Bowing steering device of tractor
By using a steel sleeve and pipe clamp structure on the tractor, the problems of pipe wear and space occupation of the bent-waist tractor are solved, the stability and aesthetics of the hose are achieved, and the operating efficiency of the entire machine and the utilization of the PTO installation space are improved.
Patent Information
- Application Number
- CN202423115232.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The folding pipes of large folding tractors are severely worn during repeated bending and take up space, affecting operating efficiency and PTO installation space.
The steel sleeve and pipe clamp structure is adopted. The steel sleeve is fixed to the end of the rear frame close to the front frame. The hose is basically stationary inside the steel sleeve and the rear frame. Only the hose part between the steel sleeve and the front frame is bent, which reduces wear and shortens the occupied space.
Hose wear is reduced, space utilization is more reasonable, PTO configuration space is fully reserved, the hose route is regular and beautiful, which improves the tractor's operating efficiency and space utilization efficiency.
Smart Images

Figure CN223420793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tractor field especially relates to a tractor kneeing steering gear. BACKGROUND
[0002] With the development of technology, tractor horsepower is bigger and bigger, and the vehicle type is bigger and bigger, and the turning radius of large integrated tractor is also bigger and bigger, which will seriously affect the operation efficiency of the tractor, in order to improve the operation efficiency of large tractor, most of the tractor above 400 horsepower is kneeing tractor, but the kneeing part pipeline of the kneeing tractor will inevitably produce wear and tear in the repeated bending process, or needs regular replacement, or reduces the bending by lengthening the bending pipeline, but this will also occupy the installation space of PTO (power take-off), so that the whole machine cannot be installed with PTO. SUMMARY
[0003] The utility model solves the technical problem that: provide a tractor kneeing steering gear, solve the defect that the kneeing part pipeline of the kneeing tractor is seriously worn and tear and occupies large space.
[0004] The utility model discloses a technical scheme that solves the above technical problem: a tractor kneeing steering gear, comprising: a plurality of steel sleeves, a plurality of pipe clamps, a plurality of hoses, a drawbar, a front frame and a rear frame, both ends of the drawbar are hinged with the front frame and the rear frame respectively, the steel sleeve is sleeved on the hose, the steel sleeve is fixedly arranged at one end of the rear frame close to the front frame, both ends of the hose are arranged in the front frame and the rear frame respectively, the pipe clamp is clamped with the steel sleeve, and the pipe clamp is fixed on the drawbar.
[0005] The utility model has the advantages that: the steel sleeve is fixedly arranged at one end of the rear frame close to the front frame, and the pipe clamp is fixed on the drawbar, which is beneficial to the hose in the steel sleeve and the rear frame relative to the rear frame The part is basically in a stationary state and does not change greatly with the movement of the front frame and the rear frame, and only a certain length of hose needs to be reserved between the steel sleeve and the front frame, only the shape of the reserved hose part changes when steering, and the hose does not wear and tear with the steel sleeve when bending, and the length of the hose between the steel sleeve and the front frame in the application is greatly shortened compared with the prior art, so that the hose only occupies the space above the drawbar, and the configuration space of the whole machine PTO is fully reserved, and the hose is more regular and beautiful.
[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0007] Furthermore, the steel sleeve includes two steel sleeve flares and a steel sleeve body, the two steel sleeve flares are respectively arranged at both ends of the steel sleeve body, the steel sleeve body is a tubular structure, and the steel sleeve flares are tubular structures with a diameter larger than that of the steel sleeve body.
[0008] The beneficial effect of adopting the above further solution is: setting steel sleeve flares at both ends of the steel sleeve body is conducive to ensuring a certain space between the end of the steel sleeve and the steel sleeve, thereby preventing the hose from moving when the tractor turns and causing the steel sleeve port to cut the hose.
[0009] Furthermore, the steel sleeve body is adapted to be mounted on the hose, and the hose passes through the expanded opening of the steel sleeve.
[0010] The beneficial effect of adopting the above further solution is that it helps to ensure a certain space between the end of the hose and the steel sleeve, thereby preventing the hose from moving when the tractor turns and causing the end of the steel sleeve to cut the hose.
[0011] Furthermore, a plurality of steel sleeve limiting holes are provided on the side wall of the pipe clamp, and the steel sleeve limiting holes are interference-connected with the steel sleeve body.
[0012] The beneficial effect of adopting the above further solution is that the limiting hole of the steel sleeve is interference-connected with the steel sleeve body, which is beneficial to improving the fixing effect of the hose and avoiding wear caused by the forward and backward movement of the hose.
[0013] Furthermore, the steel sleeve limiting holes are arched through holes of various sizes.
[0014] The beneficial effect of adopting the above further solution is that the arched through holes of various sizes are conducive to adapting to steel sleeves of different specifications, while improving the adaptability of the connection between the steel sleeve and the hose, thereby improving the fixing effect of the steel sleeve and the hose.
[0015] Furthermore, the pipe clamp is fixedly connected to the rear frame via an annular hoop and bolts.
[0016] The beneficial effect of adopting the above further solution is that fixing the hose clamp on the rear frame is conducive to preventing relatively large displacement between the hose and the rear frame, improving the stability of the hose in the rear frame, and avoiding the problem of wear of the hose due to displacement and encroachment on the PTO installation space.
[0017] Furthermore, connecting shafts are rotatably provided at both ends of the traction rod, and the connecting shafts are hinged to the front frame and the rear frame.
[0018] The beneficial effect of adopting the above further solution is that the two ends of the traction rod are hinged to the front frame and the rear frame through the connecting shaft, which is conducive to the rear frame driving the front frame to rotate through the traction rod to achieve bending and steering.
[0019] Furthermore, a tractor power output device is installed below the drawbar between the front frame and the rear frame.
[0020] The beneficial effect of adopting the above further solution is that the reserved length of the hose between the steel sleeve and the front frame is greatly shortened compared with the existing technology, so that the hose only occupies the space above the tow bar, reserving the configuration space for the power output device of the entire machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present utility model;
[0022] Figure 2 A schematic diagram of a steel sleeve provided in an embodiment of the present utility model being mounted on a hose;
[0023] Figure 3 A schematic diagram of the steel sleeve structure provided in an embodiment of the present utility model;
[0024] Figure 4 This is a schematic diagram of the pipe clamp structure provided by an embodiment of the utility model.
[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0026] 1. Steel sleeve; 2. Pipe clamp; 3. Hose; 4. Drawbar; 5. Front frame; 6. Rear frame; 11. Steel sleeve flare; 12. Steel sleeve body; 21. Steel sleeve limit hole; 41. Connecting shaft. DETAILED DESCRIPTION
[0027] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0028] like Figure 1 As shown, a tractor bending steering device includes: multiple steel sleeves 1, multiple pipe clamps 2, multiple hoses 3, a drawbar 4, a front frame 5 and a rear frame 6; the two ends of the drawbar 4 are respectively hinged to the front frame 5 and the rear frame 6, the steel sleeve 1 is sleeved on the hose 3, the steel sleeve 1 is fixedly arranged on one end of the rear frame 6 close to the front frame 5, the two ends of the hose 3 are respectively arranged in the front frame 5 and the rear frame 6, the pipe clamp 2 is clamped with the steel sleeve 1, and the pipe clamp 2 is fixed to the drawbar 4.
[0029] The beneficial effects of the present invention are as follows: the steel sleeve is fixedly arranged at one end of the rear frame close to the front frame, and the pipe clamp is fixed on the drawbar, which is conducive to making the part of the hose inside the steel sleeve and the rear frame basically stationary relative to the rear frame, and does not undergo large displacement changes with the movement of the front frame and the rear frame. At the same time, it is only necessary to reserve a certain length of hose at the part between the steel sleeve and the front frame. During steering, only the shape of the reserved hose part is bent and changed, and no wear is generated between the hose and the steel sleeve when bending. In the present application, the reserved length of the hose at the part between the steel sleeve and the front frame is greatly shortened compared with the prior art, so that the hose only occupies the space above the drawbar, fully reserving the configuration space of the PTO of the entire machine, and the direction of the hose is also more regular and beautiful.
[0030] Preferably, Figure 2 and Figure 3 As shown, the steel sleeve 1 includes two steel sleeve flares 11 and a steel sleeve body 12. The two steel sleeve flares 11 are respectively arranged at both ends of the steel sleeve body 12. The steel sleeve body 12 is a tubular structure, and the steel sleeve flares 11 are a tubular structure with a diameter larger than that of the steel sleeve body 12.
[0031] The beneficial effect of adopting the above preferred solution is: providing steel sleeve flares at both ends of the steel sleeve body, which is conducive to ensuring a certain space between the end of the steel sleeve and the hose, thereby preventing the hose from moving when the tractor turns and causing the steel sleeve port to cut the hose.
[0032] Preferably, Figure 2 and Figure 3 As shown, the steel sleeve body 12 is adaptively mounted on the hose 3 , and the hose 3 passes through the steel sleeve expansion opening 11 .
[0033] The beneficial effect of adopting the above preferred solution is that it helps to ensure a certain space between the end of the hose and the steel sleeve, thereby preventing the hose from moving when the tractor turns and causing the end of the steel sleeve to cut the hose.
[0034] Preferably, Figure 4 As shown, a plurality of steel sleeve limiting holes 21 are provided on the side wall of the pipe clamp 2 , and the steel sleeve limiting holes 21 are interference-connected with the steel sleeve body 12 .
[0035] The beneficial effect of adopting the above preferred solution is that the limiting hole of the steel sleeve is interference-connected with the steel sleeve body, which is beneficial to improving the fixing effect of the hose and avoiding wear caused by the forward and backward movement of the hose.
[0036] Preferably, Figure 4 As shown, the steel sleeve limiting holes 21 are arched through holes of various sizes.
[0037] The beneficial effect of the above preferred scheme is that the multiple different size arc-shaped through holes are beneficial to adapt to different specifications of the steel sleeve, meanwhile improve the adaptability of the connection between the steel sleeve and the soft pipe, and further improve the fixing effect on the steel sleeve and the soft pipe.
[0038] Preferably, as shown in Figure 1 The pipe clamp 2 is fixedly connected with the rear frame 6 through the annular hoop and the bolt.
[0039] The beneficial effect of the above preferred scheme is that the pipe clamp is fixed on the rear frame, which is beneficial to prevent the soft pipe from relatively large displacement with the rear frame, improve the stability of the soft pipe in the rear frame, and avoid the problems of abrasion and occupation of the PTO installation space caused by the displacement of the soft pipe.
[0040] Preferably, as shown in Figure 1 Both ends of the drawbar 4 are rotatably provided with a connecting shaft 41, and the connecting shaft 41 is hinged with the front frame 5 and the rear frame 6.
[0041] The beneficial effect of the above preferred scheme is that the both ends of the drawbar are hinged with the front frame and the rear frame through the connecting shaft, which is beneficial to drive the front frame to rotate through the drawbar, and realize the folding and turning.
[0042] Preferably, the tractor power output device is installed below the drawbar 4 between the front frame 5 and the rear frame 6.
[0043] The beneficial effect of the above preferred scheme is that the reserved length of the soft pipe between the steel sleeve and the front frame is greatly shortened compared with the prior art, so that the soft pipe only occupies the space above the drawbar, and the configuration space of the whole machine power output device is reserved.
[0044] In the description of the present application, it should be understood that 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" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying 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 limiting the present application.
[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0046] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0047] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0048] In the description of this specification, the description with reference to 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 present invention. 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 any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.
[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A tractor bending steering device, characterized in that: include: A plurality of steel sleeves (1), a plurality of pipe clamps (2), a plurality of hoses (3), a drawbar (4), a front frame (5) and a rear frame (6); The two ends of the traction rod (4) are respectively hinged to the front frame (5) and the rear frame (6); the steel sleeve (1) is sleeved on the hose (3); the steel sleeve (1) is fixedly arranged on one end of the rear frame (6) close to the front frame (5); the two ends of the hose (3) are respectively arranged in the front frame (5) and the rear frame (6); the pipe clamp (2) is clamped with the steel sleeve (1); and the pipe clamp (2) is fixed on the traction rod (4).
2. A tractor bending steering device according to claim 1, characterized in that: The steel sleeve (1) comprises two steel sleeve flares (11) and a steel sleeve body (12), wherein the two steel sleeve flares (11) are respectively arranged at two ends of the steel sleeve body (12), the steel sleeve body (12) is a tubular structure, and the steel sleeve flares (11) are tubular structures having a diameter greater than that of the steel sleeve body (12).
3. A tractor bending steering device according to claim 2, characterized in that: The steel sleeve body (12) is adaptively mounted on the hose (3), and the hose (3) passes through the steel sleeve expansion opening (11).
4. The tractor bending steering device according to claim 2, characterized in that: A plurality of steel sleeve limiting holes (21) are provided on the side wall of the pipe clamp (2), and the steel sleeve limiting holes (21) are interference-connected with the steel sleeve body (12).
5. The tractor bending steering device according to claim 4, characterized in that: The steel sleeve limiting holes (21) are arched through holes of various sizes.
6. The tractor bending steering device according to claim 4, characterized in that: The pipe clamp (2) is fixedly connected to the rear frame (6) via an annular hoop and bolts.
7. The tractor bending steering device according to claim 1, characterized in that: Both ends of the traction rod (4) are rotatably provided with connecting shafts (41), and the connecting shafts (41) are hinged to the front frame (5) and the rear frame (6).
8. The tractor bending steering device according to claim 1, characterized in that: The tractor power output device is installed below the drawbar (4) between the front frame (5) and the rear frame (6).