CN204960947U - Mixed vortice of concrete of wet blasting machine - Google Patents
Mixed vortice of concrete of wet blasting machine Download PDFInfo
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- CN204960947U CN204960947U CN201520540103.7U CN201520540103U CN204960947U CN 204960947 U CN204960947 U CN 204960947U CN 201520540103 U CN201520540103 U CN 201520540103U CN 204960947 U CN204960947 U CN 204960947U
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Abstract
The utility model discloses a mixed vortice of concrete of wet blasting machine mainly is formed by connecting feeding hot blast blowpipe apparatus (1) and mixed vortex device (3), is installing compressed air converter (2.1) in feeding hot blast blowpipe apparatus (1), compressed air converter (2.1) lie in between the feed inlet and air intake of feeding hot blast blowpipe apparatus (1), leave the clearance between the outer face of cylinder of compressed air converter (2.1) left end and the inner chamber surface of feeding hot blast blowpipe apparatus (1) left end, the bottom of air intake is corresponding the outer face of cylinder of compressed air converter (2.1) left end, and the air intake passes through clearance and mixed vortex device (3) inner chamber intercommunication on the outer face of cylinder of compressed air converter (2.1) left end to make airflow direction change become with defeated flich to the unanimity, and make the air current take place disturbance, burble, parcel and concrete thick liquids with higher speed make the concrete thick liquids reach and spray required thin stream and jet velocity.
Description
Technical field
The utility model relates to a kind of equipment carrying out wet shot cast at job site concrete such as vertical shaft, tunnel, footrills, particularly relates to a kind of concrete mixing vortice of wet-spraying machine.
Background technology
Wet-spraying machine reduces the good bolt-spary supports facility of combination property such as dust, minimizing resilience, saving material at present both at home and abroad.Be widely used at present in the engineerings such as mine, culvert, building foundation pit supporting, river course slope protection.Wet shot puts into spraying machine after concrete mix (moisture) mixes, and at shower nozzle, place adds accelerating admixture, then gushes out under Action of Wind pressure.
In existing wet-spraying machine, mixed concrete and compressed-air actuated mixing apparatus are as shown in Figure 10, its discharging opening and air intake are at two ends, left and right and in the same direction, charging aperture is then on top and with in the vertical direction of discharging opening and air intake, this structure is simple, has good perturbation to concrete; But the direction of the charging aperture of this structure and discharging opening and air intake is inconsistent, there will be and return slurry phenomenon, wind direction has impact to conveying direction, and airflow pressure also has certain loss.
Utility model content
The technical problems to be solved in the utility model does not a kind ofly occur returning slurry phenomenon, more easily disperses concrete slurry, avoids wind direction to lose the concrete mixing vortice of little wet-spraying machine to conveying aspect effect, airflow pressure.
For solving the problems of the technologies described above, the concrete mixing vortice of a kind of wet-spraying machine of the utility model, be formed by connecting primarily of charging air-intake device and mixing swirling device, compressed air converter is installed in charging air-intake device, described compressed air converter is between the charging aperture and air intake of charging air-intake device, gap is left between the external cylindrical surface of described compressed air converter left end and the surface of internal cavity of charging air-intake device left end, the bottom of described air intake correspond to the external cylindrical surface of compressed air converter left end, air intake by gap between compressed air converter left end external cylindrical surface with charging air-intake device left end surface of internal cavity with mix swirling device inner space, charging air-intake device inner chamber, compressed air converter inner chamber is communicated with in the same direction with mixing swirling device inner chamber.
The concrete mixing vortice of above-mentioned a kind of wet-spraying machine, the external cylindrical surface of compressed air converter left end is shaped with air quantity segmentation ring, it is an entirety that compressed air converter and air quantity split ring, air quantity segmentation ring is shaped with many small through hole, the external cylindrical surface of air quantity segmentation ring overlaps the charging air-intake device surface of internal cavity of left end bottom then air intake, air intake by the gap on the small through hole of air quantity segmentation ring and compressed air converter left end external cylindrical surface with mix swirling device inner space.
The concrete mixing vortice of above-mentioned a kind of wet-spraying machine, compressed air converter left side is connected with extension pipe, described extension pipe, compressed air converter and air quantity segmentation ring three are an entirety, extension pipe is arranged in mixing swirling device inner chamber, or be arranged in the inner chamber of charging air-intake device and mixing both swirling devices, the external cylindrical surface of extension pipe leaves gap with mixing between swirling device surface of internal cavity, or leave gap with between charging air-intake device and the surface of internal cavity mixing both swirling devices, air intake is by the small through hole of air quantity segmentation ring, gap on compressed air converter left end external cylindrical surface and the gap on extension pipe external cylindrical surface with mix swirling device inner space.
The concrete mixing vortice of above-mentioned a kind of wet-spraying machine, its many small through hole is distributed on air quantity segmentation ring.
The concrete mixing vortice of above-mentioned a kind of wet-spraying machine, the inner chamber of its mixing swirling device is mixing vortex chamber, and described mixing vortex chamber cross sectional shape is conical, and mixing vortex chamber is communicated with the discharging opening of mixing swirling device left end.
Due to the utility model compressed air converter, air quantity segmentation ring and extension pipe three are interconnected in aggregates, airflow direction is transformed into consistent with charging and discharging direction by compressed air converter, then by many small through hole of air quantity segmentation ring, uniform stream is divided into multiply, multiply air-flow is through extension pipe external cylindrical surface and the tapered gaps mixed between swirling device surface of internal cavity from large to small, strong flow perturbation is produced in the mixing vortex chamber of mixing swirling device, form violent eddy current, comprehensive parcel concrete slurry, add airflow direction and charging, the superposition acceleration effect that discharging direction is consistent, be easy to make concrete slurry to reach thin stream required for injection and jet velocity, concrete slurry is made to spray to by spray plane with higher speed from shower nozzle, first be sprayed onto concrete by spray plane by the intense impact of rear pneumatically placed concrete and densification, thus make concrete structure closely knit, intensity is higher, do not need manually to make firm by ramming, therefore, the utility model has and does not occur returning slurry phenomenon, more easily disperse concrete slurry, avoid wind direction to conveying aspect effect, airflow pressure loss is little, jet velocity is fast, efficiency is high, effective, be not easy the advantage producing plugging phenomenon.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the main sectional view of the utility model embodiment one;
Fig. 2 is the main sectional view of the utility model embodiment two;
Fig. 3 is the main sectional view of the utility model embodiment three;
Fig. 4 is the main sectional view mixing swirling device in the utility model Fig. 1, Fig. 2 and Fig. 3;
Fig. 5 is the main sectional view of charging air-intake device in the utility model Fig. 1, Fig. 2 and Fig. 3;
Fig. 6 is the main sectional view of compressed air converter in the utility model Fig. 1;
Fig. 7 is the main sectional view of compressed air converter and air quantity segmentation ring composite entity part in the utility model Fig. 2;
Fig. 8 is the main sectional view of compressed air converter in the utility model Fig. 3, air quantity segmentation ring and extension pipe composite entity part;
Fig. 9 is the left view of the utility model Fig. 7 and Fig. 8;
Figure 10 is the schematic diagram of the utility model background technology;
Figure 11 is use schematic diagram of the present utility model.
Identify in figure: 1-charging air-intake device, 1.1-charging aperture, 1.2-air intake, 2.1-compressed air converter, 2.2-air quantity segmentation ring, 2.3-extension pipe, 3-mixing swirling device, 3.1-mixing vortex chamber, 3.2-discharging opening, 4-actuating unit, 5-spiral feeder, 6-screw pump supercharging pay-off, 7-airduct, 8-playpipe, 9-accelerating admixture pipe, 10-pump, 11-shower nozzle.
Detailed description of the invention
Embodiment one:
As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the utility model is formed by connecting primarily of charging air-intake device 1 and mixing swirling device 3.The utility model is installed with compressed air converter 2.1 in charging air-intake device 1, described compressed air converter 2.1 is between the charging aperture 1.1 and air intake 1.2 of charging air-intake device 1, and described compressed air converter 2.1 right-hand member has intercepted contacting directly of charging aperture 1.1 and air intake 1.2; Gap is left between the external cylindrical surface of described compressed air converter 2.1 left end and the surface of internal cavity of charging air-intake device 1 left end, the bottom of described air intake 1.2 correspond to the external cylindrical surface of compressed air converter 2.1 left end, air intake 1.2 by the gap between compressed air converter 2.1 left end external cylindrical surface with charging air-intake device 1 left end surface of internal cavity with mix swirling device 3 inner space, airflow direction is changed over consistent with conveying direction, and make air-flow generation disturbance, generation eddy current.Described mixing swirling device 3 inner chamber is the mixing vortex chamber 3.1 of conic section shape, mixing swirling device 3 left end is discharging opening 3.2, and described discharging opening 3.2, mixing vortex chamber 3.1, compressed air converter 2.1 inner chamber, charging air-intake device 1 inner chamber are axially communicated with same with charging aperture 1.1.
Embodiment two:
As shown in Fig. 2, Fig. 4, Fig. 5, Fig. 7 and Fig. 9, the utility model is formed by connecting primarily of charging air-intake device 1 and mixing swirling device 3.The utility model is installed with compressed air converter 2.1 in charging air-intake device 1, described compressed air converter 2.1 is between the charging aperture 1.1 and air intake 1.2 of charging air-intake device 1, and described compressed air converter 2.1 right-hand member has intercepted contacting directly of charging aperture 1.1 and air intake 1.2, leave gap between the external cylindrical surface of described compressed air converter 2.1 left end and the surface of internal cavity of charging air-intake device 1 left end, the bottom of described air intake 1.2 correspond to the external cylindrical surface of compressed air converter 2.1 left end, the external cylindrical surface of compressed air converter 2.1 left end is shaped with air quantity segmentation ring 2.2, it is an entirety that compressed air converter 2.1 and air quantity split ring 2.2, air quantity segmentation ring 2.2 is uniformly shaped with many small through hole, the external cylindrical surface of air quantity segmentation ring 2.2 overlaps on charging air-intake device 1 surface of internal cavity of left end bottom then air intake 1.2, air intake 1.2 by the gap on the air quantity segmentation small through hole of ring 2.2 and compressed air converter 2.1 left end external cylindrical surface with mix swirling device 3 inner space, airflow direction is changed over consistent with conveying direction, and make multiply air-flow generation disturbance, produce violent eddy current.Described mixing swirling device 3 inner chamber is the mixing vortex chamber 3.1 of conic section shape, mixing swirling device 3 left end is discharging opening 3.2, and described discharging opening 3.2, mixing vortex chamber 3.1, compressed air converter 2.1 inner chamber, charging air-intake device 1 inner chamber are axially communicated with same with charging aperture 1.1.
Embodiment three:
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 8 and Fig. 9, the utility model is formed by connecting primarily of charging air-intake device 1 and mixing swirling device 3.The utility model is installed with compressed air converter 2.1 in charging air-intake device 1, described compressed air converter 2.1 is between the charging aperture 1.1 and air intake 1.2 of charging air-intake device 1, and described compressed air converter 2.1 right-hand member has intercepted contacting directly of charging aperture 1.1 and air intake 1.2; Leave gap between the external cylindrical surface of described compressed air converter 2.1 left end and the surface of internal cavity of charging air-intake device 1 left end, the bottom of described air intake 1.2 correspond to the external cylindrical surface of compressed air converter 2.1 left end; The external cylindrical surface of compressed air converter 2.1 left end is shaped with air quantity segmentation ring 2.2, compressed air converter 2.1 left side is connected with extension pipe 2.3, described extension pipe 2.3, compressed air converter 2.1 and air quantity segmentation ring 2.2 three is an entirety; Air quantity segmentation ring 2.2 is uniformly shaped with many small through hole, and the external cylindrical surface of air quantity segmentation ring 2.2 overlaps on charging air-intake device 1 surface of internal cavity of left end bottom then air intake 1.2; Described extension pipe 2.3 is arranged in mixing swirling device 3 inner chamber, and the external cylindrical surface of extension pipe 2.3 leaves gap with mixing between swirling device 3 surface of internal cavity; Described mixing swirling device 3 inner chamber is the mixing vortex chamber 3.1 of conic section shape, mixing swirling device 3 left end is discharging opening 3.2, and described discharging opening 3.2, mixing vortex chamber 3.1, extension pipe 2.3 and compressed air converter 2.1 inner chamber, charging air-intake device 1 inner chamber are axially communicated with same with charging aperture 1.1.Described air intake 1.2 by tapered gaps from large to small on the small through hole of the gap on compressed air converter 2.1 left end external cylindrical surface, air quantity segmentation ring 2.2 and extension pipe 2.3 external cylindrical surface with mix swirling device 3 inner space, airflow direction is changed over consistent with conveying direction, and make multiply air-flow generation strong disturbance, produce violent eddy current.
As shown in figure 11, in use, power is passed to spiral feeder 5 and screw pump supercharging pay-off 6 to the utility model by actuating unit 4 successively; Concrete slurry in hopper is transported in screw pump supercharging pay-off 6 by spiral feeder 5, and deliver in the utility model after the supercharging of screw pump supercharging pay-off 6, meanwhile, compressed air is transported in the utility model by airduct 7; Inner at the utility model, concrete slurry, through the violent eddy current parcel of multiply, disturbance and acceleration, reaches the thin stream required for injection and jet velocity, ejects through playpipe 8 and shower nozzle 11; In concrete slurry course of injection, accelerating admixture is transported in shower nozzle 11 through pump 10 and accelerating admixture pipe 9, sprays together with after mixing with concrete slurry.So the utility model and screw pump supercharging pay-off 6 are with the use of reaching ideal effect.
Certainly, the utility model is not limited to above embodiment, and the utility model embodiment three can not want air quantity segmentation ring 2.2, the syndeton form of an employing extension pipe 2.3 and compressed air converter 2.1; The utility model also can charging air-intake device 1 and mixing swirling device 3 between increase by a transition connecting elements.
Claims (6)
1. the concrete mixing vortice of a wet-spraying machine, be formed by connecting primarily of charging air-intake device (1) and mixing swirling device (3), it is characterized in that: compressed air converter (2.1) is installed in charging air-intake device (1), described compressed air converter (2.1) is positioned between the charging aperture (1.1) of charging air-intake device (1) and air intake (1.2), gap is left between the external cylindrical surface of described compressed air converter (2.1) left end and the surface of internal cavity of charging air-intake device (1) left end, the bottom of described air intake (1.2) correspond to the external cylindrical surface of compressed air converter (2.1) left end, air intake (1.2) by the gap between compressed air converter (2.1) left end external cylindrical surface with charging air-intake device (1) left end surface of internal cavity with mix swirling device (3) inner space, charging air-intake device (1) inner chamber, compressed air converter (2.1) inner chamber is communicated with in the same direction with mixing swirling device (3) inner chamber.
2. the concrete mixing vortice of a kind of wet-spraying machine according to claim 1, it is characterized in that: on the external cylindrical surface of compressed air converter (2.1) left end, be shaped with air quantity segmentation ring (2.2), it is an entirety that compressed air converter (2.1) and air quantity split ring (2.2), air quantity segmentation ring (2.2) is shaped with many small through hole, the external cylindrical surface of air quantity segmentation ring (2.2) overlaps charging air-intake device (1) surface of internal cavity of then air intake (1.2) bottom left end, air intake (1.2) is split gap on the small through hole of ring (2.2) and compressed air converter (2.1) left end external cylindrical surface by air quantity and is mixed swirling device (3) inner space.
3. the concrete mixing vortice of a kind of wet-spraying machine according to claim 2, it is characterized in that: on compressed air converter (2.1) left side, be connected with extension pipe (2.3), described extension pipe (2.3), compressed air converter (2.1) and air quantity segmentation ring (2.2) three are an entirety, extension pipe (2.3) is arranged in mixing swirling device (3) inner chamber, or be arranged in charging air-intake device (1) and mixing swirling device (3) the two inner chamber, the external cylindrical surface of extension pipe (2.3) leaves gap with mixing between swirling device (3) surface of internal cavity, or with charging air-intake device (1) with mix between the two surface of internal cavity of swirling device (3) and leave gap, air intake (1.2) splits the small through hole of ring (2.2) by air quantity, gap on gap on compressed air converter (2.1) left end external cylindrical surface and extension pipe (2.3) external cylindrical surface with mix swirling device (3) inner space.
4. the concrete mixing vortice of a kind of wet-spraying machine according to claim arbitrary in Claims 2 or 3, is characterized in that: many small through hole are distributed on air quantity segmentation ring (2.2).
5. according to the concrete mixing vortice of a kind of wet-spraying machine in claim 1,2 or 3 described in arbitrary claim, it is characterized in that: the inner chamber of mixing swirling device (3) is mixing vortex chamber (3.2), described mixing vortex chamber (3.2) cross sectional shape is conical, and mixing vortex chamber (3.2) is communicated with the discharging opening (3.1) of mixing swirling device (3) left end.
6. the concrete mixing vortice of a kind of wet-spraying machine according to claim 4, it is characterized in that: the inner chamber of mixing swirling device (3) is mixing vortex chamber (3.2), described mixing vortex chamber (3.2) cross sectional shape is conical, and mixing vortex chamber (3.2) is communicated with the discharging opening (3.1) of mixing swirling device (3) left end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540103.7U CN204960947U (en) | 2015-07-24 | 2015-07-24 | Mixed vortice of concrete of wet blasting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540103.7U CN204960947U (en) | 2015-07-24 | 2015-07-24 | Mixed vortice of concrete of wet blasting machine |
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| CN204960947U true CN204960947U (en) | 2016-01-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448219A (en) * | 2017-09-30 | 2017-12-08 | 河北讯辉科技股份有限公司 | Spray concrete equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448219A (en) * | 2017-09-30 | 2017-12-08 | 河北讯辉科技股份有限公司 | Spray concrete equipment |
| CN107448219B (en) * | 2017-09-30 | 2023-07-28 | 河北讯辉科技股份有限公司 | Concrete spraying equipment |
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