CN202298696U - Electro-hydraulic proportional operating device of grader - Google Patents
Electro-hydraulic proportional operating device of grader Download PDFInfo
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- CN202298696U CN202298696U CN2011203093211U CN201120309321U CN202298696U CN 202298696 U CN202298696 U CN 202298696U CN 2011203093211 U CN2011203093211 U CN 2011203093211U CN 201120309321 U CN201120309321 U CN 201120309321U CN 202298696 U CN202298696 U CN 202298696U
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Abstract
An electro-hydraulic proportional operating device of a grader is capable of completing actions of ten handles only by using two handles, simple and quick in operation and capable of relieving labor intensity of workers and improving operation efficiency and safety. The electro-hydraulic proportional operating device comprises an electro-hydraulic proportional operating handle, cables, a combination instrument, an operating board, an actuator, two central control boxes and an operating box. A steering wheel device is arranged above the operating board, the electro-hydraulic proportional operating handle is arranged on one side of the steering wheel device, the combination instrument is arranged below the electro-hydraulic proportional operating handle, one cable is arranged between the combination instrument and the electro-hydraulic proportional operating handle, the actuator is arranged below the operating board, the operating box is arranged on the other side above the operating board, the two central control boxes are arranged on the lower portion of the operating box in a parallel connection manner, one cable is arranged between an input end of each central control box and an output end of the combination instrument, and one cable is arranged between an output end of each central control box and an input end of the actuator. The electro-hydraulic proportional operating device is simple in structure, visual and safe in operation, capable of saving production cost and convenient to be popularized.
Description
Technical field
The utility model relates to manipulation device, especially a kind of electric proportional control device of land leveller.
Background technology
At present, the control system of most of land leveller all is manually control, needs ten left and right sides operating lever operations, complicated operation, loaded down with trivial details, easy error, and switch handle and cause efficient low, labour intensity is big.Former manipulation is a manual mode, handles valve core of main valve by handle through the pull bar direct pull, thus each action of control land leveller.Need not stop each handle of conversion during manipulation and choose different actions, new hand often is at a loss when operation, handles inconvenient, not directly perceived; Cost of production is high, also has potential safety hazard.
In view of the foregoing, the control system of land leveller needs to improve.
The utility model content
The purpose of the utility model is in order to overcome deficiency of the prior art; A kind of electric proportional control device of land leveller is provided, only just can accomplishes the action of ten handles, handle simple, quick with two handles; Reduce labor strength, increase work efficiency and safety.
The utility model adopts following technical scheme to achieve these goals: a kind of electric proportional control device of land leveller is by electric proportional control handle, cable, and combination instrument, console, actuator, central control box, maneuver box constitutes; One side of console top is provided with steering wheel arrangement, and a side of steering wheel arrangement is provided with electric proportional control handle, and the below of electric proportional control handle is provided with combination instrument, between combination instrument and the electric proportional control handle cable is set; The below of console is provided with actuator;
The opposite side of console top is provided with maneuver box, and the bottom parallel connection of maneuver box is provided with two central control boxes; Between the input of central authorities' control box and the output of combination instrument cable is set, between the output of central control box and the input of actuator cable is set.
Described electric proportional control handle is provided with three gears.
Each gear setting of described electric proportional control handle is four displacement working positions all around, control different actions respectively.
Before and after the described electric proportional control handle or about the proportional relation of action of size and final work of displacement during action, move soon more along with the increase of displacement, move slow more along with reducing of displacement.
The operating principle of the utility model is: the action that the utility model is accomplished original ten handles, select to replace through signal with two electric hand handles.The electric hand handle has three position of rotation, is used for selecting working position, and all around promotes to realize concrete action, like stretching of oil cylinder.
Two electric hand handles are adopted in this manipulation control, two control modules, and some cables, two cover proportional servo mechanism connected system main valves are accomplished.Send signal by the electric hand handle and select to output to proportional servo mechanism through control module, the stretching out of the direction size control valve core of main valve of proportional servo mechanism through input electrical signal, stop, indentation.Stroke size that handle moves forward and backward and the big or small proportional relation that is input to the signal of telecommunication of proportional servo mechanism; The distance that promptly moves along with handle increases; The signal of telecommunication that is input to proportional servo mechanism increases; The aperture of servo control mechanism control valve core of main valve finally is reflected on the oil cylinder and stretches out perhaps indentation from slow to fast for oil cylinder also along with ratio increases.
Central authorities' control box has two, and two line terminals are arranged on the control box, and one is input signal terminal, and another is output signal end.About handle each one, be arranged in the instrument desk both sides, left and right sides handle is interchangeable.3 positions are arranged on the handle, illustrate with numeral, rotatable handgrip switches three positions.The corresponding control action in these three positions indicates with the handle action identification respectively.Handle sign top 1 gear signal red light was bright when rotary handle was selected 1 position, and the like corresponding each the gear signal lamp in each position.Contain up and down two parts in the handle action identification, above the pairing action of driving handle before and after the behavior, below the pairing action of a behavior left and right sides driving handle.For example: select left handle 1 gear, action does during the driving handle of front and back, and the left side of slide tackling promotes or landing, promotes forward to promoting, and is landing backward.
Proportional servo mechanism is made up of five groups of servomotors and five cocainine thick sticks, and each organizes the corresponding cocainine thick stick of motor, is converted into the rotating of motor behind the servomotor acquisition signal of telecommunication, and the size of the signal of telecommunication has determined rotating speed of motor.Leading screw links to each other with motor, is converted into rotatablely moving of motor the rectilinear motion of leading screw.The leading screw external part connects handles main valve, finally is converted into by leading screw push-and-pull valve core of main valve and accomplishes the control to main valve.
Left and right sides handle respective action detailed rules and regulations:
Left handle the 1st position, the front and back action---go up and down in the perching knife left side
Left handle the 1st position, about action---equipment revolution
Left handle the 2nd position, front and back action---front and back vehicle frame articulation steering
Left handle the 2nd position, about the action---the front-wheel wallowing motion
Left handle the 3rd position, the front and back action---the perching knife left and right sides goes up and down simultaneously
Left handle the 3rd position, about action---back ridge buster go up and down (apolegamy)
Right handles the 1st position, the front and back action---go up and down in the perching knife right side
Right handles the 1st position, about action---perching knife is flexible
Right handles the 2nd position, front and back action---perching knife angle
Right handles the 2nd position, about action---equipment swing
Right handles the 3rd position, the front and back action---the perching knife left and right sides goes up and down simultaneously
Right handles the 3rd position, front and back action---preceding ejector dozer up-down (apolegamy)
Left handle the 3rd position in the handle, front and back action and right handles the 3rd position, the front and back action is repetitive operation, function is identical, is all the perching knife left and right sides and goes up and down simultaneously.
When realizing composite move, owing to adopt same pressure source, situation successively can appear moving, reason is that the operating on low voltage of will waiting until that pressure is higher is accomplished the back and moved because the isobaric characteristic that hydraulic system exists causes the relatively low action earlier of operating pressure.
The beneficial effect of the utility model is: simple in structure, easy to use, quick, operation is directly perceived, safety; High efficiency, labour intensity is low; Practiced thrift cost of production, be convenient to promote.
The utility model is applicable to engineering machinery field.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the general assembly structural representation of the utility model;
Among Fig. 1: electric proportional control handle 1, cable 2, combination instrument 3, console 4, actuator 5, central control box 6, maneuver box 7.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain:
As shown in the figure, a side of console 4 tops is provided with steering wheel arrangement, and a side of steering wheel arrangement is provided with electric proportional control handle 1, and the below of electric proportional control handle 1 is provided with combination instrument 3, between combination instrument 3 and the electric proportional control handle 1 cable 2 is set; The below of console 4 is provided with actuator 5;
The opposite side of console 4 tops is provided with maneuver box 7, and the bottom parallel connection of maneuver box 7 is provided with two central control boxes 6; Between the input of central authorities' control box 6 and the output of combination instrument 3 cable 2 is set, between the input of the output of central control box 6 and actuator 5 cable 2 is set.
Described electric proportional control handle 1 is provided with three gears.
Each gear setting of described electric proportional control handle 1 is four displacement working positions all around, control different actions respectively.
Described electric proportional control handle 1 front and back or about the proportional relation of action of size and final work of when action displacement, move soon more along with the increase of displacement, move slow more along with reducing of displacement.
Claims (3)
1. the electric proportional control device of a land leveller is by electric proportional control handle (1), cable (2), and combination instrument (3), console (4), actuator (5), central control box (6), maneuver box (7) constitutes; It is characterized in that: a side of console (4) top is provided with steering wheel arrangement; One side of steering wheel arrangement is provided with electric proportional control handle (1); The below of electricity proportional control handle (1) is provided with combination instrument (3), between combination instrument (3) and the electric proportional control handle (1) cable (2) is set; The below of console (4) is provided with actuator (5);
The opposite side of console (4) top is provided with maneuver box (7), and the bottom parallel connection of maneuver box (7) is provided with two central control boxes (6); Between the input of central authorities' control boxes (6) and the output of combination instrument (3) cable (2) is set, between the input of the output of central control box (6) and actuator (5) cable (2) is set.
2. the electric proportional control device of a kind of land leveller according to claim 1, it is characterized in that: described electric proportional control handle (1) is provided with three gears.
3. the electric proportional control device of a kind of land leveller according to claim 2, it is characterized in that: each gear setting of described electric proportional control handle (1) is four displacement working positions all around, control different actions respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203093211U CN202298696U (en) | 2011-08-24 | 2011-08-24 | Electro-hydraulic proportional operating device of grader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203093211U CN202298696U (en) | 2011-08-24 | 2011-08-24 | Electro-hydraulic proportional operating device of grader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298696U true CN202298696U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203093211U Expired - Fee Related CN202298696U (en) | 2011-08-24 | 2011-08-24 | Electro-hydraulic proportional operating device of grader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202298696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276757A (en) * | 2013-06-04 | 2013-09-04 | 中联重科股份有限公司 | Operating table and land leveler |
-
2011
- 2011-08-24 CN CN2011203093211U patent/CN202298696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276757A (en) * | 2013-06-04 | 2013-09-04 | 中联重科股份有限公司 | Operating table and land leveler |
| CN103276757B (en) * | 2013-06-04 | 2015-12-23 | 中联重科股份有限公司 | Console is machine pacifically |
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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: 20120704 Termination date: 20140824 |
|
| EXPY | Termination of patent right or utility model |