CN212473695U - Structural steel for large tractor safety cab frame - Google Patents
Structural steel for large tractor safety cab frame Download PDFInfo
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- CN212473695U CN212473695U CN202021086409.7U CN202021086409U CN212473695U CN 212473695 U CN212473695 U CN 212473695U CN 202021086409 U CN202021086409 U CN 202021086409U CN 212473695 U CN212473695 U CN 212473695U
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- structural steel
- cab frame
- large tractor
- uprights
- pipe structure
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- 229910000746 Structural steel Inorganic materials 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a structural steel for large tractor safety cab frame, including returning shape upper beam and returning shape underbeam, return and be provided with two front uprights and two back posts between shape upper beam and returning the shape underbeam, return shape upper beam and return shape underbeam and all include end to end four T type corners and four crossbeams, the horizontal limit of T type corner stretches into two adjacent crossbeam tip respectively and sets up, the vertical limit of the said T type corner stretches into and sets up in corresponding front upright or the back post tip, the horizontal limit and the vertical limit surface of T type corner have all been coated with structural adhesive, still pass through welded fastening between T type corner and crossbeam, front upright and the back post; the cross section of the beam is of an L-shaped pipe structure; the sections of the front upright post and the rear upright post are both of convex tube structures; the concave part of the L-shaped pipe structure is matched with the concave part of the convex pipe structure to form a door and window mounting step. The utility model discloses it is simple convenient to assemble, and has effectively solved the sealed problem of door and window installation.
Description
Technical Field
The utility model relates to a mechanical profile preparation field, concretely relates to structural steel for large tractor safety cab frame.
Background
Because the territorial area of China is vast, the difference of agricultural operation income in different regions causes the imbalance of economic level. In rural areas with more developed economy, agricultural production tends to be operated cooperatively or under contract, and medium-sized tractors are mainly purchased and used for tractors. In recent years, there has been a trend toward large tractors.
The development of the cab structure of the large tractor basically adopts the structure of a medium tractor, in the structure, a square tube and a round tube are generally adopted to assemble a frame structure, then the profiles of the frame are fixed together through a reinforced connecting piece, and during connection, the profiles need to be positioned and are complex to assemble; and this frame construction need customize door frame and window frame structure when follow-up needs carry out the door and window equipment, because square pipe and pipe surfacing, installation door frame and window frame need be through sealed supplementary sealed of material such as gluing, in the use, because the uncontrollable of external environment, very easily appear sealed bad problem of leaking water and leaking out, greatly test the equipment quality.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a structural steel for large tractor safety cab frame, it is simple convenient to assemble, and has effectively solved the sealed problem of door and window installation.
In order to solve the technical problem, the utility model provides a structural steel for large tractor safety cab frame, including returning shape upper beam and returning shape underbeam, it is provided with two front uprights and two back posts to return shape upper beam and return between the shape underbeam, it includes four T type corners and four crossbeams end to return shape upper beam and return shape underbeam, the horizontal limit of T type corner stretches into two adjacent crossbeam tip respectively and sets up, the vertical limit of T type corner stretches into corresponding front upright or back post tip and sets up, the horizontal limit and the vertical limit surface of T type corner all coat structural adhesive, still pass through welded fastening between T type corner and crossbeam, front upright and the back post;
the cross section of the beam is of an L-shaped pipe structure;
the sections of the front upright post and the rear upright post are both of convex tube structures;
the concave part of the L-shaped pipe structure is matched with the concave part of the convex pipe structure to form a door and window mounting step.
Furthermore, an auxiliary upright post is arranged between the adjacent front upright post and the rear upright post, and the section of the auxiliary upright post is of a convex tube structure.
Furthermore, two ends of the auxiliary stand column are provided with copying avoiding parts, and the auxiliary stand column is attached to the surface of the cross beam through the copying avoiding parts and is welded and fixed.
Further, the outer surface of the front upright post is provided with a mounting rack, and the mounting rack is used for fixing the rearview mirror.
Furthermore, a handle is further arranged on the outer surface of the front upright post and connected with the mounting frame, and the joint of the handle and the mounting frame is fixed to the surface of the front upright post through a reinforcing column.
Furthermore, two cross beams oppositely arranged in the square-shaped upper beam are provided with lifting rings, the lifting rings are connected with a base through a shaft, the base is welded on the side edge of the cross beam, and the lifting rings can rotate 90 degrees.
Further, a sealing strip is arranged on the door and window mounting step.
Further, the bottom of the sealing strip is provided with a clamping portion, a bayonet is arranged on the door and window installation step corresponding to the clamping portion, and the clamping portion is embedded into the bayonet.
The utility model has the advantages that:
1. adopt T type corner to connect crossbeam, front column and rear column, have stronger intensity in the corner, insert and establish reliable and stable after fixed, T type corner still has the location effect in the equipment process, consequently can reduce the equipment degree of difficulty, improves production efficiency.
2. The T-shaped corner and the corresponding cross beam, the front stand column and the rear stand column are fixed in advance through structural adhesive, and are welded and fixed after size inspection, so that the size precision of the whole frame structure can be effectively improved, and the reject ratio is reduced.
3. The concave part of L type tubular construction forms door and window installation step with the concave part cooperation of protruding type tubular construction, and casement and door leaf can the direct mount, reduce the assembly cost to there is not the gap, therefore sealed effect is splendid, improves greatly and uses the impression. The design of concave part makes L type tubular construction and protruding tubular construction have better structural strength than square pipe and pipe, improves the stability of frame.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cross beam structure of the present invention;
FIG. 3 is a schematic view of the male pipe structure of the present invention;
FIG. 4 is a schematic view of the outer surface structure of the front pillar of the present invention;
fig. 5 is a schematic structural view of the present invention with a hanging ring.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 4, an embodiment of the structural steel for the frame of the safety cab of the large tractor of the present invention includes a clip-shaped upper beam 1 and a clip-shaped lower beam 2, wherein two front columns 3 and two rear columns 4 are arranged between the clip-shaped upper beam and the clip-shaped lower beam, the clip-shaped upper beam and the clip-shaped lower beam respectively include four T-shaped corners 5 and four beams 6 connected end to end, the transverse edges of the T-shaped corners respectively extend into the two adjacent beam ends, the vertical edges of the T-shaped corners extend into the corresponding front columns or rear column ends, the surfaces of the transverse edges and the vertical edges of the T-shaped corners are coated with structural glue, and the T-shaped corners, the beams, the front columns and the rear columns are fixed by welding; the shape of returning upper beam, the shape of returning underbeam, two front column 3 and two back posts can form overall frame structure, adopt T type corner to connect crossbeam, front column and back post, have the location effect, restrict formation each other through the section bar cross-section, consequently can reduce the equipment degree of difficulty, improve production efficiency to T type corner is overall structure, has stronger intensity in the corner, inserts and establishes reliable and stable after fixing.
The cross section of the beam is of an L-shaped pipe structure; the sections of the front upright post and the rear upright post are both of convex tube structures; the concave part 7 of the L-shaped pipe structure is matched with the concave part 7 of the convex pipe structure to form a door and window mounting step, the window sash and the door leaf can be directly mounted, the assembly cost is reduced, no gap exists, the sealing effect is excellent, and the use feeling is greatly improved. The design of concave part makes L type tubular construction and protruding tubular construction have better structural strength than square pipe and pipe, improves the stability of frame. The front upright post and the rear upright post can be arranged into arc structures on the outer surface and the inner surface according to the position requirements, the arc structures on the outer surface have the effects of attractiveness and wind resistance reduction, and outer surface coating and skin treatment can be reduced. The arc-shaped structure of the inner surface has a comfortable effect, avoids impact feeling caused by the convex part and has a visual effect of increasing space.
Still be provided with auxiliary column 8 between adjacent front column and back stand, the cross-section of auxiliary column is protruding type tubular construction, and auxiliary column improves structural strength to reduce the glass volume, can also regard as the gatepost to use. The profiling avoiding parts are cut at two end parts of the auxiliary stand column, the auxiliary stand column is attached to the surface of the cross beam through the profiling avoiding parts and is welded and fixed, the sealing effect of integral connection is guaranteed, and the continuity of the door and window installation steps is guaranteed.
Set up mounting bracket 9 on foretell front column's the surface, still be provided with handle 10 on front column's the surface, the handle is connected with the mounting bracket, and the junction of handle and mounting bracket is through strengthening post and front column fixed surface, and handle and mounting bracket are rod-like structure, and the mounting bracket is used for fixed rear-view mirror, and rear-view mirror convenient to detach maintains, and the handle is convenient for get on or off the bus and uses, strengthens the stability that the post can guarantee handle and mounting bracket, improves life.
In an embodiment, referring to fig. 5, in order to facilitate hoisting and installation, two cross beams oppositely arranged in the square-shaped upper beam are provided with hoisting rings 11, the number of the hoisting rings is 2 or 4, the hoisting rings are axially connected with a base 12, the base is welded on the side edge of the cross beam, the hoisting rings can rotate 90 degrees, and when the hoisting rings rotate upwards, the hoisting rings can be perpendicular to the base and when the hoisting rings rotate downwards, the hoisting rings can be parallel to the base. Consequently rings upwards rotate when using, are connected with lifting rope or lifting hook, and when putting the back in place, lifting rope or lifting hook take off, and rings rotation down can hide, does not hinder the installation of ceiling, and rings need not to dismantle, is regarded as the finished product along with the frame in the lump.
In one embodiment, the door and window mounting step is provided with a sealing strip to improve the sealing effect after the window sash is mounted and the door leaf is closed. The bottom of the sealing strip is provided with a clamping part, a bayonet is arranged on the door and window installation step corresponding to the clamping part, the clamping part is embedded into the bayonet, and the door and window installation step is convenient and reliable to operate and convenient to replace.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The structural steel for the safe driving cab frame of the large tractor is characterized by comprising a square upper beam and a square lower beam, wherein two front uprights and two rear uprights are arranged between the square upper beam and the square lower beam, the square upper beam and the square lower beam respectively comprise four T-shaped corners and four cross beams which are connected end to end, the transverse edges of the T-shaped corners respectively extend into the end parts of the two adjacent cross beams, the vertical edges of the T-shaped corners extend into the end parts of the corresponding front uprights or rear uprights, the surfaces of the transverse edges and the vertical edges of the T-shaped corners are coated with structural glue, and the T-shaped corners, the cross beams, the front uprights and the rear uprights are fixed by welding;
the cross section of the beam is of an L-shaped pipe structure;
the sections of the front upright post and the rear upright post are both of convex tube structures;
the concave part of the L-shaped pipe structure is matched with the concave part of the convex pipe structure to form a door and window mounting step.
2. The structural steel section for a safety cab frame of a large tractor according to claim 1, wherein an auxiliary pillar is further provided between adjacent front and rear pillars, and the section of the auxiliary pillar has a convex pipe structure.
3. The structural steel for a large tractor safety cab frame as claimed in claim 2, wherein the auxiliary uprights are provided at both end portions thereof with profile avoidance portions, and the auxiliary uprights are fitted to the surface of the cross member through the profile avoidance portions and fixed by welding.
4. The structural steel section for a safety cab frame of a large tractor according to claim 1, wherein a mounting bracket for fixing a rear view mirror is provided on an outer surface of the front pillar.
5. The structural steel section for a safety cab frame of a large tractor according to claim 4, wherein a pull handle is further provided on an outer surface of the front pillar, the pull handle is connected with the mounting frame, and a joint of the pull handle and the mounting frame is fixed to the surface of the front pillar through a reinforcing column.
6. The structural steel section for a safety cab frame of a large tractor according to claim 1, wherein two cross beams of the upper beam in the shape of a square-letter are provided with lifting rings, the lifting rings are connected with a base through shafts, the base is welded on the side edges of the cross beams, and the lifting rings can rotate 90 degrees.
7. The structural steel section for a large tractor safety cab frame according to claim 1, wherein a weather strip is provided on the door and window installation step.
8. The structural steel for a large tractor safety cab frame as claimed in claim 7, wherein the bottom of the sealing strip is provided with a clamping portion, a bayonet is arranged on a door and window installation step corresponding to the clamping portion, and the clamping portion is embedded in the bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086409.7U CN212473695U (en) | 2020-06-13 | 2020-06-13 | Structural steel for large tractor safety cab frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086409.7U CN212473695U (en) | 2020-06-13 | 2020-06-13 | Structural steel for large tractor safety cab frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212473695U true CN212473695U (en) | 2021-02-05 |
Family
ID=74416835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021086409.7U Expired - Fee Related CN212473695U (en) | 2020-06-13 | 2020-06-13 | Structural steel for large tractor safety cab frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212473695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348129A (en) * | 2022-02-23 | 2022-04-15 | 扬州丰源车身制造有限公司 | Cab assembly with high torsional rigidity |
| WO2025143055A1 (en) * | 2023-12-27 | 2025-07-03 | 株式会社クボタ | Cabin |
-
2020
- 2020-06-13 CN CN202021086409.7U patent/CN212473695U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348129A (en) * | 2022-02-23 | 2022-04-15 | 扬州丰源车身制造有限公司 | Cab assembly with high torsional rigidity |
| WO2025143055A1 (en) * | 2023-12-27 | 2025-07-03 | 株式会社クボタ | Cabin |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |