CN205592208U - Automobile elevator control system - Google Patents
Automobile elevator control system Download PDFInfo
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- CN205592208U CN205592208U CN201620350894.1U CN201620350894U CN205592208U CN 205592208 U CN205592208 U CN 205592208U CN 201620350894 U CN201620350894 U CN 201620350894U CN 205592208 U CN205592208 U CN 205592208U
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- valve
- pipeline
- hydraulic pump
- fuel tank
- hydraulic cylinder
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Abstract
The utility model discloses an automobile elevator control system, the utility model discloses an oil tank, the oil tank passes through the pipeline and is connected with first switching -over valve, be equipped with first hydraulic pump on the pipeline of oil tank upside, first switching -over valve is connected through an interface management way back and second switching -over valve, second switching -over valve is connected after saying with the interface management of first pneumatic cylinder one end, first switching -over valve is connected with one -way throttle valve through another interface, single -phase choke valve passes through the interface connection of the pipeline and the first pneumatic cylinder other end, second switching -over valve passes through the pipe connection with one -way throttle valve, the utility model discloses a design of second hydraulic pump cooperation second pneumatic cylinder can fully cooperate first hydraulic pump and first pneumatic cylinder to lift the in -process of platform in the lift, provides sufficient hydraulic pressure auxiliary acting force to operate through the piston of first hydraulic pump in the in -process of oil return makes the second hydraulic pump, can connect outside electricity generation energy storage equipment and effectively utilize.
Description
Technical field
This utility model relates to automobile hydraulic and controls technical field, is specially a kind of car lift control system.
Background technology
Along with the development of automobile industry, auto repair and maintenance are increasingly becoming an emerging industry.Wherein lifting machine is as the important tool in auto repair and servicing operations, have also been obtained and develops faster.Automobile is mainly brought up to another safe altitude from a safe altitude by lifting machine, in order to manual operation and maintenance.Lifting machine has a lot of type at present, can be divided into machine driving and hydraulic drive according to the kind of drive.Mechanical transmission structure is simple, low price, but lifting weight is restricted, and is susceptible to screw mandrel or work nut slide fastener, there is bigger potential safety hazard.And hydraulic drive lifting machine security performance is good, operate steadily, easy to maintenance and work efficiency is high, it it is the mainstream type of current lifting machine transmission use.Hydraulic cylinder is because of job demand usually slow down, or accelerates to advance, and the Hydraulic Power Transmission System of current lifting machine generally uses variable pump, realizes slowing down or accelerating by changing the flow of hydraulic pump, but selects flow pump that cost can be greatly improved；It addition, existing lifting machine pressure can not realize different stage regulation, and the pressure in hydraulic system also cannot obtain effective monitoring, causes its working condition to be restricted.
Utility model content
The purpose of this utility model is to provide a kind of car lift control system, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme: include fuel tank；Described fuel tank is connected by pipeline and the first reversal valve；Pipeline on the upside of described fuel tank is provided with the first hydraulic pump；Described first reversal valve is connected with the second reversal valve after pipeline by an interface；The interface of described second reversal valve and first hydraulic cylinder one end connects after pipeline；Described first reversal valve is connected with one-way throttle valve by another interface；Described one-way throttle valve is connected by the interface of pipeline and the first hydraulic cylinder other end；Described second reversal valve is connected by pipeline with one-way throttle valve；Described first hydraulic cylinder is connected with the second hydraulic cylinder through internal piston mechanism；Described one of them interface of second hydraulic cylinder is connected with fuel tank after the second hydraulic pump by pipeline；Described another interface of second hydraulic cylinder is directly connected with fuel tank by after pipeline；Bypass line on the upside of described fuel tank is provided with pilot operated compound relief valve；Described pilot operated compound relief valve is connected with the first overflow valve and the second overflow valve by after the 3rd reversal valve.
Preferably, described first hydraulic pump and the second hydraulic pump are all double-acting vane pump.
Preferably, described first overflow valve and the second overflow valve are direct-acting overflow valve；The setting value of described first overflow valve and the second overflow valve is less than the setting value of pilot operated compound relief valve.
Preferably, the pipeline that described first reversal valve is connected with fuel tank is provided with check valve.
Preferably, the pipeline on the upside of described fuel tank is provided with the first pressure transducer；It is provided with the second pressure transducer in described first hydraulic cylinder；It is attached with velocity sensor on piston in described first hydraulic cylinder.
Preferably, described first hydraulic pump, the second hydraulic pump, the first pressure transducer, the second pressure transducer, velocity sensor via line are connected with controller.
Preferably, described controller includes signal transmitting and receiving module, data processing module, central authorities' adjustment module, display module and alarm module；Described signal transmitting and receiving module is connected with the first hydraulic pump, the second hydraulic pump, the first pressure transducer, the second pressure transducer, velocity sensor respectively outwardly through circuit；Described signal transmitting and receiving module is connected with display module after inwardly sequentially passing through data processing module, central authorities' adjustment module；Described alarm module is connected with central adjustment module.
Compared with prior art, the beneficial effects of the utility model are: 1, use the first pressure transducer, the second pressure sensor design, the critical pressure value of hydraulic system can be monitored out in real time, and reported to the police by the alarm module in controller, operator can be facilitated to check in signal detection display display module in the controller additionally by velocity sensor；2, the second hydraulic pump is used to coordinate the second cylinder design, can fully coordinate the first hydraulic pump and the first hydraulic cylinder during lifting lift master, enough hydraulic pressure assistance force are provided, and promote the piston in the second hydraulic pump to operate during oil return by the first hydraulic pump, outside electrification energy storage equipment can be connected and effectively utilize；3, the signal transmitting and receiving module design in controller is used, can carry out the signal of each sensor receiving and dispatching control, and signal is passed to data processing module, data processing module passes to central authorities' adjustment module after data being processed, judge according to default marginal value, and pass to alarm module in good time and make warning, additionally relevant data message can be presented on display module；4, use double-acting vane pump, compare gear pump flow more uniform, and smooth running, noise is little, and pressure and volumetric efficiency are higher than gear pump.
Accompanying drawing explanation
Fig. 1 is hydraulic control system flow chart of the present utility model；
Fig. 2 is controller internal process figure of the present utility model.
In figure: 1, fuel tank；2, the first reversal valve；3, the first hydraulic pump；4, the second reversal valve；5, the first hydraulic cylinder；6, one-way throttle valve；7, the second hydraulic cylinder；8, the second hydraulic pump；9, pilot operated compound relief valve；10, the 3rd reversal valve；11, the first overflow valve；12, the second overflow valve；13, check valve；14, the first pressure transducer；15, the second pressure transducer；16, velocity sensor；17, controller；18, signal transmitting and receiving module；19, data processing module；20, central authorities' adjustment module；21, display module；22, alarm module.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of car lift control system are provided, it is characterised in that: include fuel tank 1；Described fuel tank 1 is connected by pipeline and the first reversal valve 2；Pipeline on the upside of described fuel tank 1 is provided with the first hydraulic pump 3；Described first reversal valve 2 is connected with the second reversal valve 4 after pipeline by an interface；Described second reversal valve 4 is connected after pipeline with the interface of first hydraulic cylinder 5 one end；Described first reversal valve 2 is connected with one-way throttle valve 6 by another interface；Described one-way throttle valve 6 is connected by the interface of pipeline and first hydraulic cylinder 5 other end；Described second reversal valve 4 is connected by pipeline with one-way throttle valve 6；Described first hydraulic cylinder 5 is connected with the second hydraulic cylinder 7 through internal piston mechanism；Described second one of them interface of hydraulic cylinder 7 is connected with fuel tank 1 after the second hydraulic pump 8 by pipeline；Described second another interface of hydraulic cylinder 7 is directly connected with fuel tank 1 by after pipeline；Bypass line on the upside of described fuel tank 1 is provided with pilot operated compound relief valve 9；Described pilot operated compound relief valve 9 is connected with the first overflow valve 11 and the second overflow valve 12 by after the 3rd reversal valve 10；Described first hydraulic pump 3 and the second hydraulic pump 8 are all double-acting vane pump；Described first overflow valve 11 and the second overflow valve 12 are direct-acting overflow valve；The setting value of described first overflow valve 11 and the second overflow valve 12 is less than the setting value of pilot operated compound relief valve 9；The pipeline that described first reversal valve 2 is connected with fuel tank 1 is provided with check valve 13；Pipeline on the upside of described fuel tank 1 is provided with the first pressure transducer 14；It is provided with the second pressure transducer 15 in described first hydraulic cylinder 5；It is attached with velocity sensor 16 on piston in described first hydraulic cylinder 5；Described first hydraulic pump the 3, second hydraulic pump the 8, first pressure transducer the 14, second pressure transducer 15, velocity sensor 16 via line are connected with controller 17；Described controller 17 includes signal transmitting and receiving module 18, data processing module 19, central authorities' adjustment module 20, display module 21 and alarm module 22；Described signal transmitting and receiving module 18 is connected with first hydraulic pump the 3, second hydraulic pump the 8, first pressure transducer the 14, second pressure transducer 15, velocity sensor 16 respectively outwardly through circuit；Described signal transmitting and receiving module 18 is connected with display module 21 after inwardly sequentially passing through data processing module 19, central authorities' adjustment module 20；Described alarm module 22 is connected with central adjustment module 20.
This utility model is in the specific implementation, hydraulic oil is sucked and is pressed into from fuel tank 1 in hydraulic system by the first hydraulic pump 3, P mouth through the first reversal valve 2 enters the first reversal valve 2, by control the Y1 end of the first reversal valve 2 obtain electric make hydraulic oil by the first reversal valve 2 B mouth flow out, in one-way throttle valve 6 enters the chamber of the first hydraulic cylinder 5, so that hydraulic stem stretches out, the hydraulic oil in hydraulic stem rod chamber returns to fuel tank through the second reversal valve 4.
In hydraulic system, can meet, by the multistage regulation (coordinating the effect of the first overflow valve 11 and the second overflow valve 12) of system pressure, the pressure demand that lifting machine is different, strengthen practicality.
Under drive additionally by the second hydraulic pump 8, the reciprocating motion of the pistons in the second hydraulic cylinder 7 can be promoted to drive the first hydraulic cylinder 5, plays auxiliary cushioning effect, it is to avoid lifting process is due to accident that is sudden and that cause.
This utility model uses first pressure transducer the 14, second pressure transducer 15 to design, the critical pressure value of hydraulic system can be monitored out in real time, and reported to the police by the alarm module in controller 17, operator can be facilitated to check by signal detection and show on the display module 21 in controller 17 additionally by velocity sensor 16；The second hydraulic pump 8 is used to coordinate the second hydraulic cylinder 7 to design, can fully coordinate the first hydraulic pump 3 and the first hydraulic cylinder 5 during lifting lift master, enough hydraulic pressure assistance force are provided, and promote the piston in the second hydraulic pump 8 to operate during oil return by the first hydraulic pump 3, outside electrification energy storage equipment can be connected and effectively utilize；The signal transmitting and receiving module 18 in controller 17 is used to design, can carry out the signal of each sensor receiving and dispatching control, and signal is passed to data processing module 19, data processing module 19 passes to central authorities' adjustment module 20 after data being processed, judge according to default marginal value, and pass to alarm module 22 in good time and make warning, additionally relevant data message can be presented on display module 21.
Embodiment the most of the present utility model, for the ordinary skill in the art, being appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can carry out multiple change, revise, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a car lift control system, it is characterised in that: include fuel tank (1)；Described fuel tank (1) is connected by pipeline and the first reversal valve (2)；The pipeline of described fuel tank (1) upside is provided with the first hydraulic pump (3)；Described first reversal valve (2) is connected with the second reversal valve (4) after pipeline by an interface；Described second reversal valve (4) is connected after pipeline with the interface of the first hydraulic cylinder (5) one end；Described first reversal valve (2) is connected with one-way throttle valve (6) by another interface；Described one-way throttle valve (6) is connected by the interface of pipeline and the first hydraulic cylinder (5) other end；Described second reversal valve (4) is connected by pipeline with one-way throttle valve (6)；Described first hydraulic cylinder (5) is connected with the second hydraulic cylinder (7) through internal piston mechanism；Described one of them interface of second hydraulic cylinder (7) is connected with fuel tank (1) after the second hydraulic pump (8) by pipeline；Described another interface of second hydraulic cylinder (7) is directly connected with fuel tank (1) by after pipeline；The bypass line of described fuel tank (1) upside is provided with pilot operated compound relief valve (9)；Described pilot operated compound relief valve (9) is connected with the first overflow valve (11) and the second overflow valve (12) afterwards by the 3rd reversal valve (10).
