Traction towing device of agricultural mechanical equipment and agricultural machinery

Abstract

The utility model belongs to the technical field of agricultural mechanical equipment, and particularly relates to a traction towing device of agricultural mechanical equipment and agricultural machine.The traction towing device comprises a connecting module, a towing assembly and a traction assembly, and the towing assembly and the traction assembly are integrally installed on the connecting module and can be independently disassembled and assembled. The agricultural machine comprises an agricultural machine body, an agricultural implement and a connecting assembly connecting the agricultural machine body and the agricultural implement, and the connecting assembly is divided into a pulling assembly and a traction assembly according to different working conditions. In the application, under the non-operation working condition, the pulling assembly and the traction assembly are both installed on the connecting module, under the operation working condition, one of the pulling assembly and the traction assembly can be separated from the connecting module according to the type of the operation working condition, in other words, the pulling assembly and the traction assembly share the connecting module, and respective connecting components do not need to be independently arranged; therefore, the number of components of the towing assembly and the traction assembly is reduced, and the structural redundancy of the traction towing device is reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of agricultural machinery equipment, and particularly relates to a traction towing device of agricultural machinery equipment and agricultural machinery. BACKGROUND

[0002] The traction towing device is a key component in the field of agricultural machinery, and is mainly used for connecting a tractor and a farm implement or a transport trailer. In a traditional design, the traction device and the towing device adopt a separate structure, and are respectively installed and used according to the operation requirement: the traction device is used for field operation of the farm implement, and the towing device is used for a transportation task. Although this kind of separate design can meet the basic functional requirement, two sets of independent systems need to be equipped to adapt to different operation scenes, resulting in the problem of structural redundancy. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide a traction towing device of agricultural machinery equipment and agricultural machinery, and aims to reduce the structural redundancy of the agricultural machinery.

[0004] In order to achieve the above-mentioned purpose, the application provides a traction towing device of agricultural machinery equipment in one aspect, which comprises:

[0005] A connecting module is used for connecting a main body of the agricultural machinery.

[0006] A towing assembly and a traction assembly are integrally installed on the connecting module and can be independently disassembled, and the towing assembly and the connecting module and / or the traction assembly and the connecting module are in position-adjustable connection.

[0007] In some embodiments, the connecting module comprises a main body connecting piece, a traction connecting piece and a towing connecting piece which are sequentially connected into one body, the main body connecting piece is used for connecting the main body of the agricultural machinery, the traction connecting piece is connected with the traction assembly, and the towing connecting piece is connected with the towing assembly.

[0008] In some embodiments, a towing connecting groove is formed on the towing connecting piece, the towing assembly is in plug-in cooperation with the towing connecting groove and is detachably connected with the towing connecting piece.

[0009] In some embodiments, the traction assembly comprises a first bracket which is formed with a traction connecting groove, the traction connecting piece is in plug-in cooperation with the traction connecting groove and is detachably connected with the first bracket.

[0010] In some embodiments, a plurality of groups of traction mounting holes are formed on the traction connecting piece and are arranged at intervals in the front-rear direction, and the first bracket is detachably connected with the traction mounting holes.

[0011] In some embodiments, the traction assembly further comprises a traction rod, a rotation limiting hole is formed on the first bracket, and the traction rod passes through the rotation limiting hole and is rotationally connected with the main body of the agricultural machine.

[0012] In some embodiments, the traction assembly further comprises a swing pin and a second bracket, the traction rod passes through the second bracket, the swing pin passes through the second bracket and the traction rod, and the second bracket is arranged in a spaced manner with the first bracket and is used to be connected with the main body of the agricultural machine, so that the traction rod is rotationally connected with the main body of the agricultural machine through the swing pin.

[0013] In some embodiments, an end of the swing pin is formed with a limiting socket, and the traction assembly further comprises a limiting pressing plate which is detachably connected with the second bracket, and the limiting pressing plate is formed with a limiting protrusion which is limitedly matched with the limiting socket.

