CN203611912U - Protection device for rear part of engineering self-dumping truck - Google Patents
Protection device for rear part of engineering self-dumping truck Download PDFInfo
- Publication number
- CN203611912U CN203611912U CN201320711836.3U CN201320711836U CN203611912U CN 203611912 U CN203611912 U CN 203611912U CN 201320711836 U CN201320711836 U CN 201320711836U CN 203611912 U CN203611912 U CN 203611912U
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- China
- Prior art keywords
- protective device
- longeron
- rear portion
- dump truck
- hydraulic cylinder
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Abstract
The utility model discloses a protection device for a rear part of an engineering self-dumping truck. The protection device is arranged on a rotary shaft which is used for connecting a self-dumping carriage assembly and a frame longitudinal-beam assembly; one end of each of two longitudinal beams of the protection device is connected with a transverse beam of the protection device, and the other end of each of the two longitudinal beams is connected to the rotary shaft; the longitudinal beams are of a box structure and are divided into an upper longitudinal beam and a lower longitudinal beam; the lower longitudinal beam is arranged in the upper longitudinal beam; the upper longitudinal beam is connected with the lower longitudinal beam through a pin; a plurality of shearing bolt-nut combinations are arranged on the lower longitudinal beam; the protection device also comprises a folding hydraulic cylinder; one end of the folding hydraulic cylinder is connected with a shaft pin on the rotary shaft, and the other end of the folding hydraulic cylinder is connected with the transverse beam. The protection device for the rear part of the engineering self-dumping truck is provided with a plurality of standby devices, and the problem of low protection on a driver and a passenger of a coach, particularly a sedan when the coach, particularly the sedan, collides with the engineering self-dumping truck is fully solved.
Description
Technical field
The utility model relates to building engineering field, particularly a kind of engineering dump truck rear portion protective device.
Background technology
The at present rear portion protective device present situation of engineering dump truck:
The protective device at an engineering dump truck rear portion is all to adopt steel to be welded into framework, then uses bolt and nut to be arranged on the end of Truck Frame Model longeron.Due to the discharging vehicle performance requriements such as need to unload voluntarily, cause the distance of protective device and vehicle tail excessive, excessive with ground distance, can not contact with protective device in time when particularly car knocks into the back with it at passenger vehicle; And existing protective device does not have the collapse energy-absorption effect of direction of traffic.If the thickness of steel product that protective device adopts hour, passenger vehicle collides with it, the rapid crimp of protective device; Otherwise protective device will become the sharp weapon of infringement rear car.
The posterior means requirement of present stage market to engineering dump truck:
1, can not affect an engineering dump truck existing performance requriements
2, protective device position in rear portion is accurate, guarantees when rear car knocks into the back with it promptly and accurately to contact
3, rear portion protective device requires to have sufficient energy-absorbing conquassation function
Therefore, the utility model designs a kind of protective device and moves, moves earthward to vehicle rear, guarantees when rear car knocks into the back with it fully to contact in time; The part that protective device is connected with chassis side rail increases cutting mechanism and the Foldable hydraulic cylinder with overflow device, and assurance device has energy-absorbing function and enough recoverabilities; Increase kinematic mechanism, guarantee that this protective device can not affect the functions such as the unloading of vehicle; The kinematic mechanism increasing adopts hydraulic-driven, the control system of vehicle self can save suitable expense.Fully solve passenger vehicle particularly when car and engineering dump truck rear-end impact, the problem of the protection deficiency to rear car driver and crew
Utility model content
A kind of engineering dump truck of the utility model rear portion protective device, for having solved passenger vehicle particularly when car and engineering dump truck rear-end impact, the concrete solution of problem of the protection deficiency to rear car driver and crew is as follows:
A kind of engineering dump truck rear portion protective device, wherein, described protective device is installed on the S. A. that self-discharging carriage assembly is connected with chassis side rail assembly, the crossbeam of two longeron one end connection protecting devices of described protective device, and the other end is connected on described S. A.;
Described longeron is box-like structure, is divided into longeron and lower longeron two parts, and described lower longeron connects with pin in longeron and between upper and lower longeron on described, on described lower longeron, shears unit bolt nut with several;
Described protective device also comprises a Foldable hydraulic cylinder, and described Foldable hydraulic cylinder one end is connected with the pivot pin on described S. A., and the other end is connected with described crossbeam.
Above-mentioned a kind of engineering dump truck rear portion protective device, wherein, described collision protection structure can rotate freely along with described dumper skip assembly under the effect of described Foldable hydraulic cylinder, self-discharging carriage rise time in order not make compartment and protective device collide, so Foldable hydraulic cylinder and self-unloading hydraulic actuating cylinder start simultaneously.
Above-mentioned a kind of engineering dump truck rear portion protective device, wherein, after being hit with the Foldable hydraulic cylinder of overflow device, hydraulic actuating cylinder shortens, and the pressure rise in hydraulic tubing, opens overflow device one by one, absorbs rear impact energy; The shearing unit bolt nut being connected between described upper longeron and described lower longeron is cut off after clashing into one by one, absorb the energy that clashes into collision, when rear car knocks into the back with the vehicle that this device is installed, the shock that rear portion anti-collision beam 1 is subject to rear car moves to vehicle front, Foldable hydraulic cylinder 7 continues to shorten, and lower longeron 2, upper longeron 3 occur mutually mobile
Above-mentioned a kind of engineering dump truck rear portion protective device, wherein, described Foldable hydraulic cylinder can extend with self-unloading hydraulic actuating cylinder simultaneously, between described upper and lower longeron, is also elongated, and described protective device rises rapidly.
Above-mentioned a kind of engineering dump truck rear portion protective device, wherein, described each junction all connects with bearing pin.
Described a kind of engineering dump truck rear portion protective device has several for subsequent use
Adopt the beneficial effect after the present invention to be:
Fully solve passenger vehicle particularly when car and engineering dump truck rear-end impact, the problem of the protection deficiency to rear car driver and crew.
Accompanying drawing explanation
Fig. 1 is a kind of engineering dump truck of the utility model rear portion protective device schematic diagram;
Fig. 2 is that a kind of engineering dump truck of the utility model rear portion protective device rises view;
Fig. 3 is that protective device compartment, a kind of engineering dump truck rear portion of the utility model rises view;
Fig. 4 is a kind of engineering dump truck of the utility model rear portion protective device longeron schematic diagram;
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further with concrete example, but not as restriction of the present utility model.
Refer to shown in Fig. 1 to Fig. 4.A kind of engineering dump truck of the present utility model rear portion protective device, protective device is installed on the S. A. 9 that self-discharging carriage assembly 8 is connected with chassis side rail assembly 6, and the crossbeam 1 of two longeron one end connection protecting devices of protective device, the other end is connected on S. A. 9.
Longeron is box-like structure, is divided into longeron 3 and lower longeron 2 two parts, and lower longeron 2 connects with bearing pin in upper longeron 3 and between upper and lower longeron 2, on lower longeron 2, shears unit bolt nut 4 with several.
Protective device also comprises a Foldable hydraulic cylinder 7, and Foldable hydraulic cylinder 7 one end are connected with the bearing pin on S. A. 9, and the other end is connected with crossbeam 1.
While opening unloading oil circuit, because Foldable hydraulic cylinder 7 cross sections are much smaller than self-unloading hydraulic actuating cylinder, Foldable hydraulic cylinder 7 extends rapidly, and lower longeron 2, upper longeron 3 occur mutually mobile, and rear portion protective device rises rapidly, and self-unloading cargo box assembly 8 slowly rises; After discharged, close unloading oil circuit, self-unloading hydraulic actuating cylinder is shunk by container gravity effect, and after self-unloading cargo box assembly 8 falls, Foldable hydraulic cylinder 7 is shunk by the gravity of rear portion protective device, until lower longeron 2, upper longeron 3 can not move mutually.
