A tractor and agricultural machine

Abstract

The utility model provides a kind of and agricultural machinery, tractor includes front traction front section and traction rear section, the traction front section and traction rear section are movably connected by hinged part, the traction front section is equipped with front axle, the traction rear section is equipped with rear axle, the both ends of the front axle are equipped with first brake hub and second brake hub, the both ends of the rear axle are equipped with third brake hub and fourth brake hub;The tractor further includes telescopic part, the both ends of the telescopic part are respectively connected with the first brake hub and second brake hub;The tractor further includes pull rod assembly, one end of the pull rod assembly is movably connected with the first brake hub or second brake hub, the other end of the pull rod assembly is connected with the traction rear section;Tractor further includes linkage assembly, one end of the linkage assembly is connected with the third brake hub, the other end of the linkage assembly is connected with the traction rear section.It has the advantages of simple structure, small turning radius and high turning efficiency.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery, and in particular to a tractor and agricultural machinery. Background Technology

[0002] In recent years, with the continuous development of agricultural technology, agricultural machinery of various structures, such as tractors, has been increasingly widely used in agricultural production activities.

[0003] Tractors are among the most widely used agricultural machines, serving as both transport vehicles and traction vehicles. In many parts of my country, due to road conditions and the small, fragmented distribution of farmland, the requirements for tractor steering are relatively higher. Current tractors typically employ front-wheel steering or slalom steering, but generally, they suffer from relatively complex structures, large turning radii, and low steering efficiency.

[0004] In summary, how to provide a tractor with a simple structure, small turning radius, and high turning efficiency, as well as agricultural machinery including this tractor, has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a tractor with a simple structure, small turning radius, and high turning efficiency, as well as agricultural machinery including this tractor.

[0006] The solution of this utility model is implemented as follows: This utility model proposes a tractor, including a front traction section and a rear traction section, which are movably connected by a hinge. The front traction section is provided with a front axle, and the rear traction section is provided with a rear axle. The two ends of the front axle are respectively provided with a first brake hub and a second brake hub, and the two ends of the rear axle are respectively provided with a third brake hub and a fourth brake hub. The tractor also includes a telescopic member, the two ends of which are respectively connected to the first brake hub and the second brake hub. When the telescopic member extends or retracts, it can drive the first brake hub and the second brake hub to rotate. The tractor also includes a tie rod assembly, one end of which is movably connected to the first brake hub or the second brake hub, and the other end of which is connected to the rear traction section. When the first brake hub or the second brake hub rotates, the tie rod assembly drives the rear traction section to rotate around the hinge. The tractor also includes a linkage assembly, one end of which is connected to the third brake hub, and the other end of which is connected to the rear traction section. In this tractor structure, when the front wheels turn, the steering rear section can be rotated around the hinge part by the tie rod assembly, thereby achieving articulated steering. The linkage assembly serves to fix the third and fourth brake drums stationary. Therefore, compared with existing tractors, it has advantages such as simple structure, small turning radius, and high turning efficiency.

[0007] Another technical solution of this utility model is that, based on the above, the tie rod assembly includes a first transition arm and a first tie rod, one end of the first transition arm is movably connected to the traction front section, one end of the first tie rod is movably connected to the second brake hub, and the other end of the first tie rod is movably connected to the first transition arm.

[0008] Another technical solution of this utility model is that, based on the above, the tie rod assembly further includes a second tie rod, one end of which is movably connected to the other end of the first transition arm, and the other end of which is movably connected to the traction rear section.

[0009] Another technical solution of this utility model is that, based on the above, the tractor further includes a first straight arm, the first straight arm is connected to the second brake hub, and the end of the first pull rod near the second brake arm is movably connected to one end of the first straight arm.

[0010] Another technical solution of this utility model is that, based on the above, the tractor further includes a first crossarm and a second crossarm arranged opposite to each other, the first crossarm being disposed on the first brake drum and the second crossarm being disposed on the second brake drum.

[0011] Another technical solution of this utility model is that, based on the above, the telescopic component is a hydraulic cylinder, one end of the hydraulic cylinder is movably connected to one end of the first cross arm, and the other end of the hydraulic cylinder is movably connected to one end of the second cross arm.

[0012] Another technical solution of this utility model is that, based on the above, the linkage component includes a fourth pull rod, a third cross arm and a fourth cross arm, the third cross arm is disposed on the third brake drum, the fourth cross arm is disposed on the fourth brake drum, one end of the fourth pull rod is movably connected to the third cross arm, and the other end of the fourth pull rod is movably connected to the fourth cross arm.

[0013] Another technical solution of this utility model is that, based on the above, the linkage assembly further includes a second straight arm and a fifth tie rod. The second straight arm is disposed on one side of the fourth brake hub, one end of the fifth tie rod is movably connected to one end of the second straight arm, and the other end of the fifth tie rod is movably connected to the traction rear section.

[0014] Another technical solution of this utility model is that, based on the above, the linkage assembly further includes a second transition arm and a third tie rod. One end of the second transition arm is movably connected to the traction rear section, one end of the third tie rod is movably connected to the traction rear section, and the other ends of the third tie rod and the fifth tie rod are respectively movably connected to the other end of the second transition arm.

[0015] On the other hand, this utility model also proposes an agricultural machine, including a tractor and a carriage disposed at one end of the tractor, wherein the tractor is the tractor described above. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] Figure 1 This is a schematic diagram of the structure of a tractor according to the present invention.

[0018] The correspondence between the attached figures is as follows:

[0019] 1. First brake hub; 2. First crossarm; 3. Hydraulic cylinder

[0020] 4 Second crossarm 5 Second brake hub 6 First straight arm

[0021] 7 First pull rod 8 First transition arm 9 Second pull rod

[0022] 10 Rear Traction Section 11 Articulated Joint 12 Front Traction Section

[0023] 13 Third tie rod 14 Second transition arm 15 Third brake hub

[0024] 16 Third crossarm 17 Fourth tie rod 18 Fifth tie rod

[0025] 19 Fourth horizontal boom 20 Second straight boom 21 Hydraulic system

[0026] 22 Oil pump 23 Filter 24 Oil tank

[0027] 25 Front axle 26 Rear axle 27 Fourth brake drum Detailed Implementation

[0028] The present invention will now be described in detail with reference to the accompanying drawings. This description is merely illustrative and explanatory, and should not be construed as limiting the scope of protection of the present invention. Furthermore, those skilled in the art can combine the features in the embodiments described herein and in different embodiments according to the description in this document.

[0029] The embodiments of this utility model are as follows, please refer to them. Figure 1 The tractor shown specifically includes a front traction section 12 and a rear traction section 10, which are movably connected by a hinge 11. The front traction section 12 has a front axle 25, and the rear traction section 10 has a rear axle 26. The front axle 25 has a first crossarm 21 and a second brake hub 5 at both ends, and the rear axle 26 has a third brake hub 15 and a fourth brake hub 27 at both ends. The tractor also includes a telescopic member, whose two ends are connected to the first crossarm 21 and the second brake hub 5, respectively. When the telescopic member extends or retracts, it can drive the first crossarm 21 and the second brake hub 5 to rotate. The tractor also includes a tie rod assembly. One end of the tie rod assembly, shown as the left end, is movably connected to either the first crossarm 21 or the second brake hub 5, and the other end, shown as the right end, is connected to the rear traction section 10. When the first crossarm 21 or the second brake hub 5 rotates, the tie rod assembly can drive the rear traction section 10 to rotate around the hinge 11. The tractor also includes a linkage assembly. One end of the linkage assembly, shown as the upper end in the figure, is connected to the third brake hub 15, and the other end, shown as the lower end in the figure, is connected to the rear brake section. In this tractor structure, when the front wheels steer, the steering rear section can rotate around the hinge 11 via the tie rod assembly, thus achieving articulated steering. The linkage assembly effectively fixes the third brake hub 15 and the fourth brake hub 27 stationary. Therefore, compared with existing tractor structures, it has advantages such as simple structure, small turning radius, and high turning efficiency.

