Door frame profile of agricultural machinery cab
By designing a door frame profile for the agricultural machinery cab composed of multiple straight segments and arc segments, using Q235 steel and adopting a roll-forming process and laser welding process, the problem of expanding the space and improving the comfort of the agricultural machinery cab while ensuring strength is solved, and a balance between structural strength and internal space is achieved.
Patent Information
- Application Number
- CN202423097194.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing agricultural machinery cabs have high structural strength requirements, making it difficult to expand the internal usable space and improve driving comfort while ensuring strength.
A door frame profile for an agricultural machinery cab is designed. The profile adopts a cross-sectional structure consisting of multiple straight segments and arc segments. Q235 steel is used and formed through a roll-forming process and laser welding. This ensures structural strength while expanding the internal space for installing cab components.
Under the premise of ensuring structural strength, the internal usable space of the cab is expanded and the driving comfort is improved.
Smart Images
Figure CN223456784U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of engineering machinery parts components especially to an agricultural machinery cab door frame section bar. BACKGROUND
[0002] At present, the application of special-shaped steel pipes is paid more and more attention by people, and is widely applied in the industries of vehicles, ships, agricultural machinery, engineering machinery, textile machinery and food machinery. The special-shaped steel pipe is a closed section bar that is bent in a cold state, and has the advantages of energy saving, metal material saving, convenient construction, beautiful appearance and the like, and in recent years, more and more replaces angle steel, channel steel, I-beam and round pipe, and is widely applied in engineering machinery. The working environment of engineering machinery is harsh, such as construction engineering, mining and the like, therefore, the strength requirement of the traditional parts is higher than the priority of comfort, and some large production engineering machinery companies gradually consider the working environment of drivers, improve driving comfort and production efficiency. SUMMARY
[0003] In order to expand the internal use space of the cab under the premise of ensuring the structural strength and improve the driving comfort, the application provides a door frame section bar of an agricultural machinery cab.
[0004] The door frame section bar of the agricultural machinery cab provided by the application adopts the following technical scheme:
[0005] A door frame section bar of an agricultural machinery cab, the cross section of the section bar is composed of a plurality of straight line segments connected in sequence, the straight line segments include a first vertical line segment, a second vertical line segment, a horizontal line segment, a first inclined line segment, a second inclined line segment, a third inclined line segment, a fourth inclined line segment and a fifth inclined line segment, the first vertical line segment and the second vertical line segment are arranged in parallel along the vertical direction, the second vertical line segment is arranged towards the outside of the cab, the first vertical line segment is located on the left side of the second vertical line segment, the horizontal line segment is arranged along the horizontal direction and is located at the highest point of the section bar, the first inclined line segment is connected between the first vertical line segment and the second vertical line segment, the first inclined line segment is located at the lowest point of the section bar, the second inclined line segment is connected to the first vertical line segment, the third inclined line segment is connected to the horizontal line segment, the second inclined line segment and the third inclined line segment are connected to each other, the fourth inclined line segment is connected to the horizontal line segment, the fifth inclined line segment is connected to the second vertical line segment, and the fourth inclined line segment and the fifth inclined line segment are connected to each other.
[0006] Preferably, the straight line segments are connected through arc segments.
[0007] Preferably, the arc segments include a first arc, a second arc, a third arc, a fourth arc, a fifth arc, a sixth arc, a seventh arc and an eighth arc, the first arc is located between the first vertical segment and the first inclined segment, the second arc is located between the first vertical segment and the second inclined segment, the third arc is located between the second inclined segment and the third inclined segment, the fourth arc is located between the third inclined segment and the horizontal segment, the fifth arc is located between the horizontal segment and the fourth inclined segment, the sixth arc is located between the fourth inclined segment and the fifth inclined segment, the seventh arc is located between the fifth inclined segment and the second vertical segment, and the eighth arc is located between the second vertical segment and the first inclined segment.
[0008] Preferably, the profile is formed by rolling and laser welding.
[0009] Preferably, the profile is made of Q235 steel.
[0010] In summary, the present application has the following beneficial technical effects:
[0011] The door frame profile of the agricultural machinery cab of the utility model, the second vertical segment is arranged towards the outside of the cab, which facilitates the installation of the cabin door, the first vertical segment, the second inclined segment and the third inclined segment are arranged inside the cab, so that other parts can be installed on the first vertical segment, the second inclined segment and the third inclined segment inside the cab, thereby achieving the effect of expanding the internal space of the cab and improving the driving comfort under the premise of ensuring the structural strength. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a sectional structure schematic view of the door frame profile of the agricultural machinery cab in the embodiment of the present application.
[0013] Mark explanation: 11, first vertical segment;12, second vertical segment;13, horizontal segment;14, first inclined segment;15, second inclined segment;16, third inclined segment;17, fourth inclined segment;18, fifth inclined segment;21, first arc;22, second arc;23, third arc;24, fourth arc;25, fifth arc;26, sixth arc;27, seventh arc;28, eighth arc. DETAILED DESCRIPTION
[0014] In order to make the personnel in the art better understand the utility model scheme, the scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.
[0015] In the description of the utility model, it is explained that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation and a specific orientation configuration and operation, therefore, it cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0016] The embodiment of the application discloses a door frame profile of an agricultural machine cab. Figure 1 The door frame profile of the agricultural machine cab is composed of a plurality of straight line segments connected end to end, including a first vertical line segment 11, a second vertical line segment 12, a horizontal line segment 13, a first inclined line segment 14, a second inclined line segment 15, a third inclined line segment 16, a fourth inclined line segment 17 and a fifth inclined line segment 18. The first vertical line segment 11 and the second vertical line segment 12 are arranged in the vertical direction and parallel to each other, and the second vertical line segment 12 is arranged towards the outside of the cab. The first vertical line segment 11 is located to the left of the second vertical line segment 12. The horizontal line segment 13 is arranged in the horizontal direction and is located at the highest point of the profile. The first inclined line segment 14 is connected between the first vertical line segment 11 and the second vertical line segment 12, and is located at the lowest point of the profile. The second inclined line segment 15 is connected to the first vertical line segment 11. The third inclined line segment 16 is connected to the horizontal line segment 13. The second inclined line segment 15 and the third inclined line segment 16 are connected to each other. The fourth inclined line segment 17 is connected to the horizontal line segment 13. The fifth inclined line segment 18 is connected to the second vertical line segment 12. The fourth inclined line segment 17 and the fifth inclined line segment 18 are connected to each other.
[0017] The straight line segments are connected by arc segments.
[0018] The arc segments include a first arc 21, a second arc 22, a third arc 23, a fourth arc 24, a fifth arc 25, a sixth arc 26, a seventh arc 27 and an eighth arc 28, the first arc 21 is located between the first vertical segment 11 and the first inclined segment 14, the second arc 22 is located between the first vertical segment 11 and the second inclined segment 15, the third arc 23 is located between the second inclined segment 15 and the third inclined segment 16, the fourth arc 24 is located between the third inclined segment 16 and the horizontal segment 13, the fifth arc 25 is located between the horizontal segment 13 and the fourth inclined segment 17, the sixth arc 26 is located between the fourth inclined segment 17 and the fifth inclined segment 18, the seventh arc 27 is located between the fifth inclined segment 18 and the second vertical segment 12, and the eighth arc 28 is located between the second vertical segment 12 and the first inclined segment 14.
[0019] The profile is made of Q235 steel, and is formed by rolling and laser welding during production.
[0020] The implementation principle of the door frame profile of the agricultural machinery cab of the embodiment of the application is as follows: the horizontal segment 13 is arranged at the top, facilitating connection of the top cover of the cab; the second vertical segment 12 is arranged towards the outside of the cab, facilitating installation of the cabin door of the cab, and ensuring the structural strength of the outside; the first vertical segment 11, the second inclined segment 15 and the third inclined segment 16 are arranged inside the cab, so that other components can be installed on the first vertical segment 11, the second inclined segment 15 and the third inclined segment 16 inside the cab, improving the utilization rate of the internal space, thereby achieving the effect of expanding the internal use space of the cab and improving the driving comfort under the premise of ensuring the structural strength.
[0021] Finally, it should be noted that: the above only describes preferred embodiments of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution falling within the scope of the present application should be considered as falling within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, without departing from the principles of the present application, some improvements and decorations should be considered as falling within the protection scope of the present application.
Claims
1. A door frame profile for an agricultural machine cab, the profile cross-section being composed of a plurality of straight line segments connected end to end, characterized in that: The straight line segments include a first vertical line segment (11), a second vertical line segment (12), a horizontal line segment (13), a first inclined line segment (14), a second inclined line segment (15), a third inclined line segment (16), a fourth inclined line segment (17) and a fifth inclined line segment (18), the first vertical line segment (11) and the second vertical line segment (12) are arranged in parallel along the vertical direction, the second vertical line segment (12) is arranged towards the outside of the cab, the first vertical line segment (11) is located on the left side of the second vertical line segment (12), the horizontal line segment (13) is arranged along the horizontal direction and is located at the highest point of the profile, the first inclined line segment (14) is connected between the first vertical line segment (11) and the second vertical line segment (12), the first inclined line segment (14) is located at the lowest point of the profile, the second inclined line segment (15) is connected to the first vertical line segment (11), the third inclined line segment (16) is connected to the horizontal line segment (13), the second inclined line segment (15) and the third inclined line segment (16) are connected to each other, the fourth inclined line segment (17) is connected to the horizontal line segment (13), the fifth inclined line segment (18) is connected to the second vertical line segment (12), and the fourth inclined line segment (17) and the fifth inclined line segment (18) are connected to each other.
2. A door frame section for an agricultural machine cab according to claim 1, characterised in that: The straight line segments are connected by arc segments.
3. A door frame section for an agricultural machine cab according to claim 2, characterised in that: The arc segments include a first arc (21), a second arc (22), a third arc (23), a fourth arc (24), a fifth arc (25), a sixth arc (26), a seventh arc (27) and an eighth arc (28), the first arc (21) is located between the first vertical line segment (11) and the first inclined line segment (14), the second arc (22) is located between the first vertical line segment (11) and the second inclined line segment (15), the third arc (23) is located between the second inclined line segment (15) and the third inclined line segment (16), the fourth arc (24) is located between the third inclined line segment (16) and the horizontal line segment (13), the fifth arc (25) is located between the horizontal line segment (13) and the fourth inclined line segment (17), the sixth arc (26) is located between the fourth inclined line segment (17) and the fifth inclined line segment (18), the seventh arc (27) is located between the fifth inclined line segment (18) and the second vertical line segment (12), and the eighth arc (28) is located between the second vertical line segment (12) and the first inclined line segment (14).
4. A door frame section for an agricultural machine cab according to claim 1, characterized in that: The profile is formed by rolling and laser welding.
5. An agricultural-vehicle-cab door-frame profile according to claim 1, characterized in that: The profile is made of Q235 steel.