CN201187535Y

CN201187535Y - Engaging type clutch

Info

Publication number: CN201187535Y
Application number: CNU2008200352636U
Authority: CN
Inventors: 李进
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-07
Filing date: 2008-05-07
Publication date: 2009-01-28
Anticipated expiration: 2018-05-07

Abstract

The utility model discloses an engagement-type clutch which comprises a driving wheel, a driving sheet, a driven shaft, a lock nut, a driven sheet, a clutch handle, a handle holder and a thrust bearing. An end cover is arranged on the driving wheel. The driven sheet and the driven shaft engage to each other in the radial direction and are connected to each other in a sliding manner in the axial direction. The driven shaft passes through a spring. The thrust bearing, the clutch handle and the handle holder are sleeved on the driven shaft in sequence. The lock nut is in the shape of a sleeve. The inner hole at the outer end of the lock nut is threaded and is positioned on the head of the driven shaft. The inner hole at the inner end of the lock nut is in a movable fit with the driven shaft. A through-hole is arranged in the center of the end cover on the driving wheel and the diameter thereof is slightly larger than the outer diameter of the thrust bearing. The driving wheel is arranged at the inner end of the lock nut via a bearing. The driving sheet is arranged between the driving wheel and the end cover. The spring sleeved on the driven shaft is positioned between the driven sheet and the inner end of the lock nut. The engagement-type clutch has the advantages of long service life and simple structure.

Description

Engaged clutch

Affiliated technical field

The utility model relates to a kind of clutch, the engaged clutch on especially a kind of ditching machine that is used for the farmland ditching operation.

Background technique

Engaged clutch on existing a kind of ditching machine that is used for the farmland ditching operation, it mainly comprises driving wheel, rotating plate, driven shaft, driven plate, guide rod, leverage, clutch handgrip, handle bracket, thrust-bearing.Driving wheel is the vee-pulley of the interior hollow structure of ditching machine, and driven shaft is the power input shaft of ditching machine speed reducer.Driven plate and driven shaft are coated with spring radially chimeric and endwisely slip and connect on the driven shaft.Driving wheel is arranged on the driven shaft and on this spindle nose by bearing locking nut is housed, and rotating plate is positioned at driving wheel and is axially connecting with the activity of driving wheel formation.Be set with spring on the guide rod, an end and the rotating plate of guide rod links, an end of the other end and leverage links, and the fulcrum of leverage is arranged on the end cap of driving wheel, and the other end of leverage is positioned on the end face that is sleeved on the thrust-bearing on the driven shaft.Clutch handgrip and handle bracket are sleeved on the driven shaft and successively in the left side of thrust-bearing.Clutch when engagement, the hole that matches with the driven plate gabarit that its driven plate is arranged in that rotating plate central authorities are provided with.When needs separated, as long as at this moment pulling clutch handgrip promotes the end that bearing will promote lever, the other end of lever then made it break away from driven plate by guide rod pulling rotating plate, thereby makes engaged clutch be in separated state.Because above-mentioned clutch is by leverage and guide rod, the separated state that rotating plate and driven plate is separated realize clutch, this makes the structure of clutch become complicated on the one hand, also requires to be positioned at the rotating plate of driving wheel and the outer end that driven plate is in driven shaft on the other hand.Because rotating plate and driven plate are in the outer end of driven shaft, this has reduced the strength and stiffness of driven shaft, thereby has shortened the working life of clutch.

The model utility content

The technical problems to be solved in the utility model provides a kind of engaged clutch.This clutch is long service life not only, and simple in structure.

For solving the problems of the technologies described above, a kind of engaged clutch of the utility model, it contains driving wheel, rotating plate, driven shaft, locking nut, driven plate, the clutch handgrip, handle bracket and thrust-bearing, the hole that matches with the driven plate gabarit that driven plate is arranged in that rotating plate central authorities establish, end cap is housed on the driving wheel, driven plate and driven shaft are radially chimeric and endwisely slip and connect, be coated with spring on the driven shaft, thrust-bearing, clutch handgrip and handle bracket are sleeved on driven shaft successively, described locking nut is the tube-in-tube structure shape, the endoporus of its outer end is provided with screw thread and is arranged on the spindle nose of driven shaft, its inner endoporus be unthreaded hole and with the cooperating of driven shaft for movingly, the end cap central authorities of being equipped with on the driving wheel are provided with the big slightly through hole of diameter specific thrust bearing outside diameter, driving wheel is arranged on the inner of locking nut by bearing, described rotating plate is arranged between driving wheel and the end cap, and the spring that installs on the described driven shaft is between the inner of driven plate and locking nut.

Owing to adopt rotating plate to be arranged between driving wheel and the end cap, and make the engagement of driven plate and rotating plate by spring, need only pulling clutch handgrip during separation, at this moment promote bearing and will directly promote driven plate, thereby make driven plate break away from rotating plate, realize the separation of engaged clutch, compared with prior art saved guide rod and leverage, therefore simple in structure; Simultaneously since the rotating plate present position between driving wheel and end cap, the strength and stiffness of driven shaft compared with prior art to greatest extent near the root of driven shaft, thereby have been improved greatly in this position, so the long service life of clutch.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model engaged clutch.

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

1. locking nuts among the figure, 2. spindle nose, 3. driving wheel, 4. bearing, 5. the inner, 6. rotating plate, 7. spring, 8. end cap, 9. driven plate, 10. speed reducer, 11. handle brackets, 12. clutch handgrips, 13. thrust-bearings, 14. screws, 15. driven shafts, 16. outer ends.

Embodiment

Among Fig. 1, the engaged clutch on a kind of ditching machine that is applied to the farmland ditching operation, it contains driving wheel 3, rotating plate 6, driven shaft 15, locking nut 1, driven plate 9, clutch handgrip 12, handle bracket 11 and thrust-bearing 13.Driving wheel 3 is the vee-pulley of the interior hollow structure of ditching machine, and driven shaft 15 is the power input shaft of ditching machine speed reducer 10.Driven plate 9 and driven shaft 15 are radially chimeric and endwisely slip and connect, and such connection is achieved in that in this example driven shaft 15 is splined shaft, and the central authorities of driven plate 9 are provided with the spline slotted eye that matches with splined shaft and are installed on the driven shaft 15.Thrust-bearing 13, clutch handgrip 12 and handle bracket 11 are sleeved on the driven shaft 15 successively.Locking nut 1 be provided with screw thread for the endoporus of tube-in-tube structure shape, its outer end 16 and be arranged on the spindle nose 2 of driven shaft 15, the endoporus of its inner 5 is unthreaded hole and with the cooperating of driven shaft 15 for movingly.The central authorities of the end cap 8 that is equipped with on the driving wheel 3 are provided with the big slightly through hole of diameter specific thrust bearing 13 external diameters, driving wheel 3 is arranged on the inner 5 of locking nut 1 by bearing 4, in this example, driving wheel 3 is to be arranged on like this on the inner 5 of locking nut 1: bearing 4 is installed in the driving wheel 3, bearing 4 is positioned in the driving wheel 3 by back-up ring, and the inner ring of bearing 4 is installed on the inner 5 of locking nut 1.Rotating plate 6 is arranged between driving wheel 3 and the end cap 8, and rotating plate 6 and end cap 8 can be fixed on the end face of driving wheel 3 by screw 14 in the lump.The hole that matches with driven plate 9 gabarits that driven plate 9 is arranged in that rotating plate 6 central authorities establish, as shown in Figure 2.Be installed on spring 7 on the driven shaft 15 between the inner 5 of driven plate 9 and locking nut 1.Distance between driven plate 9 and the thrust-bearing 13 can realize by adjusting lock nut 1.Clutch is in engagement during ditching machine work, the hole that matches with driven plate 9 gabarits that its driven plate 9 is arranged in that rotating plate 6 central authorities establish, at this moment driving wheel 3 drives rotating plate 6 rotations, rotating plate 6 drives driven plate 9 and rotates, driven plate 9 drives driven shafts 16 and rotates, and driven shaft 16 is installed in by the gear drivens in the speed reducer 10 that the cutting cutterhead carries out ditching operation on the output shaft.When stopping ditching operation, pulling clutch handgrip 12, direction away from handle bracket 11 moves this handgrip in driven shaft 15 upper edges with respect to handle bracket 11, at this moment clutch handgrip 12 promotes thrust-bearing 13, this bearing directly promotes driven plate 9, thereby make driven plate 9 break away from rotating plate 6, realize the separation of engaged clutch, driving wheel 2 idle running this moment, cutting cutterhead stop operation.When 12 repositions of clutch handgrip, driven plate 9 makes driven plate 9 be meshed with rotating plate 6 under the effect of spring 7, at this moment can carry out ditching operation again.Because it is the utility model has compared with prior art saved guide rod and leverage, therefore simple in structure.Owing to changed rotating plate 6 and driven plate 9 residing positions, make them simultaneously, thereby improved the strength and stiffness of driven shaft 15 greatly to greatest extent near speed reducer 10, so the long service life of clutch.

Claims

1. engaged clutch, it contains driving wheel, rotating plate, driven shaft, locking nut, driven plate, the clutch handgrip, handle bracket and thrust-bearing, the hole that matches with the driven plate gabarit that driven plate is arranged in that rotating plate central authorities establish, end cap is housed on the driving wheel, driven plate and driven shaft are radially chimeric and endwisely slip and connect, be coated with spring on the driven shaft, thrust-bearing, clutch handgrip and handle bracket are sleeved on driven shaft successively, it is characterized in that: described locking nut is the tube-in-tube structure shape, the endoporus of its outer end is provided with screw thread and is arranged on the spindle nose of driven shaft, its inner endoporus be unthreaded hole and with the cooperating of driven shaft for movingly, the end cap central authorities of being equipped with on the driving wheel are provided with the big slightly through hole of diameter specific thrust bearing outside diameter, driving wheel is arranged on the inner of locking nut by bearing, described rotating plate is arranged between driving wheel and the end cap, and the spring that installs on the described driven shaft is between the inner of driven plate and locking nut.