Safety frame for tractor and tractor
By designing the structure of the inverted U-shaped upper bracket and the inclined lower bent section reinforcement plate in the safety frame for tractors, the problems of insufficient strength and low torsion resistance of vertical beams are solved, and the structural strength and torsion resistance are improved.
Patent Information
- Application Number
- CN202422608369.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing safety frame vertical beams for tractors are vertical structures, with insufficient structural strength and low torsion resistance.
A safety rack for tractors is designed, using an inverted U-shaped upper bracket, with inclined first and second lower bent sections at the lower ends of the first vertical beam and the second vertical beam, and reinforcement plates are provided at the connecting base to form a Z-like structure.
The support rigidity of the vertical beam and the overall structural strength and torsion resistance of the safety frame are improved, and the safety of the tractor is improved.
Smart Images
Figure CN223148373U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, and particularly relates to a safety frame for a tractor and a tractor. Background Technique
[0002] The vertical beam of the existing safety frame for a tractor is of a vertical structure. When installing and supporting such a structure, the structural strength is insufficient, and the overall torsional resistance is not high. Content of the Utility Model
[0003] The utility model provides a safety frame for a tractor and a tractor to solve one or several of the technical problems existing in the prior art.
[0004] A safety frame for a tractor according to the utility model includes an upper bracket, a first vertical beam, a second vertical beam and a cross beam. The upper bracket is of an inverted U-shaped structure. The upper end of the first vertical beam is installed at one end of the upper bracket, and the upper end of the second vertical beam is installed at the other end of the upper bracket. Both ends of the cross beam are fixedly connected to the middle parts of the first vertical beam and the second vertical beam respectively. A first lower bending section inclined and extending towards the direction close to the second vertical beam is formed at the lower end of the first vertical beam, and a second lower bending section inclined and extending towards the direction close to the first vertical beam is formed at the lower end of the second vertical beam. A first connection base is provided at the lower end of the first lower bending section, and a first reinforcing rib plate fixedly connected to the first lower bending section is provided on the first connection base. A second connection base is provided at the lower end of the second lower bending section, and a second reinforcing rib plate fixedly connected to the second lower bending section is provided on the second connection base.
[0005] The beneficial effect of the utility model is that: for the safety frame for a tractor of the utility model, by providing the first lower bending section and the second lower bending section and arranging the reinforcing rib plates on both connection bases, the supporting rigidity of the two vertical beams can be effectively improved, and the structural strength and the overall torsional resistance of the safety frame are enhanced.
[0006] On the basis of the above technical solution, the utility model can be further improved as follows.
[0007] Further, the first reinforcing rib plate is located on the side of the first lower bending section facing away from the second lower bending section.
[0008] The beneficial effect of adopting the above further solution is that: the first lower bending section can be effectively and stably supported.
[0009] Further, the first reinforcing rib plate is of a right triangle structure. One right side of the first reinforcing rib plate is fixed on the first connection base, the hypotenuse of the first reinforcing rib plate is fixed on the side wall of the first lower bending section, and the other right side of the first reinforcing rib plate is vertically arranged.
[0010] The beneficial effects of adopting the above further solution are as follows: The first reinforcing rib plate with a right triangle structure has high structural strength and good stability.
[0011] Further, first chamfers are provided at three corner positions of the first reinforcing rib plate.
[0012] Further, the second reinforcing rib plate is located on a side of the second lower bending section facing away from the first lower bending section.
[0013] The beneficial effects of adopting the above further solution are as follows: The second lower bending section can be effectively and stably supported.
[0014] Further, the second reinforcing rib plate has a right triangle structure. One right-angled side of the second reinforcing rib plate is fixed to the second connecting base, the hypotenuse of the second reinforcing rib plate is fixed to the side wall of the second lower bending section, and the other right-angled side of the second reinforcing rib plate is arranged vertically.
[0015] The beneficial effects of adopting the above further solution are as follows: The second reinforcing rib plate with a right triangle structure has high structural strength and good stability.
[0016] Further, second chamfers are provided at three corner positions of the second reinforcing rib plate.
[0017] Further, the first vertical beam further includes a first upper bending section, a first transition section, and a first connecting section. The upper end of the first upper bending section is installed at one end of the upper bracket through the first connecting section. The lower end of the first upper bending section is connected to the upper end of the first transition section. The lower end of the first transition section is connected to the upper end of the first lower bending section. The first upper bending section extends obliquely towards the direction close to the second vertical beam;
[0018] The second vertical beam further includes a second upper bending section, a second transition section, and a second connecting section. The upper end of the second upper bending section is installed at the other end of the upper bracket through the second connecting section. The lower end of the second upper bending section is connected to the upper end of the second transition section. The lower end of the second transition section is connected to the upper end of the second lower bending section. The second upper bending section extends obliquely towards the direction close to the first vertical beam.
[0019] Further, the first connecting section, the first upper bending section, the first transition section, and the first lower bending section are of an integral structure, and the second connecting section, the second upper bending section, the second transition section, and the second lower bending section are of an integral structure;
[0020] Both ends of the cross beam are fixedly connected to the upper ends of the first transition section and the second transition section respectively.
[0021] A tractor, comprising a tractor body and the above-mentioned safety frame for a tractor, wherein the safety frame for a tractor is installed at the front part of the tractor body, and the first connection base and the second connection base are respectively fixedly connected to the tractor body.
[0022] The beneficial effects of the present utility model are as follows: For the tractor of the present utility model, by providing the above-mentioned safety frame, the structural strength and the overall torsional resistance of the tractor are improved, and the safety is high. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is the front view structural schematic diagram of the safety frame for a tractor of the present utility model;
[0024] Figure 2 is Figure 1 the sectional view structural schematic diagram of A-A in
[0025] Figure 3 is the side view structural schematic diagram of the safety frame for a tractor of the present utility model;
[0026] Figure 4 is the three-dimensional view structural schematic diagram of the safety frame for a tractor of the present utility model;
[0027] Figure 5 is Figure 4 the enlarged structural schematic diagram of part A in
[0028] In the drawings, the list of components represented by each reference numeral is as follows:
[0029] 1. Upper support;
[0030] 2. First upper bending section; 21. First transition section; 22. First connection section; 23. First lower bending section;
[0031] 3. Second upper bending section; 31. Second transition section; 32. Second connection section; 33. Second lower bending section;
[0032] 4. First connection base; 41. First reinforcing rib plate; 42. First chamfer;
[0033] 5. Second connection base; 51. Second reinforcing rib plate;
[0034] 6. Cross beam. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0035] The principles and features of the present utility model will be described below in conjunction with the drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.
[0036] As Figures 1 to 5As shown in the figure, a safety frame for a tractor in this embodiment includes an upper bracket 1, a first vertical beam, a second vertical beam, and a cross beam 6. The upper bracket 1 has an inverted U-shaped structure. The upper end of the first vertical beam is installed at one end of the upper bracket 1, and the upper end of the second vertical beam is installed at the other end of the upper bracket 1. The two ends of the cross beam 6 are respectively fixedly connected to the middle parts of the first vertical beam and the second vertical beam. A first lower bending section 23 that extends obliquely towards the second vertical beam is formed at the lower end of the first vertical beam, and a second lower bending section 33 that extends obliquely towards the first vertical beam is formed at the lower end of the second vertical beam. A first connection base 4 is provided at the lower end of the first lower bending section 23, and a first reinforcing rib plate 41 fixedly connected to the first lower bending section 23 is provided on the first connection base 4. A second connection base 5 is provided at the lower end of the second lower bending section 33, and a second reinforcing rib plate 51 fixedly connected to the second lower bending section 33 is provided on the second connection base 5.
[0037] As Figures 1 to 5 shown, specifically, the first reinforcing rib plate 41 of this embodiment is located on the side of the first lower bending section 23 facing away from the second lower bending section 33, and can effectively and stably support the first lower bending section.
[0038] As Figure 1 and Figure 5 shown, preferably, the first reinforcing rib plate 41 of this embodiment has a right triangle structure. One right side of the first reinforcing rib plate 41 is fixed on the first connection base 4, the hypotenuse of the first reinforcing rib plate 41 is fixed on the side wall of the first lower bending section 23, and the other right side of the first reinforcing rib plate 41 is arranged vertically. The first reinforcing rib plate with a right triangle structure has high structural strength and good stability.
[0039] As Figure 5 shown, chamfers 42 are provided at all three corner positions of the first reinforcing rib plate 41 of this embodiment.
[0040] As Figures 1 to 5 shown, specifically, the second reinforcing rib plate 51 of this embodiment is located on the side of the second lower bending section 33 facing away from the first lower bending section 23, and can effectively and stably support the second lower bending section 33.
[0041] As Figure 1 shown, preferably, the second reinforcing rib plate 51 of this embodiment has a right triangle structure. One right side of the second reinforcing rib plate 51 is fixed on the second connection base 5, the hypotenuse of the second reinforcing rib plate 51 is fixed on the side wall of the second lower bending section 33, and the other right side of the second reinforcing rib plate 51 is arranged vertically. The second reinforcing rib plate with a right triangle structure has high structural strength and good stability.
[0042] As Figure 1 shown, second chamfers are provided at three corner positions of the second reinforcing rib plate 51 in this embodiment. Moreover, the other right-angled side of the first reinforcing rib plate 41 does not exceed the side wall of the first lower bending section 23 facing away from the second lower bending section 33. The other right-angled side of the second reinforcing rib plate 51 does not exceed the side wall of the second lower bending section 33 facing away from the first lower bending section 23.
[0043] As Figure 1 、 Figure 3 and Figure 4 shown, specifically, the first vertical beam in this embodiment further includes a first upper bending section 2, a first transition section 21 and a first connecting section 22. The upper end of the first upper bending section 2 is installed at one end of the upper bracket 1 through the first connecting section 22. The lower end of the first upper bending section 2 is connected to the upper end of the first transition section 21. The lower end of the first transition section 21 is connected to the upper end of the first lower bending section 23. The first upper bending section 2 extends obliquely towards the direction close to the second vertical beam; the first vertical beam adopts two bending sections and is integrally in a Z-shaped structure, which cooperates with the bottom reinforcing rib plate to improve the strength of the safety rack and the overall torsional resistance.
[0044] As Figure 1 and Figure 4 shown, specifically, the second vertical beam in this embodiment further includes a second upper bending section 3, a second transition section 31 and a second connecting section 32. The upper end of the second upper bending section 3 is installed at the other end of the upper bracket 1 through the second connecting section 32. The lower end of the second upper bending section 3 is connected to the upper end of the second transition section 31. The lower end of the second transition section 31 is connected to the upper end of the second lower bending section 33. The second upper bending section 3 extends obliquely towards the direction close to the first vertical beam; the second vertical beam adopts two bending sections and is integrally in a Z-shaped structure, which cooperates with the bottom reinforcing rib plate to improve the strength of the safety rack and the overall torsional resistance.
[0045] A preferred solution in this embodiment is that the first connecting section 22, the first upper bending section 2, the first transition section 21 and the first lower bending section 23 are of an integral structure, and the second connecting section 32, the second upper bending section 3, the second transition section 31 and the second lower bending section 33 are of an integral structure; as Figure 1 and Figure 4 shown, both ends of the cross beam 6 are fixedly connected to the upper ends of the first transition section 21 and the second transition section 31 respectively.
[0046] In this embodiment, the structure of the upper bracket 1 can adopt an existing conventional structure. In this embodiment, as Figure 3As shown, the first upper bending section 2, the first transition section 21, and the first connecting section 22 are inclined as a whole to one side with respect to the vertical direction, while the first lower bending section 23 is vertically arranged. Similarly, the second upper bending section 3, the second transition section 31, and the second connecting section 32 are inclined as a whole to one side with respect to the vertical direction, while the second lower bending section 33 is vertically arranged.
[0047] For the safety frame for a tractor in this embodiment, by providing the first lower bending section and the second lower bending section, and arranging stiffening ribs on both connecting bases, the support rigidity of the two vertical beams can be effectively improved, enhancing the structural strength of the safety frame and the overall torsional resistance.
[0048] This embodiment also provides a tractor, which includes a tractor body and the above-mentioned safety frame for a tractor. The safety frame for a tractor is installed at the front of the tractor body, and the first connecting base 4 and the second connecting base 5 are respectively fixedly connected to the tractor body.
[0049] For the tractor in this embodiment, by providing the above-mentioned safety frame, the structural strength of the tractor and the overall torsional resistance are improved, and the safety is high.
[0050] In the description of the present invention, 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", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is 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.
[0051] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood 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, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0052] In the present utility model, unless otherwise clearly defined or limited, terms such as "installation", "connection", "attachment", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0053] In the present utility model, unless otherwise clearly defined or 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 in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath" and "underneath" 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 is at a lower horizontal level than the second feature.
[0054] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means 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 expressions 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.
[0055] 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 safety frame for a tractor, characterized in that, It includes an upper bracket, a first vertical beam, a second vertical beam and a cross beam. The upper bracket has an inverted U-shaped structure. The upper end of the first vertical beam is installed at one end of the upper bracket, and the upper end of the second vertical beam is installed at the other end of the upper bracket. Both ends of the cross beam are fixedly connected to the middle parts of the first vertical beam and the second vertical beam respectively. A first lower bending section that extends obliquely towards the direction close to the second vertical beam is formed at the lower end of the first vertical beam, and a second lower bending section that extends obliquely towards the direction close to the first vertical beam is formed at the lower end of the second vertical beam. A first connection base is provided at the lower end of the first lower bending section, and a first reinforcing rib plate fixedly connected to the first lower bending section is provided on the first connection base. A second connection base is provided at the lower end of the second lower bending section, and a second reinforcing rib plate fixedly connected to the second lower bending section is provided on the second connection base.
2. The safety frame for a tractor according to claim 1, characterized in that, The first reinforcing rib plate is located on the side of the first lower bending section facing away from the second lower bending section.
3. The safety frame for a tractor according to claim 2, characterized in that, The first reinforcing rib plate has a right triangle structure. One right side of the first reinforcing rib plate is fixed on the first connection base, the hypotenuse of the first reinforcing rib plate is fixed on the side wall of the first lower bending section, and the other right side of the first reinforcing rib plate is arranged vertically.
4. The safety frame for a tractor according to claim 3, characterized in that, First chamfers are provided at all three corner positions of the first reinforcing rib plate.
5. The safety frame for a tractor according to claim 1, characterized in that, The second reinforcing rib plate is located on the side of the second lower bending section facing away from the first lower bending section.
6. The safety frame for a tractor according to claim 5, characterized in that, The second reinforcing rib plate has a right triangle structure. One right side of the second reinforcing rib plate is fixed on the second connection base, the hypotenuse of the second reinforcing rib plate is fixed on the side wall of the second lower bending section, and the other right side of the second reinforcing rib plate is arranged vertically.
7. The safety frame for a tractor according to claim 6, characterized in that, Second chamfers are provided at all three corner positions of the second reinforcing rib plate.
8. The safety frame for a tractor according to claim 1, characterized in that, The first vertical beam further includes a first upper bending section, a first transition section and a first connection section. The upper end of the first upper bending section is installed at one end of the upper bracket through the first connection section. The lower end of the first upper bending section is connected to the upper end of the first transition section, and the lower end of the first transition section is connected to the upper end of the first lower bending section. The first upper bending section extends obliquely towards the direction close to the second vertical beam. The second vertical beam further includes a second upper bending section, a second transition section and a second connection section. The upper end of the second upper bending section is installed at the other end of the upper bracket through the second connection section. The lower end of the second upper bending section is connected to the upper end of the second transition section, and the lower end of the second transition section is connected to the upper end of the second lower bending section. The second upper bending section extends obliquely towards the direction close to the first vertical beam.
9. The safety frame for a tractor according to claim 8, wherein, The first connection section, the first upper bending section, the first transition section and the first lower bending section are of an integral structure, and the second connection section, the second upper bending section, the second transition section and the second lower bending section are of an integral structure. Both ends of the cross beam are fixedly connected to the upper ends of the first transition section and the second transition section respectively.
10. A tractor, characterized in that, It includes a tractor body and the safety frame for tractor according to any one of claims 1 to 9. The safety frame for tractor is installed at the front part of the tractor body, and the first connection base and the second connection base are respectively fixedly connected to the tractor body.