CN101487260B - Concrete sprayer with pneumatic conveyer - Google Patents

Concrete sprayer with pneumatic conveyer Download PDF

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Publication number
CN101487260B
CN101487260B CN2009100961370A CN200910096137A CN101487260B CN 101487260 B CN101487260 B CN 101487260B CN 2009100961370 A CN2009100961370 A CN 2009100961370A CN 200910096137 A CN200910096137 A CN 200910096137A CN 101487260 B CN101487260 B CN 101487260B
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CN
China
Prior art keywords
concrete
hopper
pneumatic conveyer
blanking barrel
concrete sprayer
Prior art date
Application number
CN2009100961370A
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Chinese (zh)
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CN101487260A (en
Inventor
黄黎
冯增强
张圣国
权景伟
刘兰勇
阮红兵
楼贤政
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杭州求是支护器材有限公司
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Priority to CN2009100961370A priority Critical patent/CN101487260B/en
Publication of CN101487260A publication Critical patent/CN101487260A/en
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Publication of CN101487260B publication Critical patent/CN101487260B/en

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Abstract

The invention discloses a concrete injection machine with an airflow conveying device, integrating a mixing device, a feeding device and a material outlet device into a whole, in particular relates to the concrete injection machine uses an airflow conveying principle, utilizes the compressed air to convey the material from the soft pipe to the nozzle in the form of rarefied flow and directly injects the material. When in specific work, the concrete mixed in the material box enters a material feeding pipe under the action of a material falling cylinder and a vibration mechanism; subsequently, the concrete suspended in the material feeding pipe is quickly and sufficiently mixed with liquid accelerated agent at the nozzle of the injection pipe by the airflow power conveying action of the compressed air and is then injected out of the nozzle at high speed. The concrete injection machine has novel design, compact structure, good working effect, long service life, and wide market prospect in the fields such as hydropower engineering, underground tunnel, culverts, subway engineering and coal moor mine tunnels, and the like.

Description

A kind of concrete sprayer with pneumatic conveyer
Technical field
The present invention relates to the concrete sprayer in a kind of engineering mechanical device, relate in particular to a kind of concrete sprayer with pneumatic conveyer.
Background technology
Concrete sprayer is widely used in the sprayed mortar strengthening construction operation of hydroelectric project, subterranean tunnel, culvert, subway engineering and colliery moor mine laneway.
The concrete sprayer that six kinds of patterns are arranged at present both at home and abroad approximately: pumping formula, spiral, drum type, squeezing tube formula and rotator type.Modern most widely used general with the rotator type product, homemade goods has: Pz5 type dry spraying machine, HPc6 type wet shot machine; External product has: Furukawa Electronic's dry spraying machine, Switzerland A Liwa wet shot machine.
The rotator type concrete sprayer of existing widespread usage on the market, part in use all comes with some shortcomings: plane clearance is sealed with obvious defects, and the rotator type pulp shooting machine belongs to the sealing of level pressure power forced friction, and it is unreliable to seal, seal is changed frequent, the energy consumption height, dust is big, operating cost is high, and application life is short, and friction board only has 50-70 hour application life, adopt the batch (-type) feeding device, the hopper volume is big, and actual whitewashing operation element amount is big, inefficiency.
Summary of the invention
The present invention is directed to the deficiency that concrete sprayer exists in the prior art and improve, and a kind of concrete sprayer with pneumatic conveyer is provided.
For solving the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of concrete sprayer with pneumatic conveyer, comprise hopper, mixing plant, drawing-in device and drawing mechanism, hopper is provided with charging aperture, drawing-in device comprises blanking barrel, the blanking barrel upper end is connected with hopper, drawing mechanism comprises power conveying mechanism and playpipe, and described blanking barrel place is provided with one and can drives blanking barrel and make the vibrating mechanism that moves back and forth in the horizontal direction; Described power conveying mechanism is a pneumatic conveyer, pneumatic conveyer comprises feed pipe, feed pipe is a three-port structure, vertical upper connecting blanking barrel and with the blanking barrel internal communication, level one end is connecting air inlet pipe, and the horizontal other end is connecting playpipe, after air-flow enters from air inlet pipe, driving drops to concrete in the feed pipe from blanking barrel, and concrete is sprayed from playpipe.
As preferably, described mixing plant comprises shaft, and shaft laterally is located at hopper inside, makes shaft fully to stir the concrete in the hopper, and shaft is provided with several paddles, and shaft is connected with motor and reducer.Be provided with water inlet pipe in the described hopper.The effect that reducer is set is can be according to the slewing rate of the concrete stirring demand timely adjustment shaft of different humidity.
Wherein, structures such as hopper, mixing plant, drawing-in device and drawing mechanism are the continous way operation, and automaticity is higher, and material stirs, and it is less that the hopper size is checked, and complete machine weight is relatively low.
As preferably, described hopper is provided with observation panel and access hole, and the charging aperture place is provided with feed cap.The purpose that observation panel is set is the working condition in the hoppers such as the water inlet that makes the staff can be observed water inlet pipe place in the hopper, concrete stirring; The purpose that access hole is set is to occur when unusual when operating mechanism in the hopper, makes things convenient for staff each operating mechanism in the access hole maintenance hopper; The purpose that feed cap is set is charging aperture is barred up, and avoids other foreign material to fall in the hopper.
As preferably, described hopper is located on the vehicle frame, and vehicle frame is provided with wheel, makes complete machine can move quickly into assigned address as required.One end of described shaft also is provided with end cap, has made things convenient for the installation and removal of motor and gearbox.
As preferably, described vibrating mechanism comprises cam, vibrating motor and vibration reducer, and the work of vibrating motor driving cam drives blanking barrel and moves back and forth in the horizontal direction.During concrete work, can be according to different concrete whereabouts demands, the vibration frequency of timely adjustment vibrating mechanism.
As preferably, the present invention also comprises control cabinet, and control cabinet is provided with several buttons, and control cabinet is connected with motor, vibrating motor.During concrete work, come each workflow of the present invention is controlled in good time by the button of pressing on the control cabinet.
As preferably, described blanking barrel is provided with one can intercept the opening and closing device that material falls, and opening and closing device links to each other with a transmission mechanism, opening and closing device comprises air door, the air door upper end is provided with axle of the air door, and transmission mechanism comprises push rod, and push rod can promote air door and rotatablely move around axle of the air door.The effect of air door is to make blanking barrel upper end open closure, intercepts the decline passway of hopper inner concrete, makes the hopper inner concrete not drop in the feed pipe by blanking barrel.
As preferably, push rod one end of described transmission mechanism is connected with piston, and piston is located in the closed cylinder, and air-flow promotes piston motion in the cylinder, and then drives the push rod horizontal movement.Adopted the pneumatic actuation principle herein, piston drives the push rod horizontal movement, and push rod promotes air door again and rotatablely moves around axle of the air door.
Compared with prior art, the present invention is owing to adopted above technical scheme, collection mixing plant, drawing-in device and drawing mechanism are one, have especially used the air-flow conveying principle, utilize compressed air that material is delivered to nozzle with the form of " thin stream " in flexible pipe and directly spray.During concrete work, the concrete that stirs in the hopper enters in the feed pipe by the effect of blanking barrel and vibrating mechanism, then by the effect of compressed-air actuated air-flow transmitting power, with the concrete that is suspended in the feed pipe, fully mix the back at playpipe nozzle place fast with liquid accelerator and spray at a high speed from nozzle.Modern design of the present invention, compact conformation, good working effect, long service life have vast market prospect in fields such as hydroelectric project, subterranean tunnel, culvert, subway engineering and colliery moor mine laneways.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of drawing-in device among Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail:
Embodiment as depicted in figs. 1 and 2, a kind of concrete sprayer with pneumatic conveyer comprises hopper 6, mixing plant, drawing-in device and drawing mechanism.Wherein, hopper 6 is provided with charging aperture 8, and charging aperture 8 places are provided with feed cap 7, are provided with water inlet pipe 4 in the hopper 6, and hopper 6 is provided with observation panel 5 and access hole 9, and an end of hopper 6 is provided with end cap 1.
Mixing plant comprises shaft 12, and shaft 12 laterally is located at hopper 6 inside, and shaft 12 is provided with several paddles 11, and an end of shaft 12 is connected with motor 3, and motor 3 also is connected with the reducer 2 that can control shaft 12 slewing rates.
Drawing-in device comprises blanking barrel 17, blanking barrel 17 upper ends are connected with hopper 6, blanking barrel 17 places are provided with one and can drive blanking barrel 17 and make the vibrating mechanism 18 that moves back and forth in the horizontal direction, vibrating mechanism 18 comprises cam 20, vibrating motor 21 and vibration reducer 22,20 work of vibrating motor 21 driving cams drive blanking barrel 17 and move back and forth in the horizontal direction.Also be provided with one in the blanking barrel 17 and can intercept the opening and closing device 28 that material falls, opening and closing device 28 comprises air door 26, air door 26 upper ends are provided with axle of the air door 23, opening and closing device links to each other with transmission mechanism 15, and transmission mechanism 15 comprises push rod 24, and push rod 24 can promote air door 26 around axle of the air door 23 fan-shaped rotatablely moving, push rod 24 1 ends are connected with piston 25, piston 25 is located at closed cylinder 29 inside, and air-flow promotes piston 25 motions in the cylinder 29, and then drives push rod 24 horizontal movements.
When concrete sprayer does not need to feed pipe 16 feedings, push rod 24 is moved to the left under the dynamic action of cylinder 29 internal gas flows, and then promote air door 26 around axle of the air door 23 clockwise fan-shaped rotatablely moving, make that the passage between hopper 6 and the blanking barrel 17 is intercepted, concrete can not drop in the feed pipe 16 in the hopper 6; When concrete sprayer when stirring and spray work, push rod 24 moves right under the dynamic action of cylinder 29 internal gas flows, air door 26 under the effect of self gravitation around axle of the air door 23 counterclockwise fan-shaped rotatablely moving, form decline passway between hopper 6 and the blanking barrel 17, the concrete that stirs in the hopper 6 drops in the power conveying mechanism of below by the effect of blanking barrel 17 and vibrating mechanism 18, is injected into the appointed area along playpipe 13 then.
The power conveying mechanism is a pneumatic conveyer, pneumatic conveyer comprises feed pipe 16, feed pipe 16 is a three-port structure, vertical upper connecting blanking barrel 17 and with blanking barrel 17 internal communication, level one end is connecting air inlet pipe 19, the horizontal other end is connecting playpipe 13, after air-flow enters from air inlet pipe 19, driving drops in the feed pipe 16 and is suspended in concrete in the feed pipe 16 from blanking barrel 17, fully mixes the back at playpipe 13 nozzle places fast with liquid accelerator and sprays at a high speed from nozzle.
Can move to assigned address as required rapidly for the ease of concrete sprayer, hopper 6 is located on the vehicle frame 27, also is provided with wheel 14 on the vehicle frame 27.
For the ease of controlling each actuating unit well, the present invention also is provided with control cabinet 10, control cabinet 10 is provided with several buttons, and control cabinet 10 is connected with motor 3, vibrating motor 21, comes each workflow of the present invention is controlled in good time by the button of pressing on the control cabinet 10.
The present invention is not limited to above-mentioned embodiment, no matter do any variation on its shape size, every air-flow conveying principle of using in wet concrete sprayer comes device that concrete is sprayed, all drops within protection scope of the present invention.In a word, protection scope of the present invention should comprise those conspicuous for those of ordinary skills conversion or substitute and change shape.

Claims (9)

1. concrete sprayer with pneumatic conveyer, comprise hopper (6), mixing plant, drawing-in device and drawing mechanism, hopper (6) is provided with charging aperture (8), drawing-in device comprises blanking barrel (17), blanking barrel (17) upper end is connected with hopper (6), drawing mechanism comprises power conveying mechanism and playpipe (13), it is characterized in that: described blanking barrel (17) is located to be provided with one and can be driven blanking barrel (17) and make the vibrating mechanism (18) that moves back and forth in the horizontal direction; Described power conveying mechanism is a pneumatic conveyer, pneumatic conveyer comprises feed pipe (16), feed pipe (16) is a three-port structure, vertical upper connecting blanking barrel (17) and with blanking barrel (17) internal communication, level one end is connecting air inlet pipe (19), and the horizontal other end is connecting playpipe (13), after air-flow enters from air inlet pipe (19), driving drops to concrete in the feed pipe (16) from blanking barrel (17), and concrete is sprayed from playpipe (13).
2. a kind of concrete sprayer according to claim 1 with pneumatic conveyer, it is characterized in that: described mixing plant comprises shaft (12), shaft (12) laterally is located at hopper (6) inside, shaft (12) is provided with several paddles (11), and shaft (12) is connected with motor (3) and reducer (2).
3. a kind of concrete sprayer with pneumatic conveyer according to claim 2 is characterized in that: be provided with water inlet pipe (4) in the described hopper (6).
4. a kind of concrete sprayer with pneumatic conveyer according to claim 1 is characterized in that: described hopper (6) is provided with observation panel (5) and access hole (9), and charging aperture (8) locates to be provided with feed cap (7).
5. a kind of concrete sprayer with pneumatic conveyer according to claim 1 is characterized in that: described hopper (6) is located on the vehicle frame (27), and vehicle frame (27) is provided with wheel (14), and an end of hopper (6) also is provided with end cap (1).
6. a kind of concrete sprayer according to claim 1 with pneumatic conveyer, it is characterized in that: described vibrating mechanism (18) comprises cam (20), vibrating motor (21) and vibration reducer (22), vibrating motor (21) driving cam (20) work drives blanking barrel (17) and moves back and forth in the horizontal direction.
7. a kind of concrete sprayer with pneumatic conveyer according to claim 6 is characterized in that: also comprise control cabinet (10), control cabinet (10) is provided with several buttons, and control cabinet (10) is connected with motor (3), vibrating motor (21).
8. a kind of concrete sprayer according to claim 1 with pneumatic conveyer, it is characterized in that: described blanking barrel (17) is provided with one can intercept the opening and closing device (28) that material falls, opening and closing device (28) links to each other with a transmission mechanism (15), opening and closing device (28) comprises air door (26), air door (26) upper end is provided with axle of the air door (23), transmission mechanism (15) comprises push rod (24), and push rod (24) can promote air door (26) around fan-shaped the rotatablely moving of axle of the air door (23).
9. a kind of concrete sprayer according to claim 8 with pneumatic conveyer, it is characterized in that: push rod (24) one ends in the described transmission mechanism (15) are connected with piston (25), piston (25) is located in the closed cylinder (29), the interior air-flow of cylinder (29) promotes piston (25) motion, and then drives push rod (24) horizontal movement.
CN2009100961370A 2009-02-12 2009-02-12 Concrete sprayer with pneumatic conveyer CN101487260B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100961370A CN101487260B (en) 2009-02-12 2009-02-12 Concrete sprayer with pneumatic conveyer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100961370A CN101487260B (en) 2009-02-12 2009-02-12 Concrete sprayer with pneumatic conveyer

Publications (2)

Publication Number Publication Date
CN101487260A CN101487260A (en) 2009-07-22
CN101487260B true CN101487260B (en) 2011-01-05

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192122B (en) * 2010-03-04 2013-02-27 徐工集团工程机械股份有限公司建设机械分公司 Concrete pump
CN101852334B (en) * 2010-04-22 2012-12-19 广东建华管桩有限公司 Pneumatic and automatic conveying device for residual slurry
CN102817623A (en) * 2012-09-11 2012-12-12 徐州中部矿山设备有限公司 Dry powder accelerator conveying device for mining automatic feeding concrete spraying machine
CN104453941A (en) * 2013-09-16 2015-03-25 姚来平 Direct-spraying type concrete sprayer
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
CN106219246B (en) * 2016-09-22 2018-05-01 付建华 A kind of cement mortar transport machine
CN108789769B (en) * 2018-04-28 2019-08-20 中国矿业大学 A kind of underground cavity intelligence filling system
CN108772937B (en) * 2018-04-28 2019-07-19 中国矿业大学 A kind of underground cavity intelligence placement method
CN111197298A (en) * 2020-01-08 2020-05-26 中交上海航道局有限公司 Sand-free concrete positioning and throwing device and throwing method

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