When rear car knocks into the back with the vehicle that this device is installed, the shock that rear portion anti-collision beam 1 is subject to rear car moves to vehicle front, and Foldable hydraulic cylinder 7 continues to shorten, and lower longeron 2, upper longeron 3 occur mutually mobile, shear unit bolt nut 4 and cut off one by one, absorb rear-end impact energy.
The foregoing is only preferably example of the present invention; not thereby limit embodiments of the present invention and protection domain; to those skilled in the art; the scheme that being equal to of should recognizing that all utilizations specification sheets of the present invention and diagramatic content done replaces and apparent variation obtains, all should be included in protection scope of the present invention.
Claims (7)
1. an engineering dump truck rear portion protective device, it is characterized in that, described protective device is installed on the S. A. that self-discharging carriage assembly is connected with chassis side rail assembly, the crossbeam of two longeron one end connection protecting devices of described protective device, and the other end is connected on described S. A.;
Described longeron is box-like structure, is divided into longeron and lower longeron two parts, and described lower longeron connects with pin in longeron and between upper and lower longeron on described, on described lower longeron, shears unit bolt nut with several;
Described protective device also comprises a Foldable hydraulic cylinder, and described Foldable hydraulic cylinder one end is connected with the pivot pin on described S. A., and the other end is connected with described crossbeam.
2. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, described collision protection structure can rotate freely along with described dumper skip assembly under the effect of described Foldable hydraulic cylinder.
3. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, the shearing unit bolt nut being connected between described upper longeron and described lower longeron is cut off after clashing into one by one, absorbs the energy that clashes into collision.
4. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, described Foldable hydraulic cylinder can extend with self-unloading hydraulic actuating cylinder simultaneously, between described upper and lower longeron, is also elongated, and described protective device rises rapidly.
5. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, described each junction all connects with bearing pin.
6. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, described a kind of engineering dump truck rear portion protective device has several for subsequent use.
7. a kind of engineering dump truck rear portion protective device according to claim 1, is characterized in that, the hydraulic efficiency pressure system of Foldable hydraulic cylinder is with overflow device, after crossbeam is impacted, overflow device opens step by step, absorbs collision energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711836.3U CN203611912U (en) | 2013-11-12 | 2013-11-12 | Protection device for rear part of engineering self-dumping truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711836.3U CN203611912U (en) | 2013-11-12 | 2013-11-12 | Protection device for rear part of engineering self-dumping truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611912U true CN203611912U (en) | 2014-05-28 |
Family
ID=50764579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320711836.3U Expired - Fee Related CN203611912U (en) | 2013-11-12 | 2013-11-12 | Protection device for rear part of engineering self-dumping truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611912U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749756A (en) * | 2018-05-24 | 2018-11-06 | 湖北神久汽车用品有限公司 | Motor-driven vehicle protective device |
| CN109895721A (en) * | 2019-03-19 | 2019-06-18 | 东北林业大学 | Lorry rear-end device |
| CN110258400A (en) * | 2019-06-27 | 2019-09-20 | 徐州徐工环境技术有限公司 | A kind of sweeper with anticollision device, collision-prevention device |
-
2013
- 2013-11-12 CN CN201320711836.3U patent/CN203611912U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749756A (en) * | 2018-05-24 | 2018-11-06 | 湖北神久汽车用品有限公司 | Motor-driven vehicle protective device |
| CN108749756B (en) * | 2018-05-24 | 2023-11-03 | 湖北神久汽车用品有限公司 | Motor vehicle tail protector |
| CN109895721A (en) * | 2019-03-19 | 2019-06-18 | 东北林业大学 | Lorry rear-end device |
| CN109895721B (en) * | 2019-03-19 | 2020-02-11 | 东北林业大学 | Rear-end collision prevention device for truck |
| CN110258400A (en) * | 2019-06-27 | 2019-09-20 | 徐州徐工环境技术有限公司 | A kind of sweeper with anticollision device, collision-prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20181112 |