[0014] In some embodiments, the towed connection member comprises two towed connection portions which are arranged in a spaced manner in the left-right direction, the traction connection member comprises two traction connection portions which are arranged in a spaced manner in the left-right direction, the towed connection portions are located outside the traction connection portions, and an arc-shaped transition portion is connected between the towed connection portions and the traction connection portions which are located on the same side.

[0015] Another aspect of the present application provides an agricultural machine comprising the traction towed device of the agricultural machine equipment as described above.

[0016] Through the above technical solutions, the traction towed device of the agricultural machine equipment and the agricultural machine provided by the present application have the following beneficial effects:

[0017] The traction towed device is used to realize the connection between the main body of the agricultural machine and the agricultural implement, the working conditions of the agricultural machine include field working conditions and transportation working conditions, the traction assembly is selected to meet the requirements of the field working conditions, and the towed assembly is selected to meet the requirements of the transportation working conditions; in the non-working condition, the towed assembly and the traction assembly are both installed on the connection module. In the present application, the integration and modularization of the traction towed device are realized by integrally installing the towed assembly and the traction assembly on the connection module and enabling the towed assembly and the traction assembly to be independently disassembled, so that the towed assembly and the traction assembly can share the connection module, thereby reducing the number of components included in the towed assembly and the traction assembly respectively, and further reducing the structural redundancy of the agricultural machine.

[0018] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of embodiments of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application, and together with the description serve to explain the principles of the application. The drawings provided herein are for illustrative purposes only and, as such, are not necessarily drawn to scale, and do not purport to be used to limit or otherwise define the scope of the application. In the drawings:

[0020] Figure 1 is a perspective view of a towing hitch according to an embodiment of the application;

[0021] Figure 2 is a plan view of a towing hitch according to an embodiment of the application;

[0022] Figure 3 is Figure 2 is an enlarged view of part A in the figure;

[0023] Figure 4 is a schematic view of a towing hitch (towing assembly) according to an embodiment of the application;

[0024] Figure 5 is a schematic view of a towing hitch (towing assembly) according to an embodiment of the application;

[0025] Figure 6 is a schematic view of a connection module according to an embodiment of the application;

[0026] Figure 7 is a schematic view of a swing pin according to an embodiment of the application.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 100, towing hitch; 200, main body of agricultural machine; 1, towing assembly; 11, towing head; 12, towing pin; 2, towing assembly; 21, first bracket; 211, rotation limiting hole; 212, towing connecting slot; 22, towing rod; 23, towing pin; 24, swing pin; 241, limiting clamping port; 25, limiting pressing plate; 26, second bracket; 27, connecting pin; 3, connection module; 31, main body connecting piece; 311, vertical connecting part; 312, horizontal connecting part; 32, towing connecting piece; 321, towing mounting hole; 33, towing connecting piece; 331, towing connecting slot; 332, towing mounting hole; 34, arc-shaped transition part. DETAILED DESCRIPTION

[0029] Embodiments of the application will be described in detail with reference to the drawings, whereupon the specific embodiments described herein are intended to be illustrative only and not limiting of the application. It should be understood that the specific embodiments described herein are intended to be illustrative only and not limiting of the application.

[0030] The traction hitch 100 of the agricultural machine and the agricultural machine terminology part of the present application are described below with reference to the accompanying drawings.

[0031] As shown in the drawings, Figures 1 to 3 The specific embodiments of the present application provide a traction hitch 100 of an agricultural machine, which comprises a connecting module 3, a towed assembly 1 and a traction assembly 2, wherein the connecting module 3 is used to connect the agricultural machine body 200; the towed assembly 1 and the traction assembly 2 are integrally installed on the connecting module 3 and can be independently disassembled, and the positions between the towed assembly 1 and the connecting module 3 and / or between the traction assembly 2 and the connecting module 3 are adjustably connected.

