CN214929563U - Pneumatic foldable side protection of dump truck - Google Patents
Pneumatic foldable side protection of dump truck Download PDFInfo
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- CN214929563U CN214929563U CN202121268341.9U CN202121268341U CN214929563U CN 214929563 U CN214929563 U CN 214929563U CN 202121268341 U CN202121268341 U CN 202121268341U CN 214929563 U CN214929563 U CN 214929563U
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- guardrail
- side protection
- pneumatic
- dump truck
- frame
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Abstract
The utility model discloses a pneumatic foldable side protection of a dump truck, which comprises a side protection body, wherein the side protection body is provided with two ends which are respectively fixed on an auxiliary frame, the two side protection bodies are also respectively provided with two cylinder assemblies for controlling the height of the side protection body above the ground, the bottom of the dump truck is provided with a chassis crossbeam, on the basis of the original side protection body, a lower guardrail transverse frame is added, the height of the guardrail above the ground is reduced, the protection capability is improved, the width of the guardrail is also increased, the protection capability for pedestrians and other vehicles is effectively increased, the two sections of guardrails are connected by hinges, the lower guardrail can be folded, the passing capability of the vehicle under bad road conditions is improved, the pressure maintaining function is realized by a solenoid valve under the state that the guardrail is folded or put down, the gas circuit is prevented from being accidentally damaged to generate bad influence on the vehicle, and the folding and unfolding of the guardrail can be directly controlled in a cab, convenient and fast, and pneumatic folding, the guardrail action is rapid.
Description
Technical Field
The utility model belongs to the technical field of the tipper side protection is relevant, concretely relates to pneumatic collapsible side protection of tipper.
Background
In order to protect pedestrians and other vehicles and prevent the pedestrians and the vehicles from being rolled into the bottom of a vehicle, the dump truck is required to be provided with a side protection device, the height of the side protection device from the ground is not more than 550mm according to the national standard, the dump truck usually operates on rugged road conditions, the side protection distance is relatively high for ensuring the trafficability of the vehicles, and potential safety hazards still exist on the pedestrians and the other vehicles when the dump truck runs on flat road conditions such as a road and the like, so that the height-adjustable side protection device is invented to improve the running safety of the vehicles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic collapsible side protection of tipper to the problem of potential safety hazard still exists to pedestrian and other vehicles when going under the flat road conditions such as highway is proposed in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the pneumatic foldable side protection device of the dump truck comprises an auxiliary frame and side protection devices, wherein the side protection devices are provided with two ends which are respectively fixed on the auxiliary frame, the side protection devices are provided with two air cylinder assemblies used for controlling the height of the side protection device from the ground, the bottom of the dump truck is provided with a chassis girder, the chassis girder is provided with an air tank used for providing air for the air cylinder assemblies, the chassis girder is further provided with a three-position five-way electromagnetic valve used for controlling the air tank, the inside of a cab of the dump truck is provided with a control switch used for controlling the three-position five-way electromagnetic valve, the control switch and the three-position five-way electromagnetic valve are connected through a circuit assembly, and the air tank, the three-position five-way electromagnetic valve and the air cylinder assemblies are all connected through air pipes.
Preferably, the side protection comprises an upper guardrail cross frame and a lower guardrail cross frame, the guardrail supporting legs are fixed at one end of the auxiliary frame, the upper guardrail cross frame is fixed on the guardrail supporting legs, and the upper guardrail cross frame and the lower guardrail cross frame are rotatably connected through connecting hinges.
Preferably, the upper guardrail cross frame and the auxiliary frame are fixedly connected through guardrail supports.
Preferably, the cylinder assembly comprises a cylinder and a piston rod, the piston rod is arranged in the cylinder, and the other end of the piston rod is fixed on the lower guardrail transverse frame.
Preferably, the cylinder assembly is inclined downwards and arranged on the guardrail supporting leg.
Compared with the prior dump truck side protection device technology, the utility model provides a pneumatic collapsible side protection of tipper possesses following beneficial effect:
1. the utility model discloses dump truck side protector increases hypomere guardrail horizontal frame on the basis of original side protection, reduces guardrail terrain clearance, improves protective capacities, also increases the guardrail width simultaneously, has effectively increased the protective capacities to pedestrian and other vehicles.
2. Two sections of guardrails are connected through hinges, and the lower section guardrail can be folded, so that the passing capacity of the vehicle under severe road conditions is improved.
3. The pressure maintaining function is realized by means of the electromagnetic valve in the state that the guardrail is folded or put down, and the gas circuit is prevented from being accidentally damaged to cause adverse effects on the vehicle.
4. The retraction and release of the guardrail can be directly controlled in the cab, the operation is convenient and fast, the guardrail is pneumatically folded, and the action of the guardrail is rapid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a pneumatic foldable side protection three-dimensional structure of the dump truck of the present invention;
fig. 2 is a schematic view of a pneumatic folding side protection structure provided by the present invention;
fig. 3 is a schematic structural view of a pneumatic folding control system provided by the present invention;
in the figure: 11. a chassis girder; 2. an auxiliary frame; 3. the upper section guardrail transverse frame; 4. a guardrail leg; 5. connecting a hinge; 6. a lower section guardrail transverse frame; 7. a cylinder assembly; 8. a control switch; 9. a circuit assembly; 10. side protection; 11. an air tube; 12. a gas tank; 13. three-position five-way electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: pneumatic collapsible side protection of tipper, including sub vehicle frame 2 and side protection 10, side protection 10 is provided with two altogether and is fixed in the both ends of sub vehicle frame 2 respectively, still be provided with two cylinder assemblies 7 that are used for controlling side protection 10 terrain clearance on two side protections 10 respectively, the bottom of tipper is provided with chassis girder 1, be provided with on the chassis girder 1 and be used for providing gaseous gas pitcher 12 to cylinder assembly 7, still be provided with the tribit five-way solenoid valve 13 that is used for controlling gas pitcher 12 on the chassis girder 1, the inside of tipper driver's cabin is provided with the control switch 8 that is used for controlling tribit five-way solenoid valve 13, control switch 8 and tribit five-way solenoid valve 13 pass through circuit assembly 9 and connect, gas pitcher 12, tribit five-way solenoid valve 13 and cylinder assembly 7 all connect through trachea 11.
The side protection 10 comprises an upper guardrail transverse frame 3 and a lower guardrail transverse frame 6, guardrail supporting legs 4 are fixed at one end of the auxiliary frame 2, the upper guardrail transverse frame 3 is fixed on the guardrail supporting legs 4, the upper guardrail transverse frame 3 and the lower guardrail transverse frame 6 are rotatably connected through connecting hinges 5, the side protection 10 adopts a two-section structure, the width of the side protection 10 is increased, the hinges are connected between two sections, and the folding of the lower side protection 10 is realized through two cylinders.
The upper guardrail cross frame 3 and the auxiliary frame 2 are fixedly connected through the guardrail supporting legs 4, so that the dumper runs and is protected by the operation side 10, and the lower half section of the upper guardrail cross frame 3 is fixed through the guardrail supporting legs 4, so that the dumper is more stable.
The cylinder assembly 7 comprises a cylinder and a piston rod, the piston rod is arranged in the cylinder, the other end of the piston rod is fixed on the lower section guardrail transverse frame 6, the lower section of the side protection 10 adopts a foldable structure, and the trafficability characteristic of the vehicle in operation under severe road conditions is guaranteed.
The cylinder assembly 7 slopes down and sets up on guardrail landing leg 4, and the side protection 10 is folding to use the cylinder as power, but the convenient operation driver operation in the driver's cabin, and is high-efficient swift.
The utility model discloses a theory of operation and use flow: after the side protection device of the dump truck is installed, the side protection 10 adopts a two-section structure, the width of the side protection 10 is increased, the two sections are connected through hinges, folding of the lower section side protection 10 is realized through two cylinders, on the basis of the original side protection 10, the lower section guardrail transverse frame 6 is added, the height of the guardrail from the ground is reduced, the protection capability is improved, when the road condition is poor, the control switch 8 in the cab of the dump truck is opened, so that the three-position five-way electromagnetic valve 13 controls the gas tank 12, the gas tank 12 can provide high-pressure air for the four cylinder assemblies 7, and further the gas tank drives the lower section guardrail transverse frame 6 to be turned inwards, the trafficability of the vehicle in operation under severe road condition is ensured, the side protection 10 realizes automatic folding of the lower section guardrail by taking the gas source of the vehicle as power, pneumatic folding has the characteristic of rapid action, and the driver can directly control the folding and unfolding of the guardrail in the cab according to different road conditions, reduce driver's work load, convenient and fast improves work efficiency, when improving guardrail protective capacities, guarantees that the vehicle trafficability characteristic is not influenced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The pneumatic foldable side protection of the dumper comprises an auxiliary frame (2) and side protection (10), and is characterized in that: the side guards (10) are provided with two side guards which are respectively fixed at two ends of the auxiliary frame (2), the two side guards (10) are also respectively provided with two cylinder assemblies (7) used for controlling the height of the side guard (10) above the ground, the bottom of the self-discharging vehicle is provided with a chassis girder (1), the chassis girder (1) is provided with a gas tank (12) for providing gas for a gas cylinder assembly (7), a three-position five-way electromagnetic valve (13) for controlling the gas tank (12) is also arranged on the chassis girder (1), a control switch (8) for controlling a three-position five-way electromagnetic valve (13) is arranged in the cab of the dump truck, the control switch (8) is connected with the three-position five-way electromagnetic valve (13) through a circuit assembly (9), the air tank (12), the three-position five-way electromagnetic valve (13) and the air tank assembly (7) are connected through an air pipe (11).
2. The pneumatic foldable side guard of a dump truck according to claim 1, characterized in that: the side protection device (10) comprises an upper guardrail transverse frame (3) and a lower guardrail transverse frame (6), guardrail supporting legs (4) are fixed at one end of the auxiliary frame (2), the upper guardrail transverse frame (3) is fixed on the guardrail supporting legs (4), and the upper guardrail transverse frame (3) and the lower guardrail transverse frame (6) are rotatably connected through connecting hinges (5).
3. The pneumatic foldable side guard of a dump truck according to claim 2, characterized in that: the upper guardrail cross frame (3) and the auxiliary frame (2) are fixedly connected through guardrail supporting legs (4).
4. The pneumatic foldable side guard of a dump truck according to claim 2, characterized in that: the air cylinder assembly (7) comprises an air cylinder and a piston rod, the piston rod is arranged inside the air cylinder, and the other end of the piston rod is fixed on the lower section guardrail transverse frame (6).
5. The pneumatic foldable side guard of a dump truck according to claim 1, characterized in that: the cylinder assembly (7) inclines downwards and is arranged on the guardrail supporting leg (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268341.9U CN214929563U (en) | 2021-06-08 | 2021-06-08 | Pneumatic foldable side protection of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268341.9U CN214929563U (en) | 2021-06-08 | 2021-06-08 | Pneumatic foldable side protection of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214929563U true CN214929563U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268341.9U Active CN214929563U (en) | 2021-06-08 | 2021-06-08 | Pneumatic foldable side protection of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214929563U (en) |
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2021
- 2021-06-08 CN CN202121268341.9U patent/CN214929563U/en active Active
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