plurality of spring grooves are formed in the damper disc, damping springs are respectively arranged in the spring grooves, clamping grooves matched with the springs are respectively formed in the driven steel disc and the damper outer cover, and a spring cover is arranged on the outer side of each clamping groove.
3. 3. The single-cylinder small-towed diaphragm spring compression clutch mechanism of claim 1, wherein a driving plate mounting groove is formed in the periphery of the clutch cover, and two ends of the driving plate are connected to the pressure plate and the clutch cover through third rivets respectively.
4. 4. The single-cylinder small-towed diaphragm spring compressing clutch mechanism of claim 1, wherein said clutch cover is fixedly connected with said clutch pulley by a bolt.
5. 5. The single cylinder small drag diaphragm spring hold-down clutch mechanism of claim 1, wherein the section of the clutch pulley shaft for mounting the clutch pulley, clutch driven plate and release bearing is thicker than the other sections.
6. 6. The single-cylinder small-traction diaphragm spring compression clutch mechanism of claim 1, wherein one side of the clutch pulley shaft, which is close to the clutch pulley, is arranged on a gearbox through a positioning bearing, a bearing end cover for positioning the positioning bearing is arranged on the clutch pulley shaft, a positioning sleeve is arranged on the clutch pulley shaft, and the release bearing, a clutch release claw and the bearing end cover are uniformly sleeved on the positioning sleeve.

Description

Single-cylinder small-towing diaphragm spring compression clutch mechanism Technical Field The utility model relates to the technical field of tractor clutches, in particular to a single-cylinder small-towing diaphragm spring compression clutch mechanism. Background A clutch is a device for transmitting power between an engine and a gearbox, where the power connection between the engine and the gearbox is broken when the driver depresses the clutch pedal, and where the power connection between the engine and the gearbox is made when the driver releases the clutch pedal. FIG. 1 is a schematic diagram of a conventional clutch, as shown in FIG. 1, in the conventional clutch, a clutch driven disc assembly 1-1, a clutch driving disc 1-2 and a clutch pressing disc 1-3 are arranged in a clutch pulley 1-4, a clutch pulley cover 1-6 and the clutch pulley 1-4 are fixed into a whole by bolts, a clutch spring 1-5 is arranged between the clutch pressing disc 1-3 and the clutch pulley 1-4, the clutch pulley 1-4 is assembled on a clutch pulley shaft 1-7 through a bearing, two clutch driven disc assemblies 1-1 are installed on the clutch pulley shaft 1-7 in a spline connection mode, a clutch driving disc 1-2 is sleeved on the clutch pulley shaft 1-7, an outer ring is clamped in an inner groove of the clutch pulley 1-4 and can axially slide, a release bearing 1-9 is sleeved on the clutch pulley shaft 1-7, a clutch release pawl 1-8 and a release lever 1-10 are connected on the release bearing 1-9, three release levers 1-10 are arranged, and the release levers 1-10 are respectively connected with the clutch pulley shaft 1-3 through a spline connection, and the clutch driving disc 1-2 is disconnected with the clutch pedal 1-3 in a transmission manner, and the clutch pedal is disconnected by the clutch pedal 1-3. The existing clutch adopts three separation and combination levers to separate, adopts three pairs of spiral clutch springs as a compressing device, has three-point distribution of clutch compressing force, uneven pressure, uneven wear, easy separation and no shock absorption and vibration filtration function, and is not stable enough in clutch. Disclosure of utility model The utility model aims to provide a single-cylinder small-towed diaphragm spring compression clutch mechanism to solve the technical problems of uneven clutch pressure and unstable transmission power of the existing clutch used on a small tractor. In order to solve the technical problems, the utility model adopts the following technical scheme: The clutch cover is internally provided with a pressure plate, a transmission plate is connected between the pressure plate and the clutch cover, a conical diaphragm spring is further arranged in the clutch cover, the rear side of the pressure plate is provided with a separating hook matched with the diaphragm spring, the diaphragm outer ring of the diaphragm spring is arranged in the separating hook, the diaphragm inner ring of the diaphragm spring protrudes backwards from a hole in the middle of the rear side of the clutch cover, a plurality of first rivets are arranged between the diaphragm spring and the clutch cover, the front side and the rear side of the diaphragm spring are respectively provided with a front supporting ring and a rear supporting ring which encircle the first rivets, the clutch belt wheel shaft is provided with a separating bearing and a clutch separating claw which are positioned at the rear side of the diaphragm inner ring, and the clutch driven disc comprises a friction lining which is positioned between the clutch belt pulley and the middle of the pressure plate, and the clutch driven disc is connected between the clutch lining and the clutch disc. Further, the clutch driven disc further comprises a torsion damper, the torsion damper comprises a driven steel disc fixed on the inner side of the friction lining, the driven steel disc is connected with a damper disc and a damper outer cover through a second rivet, the damper disc is clamped between the driven steel disc and the damper outer cover, a plurality of spring grooves are formed in the damper disc, damping springs are respectively arranged in the spring grooves, clamping grooves matched with the springs are respectively formed in the driven steel disc and the damper outer cover, and a spring cover is arranged on the outer side of the clamping grooves. Further, a transmission plate mounting groove is formed in the periphery of the clutch cover, and two ends of the transmission plate are connected to the pressure plate and the clutch cover through third rivets respectively. Further, the clutch cover is fixedly connected with the clutch belt wheel through bolts. Further, the section of the clutch pulley shaft for mounting the clutch pulley, the clutch driven plate and the release bearing is thicker than other sections. Furthermore, one side of the clutch pulley shaft, which is close to the clutch pulley, is arranged on the gearbo