CN201714382U - Walking control system for hydraulic traction coal mining machine - Google Patents
Walking control system for hydraulic traction coal mining machine Download PDFInfo
- Publication number
- CN201714382U CN201714382U CN2010201611264U CN201020161126U CN201714382U CN 201714382 U CN201714382 U CN 201714382U CN 2010201611264 U CN2010201611264 U CN 2010201611264U CN 201020161126 U CN201020161126 U CN 201020161126U CN 201714382 U CN201714382 U CN 201714382U
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- hydraulic
- pump
- oil
- regulating valve
- control system
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Abstract
The utility model relates to a walking control system for a hydraulic traction coal mining machine, which belongs to a part of a hydraulic system of the hydraulic traction coal mining machine. The traction direction of the coal mining machine can be changed manually and electrically and particularly, the walking speed of the coal mining machine can be regulated electrically and proportionally. The walking control system is provided with a pump, a hydraulic control handle, a pressure regulating valve, a motor and an oil tank, wherein an auxiliary pump and a main pump are arranged in the pump; the oil inlet and outlet of the main pump are connected with the motor; two control oil ports of a variable device in the main pump are connected with the pressure regulating valve and the oil inlet of the hydraulic control handle respectively; and the oil return port of the pressure regulating valve is connected with the oil tank. The walking control system has the advantages of realizing manual and electric control modes, mainly solving the problem that walking of the hydraulic traction coal mining machine cannot be controlled electrically, particularly realizing electric and proportional regulation of the walking speed of the coal mining machine and improving the work efficiency of the coal mining machine.
Description
Technical field
The utility model relates to a kind of hydraulic haulage shearer traveling control system, and it can change the shearer haulage direction by manual and electronic dual mode, especially can realize the automatically controlled ratio adjusting coal-winning machine speed of travel.A part that belongs to the hydraulic haulage shearer hydraulic system.
Background technology
The hydraulic haulage shearer installed power is little, and structure is compact especially.Be used for thin seam working surface, traveling control system is the coal-mining machine hydraulic system important component part more, and it is used for realizing that hydraulic haulage shearer back and forth walks, brakes.Early the hydraulic haulage shearer traveling control system generally all adopts a kind of complex mechanical construction to change enclosed variable pump oil inlet and outlet and variable adjusting, and only limits manual adjustments control.Such control section complex structure, often break down, and because coal-winning machine self space is narrow and small, simultaneously in underground work, operational failure and diagnosis and repair are very inconvenient, add the control system that the Remote control valve group adds the hydraulic control handle and existing hydraulic haulage shearer traveling control system is many with variable pump, though changed the control mode of former complexity, but also can only realize manual control, can't realize automatically controlled or remote control control.
The utility model content
The purpose of this utility model is to provide a kind of traveling control system that is used for hydraulic haulage shearer, it can be realized manually and electronic two kinds of control modes, mainly solve the hydraulic haulage shearer walking and can't realize electronic control, especially can realize the automatically controlled ratio adjusting coal-winning machine speed of travel, improve the operating efficiency of coal-winning machine.
The technical solution of the utility model is:
A kind of hydraulic haulage shearer traveling control system, this traveling control system is provided with pump, hydraulic control handle, pressure-regulating valve, motor, fuel tank, be provided with auxiliary pump and main pump in the pump, the oil inlet and outlet of main pump connects motor, two of variable device control port connects two oil-outs of pressure-regulating valve and hydraulic control handle in the main pump, the inlet port of auxiliary pump connects fuel tank, and the oil-out of auxiliary pump connects the oil-in of pressure-regulating valve and hydraulic control handle respectively, and the oil return opening of pressure-regulating valve connects fuel tank.
Described hydraulic haulage shearer traveling control system, main pump are plunger variable pump, and working method is an enclosed, and the variable device of main pump is the manual servomechanism installation of hydraulic control.
Described hydraulic haulage shearer traveling control system, pressure-regulating valve are the pressure-regulating valve of electric proportional control.
Described hydraulic haulage shearer traveling control system, the variable device control port of the oil-out of hydraulic control handle, the oil-out of pressure-regulating valve, main pump connects by three-way shuttle valve.
The beneficial effects of the utility model are:
1, the utility model hydraulic haulage shearer traveling control system has changed the control mode of original hydraulic haulage shearer traction walking, and it can realize the manual and electronic two kinds of control modes of hydraulic haulage shearer walking.
2, the utility model hydraulic haulage shearer traveling control system can be realized the automatically controlled ratio adjusting coal-winning machine speed of travel.
Description of drawings
Fig. 1 is the utility model hydraulic haulage shearer traveling control system structure chart.
1 fuel tank among the figure; 2 pumps (built-in auxiliary pump is used for repairing and control); 3 three-way shuttle valve; 4 pressure-regulating valves; 5 hydraulic control handles; 6 motors; 7 auxiliary pumps; 8 main pumps.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, the utility model hydraulic haulage shearer traveling control system mainly comprises: fuel tank 1, pump 2, three-way shuttle valve 3, pressure-regulating valve 4, hydraulic control handle 5, motor 6 etc., be provided with auxiliary pump 7 and main pump 8 in the pump 2, wherein: auxiliary pump 7 is general hydraulic pump, is used for repairing and control; Main pump 8 is a plunger variable pump, and working method is an enclosed, and the variable device in the main pump 8 is that hydraulic control is manually servo, is used for to the motor fuel feeding.The oil inlet and outlet of main pump 8 connects motor 6, two of variable device control port connects two oil-outs of pressure-regulating valve 4 and hydraulic control handle 5 in the main pump 8, the inlet port of auxiliary pump 7 connects fuel tank 1, the oil-out of auxiliary pump 7 connects the oil-in of pressure-regulating valve 4 and hydraulic control handle 5 respectively, and the oil return opening of pressure-regulating valve 4 connects fuel tank 1.
In the utility model, pressure-regulating valve 4 is the pressure-regulating valve of electric proportional control.
In the utility model, the oil-out of the oil-out of hydraulic control handle 5, pressure-regulating valve 4, the variable device control port of main pump 8 connect by three-way shuttle valve 3.
The course of work of the present utility model is as follows:
The auxiliary pump 7 of pump 2 is got hydraulic oil and is given closed system pipeline and pressure-regulating valve 4 and hydraulic control handle 5 from fuel tank 1 oil suction.When needs are manually walked, press hydraulic control handle 5 one of them handle, the hydraulic oil that the auxiliary pump 7 of pump 2 is got enters the variable device of main pump 8 through hydraulic control handle 5, the main pump swash plate angle of main pump 8 increases like this, the hydraulic oil of main pump 8 is given motor 6, motor 6 begins rotation, and coal-winning machine is just realized walking.Equally, press another handle of hydraulic control handle 5, coal-winning machine is walking round about just.In the needs electric walking, an electromagnet of pressure-regulating valve 4 gets, the hydraulic oil that the auxiliary pump 7 of pump 2 is got enters the variable device of main pump 8 through pressure-regulating valve 4, the main pump swash plate angle of main pump 8 increases like this, the hydraulic oil of main pump 8 is given motor 6, motor 6 begins rotation, and coal-winning machine is just realized walking.Equally, another electromagnet of pressure-regulating valve 4 gets electric, and coal-winning machine is walking round about just.When electronic control, regulate the size of control electric current, the variation thereupon of the valve port size of pressure-regulating valve 4 just realizes the automatically controlled ratio adjusting coal-winning machine speed of travel.
Claims (4)
1. hydraulic haulage shearer traveling control system, it is characterized in that: this traveling control system is provided with pump, hydraulic control handle, pressure-regulating valve, motor, fuel tank, be provided with auxiliary pump and main pump in the pump, the oil inlet and outlet of main pump connects motor, two of variable device control port connects two oil-outs of pressure-regulating valve and hydraulic control handle in the main pump, the inlet port of auxiliary pump connects fuel tank, the oil-out of auxiliary pump connects the oil-in of pressure-regulating valve and hydraulic control handle respectively, and the oil return opening of pressure-regulating valve connects fuel tank.
2. according to the described hydraulic haulage shearer traveling control system of claim 1, it is characterized in that: main pump is a plunger variable pump, and working method is an enclosed, and the variable device of main pump is the manual servomechanism installation of hydraulic control.
3. according to the described hydraulic haulage shearer traveling control system of claim 1, it is characterized in that: pressure-regulating valve is the pressure-regulating valve of electric proportional control.
4. according to the described hydraulic haulage shearer traveling control system of claim 1, it is characterized in that: the variable device control port of the oil-out of hydraulic control handle, the oil-out of pressure-regulating valve, main pump connects by three-way shuttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201611264U CN201714382U (en) | 2010-04-16 | 2010-04-16 | Walking control system for hydraulic traction coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201611264U CN201714382U (en) | 2010-04-16 | 2010-04-16 | Walking control system for hydraulic traction coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714382U true CN201714382U (en) | 2011-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201611264U Expired - Fee Related CN201714382U (en) | 2010-04-16 | 2010-04-16 | Walking control system for hydraulic traction coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714382U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352876A (en) * | 2011-09-22 | 2012-02-15 | 中联重科股份有限公司 | Control system for variable pump and hydraulic walking arrangement |
| WO2013040780A1 (en) * | 2011-09-22 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Control system for variable displacement pump and hydraulic travelling equipment |
| CN103062141A (en) * | 2012-12-21 | 2013-04-24 | 三一重型装备有限公司 | Track traveling mechanism, hydraulic system thereof and engineering machinery |
| CN103470257A (en) * | 2013-08-20 | 2013-12-25 | 江苏中机矿山设备有限公司 | Drilling type coal winning machine for large-dip-angle coal seams |
| CN107237785A (en) * | 2017-07-25 | 2017-10-10 | 江苏谷登工程机械装备有限公司 | A kind of pressure cut off control system of external enclosed pump |
| CN109826841A (en) * | 2019-04-11 | 2019-05-31 | 北京拓疆者智能科技有限公司 | A kind of engineering machinery hydraulic control system |
-
2010
- 2010-04-16 CN CN2010201611264U patent/CN201714382U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352876A (en) * | 2011-09-22 | 2012-02-15 | 中联重科股份有限公司 | Control system for variable pump and hydraulic walking arrangement |
| WO2013040780A1 (en) * | 2011-09-22 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Control system for variable displacement pump and hydraulic travelling equipment |
| CN103062141A (en) * | 2012-12-21 | 2013-04-24 | 三一重型装备有限公司 | Track traveling mechanism, hydraulic system thereof and engineering machinery |
| CN103470257A (en) * | 2013-08-20 | 2013-12-25 | 江苏中机矿山设备有限公司 | Drilling type coal winning machine for large-dip-angle coal seams |
| CN103470257B (en) * | 2013-08-20 | 2015-07-15 | 江苏中机矿山设备有限公司 | Drilling type coal winning machine for large-dip-angle coal seams |
| CN107237785A (en) * | 2017-07-25 | 2017-10-10 | 江苏谷登工程机械装备有限公司 | A kind of pressure cut off control system of external enclosed pump |
| CN107237785B (en) * | 2017-07-25 | 2019-03-12 | 江苏谷登工程机械装备有限公司 | A kind of pressure cut off control system of external enclosed pump |
| CN109826841A (en) * | 2019-04-11 | 2019-05-31 | 北京拓疆者智能科技有限公司 | A kind of engineering machinery hydraulic control system |
| CN109826841B (en) * | 2019-04-11 | 2024-02-13 | 北京拓疆者智能科技有限公司 | Engineering machinery hydraulic control system |
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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: 20110119 Termination date: 20160416 |