CN2340515Y - Wet-type concrete sprayer - Google Patents
Wet-type concrete sprayer Download PDFInfo
- Publication number
- CN2340515Y CN2340515Y CN 98207689 CN98207689U CN2340515Y CN 2340515 Y CN2340515 Y CN 2340515Y CN 98207689 CN98207689 CN 98207689 CN 98207689 U CN98207689 U CN 98207689U CN 2340515 Y CN2340515 Y CN 2340515Y
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- rotor
- pipeline
- valve
- ball valve
- liquid accelerator
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- Expired - Fee Related
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Abstract
The utility model relates to a wet concrete sprayer, which is applicable to concrete with a water-cement spraying ratio of 0.40-0.45. The utility model discloses a rotor adopts whole disc, and rotor material chamber is straight-through bore for big end down's single row fan-shaped hole, and rotor hold-down mechanism is unique hydraulic means to be equipped with vapour-pressure type liquid accelerator and add the device. The utility model discloses it is high to have material chamber volume efficiency, and the rotor packing force is adjusted accurately, and the injection concrete rebound rate reduces to 8%, and the construction dust is less than 30 mg/meter3The strength of the sprayed concrete is improved.
Description
The utility model relates to a kind of wet concrete sprayer, is applicable to all kinds of caverns and sprayed concrete of substructure work such as mine working, traffic tunnel lead to, water conservancy tunnel, civil air defense constructions and installations.
At present, used concrete sprayer, the overwhelming majority is that dust is big in executing soil in formula rotor-injection machine, up to 500mg/ rice
3, rebound degree is up to 20%-30%, and concrete strength is low, and in recent years, the helicoidal pump wet concrete sprayer is succeeded in developing, but because productivity effect is low, the screw rod life-span is short, maintenance is difficulty relatively, so not seen widespread use.What have once carried out local improvement to existing dry type concrete spraying machine, being applicable to wet type concrete spraying operation, but because the ratio of mud less (less than 0.40), and can't solve problem such as plugging, did not also enter practical application.
The purpose of this utility model is the problem at above-mentioned existence, proposes the wet concrete sprayer that a kind of dust is low, rebound degree is few, concrete strength is high.
A kind of wet concrete sprayer comprises:
Transmission system, this transmission system is made up of the motor, shaft joint, the decelerator that are packed on the frame, drives rotor rotation;
Air-channel system, this air-channel system is made up of cock, Pressure gauge, pipe joint;
Spraying system, this spraying system is made up of injection sebific duct, shower nozzle;
Rotor, this rotor is between upper and lower seal friction plate;
It is characterized in that:
The a rotor is whole disc, and rotor material chamber is that the through type bore is up-small and down-big single scallop hole;
B rotor hold-down mechanism is made up of following parts:
Manual pump, this manual pump is installed in central rack, and its pump housing communicates with fuel tank through fluid pressure line, and pressure oil is provided, and manually delivery side of pump is connected with hydraulic cylinder through check valve 14, reversal valve and ball valve 16 and fluid pressure line;
Hydraulic cylinder, this hydraulic cylinder is positioned at rotor one side, is installed on the frame, and its tailpiece of the piston rod and clamping arm are hinged, the oil inlet end of hydraulic cylinder is connected with manual pump by ball valve 16, reversal valve, check valve 14, fluid pressure line, and the draining end of hydraulic cylinder communicates with fuel tank by reversal valve, fluid pressure line;
Clamping arm, this clamping arm is positioned on the rotor, and an end of clamping arm is hinged on tailpiece of the piston rod, and the other end of clamping arm is hinged on the support, and the middle part and the upper cover plate of clamping arm are hinged;
Last seal friction plate, this plate are the round rubber plate that has the material loading hole, be packed in the hinged upper cover plate of clamping arm on, its bottom slip mutually with rotor top;
Lower seal friction plate, this plate are the round rubber plate that has blanking hole, are packed on the frame, and slip mutually with the rotor bottom on its top;
C is provided with vapour-pressure type liquid accelerator adding set, and this device is made up of following parts:
The liquid accelerator jar, this jar is positioned at central rack, and its top is connected with check valve 24 with safety valve respectively by pipeline, and the lower end of liquid accelerator jar is connected with ball valve 21 by pipeline;
Ball valve 21, the two ends of this ball valve are connected with corrosion-resistant suspended body flowmeter with the liquid accelerator jar by pipeline respectively;
Corrosion-resistant suspended body flowmeter, an end of this flowmeter is connected with ball valve 21 by pipeline, and the other end of this flowmeter is connected with shower nozzle by pipeline;
Safety valve, this valve are positioned at liquid accelerator jar top, are connected with the liquid accelerator jar by pipeline.
Owing to adopt technique scheme, the utility model has improved rotor material chamber volume usefulness effectively, and the rotor hold-down mechanism can make the rotor thrust accurately regulate, and the interpolation of liquid accelerator is more accurately convenient, it is little to the utlity model has dust, and the construction dust is lower than 30mg/ rice
3, the rebound of shotcrete rate can be reduced to 8%.Concrete strength is improved.
Fig. 1 is the utility model structural representation.
Fig. 2 is a rotor structure figure.
Fig. 3 is the rotor vertical view.
Fig. 4 is a rotor hold-down mechanism hydraulic schematic diagram.
Fig. 5 is a rotor hold-down mechanism schematic diagram.
Fig. 6 is a rotor hold-down mechanism vertical view.
Fig. 7 is a liquid accelerator adding set principle schematic.
In conjunction with the accompanying drawings the utility model is further described as follows:
A kind of wet concrete sprayer comprises: transmission system, this transmission system are by the motor 2 that is packed on the frame 1, and shaft joint, decelerator 3 are formed, and drive rotor 4 and rotate; Air-channel system is made up of cock, Pressure gauge, pipe joint; Spraying system is by spraying sebific duct 5, and shower nozzle 6 is formed; Rotor is between last seal friction plate 7 and lower seal friction plate 8; It is characterized in that: a rotor is whole disc, and rotor material chamber 9 is that the through type bore is up-small and down-big single scallop hole, adopts this construction rotor can make wet stock be easy to down row, is difficult for being bonded in material chamber wall, has solved concrete plugging phenomenon effectively; On the other hand, under the certain prerequisite of rotor size, increase material chamber volume to greatest extent, improved the production capacity of complete machine; B rotor hold-down mechanism is by manual pump 10, hydraulic cylinder 11, clamping arm 12, last seal friction plate, the lower seal friction plate is formed, manual pump is packed in central rack, its pump housing communicates with fuel tank 13 through fluid pressure line, pressure oil is provided, and manually delivery side of pump is connected with hydraulic cylinder through check valve 14, reversal valve 15 and ball valve 16 and fluid pressure line; Hydraulic cylinder is positioned at rotor one side, is installed on the frame, and its tailpiece of the piston rod and clamping arm are hinged, the oil inlet end of hydraulic cylinder is by ball valve 16, reversal valve 15, check valve 14, fluid pressure line is connected with manual pump, and the draining end of hydraulic cylinder is by reversal valve 15, and fluid pressure line communicates with fuel tank; Compress, the middle part of clamping arm and upper cover plate 18 are hinged; Last seal friction plate, this plate are the round rubber plate that has the material loading hole, be packed in the hinged upper cover plate of clamping arm on, its bottom slip mutually with rotor top; Lower seal friction plate, this plate are the round rubber plate that has blanking hole, are packed on the frame, and slip mutually with the rotor bottom on its top.Adopt this rotor hold-down mechanism, can regulate at any time by manual pump the thrust of rotor, thereby can make complete machine be in optimum Working all the time, the while rotor is pressurized in the middle, can make upper and lower seal friction plate wearing and tearing evenly, prolongs its service life.
Vapour-pressure type liquid accelerator adding set is made up of liquid accelerator jar 19, ball valve 20, ball valve 21, ball valve 22, corrosion-resistant suspended body flowmeter 23, check valve 24, safety valve 25, the liquid accelerator jar is positioned at central rack, its top is connected with check valve 24 with safety valve respectively by pipeline, and the lower end of liquid accelerator jar is connected with ball valve 21 by pipeline; The two ends of ball valve 21 are connected with corrosion-resistant suspended body flowmeter with the liquid accelerator jar by pipeline respectively; Corrosion-resistant suspended body flowmeter, an end of this flowmeter links to each other with ball valve 21 by pipeline, and the other end of this flowmeter is connected with shower nozzle by pipeline; Check valve 24, an end of this valve is connected with the liquid accelerator jar by pipeline, and the other end is connected with ball valve 20 by pipeline; Ball valve 20, an end of this ball valve is connected with check valve 24 by pipeline, and the other end is connected with air inlet by pipeline; Safety valve is positioned at liquid accelerator jar top, be connected with the liquid accelerator jar by pipeline, after compressed air enters the I gas circuit, by ball valve 20, check valve 24 enters the liquid accelerator jar that liquid accelerator is housed, and through ball valve 21, corrosion-resistant suspended body flowmeter is pressed into the shower nozzle place to be mixed with the coagulation soil phase that is about to ejection with liquid accelerator, corrosion-resistant suspended body flowmeter can carry out step-less adjustment to the liquid accelerator of flowing through wherein, thus the addition of control liquid accelerator.Check valve 24 can prevent the backflow of liquid accelerator.Safety valve can prevent hypertonia in the liquid accelerator jar.Consider the compressed-air actuated linear loss in the I gas circuit, compressed air carries out ftercompction by the liquid accelerator of II gas circuit before 22 pairs of ball valves enter shower nozzle, so that liquid accelerator mixes better with coagulation in shower nozzle.Adopt vapour-pressure type liquid accelerator adding set, in construction, can use the liquid accelerator of different brands; Can regulate the addition of liquid accelerator rapidly according to concrete condition of construction on the other hand, to guarantee best construction quality.In the utility model complete machine when work,, by machinery or manually will join rotor material chamber by hopper 26 through the water-bearing concreae material (ratio of mud can reach 0.40-0.45) of stirring, motor drives rotor rotation by decelerator.Water-bearing concreae material in the rotor material chamber is compressed air and is blown into the injection sebific duct, and be compressed air blow fully mix to the liquid accelerator at shower nozzle place after, the wet type concrete is directed onto and is subjected on the spray plane.
Claims (1)
- A kind of wet concrete sprayer comprises:Transmission system, this transmission system be by the motor that is packed on the frame, shaft joint, and decelerator is formed, and drives rotor rotation;Air-channel system, this air-channel system is made up of cock, Pressure gauge, pipe joint;Spraying system, this spraying system is made up of injection sebific duct, shower nozzle;Rotor, this rotor is between upper and lower seal friction plate;It is characterized in that:A changes hands and is that whole disc, rotor material chamber are that the through type bore is up-small and down-big single scallop hole;B rotor hold-down mechanism is made up of following parts:Manual pump, this manual pump is installed in central rack, and its pump housing communicates with fuel tank through fluid pressure line, and pressure oil is provided, and manually delivery side of pump is connected with hydraulic cylinder through check valve 14, reversal valve and ball valve 16 and fluid pressure line;Hydraulic cylinder, this hydraulic cylinder are positioned at rotor one side, are installed on the frame, its tailpiece of the piston rod and clamping arm are hinged, the oil inlet end of hydraulic cylinder is connected with manual pump by ball valve 16, reversal valve, check valve 14, fluid pressure line, and the draining end of hydraulic cylinder is by reversal valve, and fluid pressure line communicates with fuel tank;Clamping arm, this clamping arm is positioned on the rotor, and an end of clamping arm is hinged on tailpiece of the piston rod, and the other end of clamping arm is hinged on the support, and the middle part and the upper cover plate of clamping arm are hinged;Last seal friction plate, this plate are the round rubber plate that has the material loading hole, be packed in the hinged upper cover plate of clamping arm on, its bottom slip mutually with rotor top;Lower seal friction plate, this plate are the round rubber plate that has blanking hole, are packed on the frame, and slip mutually with the rotor bottom on its top;C is provided with vapour-pressure type liquid accelerator adding set, and this device is made up of following parts:The liquid accelerator jar, this jar is positioned at central rack, and its top is connected with check valve 24 with safety valve respectively by pipeline, and the lower end of liquid accelerator jar is connected with ball valve 21 by pipeline;Ball valve 21, the two ends of this ball valve are connected with corrosion-resistant suspended body flowmeter with the liquid accelerator jar by pipeline respectively;Corrosion-resistant suspended body flowmeter, an end of this flowmeter is connected with ball valve 21 by pipeline, and the other end of this flowmeter is connected with shower nozzle by pipeline;Check valve 24, an end of this valve is connected with the liquid accelerator jar by pipeline, and the other end is connected with ball valve 20 by pipeline;Ball valve 20, an end of this ball valve is connected with check valve 24 by pipeline, and end is connected with air inlet by pipeline in addition;Safety valve, this valve are positioned at liquid accelerator jar top, are connected with the liquid accelerator jar by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98207689 CN2340515Y (en) | 1998-08-03 | 1998-08-03 | Wet-type concrete sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98207689 CN2340515Y (en) | 1998-08-03 | 1998-08-03 | Wet-type concrete sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2340515Y true CN2340515Y (en) | 1999-09-29 |
Family
ID=33963566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98207689 Expired - Fee Related CN2340515Y (en) | 1998-08-03 | 1998-08-03 | Wet-type concrete sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2340515Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812995A (en) * | 2010-04-14 | 2010-08-25 | 北京中煤矿山工程有限公司 | Cam control system |
| CN101581151B (en) * | 2009-06-15 | 2010-12-01 | 张晶廷 | Concrete sprayer of composite wall body |
| CN103912126A (en) * | 2012-12-31 | 2014-07-09 | 李长青 | Hydraulic automatic compression device for rotor concrete spraying machine grinding plates |
-
1998
- 1998-08-03 CN CN 98207689 patent/CN2340515Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581151B (en) * | 2009-06-15 | 2010-12-01 | 张晶廷 | Concrete sprayer of composite wall body |
| CN101812995A (en) * | 2010-04-14 | 2010-08-25 | 北京中煤矿山工程有限公司 | Cam control system |
| CN101812995B (en) * | 2010-04-14 | 2012-01-11 | 北京中煤矿山工程有限公司 | Cam control system |
| CN103912126A (en) * | 2012-12-31 | 2014-07-09 | 李长青 | Hydraulic automatic compression device for rotor concrete spraying machine grinding plates |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |