CN109046819A - A kind of mining rapid sealing device and its mixture spray gun - Google Patents
A kind of mining rapid sealing device and its mixture spray gun Download PDFInfo
- Publication number
- CN109046819A CN109046819A CN201811295052.0A CN201811295052A CN109046819A CN 109046819 A CN109046819 A CN 109046819A CN 201811295052 A CN201811295052 A CN 201811295052A CN 109046819 A CN109046819 A CN 109046819A
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- Prior art keywords
- needle
- storage tank
- gas
- feeder
- tank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
- B05B7/2491—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
- B05B7/262—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device a liquid and a gas being brought together before entering the discharge device
- B05B7/267—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device a liquid and a gas being brought together before entering the discharge device the liquid and the gas being both under pressure
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Abstract
A kind of mining rapid sealing device and its mixture spray gun, this is mining, and rapid sealing device includes the first storage tank and the second storage tank connecting with mixture spray gun, the mixture spray gun includes: gun body, including the small of the stock and gun barrel, feeding mechanism is provided on gun barrel, control mechanism and gun barrel fast joint, feeding mechanism includes the first feeder and the second feeder, respectively include feed inlet, feed pipe and material bin, the both ends of feed pipe are separately connected feed inlet and material bin, material bin is provided with discharge port, control mechanism is respectively provided with an open position and a closed position relative to discharge port；Hybrid nozzle, including spray head fast joint, tube body and mixed organization, spray head fast joint is detachably connected with gun barrel fast joint, one end of tube body is connect with spray head fast joint, the other end of tube body is mixing discharge port, mixed organization is mounted in tube body, and sub-material baffle is provided between mixed organization and material bin, between the first feeder material bin discharge port external and the second feeder material bin discharge port external.
Description
Technical field
The present invention relates to a kind of mining Sealing Arrangements, especially a kind of for quickly establishing hard polyurethane foam under coal mine
The mining rapid sealing device and its mixture spray gun of plastics fire dam.
Background technique
Routine rapid sealing device in the prior art, A, B material storing tank are placing internal pressure meeting after a certain period of time
It reduces, and then leads to imbalance of pressure in A, B tank, material discharging proportion imbalance, the soft or hard unevenness of the polyurethane foam of generation in A, B tank
It is even, or even there is the A not reacted material or B material, it is greatly reduced with the caking property in coal seam, the closed of fire dam under mine is not achieved
Effect.Meanwhile the spray gun structure of the prior art is also unfavorable for being sufficiently mixed for material, be unable to ensure the mixing uniformity of material with
And form polyurethane foam to the caking property in coal seam, in addition, the spray gun of the prior art using when long-time pause spray head be blocked after
Also it can not replace in time.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of mining rapid sealing
Device and its mixture spray gun, the quick foundation for polyurethane rigid foam plastic fire dam under coal mine.
To achieve the goals above, the present invention provides a kind of mixture spray gun, the mixing for material is sprayed, wherein packet
It includes:
Gun body, the gun body include the small of the stock and gun barrel interconnected, are provided with feeding mechanism, control machine on the gun barrel
Structure and gun barrel fast joint, the feeding mechanism include the first feeder and the second feeder being independently arranged, first charging
Portion and the second feeder respectively include feed inlet, feed pipe and material bin, and the both ends of the feed pipe are separately connected the charging
Mouth and the material bin, the material bin are provided with discharge port, and the control mechanism is respectively provided with one relative to the discharge port
Open position and a closed position；And
Hybrid nozzle, including spray head fast joint, tube body and mixed organization, the spray head fast joint are used for fast with the gun barrel
Connector is detachably connected, and one end of the tube body is connect with the spray head fast joint, and the other end of the tube body is mixing discharging
Mouthful, the mixed organization is mounted in the tube body, and sub-material baffle, institute are provided between the mixed organization and the material bin
Sub-material baffle is stated to be located between the material bin discharge port external of first feeder and the material bin discharge port external of second feeder.
Above-mentioned mixture spray gun, wherein the mixed organization include it is multiple be set in sequence in the intracorporal mixing chamber of the pipe,
It is separated between the mixing chamber by distributor, sequence installs multiple Helicone mixers in each mixing chamber, adjacent
The Helicone mixer in the mixing chamber it is oppositely oriented.
Above-mentioned mixture spray gun, wherein the control mechanism includes:
Trigger is mounted on the gun barrel and is oppositely arranged with the small of the stock；And
Needle is controlled, is mounted in the gun barrel, the control valve needle corresponds to first feeder and the second charging
Portion is respectively arranged with the first needle and the second needle, and first needle and the second needle are connect with the trigger respectively, described
The tail end of first needle and the second needle passes through elastic component respectively and is resisted against on the inner wall of the gun barrel, the top of first needle
End corresponds to the material bin discharge port external setting of first feeder and the material for blocking or opening first feeder
Bin discharge port external, the top of second needle correspond to the material bin discharge port external setting of second feeder and for blocking or
The material bin discharge port external of second feeder is opened, the trigger is for controlling first needle and the second needle difference position
In the open position or closed position.
Above-mentioned mixture spray gun, wherein first needle and the second needle is metal straight rod and top is provided with envelope
Plug, first needle and the second needle are provided with fixing seals, first needle close to one end of the block head
Pass through the fixing seals respectively with the second needle to be mounted in the material bin, the tail of first needle and the second needle
End is connect with the elastic component respectively, is respectively arranged in the middle part of first needle and the second needle and is connect with the trigger
Clamp groove is equipped with trigger clamp in the clamp groove.
Above-mentioned mixture spray gun, wherein the elastic component is spring, is provided with spring base on the inner wall of the gun barrel, institute
The tail end for stating the first needle and the second needle is respectively arranged with spring stop piece and fixed ring, and the spring is mounted on the fixed ring
Upper and one end is resisted against on the spring stop piece, and the other end of the spring is resisted against on the spring base.
Above-mentioned mixture spray gun, wherein the trigger includes:
Compression bar；And
Fixed link, corresponds respectively to first needle and the second needle is set as the first bar and the second bar, and described first
The lower end of bar and the second bar is connect with the compression bar respectively, and the upper end of first bar and the second bar is separately provided for and institute
The fixation hole of gun barrel connection is stated, the inside middle portion of first bar and the second bar corresponds respectively to the trigger clamp and is provided with card
Head tabletting.
Above-mentioned mixture spray gun, wherein sub-material blind recess is provided on the gun barrel, the sub-material blind recess is located at
Between the material bin discharge port external of first feeder and the material bin discharge port external of second feeder, the sub-material baffle peace
In the spray head fast joint, and one end of the sub-material baffle is adapted to the spray head fast joint inner wall, the sub-material gear
The other end of plate is abutted with the sub-material blind recess.
In order to which above-mentioned target is better achieved, the present invention also provides a kind of mining rapid sealing devices, including the first storage
Batch can, the second storage tank and mixture spray gun, first storage tank and the second storage tank pass through pipeline respectively and mix spray with described
Rifle connection, wherein the mixture spray gun is above-mentioned mixture spray gun, first storage tank and the mixture spray gun first into
The feed inlet in material portion connects, and second storage tank is connect with the feed inlet of the second feeder of the mixture spray gun.
Above-mentioned mining rapid sealing device, wherein first storage tank and the second storage tank are respectively arranged with first
Gas supplements tank and second gas supplements tank, and the first gas supplement tank and second gas supplement tank respectively include make-up gas
Storage tank, make-up gas pressure gauge and make-up gas terminal valve, the make-up gas terminal valve are installed vertically on the supplement
The top center of gas reservoir, the make-up gas pressure gauge are installed vertically on the top of the make-up gas storage tank, and described
The make-up gas terminal valve of one gas supplement tank is connect by the first union with first storage tank, the second gas
The make-up gas terminal valve of supplement tank is connect by the second union with second storage tank.
Above-mentioned mining rapid sealing device, wherein first storage tank and the second storage tank respectively include tank body and
Stock pressure table, storing control valve, make-up gas inlet valve and the storage tank fixing card being mounted on the tank body further include material
Pipe, it is interior and connect with the storing control valve that the expects pipe is located at the tank body, be provided on the storing control valve material into
Outlet, the make-up gas inlet valve of first storage tank supplement tank with the first gas by the first union and connect, institute
The make-up gas inlet valve for stating the second storage tank supplements tank with the second gas by the second union and connect, first gas
Body supplement tank and second gas supplement tank are mounted on first storage tank and the second storing by the storage tank fixing card respectively
On the side wall of tank.
