CN104527814A - Large-tonnage integral cab structure - Google Patents
Large-tonnage integral cab structure Download PDFInfo
- Publication number
- CN104527814A CN104527814A CN201410822299.9A CN201410822299A CN104527814A CN 104527814 A CN104527814 A CN 104527814A CN 201410822299 A CN201410822299 A CN 201410822299A CN 104527814 A CN104527814 A CN 104527814A
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- Prior art keywords
- welded
- skeleton
- framework
- welding
- pillar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a large-tonnage integral cab structure. A cab welding assembly is mainly formed by welding a framework and sheet metal parts, and lug plate reinforcing ribs are welded to the connecting positions of the framework. A whole cab is in a streamline type. The cab has certain strength, can be used under coal mines and in mines with bad road conditions, and is beautiful in appearance molding. A framework type rolling preventing structure is adopted, the structure is formed by welding special-shaped pipes and rectangular pipes, a bottom framework body is a reinforced rectangular pipe, and the strength of the cab is guaranteed. A front wall is formed by being stamped by a die, a covering piece is welded to the framework, the sealing performance is good, shock absorption and noise reduction are achieved, welding of the framework and the sheet steel parts is located through process steps of the structures of themselves, and the framework welding assembly structure has the functions of preventing rolling and object falling.
Description
Technical field
The present invention relates to a kind of operator's compartment, specifically a kind of large-tonnage integral type cab structure, belongs to construction machinery production technical field.
Background technology
At present, loader cab, as the important component part of construction machinery and equipment, is welded by sheet member, and Main Function is for chaufeur provides safety, comfortable operating environment.But because the working environment of loader is relatively severe, and being crushed easily appears in the operator's compartment of this structure or the situation of collision deformation.As under mine, the phenomenon once generation junk caves in, operator's compartment will directly be pressed distortion is even flattened; And on the mine that road conditions are severe, once there is overturning phenomenon, operator's compartment can be knocked distortion or break, very large threat is existed to chaufeur, therefore the intensity of the operator's compartment of this structure is too low, is not suitable for using under mine or on mine.In order to increase the intensity of operator's compartment, general meeting is at the sheet member interior welds skeleton of operator's compartment, but the perforate on skeleton and the punching hole decentraction on sheet metal component, workman needs on-the-spot reaming when welding, and reaming will increase man-hour, and reduce the stability of skeleton, the limited strength of increase, out of reach expected effect.
In addition, also there are the following problems for existing operator's compartment: 1, outward appearance does not have aesthetic feeling; 2, on operator's compartment, perforate is too much, and make the poor sealing of operator's compartment, noise, rainwater and dust etc. easily enter cabin interior, cause the complaint of client.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of large-tonnage integral type cab structure, this operator's compartment possesses certain intensity, and on mine severe with road conditions under can be used in mine, and appearance and modeling is soft and graceful.
To achieve these goals, a kind of large-tonnage integral type cab structure that the present invention adopts, skeleton and the sheet metal component be welded on skeleton, described skeleton is welded by shape tube and rectangular tube, and skeleton junction is welded with otic placode reinforced rib; Whole operator's compartment becomes stream line pattern.
Described skeleton comprises end skeleton, parietal bone frame, rear column, middle upper pillar stand, middle lower pillar stand and A-pillar, and skeleton of the described end, parietal bone frame are " well " character form structure that rectangular tube is welded into; Described A-pillar adopts shape tube bending to form; Described parietal bone frame and end framework water placing flat, described A-pillar, rear column are welded on the front and back ends of end skeleton; Described middle lower pillar stand is welded on end skeleton and rear column, and middle upper pillar stand is welded on middle lower pillar stand; Described parietal bone frame is welded on the top of A-pillar, middle upper pillar stand and rear column.
Described sheet metal component comprises front panel, rear end panel and top cover, and described front panel and forward and backward top girth plate are blanked part, and described top cover is made up of three blocks of plates, and described rear end panel is doubling plate cavity body structure.
Described rear end panel be sheet metal component blanking shaping after, welding forms, and rear end panel is welded on rear column and end skeleton; Front panel is complex-curved, and shaping with mould punching, front panel is welded on A-pillar.
A kind of large ton loader, this loader comprises above-mentioned large-tonnage integral type cab structure.
Compared with prior art, the present invention forms primarily of skeleton and the welding of sheet metal parts, and skeleton junction is welded with otic placode reinforced rib; Whole operator's compartment becomes stream line pattern, makes operator's compartment possess certain intensity, and on mine severe with road conditions under can be used in mine, its appearance and modeling is soft and graceful.And skeleton is welded by shape tube and rectangular tube, there is anti-roll, Junk prevention function, and then make that the anti-roll intensity of whole operator's compartment is high, safety factor is high, bending shape tube can fix car door and car glass and cover panel, top cover cover panel is spliced by surface modeling and flat board, flat board is placed on natural torsion on skeleton, and welded rear preservation curved shape, the cost of lower processing completes surface modeling, the double-layer cavity structure of rear end panel, damping noise reduction is effective.In addition, each the welding of sheet metal parts is on skeleton, and overall sealing performance is good, and the welding of skeleton and sheet metal component is located by the technique step of self structure, reduces the dependence to frock clamp.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the section drawing of the shape tube of cab framework of the present invention;
Fig. 3 is the structural representation of top girth plate after the present invention;
Fig. 4 is the structural representation of sinciput coaming plate of the present invention;
Stress analysis figure when Fig. 5 is the rollover of operator's compartment of the present invention;
Fig. 6 be operator's compartment of the present invention with the section drawing of vehicle frame mounting means.
In figure: 1, rear column, 2, middle upper pillar stand, 3, middle lower pillar stand, 4, A-pillar, 5, parietal bone frame, 6, end skeleton, 7, rear top girth plate, 8, top cover, 9, sinciput coaming plate, 10, front panel, 11, rear end panel, 13, guide pillar, 14, operator's compartment adapter plate, 15, installation ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of large-tonnage integral type cab structure, comprise skeleton and be welded on the sheet metal component on skeleton, described skeleton is welded by shape tube and rectangular tube, and skeleton junction is welded with otic placode reinforced rib; Whole operator's compartment becomes stream line pattern.
Described skeleton comprises end skeleton 6, parietal bone frame 5, rear column 1, middle upper pillar stand 2, middle lower pillar stand 3 and A-pillar 4, and skeleton of the described end 6 and parietal bone frame 5 all adopt rectangular tube to be welded into " well " character form structure, and described A-pillar 4 is formed by shape tube bending; Floor welded is on end skeleton 6, A-pillar 4 and rear column 1 are welded on the front and back ends of end skeleton 6, middle lower pillar stand 3 is welded on end skeleton 6 and rear column 1, middle upper pillar stand 2 is welded on middle lower pillar stand 3, the parietal bone frame 5 of " well " character form structure is welded on column, the interface point of each skeleton and each column is welded with otic placode reinforced rib, strengthens weld strength, has Junk prevention function.Wherein, otic placode reinforced rib is bending part.As shown in Figure 2, A-pillar 4 is shape tube A, and the convex-concave platform on shape tube A is for sealing fixing glass C and car door B and front panel 10, and rear column 1 is overstriking type rectangular tube, and middle upper pillar stand 2 is rectangular tube bending part, and middle lower pillar stand 3 is rectangular tube bending part.
Described sheet metal component comprises front panel 10, rear end panel 11 and top cover 8, described top cover 8 is three pieces of sheet metal components, and be welded on parietal bone frame 5, traditional top cover is stamped to form by one block of massive plate, need very large mould, cost is higher, and the massive plate that this top cover is spliced by three pieces of sheet metal components, die needed little, reduce cost.And top cover 8 can, after laser beam cutting blanking is shaping, directly be welded on parietal bone frame 5, by the curved shape of parietal bone frame 5, rely on self gravitation natural torsion.Rear top girth plate 7 is blanked part, and pressured type is positioned on skeleton, above reserved ceiling light mounting hole, and sinciput coaming plate 9 is blanked part, is welded and fixed by suitable contoured recesses and top cover 8.Finally, only need two small moulds can make complex-curved top cover, die cost reduces, and is welded on skeleton by technique step, reduces the use of frock clamp.
Described rear end panel 11 be sheet metal component blanking shaping after, welding forms, and rear end panel 11 is welded on rear column 1 and end skeleton 6.Described front panel 10 is complex-curved, needs with mould punching shaping, and is welded on A-pillar 4.
From said structure, the end of the present invention skeleton and parietal bone frame are " well " character form structure that rectangular tube is welded into, good stability, and intensity is large; Skeleton junction also with the welding of otic placode reinforced rib, further enhances the stability of welding.During use, can be good by frame welding according to said structure, treat that frame welding is good, and after antirust treatment, weld cab floor again, and weld front panel, rear end panel, top cover, sinciput coaming plate and rear top girth plate successively, be overlapped on the corresponding position of skeleton by each sheet metal component, adopt gas to protect weldering welding, the welding of sheet metal parts is easily located.Between skeleton and skeleton, between skeleton and sheet metal component, the technique step of all reliable self structure of the welding between sheet metal component and sheet metal component positions, and decreases the dependence to frock clamp, meets customer personalized demand, be applicable to personalized production.If the welding of sheet metal parts is on skeleton, can designed in advance false boss on skeleton, the boss on the lap-joint of sheet metal component and skeleton matches, and is convenient to the location of sheet metal component, reduces the dependence to frock clamp.Sheet metal component relies on self shape and skeleton cooperation location, and by skeletal support, is convenient to welding.Finally, said structure makes this operator's compartment possess certain intensity, and on mine severe with road conditions under can be used in mine, and appearance and modeling is soft and graceful.In addition, operator's compartment sheet metal component of the present invention only needs 3 moulds, and traditional cavity operator's compartment needs mold more than 30, reduces cost.
The analysis chart of the anti-roll experiment of cab framework of the present invention as shown in Figure 5, after operator's compartment left side-turning, frame skeleton structure bears Sum decomposition impulsive force, the energy distribution of each stressed member of even coupling, produce slight deformation, but there is not fracture and cracking in the structure of operator's compartment, the safety of driving indoor occupant can be ensured when turning on one's side, occur in weld after rollover that stress is concentrated, need to strengthen process during the welding of these welds.
Skeleton 6 at the bottom of described " well " font, by rectangular tube welding fabrication, welding process needs frock to ensure, suppresses welding deformation.Fig. 6 is operator's compartment assembly and vehicle frame connection mode section drawing, and guide pillar 13 is welded on operator's compartment adapter plate 14, plays rollover and the position-limiting action of prevention operator's compartment.Installation ring 15 is welded on operator's compartment adapter plate 14, is used for installing silicon oil shock absorber, plays operator's compartment cushioning effect.Operator's compartment adapter plate 14 is welded on end skeleton 6, connects operator's compartment and vehicle frame.
A kind of large ton loader, this loader comprises above-mentioned large-tonnage integral type cab structure.The appearance and modeling of loader coordinates operator's compartment, and overall in stream line pattern, moulding is soft and graceful, operator's compartment broad view, and car load safety factor is high.
Claims (5)
1. a large-tonnage integral type cab structure, is characterized in that, comprise skeleton and be welded on the sheet metal component on skeleton, described skeleton is welded by shape tube and rectangular tube, and skeleton junction is welded with otic placode reinforced rib; Whole operator's compartment becomes stream line pattern.
2. a kind of large-tonnage integral type cab structure according to claim 1, it is characterized in that, described skeleton comprises end skeleton (6), parietal bone frame (5), rear column (1), middle upper pillar stand (2), middle lower pillar stand (3) and A-pillar (4), and skeleton of the described end (6) and parietal bone frame (5) all adopt rectangular tube to be welded into " well " character form structure; Described A-pillar (4) adopts shape tube bending to form; Described parietal bone frame (5) and end skeleton (6) horizontal positioned, described A-pillar (4), rear column (1) are welded on the front and back ends of end skeleton (6); Described middle lower pillar stand (3) is welded on end skeleton (6) and rear column (1), and middle upper pillar stand (2) is welded on middle lower pillar stand (3); Described parietal bone frame (5) is welded on the top of A-pillar (4), middle upper pillar stand (2) and rear column (1).
3. a kind of large-tonnage integral type cab structure according to claim 2, it is characterized in that, described sheet metal component comprises front panel (10), rear end panel (11) and top cover (8), described front panel (10) and forward and backward top girth plate (9,7) are blanked part, described top cover (8) is made up of three blocks of plates, and described rear end panel (11) is doubling plate cavity body structure.
4. a kind of large-tonnage integral type cab structure according to claim 3, it is characterized in that, described rear end panel (11) for sheet metal component blanking shaping after, welding forms, and rear end panel (11) is welded on rear column (1) and end skeleton (6); Front panel (10) is for complex-curved, shaping with mould punching, and is welded on A-pillar (4).
5. a large ton loader, is characterized in that, this loader comprises the large-tonnage integral type cab structure in above-mentioned any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822299.9A CN104527814A (en) | 2014-12-25 | 2014-12-25 | Large-tonnage integral cab structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822299.9A CN104527814A (en) | 2014-12-25 | 2014-12-25 | Large-tonnage integral cab structure |
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| Publication Number | Publication Date |
|---|---|
| CN104527814A true CN104527814A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822299.9A Pending CN104527814A (en) | 2014-12-25 | 2014-12-25 | Large-tonnage integral cab structure |
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| CN (1) | CN104527814A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218727A (en) * | 2016-08-31 | 2016-12-14 | 徐工集团工程机械有限公司 | Driver's cabin and engineering truck |
| CN109335968A (en) * | 2018-11-11 | 2019-02-15 | 扬戈科技股份有限公司 | The manufacturing method of driver down from tower crane room |
-
2014
- 2014-12-25 CN CN201410822299.9A patent/CN104527814A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218727A (en) * | 2016-08-31 | 2016-12-14 | 徐工集团工程机械有限公司 | Driver's cabin and engineering truck |
| CN109335968A (en) * | 2018-11-11 | 2019-02-15 | 扬戈科技股份有限公司 | The manufacturing method of driver down from tower crane room |
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Application publication date: 20150422 |