Split type traction trailer structure

Abstract

The utility model relates to a split type traction trailer structure, and belongs to the field of tractor equipment. Comprising a mounting frame mechanism, a support frame mechanism, a traction mechanism, a towing mechanism and a rear axle shell, the installation frame mechanism and the supporting frame mechanism are both installed at the bottom end of the rear axle shell, the pulling and hanging mechanism is detachably installed on the side wall of the rear axle shell, the traction mechanism is connected with the installation frame mechanism and the supporting frame mechanism, and the traction mechanism and the pulling and hanging mechanism are connected with an external agricultural implement. The pulling mechanism or the traction mechanism can be selected to be connected with an external agricultural implement according to actual use conditions, the tractor can be independently connected with the traction mechanism or the pulling mechanism, and the swing posture of the traction mechanism can be adjusted according to different use conditions.

Description

Technical Field

[0001] The utility model relates to the field of tractor equipment, in particular to a split-type traction and towing structure. Background Art

[0002] As an important agricultural machine, tractors are used more and more widely. The traction and towing function is one of the important functional components of tractors, and it mainly works in the field by connecting agricultural implements. Existing tractors can be connected to a towing mechanism alone for operation, but cannot be connected to a traction mechanism alone because the traction mechanism needs to be supported by the towing mechanism. In addition, according to different actual working conditions, the traction swing rod in the traction mechanism needs to be adjusted, and it is impossible to ensure both connection stability and adjustment convenience at the same time. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a split-type traction and towing structure to solve the above problems.

[0004] The technical solution of the utility model to solve the above technical problems is as follows: a split-type traction and towing structure, including: a mounting frame mechanism, a support frame mechanism, a traction mechanism, a towing mechanism and a rear axle housing; both the mounting frame mechanism and the support frame mechanism are installed at the bottom end of the rear axle housing, the towing mechanism is detachably installed on the side wall of the rear axle housing, the traction mechanism is connected to the mounting frame mechanism and the support frame mechanism, and the traction mechanism and the towing mechanism are connected to external agricultural implements.

[0005] The beneficial effects of the utility model are: by detachably installing the towing mechanism on the side wall of the rear axle housing, it is beneficial to select whether to use the towing mechanism or the traction mechanism according to the actual use working conditions, and then connect to external agricultural implements, improving the configuration flexibility, reducing the cost and reducing unnecessary waste; connecting the traction mechanism to the mounting frame mechanism and the support frame mechanism is beneficial to make the connection and fixation of the traction mechanism not depend on the towing mechanism, and then realize the connection of the tractor to the traction mechanism or the towing mechanism alone; the connection between the traction mechanism and the support frame mechanism is beneficial to adjust the swing posture of the traction mechanism according to different use working conditions.

[0006] On the basis of the above technical solutions, the utility model can also be improved as follows.

[0007] Further, the traction mechanism includes: a swing rod, a traction fixing plate, a traction pin, a handle, a chain, and a locking pin; both the swing rod and the traction fixing plate are Z-shaped plate structures, the traction fixing plate is installed on the swing rod, the traction pin passes through the swing rod and the traction fixing plate, the handle is installed at the top end of the traction pin, two ends of the chain are respectively connected to the top end of the traction pin and the locking pin, one end of the swing rod away from the traction fixing plate is connected to the installation frame mechanism, and the traction pin is connected to an external agricultural implement.

[0008] The beneficial effects of adopting the above further scheme are as follows: the swing rod, the traction fixing plate, and the traction pin are beneficial for connecting the external agricultural implement to the tractor; the handle is beneficial for lifting the traction pin, thereby realizing the connection between the external agricultural implement and the tractor; the locking pin is beneficial for preventing the handle from pulling the traction pin upward after the external agricultural implement is connected to the tractor, so as to avoid the separation between the tractor and the external agricultural implement.

[0009] Further, a pin hole is provided on the side wall of the lower end of the traction pin, the pin hole is a through hole, the locking pin is detachably inserted into the pin hole, and the pin hole is arranged below the swing rod.

[0010] The beneficial effects of adopting the above further scheme are as follows: the locking pin is detachably inserted into the pin hole, which is beneficial for selecting to perform limit locking or canceling the limit locking and then canceling the connection after connecting the tractor to the external agricultural implement according to the actual working conditions.

[0011] Further, the installation frame mechanism includes: a mounting plate, a connecting plate, a support plate, a pin shaft, a sleeve, and a first limiting component; the connecting plate is a U-shaped plate structure, the mounting plate and the sleeve are respectively installed at the top end and the bottom end of the connecting plate, the support plate is horizontally arranged inside the connecting plate and is connected to the inner walls of both sides of the connecting plate at both ends, the pin shaft sequentially passes through the mounting plate, the support plate, one end of the swing rod away from the traction fixing plate, and the connecting plate, and the lower end is arranged inside the sleeve, the first limiting component penetrates through the lower end of the pin shaft and the sleeve, and the mounting plate is installed at the bottom end of the rear axle housing through bolts.

[0012] The beneficial effects of adopting the above further scheme are as follows: the connecting plate and the support plate are beneficial for limiting the upper and lower positions of the end of the swing rod; the pin shaft is beneficial for enabling the swing rod to swing within a certain limit, improving the convenience of adjusting the connection posture between the external agricultural implement and the tractor; the first limiting component is beneficial for preventing the pin shaft from moving up and down during the working process, resulting in the loosening of the swing rod.

[0013] Furthermore, the first limiting component includes: a first limiting bolt, a limiting nut, and a first limiting pin; the first limiting bolt penetrates through the lower end of the pin shaft and the sleeve, the limiting nut is screwed onto the first limiting bolt and abuts against the side wall of the sleeve, and the first limiting pin penetrates through the side wall of the first limiting bolt near the end of the limiting nut.

[0014] The beneficial effects of adopting the above further solution are as follows: The first limiting bolt and the limiting nut are beneficial to prevent the pin shaft from moving up and down during operation, and the first limiting pin is beneficial to prevent the first limiting bolt from detaching from the lower end of the pin shaft and the sleeve after the limiting nut is loosened, thereby improving the stability and reliability of the pin shaft limiting.

[0015] Furthermore, the support frame mechanism includes: a bent mounting plate, an upper support plate, a lower support plate, a plurality of second limiting components, and a plurality of connecting bolts; the bent mounting plate is in an inverted U-shaped plate structure, the bent mounting plate is installed at the bottom end of the rear axle housing through the connecting bolts, the upper support plate and the lower support plate are respectively horizontally arranged above and below in the bent mounting plate, and both ends are respectively connected to the inner walls of both sides of the bent mounting plate. The second limiting components are connected to the upper support plate and the lower support plate, and the swing rod is arranged between the upper support plate and the lower support plate.

[0016] The beneficial effects of adopting the above further solution are as follows: The upper support plate and the lower support plate are beneficial to limit the swing rod up and down. The plurality of second limiting components are connected to the upper support plate and the lower support plate, which is beneficial to limit the swing rod between the two second limiting components, thereby ensuring the stability of the swing rod during operation.

[0017] Furthermore, a plurality of locking holes are coaxially arranged on both the upper support plate and the lower support plate, and the second limiting components pass through the locking holes.

[0018] The beneficial effects of adopting the above further solution are as follows: The coaxial arrangement of a plurality of locking holes on the upper support plate and the lower support plate is beneficial to cooperate with the second limiting components to limit the swing rod in different postures.

[0019] Furthermore, the second limiting component includes a second limiting pin shaft and a second elastic locking pin. The second limiting pin shaft passes through the locking holes on the upper support plate and the lower support plate, and the second elastic locking pin is arranged above the upper support plate and penetrates through the side wall of the second limiting pin shaft.

[0020] The beneficial effects of adopting the above further solution are as follows: The second elastic locking pin penetrating through the side wall of the second limiting pin shaft is beneficial to prevent the second limiting pin shaft from loosening and falling off the upper support plate and the lower support plate, thereby improving the stability of the swing rod limiting.

[0021] Further, the swing rod is arranged between the two second limit pin shafts.

[0022] The beneficial effect of adopting the above further scheme is: it is beneficial to adjust the posture of the swing rod according to different usage conditions.

[0023] Further, a towing hook is arranged at one end of the towing mechanism away from the rear axle housing, and the towing hook is connected to an external agricultural implement.

[0024] The beneficial effect of adopting the above further scheme is: the towing hook is beneficial to connect the external agricultural implement to the tractor, thereby realizing the towing function of the tractor. Description of the Drawings

[0025] Figure 1 is a schematic diagram of the overall structure provided by an embodiment of the present invention;

[0026] Figure 2 is a schematic diagram of the structure of the installation frame mechanism provided by an embodiment of the present invention;

[0027] Figure 3 is a front view of the installation frame mechanism provided by an embodiment of the present invention;

[0028] Figure 4 is a schematic diagram after being cut along the Figure 3 section line A-A in;

[0029] Figure 5 is a schematic diagram of the structure of the support frame mechanism provided by an embodiment of the present invention;

[0030] Figure 6 is a connection schematic diagram of the installation frame mechanism and the traction mechanism provided by an embodiment of the present invention.

[0031] In the drawings, the list of components represented by each reference numeral is as follows:

[0032] 1. Installation frame mechanism; 2. Support frame mechanism; 3. Traction mechanism; 4. Towing mechanism; 5. Rear axle housing; 11. Installation plate; 12. Connecting plate; 13. Support plate; 14. Pin shaft; 15. Sleeve; 16. First limit component; 21. Bent installation plate; 22. Upper support plate; 23. Lower support plate; 24. Second limit component; 25. Connecting bolt; 26. Locking hole; 31. Swing rod; 32. Traction fixing plate; 33. Traction pin; 34. Handle; 35. Chain; 36. Locking pin; 41. Towing hook; 161. First limit bolt; 162. Limit nut; 163. First limit pin; 241. Second limit pin shaft; 242. Second elastic locking pin; 331. Pin hole. Detailed Embodiments

[0033] The principles and features of the present utility model will be described below. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0034] As Figure 1 shown, a split traction and towing structure includes: a mounting frame mechanism 1, a support frame mechanism 2, a traction mechanism 3, a towing mechanism 4, and a rear axle housing 5; the mounting frame mechanism 1 and the support frame mechanism 2 are both installed at the bottom end of the rear axle housing 5, the towing mechanism 4 is detachably installed on the side wall of the rear axle housing 5, the traction mechanism 3 is connected to the mounting frame mechanism 1 and the support frame mechanism 2, and the traction mechanism 3 and the towing mechanism 4 are connected to external agricultural implements.

[0035] The beneficial effects of the present utility model are as follows: By detachably installing the towing mechanism on the side wall of the rear axle housing, it is beneficial to select whether to use the towing mechanism or the traction mechanism according to the actual usage conditions, and then connect to external agricultural implements, improving the configuration flexibility, reducing costs, and reducing unnecessary waste; connecting the traction mechanism to the mounting frame mechanism and the support frame mechanism is beneficial to making the connection and fixation of the traction mechanism not depend on the towing mechanism, and then realizing the connection of the tractor to the traction mechanism or the towing mechanism alone; the connection between the traction mechanism and the support frame mechanism is beneficial to adjusting the swing posture of the traction mechanism according to different usage conditions.

[0036] Preferably, as Figure 6 shown, the traction mechanism 3 includes: a swing rod 31, a traction fixing plate 32, a traction pin 33, a handle 34, a chain 35, and a locking pin 36; both the swing rod 31 and the traction fixing plate 32 are Z-shaped plate structures, the traction fixing plate 32 is installed on the swing rod 31, the traction pin 33 passes through the swing rod 31 and the traction fixing plate 32, the handle 34 is installed at the top end of the traction pin 33, both ends of the chain 35 are respectively connected to the top end of the traction pin 33 and the locking pin 36, the end of the swing rod 31 away from the traction fixing plate 32 is connected to the mounting frame mechanism 1, and the traction pin 33 is connected to an external agricultural implement.

[0037] The beneficial effects of adopting the above preferred solution are as follows: The swing rod, the traction fixing plate, and the traction pin are beneficial to connecting the external agricultural implement to the tractor. The handle is beneficial to lifting the traction pin, and then realizing the connection between the external agricultural implement and the tractor. The locking pin is beneficial to preventing the handle from pulling the traction pin upward after the external agricultural implement is connected to the tractor, thus causing the tractor to disconnect from the external agricultural implement.

[0038] Preferably, as Figure 6As shown, a pin hole 331 is provided on the side wall of the lower end of the towing pin 33. The pin hole 331 is a through hole. The locking pin 36 is detachably inserted into the pin hole 331. The pin hole 331 is provided below the swing rod 31.

[0039] The beneficial effect of adopting the above preferred solution is that the locking pin is detachably inserted into the pin hole, which is beneficial to selecting to limit and lock or cancel the limit lock and then cancel the connection after connecting the tractor to the external agricultural implement according to the actual working conditions.

[0040] Preferably, as Figures 2 to 4 shown, the mounting frame mechanism 1 includes: a mounting plate 11, a connecting plate 12, a support plate 13, a pin shaft 14, a sleeve 15 and a first limiting component 16; the connecting plate 12 is a U-shaped plate structure. The mounting plate 11 and the sleeve 15 are respectively installed at the top end and the bottom end of the connecting plate 12. The support plate 13 is horizontally arranged inside the connecting plate 12, and both ends are respectively connected to the inner walls of both sides of the connecting plate 12. The pin shaft 14 sequentially passes through the mounting plate 11, the support plate 13, the end of the swing rod 31 away from the towing fixing plate 32 and the connecting plate 12, and the lower end is arranged inside the sleeve 15. The first limiting component 16 penetrates the lower end of the pin shaft 14 and the sleeve 15. The mounting plate 11 is installed at the bottom end of the rear axle housing 5 by bolts.

[0041] The beneficial effect of adopting the above preferred solution is that the connecting plate and the support plate are beneficial to limiting the upper and lower positions of the end of the swing rod. The pin shaft is beneficial to enabling the swing rod to swing within a certain limit, improving the convenience of adjusting the connection posture between the external agricultural implement and the tractor. The first limiting component is beneficial to preventing the pin shaft from moving up and down during the working process, resulting in the loosening of the swing rod.

[0042] Preferably, as Figures 2 to 4 shown, the first limiting component 16 includes: a first limiting bolt 161, a limiting nut 162 and a first limiting pin 163; the first limiting bolt 161 penetrates the lower end of the pin shaft 14 and the sleeve 15. The limiting nut 162 is screwed with the first limiting bolt 161 and abuts against the side wall of the sleeve 15. The first limiting pin 163 penetrates the side wall of the first limiting bolt 161 near the end of the limiting nut 162.

[0043] The beneficial effect of adopting the above preferred solution is that the first limiting bolt and the limiting nut are beneficial to preventing the pin shaft from moving up and down during the working process. The first limiting pin is beneficial to preventing the first limiting bolt from detaching from the lower end of the pin shaft and the sleeve after the limiting nut is loosened, improving the stability and reliability of limiting the pin shaft.

[0044] Preferably, as Figure 5As shown, the support frame mechanism 2 includes: a bent mounting plate 21, an upper support plate 22, a lower support plate 23, a plurality of second limiting components 24, and a plurality of connecting bolts 25; the bent mounting plate 21 is an inverted U-shaped plate structure, and the bent mounting plate 21 is mounted at the bottom end of the rear axle housing 5 through the connecting bolts 25. The upper support plate 22 and the lower support plate 23 are respectively horizontally arranged above and below within the bent mounting plate 21, and both ends are respectively connected to the inner walls on both sides of the bent mounting plate 21. The second limiting components 24 are connected to the upper support plate 22 and the lower support plate 23, and the swing rod 31 is arranged between the upper support plate 22 and the lower support plate 23.

[0045] The beneficial effects of adopting the above preferred solution are: the upper support plate and the lower support plate are beneficial for vertically limiting the swing rod. The plurality of second limiting components are connected to the upper support plate and the lower support plate, which is beneficial for limiting the swing rod between the two second limiting components, thereby ensuring the stability of the swing rod during operation.

[0046] Preferably, as Figure 5 shown, a plurality of locking holes 26 are coaxially arranged on both the upper support plate 22 and the lower support plate 23, and the second limiting components 24 pass through the locking holes 26.

[0047] The beneficial effects of adopting the above preferred solution are: the coaxial arrangement of a plurality of locking holes on the upper support plate and the lower support plate is beneficial for cooperating with the second limiting components to limit the swing rod in different postures.

[0048] Preferably, as Figure 5 shown, the second limiting component 24 includes a second limiting pin shaft 241 and a second elastic locking pin 242. The second limiting pin shaft 241 passes through the locking holes 26 on the upper support plate 22 and the lower support plate 23, and the second elastic locking pin 242 is arranged above the upper support plate 22 and penetrates the side wall of the second limiting pin shaft 241.

[0049] The beneficial effects of adopting the above preferred solution are: the second elastic locking pin penetrating the side wall of the second limiting pin shaft is beneficial for preventing the second limiting pin shaft from loosening and falling out of the upper support plate and the lower support plate, and improving the stability of limiting the swing rod.

[0050] Preferably, the swing rod 31 is arranged between the two second limiting pin shafts 241.

[0051] The beneficial effects of adopting the above preferred solution are: it is beneficial for adjusting the posture of the swing rod according to different operating conditions.

[0052] Preferably, as Figure 1As shown, a towing hook 41 is provided at one end of the towing mechanism 4 away from the rear axle housing 5, and the towing hook 41 is connected to an external agricultural implement.

[0053] The beneficial effects of adopting the above preferred solution are as follows: The towing hook is conducive to connecting an external agricultural implement to the tractor, thereby realizing the towing function of the tractor.

[0054] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0055] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0058] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0059] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A split traction and towing structure, characterized in that, Including: An installation frame mechanism (1), a support frame mechanism (2), a traction mechanism (3), a towing mechanism (4), and a rear axle housing (5); the installation frame mechanism (1) and the support frame mechanism (2) are both installed at the bottom end of the rear axle housing (5), the towing mechanism (4) is detachably installed on the side wall of the rear axle housing (5), the traction mechanism (3) is connected to the installation frame mechanism (1) and the support frame mechanism (2), and the traction mechanism (3) and the towing mechanism (4) are connected to external agricultural implements.

2. The split traction and towing structure according to claim 1, characterized in that, The traction mechanism (3) includes: a swing rod (31), a traction fixing plate (32), a traction pin (33), a handle (34), a chain (35), and a locking pin (36); Both the swing rod (31) and the traction fixing plate (32) are Z-shaped plate structures, the traction fixing plate (32) is installed on the swing rod (31), the traction pin (33) passes through the swing rod (31) and the traction fixing plate (32), the handle (34) is installed at the top end of the traction pin (33), both ends of the chain (35) are respectively connected to the top end of the traction pin (33) and the locking pin (36), the end of the swing rod (31) away from the traction fixing plate (32) is connected to the installation frame mechanism (1), and the traction pin (33) is connected to an external agricultural implement.

3. The split traction and towing structure according to claim 2, characterized in that, A pin hole (331) is provided on the side wall of the lower end of the traction pin (33), the pin hole (331) is a through hole, the locking pin (36) is detachably inserted into the pin hole (331), and the pin hole (331) is provided below the swing rod (31).

4. The split traction and towing structure according to claim 2, characterized in that, The installation frame mechanism (1) includes: an installation plate (11), a connecting plate (12), a support plate (13), a pin shaft (14), a sleeve (15), and a first limiting component (16); The connecting plate (12) is a U-shaped plate structure, the installation plate (11) and the sleeve (15) are respectively installed at the top end and the bottom end of the connecting plate (12), the support plate (13) is horizontally arranged inside the connecting plate (12) and is respectively connected to the inner walls on both sides of the connecting plate (12) at both ends, the pin shaft (14) sequentially passes through the installation plate (11), the support plate (13), the end of the swing rod (31) away from the traction fixing plate (32), and the connecting plate (12), and the lower end is arranged inside the sleeve (15), the first limiting component (16) penetrates through the lower end of the pin shaft (14) and the sleeve (15), and the installation plate (11) is installed at the bottom end of the rear axle housing (5) by bolts.

5. The split-type traction and towing structure according to claim 4, characterized in that, The first limiting component (16) includes: a first limiting bolt (161), a limiting nut (162), and a first limiting pin (163); the first limiting bolt (161) penetrates through the lower end of the pin shaft (14) and the sleeve (15), the limiting nut (162) is screwed onto the first limiting bolt (161) and abuts against the side wall of the sleeve (15), and the first limiting pin (163) penetrates through the side wall of the first limiting bolt (161) near the end of the limiting nut (162).

6. The split traction and towing structure according to claim 2, wherein The support frame mechanism (2) includes: a bent mounting plate (21), an upper support plate (22), a lower support plate (23), a plurality of second limiting components (24), and a plurality of connecting bolts (25); The bent mounting plate (21) is an inverted U-shaped plate structure, the bent mounting plate (21) is mounted on the bottom end of the rear axle housing (5) through the connecting bolts (25), the upper support plate (22) and the lower support plate (23) are respectively horizontally arranged above and below inside the bent mounting plate (21), and both ends are respectively connected to the inner walls on both sides of the bent mounting plate (21), the second limiting component (24) is connected to the upper support plate (22) and the lower support plate (23), and the swing rod (31) is arranged between the upper support plate (22) and the lower support plate (23).

7. The split-type towing and trailer structure according to claim 6, wherein A plurality of locking holes (26) are coaxially arranged on both the upper support plate (22) and the lower support plate (23), and the second limiting component (24) passes through the locking holes (26).

8. The split traction and towing structure according to claim 7, wherein, The second limiting component (24) includes a second limiting pin shaft (241) and a second elastic locking pin (242), the second limiting pin shaft (241) passes through the locking holes (26) on the upper support plate (22) and the lower support plate (23), and the second elastic locking pin (242) is arranged above the upper support plate (22) and penetrates through the side wall of the second limiting pin shaft (241).

9. The split-type traction and towing structure according to claim 8, wherein, The swing rod (31) is arranged between the two second limiting pin shafts (241).

10. The split traction and towing structure according to claim 1, characterized in that, One end of the towing mechanism (4) away from the rear axle housing (5) is provided with a towing hook (41), and the towing hook (41) is connected to an external agricultural implement.

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