CN208168873U - Fully-mechanized digging machine with hydroelectric locking device - Google Patents
Fully-mechanized digging machine with hydroelectric locking device Download PDFInfo
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- CN208168873U CN208168873U CN201820717402.7U CN201820717402U CN208168873U CN 208168873 U CN208168873 U CN 208168873U CN 201820717402 U CN201820717402 U CN 201820717402U CN 208168873 U CN208168873 U CN 208168873U
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- mechanized digging
- digging machine
- sparge pipe
- water supply
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Abstract
The utility model relates to a kind of fully-mechanized digging machines with hydroelectric locking device.To fill up prior art blank; this fully-mechanized digging machine with hydroelectric locking device includes electric cabinet, sparge pipe and water supply electromagnetic valve; fully-mechanized digging machine programmable controller and emergency stop circuit are equipped in electric cabinet; fully-mechanized digging machine programmable controller is set there are two emergent stop signal output connecting pin; above-mentioned emergent stop signal output connecting pin accesses emergency stop circuit; the sparge pipe front end is equipped with atomizer, and water supply electromagnetic valve is arranged on sparge pipe.Sparge pipe between water supply electromagnetic valve and atomizer is equipped with pressure sensor, which is connected by cable with the signal input part of fully-mechanized digging machine programmable controller.It is designed in this way, can prevent in anhydrous situation, fully-mechanized digging machine booting operation.The utility model structure is simple, reliable for operation, safe and efficient, is widely used in various mines.
Description
Technical field
The utility model relates to a kind of fully-mechanized digging machines with hydroelectric locking device.
Background technique
Driver of roadheader at work, seeks job schedule sometimes, is power-on operation in anhydrous situation, leads to comprehensive pick
It meets head on to generate a large amount of coal dust, first is that causing working environment severe, serious harm is brought to worker's health；Second is that easily causing
Coal dust explosion hazard；Third is that fully-mechanized digging machine hydraulic system cannot be cooled down effectively and temperature is caused to increase, hydraulic fittings event is easily caused
Barrier.
Utility model content
The technical problems to be solved in the utility model is how to fill up the above-mentioned blank of the prior art, is provided a kind of with water
The fully-mechanized digging machine of electric locking device.
In order to solve the above technical problems, this fully-mechanized digging machine with hydroelectric locking device includes electric cabinet, sparge pipe and water supply
Solenoid valve is equipped with fully-mechanized digging machine programmable controller and emergency stop circuit in electric cabinet, sets that there are two emergency stops on fully-mechanized digging machine programmable controller
Signal output connecting pin, above-mentioned emergent stop signal output connecting pin access emergency stop circuit, and the sparge pipe front end is equipped with atomizer, supply water
Solenoid valve is arranged on sparge pipe.Sparge pipe between water supply electromagnetic valve and atomizer is equipped with pressure sensor, which passes
Sensor is connected by cable with the signal input part of fully-mechanized digging machine programmable controller.Fully-mechanized digging machine programmable controller and emergency stop circuit referring to
CN 202165085 U。
Fully-mechanized digging machine first opens water supply electromagnetic valve before booting, makes cutting units and fuselage atomizing de-dusting, if cutting off the water, fully-mechanized digging machine is closed
Lock cannot be switched on.
Pressure sensor is added in fully-mechanized digging machine sparge pipe, when water supply is opened, it is comprehensive that pressure sensor generates signal input
In the emergency stop circuit of pick machine programmable controller, fully-mechanized digging machine obtains electricity operation at this time.
When cutting off the water or authorized pressure is not achieved for pressure of supply water, pressure sensor no signal is input to fully-mechanized digging machine programming Control
In the emergency stop circuit of device, the display locking of emergency stop circuit, fully-mechanized digging machine has a power failure out of service automatically at this time.It is designed in this way, can prevent
In anhydrous situation, fully-mechanized digging machine booting operation.
The utility model has the fully-mechanized digging machine of hydroelectric locking device, by the way that pressure sensing is added in fully-mechanized digging machine water system
After device, it can effectively prevent and be in the presence of being switched on not boiled water, ensure that the dust-proof requirement of working face, avoid because of fully-mechanized digging machine hydraulic pressure system
System cannot be cooled down effectively and temperature is caused to increase, and cause hydraulic fittings failure, have structure simple, reliable for operation, safe high
The advantages of effect, is widely used in various mines.
Detailed description of the invention
This fully-mechanized digging machine with hydroelectric locking device is described further with reference to the accompanying drawing：
Fig. 1 is the structural schematic diagram of this fully-mechanized digging machine embodiment one with hydroelectric locking device；
Fig. 2 is this hydraulic normally closed switch of fully-mechanized digging machine embodiment two and emergency stop circuit with hydroelectric locking device anhydrous
In the case of the schematic diagram that is latched；
Fig. 3 is a hydraulic normally closed switch for the fully-mechanized digging machine embodiment two with hydroelectric locking device and emergency stop circuit in water
Under normal circumstances, hydraulic normally closed switch disconnects pressure, the schematic diagram that fully-mechanized digging machine can work normally.
In figure：1 it is sparge pipe, 2 be water supply electromagnetic valve, 3 be fully-mechanized digging machine programmable controller, 4 be emergency stop circuit, 5 is emergency stop
Signal output connecting pin, 6 be atomizer, 7 be pressure sensor, 8 be normally closed switch, 9 be reset spring, 10 be seal box, 11
It is mouthpiece for top plate, 12,13 be straight-tube type, 14 be sealing piston, 15 be insulating mineral oil, 16 be aqueduct, 17 is stationary contact
Point, 18 be movable contact spring, 19 be basal disc, 20 be through-hole, 21 be insulated column, 22 be insulating disc, 23 be limit inner protuberant ring.
Specific embodiment
Embodiment one：As shown in Figure 1, this fully-mechanized digging machine with hydroelectric locking device includes electric cabinet, sparge pipe 1 and supplies
Water solenoid valve 2, electric cabinet is interior to be equipped with fully-mechanized digging machine programmable controller 3 and emergency stop circuit 4, and fully-mechanized digging machine programmable controller 3 is equipped with two
A emergent stop signal output connecting pin 5, above-mentioned emergent stop signal output connecting pin 5 access emergency stop circuit 4, and 1 front end of sparge pipe is equipped with mist
Change nozzle 6, water supply electromagnetic valve 2 is arranged on sparge pipe 1, it is characterised in that：Water spray between water supply electromagnetic valve 2 and atomizer 6
Pipe 1 is equipped with pressure sensor 7, which passes through the signal input part phase of cable and fully-mechanized digging machine programmable controller 3
Even.
Embodiment two：As shown in Figure 2,3：Also be parallel between two emergent stop signal output connecting pins 5 one it is hydraulic normally closed
Switch, the hydraulic normally closed switch include normally closed switch 8, reset spring 9 and seal box 10, and the seal box 10 is in flat round box
Shape, top plate 11 is made of elastic sheet iron, and is recessed inwardly, which is equipped with mouthpiece 12, on the mouthpiece 12
It is connected with a straight-tube type 13, sealing piston 14 is equipped in the straight-tube type 13, the seal box 10 is interior filled with insulating mineral oil 15, and
It is closed by sealing piston 14,13 outer end of straight-tube type passes through the sparge pipe between aqueduct 16, with water supply electromagnetic valve 2, atomizer 6
1 communicates, and the normally closed switch 8 is fixed on 11 top of top plate of seal box 10, which includes two stationary contacts 17 and one
A movable contact spring 18, two stationary contacts 17 are fixed on the upper surface of a basal disc 19, and through-hole 20, the dynamic touching are provided on basal disc 19
An insulated column 21 is fixed among piece 18, the insulated column 21 is passed down through the through-hole 20, and 21 lower end of insulated column is fixed on
On one insulating disc 22, for 9 sets of the reset spring on insulated column 21,9 upper and lower ends of reset spring are against insulating disc 22 respectively
On basal disc 19, reset spring 9 is against the insulating disc 22 on the top plate 11 of seal box 10, and limit is additionally provided in straight-tube type 13
Inner protuberant ring 23, the sealing piston 14 are limited between limit inner protuberant ring 23 and mouthpiece 12, remaining structure such as embodiment
Shown in one, slightly.
When water supply electromagnetic valve 2 is opened, hydraulic pressure is normal in sparge pipe 1, and part water enters straight-tube type 13 by aqueduct 16,
The sealing piston 14 in straight-tube type 13 is pushed, and then causes drum on the top plate 11 of seal box 10, drives insulating disc 22, insulated column 21
It is moved up with movable contact spring 18, is detached from stationary contact 17, emergency stop circuit 4 disconnects, and fully mechanized mining machine can operate normally, as shown in Figure 3.
When water supply electromagnetic valve 2 is closed, hydraulic pressure is reduced in sparge pipe 1, and the top plate 11 and reset spring 9 of seal box 10 return
Bullet, movable contact spring 18 reset, and emergency stop circuit 4 is closed, and fully mechanized mining machine is fail to open by emergency stop, and fully mechanized mining machine is unable to operate normally, such as Fig. 2
It is shown.
Embodiment realizes the electric appliance water power of fully-mechanized digging machine using process control first is that by fully-mechanized digging machine programmable controller 3
Locking, has prevented fully-mechanized digging machine anhydrous operation.Embodiment two increases hydraulic normally closed switch, by hydraulic drive, realizes pure machine
The locking of tool water power.When electric appliance water power, which is latched, to fail, purely mechanical water power locking remains to the normal effect of waving.
Claims (1)
1. a kind of fully-mechanized digging machine with hydroelectric locking device, including electric cabinet, sparge pipe and water supply electromagnetic valve, it is equipped in electric cabinet
Fully-mechanized digging machine programmable controller and emergency stop circuit, set that there are two emergent stop signal output connecting pin, above-mentioned urgency on fully-mechanized digging machine programmable controller
Stop signal output connecting pin access emergency stop circuit, the sparge pipe front end is equipped with atomizer, and water supply electromagnetic valve is arranged on sparge pipe,
It is characterized in that：Sparge pipe between water supply electromagnetic valve and atomizer is equipped with pressure sensor, which passes through
Cable is connected with the signal input part of fully-mechanized digging machine programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717402.7U CN208168873U (en) | 2018-05-14 | 2018-05-14 | Fully-mechanized digging machine with hydroelectric locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717402.7U CN208168873U (en) | 2018-05-14 | 2018-05-14 | Fully-mechanized digging machine with hydroelectric locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208168873U true CN208168873U (en) | 2018-11-30 |
Family
ID=64366782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820717402.7U Active CN208168873U (en) | 2018-05-14 | 2018-05-14 | Fully-mechanized digging machine with hydroelectric locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208168873U (en) |
-
2018
- 2018-05-14 CN CN201820717402.7U patent/CN208168873U/en active Active
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