[0032] The agricultural machine comprises an agricultural machine body 200 and an agricultural implement, and different types of agricultural implements and different connection modes of the agricultural implement and the agricultural machine body 200 are selected according to different working conditions. Different connection modes are switched by selecting different connection assemblies, and the connection assemblies are divided into a towed assembly 1 and a traction assembly 2. In the present application, in a non-working condition, the towed assembly 1 and the traction assembly 2 are both installed on the connecting module 3 to realize the integration of the traction hitch 100, and in a working condition, one of the towed assembly 1 and the traction assembly 2 can be separated from the connecting module 3 according to the type of the working condition to realize the modularization of the traction hitch 100. In other words, the towed assembly 1 and the traction assembly 2 share the connecting module 3 without the need to separately provide their own connecting members. It can be seen that the number of components of the towed assembly 1 and the traction assembly 2 is reduced, and the structural redundancy of the traction hitch 100 is reduced.

[0033] Moreover, a larger number of components means a relatively high space occupancy rate, and reducing the number of components can simultaneously reduce the space occupancy rate.

[0034] In addition, a larger number of components also means that the procurement, maintenance and replacement costs of each component will increase, and reducing the number of components can simultaneously reduce the production costs in the early stage and the maintenance costs in the later stage.

[0035] It can also be understood that if the towed assembly 1 and the traction assembly 2 are respectively provided with connecting members to form independent complete sets, then the towed assembly 1 and the connecting members, the agricultural machine body 200 and the connecting members, and the traction assembly 2 all need to be disassembled. In other words, the operation steps of disassembly are more complicated. It can be seen that the traction hitch 100 provided by the present application can also simplify the operation steps of disassembling the towed assembly 1 and the traction assembly 2, thereby improving the work efficiency and reducing the skill requirements of the driver.

[0036] As shown in the drawings, Figure 4 and Figure 5Specifically, the working conditions include a field working condition and a transportation working condition: the field working condition corresponds to selecting the traction assembly 2 to connect the agricultural implement and the connection module 3, and disassembling the towing assembly 1; and the transportation working condition corresponds to selecting the towing assembly 1 to connect the agricultural implement and the connection module 3, and disassembling the traction assembly 2.

[0037] As shown in Figure 1 and Figure 2 In some embodiments, detachable connections are achieved between the traction assembly 2 and the connection module 3, and between the towing assembly 1 and the connection module 3, by using fasteners, such as bolts and pins. The fastening connection has the advantages of quick and easy disassembly, thereby improving the disassembly convenience of the traction towing device 100 and thus improving the work efficiency.

[0038] As shown in Figure 6 In some embodiments, the connection module 3 includes a main connecting piece 31, a traction connecting piece 32 and a towing connecting piece 33 connected in sequence.

[0039] Specifically, the main connecting piece 31 is used to connect the agricultural machine main body 200, the traction connecting piece 32 is connected with the traction assembly 2, and the towing connecting piece 33 is connected with the towing assembly 1. In other words, the connection module 3 includes different connecting pieces connected with different components, thereby avoiding interference between different connecting pieces and improving the rationality of the structural arrangement of the traction towing device 100.

[0040] In addition, the main connecting piece 31, the traction connecting piece 32 and the towing connecting piece 33 are integrally made, and thus the overall strength of the connection module 3 is reliably guaranteed.

[0041] It should be noted that, in the embodiments of the present application, the terms “upper”, “lower”, “left”, “right”, “front”, “rear”, “inner” and “outer” indicate the orientation or positional relationship only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. In the description of the present application, the arrow in the drawing is taken as the orientation reference.

[0042] As shown in Figure 1 and Figure 2 In some embodiments, a towing connecting groove 331 is formed on the towing connecting piece 33, the towing assembly 1 is inserted and matched with the towing connecting groove 331 and detachably connected with the towing connecting piece 33.

[0043] As shown in Figure 6As shown, specifically, the hitching connector 33 includes two hitching connection portions arranged at intervals along the left-right direction, and a hitching connection slot 331 is formed between the two hitching connection portions. The hitching assembly 1 is inserted into the hitching connection slot 331 from back to front and is fastened and connected with the hitching connection portions. In other words, the hitching assembly 1 and the hitching connector 33 have an overlapping portion along the front-back direction. It can be seen that the connection between the hitching assembly 1 and the hitching connector 33 is compact, thereby improving the structural compactness of the towing hitching device 100 and further reducing the space occupancy of the towing hitching device 100.

[0044] Further, a plurality of hitching mounting holes 332 are formed on the hitching connection portions and are arranged at intervals along the up-down direction. The hitching assembly 1 is provided with hitching connection holes, and the hitching connection holes are connected with the hitching mounting holes 332 through fasteners. The connection of the hitching connection holes with different hitching mounting holes 332 can realize the relative movement of the hitching assembly 1 and the hitching connector 33 along the up-down direction. Since the connection positions of different types of agricultural implements and the hitching assembly 1 along the up-down direction are different, the connection of different types of agricultural implements and the connection module 3 is realized through the relative movement of the hitching assembly 1 and the hitching connector 33 along the up-down direction, thereby improving the application range of the towing hitching device 100.

[0045] Optionally, the number of hitching connection holes is greater than the number of hitching mounting holes 332, and the number of fasteners is the same as the number of hitching connection holes. In other words, a plurality of fasteners are connected between the hitching assembly 1 and the hitching connector 33. It can be seen that the connection strength between the hitching assembly 1 and the hitching connector 33 is strengthened.

[0046] It should be noted that the distance between adjacent hitching connection holes is an integer multiple of the distance between adjacent hitching mounting holes 332, so as to avoid the misalignment of the hitching connection holes and the hitching mounting holes 332.

[0047] As shown in Figure 1 and Figure 2 In some embodiments, the hitching assembly 1 includes a hitching head 11, the rear end of the hitching head 11 forms a hitching connection hole, the rear end of the hitching head 11 is inserted into the hitching connection slot 331, a hitching pin shaft 12 is arranged on the hitching head 11 and is used for connecting with agricultural implements, and the hitching head 11 is connected with the hitching mounting holes 332 at different positions along the up-down direction through the hitching connection hole, so as to realize the up-down movement of the hitching head 11 and be suitable for the connection of different agricultural implements.

[0048] As shown in Figures 1 to 3As shown, in some embodiments, the traction assembly 2 comprises a first bracket 21 formed with a traction connecting slot 212, the traction connecting piece 32 is inserted into the traction connecting slot 212 and detachably connected with the first bracket 21. The traction assembly 2 further comprises a traction rod 22, the first bracket 21 is formed with a rotation limiting hole 211, the traction rod 22 passes through the rotation limiting hole 211 and is rotationally connected with the agricultural machinery body 200.

[0049] Specifically, the traction rod 22 extends in the front-rear direction, a traction pin shaft 23 is arranged at the front end of the traction rod 22, the traction pin shaft 23 is used for connecting with the agricultural implement, and an oscillating pin shaft 24 is arranged at the rear end of the traction rod 22, the oscillating pin shaft 24 is used for connecting with the agricultural machinery body 200, and the traction rod 22 can rotate in the horizontal plane with the oscillating pin shaft 24 as the rotation shaft to realize the steering operation of the agricultural machinery body 200 driving the agricultural implement.

[0050] Further, the rotation angle of the traction rod 22 determines the steering radius of the agricultural implement, but the steering radius cannot be too large, therefore, the width of the rotation limiting hole 211 is slightly larger than the width of the traction rod 22 to limit the rotation angle of the traction rod 22, so as to limit the steering radius of the agricultural implement.

[0051] Optionally, the rotation angle range of the traction rod 22 is 0-30°.

[0052] As shown, Figures 1 to 3 In some embodiments, the traction assembly 2 further comprises the oscillating pin shaft 24 and a second bracket 26, the traction rod 22 passes through the second bracket 26, the oscillating pin shaft 24 connects the second bracket 26 and the traction rod 22, the second bracket 26 is arranged in space with the first bracket 21 and is used for connecting with the agricultural machinery body 200, so that the traction rod 22 is rotationally connected with the agricultural machinery body 200 through the oscillating pin shaft 24.

[0053] Specifically, the second bracket 26 is arranged in space with the first bracket 21 in the front-rear direction, the second bracket 26 and the first bracket 21 jointly support the traction rod 22, the second bracket 26 is located below the agricultural machinery body 200 and is fixedly connected with the agricultural machinery body 200 through a plurality of connecting pin shafts 27. The oscillating pin shaft 24 connects the second bracket 26 and the traction rod 22 from bottom to top, and the traction assembly 2 further comprises a limiting pressing plate 25 detachably connected with the agricultural machinery body 200, the limiting pressing plate 25 is arranged at the bottom of the second bracket 26 and is arranged in position with the oscillating pin shaft 24, so as to avoid the oscillating pin shaft 24 from being separated from the second bracket 26.

[0054] As shown, Figure 3 and Figure 7As shown, optionally, the end of the swing pin shaft 24 forms a limiting buckle 241, and the limiting pressing plate 25 forms a limiting protrusion matched with the limiting buckle 241. The swing pin shaft 24 is limited by the limiting pressing plate 25 to fix the swing pin shaft 24, so that the swing pin shaft 24 does not rotate to realize the rotation of the traction rod 22 around the swing pin shaft 24.

[0055] Optionally, the swing pin shaft 24 extends upward to the second bracket 26, so that the second bracket 26 is arranged in the up-down direction and spaced from the agricultural machinery body 200 after being fixed by the connecting pin shaft 27, thereby avoiding the collision between the second bracket 26 and the agricultural machinery body 200 during operation to cause wear and thus prolong the service life.

[0056] Similarly, not only can the limiting buckle 241 be arranged at the lower end of the swing pin shaft 24 and matched with the limiting pressing plate 25, but also the limiting buckle 241 can be arranged at the upper end of the swing pin shaft 24, and the limiting protrusion can be arranged at the bottom of the agricultural machinery body 200 to be matched with the limiting pressing plate 25.

[0057] Preferably, the traction rod 22 is provided with a plurality of traction positioning holes arranged in the front-rear direction, and the swing pin shaft 24 is selectively connected with the traction positioning holes to realize the adjustment of the turning radius of the agricultural implement.

[0058] As shown in Figure 1 and Figure 2 In some embodiments, the first bracket 21 includes bracket sides arranged in the left-right direction, and a traction connecting groove 212 is formed between the two bracket sides. The traction connecting piece 32 is inserted into the traction connecting groove 212 from top to bottom and is fastened to the bracket sides. In other words, the first bracket 21 and the traction connecting piece 32 have an overlapping portion in the up-down direction. It can be seen that the connection between the first bracket 21 and the traction connecting piece 32 is compact, thereby improving the structural compactness of the traction towing device 100 and reducing the space occupancy of the traction towing device 100.

[0059] As shown in Figure 6 Specifically, the traction connecting piece 32 is provided with a plurality of groups of traction mounting holes 321 arranged in the front-rear direction. The first bracket 21 is provided with a traction connecting hole. The traction connecting hole is connected with a connecting fastener and a group of traction mounting holes 321. The connection of the traction connecting hole with different groups of traction mounting holes 321 can realize the relative movement of the first bracket 21 and the traction connecting piece 32 in the front-rear direction.

[0060] The distance between the first bracket 21 and the swing pin shaft 24 also determines the turning radius of the agricultural implement. Since different types of agricultural implements require different turning radii, the relative movement of the first bracket 21 and the traction connecting piece 32 in the front-rear direction can realize the adjustment of the turning radius, thereby improving the application range of the traction towing device 100.

[0061] Optionally, there are multiple traction connection holes. Each group of traction mounting holes 321 contains the same number of traction mounting holes 321 as the number of traction connection holes. The distance between adjacent traction connection holes is equal to the distance between adjacent traction mounting holes 321 in the same group. The number of fasteners is the same as the number of traction connection holes. In other words, multiple fasteners are connected between the first bracket 21 and the traction connector 32. It can be seen that the connection strength between the first bracket 21 and the towing connector 33 is strengthened.

[0062] Preferably, each group of traction mounting holes 321 includes a plurality of traction mounting holes 321 arranged at intervals along the vertical direction, and a plurality of traction connection holes are arranged at intervals along the vertical direction.

[0063] like Figure 1 and Figure 2 As shown, in some embodiments, the first bracket 21 further includes a bracket bottom and a bracket top. The bracket bottom is connected to the bottom ends of the two bracket sides, and the bracket top is disposed above the bracket top and connected to the two bracket sides. The bracket bottom, bracket top, two bracket sides, and bracket bottom form an integral component to improve the structural strength of the first bracket 21.

[0064] Specifically, the top of the bracket divides the side of the bracket into an upper section and a lower section. The top, bottom, and lower section of the side of the bracket form a rotation limiting hole 211, while the top and upper sections of the side of the bracket form a traction connection groove 212. The traction connector 32 includes two traction connection parts arranged at intervals in the left-right direction, located inside the side of the bracket. The upper section of the side of the bracket has a traction connection hole, and the traction connection part has a traction mounting hole 321.

[0065] like Figure 6 As shown, in some embodiments, the towing connection is located outside the traction connection on the same side. Since the traction connection needs to be inserted into the traction connection slot 212, and the towing head 11 needs to be inserted into the towing connection slot 331, this arrangement helps to reduce the size of the connection module 3 and allows the towing assembly 1, the connection module 3, and the traction assembly 2 to be interlocked, thereby improving the structural compactness of the towing device 100.

[0066] Specifically, the width of the connecting module 3 gradually increases from front to back. The narrower part is connected to the traction component 2 and the connecting module 3 and the traction component 2 overlap in the vertical direction to reduce the space occupied by the traction towing device 100 in the vertical direction. The wider part is connected to the towing component 1 and the connecting module 3 and the towing component 1 overlap in the front-back direction to reduce the space occupied by the traction towing device 100 in the front-back direction.

[0067] Further, the distance between the towing assembly 1 and the hitch assembly 2 is reduced, so as to further reduce the space occupation of the hitching device 100 in the up-down direction.

[0068] Preferably, an arc-shaped transition portion 34 is connected between the hitching connections on the same side, so as to reduce the stress concentration of the connection portion between the hitching connection 32 and the towing connection 33.

[0069] As shown in FIG. 1, in some embodiments, the main body connection 31 includes a vertical connection portion 311 and a horizontal connection portion 312 which are perpendicular to each other, and the vertical connection portion 311 and the horizontal connection portion 312 are connected with two end faces of the agricultural machine main body 200 respectively. Figure 6

[0070] Specifically, the vertical connection portion 311 extends in the up-down direction, and the horizontal connection portion 312 extends in the front-rear direction, the horizontal connection portion 312 is arranged at the lower end of the vertical connection portion 311, the vertical connection portion 311 is bolted with the rear end of the agricultural machine main body 200, and the horizontal connection portion 312 is bolted with the lower end of the agricultural machine main body 200.

[0071] It should be noted that the structure of the hitching head and the hitching rod 22 is well known to those skilled in the art, and does not belong to the core of the present application, and will not be described here.

[0072] The specific embodiments of the present application also provide an agricultural machine including the hitching device 100 as described above. Since the agricultural machine adopts all embodiments of the hitching device 100, the agricultural machine has all the beneficial effects brought by the hitching device 100.

[0073] The agricultural machine includes an agricultural machine main body 200 and an agricultural implement, in the non-working condition, the hitching device 100 is installed on the agricultural machine main body 200, in the working condition, one of the towing assembly 1 and the hitch assembly 2 is selected to be removed according to the working condition, and the other of the towing assembly 1 and the hitch assembly 2 is retained to be connected with the agricultural implement.

[0074] The agricultural machine main body 200 includes a wheeled tractor, a tracked tractor, etc., and the agricultural implement includes a harvesting implement, a pesticide spraying implement, etc. according to the type of the agricultural machine. Those skilled in the art can understand that the above embodiments of the agricultural machine main body 200 and the agricultural implement do not limit the protection scope of the present application.

[0075] ​In the description of the application, it should be understood that the terms "first", "second" are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0076] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected or can communicate with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0077] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0078] Although the embodiments of the application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the application.

Claims

1. A towing hitch for an agricultural machine, characterized in that The traction towing device comprises: a connecting module (3) for connecting an agricultural machine body (200); a towing assembly (1) and a traction assembly (2), which are integrally installed on the connecting module (3) and can be independently disassembled, and the towing assembly (1) and the connecting module (3) and / or the traction assembly (2) and the connecting module (3) are in position-adjustable connection.

2. The draft hitch of an agricultural machine device according to claim 1, characterized in that, The connecting module (3) comprises a body connecting piece (31), a traction connecting piece (32) and a towing connecting piece (33) connected in sequence, the body connecting piece (31) is used for connecting the agricultural machine body (200), the traction connecting piece (32) is connected with the traction assembly (2), and the towing connecting piece (33) is connected with the towing assembly (1).

3. The draft hitch of an agricultural machine device according to claim 2, characterized in that, A towing connecting groove (331) is formed on the towing connecting piece (33), the towing assembly (1) is inserted and matched with the towing connecting groove (331) and is detachably connected with the towing connecting piece (33).

4. The draft hitch of agricultural equipment according to claim 2, characterized in that, The traction assembly (2) comprises a first bracket (21) provided with a traction connecting groove (212), the traction connecting piece (32) is inserted and matched with the traction connecting groove (212) and is detachably connected with the first bracket (21).

5. The draft hitch of agricultural machinery equipment according to claim 4, characterized in that, A plurality of groups of traction mounting holes (321) are formed on the traction connecting piece (32) and are arranged at intervals in the front-rear direction, and the first bracket (21) is selectively detachably connected with the traction mounting holes (321).

6. The draft hitch of agricultural equipment according to claim 4, characterized in that, The traction assembly (2) further comprises a traction rod (22), a rotation limiting hole (211) is formed on the first bracket (21), and the traction rod (22) penetrates through the rotation limiting hole (211) and is rotationally connected with the agricultural machine body (200).

7. The draft hitch of agricultural machinery equipment according to claim 6, characterized in that, The traction assembly (2) further comprises a swing pin shaft (24) and a second bracket (26), the traction rod (22) penetrates through the second bracket (26), the swing pin shaft (24) penetrates through the second bracket (26) and the traction rod (22), the second bracket (26) is arranged at intervals with the first bracket (21) and is used for being connected with the agricultural machine body (200), so that the traction rod (22) is rotationally connected with the agricultural machine body (200) through the swing pin shaft (24).

8. The draft hitch of agricultural machinery equipment according to claim 7, characterized in that, An end of the swing pin shaft (24) is provided with a limiting bayonet (241), the traction assembly (2) further comprises a limiting pressing plate (25) detachably connected with the second bracket (26), and the limiting pressing plate (25) is provided with a limiting protrusion limiting matched with the limiting bayonet (241).

9. Towing device for agricultural machines according to any of claims 2 to 8, characterized in that, The towing connecting piece (33) comprises two towing connecting portions arranged at intervals in the left-right direction, the traction connecting piece (32) comprises two traction connecting portions arranged at intervals in the left-right direction, the towing connecting portions are located outside the traction connecting portions, and an arc-shaped transition portion (34) is connected between the towing connecting portions and the traction connecting portions located on the same side.

10. An agricultural machine characterized by, The agricultural machine comprises a towing hitch (100) of an agricultural machine device according to any one of claims 1 to 9.

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