CN219452835U - Transmission case protection mechanism for crawler tractor - Google Patents

Abstract

The utility model relates to the technical field of a transmission case protection mechanism for a crawler tractor, which comprises a frame, wherein a transmission case is arranged in the frame, an output wheel is arranged on the left upper side of the surface of the transmission case, a belt is connected to the outer wall of the output wheel in a meshed manner, a rotating wheel is connected to the left side of the inner wall of the belt in a meshed manner, an adjusting case is fixedly connected to the right lower side of the surface of the transmission case, a control console is fixedly connected to the right side of the top of the frame, a tightening mechanism is arranged in the adjusting case, and a damping mechanism is arranged at the top of the transmission case. The belt tightening device disclosed by the utility model realizes tightening of the belt and limiting and damping of the transmission case, and improves the stability and the protection of the device.

Description

Transmission case protection mechanism for crawler tractor

Technical Field

The utility model relates to the technical field, in particular to a transmission case protection mechanism for a crawler tractor.

Background

The running gear of crawler tractor mainly comprises guide wheel, follower, thrust wheel, drive wheel and track, and when running, the track cyclic motion is convoluteed to the drive wheel, and the thrust wheel rolls on the track of track and advances or retreats, and crawler tractor can effectively avoid sinking and skid in paddy field and moist ground cultivation, compares in wheeled tractor, and the transmission case of crawler tractor receives vibrations more easily, and crawler tractor needs to add at the outside of transmission case and establishes protection machanism, reduces transmission case inner structure's damage.

The existing device is mainly characterized in that the kinetic energy of the transmission case is transmitted to the driving wheel of the crawler belt through the belt, so that part of the belt is easy to deform and stretch after long-time operation, the output efficiency of the transmission case is low, meanwhile, the vibration of the transmission case is reduced through the spring and the damper, the part of the output wheel is difficult to cling to the inner wall of the belt in the vibration process, the part of the belt falls off, the working efficiency and the practicability of the device are reduced, and therefore, the transmission case protection mechanism for the crawler tractor is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a transmission case protection mechanism for a crawler tractor, which aims to solve the problems that the existing device provided in the background art mainly transmits the kinetic energy of a transmission case to a driving wheel of a crawler belt through a belt, so that part of the belt is easy to deform, stretch and relax after long-time operation, and the output efficiency of the transmission case is low, and meanwhile, part of the device mainly reduces the vibration of the transmission case through a spring and a damper, so that part of output wheels are difficult to cling to the inner wall of the belt in the vibration process, and part of the belt falls off.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gearbox protection mechanism for a crawler tractor, comprising:

the frame, the inside of frame is equipped with the transmission case, the surface upper left side of transmission case is equipped with the output wheel, the outer wall meshing of output wheel is connected with the belt, the inner wall left side meshing of belt is connected with the rotor, the surface lower right side fixedly connected with regulating box of transmission case, the top right side fixedly connected with control cabinet of frame, the inside of regulating box is equipped with tightening mechanism, the top of transmission case is equipped with damper.

Preferably, the tightening mechanism comprises a motor, the motor is fixedly connected to the top of the adjusting box, the bottom end of the motor is fixedly connected with a transmission shaft, and the bottom end of the transmission shaft penetrates through the adjusting box and is fixedly connected with a first bevel gear.

Preferably, the lower left side of the first conical gear is connected with a second conical gear in a meshed mode, the inner wall of the second conical gear is movably connected with a screw rod, and the inner wall of the second conical gear is provided with a threaded hole corresponding to the screw rod.

Preferably, the left end of screw rod runs through the regulating box and fixedly connected with carriage, the inside swing joint of carriage has the regulating wheel, the outer wall meshing of regulating wheel is connected on the inner wall right side of belt, spacing slide that corresponds with the carriage has been seted up on the surface of transmission case.

Preferably, the damping mechanism comprises a limiting cylinder, the bottom swing joint of the limiting cylinder is arranged on two sides of the top of the transmission case, a telescopic rod is inserted at the top of the limiting cylinder, the top swing joint of the telescopic rod is arranged on the top of the inside of the frame, a spring is fixedly connected to the top of the outer wall of the telescopic rod, the bottom of the spring is fixedly connected to the middle of the outer wall of the limiting cylinder, a damper is movably connected to the middle of the top of the transmission case, and the top swing joint of the damper is arranged on the top of the inside of the frame.

Preferably, the damping mechanism further comprises a rotating beam, the right end of the rotating beam is fixedly connected to the left side of the adjusting box, and the left end of the rotating beam is movably connected to the outer wall of the rotating shaft of the rotating wheel.

Compared with the prior art, the utility model has the beneficial effects that:

this kind of drive box protection machanism for caterpillar tractor is provided with tightening mechanism, and through control cabinet starter motor corotation, the motor drives transmission shaft and conical gear and rotates for the screw rod drives carriage and regulating wheel and slides along spacing slide right, through above-mentioned design, realizes tightening up the belt, avoids partial belt to be out of shape and lengthen and relax easily in long-time operation, thereby avoids the output efficiency of transfer box lower, makes work efficiency obtain improving, has improved the stability and the practicality of device.

This kind of drive box protection machanism for caterpillar tractor is provided with damper, drives the spacing rotation of walking beam and drive box through the vibrations of frame, and the drive box receives the restriction at spring and attenuator for the vibrations of drive box reduce, through above-mentioned design, realize the spacing shock attenuation to the drive box, avoid part output wheel to be difficult to hug closely the belt inner wall at the in-process of vibrations, thereby avoid part belt to drop, make work efficiency obtain improving, improved the protectiveness and the practicality of device.

Drawings

FIG. 1 is a first elevational schematic cross-section of the structure of the present utility model;

FIG. 2 is a second elevational schematic cross-section of the structure of the present utility model;

FIG. 3 is a schematic elevational view in partial cross-section of the frame and tightening mechanism of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

In the figure: 11. a frame; 12. a transmission case; 13. an output wheel; 14. a belt; 15. a rotating wheel; 16. an adjusting box; 17. a console; 2. a tightening mechanism; 21. a motor; 22. a transmission shaft; 23. a first bevel gear; 24. a second bevel gear; 25. a screw; 26. a threaded hole; 27. a carriage; 28. an adjusting wheel; 29. limiting slide ways; 3. a damping mechanism; 31. a limiting cylinder; 32. a telescopic rod; 33. a spring; 34. a damper; 35. and rotating the beam.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided:

a gearbox protection mechanism for a crawler tractor, comprising:

the frame 11, the inside of frame 11 is equipped with transmission case 12, and the surface upper left side of transmission case 12 is equipped with output wheel 13, and the outer wall meshing of output wheel 13 is connected with belt 14, and the inner wall left side meshing of belt 14 is connected with rotor 15, and the surface lower right side fixedly connected with adjustment tank 16 of transmission case 12, the top right side fixedly connected with control cabinet 17 of frame 11, the inside of adjustment tank 16 is equipped with tightening mechanism 2, and the top of transmission case 12 is equipped with damper 3.

The tightening mechanism 2 comprises a motor 21, the motor 21 is fixedly connected to the top of the adjusting box 16, the bottom end of the motor 21 is fixedly connected with a transmission shaft 22, the bottom end of the transmission shaft 22 penetrates through the adjusting box 16 and is fixedly connected with a first conical gear 23, limiting rotation of the first conical gear 23 is achieved through the design, a second conical gear 24 is connected to the lower left side of the first conical gear 23 in a meshed mode, a screw rod 25 is movably connected to the inner wall of the second conical gear 24, a threaded hole 26 corresponding to the screw rod 25 is formed in the inner wall of the second conical gear 24, the second conical gear 24 is enabled to drive the screw rod 25 to slide left and right through the design, the left end of the screw rod 25 penetrates through the adjusting box 16 and is fixedly connected with a sliding frame 27, an adjusting wheel 28 is movably connected to the inner wall of the adjusting wheel 28, a limiting slide way 29 corresponding to the sliding frame 27 is formed in the surface of the driving box 12, and left and right sides of the adjusting wheel 28 are achieved through the design.

The damping mechanism 3 comprises a limiting cylinder 31, the bottom end of the limiting cylinder 31 is movably connected to the two sides of the top of the transmission case 12, a telescopic rod 32 is inserted into the top of the limiting cylinder 31, the top of the telescopic rod 32 is movably connected to the inner top end of the frame 11, a spring 33 is fixedly connected to the top of the outer wall of the telescopic rod 32, the bottom of the spring 33 is fixedly connected to the middle of the outer wall of the limiting cylinder 31, a damper 34 is movably connected to the middle of the top of the transmission case 12, the top end of the damper 34 is movably connected to the inner top end of the frame 11, damping of the transmission case 12 is achieved through the design, the damping mechanism 3 further comprises a rotating beam 35, the right end of the rotating beam 35 is fixedly connected to the left side of the adjusting case 16, the left end of the rotating beam 35 is movably connected to the outer wall of a rotating shaft of the rotating wheel 15, and limiting rotation of the transmission case 12 is achieved through the design.

Working principle: when the belt 14 needs to be tightened, the motor 21 is started to rotate positively through the console 17, the motor 21 drives the transmission shaft 22 to rotate, the transmission shaft 22 drives the first bevel gear 23 to rotate synchronously, the first bevel gear 23 is meshed to drive the second bevel gear 24 to rotate, the screw 25 is limited by the threaded hole 26, the screw 25 drives the sliding frame 27 to slide rightwards along the limiting slide way 29, and the sliding frame 27 drives the adjusting wheel 28 to slide synchronously, so that tightening operation of the belt 14 is realized.

When the transmission case 12 needs to be subjected to limit damping, the rotation beam 35 is driven to rotate in a limit mode through vibration of the frame 11, the rotation beam 35 drives the transmission case 12 to rotate synchronously, the transmission case 12 is limited by the springs 33 and the dampers 34, vibration of the transmission case is reduced, limit damping operation of the transmission case 12 is achieved, and the operation ends.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a crawler tractor is with transmission case protection machanism, includes frame (11), its characterized in that: the inside of frame (11) is equipped with transmission case (12), the upper left side of surface of transmission case (12) is equipped with output wheel (13), the outer wall meshing of output wheel (13) is connected with belt (14), the inner wall left side meshing of belt (14) is connected with rotor (15), the surface lower right side fixedly connected with regulating box (16) of transmission case (12), the top right side fixedly connected with control cabinet (17) of frame (11), the inside of regulating box (16) is equipped with tightening mechanism (2), the top of transmission case (12) is equipped with damper (3).

2. The transmission case protection mechanism for a crawler tractor according to claim 1, wherein: the tightening mechanism (2) comprises a motor (21), the motor (21) is fixedly connected to the top of the adjusting box (16), a transmission shaft (22) is fixedly connected to the bottom end of the motor (21), and the bottom end of the transmission shaft (22) penetrates through the adjusting box (16) and is fixedly connected with a first bevel gear (23).

3. A gear box protection mechanism for a crawler tractor according to claim 2, wherein: the left side below meshing of first conical gear (23) is connected with second conical gear (24), the inner wall swing joint of second conical gear (24) has screw rod (25), screw hole (26) that corresponds with screw rod (25) are seted up to the inner wall of second conical gear (24).

4. A gear box protection mechanism for a crawler tractor according to claim 3, wherein: the left end of screw rod (25) runs through adjustment case (16) and fixedly connected with carriage (27), the inside swing joint of carriage (27) has regulating wheel (28), the outer wall meshing of regulating wheel (28) is connected on the inner wall right side of belt (14), spacing slide (29) that correspond with carriage (27) have been seted up on the surface of transmission case (12).

5. The transmission case protection mechanism for a crawler tractor according to claim 1, wherein: the damping mechanism (3) comprises a limiting cylinder (31), wherein the bottom end of the limiting cylinder (31) is movably connected to the two sides of the top of a transmission case (12), a telescopic rod (32) is inserted into the top of the limiting cylinder (31), the top of the telescopic rod (32) is movably connected to the inner top end of a frame (11), a spring (33) is fixedly connected to the top of the outer wall of the telescopic rod (32), the bottom of the spring (33) is fixedly connected to the middle of the outer wall of the limiting cylinder (31), a damper (34) is movably connected to the middle of the top of the transmission case (12), and the top of the damper (34) is movably connected to the inner top end of the frame (11).

6. The transmission case protection mechanism for a crawler tractor according to claim 5, wherein: the damping mechanism (3) further comprises a rotating beam (35), the right end of the rotating beam (35) is fixedly connected to the left side of the adjusting box (16), and the left end of the rotating beam (35) is movably connected to the outer wall of the rotating shaft of the rotating wheel (15).