[0030] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1As shown, the tie rod assembly includes a first transition arm 8 and a first tie rod 7. One end of the first transition arm 8, i.e., the lower end shown in the figure, is movably connected to the traction front section 12. One end of the first tie rod 7, i.e., the left end shown in the figure, is movably connected to the second brake hub 5. The other end of the first tie rod 7, i.e., the right end shown in the figure, is movably connected to the first transition arm 8. When the first tie rod 7 is subjected to force, it can drive the first transition arm 8 to swing left and right around the traction front section 12.

[0031] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the tie rod assembly also includes a second tie rod 9. One end of the second tie rod 9, i.e., the left end shown in the figure, is movably connected to the other end of the first transition arm 8, i.e., the lower end shown in the figure. The other end of the second tie rod 9, i.e., the right end shown in the figure, is movably connected to the traction rear section 10. When the first transition arm 8 swings left and right, its lower end drives the traction rear section 10 to rotate around the hinge part 11 through the second tie rod 9.

[0032] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the tractor also includes a first straight arm 6, which is connected to a second brake drum 5. A first tie rod 7 is movably connected to one end of the first straight arm 6 near the second brake arm, i.e., the left end shown in the figure. When the first straight arm 6 rotates with the second brake drum 5, it drives the first transition arm 8 to rotate via the first tie rod 7.

[0033] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the tractor also includes a first crossarm and a second crossarm 4 disposed opposite to each other, the first crossarm being disposed on the first crossarm 21 and the second crossarm 4 being disposed on the second brake drum 5.

[0034] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the telescopic component is specifically a hydraulic cylinder 3. One end of the hydraulic cylinder 3, i.e. the lower end shown in the figure, is movably connected to one end of the first cross arm. The other end of the hydraulic cylinder 3, i.e. the lower end shown in the figure, is movably connected to one end of the second cross arm 4. The hydraulic cylinder 3 is a steering hydraulic cylinder. When the steering hydraulic cylinder extends or retracts, it drives the first cross arm 21 and the second brake drum 5 to move synchronously through the first cross arm and the second cross arm 4, respectively.

[0035] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1As shown, the linkage assembly specifically includes a fourth pull rod 17, a third cross arm 16, and a fourth cross arm 19. The third cross arm 16 is disposed on the third brake hub 15, and the fourth cross arm 19 is disposed on the fourth brake hub. The third brake hub 15 and the fourth brake hub 27 are disposed opposite to each other. One end of the fourth pull rod 17, i.e. the upper end shown in the figure, is movably connected to the third cross arm 16, and the other end of the fourth pull rod 17, i.e. the lower end shown in the figure, is movably connected to the fourth cross arm 19.

[0036] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the linkage assembly also includes a second straight arm 20 and a fifth tie rod 18. The second straight arm 20 is fixedly mounted on one side of the fourth brake hub 27. One end of the fifth tie rod 18, i.e. the right end shown in the figure, is movably connected to the upper end of the second straight arm 20. The other end of the fifth tie rod 18, i.e. the left end shown in the figure, is movably connected to the traction rear section 10.

[0037] Based on the above embodiments, in another embodiment of the present invention, such as Figure 1 As shown, the linkage assembly also includes a second transition arm 14 and a third tie rod 13. One end of the second transition arm 14, i.e. the upper end shown in the figure, is movably connected to the traction rear section 10. One end of the third tie rod 13, i.e. the left end shown in the figure, is movably connected to the traction rear section 10. The left end of the third tie rod 13 and the other end of the fifth tie rod 18, i.e. the left end shown in the figure, are respectively movably connected to the other end of the second transition arm 14, i.e. the lower end shown in the figure.

[0038] In addition, the tractor also includes a hydraulic system 21, which specifically includes an oil tank 24, a filter 23, and an oil pump 22. The hydraulic system 21 is connected to the oil port on the oil cylinder 3 to provide pressurized oil to the oil cylinder 3 and to provide steering power through the oil cylinder 3.

[0039] In this tractor structure, when the front wheels turn, the steering rear section can be rotated around the hinge part 11 by the tie rod assembly, thereby achieving articulated steering. Compared with existing tractors, it has advantages such as simple structure, small turning radius, and high turning efficiency.

[0040] In addition, this utility model also proposes an agricultural machine, including a tractor and a carriage disposed at one end of the tractor, specifically the tractor as described above.

[0041] Agricultural machinery with this structure, correspondingly, possesses the advantages of the aforementioned tractors.

[0042] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A tractor, characterized in that It includes a front traction section and a rear traction section, which are movably connected by a hinge. The front traction section is provided with a front axle, and the rear traction section is provided with a rear axle. The two ends of the front axle are respectively provided with a first brake hub and a second brake hub, and the two ends of the rear axle are respectively provided with a third brake hub and a fourth brake hub. The tractor also includes a telescopic component, the two ends of which are connected to the first brake hub and the second brake hub, respectively. When the telescopic component extends or retracts, it can drive the first brake hub and the second brake hub to rotate. The tractor also includes a tie rod assembly, one end of which is movably connected to the first brake drum or the second brake drum, and the other end of which is connected to the traction rear section. When the first brake drum or the second brake drum rotates, the tie rod assembly drives the traction rear section to rotate around the hinge. The tractor also includes a linkage assembly, one end of which is connected to the third brake hub, and the other end of which is connected to the traction rear section.

2. The tractor of claim 1, wherein, The tie rod assembly includes a first transition arm and a first tie rod. One end of the first transition arm is movably connected to the traction front section, one end of the first tie rod is movably connected to the second brake hub, and the other end of the first tie rod is movably connected to the first transition arm.

3. The tractor of claim 2, wherein, The tie rod assembly further includes a second tie rod, one end of which is movably connected to the other end of the first transition arm, and the other end of which is movably connected to the traction rear section.

4. The tractor according to claim 3, characterized in that, The tractor also includes a first straight arm, which is connected to the second brake hub, and the end of the first tie rod near the second brake arm is movably connected to one end of the first straight arm.

5. The tractor according to claim 4, characterized in that, The tractor also includes a first crossarm and a second crossarm disposed opposite to each other, the first crossarm being disposed on the first brake drum and the second crossarm being disposed on the second brake drum.

6. The tractor according to claim 5, characterized in that, The telescopic component is a hydraulic cylinder, one end of which is movably connected to one end of the first cross arm, and the other end of which is movably connected to one end of the second cross arm.

7. The tractor according to claim 6, characterized in that, The linkage assembly includes a fourth tie rod, a third cross arm, and a fourth cross arm. The third cross arm is disposed on the third brake drum, and the fourth cross arm is disposed on the fourth brake drum. One end of the fourth tie rod is movably connected to the third cross arm, and the other end of the fourth tie rod is movably connected to the fourth cross arm.

8. The tractor according to claim 7, characterized in that, The linkage assembly also includes a second straight arm and a fifth tie rod. The second straight arm is disposed on one side of the fourth brake hub. One end of the fifth tie rod is movably connected to one end of the second straight arm, and the other end of the fifth tie rod is movably connected to the traction rear section.

9. The tractor according to claim 8, characterized in that, The linkage assembly further includes a second transition arm and a third tie rod. One end of the second transition arm is movably connected to the traction rear section, one end of the third tie rod is movably connected to the traction rear section, and the other ends of the third tie rod and the fifth tie rod are respectively movably connected to the other end of the second transition arm.

10. An agricultural machine, comprising a tractor and a carriage disposed at one end of the tractor, characterized in that, The tractor is the tractor according to any one of claims 1 to 9.

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