CN201133252Y - Wet concrete jetting apparatus - Google Patents

Wet concrete jetting apparatus Download PDF

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Publication number
CN201133252Y
CN201133252Y CNU2007203094985U CN200720309498U CN201133252Y CN 201133252 Y CN201133252 Y CN 201133252Y CN U2007203094985 U CNU2007203094985 U CN U2007203094985U CN 200720309498 U CN200720309498 U CN 200720309498U CN 201133252 Y CN201133252 Y CN 201133252Y
Authority
CN
China
Prior art keywords
valve
chassis
wet concrete
plate
oil cylinder
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.)
Expired - Fee Related
Application number
CNU2007203094985U
Other languages
Chinese (zh)
Inventor
岳锋
邱天德
黄亮高
邓昀
王子雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing China Coal Mine Engineering Co ltd
Original Assignee
Beijing China Coal Mine Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing China Coal Mine Engineering Co ltd filed Critical Beijing China Coal Mine Engineering Co ltd
Priority to CNU2007203094985U priority Critical patent/CN201133252Y/en
Application granted granted Critical
Publication of CN201133252Y publication Critical patent/CN201133252Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a wet concrete sprayer, including a mechanical transmission mechanism, a pumping station, a feeding mechanism, a chassis and a track wheel. The chassis is provided with a double-spiral feeding mechanism, the end of which is provided with a compressed air pipeline for feeding. The exit end of the double-spiral feeding mechanism is fixed on the fixed plate of a triple valve. The exits of the two spiral feeding mechanisms respectively correspond to two through holes on the fixed plate. The movable plate of the triple valve is mounted on an oil cylinder. Material orifices on the movable plate can be respectively jointed with the through holes on the fixed plate. A sequencing valve is mounted above the chassis, the valve core of which can revolve relative to the valve. The sequencing valve is provided with a pressure oil hole and an oil return hole. An air intake valve is arranged above the chassis. The oil cylinder drives the piston of the air intake valve via a buffer to realize the switch of the air outlet of the air valve. A liquid accelerator tank is provided with an upper and a lower tank mouths, the upper tank mouth communicated with the compressed air pipeline and the lower tank mouth connected with a liquid pipe. A flow dividing block is arranged in a material pipe at the joint of the liquid pipe and the material pipe. A liquid orifice connected with the liquid pipe is arranged inside the flow dividing block.

Description

Wet concrete sprayer
Technical field
The utility model relates to a kind of wet concrete sprayer; Be used for Mine Tunnel Construction.
Background technology
Adopt the dry type concrete spraying machine to carry out roadway construction now in the Mine Tunnel Construction; The concrete material of forming by cement, sand etc. carry, in the mixed process, dust is big, pollutes surrounding environment, it is healthy to influence the workman.Rebound of shotcrete rate height causes the material significant wastage, and concrete strength is not high, has potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of wet concrete sprayer; Adopt wet concrete sprayer to spray the concrete operation and can effectively reduce dust, noise, the protection staff is healthy; Reduce rebound degree, economical with materials; Improve sprayed concrete strength, improve the roadway support level.
A kind of wet concrete sprayer comprises mechanical transmission mechanism, pumping plant, feed mechanism, chassis, rail wheel, and the chassis is provided with the double helix feed mechanism, and the end of this mechanism is provided with the compressed air piping of feeding; The plate of deciding of the port of export of this mechanism and three way cock is fixed, and the outlet of two screw feed mechanisms is corresponding with two through holes difference on deciding plate; The moving plate and the oil cylinder of three way cock are fixed, the material transport hole on the moving plate can be respectively with decide plate on through hole engage; The top, chassis is provided with sequencing valve, and its spool can rotate relative to valve body, and sequencing valve is provided with pressure oilhole and spill port; The top on chassis also is provided with admission valve, and oil cylinder drives the piston motion that realizes that the air valve gas outlet is switched through snubber; The tank body of liquid accelerator is provided with upper and lower jar mouthful, and last jar mouthful is communicated with compressed air hose, and following jar mouthful connects woven hose; In the conveying pipeline of the junction of woven hose and conveying pipeline, be provided with and split the stream piece, split in the stream piece and be provided with the infusion hole that links to each other with woven hose.
The spool and the valve base chamber of described sequencing valve are provided with thrust bearing.
The tank body of described accelerating admixture is provided with liquid surface probing needle.
The chassis is provided with cleans the water pot that residual concrete is used.
The concrete material that the utility model is sent here by hopper, feeding tank body, screw feed mechanism, three way cock and conveying pipeline is split stream and fully and is equably mixed with liquid accelerator by the infusion hole ejection of accelerating admixture jar through splitting the stream piece through splitting the stream piece, the concrete of ejection combines with wall firmly, obtains higher workmanship.Control by fluid pressure line and hydraulic part by sequencing valve in the wet concrete sprayer work, stable working, automaticity is higher, has improved workman's condition of labor.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
A kind of wet concrete sprayer comprises that mechanical transmission mechanism 7, pumping plant 6, feed mechanism, chassis 11, rail take turns 10 (see figure 1)s; Described chassis 11 is provided with double helix feed mechanism 9; The end of this mechanism is provided with the compressed air piping 12 of feeding; The plate of deciding of the port of export of this mechanism and three way cock 13 is fixed, and the outlet of two screw feed mechanisms is corresponding with two through holes difference on deciding plate; The moving plate and the oil cylinder of three way cock 13 are fixed, the material transport hole on the moving plate can be respectively with decide plate on through hole engage; The double helix feed mechanism is set up in parallel by two screw feed mechanisms.The top, chassis of wet concrete sprayer is provided with sequencing valve 5, and its spool can rotate relative to valve body, and sequencing valve 5 is provided with pressure oilhole and spill port; Pressure oilhole on the spool is made as vertical pressure oilhole and horizontal pressure force oilhole, spool is provided with several horizontal pressure force oilholes, the vertical pressure oilhole is communicated with each horizontal pressure force oilhole, valve body is provided with some logical oilholes, by the logical oilhole of vertical pressure oilhole on horizontal pressure force oilhole and valve body pressure oil is delivered to the oil suction chamber of hydraulic part through pipe from the pressure oil of oil pump; Spill port on the spool is made as vertical spill port and horizontal spill port, spool is provided with several horizontal spill ports, vertically spill port is communicated with each horizontal spill port, flows back to fuel tank through pipe from the oil of hydraulic part oil back chamber outflow again through the logical oilhole on the valve body and the horizontal spill port on the spool and vertical spill port.11 tops, chassis of wet concrete sprayer are provided with admission valve 1, and oil cylinder is realized the switching of air valve gas outlet through the piston that snubber drives air valve; Liquid accelerator jar 17 is provided with upper and lower jar mouthful 19,32, and last jar of mouth 19 is communicated with compressed air hose 23, and compressed air hose 23 links to each other with compressed air source; The strainer 33 that is positioned at following jar mouthful 32 is connecting woven hose 24; Be provided with in the conveying pipeline 14 of the junction of woven hose 15 and conveying pipeline 14 and split stream piece 36, split in the stream piece 36 and be provided with the infusion hole 34 that links to each other with woven hose 15, infusion hole is provided with efferent duct 35 (see figure 2)s for 34 li.The tank body 17 of accelerating admixture is provided with liquid surface probing needle 18, accelerating admixture what is used for detecting, so that in time add accelerating admixture.Present embodiment is established two for motor vehicle chassis 11, is respectively equipped with four rails wheels 10 below each chassis 11; Liquid accelerator jar 17 and water pot 29 are installed on the chassis 11; Pumping plant 6, mechanical transmission mechanism 7, sequencing valve 5, admission valve 1, pilot-operated vent valve 2, double helix feed mechanism 9 and three way cock 13 are installed on another chassis 11.During work, at first the concrete that stirs is put into hopper; Simultaneously, start the oil pump of pumping plant 6 and the motor of mechanical transmission mechanism 7; Open the swing lid 4 that is positioned at below the hopper by sequencing valve 5 through oil cylinder, concrete is sent in the corresponding screw feed mechanism by hopper, feeding tank body 3, and the clutch 8 of the screw rod end of this screw feed mechanism is closed under the control of oil cylinder and shift fork; Motor drives screw rod and rotates through mechanical transmission mechanism, clutch 8, and concrete is fed forward.The compressed air of being sent here by compressed air source enters the end of screw feed mechanism through admission valve 1, compressed air hose 12, and concrete is mixed and transmits; Concrete continues to be fed forward through three way cock 13, conveying pipeline 14; Simultaneously, the liquid accelerator of 17 li in liquid accelerator jar sprays through filter 33, woven hose 24, two-position three-way valve 27, woven hose 15 and infusion hole 34, the efferent duct 35 that the splitting in the stream piece 36 that are contained in conveying pipeline 14 under compressed-air actuated effect; Concrete and liquid accelerator are mixed fully, then from shower nozzle 16 ejections.When two screw feed mechanism alternations, out-of-work screw feed mechanism is through pilot-operated vent valve 2 venting, so that charging.When complete machine shuts down, master cock 26, two-position three-way valve 27; The water that the compressed air hose of being sent here by compressed air source 23 of compressed air, switch 26 pushing water pots are 29 li, water in the water pot is sprayed through shower nozzle 16 by strainer 31, water pipe 30, two-position three-way valve 27, woven hose 15, concrete remaining in the wet concrete sprayer is cleaned.On last jar mouth 19, be provided with outlet valve 20, be provided with strainer 22 in the last jar of mouth 19, be positioned at jar top of mouth 19 and be provided with the pressure meter 21 that links to each other with compressed air line.Compressed air hose 23 leads to liquid accelerator jar 17 through tee pipe coupling 25, a tunnel, and another road leads to water pot 29 through switch 26 and the pipe that is loaded on the water pot lid 28.

