Traction device of carriage of irrigation vehicle

Abstract

The traction device comprises a traction seat arranged on the front side of a vehicle frame, and a connecting groove is formed in the front side of the traction seat; guide grooves are formed in the two inner walls of the connecting groove correspondingly. A follow-up block is movably connected into the guide groove. The follow-up block and the connecting groove are relatively fixed or move; a traction block is arranged between the two follow-up blocks; a traction head is arranged on the traction block; a traction hole is formed in the traction head; and a buffer mechanism is arranged between the traction block and the traction seat. Through the design of the first insertion hole and the second insertion hole, the follow-up block can move along the guide groove and is fixed at a certain horizontal position of the guide groove, so that the distance between the front carriage (body) and the rear carriage (body) is changed, and an adaptive turning radius is selected. Meanwhile, no matter where the follow-up block is fixed to the guide groove, the follow-up block can rotate at the horizontally-fixed position, and in the traction process, the follow-up block can adapt to fluctuation of the road surface and adapt to the height change between the front vehicle (body) and the rear vehicle (body).

Description

Technical Field

[0001] The utility model relates to a traction device, in particular to a traction device for an irrigation vehicle carriage, and belongs to the technical field of agricultural irrigation equipment. Background Art

[0002] Existing traction devices are generally divided into two types: flexible and rigid. Flexible traction devices can effectively reduce the impact caused by the difference in mass between the front and rear vehicle bodies during the traction process. However, this method directly applies the traction force of the front side to the flexible device, which is very prone to breakage and structural instability. The other type of rigid traction device is structurally stable, but the traction device lacks buffering. If the weight difference between the front and rear vehicle bodies is large, a strong impact force is likely to be generated between the front and rear vehicle bodies. At the same time, this rigid traction device cannot adjust the distance between the front and rear vehicles, and cannot achieve the optimal turning radius, resulting in poor driving flexibility. Therefore, it is necessary to design a traction device that can be flexibly adjusted according to specific circumstances. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a traction device for an irrigation vehicle carriage, which has strong flexibility in use, a wide range of applications, and a simple and reliable structure.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A traction device for an irrigation vehicle carriage comprises a traction seat arranged on the front side of a vehicle frame, a connecting groove being provided on the front side of the traction seat; guide grooves being provided on the two inner walls of the connecting groove; a follower block being movably connected in the guide groove; the follower block being fixed or movable relative to the connecting groove; a traction block being provided between the two follower blocks; a traction head being provided on the traction block; a traction hole being provided on the traction head; and a buffer mechanism being provided between the traction block and the traction seat.

[0006] Furthermore, the follower block is circular; the follower block is coaxially provided with a first socket; the follower block is rollingly connected in the guide groove; a plurality of second sockets are provided on the outside of the guide groove; the first socket corresponds to any second socket; the first socket and the second socket tube pass through the limiting member.

[0007] Furthermore, the limiting member includes a main rod; the main rod is divided into a threaded section and an optical axis section; an internal thread is provided in the second insertion hole relative to the threaded section; and the optical axis section is inserted into the first insertion hole.

[0008] Furthermore, the follower block rotates relative to the optical axis segment; and the traction head is arranged to protrude from the front of the traction block.

[0009] Furthermore, the buffer mechanism includes a hydraulic cylinder; the hydraulic cylinder is arranged on the traction seat; and a hydraulic rod is arranged in the hydraulic cylinder.

[0010] Furthermore, an extension arm is provided at the end of the hydraulic rod; shaft bodies are provided on both sides of the extension arm; and two fan-shaped seats are provided on the rear side of the traction block.

[0011] Furthermore, the extension arm is located between two fan-shaped seats; the two fan-shaped seats are respectively provided with an arc groove; and the shaft body is slidably connected to the arc groove.

[0012] Furthermore, a spring is provided on the outside of the hydraulic rod.