A kind of car lift control system the most according to claim 1, it is characterised in that: described first hydraulic pump (3) and the second hydraulic pump (8) are all double-acting vane pump.
A kind of car lift control system the most according to claim 1, it is characterised in that: described first overflow valve (11) and the second overflow valve (12) are direct-acting overflow valve；The setting value of described first overflow valve (11) and the second overflow valve (12) is less than the setting value of pilot operated compound relief valve (9).
A kind of car lift control system the most according to claim 1, it is characterised in that: the pipeline that described first reversal valve (2) is connected with fuel tank (1) is provided with check valve (13).
5. according to a kind of car lift control system described in claim 2 or 4, it is characterised in that: the pipeline of described fuel tank (1) upside is provided with the first pressure transducer (14)；It is provided with the second pressure transducer (15) in described first hydraulic cylinder (5)；It is attached with velocity sensor (16) on piston in described first hydraulic cylinder (5).
A kind of car lift control system the most according to claim 5, it is characterised in that: described first hydraulic pump (3), the second hydraulic pump (8), the first pressure transducer (14), the second pressure transducer (15), velocity sensor (16) via line are connected with controller (17).
A kind of car lift control system the most according to claim 6, it is characterised in that: described controller (17) includes signal transmitting and receiving module (18), data processing module (19), central authorities' adjustment module (20), display module (21) and alarm module (22)；Described signal transmitting and receiving module (18) is connected with the first hydraulic pump (3), the second hydraulic pump (8), the first pressure transducer (14), the second pressure transducer (15), velocity sensor (16) respectively outwardly through circuit；Described signal transmitting and receiving module (18) inwardly sequentially passes through data processing module (19), central authorities' adjustment module (20) are connected with display module (21) afterwards；Described alarm module (22) is connected with central authorities' adjustment module (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350894.1U CN205592208U (en) | 2016-04-25 | 2016-04-25 | Automobile elevator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350894.1U CN205592208U (en) | 2016-04-25 | 2016-04-25 | Automobile elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592208U true CN205592208U (en) | 2016-09-21 |
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ID=56935650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620350894.1U Expired - Fee Related CN205592208U (en) | 2016-04-25 | 2016-04-25 | Automobile elevator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061420A (en) * | 2017-06-20 | 2017-08-18 | 合肥航机械科技股份有限公司 | A kind of balanced compensated control system of lifting machine and control method |
| CN107100916A (en) * | 2017-06-20 | 2017-08-29 | 合肥航机械科技股份有限公司 | A kind of lifting machine load control system |
| CN108757650A (en) * | 2018-06-29 | 2018-11-06 | 日照职业技术学院 | A kind of fluid pressure drive device and control method of construction machinery |
-
2016
- 2016-04-25 CN CN201620350894.1U patent/CN205592208U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061420A (en) * | 2017-06-20 | 2017-08-18 | 合肥航机械科技股份有限公司 | A kind of balanced compensated control system of lifting machine and control method |
| CN107100916A (en) * | 2017-06-20 | 2017-08-29 | 合肥航机械科技股份有限公司 | A kind of lifting machine load control system |
| CN107100916B (en) * | 2017-06-20 | 2018-09-11 | 合肥一航机械科技股份有限公司 | A kind of lifting machine load control system |
| CN108757650A (en) * | 2018-06-29 | 2018-11-06 | 日照职业技术学院 | A kind of fluid pressure drive device and control method of construction machinery |
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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 |
Granted publication date: 20160921 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |