CN214464348U - A circulation hinders and changes device for collecting space area remains coal - Google Patents
A circulation hinders and changes device for collecting space area remains coal Download PDFInfo
- Publication number
- CN214464348U CN214464348U CN202120611542.8U CN202120611542U CN214464348U CN 214464348 U CN214464348 U CN 214464348U CN 202120611542 U CN202120611542 U CN 202120611542U CN 214464348 U CN214464348 U CN 214464348U
- Authority
- CN
- China
- Prior art keywords
- coal
- spraying
- hydraulic support
- machine hydraulic
- base
- 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
Images
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model discloses a circulation hinders and ization device for goaf coal remain, including set up on the base of coal-winning machine hydraulic support group and along the direction of goaf width lay the direction of direction base and on the reciprocating sliding sprinkler of direction base, coal-winning machine hydraulic support group includes a plurality of coal-winning machine hydraulic support, the direction base includes a plurality of direction units, sprinkler sprays the stopping agent to the goaf behind the coal-winning machine hydraulic support; and a signal sensing mechanism used for controlling the spraying device to work is arranged between every two adjacent guide units and comprises an infrared signal transmitter and an infrared signal receiver. The utility model discloses in time carrying out the stopping agent to the collecting space area at coal-winning machine hydraulic support rear in the work of coal-winning machine hydraulic support and spraying, make the fire-retardant region in collecting space area do not have the dead angle, guarantee coal mining work's safety, convenient to popularize and use.
Description
Technical Field
The utility model belongs to the technical field of coal mine safety equipment, concretely relates to circulation that is used for collecting space area to lose coal hinders and changes device.
Background
In the coal mining process, underground coal resources need to be mined and transported away, tunnels from underground coal positions to coal mine mouths are gradually opened by adopting a method similar to a method of passing through mountains and tunnels on roads in the tunneling process, ores, coals and the like encountered in the mining process are generally transported to the ground so as to form a reasonable transportation and mining operation surface, and a coal goaf is formed underground along with continuous transportation of the coals and other ores. The application of different mining technologies lets the spontaneous combustion problem of collecting space area coal alleviate to some extent, but collecting space area remains the coal, it is still comparatively general to lose the coal condition, coal face is because mobility and can not absolute sealed characteristic, the air current leaks to collecting space area in the mine, make oxygen in the air and coal take place slow oxidation reaction, the release heat, when the heat accumulation to certain extent, the coal body begins to burn, finally take place the spontaneous combustion of the common collecting space area coal in reality, serious can arouse the conflagration of large tracts of land, gas explosion even.
The existing technology for preventing coal spontaneous combustion by spraying inhibitor to the goaf under the mine generally adopts the modes of spraying on the surface of a coal seam and injecting coal body by using a drill hole. The surface spraying is to spray from the support clearance to the goaf, every 5 groups of supports are sprayed for 1 time, each time at least 6min, and the flow is not less than 35L/min; and (3) drilling, pressing and injecting the inhibitor to the coal body which can be oxidized or already starts to be oxidized and generate heat. However, these methods all have the disadvantages that the inhibitor is not easy to be sprayed uniformly, the flame retardant effect is not uniform, the spraying points are far apart, the coverage area is easily affected by environmental factors, the amount of the inhibitor required for one time is large, the cost is high, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in not enough to above-mentioned prior art, a circulation hinders and changes device for goaf remains coal is provided, its novel in design is reasonable, hinder the reagent to the goaf at current propulsive coal-winning machine hydraulic support rear when sprinkler positive displacement and spray, hinder the reagent to the goaf at side propulsive coal-winning machine hydraulic support rear on sprinkler reverse displacement and spray, control shower nozzle subassembly reversal in order to adapt to the demand of spraying of different strokes between positive displacement and reverse displacement, afterwards, hinder the reagent and spout at initial guide unit position to initial guide unit place coal-winning machine hydraulic support rear, make the fire-retardant regional no dead angle in goaf, guarantee coal mining work's safety, and the popularization and use is convenient.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a circulation hinders and makes device for collecting space area remains coal which characterized in that: the device comprises a guide base and a spraying device, wherein the guide base is arranged on a base of a coal mining machine hydraulic support group and is distributed along the width direction of a gob, the spraying device slides on the guide base in a reciprocating manner, the coal mining machine hydraulic support group comprises a plurality of coal mining machine hydraulic supports, the guide base comprises a plurality of guide units, the guide units and the coal mining machine hydraulic supports are the same in number and correspond to each other one by one, and the spraying device sprays a stopping agent to the gob behind the coal mining machine hydraulic supports;
a signal sensing mechanism used for controlling the spraying device to work is arranged between every two adjacent guide units, and the signal sensing mechanism comprises an infrared signal transmitter arranged at the end part of one guide unit and an infrared signal receiver arranged at the end part of the other guide unit and matched with the infrared signal transmitter;
the spraying device comprises a movable base, a storage tank, a telescopic discharge pipe, a spray head assembly and a rotation control mechanism, wherein the movable base is moved along the guide unit, the storage tank is arranged on the movable base, the telescopic discharge pipe is communicated with the inside of the storage tank and stretches along the advancing direction of the hydraulic support of the coal mining machine, the spray head assembly is rotatably connected with the telescopic discharge pipe and is used for spraying a stopping agent to a goaf behind the hydraulic support of the coal mining machine, and the rotation control mechanism is used for controlling the spray head assembly to rotate by taking the central line of the telescopic discharge pipe as a rotating shaft.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the laser spraying device comprises a guide base, a spraying device and a guide unit, wherein the guide unit is arranged at one end of the guide base, a first position sensing device for sensing the position of the spraying device is arranged on the guide unit, the guide unit is arranged at the other end of the guide base, a second position sensing device for sensing the position of the spraying device is arranged on the guide unit, and the first position sensing device and the second position sensing device are laser opposite emitters.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the shower nozzle subassembly include with flexible discharging pipe rotate the spray tube of connecting, keep away from the hollow reposition of redundant personnel seat of flexible discharging pipe one end intercommunication with the spray tube and with the nozzle mount pad of hollow reposition of redundant personnel seat intercommunication and set up the nozzle on the nozzle mount pad, be provided with two magnetic hose between hollow reposition of redundant personnel seat and the nozzle mount pad, magnetic hose rotates with hollow reposition of redundant personnel seat to be connected, magnetic hose and nozzle mount pad fixed connection, still be provided with on the hollow reposition of redundant personnel seat and be used for controlling magnetic hose pivoted arc magnetic induction coil, arc magnetic induction coil wears to establish between two magnetic hose.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the rotation control mechanism comprises a driving gear arranged on the outer side of the extending end of the telescopic discharging pipe, a driving motor for controlling the driving gear to rotate and a driven gear fixedly sleeved on the spraying pipe and in transmission connection with the driving gear, and the width of the driven gear is larger than that of the driving gear.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the guiding unit comprises a base arranged on a base of the coal mining machine hydraulic support and guide rails embedded on the base, the upper surfaces of the guide rails are flush, and the infrared signal transmitters and the infrared signal receivers are arranged on the guide rails.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the telescopic discharge pipe is communicated with the storage tank sequentially through the horizontal elbow installation pipe and the vertical elbow pipeline.
The circulation inhibition device for the residual coal in the goaf is characterized in that: the spraying device further comprises a controller, the spraying device and the mobile base are controlled by the controller, and the infrared signal receiver, the first position sensing device and the second position sensing device are all in wireless connection with the controller through the wireless communication module.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up the direction base, the direction base couples together a plurality of coal-winning machine hydraulic support, makes sprinkler can follow the motion of a plurality of coal-winning machine hydraulic support and move, makes the fire-retardant orbit in collecting space area clear, and in addition, the direction base sets up in coal-winning machine hydraulic support, can guarantee sprinkler's safety when not disturbing coal mining work, and the operation process is smooth reliable, and the direction part structure as sprinkler is firm, and the interference killing feature is strong.
2. The utility model discloses a set up signal response mechanism and come automatic judgement two adjacent coal-winning machine hydraulic support whether flush, the sensing signal is accurate, can be accurate to the micron with displacement information in unmanned coal mine, after signal response mechanism response intercommunication, two corresponding guide unit can accurately form sprinkler's removal route, prevent that sprinkler card from stopping, guarantee sprinkler's normal removal, reliable and stable, excellent in use effect.
3. The utility model discloses a set up sprinkler and carry out spraying of stopping agent to coal-winning machine hydraulic support's rear collecting space area, divide the collecting space area wholly into a plurality of subregions according to coal-winning machine hydraulic support and carry out fire-retardant operation, avoid stopping the agent and spray and omit.
4. The utility model discloses a setting up flexible discharging pipe and delivering the shower nozzle to the space between two adjacent crisscross coal-winning machine hydraulic support, stopping spraying of agent afterwards, utilize coal-winning machine hydraulic support working gap to carry out fire-retardant operation ingeniously, do not influence normal coal mining operation, still carried out timely stopping agent spraying operation to the collecting space area at coal-winning machine propulsive in-process simultaneously, the messenger stops the agent and can evenly spray, and is efficient, and the security is good, the material resources of using manpower sparingly.
To sum up, the utility model relates to a novel reasonable, the step is simple, the goaf to current propulsive coal-winning machine hydraulic support rear hinders the reagent and sprays when sprinkler positive displacement, the goaf to side propulsive coal-winning machine hydraulic support rear on current non-propulsive coal-winning machine hydraulic support hinders the reagent and sprays when sprinkler reverse displacement, control shower nozzle subassembly reversal in order to adapt to the demand of spraying of different strokes between positive displacement and reverse displacement, afterwards, hinder the reagent and spout at initial guide unit position to initial guide unit place coal-winning machine hydraulic support rear, make the fire-retardant regional no dead angle in goaf, guarantee coal mining work's safety, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a view showing the expanded state of the telescopic spout shown in FIG. 1.
Fig. 3 is a top view of the spraying device of fig. 1.
Fig. 4 is a rear view of the sprinkler of fig. 1.
Description of reference numerals:
1-hydraulic support of coal mining machine; 2-an infrared signal transmitter; 3-an infrared signal receiver;
4, moving the base; 5-a storage tank; 6, stretching a discharge pipe;
7-a first position sensing device; 8-a second position sensing device; 9-a spray pipe;
10-hollow shunting seat; 11-nozzle mount; 12-a nozzle;
13-magnetic hose; 14-arc magnetic induction coil; 15-a drive gear;
16-a driven gear; 17-a base; 18-a guide rail;
19-horizontal elbow mounting pipe; 20-vertical elbow pipes; 21-driving the motor.
Detailed Description
As shown in fig. 1 to 4, the utility model discloses a circulation hinders and ization device for goaf coal remain, including set up on the base of coal-winning machine hydraulic support group and along the direction of goaf width lay the direction of direction base and at the reciprocal gliding sprinkler in direction base, coal-winning machine hydraulic support group includes a plurality of coal-winning machine hydraulic support 1, direction base includes a plurality of direction units, direction unit and coal-winning machine hydraulic support 1 the same and one-to-one, sprinkler sprays the stopping agent to coal-winning machine hydraulic support 1 rear goaf;
a signal sensing mechanism for controlling the spraying device to work is arranged between every two adjacent guide units, and the signal sensing mechanism comprises an infrared signal transmitter 2 arranged at the end part of one guide unit and an infrared signal receiver 3 arranged at the end part of the other guide unit and matched with the infrared signal transmitter 2;
the spraying device comprises a movable base 4, a storage tank 5, a telescopic discharge pipe 6, a spray head assembly and a rotation control mechanism, wherein the movable base 4 is moved along the guide unit, the storage tank 5 is arranged on the movable base 4, the telescopic discharge pipe 6 is communicated with the interior of the storage tank 5 and stretches and retracts along the advancing direction of the coal mining machine hydraulic support 1, the spray head assembly is rotatably connected with the telescopic discharge pipe 6 and is used for spraying a stopping agent to a goaf behind the coal mining machine hydraulic support 1, and the rotation control mechanism is used for controlling the spray head assembly to rotate by taking the central line of the telescopic discharge pipe 6 as a rotating shaft.
In this embodiment, a liquid supply pump is provided in the storage tank 5.
In this embodiment, infrared signal emitter 2 and infrared signal receiver 3 are adjacent two position about between the guide unit can set up wantonly, and the relative position of infrared signal emitter 2 and infrared signal receiver 3 among a plurality of signal induction mechanism also can be different, makes signal induction mechanism dismantle simple to operate.
In this embodiment, the distance between two adjacent guide units is 90 mm-110 mm, and the movable base 4 can easily pass through the gap and ensure the stable operation of the spraying device.
It should be noted that a plurality of hydraulic supports 1 of the coal mining machine are arranged along a coal face, during actual coal mining operation, the plurality of hydraulic supports 1 of the coal mining machine sequentially advance the coal mining machine, in the process that the plurality of hydraulic supports 1 of the coal mining machine sequentially advance the coal mining machine, a plurality of signal induction mechanisms are connected or disconnected, the connection and disconnection signals of the signal induction mechanisms are used as command signals for moving and spraying of the spraying device, when two adjacent guide units are aligned, the signal induction mechanisms are connected, the spraying device can move from one guide unit to the next guide unit, and spraying of a stopping agent is carried out on a goaf behind the hydraulic support 1 of the coal mining machine where the next guide unit is located through a staggered space between the next guide unit and the next guide unit, so that normal coal mining operation is not affected, meanwhile, the goaf is sprayed with the stopping agent in time in the advancing process of the coal mining machine, so that the stopping agent can be uniformly sprayed, the efficiency is high, the safety is good, and manpower and material resources are saved.
The inhibitor has a two-layer structure, wherein the capsule material senses the change of the environmental temperature, so that a core material with a flame-retardant effect can be released, the core material is sprayed into the goaf, and a layer of bonded flame-retardant layer film can be formed on the surface of the coal falling of the goaf, on one hand, oxygen in air is prevented from contacting with coal, and on the other hand, the flame-retardant material in the goaf can further prevent spontaneous combustion of the coal, so that the inhibitor is sprayed timely and uniformly, the inhibitor moves along with the movement of the hydraulic support 1 of the coal mining machine and then sprays the inhibitor to the newly-appeared goaf in time, the inhibitor has an excellent effect, no flame-retardant blind area exists, and the use effect is good.
The guiding base is arranged to connect the plurality of coal mining machine hydraulic supports 1, so that the spraying device can move along with the movement of the plurality of coal mining machine hydraulic supports, the flame-retardant track of the goaf is clear, and in addition, the guiding base is arranged in the coal mining machine hydraulic supports 1, the safety of the spraying device can be ensured while the coal mining work is not interfered, the operation process is smooth and reliable, the structure of the guiding component serving as the spraying device is stable, and the anti-interference capability is strong;
the signal induction mechanism is arranged to automatically judge whether the two adjacent coal mining machine hydraulic supports 1 are flush, induction signals are accurate, displacement information can be accurate to micrometer in an unmanned coal mine, and after the signal induction mechanism is communicated in an induction mode, the two corresponding guide units can accurately form a moving channel of the spraying device, so that the spraying device is prevented from being stuck and stopped, and the normal movement of the spraying device is ensured;
the spraying device is arranged to spray the stopping agent to the rear goaf of the coal mining machine hydraulic support 1, the whole goaf is divided into a plurality of subareas according to the coal mining machine hydraulic support 1 to perform flame-retardant operation, and the stopping agent is prevented from being sprayed and omitted;
the spray head is conveyed to the space between two adjacent staggered coal mining machine hydraulic supports 1 through the telescopic discharge pipe 6, then the stopping agent is sprayed, the working gap of the coal mining machine hydraulic supports 1 is ingeniously utilized for flame-retardant operation, normal coal mining operation is not affected, meanwhile, the stopping agent spraying operation is timely carried out on a goaf in the process of advancing the coal mining machine, the stopping agent can be uniformly sprayed, the efficiency is high, the safety is good, and manpower and material resources are saved.
The utility model discloses a method, the step is simple, the goaf to current propulsive coal-winning machine hydraulic support 1 rear hinders the reagent and sprays when sprinkler positive displacement, the goaf to side propulsive coal-winning machine hydraulic support 1 rear to hinder the reagent and sprays when sprinkler reverse displacement on current non-propulsive coal-winning machine hydraulic support 1, control shower nozzle subassembly reversal in order to adapt to the demand of spraying of different strokes between positive displacement and reverse displacement, afterwards, hinder the reagent and spout in 1 rear of initial guide unit place coal-winning machine hydraulic support at initial guide unit position, make the fire-retardant regional no dead angle in collecting the goaf, guarantee the safety of coal mining work.
In this embodiment, the guiding unit located at one end of the guiding base is provided with a first position sensing device 7 for sensing the position of the spraying device, the guiding unit located at the other end of the guiding base is provided with a second position sensing device 8 for sensing the position of the spraying device, and the first position sensing device 7 and the second position sensing device 8 are both laser emitters.
In this embodiment, a spraying start line is marked on the initial guiding unit, a vertical projection of the laser line sent by the first position sensing device 7 on the initial guiding unit coincides with the spraying start line, when the body of the spraying device touches the laser line sent by the first position sensing device 7 in the forward moving process, the controller receives the signal to indicate that the spraying device is located at a circulating flame-retardant initial point position, so that circulating flame-retardant operation can be performed according to set method steps, and the second position sensing device 8 can be arranged at any position of the spraying device on the traveling path of the reversing guiding unit, so as to detect that the spraying device has traveled to the reversing guiding unit, thereby performing a backward reversing step.
In this embodiment, the laser lines of the first position sensing device 7 and the second position sensing device 8 are higher than the upper surface of the guide rail 18, so that the first position sensing device 7 and the second position sensing device 8 can only detect the position of the spraying device.
In this embodiment, the shower nozzle subassembly include with flexible discharging pipe 6 rotate the spray tube 9 of connecting, keep away from the hollow reposition of redundant personnel seat 10 of flexible discharging pipe 6 one end intercommunication with spray tube 9 and with the nozzle mount pad 11 of hollow reposition of redundant personnel seat 10 intercommunication and set up nozzle 12 on nozzle mount pad 11, be provided with two magnetic hose 13 between hollow reposition of redundant personnel seat 10 and the nozzle mount pad 11, magnetic hose rotates with hollow reposition of redundant personnel seat 10 to be connected, magnetic hose 13 and 11 fixed connection of nozzle mount pad, still be provided with on the hollow reposition of redundant personnel seat 10 and be used for controlling magnetic hose 13 pivoted arc magnetic induction coil 14, arc magnetic induction coil 14 wears to establish between two magnetic hose 13.
In the embodiment, the included angle between the injection direction of the nozzle 12 and the central line of the telescopic discharge pipe 6 is 90 degrees, the telescopic discharge pipe 6 extends towards the rear side of the hydraulic support 1 of the coal mining machine to drive the spray pipe 9 to move towards the right rear side of the hydraulic support 1 of the coal mining machine, and the spraying operation of the stopping agent in the goaf is realized.
In this embodiment, the two magnetic hoses 13 wrap the arc-shaped magnetic induction coil 14, so as to prevent the nozzle 12 from shaking when the arc-shaped magnetic induction coil 14 is not powered on.
In this embodiment, the outer wall of the telescopic discharge pipe 6 is provided with an external thread, the inner wall of the spray pipe 9 is provided with an internal thread matched with the external thread, the length of the internal thread is 15 cm-20 cm, the stability of the spray pipe 9 when driving the nozzle 12 to rotate is ensured, and the rotation control mechanism can drive the spray pipe 9 to rotate.
In the embodiment, the arc-shaped magnetic induction coils 14 are vertically arranged, and the nozzles 12 are controlled to swing up and down, so that the spraying range of the stopping agent along the width direction of the hydraulic support 1 of the coal mining machine is wider; in addition, the arc-shaped magnetic induction coils 14 can be horizontally arranged, and the nozzles 12 are controlled to swing left and right, so that the spraying range of the stopping agent to the rear part of the hydraulic support 1 of the coal mining machine is wider.
In this embodiment, the direction and time of the current flowing through the arc-shaped magnetic induction coil 14 are controlled by the controller.
It should be noted that the operating principle of the spray head assembly is that when the nozzle 12 reaches the spraying position, the arc-shaped magnetic induction coil 14 is controlled to be energized to form a magnetic field, at this time, the magnetic hose 13 can move along the arc-shaped magnetic induction coil 14 in an arc-shaped path under the action of the magnetic field, so as to drive the nozzle 12 to move, so as to form a fan-shaped spraying area, and the direction of the magnetic field is changed by controlling the energizing direction of the arc-shaped magnetic induction coil 14, so as to control the nozzle 12 to move in different directions, so as to perform cyclic spraying.
In this embodiment, the rotation control mechanism includes a driving gear 15 disposed outside the extending end of the telescopic discharging pipe 6, a driving motor for controlling the driving gear 15 to rotate, and a driven gear 16 fixedly sleeved on the spraying pipe 9 and in transmission connection with the driving gear 15, wherein the width of the driven gear 16 is greater than the width of the driving gear 15.
It should be noted that the driving gear 15 drives the driven gear 16 to rotate, and at the same time, the driving gear 15 moves back and forth on the side wall of the driven gear 16.
In this embodiment, the guiding unit includes a base 17 disposed on a base of the hydraulic support 1 of the coal mining machine and guide rails 18 embedded on the base 17, upper surfaces of the guide rails 18 are flush, and the infrared signal transmitter 2 and the infrared signal receiver 3 are both disposed on the guide rails 18.
In this embodiment, the distance between two adjacent guide rails 18 is 90mm to 110 mm.
In this embodiment, the upper surface of the base 17 is concave, the guide rail 18 is convex, the bottom of the guide rail 18 is stably embedded in the groove of the base 17, the environmental vibration resistance is strong, and the structure is stable.
In this embodiment, the telescopic discharge pipe 6 is communicated with the storage tank 5 sequentially through a horizontal elbow installation pipe 19 and a vertical elbow pipeline 20.
In this embodiment, the storage tank 5 is provided with a feeding hole.
In this embodiment, the horizontal elbow installation pipe 19 is used for installing the telescopic discharge pipe 6.
In this embodiment, the spraying device further comprises a controller, the spraying device and the mobile base 4 are controlled by the controller, and the infrared signal receiver 3, the first position sensing device 7 and the second position sensing device 8 are all in wireless connection with the controller through a wireless communication module.
In this embodiment, each infrared signal receiver 3 is provided with a sub wireless communication module which communicates with the controller through the wireless communication module.
The utility model discloses when in actual use, including following step:
step one, initial positioning of a spraying device:
the guide unit where the first position sensing device 7 is located is taken as an initial guide unit, the guide unit where the second position sensing device 8 is located is taken as a reversing guide unit, the guide unit located between the initial guide unit and the reversing guide unit is taken as a middle guide unit, a spraying starting line is marked on the initial guide unit, and the vertical projection of the laser line emitted by the first position sensing device 7 on the initial guide unit is superposed with the spraying starting line;
placing the spraying device on the initial guide unit, enabling the spray head assembly to face the initial guide unit, enabling the telescopic discharge pipe 6 to retract, enabling the movable base 4 to drive the spraying device to move until the first position sensing device 7 senses the spraying device and then stops moving, and waiting for the start of coal mining work;
step two, forward movement and spraying of the spraying device:
the forward moving direction of the spraying device is the moving direction of the spraying device from the initial guide unit to the reversing guide unit; the specific process comprises the following steps:
step 201, after the coal mining machine hydraulic support 1 where the initial guide unit is located forwards pushes a coal mining machine, the signal induction mechanism between the initial guide unit and the adjacent middle guide unit is disconnected in induction, at the moment, the spraying device is controlled to perform forward spraying operation, the forward spraying operation is performed in a way that the telescopic discharge pipe 6 extends to drive the spray head assembly to move towards the rear side of the coal mining machine hydraulic support 1, the telescopic discharge pipe 6 extends, the spray head assembly starts to spray a stopping agent to a goaf right behind the currently pushed coal mining machine hydraulic support 1, after the spraying is finished, the telescopic discharge pipe 6 retracts, the forward spraying operation is finished, and the next forward spraying operation is waited;
202, after the hydraulic support 1 of the coal mining machine, where the middle guide unit adjacent to the initial guide unit is located, of the coal mining machine is pushed forward to the coal mining machine, the middle guide unit is communicated with the initial guide unit adjacent to the middle guide unit in an induction mode through the signal induction mechanism, the movable base 4 drives the spraying device to move forward to a spraying point position on the current middle guide unit, the spraying device is controlled to perform the forward spraying operation, and then the next forward spraying operation is waited;
203, after the next coal mining machine hydraulic support 1 is pushed forward to a coal mining machine, the signal induction mechanism between the guide unit on the current coal mining machine hydraulic support 1 and the previous middle guide unit is in induction communication, the movable base 4 drives the spraying device to move forward to a spraying point position on the current guide unit, the spraying device is controlled to execute the forward spraying operation, and then the next forward spraying operation is waited;
step 204, circularly executing step 203, until the second position sensing device 8 senses that the spraying device advances to the reversing guide unit, and after the forward spraying operation on the reversing guide unit is finished, executing step three;
step three, reversing the spray head assembly:
after the last forward spraying operation is finished, controlling the rotation control mechanism to drive the spray head assembly to rotate 180 degrees by taking the central line of the telescopic discharge pipe 6 as a rotating shaft;
step four, reverse movement and spraying of the spraying device:
the reverse moving direction of the spraying device is the moving direction of the spraying device from the reversing guide unit to the initial guide unit; the specific process comprises the following steps:
step 401, when the hydraulic support 1 of the coal mining machine where the reversing guide unit is located is pushed forward to the coal mining machine, namely the reversing guide unit is communicated with the signal induction mechanism between the adjacent middle guide units in an induction mode, controlling the spraying device to move reversely to the spraying point position of the lateral middle guide unit;
step 402, after the coal mining machine hydraulic support 1 where the reversing guide unit is located is pushed forward to a coal mining machine, the signal induction mechanism between the reversing guide unit and the adjacent middle guide unit is disconnected in induction, at the moment, the spraying device is controlled to perform reverse spraying operation, the reverse spraying operation is carried out in a process that the telescopic discharge pipe 6 extends to drive the spray head assembly to move towards the rear side of the coal mining machine hydraulic support 1, the telescopic discharge pipe 6 extends, the spray head assembly starts to spray a stopping agent towards a goaf right behind the pushed coal mining machine hydraulic support 1, after the spraying is finished, the telescopic discharge pipe 6 retracts, and the reverse spraying operation is finished;
step 403, before the hydraulic support 1 of the coal mining machine where the spraying device is located is pushed forwards, namely when the guiding unit where the spraying device is located is communicated with the signal sensing mechanism between the guiding units adjacent in the opposite direction in a sensing way, the spraying device is controlled to move in the opposite direction to the spraying point position of the next guiding unit;
404, after a previous coal mining machine hydraulic support 1 of the coal mining machine hydraulic support 1 where the spraying device is located is pushed forwards, the sensing of the signal sensing mechanism is disconnected, and at the moment, the spraying device is controlled to perform reverse spraying operation;
it should be noted that the spraying points on the guiding unit are the same in the forward movement and the backward movement, and the difference is that when the guiding unit moves forward, the spraying device sprays the stopping agent on the guiding unit behind the hydraulic support of the coal mining machine, and when the guiding unit moves backward. The spraying device sprays the stopping agent on the current guide unit behind the coal mining machine hydraulic support pushed by the side of the current coal mining machine hydraulic support, so that the operation logic is clear, and the use effect is good;
step 405, circularly executing the steps 403 to 404 until the first position sensing device 7 senses that the spraying device advances to the initial guiding unit, and executing a fifth step after the spraying device on the initial guiding unit performs the reverse spraying operation on the directly rear goaf of the previous propelled coal mining machine hydraulic support 1;
step five, restoration of the spray head assembly and supplementary spraying of the inhibitor:
after the last reverse spraying operation is finished, controlling the rotation control mechanism to drive the spray head assembly to rotate 180 degrees by taking the central line of the telescopic discharge pipe 6 as a rotating shaft, so that the spray head assembly faces the initial guide unit;
secondly, performing supplementary spraying of a stopping agent on a goaf right behind the coal mining machine hydraulic support 1 where the initial guiding unit is located, wherein the supplementary spraying process is the same as the forward spraying process, and thus completing one stopping agent spraying cycle;
and step six, circulating the step two to the step five, and circularly spraying the stopping agent on the goaf until the coal mining operation is finished.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. The utility model provides a circulation hinders and makes device for collecting space area remains coal which characterized in that: the device comprises a guide base and a spraying device, wherein the guide base is arranged on a base of a coal mining machine hydraulic support group and is distributed along the width direction of a goaf, the spraying device slides on the guide base in a reciprocating manner, the coal mining machine hydraulic support group comprises a plurality of coal mining machine hydraulic supports (1), the guide base comprises a plurality of guide units, the guide units and the coal mining machine hydraulic supports (1) are same in number and correspond to each other one by one, and the spraying device sprays a stopping agent to the goaf behind the coal mining machine hydraulic supports (1);
a signal sensing mechanism used for controlling the spraying device to work is arranged between every two adjacent guide units, and the signal sensing mechanism comprises an infrared signal transmitter (2) arranged at the end part of one guide unit and an infrared signal receiver (3) arranged at the end part of the other guide unit and matched with the infrared signal transmitter (2);
the spraying device comprises a movable base (4) which is moved along the guide unit, a storage tank (5) which is arranged on the movable base (4), a telescopic discharge pipe (6) which is communicated with the inside of the storage tank (5) and is telescopic along the advancing direction of the coal mining machine hydraulic support (1), a spray head assembly which is rotatably connected with the telescopic discharge pipe (6) and is used for spraying a stopping agent to a goaf behind the coal mining machine hydraulic support (1), and a rotation control mechanism which is used for controlling the spray head assembly to rotate by taking the central line of the telescopic discharge pipe (6) as a rotating shaft.
2. The circulation inhibition device for the residual coal in the goaf according to claim 1, characterized in that: the laser alignment device comprises a guide base, a first position sensing device (7) and a second position sensing device (8), wherein the first position sensing device (7) is arranged at one end of the guide base and used for sensing the position of the spraying device, the second position sensing device (8) is arranged at the other end of the guide base and used for sensing the position of the spraying device, and the first position sensing device (7) and the second position sensing device (8) are laser alignment devices.
3. The circulation inhibition device for the residual coal in the goaf according to claim 1, characterized in that: the shower nozzle subassembly include with flexible discharging pipe (6) rotate spray tube (9) of connecting, keep away from hollow reposition of redundant personnel seat (10) of flexible discharging pipe (6) one end intercommunication with spray tube (9) and with nozzle mount pad (11) of hollow reposition of redundant personnel seat (10) intercommunication and set up nozzle (12) on nozzle mount pad (11), be provided with two magnetic hose (13) between hollow reposition of redundant personnel seat (10) and nozzle mount pad (11), magnetic hose rotates with hollow reposition of redundant personnel seat (10) and is connected, magnetic hose (13) and nozzle mount pad (11) fixed connection, still be provided with on hollow reposition of redundant personnel seat (10) and be used for controlling magnetic hose (13) pivoted arc magnetic induction coil (14), arc magnetic induction coil (14) are worn to establish between two magnetic hose (13).
4. The circulation inhibition device for the residual coal in the goaf according to claim 3, characterized in that: the rotation control mechanism comprises a driving gear (15) arranged on the outer side of the extending end of the telescopic discharging pipe (6), a driving motor (21) for controlling the driving gear (15) to rotate, and a driven gear (16) fixedly sleeved on the spraying pipe (9) and in transmission connection with the driving gear (15), wherein the width of the driven gear (16) is larger than that of the driving gear (15).
5. The circulation inhibition device for the residual coal in the goaf according to claim 1, characterized in that: the guiding unit comprises a base (17) arranged on a base of the coal mining machine hydraulic support (1) and guide rails (18) embedded on the base (17), the upper surfaces of the guide rails (18) are flush, and the infrared signal transmitter (2) and the infrared signal receiver (3) are arranged on the guide rails (18).
6. The circulation inhibition device for the residual coal in the goaf according to claim 1, characterized in that: the telescopic discharge pipe (6) is communicated with the storage tank (5) sequentially through a horizontal elbow mounting pipe (19) and a vertical elbow pipeline (20).
7. The circulation inhibition device for the residual coal in the goaf according to claim 2, characterized in that: the spraying device further comprises a controller, the spraying device and the mobile base (4) are controlled by the controller, and the infrared signal receiver (3), the first position sensing device (7) and the second position sensing device (8) are all in wireless connection with the controller through a wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611542.8U CN214464348U (en) | 2021-03-25 | 2021-03-25 | A circulation hinders and changes device for collecting space area remains coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611542.8U CN214464348U (en) | 2021-03-25 | 2021-03-25 | A circulation hinders and changes device for collecting space area remains coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464348U true CN214464348U (en) | 2021-10-22 |
Family
ID=78160353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120611542.8U Active CN214464348U (en) | 2021-03-25 | 2021-03-25 | A circulation hinders and changes device for collecting space area remains coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464348U (en) |
-
2021
- 2021-03-25 CN CN202120611542.8U patent/CN214464348U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522995B (en) | A kind of special mixed spray systems of TBM | |
| CN206174961U (en) | Tunnel contact is shield structure machine for passageway | |
| CN108583714B (en) | Smooth surface climbing cleaning machine | |
| CN111997642B (en) | All-rock roadway and tunnel tunneling and anchoring all-in-one machine and control method thereof | |
| CN214464348U (en) | A circulation hinders and changes device for collecting space area remains coal | |
| CN203189034U (en) | Split type jetting manipulator | |
| CN105569568A (en) | Drilling and ejecting integrated outburst-prevention drilling machine device | |
| CN108049886B (en) | Slag discharging system of shield method connecting channel | |
| CN112963192B (en) | Circulating flame-retardant device and method for goaf under mine | |
| CN106837171B (en) | A kind of compact reservoir radial direction boring means external member | |
| CN109973104A (en) | The continuous driving system in tunnel and its method | |
| CN112983448B (en) | Novel TBM of DSIS | |
| CN114294031A (en) | Anchor spraying operation mechanism | |
| CN101845952B (en) | Movable three-arm top-assisting anchor rod and anchor cable construction drill carriage | |
| CN205400589U (en) | Bore top integration and prevent abrupt rig device | |
| CN113624213A (en) | Multifunctional robot for underground engineering surveying and mapping | |
| US4119347A (en) | Coal plough having separately adjustable cutters and flexible fluid power and control lines therefor | |
| CN104564096A (en) | Digging, anchoring and drilling integrated hard rock tunneling machine | |
| CN207715156U (en) | Shield method service channel slag-tapping system | |
| CN217015930U (en) | Dust fall atomizer for coal mining | |
| CN215057396U (en) | Stepping hard rock pushing device | |
| WO2001007170A1 (en) | System for coating the inner wall of tubes | |
| CN212027810U (en) | 3D prints underground space construction robot and entry driving machine | |
| CN212837850U (en) | Crawler-type remote control combined wet concrete shotcrete machine | |
| CN213928228U (en) | Drilling and permeability increasing integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |