CN216038451U - Emergency rescue system of special elevator for automobile - Google Patents
Emergency rescue system of special elevator for automobile Download PDFInfo
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- CN216038451U CN216038451U CN202122572930.2U CN202122572930U CN216038451U CN 216038451 U CN216038451 U CN 216038451U CN 202122572930 U CN202122572930 U CN 202122572930U CN 216038451 U CN216038451 U CN 216038451U
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- electromagnetic directional
- directional valve
- hydraulic oil
- oil
- valve
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Abstract
The utility model relates to an emergency rescue system of a special elevator for an automobile, which relates to the field of the special elevator for the automobile, is connected between a hydraulic oil tank and a hydraulic oil cylinder, and comprises an electric drive pump, a manual pump and an electromagnetic reversing valve; oil inlets of the electric drive pump and the manual pump are connected with a hydraulic oil tank through pipelines, and oil outlets of the electric drive pump and the manual pump are connected with a high-pressure oil port of the electromagnetic directional valve through a pipeline; an oil return port of the electromagnetic directional valve is connected with a hydraulic oil tank through a pipeline, and an oil outlet of the electromagnetic directional valve is connected with a hydraulic oil cylinder through a pipeline. The utility model has the effects of improving the rescue efficiency and ensuring the personnel safety.
Description
Technical Field
The utility model relates to the field of special elevators for automobiles, in particular to an emergency rescue system of a special elevator for an automobile.
Background
When a hydraulic system of a hydraulic-driven elevator special for a passenger-vehicle-shared automobile breaks down, the elevator needs to be moved to a safe position for rescue in order to ensure the safety of personnel.
At present, a mode of integrating a manual pump in an original hydraulic system is mostly adopted, however, the mode can only drive a special elevator for an automobile to slowly lift, and the rescue efficiency is low. If the original hydraulic system has faults such as pipeline blockage, the normal function of the manual pump can be influenced, and the rescue purpose cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the utility model provides an emergency rescue system of a special elevator for an automobile, which can quickly lift or lower the special elevator for the automobile to a safe position, improve rescue efficiency and ensure personnel safety.
In order to achieve the aim, the utility model provides an emergency rescue system of a special elevator for an automobile, which is connected between a hydraulic oil tank and a hydraulic oil cylinder and comprises an electric drive pump, a manual pump and an electromagnetic directional valve; oil inlets of the electric drive pump and the manual pump are connected with the hydraulic oil tank through pipelines, and oil outlets of the electric drive pump and the manual pump are connected with high-pressure oil ports of the electromagnetic directional valve through pipelines; the oil return port of the electromagnetic reversing valve is connected with the hydraulic oil tank through a pipeline, and the oil outlet of the electromagnetic reversing valve is connected with the hydraulic oil cylinder through a pipeline.
Preferably, an adjustable throttle valve is connected between an oil return port of the electromagnetic directional valve and the hydraulic oil tank.
Preferably, the electrically driven pump is a gear pump, and the gear pump is in transmission connection with a motor.
Preferably, the motor is electrically connected with a storage battery or a lithium battery.
Preferably, the electromagnetic directional valve is a three-position four-way electromagnetic directional valve.
Preferably, the hydraulic oil tank further comprises a safety valve, an oil inlet of the safety valve is connected with a high-pressure oil port of the electromagnetic directional valve through a pipeline, and an oil outlet of the safety valve is connected with the hydraulic oil tank through a pipeline.
Preferably, an oil outlet of the electromagnetic directional valve is connected with a quick connector used for connecting the hydraulic oil cylinder.
In summary, the utility model has the following beneficial technical effects:
the utility model can quickly lift or lower the special elevator for the automobile to a safe position, improve the rescue efficiency and ensure the safety of personnel
Drawings
FIG. 1 is a schematic view of the present invention when connected to a hydraulic ram.
Reference numerals: 1. a gear pump; 2. a manual pump; 3. an electromagnetic directional valve; 4. an adjustable throttle valve; 5. a safety valve; 6. a quick coupling; 7. a hydraulic cylinder; 8. a car.
Detailed Description
The present invention is described in further detail below with reference to fig. 1.
The embodiment of the utility model discloses an emergency rescue system of a special elevator for an automobile.
The utility model comprises an electric driving device, a manual operating device, a control device, a safety device and a connecting device.
The electric driving device is used for providing an electric driving mode to control the hydraulic oil cylinder 7 to ascend rapidly and comprises a battery, a motor and the gear pump 1. The battery is electrically connected with the motor to provide power for the motor, and a lithium battery or a storage battery can be adopted; the motor is connected with the gear pump 1 in a transmission way and drives the gear pump 1 to output high-pressure oil.
The manual device is used for providing a manual driving mode to control the hydraulic oil cylinder 7 to ascend slowly and comprises a manual pump 2.
The control device is used for switching a hydraulic oil loop and further controlling the hydraulic oil cylinder 7 to ascend or descend and comprises an electromagnetic directional valve 3 and an adjustable throttle valve 4, wherein the electromagnetic directional valve 3 is a three-position four-way electromagnetic directional valve.
The safety device, which is used to protect the hydraulic circuit against accidental overloads, comprises a safety valve 5.
The connecting device is used for realizing the quick connection of the rescue system and the hydraulic oil cylinder and comprises a quick connector 6.
An oil inlet of the manual pump 2 and an oil inlet of the gear pump 1 are connected with a hydraulic oil tank through pipelines; an oil outlet of the manual pump 2, an oil outlet of the gear pump 1 and an oil inlet of the safety valve 5 are connected with a high-pressure oil port of the electromagnetic directional valve 3 through pipelines; an oil outlet of the electromagnetic directional valve 3 is connected with a hydraulic oil cylinder through a pipeline and a quick connector 6; an oil return port of the electromagnetic directional valve 3 is connected with an oil inlet of the adjustable throttle valve 4 through a pipeline; an oil outlet of the adjustable throttle valve 4 and an oil outlet of the safety valve 5 are connected with a hydraulic oil tank through pipelines.
When the special elevator for the automobile is controlled to ascend, the using method of the utility model comprises the following steps:
and adjusting the valve port of the adjustable throttle valve 4 to the maximum, starting the electric drive device, and switching the electromagnetic directional valve 3 to the left position to drive the hydraulic oil cylinder 7 to lift, so that the special lifter for the automobile can quickly lift.
When the special lifter for the automobile rises to the position close to the required position, the electromagnetic directional valve 3 is switched to the middle position, the electric driving device is stopped, and the hydraulic oil cylinder 7 is stopped at the moment.
If fine adjustment is needed for ascending, the electromagnetic directional valve 3 is switched to the left position, and the hydraulic oil cylinder 7 is driven by the manual pump 2 to slowly ascend to a needed position; and after the required position is reached, the electromagnetic directional valve 3 is switched to a middle position, and the system work is finished.
If fine adjustment is needed to descend, the valve port of the adjustable throttle valve 4 is adjusted to be minimum, the electromagnetic directional valve 3 is switched to the right position, and the hydraulic oil cylinder 7 is slowly descended to the needed position; and after the required position is reached, the electromagnetic directional valve 3 is switched to a middle position, and the system work is finished.
When the special elevator for the automobile is controlled to descend, the using method of the utility model is as follows:
the valve port of the adjustable throttle valve 4 is adjusted to be minimum, the electromagnetic directional valve 3 is switched to the right position, the hydraulic oil cylinder 7 is lowered, and the special lifter for the automobile is lowered at a low speed.
According to the required speed, the size of the valve port of the adjustable throttle valve 4 is adjusted, and the descending speed is controlled until the position is close to the required position; and after the required position is reached, the electromagnetic directional valve 3 is switched to a middle position, and the hydraulic oil cylinder 7 is stopped.
If fine adjustment is needed to be carried out, the electromagnetic directional valve 3 is switched to the left position, and the manual pump 2 drives the hydraulic oil cylinder 7 to slowly ascend to a needed position; and after the required position is reached, the electromagnetic directional valve 3 is switched to a middle position, and the system operation is finished.
If fine adjustment is needed to descend, the valve port of the adjustable throttle valve 4 is adjusted to be minimum, the electromagnetic directional valve 3 is switched to the right position, and the hydraulic oil cylinder 7 descends to a required position at a slow speed; and after the required position is reached, the electromagnetic directional valve 3 is switched to a middle position, and the system operation is finished.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present invention.
Claims (7)
1. Emergency rescue system of special lift of car connects between hydraulic tank and hydraulic cylinder (7), its characterized in that: comprises an electric drive pump, a manual pump (2) and an electromagnetic directional valve (3);
oil inlets of the electric drive pump and the manual pump (2) are connected with the hydraulic oil tank through pipelines, and oil outlets of the electric drive pump and the manual pump (2) are connected with a high-pressure oil port of the electromagnetic directional valve (3) through a pipeline;
an oil return port of the electromagnetic directional valve (3) is connected with the hydraulic oil tank through a pipeline, and an oil outlet of the electromagnetic directional valve (3) is connected with the hydraulic oil cylinder (7) through a pipeline.
2. The emergency rescue system of the lifter for automobile use according to claim 1, wherein: an adjustable throttle valve (4) is connected between an oil return port of the electromagnetic directional valve (3) and the hydraulic oil tank.
3. The emergency rescue system of the lifter for automobile use according to claim 1, wherein: the electric drive pump is a gear pump (1), and the gear pump (1) is in transmission connection with a motor.
4. The emergency rescue system of the lifter for automobile use according to claim 3, wherein: the motor is electrically connected with a storage battery or a lithium battery.
5. The emergency rescue system of the lifter for automobile use according to claim 1, wherein: the electromagnetic directional valve (3) is a three-position four-way electromagnetic directional valve.
6. The emergency rescue system of the lifter for automobile use according to claim 1, wherein: the oil inlet of the safety valve (5) is connected with the high-pressure oil port of the electromagnetic reversing valve (3) through a pipeline, and the oil outlet of the safety valve (5) is connected with the hydraulic oil tank through a pipeline.
7. The emergency rescue system of the lifter for automobile use according to claim 1, wherein: an oil outlet of the electromagnetic directional valve (3) is connected with a quick connector (6) used for being connected with the hydraulic oil cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572930.2U CN216038451U (en) | 2021-10-25 | 2021-10-25 | Emergency rescue system of special elevator for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572930.2U CN216038451U (en) | 2021-10-25 | 2021-10-25 | Emergency rescue system of special elevator for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216038451U true CN216038451U (en) | 2022-03-15 |
Family
ID=80611149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122572930.2U Active CN216038451U (en) | 2021-10-25 | 2021-10-25 | Emergency rescue system of special elevator for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216038451U (en) |
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2021
- 2021-10-25 CN CN202122572930.2U patent/CN216038451U/en active Active
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