CN204674433U - The hoisting system of dumping car - Google Patents
The hoisting system of dumping car Download PDFInfo
- Publication number
- CN204674433U CN204674433U CN201520410659.4U CN201520410659U CN204674433U CN 204674433 U CN204674433 U CN 204674433U CN 201520410659 U CN201520410659 U CN 201520410659U CN 204674433 U CN204674433 U CN 204674433U
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- connects
- feed opening
- power takeoff
- hoisting system
- dumping car
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Abstract
The utility model discloses a kind of hoisting system of dumping car, comprise control unit, driver element and lift unit, described driver element comprises power takeoff and source of the gas, described source of the gas connects the input end of power takeoff by gas circuit, described control unit is connected in described gas circuit, for controlling path and the open circuit of gas circuit; Described lift unit comprises hydraulic reservoir, gear type pump, load lifting cylinder and three-position four-way valve, the power intake of described gear type pump connects described power takeoff, the input end of described gear type pump connects the first feed opening of described three-position four-way valve, second outlet opening corresponding with described first feed opening connects the input end of described load lifting cylinder, the mouth of described load lifting cylinder connects the second feed opening of described three-position four-way valve, and second outlet opening corresponding with described second feed opening connects described hydraulic reservoir.The hoisting system of the dumping car that the utility model provides, structure is simple, practical and reliable, economy, safety.
Description
Technical field
The utility model relates to field of automobile, particularly relates to a kind of hoisting system of dumping car.
Background technology
Current container of engineering dump truck lifting control system has the mode of three kinds of liftings, first is mechanical type hydraulic lifting, the second is electric-controlled hydraulic lifting, the third is Pneumatic and hydraulic lifting, and wherein the advantage of the first and the second is that structure is simple, installation pipeline is few, it is easy to keep in repair, but it easily causes from lifting and container declines by deadweight, descending speed is uncontrollable, impulsive force is large, the standby pressure of oil return is too high in addition, and the standby pressure of too high system by empty container jack-up, easily may cause safety misadventure; And the Pneumatic valve cost of the third Pneumatic and hydraulic lifting compared with high, pilot piping need complicated to operator's compartment installation pipeline through chassis, maintenance difficulty is large.In addition, existing lifting warning circuit many employings stroke proximity switch, reports to the police inaccurate due to the severe travel switch of engineering truck operating environment or lost efficacy.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of hoisting system that is safer, more failure-free dumping car.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the hoisting system providing a kind of dumping car, comprises control unit, driver element and lift unit;
Described driver element comprises power takeoff and source of the gas, and described source of the gas connects the input end of power takeoff by gas circuit, and described control unit is connected in described gas circuit, for controlling path and the open circuit of gas circuit;
Described lift unit comprises hydraulic reservoir, gear type pump, load lifting cylinder and three-position four-way valve, the power intake of described gear type pump connects described power takeoff, the input end of described gear type pump connects the first feed opening of described three-position four-way valve, second outlet opening corresponding with described first feed opening connects the input end of described load lifting cylinder, the mouth of described load lifting cylinder connects the second feed opening of described three-position four-way valve, and second outlet opening corresponding with described second feed opening connects described hydraulic reservoir.
Further, described control unit comprises control circuit and buzzer phone, and described buzzer phone is electrically connected in described control circuit.
Further, described control unit comprises switch and power takeoff electromagnetic valve, and described power takeoff electromagnetic valve is connected in described gas circuit.
Further, described switch is rocker switch.
Further, described first feed opening and the 4th, between outlet opening and hydraulic reservoir, oil circuit is connected with limit valve.
The beneficial effects of the utility model are: the hoisting system of the utility model dumping car, the break-make of driver element work gas circuit is realized by control unit, the output realizing the power of driver element with this makes its pinion pump finally to realize the elevating control of load lifting cylinder, the mode that the utility model adopts control unit to combine with gas circuit, makes the hoisting system of this dumping car safer, more reliable.
Accompanying drawing explanation
Fig. 1 is the automatically controlled Gas fluid pressure hoisting system schematic diagram of the utility model embodiment.
Label declaration:
1, control unit; 11, buzzer phone; 12, switch; 13, power takeoff electromagnetic valve; 2, driver element; 21, source of the gas; 22, power takeoff; 23, motor; 3, lift unit; 31, hydraulic reservoir; 32, gear type pump; 33, load lifting cylinder; 34, three-position four-way valve; 35, limit valve.
Detailed description of the invention
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The design of the utility model most critical is: the utility model comprises control unit 1, driver element 2 and lift unit 3, control unit 1 controls the break-make of the gas circuit of driver element 2, driver element 2 provides power for lift unit 3, and the hoisting system of the utility model dumping car is safer, more reliable.
Refer to Fig. 1, the hoisting system of the present embodiment dumping car, comprise control unit 1, driver element 2 and lift unit 3;
Described driver element 2 comprises power takeoff 22 and source of the gas 21, and described source of the gas 21 connects the input end of power takeoff 22 by gas circuit, and power takeoff 22 also connects motor 23, and described control unit 1 is connected in described gas circuit, for controlling path and the open circuit of gas circuit;
Described lift unit 3 comprises hydraulic reservoir 31, gear type pump 32, load lifting cylinder 33 and three-position four-way valve 34, the power intake of described gear type pump 32 connects described power takeoff 22, the input end of described gear type pump 32 connects the first feed opening of described three-position four-way valve, second outlet opening corresponding with described first feed opening connects the input end of described load lifting cylinder 33, the mouth of described load lifting cylinder 33 connects the second feed opening of described three-position four-way valve, and second outlet opening corresponding with described second feed opening connects described hydraulic reservoir 31.
From foregoing description, the beneficial effects of the utility model are: the hoisting system of the utility model dumping car, realize driver element 2 by control unit 1 to work the break-make of gas circuit, the output realizing the power of driver element 2 with this makes its pinion pump 32 finally to realize the elevating control of load lifting cylinder 33, the mode that the utility model adopts control unit 1 to combine with gas circuit, makes the hoisting system of this dumping car safer, more reliable.In addition, as shown in the figure, in the present embodiment lift unit 3, three-position four-way valve 34 comprises middle off-position and puts, and middle off-position is setting in centre portion, and left side correspondence rises and the right correspondence declines.
Further, described control unit 1 comprises control circuit and buzzer phone 11, and described buzzer phone 11 is electrically connected in described control circuit.
Seen from the above description, can also install Warning light in the present embodiment, Warning light can be installed on to remind chaufeur in bridge instrumentation, and buzzer phone 11 then can be installed on the chassis of vehicle to remind the outer personnel of car.
Further, described control unit 1 comprises switch 12 and power takeoff electromagnetic valve 13, and described power takeoff electromagnetic valve 13 is connected in described gas circuit.
Seen from the above description, the present embodiment realizes rising or the decline of hydraulic pressure lifting oil cylinder by switch 12 Controlling solenoid valve adhesive or disconnection with the path or open circuit that control the work gas circuit of power takeoff 22.
Further, described switch 12 is rocker switch.
Further, described first feed opening and between the 4th outlet opening and hydraulic reservoir 31, oil circuit is connected with limit valve 35.
Seen from the above description, when load lifting cylinder 33 overload, the oil pumped by gear type pump 32 can flow into hydraulic reservoir 31 again by this limit valve 35, and this structure can available protecting lift unit 3.
Please refer to Fig. 1, embodiment one of the present utility model is: the hoisting system of the present embodiment dumping car, comprises control unit 1, driver element 2 and lift unit 3;
Described driver element 2 comprises power takeoff 22 and source of the gas 21, and described source of the gas 21 connects the input end of power takeoff 22 by gas circuit, and described control unit 1 is connected in described gas circuit, for controlling path and the open circuit of gas circuit;
Described lift unit 3 comprises hydraulic reservoir 31, gear type pump 32, load lifting cylinder 33 and three-position four-way valve 34, the power intake of described gear type pump 32 connects described power takeoff 22, the input end of described gear type pump 32 connects the first feed opening of described three-position four-way valve, second outlet opening corresponding with described first feed opening connects the input end of described load lifting cylinder 33, the mouth of described load lifting cylinder 33 connects the second feed opening of described three-position four-way valve, second outlet opening corresponding with described second feed opening connects described hydraulic reservoir 31, described first feed opening and between the 4th outlet opening and hydraulic reservoir 31, oil circuit is connected with limit valve 35,
Described control unit 1 comprises control circuit, buzzer phone 11, rocker switch and power takeoff electromagnetic valve 13, and described buzzer phone 11 is electrically connected in described control circuit, and described power takeoff electromagnetic valve 13 is connected in described gas circuit.
In sum, the hoisting system of the dumping car that the utility model provides, structure is simple, practical and reliable, economy, safety.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a hoisting system for dumping car, comprises control unit, driver element and lift unit,
It is characterized in that,
Described driver element comprises power takeoff and source of the gas, and described source of the gas connects the input end of power takeoff by gas circuit, and described control unit is connected in described gas circuit, for controlling path and the open circuit of gas circuit;
Described lift unit comprises hydraulic reservoir, gear type pump, load lifting cylinder and three-position four-way valve, the power intake of described gear type pump connects described power takeoff, the input end of described gear type pump connects the first feed opening of described three-position four-way valve, second outlet opening corresponding with described first feed opening connects the input end of described load lifting cylinder, the mouth of described load lifting cylinder connects the second feed opening of described three-position four-way valve, and second outlet opening corresponding with described second feed opening connects described hydraulic reservoir.
2. the hoisting system of dumping car according to claim 1, is characterized in that, described control unit comprises control circuit and buzzer phone, and described buzzer phone is electrically connected in described control circuit.
3. the hoisting system of dumping car according to claim 1, is characterized in that, described control unit comprises switch and power takeoff electromagnetic valve, and described power takeoff electromagnetic valve is connected in described gas circuit.
4. the hoisting system of dumping car according to claim 3, is characterized in that, described switch is rocker switch.
5. the hoisting system of dumping car according to claim 1, is characterized in that, described first feed opening and the 4th, between outlet opening and hydraulic reservoir, oil circuit is connected with limit valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410659.4U CN204674433U (en) | 2015-06-15 | 2015-06-15 | The hoisting system of dumping car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410659.4U CN204674433U (en) | 2015-06-15 | 2015-06-15 | The hoisting system of dumping car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204674433U true CN204674433U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520410659.4U Active CN204674433U (en) | 2015-06-15 | 2015-06-15 | The hoisting system of dumping car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204674433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254323A (en) * | 2019-06-27 | 2019-09-20 | 袁菊花 | The lifting device of dumper |
| CN114572088A (en) * | 2020-11-30 | 2022-06-03 | 陕西重型汽车有限公司 | Anti-collision system for lifting container of dump truck |
-
2015
- 2015-06-15 CN CN201520410659.4U patent/CN204674433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254323A (en) * | 2019-06-27 | 2019-09-20 | 袁菊花 | The lifting device of dumper |
| CN114572088A (en) * | 2020-11-30 | 2022-06-03 | 陕西重型汽车有限公司 | Anti-collision system for lifting container of dump truck |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |