CN219583875U - Traction assembly and tractor - Google Patents

Abstract

The utility model provides a traction assembly, which is used on a tractor and comprises a gearbox, a traction seat assembly and a rear frame which are sequentially connected, wherein one end, close to the traction seat assembly, of the gearbox is provided with a universal joint transmission shaft for transmitting power; the traction seat assembly comprises a traction front section and a traction rear section, wherein the traction front section is used for being connected with the gearbox, the traction rear section is used for being connected with the rear frame, and one end of the traction front section is movably connected with one end of the traction rear section; the rear frame comprises a traction sleeve, and one end of the traction seat assembly, which is away from the gearbox, is arranged in the traction sleeve. Compared with the traction device with the existing structure, the traction assembly with the structure better solves the defects of the existing traction device, namely, the traction assembly with the structure has the advantages of large steering angle, small turning radius and quieter power transmission. In addition, the utility model also provides a tractor comprising the traction assembly.

Description

Traction assembly and tractor

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a traction assembly and a tractor.

Background

In recent years, with the continuous development of economy and technology, agricultural machines of various structures, such as tractors, etc., are becoming increasingly popular for use in agricultural production activities.

The tractor of current structure, power pass through the gearbox and transmit to the fifth wheel assembly, and rethread fifth wheel assembly transmits to the back frame, then, the fifth wheel assembly of current structure, and in the use, ubiquitous steering angle is less relatively, leads to tractor turn radius too big. Meanwhile, the transmission shaft has the problems of abnormal sound and the like in the power transmission process. Again, when the tractor is traveling over rough and bumpy roads, the tractor head also has the problem of being prone to rollover.

In view of the foregoing, it would be desirable to provide a traction assembly with a large steering angle, a small turning radius, and a quieter power transmission, and a tractor comprising the traction assembly.

Disclosure of Invention

The utility model aims to solve the technical problems that: a traction assembly having a large steering angle, a small turning radius, and a quieter power transmission, and a tractor including the traction assembly, are provided.

The solution of the utility model is realized as follows: the utility model provides a traction assembly, which is used on a tractor, and comprises a gearbox, a traction seat assembly and a rear frame which are sequentially connected, wherein one end, close to the traction seat assembly, of the gearbox is provided with a universal joint transmission shaft for transmitting power; the traction seat assembly comprises a traction front section and a traction rear section, wherein the traction front section is used for being connected with the gearbox, the traction rear section is used for being connected with the rear frame, and one end of the traction front section is movably connected with one end of the traction rear section; the rear frame comprises a traction sleeve, and one end of the traction seat assembly, which is away from the gearbox, is arranged in the traction sleeve. Compared with the traction device with the existing structure, the traction assembly with the structure better solves the defects of the existing traction device, namely, the traction assembly with the structure has the advantages of large steering angle, small turning radius and quieter power transmission.

The other technical scheme of the utility model is that on the basis of the above, the periphery of the traction sleeve is also provided with a fixing plate for fixing the traction sleeve.

The other technical scheme of the utility model is that on the basis of the above, one end of the fixed plate, which is close to the traction seat assembly, is also provided with a plurality of limit pins.

The other technical scheme of the utility model is that on the basis of the above, the limiting pin shaft comprises a first limiting pin shaft and a second limiting pin shaft, and the first limiting pin shaft and the second limiting pin shaft are oppositely arranged.

The other technical scheme of the utility model is that on the basis of the above, one end of the traction rear section, which is close to the rear frame, is also provided with a plurality of limit baffles, and the limit baffles are arranged opposite to the limit pin shafts.

The other technical scheme of the utility model is that the limit baffle comprises a first limit baffle and a second limit baffle on the basis of the above, and the first limit baffle and the second limit baffle are respectively arranged on two sides of the traction rear section.

The traction seat assembly further comprises a traction nut used for fixing the traction sleeve assembly and the traction sleeve, and the traction nut is detachably arranged at one end of the traction sleeve, which is away from the traction seat assembly.

The traction seat assembly further comprises a bolt, and the traction front section and the traction rear section are hinged through the bolt.

The other technical scheme of the utility model is that on the basis of the above, the traction front section comprises two traction plates which are arranged in parallel, and the bolt is arranged at one end of the two traction plates, which is close to the traction rear section.

In another aspect, the utility model also provides a tractor comprising a traction assembly, the traction assembly being as described in any one of the preceding claims.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic illustration of a traction assembly of the present utility model;

FIG. 2 is a schematic cross-sectional view taken in the direction A-A of FIG. 1.

The reference sign correspondence is:

universal joint transmission shaft of 1 gearbox 11 flange plate 12

2 traction seat assembly 21 traction front section 22 traction rear section

23 bolt 24 first limit baffle 25 traction nut

26 second limit baffle

3 rear frame

31 first limit pin 32 traction sleeve 33 fixing plate

34 second spacing pin

Detailed Description

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the utility model in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.

In the embodiment of the present utility model, please refer to the traction assembly shown in fig. 1 and 2, for use on a tractor, the traction assembly includes a gearbox 1, a traction seat assembly 2 and a rear frame 3 connected in sequence, wherein one end of the gearbox 1, which is close to the traction seat assembly 2, i.e. the right end shown in fig. 1 is provided with a universal joint transmission shaft 12 for transmitting power. The fifth wheel assembly 2 comprises a fifth wheel 21 for connection to the gearbox 1 and a sixth wheel 22 for connection to the rear frame 3, wherein one end of the fifth wheel 21, i.e. the right end shown in fig. 1, is movably connected to one end of the sixth wheel 22, i.e. the left end shown in fig. 1. For the rear frame 3, which in particular comprises a traction jacket 32, the end of the fifth wheel assembly 2 facing away from the gearbox 1, i.e. the right end as viewed in fig. 1, is placed in the traction jacket 32. Compared with the traction device with the existing structure, the traction assembly with the structure better solves the defects of the existing traction device, namely, the traction assembly with the structure has the advantages of large steering angle, small turning radius and quieter power transmission.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the outer periphery of the traction sleeve 32 is further provided with a fixing plate 33 for fixing the traction sleeve 32.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the fixing plate 33 is disposed at one end near the fifth wheel assembly 2, i.e. the left end in the drawing, and a plurality of limiting pins are further disposed.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the limiting pin shaft includes a first limiting pin shaft 31 and a second limiting pin shaft 34, where the first limiting pin shaft 31 and the second limiting pin shaft 34 are disposed opposite to each other.

On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 1 and 2, a plurality of limit baffles are further disposed on one end of the traction rear section 22 near the rear frame 3, i.e. the right end shown in fig. 1, and the limit baffles are disposed opposite to the limit pins.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the limit stop includes a first limit stop 24 and a second limit stop 26, and the first limit stop 24 and the second limit stop 26 are disposed on two sides of the traction rear section 22 respectively.

In another embodiment of the present utility model, as shown in fig. 1, the traction seat assembly 2 further includes a traction nut 25 for fixing the traction sleeve 32 assembly and the traction sleeve 32, the traction nut 25 is detachably disposed at one end of the traction sleeve 32 away from the traction seat assembly 2, that is, the right end in the drawing, and one end of the traction nut 25 is provided with threads, the traction sleeve 32 is further provided with a threaded hole, and the traction cap is screwed into the threaded hole.

In another embodiment of the present utility model, as shown in fig. 1, the fifth wheel assembly 2 further includes a latch 23, the front traction section 21 and the rear traction section 22 are hinged by the latch 23, and the front traction section 21 and the rear traction section 22 are rotatable around the latch 23.

In another embodiment of the present utility model, as shown in fig. 1, the traction front section 21 specifically includes two traction plates arranged in parallel, and the latch 23 is disposed at one end of the two traction plates near the traction rear section 22.

In addition, the gearbox 1 is close to one end of the traction seat assembly 2, namely the right end shown in fig. 1 is further provided with a flange plate 11, the gearbox 1 is connected with the universal joint transmission shaft 12 through the flange plate 11, and when the gearbox 1 works, power is output through the flange plate 11 and then transmitted to the universal joint transmission shaft 12, so that power transmission is achieved. For the joint drive shaft 12 connection, preferably a duplex joint drive shaft 12 connection.

Compared with the traction device with the existing structure, the traction assembly with the structure has the advantages that the existing traction device is good in solving the defects of large steering angle, small turning radius and quieter in power transmission, and can prevent the tractor head from turning on one side when the tractor walks on a road with high and low fluctuation, and the safety is better by arranging the duplex universal joint transmission shaft, the limit baffle plate, the limit pin shaft and the like.

In another aspect, the present utility model also provides a tractor comprising a traction assembly, in particular a traction assembly as described above.

The tractor with the structure has the advantages of better trafficability and safety correspondingly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The traction assembly is used on a tractor and is characterized by comprising a gearbox, a traction seat assembly and a rear frame which are sequentially connected, wherein one end, close to the traction seat assembly, of the gearbox is provided with a universal joint transmission shaft for transmitting power;

the traction seat assembly comprises a traction front section and a traction rear section, wherein the traction front section is used for being connected with the gearbox, the traction rear section is used for being connected with the rear frame, and one end of the traction front section is movably connected with one end of the traction rear section;

the rear frame comprises a traction sleeve, and one end of the traction seat assembly, which is away from the gearbox, is arranged in the traction sleeve.

2. The draft assembly of claim 1 wherein the periphery of said draft tube is further provided with a securing plate for securing the draft tube.

3. The draft assembly according to claim 2 wherein said fixed plate further has a plurality of limit pins at an end thereof adjacent said draft sill assembly.

4. The traction assembly of claim 3, wherein the limit pin comprises a first limit pin and a second limit pin, the first limit pin and the second limit pin being disposed opposite one another.

5. The traction assembly of claim 4, wherein a plurality of limit baffles are further arranged on one end of the traction rear section, which is close to the rear frame, and the limit baffles are arranged opposite to the limit pin shafts.

6. The draft assembly of claim 5, wherein said limit stops include a first limit stop and a second limit stop, said first limit stop and said second limit stop being disposed on opposite sides of said draft back section, respectively.

7. The draft assembly of claim 6, wherein said draft gear assembly further includes a draft nut for securing said draft gear assembly and draft gear, said draft nut being removably disposed at an end of said draft gear facing away from said draft gear assembly.

8. The draft assembly of claim 7, wherein said draft gear assembly further includes a latch, said front draft gear section being hinged to said rear draft gear section by said latch.

9. The draft assembly of claim 8 wherein said front draft tube includes two parallel draft plates and said latch is disposed at one end of two of said draft plates adjacent said rear draft tube.

10. A tractor comprising a traction assembly, wherein the traction assembly is as claimed in any one of claims 1 to 9.