CN202936823U - Electrohydraulic control system of working device of bulldozer - Google Patents
Electrohydraulic control system of working device of bulldozer Download PDFInfo
- Publication number
- CN202936823U CN202936823U CN201220549235.2U CN201220549235U CN202936823U CN 202936823 U CN202936823 U CN 202936823U CN 201220549235 U CN201220549235 U CN 201220549235U CN 202936823 U CN202936823 U CN 202936823U
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- electromagnetic valve
- perching knife
- controller
- ridge buster
- control system
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Abstract
The utility model relates to an electrohydraulic control system of the working device of a bulldozer. The electrohydraulic control system comprises a control handle, a vehicle operation sensing mechanism, a controller, an electromagnetic valve mechanism and a hydraulic system actuating mechanism, wherein the control handle and the vehicle operation sensing mechanism are connected with the input end of the controller, and the output end of the controller is connected hydraulic system actuating mechanism through the electromagnetic valve mechanism. The electrohydraulic control system provided by the utility model has the benefits as follows: 1, electrical control hydraulic proportion pilot control is adopted, so fine work can be achieved; 2, electrical signal treatment and transmission are very convenient, an electrical signal and a hydraulic technology are combined together so as to form an electrohydraulic control technology; 3, since the control handle outputs complete electrical signals, the remote operation control can be performed; 4, the master controller of the electrohydraulic control system can receive other signals of the complete machine, the safety performance of the operation to the bulldozer can be enhanced, and foundation for automatization and intellectualization of the complete machine of the bulldozer can be paved.
Description
Technical field
The utility model relates to a kind of bulldozer, relates in particular to a kind of bulldozer working device electrohydraulic control system.
Background technology
The variation that bulldozer is loaded in operation process is frequent and amplitude is large, is difficult to prediction.The general operation personnel adapt to the variation of load by the lifting of manual operation joystick change perching knife with sensation, thereby inevitably exist larger slow and uncertain, cause the operating efficiency of bulldozer lower, the defective such as operation quality is relatively poor, and operating personnel's labour intensity is large.Adopt the equipment of link-type manual control to exist steering force large, installation footprint is large, regulates difficulty, and the problems such as inconvenient maintenance have had a strong impact on stability, maintainability, safety and the application life of machine.
The utility model content
Technical problem to be solved in the utility model is: a kind of bulldozer working device electrohydraulic control system is provided, has solved operating efficiency low, of poor quality, steering force is large, installation footprint is large, regulate difficulty, the problems such as inconvenient maintenance improve the performance of system, Electric signal processing and transmission are very convenient, realized fine manipulation, due to control crank output be the signal of telecommunication fully, therefore can carry out remote operation and control, realized integrated design, made trouble hunting more convenient.
The utility model is that the technical scheme that the problem of the above-mentioned proposition of solution adopts is:
A kind of bulldozer working device electrohydraulic control system, comprise control crank 1, vehicle operating sensing mechanism 2, controller 3, electromagnetic valve mechanism 4 and hydraulic system executing agency 5, control crank 1 is connected with the input of vehicle operating sensing mechanism 2 with controller 3, and the output of controller 3 is connected with hydraulic system executing agency 5 by electromagnetic valve mechanism 4.
Described control crank 1 comprises perching knife joystick 6 and ridge buster joystick 7, and perching knife joystick 6 all is connected with controller 3 inputs with ridge buster joystick 7.
described vehicle operating sensing mechanism 2, comprise velocity sensor 8, hydraulic oil temperature sensor 9, coil cooling-water temperature transmitter 10, perching knife levelling analogue type recoil simulator 11, key switch 12, equipment locking switch 13, ridge buster locking switch 14 and avoid hydraulic filter switch 15, velocity sensor 8, hydraulic oil temperature sensor 9, coil cooling-water temperature transmitter 10, perching knife levelling analogue type recoil simulator 11, key switch 12, equipment locking switch 13, ridge buster locking switch 14 with avoid hydraulic filter switch 15 and all be connected with controller 3 inputs.
Described electromagnetic valve mechanism 4 comprises perching knife lifting electromagnetic valve 16, perching knife inclination electromagnetic valve 17 and ridge buster lifting electromagnetic valve 18, and perching knife lifting electromagnetic valve 16, perching knife inclination electromagnetic valve 17 and ridge buster lifting electromagnetic valve 18 all are connected with controller 3 outputs.
Described hydraulic system executing agency 5 comprises perching knife 19 and ridge buster 20, and perching knife 19 is connected with perching knife inclination electromagnetic valve 17 with perching knife lifting electromagnetic valve 16, and ridge buster 20 is connected with ridge buster lifting electromagnetic valve 18.
Operating principle of the present utility model: the controller collection in conjunction with current output information, by logical calculated and the judgement of inside, is carried out corresponding signal output from control crank, vehicle operating sensing mechanism and inner input message.Output signal is directly controlled the break-make of electromagnetic valve mechanism, causes thus the variation of hydraulic system executing agency oil circuit, realizes different output.
The beneficial effects of the utility model are: 1, adopt the electric-controlled hydraulic proportion pilot to control, can realize fine manipulation; 2, Electric signal processing and transmission are very convenient, the signal of telecommunication and hydraulic technique are combined just formed electrohydraulic control technology; 3, due to control crank output be the signal of telecommunication fully, therefore can carry out remote operation and control; 4, the master controller of electrohydraulic control system can be accepted other signals of complete machine, as the fault-signal that produces in the real-time running state of bulldozer, running and Automatic Levelling signal of equipment etc., improve the security performance of bulldozer operation, for automation, the intellectuality of bulldozer complete machine lays the foundation.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is operating principle schematic diagram of the present utility model.
wherein, the 1-control crank, 2-vehicle operating sensing mechanism, the 3-controller, the 4-electromagnetic valve mechanism, 5-hydraulic system executing agency, 6-perching knife joystick, 7-ridge buster joystick, the 8-velocity sensor, 9-hydraulic oil temperature sensor, 10-coil cooling-water temperature transmitter, 11-perching knife levelling analogue type recoil simulator, the 12-key switch, 13-equipment locking switch, 14-ridge buster locking switch, 15-avoids the hydraulic filter switch, 16-perching knife lifting electromagnetic valve, 17-perching knife inclination electromagnetic valve, 18-ridge buster lifting electromagnetic valve, the 19-perching knife, the 20-ridge buster.
The specific embodiment
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
With reference to Fig. 1-2, the described a kind of bulldozer working device electrohydraulic control system of this specific embodiment, comprise control crank 1, vehicle operating sensing mechanism 2, controller 3, electromagnetic valve mechanism 4 and hydraulic system executing agency 5, control crank 1 is connected with the input of vehicle operating sensing mechanism 2 with controller 3, and the output of controller 3 is connected with hydraulic system executing agency 5 by electromagnetic valve mechanism 4.
Described control crank 1 comprises perching knife joystick 6 and ridge buster joystick 7, and perching knife joystick 6 all is connected with controller 3 inputs with ridge buster joystick 7.
described vehicle operating sensing mechanism 2, comprise velocity sensor 8, hydraulic oil temperature sensor 9, coil cooling-water temperature transmitter 10, perching knife levelling analogue type recoil simulator 11, key switch 12, equipment locking switch 13, ridge buster locking switch 14 and avoid hydraulic filter switch 15, velocity sensor 8, hydraulic oil temperature sensor 9, coil cooling-water temperature transmitter 10, perching knife levelling analogue type recoil simulator 11, key switch 12, equipment locking switch 13, ridge buster locking switch 14 with avoid hydraulic filter switch 15 and all be connected with controller 3 inputs.
Described electromagnetic valve mechanism 4 comprises perching knife lifting electromagnetic valve 16, perching knife inclination electromagnetic valve 17 and ridge buster lifting electromagnetic valve 18, and perching knife lifting electromagnetic valve 16, perching knife inclination electromagnetic valve 17 and ridge buster lifting electromagnetic valve 18 all are connected with controller 3 outputs.
Described hydraulic system executing agency 5 comprises perching knife 19 and ridge buster 20, and perching knife 19 is connected with perching knife inclination electromagnetic valve 17 with perching knife lifting electromagnetic valve 16, and ridge buster 20 is connected with ridge buster lifting electromagnetic valve 18.
The operating principle of this specific embodiment: the controller collection in conjunction with current output information, by logical calculated and the judgement of inside, is carried out corresponding signal output from control crank, vehicle operating sensing mechanism and inner input message.Output signal is directly controlled the break-make of electromagnetic valve mechanism, causes thus the variation of hydraulic system executing agency oil circuit, realizes different output.
The beneficial effect of this specific embodiment is: 1, adopt the electric-controlled hydraulic proportion pilot to control, can realize fine manipulation; 2, Electric signal processing and transmission are very convenient, the signal of telecommunication and hydraulic technique are combined just formed electrohydraulic control technology; 3, due to control crank output be the signal of telecommunication fully, therefore can carry out remote operation and control; 4, the master controller of electrohydraulic control system can be accepted other signals of complete machine, as the fault-signal that produces in the real-time running state of bulldozer, running and Automatic Levelling signal of equipment etc., improve the security performance of bulldozer operation, for automation, the intellectuality of bulldozer complete machine lays the foundation.
Specific embodiment of the utility model does not consist of restriction of the present utility model, and every employing analog structure of the present utility model and variation are all in protection domain of the present utility model.
Claims (5)
1. bulldozer working device electrohydraulic control system, it is characterized in that: comprise control crank (1), vehicle operating sensing mechanism (2), controller (3), electromagnetic valve mechanism (4) and hydraulic system executing agency (5), control crank (1) is connected with the input of vehicle operating sensing mechanism (2) with controller (3), and the output of controller (3) is connected with hydraulic system executing agency (5) by electromagnetic valve mechanism (4).
2. a kind of bulldozer working device electrohydraulic control system as claimed in claim 1, it is characterized in that: described control crank (1), comprise perching knife joystick (6) and ridge buster joystick (7), perching knife joystick (6) all is connected with controller (3) input with ridge buster joystick (7).
3. a kind of bulldozer working device electrohydraulic control system as claimed in claim 1, it is characterized in that: described vehicle operating sensing mechanism (2), comprise velocity sensor (8), hydraulic oil temperature sensor (9), coil cooling-water temperature transmitter (10), perching knife levelling analogue type recoil simulator (11), key switch (12), equipment locking switch (13), ridge buster locking switch (14) and avoid hydraulic filter switch (15), velocity sensor (8), hydraulic oil temperature sensor (9), coil cooling-water temperature transmitter (10), perching knife levelling analogue type recoil simulator (11), key switch (12), equipment locking switch (13), ridge buster locking switch (14) with avoid hydraulic filter switch (15) and all be connected with controller (3) input.
4. a kind of bulldozer working device electrohydraulic control system as claimed in claim 1, it is characterized in that: described electromagnetic valve mechanism (4), comprise perching knife lifting electromagnetic valve (16), perching knife inclination electromagnetic valve (17) and ridge buster lifting electromagnetic valve (18), perching knife lifting electromagnetic valve (16), perching knife inclination electromagnetic valve (17) and ridge buster lifting electromagnetic valve (18) all are connected with controller (3) output.
5. a kind of bulldozer working device electrohydraulic control system as claimed in claim 1, it is characterized in that: described hydraulic system executing agency (5), comprise perching knife (19) and ridge buster (20), perching knife (19) is connected with perching knife inclination electromagnetic valve (17) with perching knife lifting electromagnetic valve (16), and ridge buster (20) is connected with ridge buster lifting electromagnetic valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220549235.2U CN202936823U (en) | 2012-10-25 | 2012-10-25 | Electrohydraulic control system of working device of bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220549235.2U CN202936823U (en) | 2012-10-25 | 2012-10-25 | Electrohydraulic control system of working device of bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202936823U true CN202936823U (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220549235.2U Expired - Fee Related CN202936823U (en) | 2012-10-25 | 2012-10-25 | Electrohydraulic control system of working device of bulldozer |
Country Status (1)
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| CN (1) | CN202936823U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448718A (en) * | 2013-05-24 | 2013-12-18 | 山推工程机械股份有限公司 | Full-hydraulic bulldozer |
| CN104790446A (en) * | 2015-04-21 | 2015-07-22 | 山推工程机械股份有限公司 | Transmission oil temperature control system for full hydraulic bulldozer, bulldozer and control method |
| CN105002943A (en) * | 2015-07-17 | 2015-10-28 | 山推工程机械股份有限公司 | Control system and method of working device of remote control bulldozer |
| CN107313475A (en) * | 2017-08-15 | 2017-11-03 | 山推工程机械股份有限公司 | A kind of bull-dozer ridge buster control system and its control method |
-
2012
- 2012-10-25 CN CN201220549235.2U patent/CN202936823U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448718A (en) * | 2013-05-24 | 2013-12-18 | 山推工程机械股份有限公司 | Full-hydraulic bulldozer |
| CN104790446A (en) * | 2015-04-21 | 2015-07-22 | 山推工程机械股份有限公司 | Transmission oil temperature control system for full hydraulic bulldozer, bulldozer and control method |
| CN105002943A (en) * | 2015-07-17 | 2015-10-28 | 山推工程机械股份有限公司 | Control system and method of working device of remote control bulldozer |
| CN107313475A (en) * | 2017-08-15 | 2017-11-03 | 山推工程机械股份有限公司 | A kind of bull-dozer ridge buster control system and its control method |
| CN107313475B (en) * | 2017-08-15 | 2023-02-21 | 山推工程机械股份有限公司 | Bulldozer ripper control system and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20211025 |