CN203888881U - Half-hung large-tonnage special vehicle - Google Patents
Half-hung large-tonnage special vehicle Download PDFInfo
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- CN203888881U CN203888881U CN201420240632.0U CN201420240632U CN203888881U CN 203888881 U CN203888881 U CN 203888881U CN 201420240632 U CN201420240632 U CN 201420240632U CN 203888881 U CN203888881 U CN 203888881U
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- vehicle frame
- crossbeam
- platform
- run
- rear end
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Abstract
The utility model belongs to the technical field of special vehicle equipment and relates to a half-hung large-tonnage special vehicle which comprises a traction pin, mechanical supporting legs, a frame, an electrical system, a suspension system, a pneumatic braking system and a wheel shaft system. The traction pin is connectedly fixed on the middle portion right in front of the frame, the electrical system is connected below the frame in a shuttling manner, the suspension system is connectedly fixed above a wheel shaft at the rear end of the frame, and the wheel shaft system is connectedly fixed below a wheel carrier at the rear end of the frame. The half-hung large-tonnage special vehicle can reduce height of a load-bearing face, lower barycenter of a working table, meet requirements on rigidity of the load-bearing face and adapt to any severe environment and is high in safety.
Description
Technical field
The utility model relates to a kind of semi-trailer large-tonnage special purpose vehicle chassis, belongs to special vehicle equipment technology field.
Background technology
Due to the needs of company's research and development of products, design and possess high precision levelling function and high strength support function, and can realize a kind of chassis of semi-trailer of transport safely and steadly, also requiring this chassis can be the standby service platform that stable operation is provided of upper installing simultaneously.The system height of current most of chassis of semi-trailer and carrying surface height are all higher, in the time of chassis of semi-trailer delivery main equipment, center of gravity is high, first cause stability bad, in the time that turning, brake and road conditions are severe, travel safety reduces, secondly when transport superelevation equipment, cannot pass through cable on tunnel and overpass etc., just poor by the ability of crown obstacle.
Utility model content
For above technical matters, the purpose of this utility model is to provide a kind of center of gravity of height and the work top that can reduce carrying surface, can meet again the rigidity requirement of carrying surface, safe, can to adapt to any harsh environment semi-trailer large-tonnage special purpose vehicle chassis.
To achieve these goals, the utility model is by the following technical solutions:
A kind of semi-trailer large-tonnage special purpose vehicle chassis, comprise towing pin, mechanical lag, vehicle frame, electric system, suspension, air braking system, axletree system, towing pin is fastened on the middle part, dead ahead of vehicle frame, electric system shuttles back and forth and is connected in vehicle frame below, suspension is fastened on wheel shaft top, vehicle frame rear end, and axletree system is fastened on the wheel carrier below of vehicle frame rear end.
Also comprise maintenance ladder, maintenance platform, terraced to pedal, maintenance ladder is fixed on by link on the maintenance platform of vehicle frame front end, and maintenance platform is welded in the position, gooseneck both sides of vehicle frame front end, and ladder is fixed on the wheel carrier of vehicle frame rear end by link to pedal.
Described vehicle frame is mainly by longeron, deep beam, front platform, before run through crossbeam, the I-shaped muscle of cutting sth. askew, right-angled crossing beam, middle platform, revolution mount pad, rear platform, H-girder, after run through crossbeam composition, two longeron Parallel Symmetrics are arranged, before being interspersed in, run through crossbeam with after run through among crossbeam, before run through crossbeam and be fixed on longeron spill front portion, after run through crossbeam and be fixed on longeron rear end wheel carrier afterbody, vehicle frame middle part and rear portion are welded between two longerons without being spaced by right-angled crossing muscle beam, form the prismatic net structure of sealing, vehicle frame spill rear portion arranges revolution mount pad, below is provided with two I-shaped muscle and diagonal ligament structures strengthened side by side, deep beam is arranged on vehicle frame front end gooseneck portion, H-girder is arranged on wheel carrier place, vehicle frame rear end, platform before connecting on vehicle frame spill place two side girders, platform in connecting on revolution mount pad two side girders, on wheel carrier place, rear end two side girders, connect rear platform.
Described longeron is that wing plate is welded into variable section I-shaped structure.
Before described, run through crossbeam, after run through crossbeam and form two riser box type parts by Plate Welding, box part inner support interface is provided with cross-rib.
The described I-shaped muscle of cutting sth. askew is made up of three steel plates of cutting sth. askew.
By two I-shaped muscle of cutting sth. askew, staggered interting forms described right-angled crossing muscle beam symmetrically.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model structure design is ingenious; vehicle frame uniqueness; standby the playing of upper installing located and protective effect; and can not produce any impact to the standby work of upper installing; meet the requirement of high rigidity, high strength, high stable; realize the safe and reliable pulsation-free transport of superimposed trailer and supported, having there is novel structure, easy to maintenance, high reliability, can be widely used in special equipment trade.
2, vehicle frame adopts the mechanics of space geometry form, first form I-shaped muscle by three steel plates of cutting sth. askew, secondly by two I-shaped muscle, staggered interting forms right-angled crossing beam symmetrically, again right-angled crossing beam is welded between longeron without being spaced, form the prismatic net structure of sealing, the load-carrying capacity and the anti-twisting property that have ensured crossbeam are high rigidity, the high strength of body frame structure for automotive, when vehicle frame rigidity meets upper dress some work leveling precision change be not more than 6 '.
3, revolution mount pad is that bench board is arranged at the recessed beam postmedian of vehicle frame, and below is provided with two I-shaped muscle and diagonal ligaments strengthened side by side, reach load-carrying capacity strong, carry underslung object, guaranteed stationarity and the safety of transport.
4, run through crossbeam and form two riser box type parts by Plate Welding, improved structural strength thereby box part inner support interface is provided with cross-rib.
5, the anterior maintenance platform arranging of gooseneck adopts guardrail plug-in mounting mode, and maintenance platform can launch to both sides, fold, draw according to requirements of one's work, and guardrail can plug-in mounting, retract, and has not only met safety of operation, but also has facilitated and transport.
6, superimposed trailer front end has been connected and fixed maintenance ladder, and rear end has been connected and fixed ladder to pedal, can keep supplying dress maintenance of equipment, assembling, debugging, work time, uses, convenient and safe reliable.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is body frame structure for automotive schematic diagram;
Fig. 3 is the utility model left view;
Fig. 4 is the utility model birds-eye view;
Fig. 5 is the A-A cutaway view of Fig. 4;
In figure: maintenance ladder 1, towing pin 2, maintenance platform 3, mechanical lag 4, vehicle frame 5, electric system 6, to pedal ladder 7, suspension 8, air braking system 9, axletree system 10, longeron 11, deep beam 12, front platform 13, frontly run through crossbeam 14, the I-shaped muscle 15 of cutting sth. askew, right-angled crossing beam 16, middle platform 17, revolution mount pad 18, rear platform 19, H-girder 20, after run through crossbeam 21.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but claimed scope is not limited to content described in the present embodiment.
As shown in Fig. 1～5, the utility model is a kind of semi-trailer large-tonnage special purpose vehicle chassis, comprise towing pin 2, mechanical lag 4, vehicle frame 5, electric system 6, suspension 8, air braking system 9, axletree system 10, towing pin 2 is fastened on the middle part, dead ahead of vehicle frame 5, electric system 6 shuttles back and forth and is connected in vehicle frame 5 belows, suspension 8 is fastened on vehicle frame 5 wheel shaft tops, rear end, and axletree system 10 is fastened on the wheel carrier below of vehicle frame rear end.
Also comprise maintenance ladder 1, maintenance platform 3, ladder 7 to pedal, maintenance ladder 1 is fixed on by link on the maintenance platform 3 of vehicle frame 5 front ends, and maintenance platform 3 is welded in the position, gooseneck both sides of vehicle frame 5 front ends, and ladder 7 is fixed on vehicle frame 5 rear end wheel carriers by link to pedal.
Described vehicle frame 5 is mainly by longeron 11, deep beam 12, front platform 13, before run through crossbeam 14, the I-shaped muscle 15 of cutting sth. askew, right-angled crossing beam 16, middle platform 17, revolution mount pad 18, rear platform 19, H-girder 20, after run through crossbeam 21 and form, two longeron 11 Parallel Symmetrics are arranged, before being interspersed in, run through crossbeam 14 with after run through among crossbeam 21, before run through crossbeam 14 and be fixed on longeron 11 spill front portions, after run through crossbeam 21 and be fixed on longeron 11 rear end wheel carrier afterbodys, vehicle frame 5 middle parts and rear portion are welded between two longerons 11 without being spaced by right-angled crossing muscle beam 16, form the prismatic net structure of sealing, vehicle frame 5 spill rear portions arrange revolution mount pad 18, below is provided with two I-shaped muscle and diagonal ligament structures strengthened side by side, improve structural strength, deep beam 12 is arranged on vehicle frame 5 front end gooseneck portions, H-girder 20 is arranged on vehicle frame 5 wheel carrier places, rear end, platform 13 before connecting on vehicle frame 5 spill place two side girders 11, platform 17 in connecting on 18 liang of side girders 11 of revolution mount pad, on wheel carrier place, rear end two side girders, connect rear platform 19, vehicle frame is played to reinforcement effect.
Described longeron 11 is welded into variable section I-shaped structure for wing plate.
Before described, run through crossbeam 14, after run through crossbeam 21 and form two riser box type parts by Plate Welding, box part inner support interface is provided with cross-rib.
The described I-shaped muscle 15 of cutting sth. askew is made up of three steel plates of cutting sth. askew.
By two I-shaped muscle 15 of cutting sth. askew, staggered interting forms described right-angled crossing muscle beam 16 symmetrically.
Principle of work of the present utility model is: by the supporting role of four wheels of front end robot supporting leg and rear end, realized the operating needs that superimposed trailer is independently parked; Coordinate the effect of air braking system, can ensure safe and reliable parking in certain slope; Utilize mechanical lag that semi-trailer traction pin height and tractor truck saddle height are consistent, tractor truck reversing, saddle docks with towing pin, locking towing pin, pack up mechanical lag, open hand brake valve, then reliably connect the connecting cable of inflation, pilot piping and the electric system of air braking system, superimposed trailer and tractor truck, in integrality, meet the requirement of driving.
When superimposed trailer and tractor truck depart from, strutting mechanical lag makes mechanical lag that semi-trailer traction pin height and tractor truck saddle height are consistent, close hand brake valve, disconnect the connecting cable of inflation, pilot piping and the electric system of air braking system, traction is started forward, saddle and towing pin unclamp, and superimposed trailer and tractor truck are in disengaged position.
Claims (7)
1. a semi-trailer large-tonnage special purpose vehicle chassis, it is characterized in that: comprise towing pin (2), mechanical lag (4), vehicle frame (5), electric system (6), suspension (8), air braking system (9), axletree system (10), towing pin (2) is fastened on the middle part, dead ahead of vehicle frame (5), electric system (6) shuttles back and forth and is connected in vehicle frame (5) below, suspension (8) is fastened on wheel shaft top, vehicle frame (5) rear end, axletree system (10) is fastened on the wheel carrier below of vehicle frame rear end.
2. semi-trailer large-tonnage special purpose vehicle as claimed in claim 1 chassis, it is characterized in that: also comprise maintenance ladder (1), maintenance platform (3), ladder (7) to pedal, maintenance ladder (1) is fixed on by link on the maintenance platform (3) of vehicle frame (5) front end, maintenance platform (3) is welded in the position, gooseneck both sides of vehicle frame (5) front end, and ladder (7) is fixed on the wheel carrier of vehicle frame (5) rear end by link to pedal.
3. semi-trailer large-tonnage special purpose vehicle as claimed in claim 1 or 2 chassis, it is characterized in that: described vehicle frame (5) is mainly by longeron (11), deep beam (12), front platform (13), before run through crossbeam (14), the I-shaped muscle (15) of cutting sth. askew, right-angled crossing beam (16), middle platform (17), revolution mount pad (18), rear platform (19), H-girder (20), after run through crossbeam (21) composition, two longerons (11) Parallel Symmetric is arranged, before being interspersed in, run through crossbeam (14) with after run through among crossbeam (21), before run through crossbeam (14) and be fixed on longeron (11) spill front portion, after run through crossbeam (21) and be fixed on longeron (11) rear end wheel carrier afterbody, vehicle frame (5) middle part and rear portion are welded between two longerons (11) without being spaced by right-angled crossing muscle beam (16), form the prismatic net structure of sealing, vehicle frame (5) spill rear portion arranges revolution mount pad (18), below is provided with two I-shaped muscle and diagonal ligament structures strengthened side by side, deep beam (12) is arranged on vehicle frame (5) front end gooseneck portion, H-girder (20) is arranged on wheel carrier place, vehicle frame (5) rear end, platform (13) before the upper connection of vehicle frame (5) spill place two side girders (11), platform (17) in upper connection of revolution mount pad (18) two side girders (11), on wheel carrier place, rear end two side girders, connect rear platform (19).
4. semi-trailer large-tonnage special purpose vehicle as claimed in claim 3 chassis, is characterized in that: described longeron (11) is welded into variable section I-shaped structure for wing plate.
5. semi-trailer large-tonnage special purpose vehicle as claimed in claim 3 chassis, it is characterized in that: before described, run through crossbeam (14), after run through crossbeam (21) and form two riser box type parts by Plate Welding, box part inner support interface is provided with cross-rib.
6. semi-trailer large-tonnage special purpose vehicle as claimed in claim 3 chassis, is characterized in that: described in the I-shaped muscle (15) of cutting sth. askew formed by three steel plates of cutting sth. askew.
7. semi-trailer large-tonnage special purpose vehicle as claimed in claim 3 chassis, is characterized in that: by two I-shaped muscle (15) of cutting sth. askew, staggered interting forms described right-angled crossing muscle beam (16) symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240632.0U CN203888881U (en) | 2014-05-12 | 2014-05-12 | Half-hung large-tonnage special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240632.0U CN203888881U (en) | 2014-05-12 | 2014-05-12 | Half-hung large-tonnage special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888881U true CN203888881U (en) | 2014-10-22 |
Family
ID=51715319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420240632.0U Withdrawn - After Issue CN203888881U (en) | 2014-05-12 | 2014-05-12 | Half-hung large-tonnage special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002864A (en) * | 2014-05-12 | 2014-08-27 | 贵州航天天马机电科技有限公司 | Special equipment semitrailer chassis |
| CN112977653A (en) * | 2021-04-09 | 2021-06-18 | 山东郓城东旭专用车制造有限公司 | Gooseneck semi-trailer with frame punching structure |
-
2014
- 2014-05-12 CN CN201420240632.0U patent/CN203888881U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002864A (en) * | 2014-05-12 | 2014-08-27 | 贵州航天天马机电科技有限公司 | Special equipment semitrailer chassis |
| CN104002864B (en) * | 2014-05-12 | 2016-04-13 | 贵州航天天马机电科技有限公司 | A kind of special equipment chassis of semi-trailer |
| CN112977653A (en) * | 2021-04-09 | 2021-06-18 | 山东郓城东旭专用车制造有限公司 | Gooseneck semi-trailer with frame punching structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |