CN203754373U - Vehicle frame automatic leveling device - Google Patents
Vehicle frame automatic leveling device Download PDFInfo
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- CN203754373U CN203754373U CN201320702326.XU CN201320702326U CN203754373U CN 203754373 U CN203754373 U CN 203754373U CN 201320702326 U CN201320702326 U CN 201320702326U CN 203754373 U CN203754373 U CN 203754373U
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- vehicle frame
- leveling
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- automatic leveling
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- 230000001276 controlling effect Effects 0.000 claims abstract description 5
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- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a vehicle frame automatic leveling device, which comprises a control mechanism and an executing mechanism, wherein the executing mechanism comprises five electromagnetic reversing valves, four horizontal oil cylinders and four vertical oil cylinders, wherein the four horizontal oil cylinders are used for controlling the horizontal telescopic effect of vehicle frame support legs, and the four vertical oil cylinders are used for regulating the horizontal positions of the four support legs. The vehicle frame automatic leveling device is characterized in that the control mechanism comprises a control chip, a two-shaft leveling controller, a stroke switch and four bottom touch switches, the double-shaft leveling controller, the stroke switch, the bottom touch switches and the five electromagnetic reversing valves are respectively connected with the control chip, the two-shaft leveling controller is arranged on a vehicle frame and is used for obtaining horizontal inclination signals in transverse and longitudinal directions. Compared with the prior art, the vehicle frame automatic leveling device has the following advantages and effects that the control method adopted by the utility model has the advantages that the reaction time is short, the delay cannot occur, in addition, the one-key automatic leveling is adopted, the artificial manual leveling is not needed, a seamless access module is utilized, and the configuration flexibility of a high-altitude operation vehicle is improved.
Description
Technical field
The utility model relates to a kind of vehicle frame automatic leveling device, is applicable to the operation leveling of engineering truck.
Background technology
Along with the operation height of aerial platform constantly increases, the focus of work of Operation Van improves thereupon, and the positive correlation of the horizontal accuracy that security and stability and vehicle frame arrange is outstanding all the more.At present, domestic aerial platform great majority adopt M/C hydraulic support leg, carry out vehicle frame leveling by the vehicle-mounted level indicator of visual inspection, leveling precision is low, particularly in ramp or when supporting leg is set complex road surface, complicated operation, need to operate when leveling conventionally repeatedly, and leveling precision is low and the time is long.
The patent No. is: 201110194342.8, denomination of invention is: the hydraulic pressure automatic horizontal control system of seabed drilling machine and the Chinese utility model patent of leveling method disclose a kind of hydraulic pressure automatic horizontal control system and leveling method of seabed drilling machine, leveling system comprises stay bearing plate, large arm, chain, hydraulic actuating cylinder supporting leg, base and hydraulic efficiency pressure system, base supports rig and is connected with hydraulic actuating cylinder supporting leg, large arm connecting fluid cylinder pressure supporting leg, base and stay bearing plate, stay bearing plate contacts with sea bed face.Leveling method is on base, to select two mutually perpendicular X-axis, Y-axis, double-shaft tilt angle sensor is installed along X-axis or Y-axis, measure the angle of inclination on two change in coordinate axis direction by double-shaft tilt angle sensor, by the amplification of signal condition module, filtering, isolation, signal after conditioning is delivered in data acquisition equipment and computing machine, then through signal analyse block, digital to analogy conversion, amplify, export 3 road electric currents, drive the valve core movement of 3 proportional reversing valves, the flow of control system, drive the three hydraulic actuating cylinder supporting legs y1 that rises respectively, y2, y3, realizes leveling.This system adoption rate valve, apportioning valve is different from switch valve, apportioning valve can be controlled the speed of oil cylinder, switch valve can not, apportioning valve form system cost be far longer than switch valve; And magnetic is with the leveling that is applicable to three spot control, four spot control of this and vehicle are different, can determine a unique plane at 3, and four vertical support leg of aerial platform have formed statically indeterminate system, computation model and control algorithm are than the control system complexity of three apportioning valves.
Application number 201210416271.6, denomination of invention is: for the Chinese utility model patent of the distributed automatic horizontal control system polling control method of a kind of special vehicle discloses a kind of leveling control method, its process is: when inclination angle collector receives user's automatic leveling enabled instruction, send leveling sign on, the all supporting leg controllers that are serially connected in RS485 bus receive instruction, and poll supporting leg leveling control is to realize cooperation leveling mutually; When inclination angle collector receives user's automatic leveling halt instruction, send leveling halt instruction, all supporting leg controllers receive after instruction, stop poll supporting leg leveling control and enter dormant state.Due to inclination angle collector be only responsible for gather two-dimentional obliquity information and and each supporting leg controller between data communication, therefore can by motor drive disturb, system stability and reliability are higher.The utility model has improved self-levelling reliability; Reduce the dependence of automatic horizontal control system to supporting leg number; Leveling mode is more versatile and flexible, can control supporting leg downlink or uplink; The unsuccessful time good leveling state of also can automatically realizing of leveling.The method does not relate to the decision process of the inclination angle safety before leveling, and this makes the vehicle frame after leveling also be short of certain stability.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and can control that 4 Vertical Cylinders are accurate, the vehicle frame automatic leveling device of safe leveling.
The technical scheme in the invention for solving the above technical problem is: this vehicle frame automatic leveling device, comprise control mechanism and actuating unit, described actuating unit comprises five solenoid directional control valves, four for controlling the cross cylinder of vehicle frame supporting leg horizontal extension and four for regulating the Vertical Cylinders of four supporting leg level attitudes, it is characterized in that: described control mechanism comprises control chip, twin shaft leveling controller, travel switch and four bottom contact switches, described twin shaft leveling controller, travel switch, bottom contact switch and five solenoid directional control valves are all connected with control chip, twin shaft leveling controller is arranged on vehicle frame, for obtaining the horizontal tilt angle signal of vehicle frame on horizontal and vertical, described one of them solenoid directional control valve is arranged between cross cylinder and pressure/oil return circuit, all the other four solenoid directional control valves are arranged between Vertical Cylinders and pressure/oil return circuit.Four bottom contact switches are respectively used to four controls of the tactile ends of controlling Vertical Cylinders, can judge whether Vertical Cylinders touches ground, and travel switch is for the operation signal as valve rod, and double-shaft tilt angle sensor can carry out high-speed sampling to the inclination angle in leveling process.
In the utility model, former car operation-control system is provided with wiring harness interface, and described control chip connects former car operation-control system by wire harness.Utilize wire harness access, in the situation that not changing former aloft work vehicle control, the control system of this device is linked in former aloft work vehicle control and reads control signal, control the operation of this device, i.e. so-called " seamless access ", make this device become a set of choosing dress parts, increased the layout flexibility of aerial platform.
Solenoid directional control valve described in the utility model adopts the electromagnetic switch combine valve with handle.Adopt this structure to make this device both can adopt automatic leveling also can realize manual leveling.
The utility model vehicle frame automatic leveling device and leveling method can stretching out or retracting according to four cross cylinders of the work Inclination maneuver of vehicle body and four Vertical Cylinders, regulate the operating attitude of respective leg in perpendicular, leveling front rake is judged safely and is guaranteed that vehicle body is in stable leveling state.In the process of leveling, twin shaft leveling controller obtains the horizontal tilt angle signal of vehicle frame on horizontal and vertical real-time Transmission to control chip, and output control signals to corresponding solenoid directional control valve by control chip, control chip can be according to corresponding inclination situation, export the corresponding solenoid directional control valve that control signal regulates, finally make vehicle frame at horizontal operating condition.
The utility model compared with prior art, has the following advantages and effect: the control method that this programme adopts, the reaction time is fast, there will not be delay, and adopts a key automatic leveling, without workman's manual leveling.And solenoid directional control valve can switch to manual mode, facilitate workman to carry out manual leveling.Utilize seamless access module, increased the layout flexibility of aerial platform.
Brief description of the drawings
Fig. 1 is the connection block diagram of the utility model embodiment.
Fig. 2 is the connection diagram of the control mechanism of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Referring to Fig. 1-Fig. 2, the present embodiment vehicle frame automatic leveling device, comprise control mechanism and actuating unit, described actuating unit comprises five solenoid directional control valves, four for controlling the cross cylinder of vehicle frame supporting leg horizontal extension and four for regulating the Vertical Cylinders of four supporting leg level attitudes, described control mechanism comprises control chip, twin shaft leveling controller, travel switch and four bottom contact switches, described twin shaft leveling controller, travel switch, bottom contact switch and five solenoid directional control valves are all connected with control chip, twin shaft leveling controller is arranged on vehicle frame, for obtaining the horizontal tilt angle signal of vehicle frame on horizontal and vertical, described one of them solenoid directional control valve is arranged between cross cylinder and pressure/oil return circuit, all the other four solenoid directional control valves are arranged between Vertical Cylinders and pressure/oil return circuit.Former car operation-control system is provided with wiring harness interface, and described control chip connects former car operation-control system by wire harness.Utilize wire harness access, in the situation that not changing former aloft work vehicle control, the control system of this device is linked in former aloft work vehicle control and reads control signal, control the operation of this device, i.e. so-called " seamless access ", make this device become a set of choosing dress parts, increased the layout flexibility of aerial platform.
The present embodiment, it is to adopt control chip machine to carry out high-speed sampling to double-shaft tilt angle sensor that vehicle frame automatic leveling device carries out self-levelling method, after filtering, carrying out in advance leveling front rake judges safely, carry out again leveling operation, in leveling operation, obtain the speed that frame rake angle changes, by trend analysis algorithm, calculate the standing time point of each Vertical Cylinders, realize the leveling of vehicle frame.Leveling control logic, adopts and rises leveling strategy, i.e. in leveling process, vertical leg keeps rising.Described leveling front rake is judged safely and is mainly comprised following control step:
1) after parking, open and control power supply;
2) double-shaft tilt angle sensor automatic detecting;
3) whether supporting leg touches end signal reasonable, if rationally skip to step 4, if unreasonable two red lights light, an amber light lights, and cue mistake needs to repair; Bottom contact switch is used for judging whether supporting leg touches the end, is reasonable if end signal is touched in the whether tactile end of supporting leg.
4) judge whether rationally (vehicle frame is referred to as inclination angle in the horizontal tilt angle on horizontal and vertical) of inclination angle, judge whether inclination angle is more than or equal to positive 11 degree or is less than or equal to negative 11 degree, if certainly, two red lights light, an amber light and a green light light, and prompting inclination angle exceedes allowed band can not executable operations; If negate, skip to step 5;
5) judge whether inclination angle is more than or equal to positive 1 and spend and be less than positive 11 degree, if certainly, two red lights light, and a green light lights, pointing out inclination angle to exceed allowed band can not executable operations, and vehicle turns around to park; If negate, skip to step 6;
6) judge whether inclination angle is greater than negative 11 and spend and be less than or equal to negative 9 degree, if certainly, a red light lights, an amber light flicker, the prompting gradient too greatly can not executable operations, need add to carry out leveling after two backing plates and operate; If negate, skip to step 7;
7) judge whether inclination angle is greater than negative 9 and spend and be less than or equal to negative 6 degree, if certainly, a red light lights, a green light flicker, the prompting gradient too greatly can not executable operations, need add to carry out leveling after a backing plate and operate; If negate, skip to step 8;
8) now inclination angle is greater than negative 6 and spend and be less than positive 1 degree, without instruction bright light, carries out leveling and operates.
In the present embodiment, solenoid directional control valve adopts the electromagnetic switch combine valve with handle, is installed on and gets off; Shaft inclination sensor package forms leveling controller in the adze aluminium box of a PI67, by access wire harness, operation display box, leveling controller and former car operation-control system are coupled together, wherein operate display box the written instructions lamp described in self-levelling method is housed.
Above content described in this specification sheets is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the content of the utility model specification sheets or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. a vehicle frame automatic leveling device, comprise control mechanism and actuating unit, described actuating unit comprises five solenoid directional control valves, four for controlling the cross cylinder of vehicle frame supporting leg horizontal extension and four for regulating the Vertical Cylinders of four supporting leg level attitudes, it is characterized in that: described control mechanism comprises control chip, twin shaft leveling controller, travel switch and four bottom contact switches, described twin shaft leveling controller, travel switch, bottom contact switch and five solenoid directional control valves are all connected with control chip, twin shaft leveling controller is arranged on vehicle frame, for obtaining the horizontal tilt angle signal of vehicle frame on horizontal and vertical, described one of them solenoid directional control valve is arranged between cross cylinder and pressure/oil return circuit, all the other four solenoid directional control valves are arranged between Vertical Cylinders and pressure/oil return circuit.
2. vehicle frame automatic leveling device according to claim 1, is characterized in that: former car operation-control system is provided with wiring harness interface, and described control chip connects former car operation-control system by wire harness.
3. vehicle frame automatic leveling device according to claim 1, is characterized in that: described solenoid directional control valve adopts the electromagnetic switch combine valve with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702326.XU CN203754373U (en) | 2013-11-08 | 2013-11-08 | Vehicle frame automatic leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702326.XU CN203754373U (en) | 2013-11-08 | 2013-11-08 | Vehicle frame automatic leveling device |
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| Publication Number | Publication Date |
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| CN203754373U true CN203754373U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320702326.XU Expired - Lifetime CN203754373U (en) | 2013-11-08 | 2013-11-08 | Vehicle frame automatic leveling device |
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| Country | Link |
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| CN (1) | CN203754373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588145A (en) * | 2013-11-08 | 2014-02-19 | 杭州爱知工程车辆有限公司 | Frame automatic leveling device and method |
| CN107965481A (en) * | 2017-12-29 | 2018-04-27 | 龙岩市海德馨汽车有限公司 | A kind of control system and control method of vehicle-mounted hydraulic supporting leg |
| CN114922014A (en) * | 2022-06-07 | 2022-08-19 | 山河智能装备股份有限公司 | Automatic leveling method of turnout laying and exchanging machine and turnout laying and exchanging machine |
-
2013
- 2013-11-08 CN CN201320702326.XU patent/CN203754373U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588145A (en) * | 2013-11-08 | 2014-02-19 | 杭州爱知工程车辆有限公司 | Frame automatic leveling device and method |
| CN107965481A (en) * | 2017-12-29 | 2018-04-27 | 龙岩市海德馨汽车有限公司 | A kind of control system and control method of vehicle-mounted hydraulic supporting leg |
| CN114922014A (en) * | 2022-06-07 | 2022-08-19 | 山河智能装备股份有限公司 | Automatic leveling method of turnout laying and exchanging machine and turnout laying and exchanging machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |