CN103144565A - Control device for hydraulic system of engineering truck and engineering truck with control device - Google Patents
Control device for hydraulic system of engineering truck and engineering truck with control device Download PDFInfo
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- CN103144565A CN103144565A CN2011104021380A CN201110402138A CN103144565A CN 103144565 A CN103144565 A CN 103144565A CN 2011104021380 A CN2011104021380 A CN 2011104021380A CN 201110402138 A CN201110402138 A CN 201110402138A CN 103144565 A CN103144565 A CN 103144565A
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- pressure system
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Abstract
The invention provides a control device for a hydraulic system of an engineering truck and the engineering truck with the control device. The control device comprises a reversing valve for the hydraulic system, a lever, a stepper motor and a control unit, wherein the stepper motor is connected with the reversing valve for the hydraulic system through the lever; the stepper motor is used for driving the reversing valve to move so as to enable a pipeline to reverse; the control unit is used for providing a control signal for the stepper motor; and the stepper motor acts according to the control signal. The control device provided by the embodiment of the invention is high in automatic degree; due to the adoption of an electric control mode for the reversing valve by the control unit, the control device has the advantages of simplicity and accuracy in control and high reliability; and the control performance of the hydraulic system is improved.
Description
Technical field
The present invention relates to automobile technical field processed, particularly a kind of control setup of hydraulic efficiency pressure system of engineering truck and have its engineering truck.
Background technology
At present, in engineering truck, the change-over valve of hydraulic efficiency pressure system is controlled the mode that usually adopts the mechanical mode of controlling or gas circuit to control.Yet mechanical control mechanism is complicated, and transition piece is many, and the mechanical efficiency loss is many, and actuating force is large.And gas circuit is controlled at and can not works when the car load gas circuit has fault, and the malfunction elimination trouble, affects vehicle and normally uses.On the other hand, before the hydraulic efficiency pressure system of dominant project car is carried out lifting to the container of engineering truck, need to open the rear board of container, yet mechanism for opening/closing all adopts mechanical structure at present, need to handle that intensity is large, it manually controls not only labor intensive, degree of automation is low, has limited development and the mechanical structure poor reliability of engineering truck.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, it is simple, accurately that one object of the present invention is to propose take up room little, the electrical control of a kind of control unit, promotes the control setup of hydraulic efficiency pressure system of the engineering truck of hydraulic efficiency pressure system operating characteristic.
Another object of the present invention is to propose a kind of engineering truck.
To achieve these goals, the embodiment of first aspect present invention has proposed a kind of control setup of hydraulic efficiency pressure system of engineering truck, wherein, described engineering truck comprises container, described container comprises container body, rear board and is used for controlling the hydraulic efficiency pressure system of described container lifting, and described control setup comprises: the change-over valve that is used for described hydraulic efficiency pressure system; Lever; Stepping motor, described stepping motor is connected with the change-over valve that is used for described hydraulic efficiency pressure system by described lever, and described stepping motor is used for driving described change-over valve and commutates; And control unit, described control unit is used for providing control signal to described stepping motor, and wherein, described stepping motor moves according to described control signal.
Control setup according to the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention, realize electrical control to the change-over valve of hydraulic efficiency pressure system by control unit, the control mechanism that has solved traditional mechanical control method is complicated, transition piece is many, the mechanical efficiency loss is many, the shortcoming that actuating force is large, have advantages of simple in structure, control accuracy is high and degree of automation is high.This control setup has also solved the shortcoming that traditional gas circuit mode can not be worked and malfunction elimination bothers when the car load gas circuit has fault, have advantages of that malfunction elimination is simple, easy for installation and reliability is high.In addition, this device volume is little, can greatly save the installing space of control unit in operator's compartment, and flexible arrangement has promoted the maneuvering performance of hydraulic efficiency pressure system.
In addition, the control setup of the hydraulic efficiency pressure system of engineering truck according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, the control setup of the hydraulic efficiency pressure system of described engineering truck also comprises: actuator, described actuator is arranged on described container body and with described control unit and is connected, and wherein, described control unit also is used for providing control signal to described actuator; And rear board lockable mechanism, described rear board lockable mechanism is used for controlling the opening and closing of described rear board, and described rear board lockable mechanism is connected with described actuator and to drive described rear board lockable mechanism when described actuator provides control signal at described control unit, described rear board is controlled.
Thus, before the hydraulic efficiency pressure system of dominant project car is carried out lifting to the container of engineering truck, solved the required manipulation intensity of traditional rear board of opening mechanically container and controlled greatly and manually labor intensive, shortcoming that degree of automation is low, have advantages of that degree of automation is high, control accurately and actuating force little.Further promoted the performance of hydraulic efficiency pressure system.
In one embodiment of the invention, described actuator is one of them of cylinder, oil cylinder.
In one embodiment of the invention, described rear board lockable mechanism is connected with the piston rod of described cylinder or oil cylinder.
In one embodiment of the invention, when ventilation in described cylinder or in the described oil cylinder during logical oil, described cylinder or described oil cylinder are controlled described rear board lockable mechanism described rear board are opened.
In one embodiment of the invention, described control unit comprises: control panel, and described control panel is used for providing control signal; Controller, described controller controls described stepping motor according to described control signal or described actuator is carried out.
In one embodiment of the invention, described control panel comprises decline button, slow button, lifting button, slow button, separate button and the engagement button of rising of falling, to send decline control signal, slow control signal, lifting control signal, slow control signal, separation control signal and the engagement control signal of rising of falling to described controller respectively.
In one embodiment of the invention, described controller according to described decline control signal, slow control signal, lifting control signal fall or the slow control signal that rises is controlled described stepping motor and moved to corresponding position, described controller is according to described separation control signal and engagement and by the described rear board lockable mechanism of described actuator control, described rear board is opened or closed.
In one embodiment of the invention, described stepping motor is connected by the valve rod of described lever with the change-over valve that is used for described hydraulic efficiency pressure system.
Second aspect present invention embodiment has proposed a kind of engineering truck, comprises the control setup of the hydraulic efficiency pressure system of the described engineering truck of above-mentioned first aspect embodiment.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of control setup of hydraulic efficiency pressure system of the engineering truck of one embodiment of the invention; And
Fig. 2 is the actuator of control setup of hydraulic efficiency pressure system of engineering truck of one embodiment of the invention and the schematic diagram of rear board lockable mechanism.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are separately arranged, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be captive joints, can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
Below in conjunction with accompanying drawing 1-2, at first control setup according to the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention is described.
Comprise container according to the engineering truck of the control setup of the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention, as shown in Figure 2, container 110 comprises container body 111, rear board 112 and is used for controlling the hydraulic efficiency pressure system (not shown) of described container lifting.
As shown in Figure 1, the control setup according to the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention comprises change-over valve 120, lever 130, stepping motor 140 and control unit (not shown) for described hydraulic efficiency pressure system.
Wherein, stepping motor 140 is connected with the change-over valve 120 that is used for described hydraulic efficiency pressure system by lever 130, and stepping motor 140 is used for driving change-over valve 120 by lever 130 and commutates.In an example of the present invention, stepping motor 140 is connected by the valve rod (not shown) of lever 130 with the change-over valve 120 that is used for hydraulic efficiency pressure system, those skilled in the art will appreciate that valve rod sets in advance in change-over valve 120.Control unit is used for providing control signal to stepping motor 140, and wherein, described stepping motor 140 moves according to control signal.Control unit is by transmitting control signal to stepping motor 140, the electrical control of realization to stepping motor, it will be appreciated that, control unit can provide control signal to stepping motor 140 by the mode of wired connection, also can provide control signal to stepping motor 140 by the mode of wireless connections.Mode by wireless connections can connect up, convenient, flexible between control unit and stepping motor 140.
Control setup according to the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention, realize electrical control to the change-over valve 120 of hydraulic efficiency pressure system by control unit, the control mechanism that has solved traditional mechanical control method is complicated, transition piece is many, the mechanical efficiency loss is many, the shortcoming that actuating force is large, have advantages of simple in structure, control accuracy is high and degree of automation is high.This control setup has also solved the shortcoming that traditional gas circuit mode can not be worked and malfunction elimination bothers when the car load gas circuit has fault, have advantages of that malfunction elimination is simple, easy for installation and reliability is high.In addition, this device volume is little, can greatly save the installing space of control unit in operator's compartment, and flexible arrangement has promoted the maneuvering performance of hydraulic efficiency pressure system.
As shown in Figure 2, in one embodiment of the invention, the control setup of the hydraulic efficiency pressure system of engineering truck has also comprised actuator 150 and rear board lockable mechanism 160.
Advantageously, in conjunction with Fig. 2, actuator 150 is for example cylinder shown in Figure 2, and rear board lockable mechanism 160 is connected with the piston rod 151 of cylinder.When ventilating in cylinder, the piston rod 151 of cylinder stretches out, and the other end that makes the rear board lockable mechanism 160 that is connected with piston rod 151 control rear board lockable mechanism 160 breaks away from rear board 112, thereby rear board 112 can be opened.Advantageously, be arranged with spring 152 on piston rod 151, thus, when cylinder not being applied control signal, under the application force of spring 152, the piston rod 151 of cylinder stretches out and reduces gradually, and the other end of rear board lockable mechanism 160 is contacted with rear board 112, thereby closes (locking) rear board 112.Prevent unexpected generation.
By the above embodiments as can be known, before the hydraulic efficiency pressure system of dominant project car is carried out lifting to the container 110 of engineering truck, solved the required manipulation intensity of traditional rear board of opening mechanically container and controlled greatly and manually labor intensive, shortcoming that degree of automation is low, have advantages of that degree of automation is high, control accurately and actuating force little.Further promoted the performance of hydraulic efficiency pressure system.
Further, in conjunction with Fig. 1 and Fig. 2, the control unit of one embodiment of the invention comprises control panel (not shown) and controller (not shown).
Control panel is used for providing control signal.Controller is connected with control panel, and carries out according to control signal control step motor 140 or actuator 150.In an example of the present invention, comprise 6 buttons on control panel, be respectively decline button, slow button, lifting button, slow button, separate button and the engagement button of rising of falling, to send decline control signal, slow control signal, lifting control signal, slow control signal, separation control signal and the engagement control signal of rising of falling to controller respectively.
Further, controller according to the decline control signal, slow fall control signal, lifting control signal or slowly rise control signal control step motor 140 and move to corresponding position (two positions as shown in phantom in Figure 1).Controller can move between the position of dotted line by control step motor 140, thereby the change-over valve 120 that drive to be used for described hydraulic efficiency pressure system transforms to corresponding direction, so control that hydraulic efficiency pressure system descends, slowly falls, the actions such as lifting or slow liter.
In addition, controller is according to separation control signal and engagement and control 160 pairs of rear boards 112 of rear board lockable mechanism by actuator 150 (as cylinder) and open or cut out (locking).
Need to understand, when those skilled in the art controls at the control setup that uses the embodiment of the present invention, should understand following some.
1, when carrying out lifting or slow liter action, cylinder has precedence over stepping motor 140 actions.In other words, need to rear plate lockable mechanism 160 should be opened before stepping motor 140 drive hydraulic system principles carry out lifting or slow liter action, guarantee the normal unlatching of rear board 112, to guarantee demand for security.
2, the state of rear plate lockable mechanism 160 is that control panel is when pressing separate button, actuator (cylinder) action, realize closing (locking) by 160 pairs of rear boards of lockable mechanism 112, rear board 112 can't be opened, and guarantees the transportation demand of lade.
3, actuator (cylinder) state of nature is that rear board 112 is closed (locking) state, compress by the spring 152 of installing in actuator (cylinder), (locking) closed in realization, open and be actuator (cylinder) aeration status, the unlatching requirement of realization to rear board 112.
During the corresponding actions instructions such as 4, the lifting of control step motor 140, slow liter, decline, slow liter, decline button, the slow gentle button that rises of button, lifting button that falls need continue to press and could realize perseveration, during no signal, stepping motor 140 is meta (position as shown in Figure 1), and change-over valve 120 is failure to actuate.When lifting, down maneuver instruction, lever 130 strokes maximum (position as shown in Fig. 1 dotted line) guarantee for change-over valve 120 flow processs of described hydraulic efficiency pressure system maximum, when slow liter, slow falling, the action of lever 130 is the stepping process, and under this state, gentle the falling of slow liter controlled by control unit this moment.
Embodiments of the invention have also proposed a kind of engineering truck, comprise the control setup of the hydraulic efficiency pressure system of the described engineering truck of above-mentioned first aspect embodiment.
Be all known for those of ordinary skills according to other formations and the operation of the engineering truck of the embodiment of the present invention, be not described in detail here.
Control setup according to the hydraulic efficiency pressure system of the engineering truck of the embodiment of the present invention, realize electrical control to the change-over valve of hydraulic efficiency pressure system by control unit, the control mechanism that has solved traditional mechanical control method is complicated, transition piece is many, the mechanical efficiency loss is many, the shortcoming that actuating force is large, have advantages of simple in structure, control accuracy is high and degree of automation is high.This control setup has also solved the shortcoming that traditional gas circuit mode can not be worked and malfunction elimination bothers when the car load gas circuit has fault, have advantages of that malfunction elimination is simple, easy for installation and reliability is high.In addition, this device volume is little, can greatly save the installing space of control unit in operator's compartment, and flexible arrangement has promoted the maneuvering performance of hydraulic efficiency pressure system.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claim and be equal to and limit.
Claims (10)
1. the control setup of the hydraulic efficiency pressure system of an engineering truck, is characterized in that, described engineering truck comprises container, and described container comprises container body, rear board and be used for controlling the hydraulic efficiency pressure system of described container lifting, and described control setup comprises:
The change-over valve that is used for described hydraulic efficiency pressure system;
Lever;
Stepping motor, described stepping motor is connected with the change-over valve that is used for described hydraulic efficiency pressure system by described lever, and described stepping motor is used for driving described change-over valve and commutates; And
Control unit, described control unit are used for providing control signal to described stepping motor, and wherein, described stepping motor moves according to described control signal.
2. the control setup of hydraulic efficiency pressure system according to claim 1, is characterized in that, also comprises:
Actuator, described actuator are arranged on described container body and with described control unit and are connected, and wherein, described control unit also is used for providing control signal to described actuator; And
The rear board lockable mechanism, described rear board lockable mechanism is used for controlling the opening and closing of described rear board, and described rear board lockable mechanism is connected with described actuator and to drive described rear board lockable mechanism when described actuator provides control signal at described control unit, described rear board is controlled.
3. the control setup of hydraulic efficiency pressure system according to claim 2, is characterized in that, described actuator is one of them of cylinder, oil cylinder.
4. the control setup of hydraulic efficiency pressure system according to claim 3, is characterized in that, described rear board lockable mechanism is connected with the piston rod of described cylinder or oil cylinder.
5. the control setup of according to claim 2 or 3 described hydraulic efficiency pressure systems, is characterized in that, when ventilation in described cylinder or in the described oil cylinder during logical oil, described cylinder or described oil cylinder are controlled described rear board lockable mechanism described rear board is opened.
6. the control setup of hydraulic efficiency pressure system according to claim 1, is characterized in that, described control unit comprises:
Control panel, described control panel is used for providing control signal;
Controller, described controller controls described stepping motor according to described control signal or described actuator is carried out.
7. the control setup of hydraulic efficiency pressure system according to claim 6, it is characterized in that, described control panel comprises decline button, slow button, lifting button, slow button, separate button and the engagement button of rising of falling, to send decline control signal, slow control signal, lifting control signal, slow control signal, separation control signal and the engagement control signal of rising of falling to described controller respectively.
8. the control setup of hydraulic efficiency pressure system according to claim 7, it is characterized in that, described controller according to described decline control signal, slow control signal, lifting control signal fall or the slow control signal that rises is controlled described stepping motor and moved to corresponding position, described controller is according to described separation control signal and engagement and by the described rear board lockable mechanism of described actuator control, described rear board is opened or closed.
9. the control setup of hydraulic efficiency pressure system according to claim 1, is characterized in that, described stepping motor is connected by the valve rod of described lever with the change-over valve that is used for described hydraulic efficiency pressure system.
10. an engineering truck, is characterized in that, comprising:
Control setup as the hydraulic efficiency pressure system of the described engineering truck of claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402138.0A CN103144565B (en) | 2011-12-06 | 2011-12-06 | The controlling device and there is its engineering truck of the hydraulic system of engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402138.0A CN103144565B (en) | 2011-12-06 | 2011-12-06 | The controlling device and there is its engineering truck of the hydraulic system of engineering truck |
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| CN103144565A true CN103144565A (en) | 2013-06-12 |
| CN103144565B CN103144565B (en) | 2016-06-08 |
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| CN201110402138.0A Active CN103144565B (en) | 2011-12-06 | 2011-12-06 | The controlling device and there is its engineering truck of the hydraulic system of engineering truck |
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| CN200995642Y (en) * | 2007-01-25 | 2007-12-26 | 河南皇马车辆有限公司 | Automatic semi-trailing self-dumping truck with hydraulic system central control |
| US20090079254A1 (en) * | 2007-09-20 | 2009-03-26 | Jed Jacobs | Small utility vehicle |
| CN201501336U (en) * | 2009-08-20 | 2010-06-09 | 上海宝冶建设有限公司 | Electric dumper truck |
| CN201619491U (en) * | 2010-02-05 | 2010-11-03 | 小康汽车产业（集团）有限公司 | Automobile automatic unloading system |
| CN101943190A (en) * | 2010-09-24 | 2011-01-12 | 许新跃 | Numerical control proportioning hydraulic directional control valve |
| ES1074727U (en) * | 2010-10-26 | 2011-06-03 | Antonio Piedrafita Guijarro | Compact hydraulic mini-cylinder perfected manual (Machine-translation by Google Translate, not legally binding) |
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2011
- 2011-12-06 CN CN201110402138.0A patent/CN103144565B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200995642Y (en) * | 2007-01-25 | 2007-12-26 | 河南皇马车辆有限公司 | Automatic semi-trailing self-dumping truck with hydraulic system central control |
| US20090079254A1 (en) * | 2007-09-20 | 2009-03-26 | Jed Jacobs | Small utility vehicle |
| CN201501336U (en) * | 2009-08-20 | 2010-06-09 | 上海宝冶建设有限公司 | Electric dumper truck |
| CN201619491U (en) * | 2010-02-05 | 2010-11-03 | 小康汽车产业（集团）有限公司 | Automobile automatic unloading system |
| CN101943190A (en) * | 2010-09-24 | 2011-01-12 | 许新跃 | Numerical control proportioning hydraulic directional control valve |
| ES1074727U (en) * | 2010-10-26 | 2011-06-03 | Antonio Piedrafita Guijarro | Compact hydraulic mini-cylinder perfected manual (Machine-translation by Google Translate, not legally binding) |
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| CN103144565B (en) | 2016-06-08 |
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