Claims (4)

1, a kind of wet concrete sprayer comprises mechanical transmission mechanism, pumping plant, feed mechanism, chassis, rail wheel, and it is characterized in that: the chassis is provided with the double helix feed mechanism, and the end of this mechanism is provided with the pressure air pipeline of feeding; The plate of deciding of the port of export of this mechanism and three way cock is fixed, and the outlet of two screw feed mechanisms is corresponding with two through holes difference on deciding plate; The moving plate and the oil cylinder of three way cock are fixed, the material transport hole on the moving plate can be respectively with decide plate on through hole engage; The top, chassis is provided with sequencing valve, and its spool can rotate relative to valve body, and sequencing valve is provided with pressure oilhole and spill port; The top on chassis also is provided with admission valve, and oil cylinder drives the air valve piston motion that realizes that the air valve gas outlet is switched through snubber; The tank body of liquid accelerator is provided with upper and lower jar mouthful, and last jar mouthful is communicated with compressed air hose, and following jar mouthful connects woven hose; In the conveying pipeline of the junction of woven hose and conveying pipeline, be provided with and split the stream piece, split in the stream piece and be provided with the infusion hole that links to each other with woven hose.
2, wet concrete sprayer as claimed in claim 1 is characterized in that: described sequencing valve spool and valve base chamber are provided with thrust bearing.
3, wet concrete sprayer as claimed in claim 1 is characterized in that: the tank body of described accelerating admixture is provided with liquid surface probing needle.
4, wet concrete sprayer as claimed in claim 1 is characterized in that: the chassis is provided with cleans the water pot that residual concrete is used.
CNU2007203094985U 2007-12-27 2007-12-27 Wet concrete jetting apparatus Expired - Fee Related CN201133252Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007203094985U CN201133252Y (en) 2007-12-27 2007-12-27 Wet concrete jetting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007203094985U CN201133252Y (en) 2007-12-27 2007-12-27 Wet concrete jetting apparatus

Publications (1)

Publication Number Publication Date
CN201133252Y true CN201133252Y (en) 2008-10-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007203094985U Expired - Fee Related CN201133252Y (en) 2007-12-27 2007-12-27 Wet concrete jetting apparatus

Country Status (1)

Country Link
CN (1) CN201133252Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733823A (en) * 2012-07-03 2012-10-17 河南省煤炭科学研究院有限公司 Mining method for jetting concrete in wet type
CN103510966A (en) * 2013-10-09 2014-01-15 葛洲坝新疆工程局(有限公司) Combination wet-type concrete wet spraying machine
CN105313023A (en) * 2015-11-23 2016-02-10 南通天鸿镭射科技有限公司 Precise sand supplying system device
CN111396087A (en) * 2020-04-02 2020-07-10 广东水电二局股份有限公司 Device for reducing rebound rate of backfilled sprayed concrete

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733823A (en) * 2012-07-03 2012-10-17 河南省煤炭科学研究院有限公司 Mining method for jetting concrete in wet type
CN102733823B (en) * 2012-07-03 2015-06-10 河南省煤炭科学研究院有限公司 Mining method for jetting concrete in wet type
CN103510966A (en) * 2013-10-09 2014-01-15 葛洲坝新疆工程局(有限公司) Combination wet-type concrete wet spraying machine
CN103510966B (en) * 2013-10-09 2016-04-13 葛洲坝新疆工程局(有限公司) A kind of combination Wet-type concrete wet-spraying machine
CN105313023A (en) * 2015-11-23 2016-02-10 南通天鸿镭射科技有限公司 Precise sand supplying system device
CN111396087A (en) * 2020-04-02 2020-07-10 广东水电二局股份有限公司 Device for reducing rebound rate of backfilled sprayed concrete
CN111396087B (en) * 2020-04-02 2020-11-06 广东水电二局股份有限公司 Device for reducing rebound rate of backfilled sprayed concrete

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081015

Termination date: 20111227