[0013] The present invention has the following beneficial effects: Through the design of the first and second sockets, the follower block can be moved along the guide groove and fixed at a certain horizontal position in the guide groove, thereby changing the spacing between the front and rear carriages (bodies) and selecting an appropriate turning radius. Furthermore, regardless of the position in the guide groove where the follower block is fixed, it can rotate within the fixed horizontal position, adapting to undulations in the road surface and changes in the height between the front and rear carriages (bodies) during traction. The above-mentioned mode is a fixed mode for the follower block, i.e., a rigid connection mode. Once the fixed position of the follower block is selected, the spacing between the front and rear carriages (bodies) remains fixed. This mode is suitable for situations where the weight difference between the front and rear carriages is small. Since this is a rigid connection, the horizontal spacing cannot be changed, and therefore the buffer mechanism does not interfere with the traction process.

[0014] The second mode is a flexible connection. In this mode, the follower block is not fixed at any position in the guide groove, but can still rotate. At this time, the traction force acts directly on the buffer mechanism through the follower block. If the weight of the rear car is much greater than that of the front car body, in the case of sudden braking, the rear car body will produce a large impact force on the front car body. At this time, the buffer mechanism can absorb part of the impact force and reduce the vibration of the front and rear car bodies caused by the impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the traction seat part from a top-down view.

[0017] Figure 3 A schematic diagram of the side structure of the fifth wheel.

[0018] Figure 4 Schematic diagram of the main rod structure.

[0019] Among them: 1 is the traction seat, 2 is the connecting groove, 3 is the guide groove, 3-1 is the second socket, 4 is the follower block, 4-1 is the first socket, 5 is the traction block, 5-1 is the traction head, 5-2 is the traction hole, 6 is the main rod, 6-1 is the threaded section, 6-2 is the optical axis section, 7 is the hydraulic cylinder, 8 is the hydraulic rod, 9 is the fan-shaped seat, 9-1 is the arc groove, and 10 is the spring. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The terms used herein, including technical and scientific terms, have the same meaning as those commonly understood by those skilled in the art, unless otherwise defined. It should be understood that the terms defined in commonly used dictionaries have the same meaning as those in the prior art.

[0022] See also Figure 1-Figure 3

[0023] A traction device for an irrigation vehicle carriage includes a traction seat 1 arranged on the front side of a frame, a connecting groove 2 being provided on the front side of the traction seat 1; guide grooves 3 are respectively provided on the two inner walls of the connecting groove 2; a follower block 4 is movably connected in the guide groove 3; the follower block 4 is fixed or movable relative to the connecting groove 2; a traction block 5 is provided between the two follower blocks 4; a traction head 5-1 is provided on the traction block 5; a traction hole 5-2 is opened on the traction head 5-1; a buffer mechanism is provided between the traction block 5 and the traction seat 1.

[0024] Furthermore, the follower block 4 is circular; the follower block 4 is coaxially provided with a first socket 4-1; the follower block 4 is rollingly connected to the guide groove 3; a plurality of second sockets 3-1 are provided on the outside of the guide groove 3; the first socket 4-1 corresponds to any second socket 3-1; the first socket 4-1 and the second socket 3-1 are passed through a limiting member.

[0025] Specifically, the follower block 4 can move along the direction of the guide groove 3 and can rotate at any position; it is fixed in the guide groove 3 by the first socket 4-1 and the second socket 3-1, and the design of the limiter can ensure that the follower block 4 can still rotate after being fixed in position. The detailed structure is as follows.

[0026] Furthermore, the limiting member includes a main rod 6; the main rod 6 is divided into a threaded section 6-1 and an optical axis section 6-2; an internal thread is provided in the second socket 3-1 relative to the threaded section 6-1; the optical axis section 6-2 is inserted into the first socket 4-1.

[0027] Furthermore, the follower block 4 rotates relative to the optical axis segment 6 - 2 ; the traction head 5 - 1 is arranged to protrude from the front of the traction block 5 .

[0028] In this embodiment, after the main rod 6 is inserted through the first insertion hole 4-1 and the second insertion hole 3-1, the threaded section 6-1 of the main rod 6 is screwed into the second insertion hole 3-1 to secure the main rod 4. Meanwhile, the optical axis section 6-2 of the main rod 6 is inserted into the first axial hole 4-1, ensuring that the follower block 4 can rotate about the optical axis section 6-2. This method not only fixes the vertical and horizontal position of the follower block 4 through the threaded section 6-1, but also ensures its circumferential rotational capability. The rotation of the follower block 4 causes the traction block 5 to rotate, adapting to the ups and downs and bumps of the vehicle.

[0029] Furthermore, the buffer mechanism includes a hydraulic cylinder 7 ; the hydraulic cylinder 7 is provided on the traction seat 1 ; and a hydraulic rod 8 is provided in the hydraulic cylinder 7 .

[0030] Furthermore, an extension arm 8 - 1 is provided at the end of the hydraulic rod 8 ; shafts 8 - 2 are provided on both sides of the extension arm 8 - 1 ; and two fan-shaped seats 9 are provided on the rear side of the traction block 5 .

[0031] Furthermore, the extension arm 8-1 is located between the two fan-shaped seats 9; the two fan-shaped seats 9 are respectively provided with an arc groove 9-1; and the shaft 8-2 is slidably connected in the arc groove 9-1.

[0032] In this embodiment, since the extension arm 8-1 is rotatably connected between the two fan-shaped seats 9, and its shaft 8-2 is slidably connected in the arc groove 9-1, when the traction block 5 rotates, the presence of the hydraulic rod 8 will not interfere with it; and the horizontal movement of the traction block 5 can still apply part of the force to the hydraulic rod 8, thereby playing the role of energy absorption and vibration reduction.

[0033] Furthermore, a spring 10 is provided on the outside of the hydraulic rod 8 .

[0034] Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A traction device for an irrigation vehicle carriage, comprising a traction seat (1) arranged on the front side of the vehicle frame, characterized in that: A connecting groove (2) is provided on the front side of the traction seat (1); guide grooves (3) are respectively provided on the two inner walls of the connecting groove (2); a follower block (4) is movably connected in the guide groove (3); the follower block (4) and the connecting groove (2) are relatively fixed or movable; a traction block (5) is provided between the two follower blocks (4); a traction head (5-1) is provided on the traction block (5); a traction hole (5-2) is opened on the traction head (5-1); and a buffer mechanism is provided between the traction block (5) and the traction seat (1).

2. The traction device for an irrigation vehicle compartment according to claim 1, characterized in that: The following block (4) is circular; the following block (4) is coaxially provided with a first socket (4-1); the following block (4) is rollingly connected to the guide groove (3); a plurality of second sockets (3-1) are provided on the outside of the guide groove (3); the first socket (4-1) corresponds to any second socket (3-1); the first socket (4-1) and the second socket (3-1) are passed through a limiting member.

3. The traction device for an irrigation vehicle compartment according to claim 2, characterized in that: The limiting member comprises a main rod (6); the main rod (6) is divided into a threaded section (6-1) and an optical axis section (6-2); an internal thread is provided in the second insertion hole (3-1) relative to the threaded section (6-1); and the optical axis section (6-2) is inserted into the first insertion hole (4-1).

4. The traction device for an irrigation vehicle compartment according to claim 3, characterized in that: The follower block (4) rotates relative to the optical axis section (6-2); and the traction head (5-1) is arranged to protrude from the front of the traction block (5).

5. The traction device for an irrigation vehicle compartment according to claim 4, characterized in that: The buffer mechanism comprises a hydraulic cylinder (7); the hydraulic cylinder (7) is arranged on the traction seat (1); and a hydraulic rod (8) is arranged in the hydraulic cylinder (7).

6. The traction device for an irrigation vehicle compartment according to claim 5, characterized in that: An extension arm (8-1) is provided at the end of the hydraulic rod (8); shaft bodies (8-2) are provided on both sides of the extension arm (8-1); and two fan-shaped seats (9) are provided on the rear side of the traction block (5).

7. The traction device for an irrigation vehicle compartment according to claim 6, characterized in that: The extension arm (8-1) is located between the two fan-shaped seats (9); the two fan-shaped seats (9) are respectively provided with an arc groove (9-1); and the shaft body (8-2) is slidably connected to the arc groove (9-1).

8. The traction device for an irrigation vehicle compartment according to claim 7, characterized in that: A spring (10) is also provided on the outside of the hydraulic rod (8).

Images