CN203130106U - Mining plunger pump type wet spraying machine - Google Patents
Mining plunger pump type wet spraying machine Download PDFInfo
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- CN203130106U CN203130106U CN 201320154648 CN201320154648U CN203130106U CN 203130106 U CN203130106 U CN 203130106U CN 201320154648 CN201320154648 CN 201320154648 CN 201320154648 U CN201320154648 U CN 201320154648U CN 203130106 U CN203130106 U CN 203130106U
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- plunger
- carrier pipe
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Abstract
The utility model provides a mining plunger pump type wet spraying machine, which has the advantages of long conveying distance, small possibility of blocking pipes, small dust concentration and low rebound rate and is used for the anchoring and shotcreting timbering operation in the engineering constructions, such as a mine roadway and a tunnel with narrow space. The mining plunger pump type wet spraying machine comprises an explosion proof type plunger type concrete pump and a concrete injection system, wherein the concrete injection system comprises a rigid pipe, an air and material mixer, a hose, an accelerating agent feeder and a spray gun which are connected in sequence; the air inlet of the air and material mixer is communicated with a compressed air source; and a delivery pipe in the explosion proof type plunger type concrete pump is connected with the rigid pipe. According to the technology, the plunger pump type concrete pump is made into the explosion proof type under the condition that the underground space of the mine is small and the delivery distance has a certain requirement by adopting the ground mature plunger pump type concrete pump delivery technology; due to the fact that the rigid pipe is adopted, the delivery resistance is reduced; compressed air is used for carrying out air blowing onto concrete to achieve the requirement of wet spraying; and the concrete can be delivered in a long distance.
Description
Technical field
Present technique relates to a kind of mining plunger displacement pump formula wet shot machine of carrying out the bolt-spary supports operation in the engineering constructions such as colliery roadway, construction of tunnel, subway engineering of being suitable for.
Background technology
China's coal-mine Downhole jetting concrete is to do spray, tide spray at present, and dust concentration is big, rebound degree is high, long-term severe overweight.The dust of association mainly is below the 10 μ m during sprayed mortar, contains the cement grit of free silicon about 10%, is one of main dust source in the mine manufacturing process, and has produced comparatively serious harm.
Safety of Coal Mine Production supervisory and management department of country has forbidden dry-type jetting concrete facility and the technology that the employing of domestic colliery falls behind, promoted Coal Production to safe bolt-spary supports new equipment and the further demand of new technology, in view of domestic and international research practice shows, wet-spray technique is the otherwise effective technique approach of reducing dust and decreasing resilience when realizing bolt-spary supports, and wet-spray technique is the inevitable direction of the development of concrete-spraying technology.
Though have several concrete spraying machines (group) to be in the experimental study stage both at home and abroad, as extrusion pump formula, double helix S valve delivery pump formula etc., but do not reach the requirement of anchor spray scope of operation wet shot basically, exist consumable accessory consumption big, fed distance not far (about 40 meters of the longest horizontal ranges), nozzle parameter is unreasonable, and jet quality is bad, problems such as easy plugging.
In addition, the mining plunger type concrete pump that is used for underground filling also has use on the colliery, but because production capacity sprays several times of required production capacity and do not have spraying system greater than anchor, so it is not suitable for use in the bolt-spary supports operation, only uses as underground filling equipment.
Summary of the invention
The purpose of present technique provide a kind of fed distance far away, be difficult for plugging, dust concentration is little, rebound degree is low, is used for the mining plunger displacement pump formula wet shot machine of the bolt-spary supports operation of engineering constructions such as space-constrained colliery roadway, tunnel.
This mining plunger displacement pump formula wet shot machine comprises explosion-proof type plunger type concrete pump and concrete spraying system, and the concrete spraying system comprises that the hard tube, gas feed mixer, flexible pipe, the accelerating admixture that link to each other successively add device, spray gun; The air inlet port of gas feed mixer communicates with compressed gas source; Carrier pipe in the explosion-proof type plunger type concrete pump links to each other with hard tube.
The beneficial effect of present technique: the utility model adopts plunger type concrete pump conveying technology ripe on the ground, and, fed distance little according to space under the coal mine has certain requirements under the situation, and the plunger type concrete pump is made explosion-proof type; Add the employing hard tube, reduce transporting resistance; Adopt Compressed Gas wind to send a section concrete again, reach the requirement of wet shot; Can grow apart from delivering concrete.The utility model is mainly used in the bolt-spary supports operation in the engineering constructions such as space-constrained colliery roadway, tunnel, replace concrete dry type pulp shooting machine used in the present bolt-spary supports operation and damp formula pulp shooting machine, thereby reduce the problem that dust concentration is big, rebound degree is high that is produced by concrete dry spray, watering jet eductor, realize the requirement of wet shotcrete technology, make the dust of spraying operation, resilience reach " Technical code for shotcrete rock bolts shore " (GB50086-2001) requirement.
Above-mentioned mining plunger displacement pump formula wet shot machine, the plunger type concrete pump comprises motor, hydraulic pump, piston rod, concrete cylinder, carrier pipe, flashboard, flashboard drive unit, hopper, hydraulic pump links to each other with the motor of its work of drive, piston rod in the piston rod stretches in the concrete cylinder, is provided with the flashboard that can move around between concrete cylinder outlet and the carrier pipe import; The outlet of concrete cylinder, carrier pipe import, flashboard all are arranged in the hopper, have through hole on the flashboard, and flashboard links to each other with its flashboard drive unit that moves around of drive; When flashboard moved to a certain position, the concrete cylinder outlet communicated with the carrier pipe import by the through hole on the flashboard; When flashboard moved to the another location, the carrier pipe import was sealed by flashboard, and the concrete cylinder outlet communicates with the hopper inner chamber.The flashboard drive unit is the swing hydraulic jack.
Above-mentioned mining plunger displacement pump formula wet shot machine, explosion-proof type plunger type concrete pump is arranged on the travelling car.
Above-mentioned mining plunger displacement pump formula wet shot machine, hard tube comprise continuous hard bend pipe and hard straight tube.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is structural principle schematic diagrames (flashboard is in leftward position) such as flashboard, concrete cylinder, carrier pipe.
Fig. 3 is structural principle schematic diagrames (flashboard is in right positions) such as flashboard, concrete cylinder, carrier pipe.
Among the figure, 1-plunger type concrete pump, 2-concrete spraying system, 3-motor, the 4-piston rod, 5-hydraulic pump, 6-concrete cylinder, the 7-fuel tank, 8-vehicle frame, 9-oscillating cylinder, the 10-hopper, 11-reducer pipe, the hard bend pipe of 12-, the hard straight tube of 13-, 14-flashboard, 15-gas, feed mixer, the 16-flexible pipe, the 17-accelerating admixture adds device, 18-spray gun.
The specific embodiment
Mining plunger displacement pump formula wet shot machine referring to shown in Figure 1 comprises explosion-proof type plunger type concrete pump 1 and concrete spraying system 2.
Plunger type concrete pump 1 mainly comprises vehicle frame 8, oscillating cylinder (flashboard drive unit) 9, hopper 10, carrier pipe 20, the flashboard 14 of hydraulic power unit (comprising motor 3, piston rod 4, hydraulic pump 5, concrete cylinder 6, fuel tank 7), band roller.Hydraulic power unit, oscillating cylinder (flashboard drive unit) 9, hopper 10, carrier pipe 20, flashboard 14 etc. are arranged on the vehicle frame 8.
Concrete spraying system 2 mainly comprises the reducer pipe 11 that links to each other successively, hard bend pipe 12, and hard straight tube 13, gas, feed mixer 15, flexible pipe 16, accelerating admixture adds device 17, spray gun 18.The air inlet port 151 of gas feed mixer communicates with compressed gas source.The accelerating admixture of accelerating admixture adding device 17 adds entrance 171 and communicates with the outlet in accelerating admixture source.
Carrier pipe 20 has two imports 201,202, outlets 203.Connect with pipe clamp between carrier pipe outlet 203 and reducer pipe 11 imports.
Hydraulic pump links to each other with the motor of its work of drive, two piston rods 51,52 in two piston rods stretch into respectively in two concrete cylinders 63,64, concrete cylinder 63,64 outlet 61,62 and two imports 201 of carrier pipe, 202 between be provided with the flashboard 14 that can move around.Two imports of outlet, carrier pipe, the flashboard that have two through holes 141,142, two concrete cylinders on the flashboard 14 all are arranged in the hopper, and flashboard links to each other with its flashboard drive unit that moves around of drive.
Referring to Fig. 2, when flashboard moved to leftward position, concrete cylinder outlet 61 communicated with carrier pipe import 201 by the through hole 141 on the flashboard, and piston rod 51 moves forward compresses into carrier pipe to concrete cylinder 63 interior concrete; Carrier pipe import 202 is sealed by flashboard; Concrete cylinder outlet 62 communicates with the hopper inner chamber, and piston rod 52 movement backward sucks concrete in the concrete cylinder 64.Referring to Fig. 3, when flashboard moved to right positions, concrete cylinder outlet 62 communicated with carrier pipe import 202 by the through hole 142 on the flashboard, and piston rod 52 moves forward compresses into carrier pipe to concrete cylinder 64 interior concrete; Carrier pipe import 201 is sealed by flashboard; Concrete cylinder outlet 61 communicates with the hopper inner chamber, and piston rod 51 movement backward sucks concrete in the concrete cylinder 63.Work so repeatedly, can pump into the concrete in the hopper concrete spraying system 2.Spray through the concrete spraying system, reach anchor spray operation.After the anchor spray end of job, clean the pump housing and carrier pipe with water under high pressure or compressed air.
Characteristics of the present utility model:
1, miniaturization (miniaturization of appearance and size and production capacity).The plunger type concrete pump is made small-sized, makes the profile of plunger type concrete pump be fit to limited space under most of coal mine.
2, explosion-proof.Electric components such as motor, the various valves in the hydraulic power unit, sebific duct etc. are all used the component of coal peace sign, are fit to instructions for use under the coal mine.
3, charging and discharging all are water/binder ratio greater than the concrete of doing spray, tide spray, rather than do, the compound of sand, stone and cement that the tide spray is used, thereby effectively lower the dust in operation place.Plunger type concrete pump and the combination of concrete spraying system realize the anchor pressure spray process.
4, depositing dust, subtract bullet.The utility model charging and discharging are to stir concrete relatively uniformly, are ejected into the good attachment of work plane, and resilience is few.
5, long distance is carried.The utility model adopts the plunger type concrete pump can grow distance (about 1000 meters) delivering concrete, reach, surpass at present do, the requirement of 100 meters of damp spraying equipment horizontal transport distance, technical no problem.
In a word, with do, watering jet eductor comparison the utility model can reduce dust concentration, improve operating environment, reduce rebound degree, saves support material, improves work efficiency.Compare with the plunger type concrete pump with filler for mine, the utility model both can be used for the bolt-spary supports operation, also can be used for the requirement that the down-hole requires the little small-scale filling of charging quantity.
Claims (5)
1. mining plunger displacement pump formula wet shot machine comprises explosion-proof type plunger type concrete pump and concrete spraying system, it is characterized in that: the concrete spraying system comprises that the hard tube, gas feed mixer, flexible pipe, the accelerating admixture that link to each other successively add device, spray gun; The air inlet port of gas feed mixer communicates with compressed gas source; Carrier pipe in the explosion-proof type plunger type concrete pump links to each other with hard tube.
2. mining plunger displacement pump formula wet shot machine as claimed in claim 1, it is characterized in that: the plunger type concrete pump comprises motor, hydraulic pump, piston rod, concrete cylinder, carrier pipe, flashboard, flashboard drive unit, hopper, hydraulic pump links to each other with the motor of its work of drive, piston rod in the piston rod stretches in the concrete cylinder, is provided with the flashboard that can move around between concrete cylinder outlet and the carrier pipe import; The outlet of concrete cylinder, carrier pipe import, flashboard all are arranged in the hopper, have through hole on the flashboard, and flashboard links to each other with its flashboard drive unit that moves around of drive; When flashboard moved to a certain position, the concrete cylinder outlet communicated with the carrier pipe import by the through hole on the flashboard; When flashboard moved to the another location, the carrier pipe import was sealed by flashboard, and the concrete cylinder outlet communicates with the hopper inner chamber.
3. mining plunger displacement pump formula wet shot machine as claimed in claim 2 is characterized in that: the flashboard drive unit is the swing hydraulic jack.
4. mining plunger displacement pump formula wet shot machine as claimed in claim 1, it is characterized in that: explosion-proof type plunger type concrete pump is arranged on the travelling car.
5. mining plunger displacement pump formula wet shot machine as claimed in claim 1 is characterized in that: hard tube comprises continuous hard bend pipe and hard straight tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154648 CN203130106U (en) | 2013-04-01 | 2013-04-01 | Mining plunger pump type wet spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154648 CN203130106U (en) | 2013-04-01 | 2013-04-01 | Mining plunger pump type wet spraying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130106U true CN203130106U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154648 Expired - Fee Related CN203130106U (en) | 2013-04-01 | 2013-04-01 | Mining plunger pump type wet spraying machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203130106U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806268A (en) * | 2015-03-20 | 2015-07-29 | 山东新特机械设备有限公司 | Plunger pump type continuous wet-type guniting machine |
| CN106121694A (en) * | 2016-06-27 | 2016-11-16 | 中国矿业大学 | A kind of underground coal mine distance spraying system |
| CN110130351A (en) * | 2019-06-04 | 2019-08-16 | 周常武 | A kind of sealed wet spraying machine |
| CN111236977A (en) * | 2020-03-12 | 2020-06-05 | 山东亚瑞特机电工程科技有限公司 | Remote patching machine of two butterfly valves |
| CN111622779A (en) * | 2020-05-15 | 2020-09-04 | 中国矿业大学 | Pulse type pressure compensation long-distance concrete conveying device and using method |
-
2013
- 2013-04-01 CN CN 201320154648 patent/CN203130106U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806268A (en) * | 2015-03-20 | 2015-07-29 | 山东新特机械设备有限公司 | Plunger pump type continuous wet-type guniting machine |
| CN106121694A (en) * | 2016-06-27 | 2016-11-16 | 中国矿业大学 | A kind of underground coal mine distance spraying system |
| CN110130351A (en) * | 2019-06-04 | 2019-08-16 | 周常武 | A kind of sealed wet spraying machine |
| CN111236977A (en) * | 2020-03-12 | 2020-06-05 | 山东亚瑞特机电工程科技有限公司 | Remote patching machine of two butterfly valves |
| CN111236977B (en) * | 2020-03-12 | 2021-07-02 | 山东亚瑞特机电工程科技有限公司 | Remote patching machine of two butterfly valves |
| CN111622779A (en) * | 2020-05-15 | 2020-09-04 | 中国矿业大学 | Pulse type pressure compensation long-distance concrete conveying device and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20200401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |