CN206478046U - A kind of coal machine spraying control system - Google Patents
A kind of coal machine spraying control system Download PDFInfo
- Publication number
- CN206478046U CN206478046U CN201720153596.8U CN201720153596U CN206478046U CN 206478046 U CN206478046 U CN 206478046U CN 201720153596 U CN201720153596 U CN 201720153596U CN 206478046 U CN206478046 U CN 206478046U
- Authority
- CN
- China
- Prior art keywords
- coal
- coal machine
- control valve
- valve
- owner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 106
- 238000005507 spraying Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000003921 oil Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000010687 lubricating oil Substances 0.000 claims abstract description 17
- 239000003595 mist Substances 0.000 claims description 4
- 239000010721 machine oil Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model discloses a kind of coal machine spraying control system, including：Pilot operated directional control valve, oil pipe, feed pipe, guide's liquid interface of the hydraulicdirectional control valve is connected by the oil pipe with coal lubricating oil pump, the first passage mouthful of the hydraulicdirectional control valve is connected by the feed pipe with the water side of coal owner's supply channel, the second channel mouthful of the hydraulicdirectional control valve is connected by the feed pipe with the water inlet end of coal owner's supply channel, the water inlet end of the coal owner supply channel is connected by the water supply line with coal machine nozzle, the hydraulicdirectional control valve controls the break-make of first passage mouthful and second channel mouthful according to the oil-feed situation of guide's liquid interface.The utility model is supplied water the daily start and stop of coal machine and spraying chain by pilot operated directional control valve, both can guarantee that coal machine was sprayed at after coal machine starts and has been opened in time, and can realize that coal machine closes spraying in time after shutting down again.
Description
Technical field
The utility model is related to the electromechanical correlative technology field of coal mine fully-mechanized mining, particularly a kind of coal machine spraying control system.
Background technology
The spraying of coal machine is needed to use to be cooled down and dust elimination in coal production.Existing coal machine spraying mainly has inside and outside two
Type, its water source of spraying is from changing train atomizing pump is moved, when coal machine normal boot-strap is run, and spraying pump operation supply coal machine is just
Cooling and dust elimination spray water required for often.
However, when working face coal machine is out of service, existing coal machine spraying needs coal machine driver to be grasped first to console
Workmanship sends instruction, and consing work can stop atomizing pump after instruction is connected to, and causes coal machine to stop in time after shutting down
Only atomizing pump cause cooling water waste and break down can not the device damage that causes of termination of pumping in time, and in actual production by
Noise is larger in working face equipment, shifting changing train pumping plant, belt operation, causes coal machine driver to be transmitted with consing work and believes
It is number not smooth, furthermore when sometimes consing work is not near console, causes atomizing pump to stop in time, cause failure
Influence further expands.
Utility model content
It is necessary to spray for existing coal machine based on this and can not realizes the daily start and stop of coal machine and the chain technology that supplies water of spraying
There is provided a kind of coal machine spraying control system for problem.
The utility model provides a kind of coal machine spraying control system, including：Pilot operated directional control valve, oil pipe, feed pipe, the liquid
Guide's liquid interface of pressure reversal valve is connected by the oil pipe with coal lubricating oil pump, and the first passage mouthful of the hydraulicdirectional control valve passes through
The feed pipe is connected with the water side of coal owner's supply channel, and the second channel mouthful of the hydraulicdirectional control valve is supplied water by described
Pipe is connected with the water inlet end of coal owner's supply channel, and the water inlet end of the coal owner supply channel passes through the water supply line and coal
Machine nozzle is connected, and the hydraulicdirectional control valve controls first passage mouthful and second channel mouthful according to the oil-feed situation of guide's liquid interface
Break-make.
Further, in addition to bypass cutoff valve, described bypass cutoff valve one end passes through the feed pipe and supplied with coal owner
The water side connection of water lines, the other end is connected by the feed pipe with the water inlet end of coal owner's supply channel.
Further, the bypass cutoff valve is manual bypass stop valve.
Further, in addition to atomizing pump, the water inlet end of the coal owner supply channel passes through atomizing pump and the coal machine
Nozzle is connected.
Further, in addition to water filter, the atomizing pump passes through the water filter and the coal machine nozzle
Connection.
Further, in addition to pressure-reducing valve, the coal lubricating oil pump passes through the first drain of pressure-reducing valve and the hydraulicdirectional control valve
Orifice.
Further, in addition to oil strainer, the coal lubricating oil pump passes through the oil strainer and connected with the pressure-reducing valve
It is logical.
Further, the pilot operated directional control valve is 2/2-way pilot operated directional control valve.
The daily start and stop of coal machine and spraying are supplied water chain by pilot operated directional control valve, both can guarantee that coal machine sprayed by the utility model
Mist is opened in time after the startup of coal machine, can realize that coal machine closes spraying in time after shutting down again.
Brief description of the drawings
Fig. 1 is a kind of system schematic of coal machine spraying control system of the utility model.
Embodiment
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
It is a kind of system schematic of coal machine spraying control system of the utility model as shown in Figure 1, including：Pilot operated directional control valve
1st, oil pipe 2, feed pipe 3, guide's liquid interface 103 of the hydraulicdirectional control valve 1 are connected by the oil pipe 2 with coal lubricating oil pump 4, institute
The first passage mouthful 101 for stating hydraulicdirectional control valve 1 is connected by the feed pipe 3 with the water side 5 of coal owner's supply channel, described
The second channel mouthful 102 of hydraulicdirectional control valve 1 is connected by the feed pipe 3 with the water inlet end 6 of coal owner's supply channel, the coal
The water inlet end 6 of owner's supply channel is connected by the water supply line 3 with coal machine nozzle 7, and the hydraulicdirectional control valve 1 is according to elder generation
The oil-feed situation control first passage mouthful and the break-make of second channel mouthful of drain interface.
The break-make of first passage mouthful and the second channel mouth of pilot operated directional control valve 1 is run the high pressure liquid of output by coal lubricating oil pump 4
Force feed control.After coal lubricating oil pump 4 starts, high pressure liquid is acted on guide's liquid interface of pilot operated directional control valve 1, reversal valve elder generation drain
High pressure oil pressure be more than the pressure of contained spring, in the presence of first drain, pilot operated directional control valve 1 is opened, first passage mouthful 101
Turned on second channel mouthful 102, spray water enters in each cooling circuit of coal machine.After coal lubricating oil pump 4 stops, in no hydraulic oil
Under effect, first drain can not continue, due to the effect of itself spring of pilot operated directional control valve 1, and pilot operated directional control valve 1 is closed, first passage
Mouth 101 and second channel mouthful 102 disconnect, and stop spraying.So as to reach that it is chain that the start and stop of coal machine and spraying are supplied water.
The daily start and stop of coal machine and spraying are supplied water chain by pilot operated directional control valve, both can guarantee that coal machine sprayed by the utility model
Mist is opened in time after the startup of coal machine, can realize that coal machine closes spraying in time after shutting down again.
In one of the embodiments, in addition to bypass cutoff valve 8, described one end of bypass cutoff valve 8 passes through described supply water
Pipe 3 is connected with the water side 5 of coal owner's supply channel, the water inlet that the other end passes through the feed pipe 3 and coal owner's supply channel
End 6 is connected.
The present embodiment increase bypass cutoff valve 8, is in normally closed cut-off state, only when hydraulic control is changed when bypass cutoff valve 8 is flat
When needing individually to open the spraying of coal machine under to the failure of valve 1 or inspecting state, the bypass cutoff in parallel with pilot operated directional control valve 1 is just used
Spraying water supply function is realized in valve open and close.
In one of the embodiments, the bypass cutoff valve 8 is manual bypass stop valve.
The present embodiment uses manual bypass stop valve, to ensure to realize out when pilot operated directional control valve 1 breaks down and overhauled
Open closing and realize spraying water supply function.
In one of the embodiments, in addition to atomizing pump 9, the water inlet end 6 of the coal owner supply channel passes through spraying
Pump 9 is connected with the coal machine nozzle 7.
The present embodiment is by atomizing pump 9 to strengthen the spray effect of nozzle 7.
In one of the embodiments, in addition to water filter 10, the atomizing pump 9 passes through the water filter 10 and institute
Coal machine nozzle 7 is stated to connect.
The present embodiment filters the water supply of coal owner's supply channel by water filter 10.
In one of the embodiments, in addition to pressure-reducing valve 11, the coal lubricating oil pump 4 passes through pressure-reducing valve 11 and the hydraulic pressure
Guide's liquid interface 103 of reversal valve 1 is connected.
The present embodiment reduces the oil pressure of the output of coal lubricating oil pump 4 by pressure-reducing valve 11, to use the less demanding liquid of oil pressure
Reversal valve 1 is pressed, so as to reduce cost.
In one of the embodiments, in addition to oil strainer 12, the coal lubricating oil pump 4 by the oil strainer 12 with
The pressure-reducing valve 11 is connected.
The present embodiment is filtered by oil strainer 12 to the oil of coal lubricating oil pump 4.
In one of the embodiments, the pilot operated directional control valve 1 is 2/2-way pilot operated directional control valve.
As the utility model most preferred embodiment, a kind of system schematic of coal machine spraying control system, including：Caliber is
DN32 2/2-way pilot operated directional control valve 1, oil pipe 2, feed pipe 3, caliber is DN32 manual bypass stop valve 8, pilot operated directional control valve 1
It is in parallel with bypass cutoff valve 8 to be concatenated into coal owner's supply channel；
Wherein, guide's liquid interface 103 of hydraulicdirectional control valve 1 is connected by oil pipe 2 with coal lubricating oil pump 4, hydraulicdirectional control valve 1
First passage mouthful 101 is connected by feed pipe 3 with the water side 5 of coal owner's supply channel, the second channel mouthful of hydraulicdirectional control valve 1
102 are connected by feed pipe 3 with the water inlet end 6 of coal owner's supply channel, and hydraulicdirectional control valve 1 is according to the oil-feed feelings of guide's liquid interface
The break-make of condition control first passage mouthful and second channel mouthful.
The water inlet end 6 of coal owner's supply channel is connected by atomizing pump 9, water filter 10 with coal machine nozzle 7, and between frame
Atomizer passgae 13 is then directly connected by atomizing pump 9, water filter 10 with coal machine nozzle 7, with the independence sprayed between retainer
Property.
Coal lubricating oil pump 4 is connected by oil strainer 12, pressure-reducing valve 11 with guide's liquid interface 103 of hydraulicdirectional control valve 1.
Bypass cutoff valve 8 is one group of standby bypass supply channel, is to close under normal circumstances, only in inspecting state or
Opened under one-way valve fault state.
The break-make of first passage mouthful and the second channel mouth of pilot operated directional control valve 1 is run the high pressure liquid of output by coal lubricating oil pump 4
Force feed control.After coal lubricating oil pump 4 starts, obtain fluid from fuel tank 14 and high pressure liquid is acted on to the guide of pilot operated directional control valve 1
On liquid interface, the high pressure oil pressure of reversal valve elder generation drain is more than in the presence of the pressure of contained spring, first drain, liquid controlled reversing
Valve 1 is opened, and first passage mouthful 101 and second channel mouthful 102 are turned on, and spray water enters in each cooling circuit of coal machine.When coal machine oil
After pump 4 stops, under the effect of no hydraulic oil, first drain can not continue, due to the effect of itself spring of pilot operated directional control valve 1, liquid
Control reversal valve 1 is closed, and first passage mouthful 101 and second channel mouthful 102 disconnect, and stop spraying.So as to reach the start and stop of coal machine and spray
It is chain that mist supplies water.
When needing individually to open the spraying of coal machine under the failure of pilot operated directional control valve 1 or inspecting state, using with pilot operated directional control valve 1
Spraying water supply function is realized in the open and close of manual bypass stop valve 8 in parallel.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of coal machine spraying control system, it is characterised in that including：Pilot operated directional control valve, oil pipe, feed pipe, the hydraulic pressure are changed
Connected to guide's liquid interface of valve by the oil pipe with coal lubricating oil pump, the first passage mouthful of the hydraulicdirectional control valve is by described
Feed pipe is connected with the water side of coal owner's supply channel, the second channel of the hydraulicdirectional control valve mouthful by the feed pipe with
The water inlet end connection of coal owner's supply channel, the water inlet end of the coal owner supply channel is sprayed by the water supply line and coal machine
Mist mouthful connection, the hydraulicdirectional control valve controls the logical of first passage mouthful and second channel mouthful according to the oil-feed situation of guide's liquid interface
It is disconnected.
2. coal machine spraying control system according to claim 1, it is characterised in that also including bypass cutoff valve, the side
Logical stop valve one end is connected by the feed pipe with the water side of coal owner's supply channel, the other end by the feed pipe and
The water inlet end connection of coal owner's supply channel.
3. coal machine spraying control system according to claim 2, it is characterised in that the bypass cutoff valve is manual bypass
Stop valve.
4. coal machine spraying control system according to claim 1, it is characterised in that also including atomizing pump, the coal owner
The water inlet end of supply channel is connected by atomizing pump with the coal machine nozzle.
5. coal machine spraying control system according to claim 4, it is characterised in that also including water filter, the spraying
Pump is connected by the water filter with the coal machine nozzle.
6. coal machine spraying control system according to claim 1, it is characterised in that also including pressure-reducing valve, the coal machine oil
Pump is connected by pressure-reducing valve with guide's liquid interface of the hydraulicdirectional control valve.
7. coal machine spraying control system according to claim 6, it is characterised in that also including oil strainer, the coal machine
Oil pump is connected by the oil strainer with the pressure-reducing valve.
8. the coal machine spraying control system according to any one of claim 1~7, it is characterised in that the pilot operated directional control valve
For 2/2-way pilot operated directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153596.8U CN206478046U (en) | 2017-02-21 | 2017-02-21 | A kind of coal machine spraying control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153596.8U CN206478046U (en) | 2017-02-21 | 2017-02-21 | A kind of coal machine spraying control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478046U true CN206478046U (en) | 2017-09-08 |
Family
ID=59747846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720153596.8U Active CN206478046U (en) | 2017-02-21 | 2017-02-21 | A kind of coal machine spraying control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488296A (en) * | 2019-01-03 | 2019-03-19 | 天地科技股份有限公司上海分公司 | External spraying auto-increasing pressure and system built in coalcutter |
-
2017
- 2017-02-21 CN CN201720153596.8U patent/CN206478046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488296A (en) * | 2019-01-03 | 2019-03-19 | 天地科技股份有限公司上海分公司 | External spraying auto-increasing pressure and system built in coalcutter |
| CN109488296B (en) * | 2019-01-03 | 2024-05-03 | 天地科技股份有限公司上海分公司 | Automatic pressurizing method and system for built-in external spraying of coal mining machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2935771B1 (en) | DEVICE FOR CONTROLLING THE SUPPLY OF A SYSTEM WITH A FLUID | |
| CN206478046U (en) | A kind of coal machine spraying control system | |
| CN204610393U (en) | A kind of hydraulic emergency feed circuit | |
| CN105126427A (en) | Mining full-automatic on-line continuous work backwashing high-pressure filter | |
| CN211010091U (en) | Pump station system for controlling hydropower station disc valve | |
| CN104806406A (en) | Normally closed electro-mechanical hybrid high-pressure oil pump | |
| CN106337848A (en) | Hydraulic power unit | |
| CN104314923B (en) | A kind of relief valve return liquid system and integrated relief valve return liquid valve block | |
| CN105041406A (en) | Independent hydraulic oil supply system of marine low-speed diesel engine | |
| CN202865911U (en) | Water supply system | |
| CN214499592U (en) | Two-way speed governing hydraulic pressure valves | |
| CN204704187U (en) | Overload unloading valve | |
| CN202140378U (en) | Oil suction and return filter system for protecting two-way check valve | |
| CN208397667U (en) | A kind of lubricating oil station applied to bulb-type hydraulic generating set jacked up with high pressure | |
| CN203685778U (en) | Power station duplex filter bypass device | |
| CN202326527U (en) | Closed hydraulic loop and concrete pumping equipment | |
| CN109488296B (en) | Automatic pressurizing method and system for built-in external spraying of coal mining machine | |
| CN203065074U (en) | Winding motor hydraulic system and rotary drilling rig | |
| CN208204500U (en) | A kind of oil supply system for rock drill lubrication | |
| CN207728858U (en) | Novel injection lubricating arrangement | |
| CN206000674U (en) | A kind of automatic air supply device of the governor oil pressure device for power station | |
| CN101670571B (en) | Dismounting device of hydraulic cylinder | |
| CN207729215U (en) | Intelligence injection lubricating arrangement | |
| CN205316008U (en) | Transfer chain intelligence lubricating system | |
| CN201858505U (en) | Oil mist automatic lubricating system for rock drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |