CN101746239B - Rollover-resistant mechanism for dumper - Google Patents
Rollover-resistant mechanism for dumper Download PDFInfo
- Publication number
- CN101746239B CN101746239B CN201010001007A CN201010001007A CN101746239B CN 101746239 B CN101746239 B CN 101746239B CN 201010001007 A CN201010001007 A CN 201010001007A CN 201010001007 A CN201010001007 A CN 201010001007A CN 101746239 B CN101746239 B CN 101746239B
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- China
- Prior art keywords
- rollover
- dumper
- cliding seat
- resistant mechanism
- hydraulic ram
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Abstract
The invention discloses a rollover-resistant mechanism for a dumper. The mechanism comprises a fixing support base respectively arranged on two sides of the back part of a dumper frame, wherein a sliding slot is arranged on the lower part of the fixing support base along the length direction, and a sliding seat is arranged in the sliding slot. When unloading, the sliding seat moves forwards along the sliding slot and the lower part thereof is pressed on a back bridge of the vehicle so the frame is rigidity contacted with the back bridge of the vehicle. By arranging the rollover-resistant mechanism on the dumper, when the back wagon box is lifted so as to unload, the frame and the bridge of the vehicle can form rigidity contact in order to prevent a plate spring on one side of the vehicle from deforming caused by the unbalanced loading of the spring and the shifting of the wagon box and avoid the phenomenon of the rollover caused by the wagon box excessively deflecting.
Description
Technical field
The present invention relates to the dumping car field, especially a kind of rollover-resistant mechanism for dumper.
Background technology
At present; On each bar express highway, main national highway and the common highway of ground such as Inner Mongol of China, Shanxi, Shaanxi and domestic main coal-producing area periphery; Long wheelbase, multi-shaft long vehicle case fortune coal dumping car, the semi-mounted fortune coal dumping car of overlength railway carriage is seen everywhere.Car production producer is the increasing stowage capacity requirement of satisfying the user, and the wheelbase of vehicle is strengthened, and the trunk lengthening and increase, makes nearly 9 meters of the length of bicycle trunk, and the sidebar plate height of railway carriage is above 2.2 meters.Like this, the roll rate of vehicle chassis is greatly reduced, when having aggravated the vehicle unloading, the probability of rollover takes place.In addition; On each mine, water power, railway, highway and each building ground of China; The various heavy dump truck of a large amount of universal standard overall width of using reaches millions of more than, and these vehicles are not in use stopping under the positive state because of the unloading place injustice on superelevation, unbalance loading or the building site and vehicle often; In lifting trunk when unloading,, vehicle rollover takes place and the accident that causes vehicle damage or personnel to hinder, die.In recent years, China various places take place in, heavy-duty tipper overturns, and causes vehicle damage, the accident frequency of personal casualty is quite high.
Summary of the invention
Problem to the prior art existence; The railway carriage and the vehicle frame that the object of the present invention is to provide a kind of moving stroke room that reduces or eliminates because of car chassis to cause laterally excessively change partially with respect to ground-surface, reduce or avoid vehicle that the rollover-resistant mechanism for dumper of rollover takes place.
For realizing above-mentioned purpose; Rollover-resistant mechanism for dumper of the present invention comprises the fixed bearing that is separately positioned on both sides, dumping car vehicle frame rear portion, and the bottom of this fixed bearing is provided with chute along the length direction of car body; Be provided with cliding seat in the chute; Cliding seat travels forward along chute during unloading, so that its underpart is fitted on the automobile axle, making vehicle frame and automobile axle is that rigidity contacts.
Further, the rear portion of said fixed bearing is fixedly connected with hydraulic ram, and its piston rod is captiveed joint with said cliding seat, and after hydraulic ram loaded, piston rod promoted said cliding seat and travels forward.
Further, said hydraulic ram is unidirectional hydraulic ram, is provided with pull back spring in the cylinder block, and after the hydraulic ram unloading, pull back spring spurs said cliding seat and sets back.
Further, the working hydraulic pressure propulsion source of said hydraulic ram is the hydraulic efficiency pressure system of dumping car.
Further, the bottom of said cliding seat has been fixedly connected sequentially and has adjusted backing plate and clap board, and the front portion of clap board is provided with the wedge mouth, imports on the said automobile axle to make things convenient for its slip.
Further, said chute is a T shape structure, and said cliding seat is mounted in the said chute through the T shape slideway that its top is provided with.
Further, the front lower place of said cliding seat is equipped with and is used to cushion the yielding rubber backing plate that collides between said automobile axle and the vehicle frame.
The present invention is through being provided with rollover-resistant mechanism on dumping car; Make dumping car when the lifting trunk unloads; Automobile chassis frame and vehicle bridge are formed rigidity to be contacted; The steel spring of restricting vehicle one side has avoided causing because of railway carriage generation excessive deflection the phenomenon of vehicle rollover because of the distortion that unbalance loading and railway carriage skew lifting forms.
Description of drawings
Fig. 1 is a structural representation of the present invention in the dumping car normal course of operation;
Working state structure scheme drawing of the present invention when Fig. 2 unloads for dumping car.
The specific embodiment
As shown in Figure 1; Rollover-resistant mechanism for dumper of the present invention comprises the fixed bearing 4 that is separately positioned on both sides, dumping car vehicle frame 12 rear portion; The bottom of each fixed bearing 4 is provided with chute 11 along the length direction of car body; Chute 11 is a T shape structure, and cliding seat 5 is mounted in the chute 11 through the T shape slideway that its top is provided with.The rear portion of each fixed bearing 4 is fixedly connected with hydraulic ram 6, its piston rod 10 and cliding seat 5 usefulness slotted nuts tighten and wear spring cotter locking fix be connected.
After hydraulic ram 6 loaded, piston rod 10 promoted cliding seats 5 and travels forward, and cliding seat 5 is set in the present embodiment can be on the T of the fixed bearing 4 shape chute about slip 150mm.The bottom of cliding seat 5 has been fixedly connected sequentially from top to bottom and has adjusted backing plate 7 and clap board 8, and adjustment backing plate 7 can move with cliding seat 5 with clap board 8, and the front portion of clap board 8 is provided with wedge mouth 14, and wedge mouth 14 has made things convenient for cliding seat 5 slips to import on the automobile axle 1.Adjust the thickness of backing plate 7 in the present invention through adjustment; In the time of can making rollover-resistant mechanism for dumper of the present invention in working order; Reduce or eliminate the gap at spring end saddle 3 tops of clap board 8 and automobile axle 1; Even, vehicle frame 12 is contacted for rigidity with automobile axle 1 so that cliding seat 5 integral body are fitted on the automobile axle 1.
Among the present invention; Hydraulic ram 6 is unidirectional hydraulic ram; The rear end of hydraulic ram 6 is the oil inlet and oil return mouth of oil cylinder; The working hydraulic pressure propulsion source of hydraulic ram 6 is the hydraulic efficiency pressure system of dumping car, and the dumping car hydraulic control system is connected with the hydraulic ram 6 of left and right vehicle wheel both sides through parallel way through oil pipe 9.Through behind former car hydraulic efficiency operated valve, installing the Pneumatic and hydraulic change-over valve additional, realize the conversion operations of rollover-resistant mechanism for dumper of the present invention and the lifting of dumping car trunk among the present invention.
Be provided with pull back spring 13 in the cylinder block; After hydraulic ram 6 unloadings, pull back spring 13 pulling piston rods 10 are got back in the cylinder block, and then set back through piston rod 10 pulling cliding seats 5; Contact thereby make vehicle frame 12 break away from rigidity with automobile axle 1, railway carriage promptly can be normal working.
The front lower place of cliding seat 5 among the present invention is equipped with the yielding rubber backing plate, and when being used for automobile normal running, the bump that causes because of the elastic deformation of rear overhang spring plate 2 between automobile axle 1 and the vehicle frame 12 plays buffer action.
When rollover-resistant mechanism for dumper of the present invention is worked; Hydraulic ram 6 starts, and piston rod 10 promotes cliding seat 5 and travels forward, through the importing effect of clap board 8; Cliding seat 5 will be press fit into spring end saddle 3 tops of automobile axle 1; So that cliding seat 5 and automobile axle 1 be for rigidity contacts, thereby make vehicle frame 12 and automobile axle 1 for rigidity contacts, like this under the rigidity of the railway carriage left and right sides limits; With regard to having avoided because the steel spring of automobile one side because of the distortion that unbalance loading or railway carriage skew lifting form, has avoided causing because of railway carriage generation excessive deflection the phenomenon of vehicle rollover.After unloading is accomplished, hydraulic ram 6 releases, the pull back spring 13 of its set inside will drive cliding seat 5 integral body and return to the initial position, make promptly vehicle frame 12 break away from rigidity with automobile axle 1 and contact that railway carriage recovers the normal transport state.
The present invention is simple in structure, does not change the structure of former dumping car, is convenient to the repacking of existing dumping car, and the repacking cost is low, is easy to practical application.
Claims (7)
1. rollover-resistant mechanism for dumper; It is characterized in that this mechanism comprises the fixed bearing that is separately positioned on both sides, dumping car vehicle frame rear portion, the bottom of this fixed bearing is provided with chute along the length direction of car body; Be provided with cliding seat in the chute; Cliding seat travels forward along chute during unloading, so that its underpart is fitted on the automobile axle, making vehicle frame and automobile axle is that rigidity contacts.
2. rollover-resistant mechanism for dumper as claimed in claim 1 is characterized in that the rear portion of said fixed bearing is fixedly connected with hydraulic ram, and its piston rod is captiveed joint with said cliding seat, and after hydraulic ram loaded, piston rod promoted said cliding seat and travels forward.
3. rollover-resistant mechanism for dumper as claimed in claim 2 is characterized in that said hydraulic ram is unidirectional hydraulic ram, is provided with pull back spring in the cylinder block, and after the hydraulic ram unloading, pull back spring spurs said cliding seat and sets back.
4. rollover-resistant mechanism for dumper as claimed in claim 3 is characterized in that, the working hydraulic pressure propulsion source of said hydraulic ram is the hydraulic efficiency pressure system of dumping car.
5. rollover-resistant mechanism for dumper as claimed in claim 1 is characterized in that, the bottom of said cliding seat has been fixedly connected sequentially and has adjusted backing plate and clap board, and the front portion of clap board is provided with the wedge mouth, imports on the said automobile axle to make things convenient for its slip.
6. rollover-resistant mechanism for dumper as claimed in claim 1 is characterized in that, said chute is a T shape structure, and said cliding seat is mounted in the said chute through the T shape slideway that its top is provided with.
7. rollover-resistant mechanism for dumper as claimed in claim 1 is characterized in that, the front lower place of said cliding seat is equipped with and is used to cushion the yielding rubber backing plate that collides between said automobile axle and the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010001007A CN101746239B (en) | 2010-01-18 | 2010-01-18 | Rollover-resistant mechanism for dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010001007A CN101746239B (en) | 2010-01-18 | 2010-01-18 | Rollover-resistant mechanism for dumper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746239A CN101746239A (en) | 2010-06-23 |
| CN101746239B true CN101746239B (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010001007A Expired - Fee Related CN101746239B (en) | 2010-01-18 | 2010-01-18 | Rollover-resistant mechanism for dumper |
Country Status (1)
| Country | Link |
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| CN (1) | CN101746239B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD294214A5 (en) * | 1990-05-07 | 1991-09-26 | Maschinenbau Babelsberg Gmbh,De | DEVICE FOR DETERMINING DEFLECTED VEHICLE AXES COMPRISING CRANE OR VEHICLE FRAMES |
| CN201140657Y (en) * | 2008-01-11 | 2008-10-29 | 苏州和声科技有限公司 | Double-purpose vehicle for road and railway |
| DE202008014426U1 (en) * | 2007-10-30 | 2009-04-02 | Schmitz Cargobull Ag | Air spring wishbone arrangement for a vehicle axle |
| CN201597410U (en) * | 2010-01-18 | 2010-10-06 | 鄂尔多斯市东胜区中兴特种车辆制造有限责任公司 | Dump truck rollover prevention mechanism |
-
2010
- 2010-01-18 CN CN201010001007A patent/CN101746239B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD294214A5 (en) * | 1990-05-07 | 1991-09-26 | Maschinenbau Babelsberg Gmbh,De | DEVICE FOR DETERMINING DEFLECTED VEHICLE AXES COMPRISING CRANE OR VEHICLE FRAMES |
| DE202008014426U1 (en) * | 2007-10-30 | 2009-04-02 | Schmitz Cargobull Ag | Air spring wishbone arrangement for a vehicle axle |
| CN201140657Y (en) * | 2008-01-11 | 2008-10-29 | 苏州和声科技有限公司 | Double-purpose vehicle for road and railway |
| CN201597410U (en) * | 2010-01-18 | 2010-10-06 | 鄂尔多斯市东胜区中兴特种车辆制造有限责任公司 | Dump truck rollover prevention mechanism |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-217740A 1998.08.18 |
| JP特开平7-251622A 1995.10.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101746239A (en) | 2010-06-23 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20140118 |