The technical effects of the invention are that:
1) present invention can be mended in rapid sealing device before use, according to the pressure difference value in A, B tank by subsidiary pressure
The inert gas in tank is filled, the pressure difference in tank body is supplemented, makes the pressure recovery in A, B material storing tank to when factory
Pressure, it is ensured that ejection uniformity, consistency and the fully reacting of material in A, B tank；
2) mixture spray gun using flexible of the invention, conveniently.Under the action of trigger, A, B expect that discharge port open degree is synchronous,
It ensure that the same reaction amount of A, B material and the uniformity of reaction mass.Mixture spray gun in use can any time pause,
When long-time pause spray head is blocked, hybrid nozzle can be replaced quickly at any time, accomplish spray head and spray gun seamless interfacing, can restore at any time
Spraying operation.It is acted on by thread mixing head mixed in-core and two-stage distributor, obtains A, B material in hybrid nozzle sufficiently
Mixing, it is ensured that the mixing uniformity and formation polyurethane foam of material reach good rapid sealing to the caking property in coal seam
Effect.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the mining rapid sealing apparatus structure schematic diagram of one embodiment of the invention；
Fig. 2 is the first storage tank structural schematic diagram of one embodiment of the invention；
Fig. 3 A is the lance body structure schematic diagram of one embodiment of the invention；
Fig. 3 B is the cross-sectional view of Fig. 3 A；
Fig. 3 C is the overhead sectional view of Fig. 3 A；
Fig. 4 is the trigger configuration schematic diagram of one embodiment of the invention；
Fig. 5 is the control needle structure schematic diagram of one embodiment of the invention；
Fig. 6 is the hybrid nozzle structural schematic diagram of one embodiment of the invention.
Wherein, appended drawing reference
1 first storage tank
11 tank bodies
12 stock pressure tables
13 storing control valves
14 make-up gas inlet valves
15 storage tank fixing cards
16 expects pipes
17 material import and exports
2 second storage tanks
3 mixture spray guns
31 smalls of the stock
32 gun barrels
321 spray heads and gun body sealing joint circle
33 feeding mechanisms
331 first feeders
332 second feeders
333 feed inlets
334 feed pipes
335 material bins
336 discharge ports
34 control mechanisms
341 triggers
342 control needles
343 elastic components
344 block heads
345 fixing seals
346 trigger clamps
347 compression bars
348 fixed links
3481 first bars
3482 second bars
349 clamp tablettings
35 gun barrel fast joints
36 hybrid nozzles
361 spray head fast joints
362 tube bodies
363 mixed organizations
364 mixing discharge ports
365 sub-material baffles
366 mixing chambers
367 distributors
368 Helicone mixers
37 sub-material blind recess
38 upper covers
4 pipelines
5 first gas supplement tank
51 make-up gas storage tanks
52 make-up gas pressure gauges
53 make-up gas terminal valves
6 second gas supplement tank
7 first unions
8 second unions
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
Referring to Fig. 1, Fig. 1 is the mining rapid sealing apparatus structure schematic diagram of one embodiment of the invention.Of the invention is mining
Rapid sealing device, including the first storage tank 1, the second storage tank 2 and mixture spray gun 3, first storage tank 1 and the second storing
Tank 2 is connect by pipeline 4 with the mixture spray gun 3 respectively, which preferably connects hose, first storage tank 1 and institute
The feed inlet 333 for stating the first feeder 331 of mixture spray gun 3 connects, and the of second storage tank 2 and the mixture spray gun 3
The feed inlet 333 of two feeders 332 connects.For example, the first storage tank 1 and the second storage tank 2 can pass through screw thread or fixing buckle
It is connected with the one end for connecting hose, the other end for connecting hose can also be corresponding with mixture spray gun 3 by screw thread or fixing buckle
Feed inlet 333 is connected.
Referring to fig. 2, Fig. 2 is the first storage tank structural schematic diagram of one embodiment of the invention.Because of the first storage tank 1 and second
2 structure of storage tank is identical, therefore only forms by taking the first storage tank 1 as an example to it in a specific embodiment and structure is explained.
First storage tank 1 and the second storage tank 2 of the invention is respectively arranged with first gas supplement tank 5 and second gas supplement tank
6, composition, structure and the function that first gas supplements tank 5 and second gas supplement tank 6 are also identical, therefore herein only with first gas
It is illustrated for supplement tank 5.The first gas supplement tank 5 and second gas supplement tank 6 respectively include make-up gas storage tank
51, make-up gas pressure gauge 52 and make-up gas terminal valve 53, the make-up gas terminal valve 53 are installed vertically on described
The top center of make-up gas storage tank 51, the make-up gas pressure gauge 52 are installed vertically on the top of the make-up gas storage tank 51
The make-up gas terminal valve 53 in portion, the first gas supplement tank 5 is connected by the first union 7 with first storage tank 1
It connects, the make-up gas terminal valve 53 of the second gas supplement tank 6 is connected by the second union 8 with second storage tank 2
It connects.The present embodiment preferred addition gas reservoir 51 is a closed steel cylinder storage tank, and make-up gas terminal valve 53 is steel
Or copper angle valve, it is installed vertically on the top center of make-up gas storage tank 51, make-up gas pressure gauge 52 is installed vertically on supplement
The top of gas reservoir 51, make-up gas storage tank 51 are fixed on the side wall of the first storage tank 1 by storage tank fixing card 15, simultaneously
Make-up gas terminal valve 53 is connected by the first union 7 with the make-up gas inlet valve 14 on the first storage tank 1.
Wherein, first storage tank 1 and the second storage tank 2 respectively include tank body 11 and are mounted on the tank body 11
Stock pressure table 12, storing control valve 13, make-up gas inlet valve 14 and storage tank fixing card 15 further include expects pipe 16, the material
Pipe 16 is located in the tank body 11 and connect with the storing control valve 13, and material disengaging is provided on the storing control valve 13
Mouth 17, the make-up gas inlet valve 14 of first storage tank 1 supplement tank 5 with the first gas by the first union 7 and connect
It connecing, the make-up gas inlet valve 14 of second storage tank 2 supplements tank 6 with the second gas by the second union 8 and connect,
The first gas supplement tank 5 and second gas supplement tank 6 are mounted on first storage by the storage tank fixing card 15 respectively
On the side wall of batch can 1 and the second storage tank 2.It is preferred that the first storage tank 1 is a closed steel cylinder storage tank, the first storing control
Valve 13 processed is steel or copper angle valve, is installed vertically on the top center of the first storage tank 1, the lower end of the first storing control valve 13
It is connected with A material expects pipe 16, A material 16 low side diagonal cut joint of expects pipe and the inner bottom surface for vertically going deep into the first storage tank 1, storing pressure
Power table 12 is installed vertically on the top of the first storage tank 1, and make-up gas inlet valve 14 is steel or copper angle valve, is installed vertically on
The top of first storage tank 1, storage tank fixing card 15 are installed on the top position of side wall of the first storage tank 1.
It is the lance body structure schematic diagram of one embodiment of the invention referring to Fig. 3 A- Fig. 3 C, Fig. 3 A, Fig. 3 B is the section view of Fig. 3 A
Figure, Fig. 3 C are the overhead sectional view of Fig. 3 A.Mixture spray gun 3 of the invention, the mixing for material sprays, including gun body and mixing
Spray head 36, wherein gun body is preferably the molding plastics gun-shaped structure of one injection, and the gun body includes the rifle interconnected
31 and gun barrel 32, hybrid nozzle 36 is mounted on the gun barrel 32, and the small of the stock 31 is preferably the handle grips to match with hand shape,
And it is connected as overall structure with gun barrel 32, feeding mechanism 33, control mechanism 34 and gun barrel fast joint are provided on the gun barrel 32
35, which is preferably that snap fastener is connect with spray head fast joint 361, so as to quick-snap, facilitates hybrid nozzle
Replacement dismounting, preferably the gun barrel fast joint 35 are female thread structure (referring to Fig. 3 C), which is sub-buckle structure (ginseng
See Fig. 6).Mountable spray gun upper cover 38 on gun barrel 32, to carry out closed protection to control mechanism 34, while can make mixture spray gun 3
Shape it is more attractive.Spray gun upper cover 38 can be fixed on gun barrel 32 by fixed rack.Such as the spray gun upper cover 38 may include spray
Lid top panel, spray gun upper cover side plate and spray gun fixed rack on rifle, two spray gun upper cover side plates are fixed on two of lid top panel on spray gun
Side, spray gun fixed rack are arranged on the inner wall of spray gun upper cover side plate, and spray gun upper cover 38 can rely on spray gun fixed rack and gun body
On spray gun upper cover fixed groove be mounted in gun body, and quick release.
Wherein, the middle and upper part of gun barrel 32 is preferably cavity structure, facilitates control mechanism 34 to be installed in material bin 335, rifle
Pipe 32 is provided with spray head and gun body sealing joint circle 321 outside one end far from the small of the stock 31, to guarantee hybrid nozzle 3 and gun barrel 32
The quickly sealing after connection；Spray gun discharge port 336, spray gun discharge port 336 and object are symmetrically arranged in end face center two sides simultaneously
The connection of feed bin 335 is provided with point of hybrid nozzle 36 to the material that circulates in the vertical orientation of two spray gun discharge ports 336
Expect blind recess 37.
In the present embodiment, the feeding mechanism 33 includes the first feeder 331 and the second feeder 332 being independently arranged,
First feeder 331 and the second feeder 332 have accommodating space independent, are not connected to therebetween, A material and B material
Gun barrel 32 is entered by the first feeder 331 and the second feeder 332 respectively, A material and B material respectively individually transport in gun barrel 32
To hybrid nozzle 3, uniformly mixing, first feeder 331 and the second feeder 332 difference are realized in hybrid nozzle 3
Including feed inlet 333, feed pipe 334 and material bin 335, the both ends of the feed pipe 334 are separately connected 333 He of feed inlet
The material bin 335, the material bin 335 are provided with discharge port 336, wherein preferred feedstock pipe 334 is set to the bottom of gun barrel 32
Feed inlet 333 is arranged close to one end of the small of the stock 31 in portion, feed pipe 334, and 334 other end of feed pipe enters material perpendicular to gun barrel 32
Storehouse 335.The control mechanism 34 is respectively provided with an open position and a closed position relative to the discharge port 336.The rifle
Sub-material blind recess 37 is additionally provided on pipe 32, the sub-material blind recess 37 is located at the material bin of first feeder 331
Between the discharge port 336 of the material bin 335 of 335 discharge port 336 and second feeder 332, the sub-material baffle 365 is pacified
In spray head fast joint 361, such as the sub-material baffle 365 can be plugged on spray head fast joint by link slot or connection buckle
On 361 inner wall, and the one end for contacting sub-material baffle 365 with 361 inner wall of spray head fast joint and the spray head fast joint 361
Inner wall adaptation, the i.e. shape at 365 end of sub-material baffle are bonded with the inner wall of spray head fast joint 361, and hybrid nozzle 3 and gun barrel 32 connect
When connecing, the other end of the sub-material baffle 365 is connected in the sub-material blind recess 37.
Referring to fig. 4, Fig. 5 and Fig. 3 C, Fig. 4 are the trigger configuration schematic diagram of one embodiment of the invention, and Fig. 5 is that the present invention one is real
Apply the control needle structure schematic diagram of example.The control mechanism 34 includes trigger 341 and control needle 342, and trigger 341 is mounted on
It is oppositely arranged on the gun barrel 32 and with the small of the stock 31, is contacted with the trigger clamp 346 on control needle 342, pass through trigger
The position of the adjustment control needle 342 of clamp 346 and then the disengaging for controlling material.The trigger 341 includes: compression bar 347；And it is solid
Fixed pole 348, corresponds respectively to first needle and the second needle is set as the first bar 3481 and the second bar 3482, and described first
The lower end of bar 3481 and the second bar 3482 is connect with the compression bar 347 respectively, first bar 3481 and the second bar 3482 it is upper
End is separately provided for the fixation hole connecting with the gun barrel 32, the inside middle portion of first bar 3481 and the second bar 3482
It corresponds respectively to the trigger clamp 346 and is provided with clamp tabletting 349.Such as the trigger 341 is preferably plastics Y-shaped knot
Structure, the first bar 3481 of trigger fixed link 348 and the lower end of the second bar 3482 are vertically fixed on " T " shaped trigger compression bar 347
Both ends top, the first bar 3481 of trigger fixed link 348 and the top of the second bar 3482 are respectively arranged with a trigger fixation hole,
Inside middle portion is respectively arranged with a clamp tabletting 349.
The control needle 342 is mounted in the gun barrel 32, and the control needle 342 corresponds to first feeder
331 and second feeder 332 be respectively arranged with the first needle and the second needle, control different materials, first valve respectively
Needle and the second needle are connect with the trigger 341 respectively, and the tail end of first needle and the second needle passes through elastic component respectively
343 are resisted against on the inner wall of the gun barrel 32, and the top of first needle corresponds to the material bin of first feeder 331
335 setting of discharge port 336 and the discharge port 336 of the material bin 335 for blocking or opening first feeder 331, institute
State the second needle top correspond to second feeder 332 material bin 335 discharge port 336 setting and for block or
Open the discharge port 336 of the material bin 335 of second feeder 332, the trigger 341 for control first needle and
Second needle is located at the open position or closed position.
Wherein, first needle and the second needle are metal straight rod and top is provided with block head 344, and described first
Needle and the second needle are provided with fixing seals 345, first needle and the second valve close to one end of the block head 344
Needle passes through the fixing seals 345 respectively and is mounted in the material bin 335, is provided with sealing on the fixing seals 345
Circle, the sealing after being installed with the first needle of guarantee and the second needle between material bin 335, first needle and the second needle
Tail end is connect with the elastic component 343 respectively, is respectively arranged in the middle part of first needle and the second needle and the trigger
The clamp grooves of 341 connections, are equipped with trigger clamp 346 in the clamp groove.In the present embodiment, the elastic component 343 is excellent
It is selected as spring, the gun barrel 32 is provided with spring base, first needle and the second needle on one end inner wall of the small of the stock 31
Tail end be respectively arranged with spring stop piece and fixed ring, the spring is mounted in the fixed ring and one end is resisted against the bullet
On spring baffle, the other end of the spring is resisted against on the spring base.Such as the control needle 342 be preferably a head compared with
Big metal straight rod, one end close to head is cased with a fixing seals 345, between block head 344 and fixing seals 345
It is sealed with needle sealing ring, fixing seals 345 is installed in the material bin 335 of gun body, fixing seals 345 and material bin
It is sealed between 335 with needle fixed seal ring, it is recessed that the middle and back of block head 344 leans on caudal position to be provided with trigger clamp
Slot, for fixing trigger clamp 346, needle tail portion is provided with spring stop groove, for installing spring stop piece, needle tail end set
There is spring fixed ring, spring is cased in spring fixed ring, spring is abutted close to one end of spring fixed ring with spring stop piece, spring
The other end is abutted with the spring base of gun body.
It is the hybrid nozzle structural schematic diagram of one embodiment of the invention referring to Fig. 6, Fig. 6.The hybrid nozzle 36 includes spray head
Fast joint 361, tube body 362 and mixed organization 363, the spray head fast joint 361 are used for detachable with the gun barrel fast joint 35
Connection, i.e., hybrid nozzle 36 is connected by spray head fast joint 361 and gun barrel fast joint 35 with gun body, to different material As
And material B is mixed, one end of the tube body 362 is connect with the spray head fast joint 361, and can also be structure as a whole part, institute
The other end of tube body 362 is stated as mixing discharge port 364, the mixed organization 363 is mounted in the tube body 362, the mixing
Sub-material baffle 365 is provided between mechanism 363 and the material bin 335, the sub-material baffle 365 is located at first feeder
Between the discharge port 336 of the material bin 335 of the discharge port 336 of 331 material bin 335 and second feeder 332.Wherein,
The mixed organization 363 includes multiple mixing chambers 366 being set in sequence in the tube body 362, is led between the mixing chamber 366
It crosses distributor 367 to separate, sequence installs multiple Helicone mixers 368, the adjacent mixing in each mixing chamber 366
The Helicone mixer 368 in chamber 366 it is oppositely oriented.Such as the hybrid nozzle 36 is preferably plastics round tubulose
Mixer, one end are provided with the mixing discharge port 364 of taper, and the other end is provided with spray head fast joint 361, sets inside tube body 362
Helicone mixer 368 is set, Helicone mixer 368 is divided to for forward direction and reversed two kinds, is arranged alternately, and positive and reverse acting spiral
It is provided between shape mixer 368 in distributor 367, such as the tube body 362 of hybrid nozzle 36 and 2 grades of distributors 367 is set, head end
With 2 Helicone mixers 368 are respectively set in end mixing chamber 366,3 Helicone mixers are set in intermediate mixing chamber 366
368, can be required according to the characteristic and technique of mixed material specific setting mixing chamber 366 number and Helicone mixer 368 and
The number and series of distributor 367, with no restriction to this.361 bosom of spray head fast joint is parallel on the direction of tube body 362
The sub-material baffle 365 is set, one end of sub-material baffle 365 is contacted with the inner wall of spray head fast joint 361, sub-material baffle 365 it is another
One end is connected in sub-material blind recess 37, and the installation end of spray head fast joint 361 is provided with fast joint sub-buckle, can be connect fastly with gun barrel
First 35 female thread is quickly connected, is dismantled.
The present invention quickly establishes the dedicated unit of polyurethane rigid foam plastic fire dam as underground coal mine using spraying method,
It can be before use, the inert gas in tank be supplemented by subsidiary pressure, in tank body according to the pressure difference value in A, B tank
Pressure difference is supplemented, and makes pressure recovery in A, B material storing tank to pressure when factory, it is ensured that the spray of material in A, B tank
Uniformity, consistency and fully reacting out；Mixture spray gun using flexible, conveniently, under the action of trigger, the discharging of A, B material
Mouth open degree is synchronous, ensure that the same reaction amount of A, B material and the uniformity of reaction mass.Mixture spray gun in use may be used
Any time is paused, and when long-time pause spray head is blocked, hybrid nozzle can quickly be replaced at any time by spray head fast joint, accomplish to spray
The seamless interfacing of head and gun body, can restore spraying operation at any time.Pass through the work of thread mixing head mixed in-core and two-stage distributor
With being sufficiently mixed A, B material in hybrid nozzle, it is ensured that the mixing uniformity of material and form polyurethane foam pair
The caking property in coal seam reaches good rapid sealing effect.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of mixture spray gun, the mixing for material is sprayed characterized by comprising
Gun body, the gun body include the small of the stock and gun barrel interconnected, be provided on the gun barrel feeding mechanism, control mechanism and
Gun barrel fast joint, the feeding mechanism include the first feeder and the second feeder being independently arranged, first feeder and
Second feeder respectively includes feed inlet, feed pipe and material bin, the both ends of the feed pipe be separately connected the feed inlet and
The material bin, the material bin are provided with discharge port, and the control mechanism is respectively provided with an opening relative to the discharge port
Position and a closed position；And
Hybrid nozzle is mounted on the gun barrel, and the hybrid nozzle includes spray head fast joint, tube body and mixed organization, described
For being detachably connected with the gun barrel fast joint, one end of the tube body is connect spray head fast joint with the spray head fast joint,
The other end of the tube body is mixing discharge port, and the mixed organization is mounted in the tube body, the mixed organization with it is described
It is provided with sub-material baffle between material bin, the sub-material baffle is located at the material bin discharge port external and described the of first feeder
Between the material bin discharge port external of two feeders.
2. mixture spray gun as described in claim 1, which is characterized in that the mixed organization includes described in multiple be set in sequence in
Intracorporal mixing chamber is managed, is separated between the mixing chamber by distributor, sequence installs multiple spiral shells in each mixing chamber
Revolve shape mixer, the Helicone mixer in the adjacent mixing chamber it is oppositely oriented.
3. mixture spray gun as claimed in claim 1 or 2, which is characterized in that the control mechanism includes:
Trigger is mounted on the gun barrel and is oppositely arranged with the small of the stock；And
Needle is controlled, is mounted in the gun barrel, the control valve needle corresponds to first feeder and the second feeding part
It is not provided with the first needle and the second needle, first needle and the second needle are connect with the trigger respectively, and described first
The tail end of needle and the second needle passes through elastic component respectively and is resisted against on the inner wall of the gun barrel, the top pair of first needle
The material bin discharge port external of first feeder described in Ying Yu is arranged and the material bin for blocking or opening first feeder goes out
Material mouth, the top of second needle correspond to the material bin discharge port external setting of second feeder and for blocking or opening
The material bin discharge port external of second feeder, the trigger is used to control first needle and the second needle is located at institute
State open position or closed position.
4. mixture spray gun as claimed in claim 3, which is characterized in that first needle and the second needle are metal straight rod
And top is provided with block head, first needle and the second needle are provided with fixing seal close to one end of the block head
Part, first needle and the second needle pass through the fixing seals respectively and are mounted in the material bin, first valve
The tail end of needle and the second needle is connect with the elastic component respectively, is respectively arranged in the middle part of first needle and the second needle
The clamp groove connecting with the trigger is equipped with trigger clamp in the clamp groove.
5. mixture spray gun as claimed in claim 4, which is characterized in that the elastic component is spring, on the inner wall of the gun barrel
It is provided with spring base, the tail end of first needle and the second needle is respectively arranged with spring stop piece and fixed ring, the spring
It is mounted in the fixed ring and one end is resisted against on the spring stop piece, the other end of the spring is resisted against the spring base
On.
6. mixture spray gun as claimed in claim 4, which is characterized in that the trigger includes:
Compression bar；And
Fixed link, corresponds respectively to first needle and the second needle is set as the first bar and the second bar, first bar and
The lower end of second bar is connect with the compression bar respectively, and the upper end of first bar and the second bar is separately provided for and the rifle
The inside middle portion of the fixation hole of pipe connection, first bar and the second bar corresponds respectively to the trigger clamp and is provided with clamp pressure
Piece.
7. mixture spray gun as claimed in claim 4, which is characterized in that sub-material blind recess is provided on the gun barrel, it is described
Sub-material blind recess be located at first feeder material bin discharge port external and second feeder material bin discharge port external it
Between, the sub-material baffle is mounted in the spray head fast joint, and in one end of the sub-material baffle and the spray head fast joint
Wall adaptation, the other end of the sub-material baffle are abutted with the sub-material blind recess.
8. a kind of mining rapid sealing device, including the first storage tank, the second storage tank and mixture spray gun, first storage tank
Pass through pipeline respectively with the second storage tank to connect with the mixture spray gun, which is characterized in that the mixture spray gun is aforesaid right
It is required that mixture spray gun described in any one of 1-7, the first feeder of first storage tank and the mixture spray gun into
Material mouth connection, second storage tank are connect with the feed inlet of the second feeder of the mixture spray gun.
9. mining rapid sealing device as claimed in claim 8, which is characterized in that first storage tank and the second storage tank
It is respectively arranged with first gas supplement tank and second gas supplement tank, the first gas supplement tank and second gas supplement tank point
Not Bao Kuo make-up gas storage tank, make-up gas pressure gauge and make-up gas terminal valve, the make-up gas terminal valve is vertical
It is installed on the top center of the make-up gas storage tank, the make-up gas pressure gauge is installed vertically on the make-up gas storage tank
Top, the make-up gas terminal valve of first gas supplement tank connected by the first union and first storage tank
It connects, the make-up gas terminal valve of the second gas supplement tank is connect by the second union with second storage tank.
10. mining rapid sealing device as claimed in claim 8 or 9, which is characterized in that first storage tank and the second storage
Stock pressure table, storing control valve, make-up gas inlet valve and the storage that batch can respectively includes tank body and is mounted on the tank body
Tank fixing card further includes expects pipe, and the expects pipe is located in the tank body and connect with the storing control valve, the storing control
Material import and export is provided on valve, the make-up gas inlet valve of first storage tank passes through the first union and first gas
Body supplements tank connection, and the make-up gas inlet valve of second storage tank supplements tank by the second union and the second gas
Connection, the first gas supplement tank and second gas supplement tank are mounted on first storage by the storage tank fixing card respectively
On the side wall of batch can and the second storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295052.0A CN109046819B (en) | 2018-11-01 | 2018-11-01 | Mining quick closing device and mixing spray gun thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295052.0A CN109046819B (en) | 2018-11-01 | 2018-11-01 | Mining quick closing device and mixing spray gun thereof |
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| Publication Number | Publication Date |
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| CN109046819A true CN109046819A (en) | 2018-12-21 |
| CN109046819B CN109046819B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811295052.0A Active CN109046819B (en) | 2018-11-01 | 2018-11-01 | Mining quick closing device and mixing spray gun thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110523571A (en) * | 2019-09-02 | 2019-12-03 | 苏州市创诚金属制品有限公司 | A kind of anti-dead angle spraying equipment of micro-tube |
| CN112718288A (en) * | 2020-12-27 | 2021-04-30 | 唐山东亚重工装备集团有限公司 | Automatic polyurea and polyurethane spraying equipment and process |
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| CN112718288A (en) * | 2020-12-27 | 2021-04-30 | 唐山东亚重工装备集团有限公司 | Automatic polyurea and polyurethane spraying equipment and process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109046819B (en) | 2023-10-13 |
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