CN210660128U - A dustproof instrument for tunnel concrete injection apparatus - Google Patents
A dustproof instrument for tunnel concrete injection apparatus Download PDFInfo
- Publication number
- CN210660128U CN210660128U CN201921261382.8U CN201921261382U CN210660128U CN 210660128 U CN210660128 U CN 210660128U CN 201921261382 U CN201921261382 U CN 201921261382U CN 210660128 U CN210660128 U CN 210660128U
- Authority
- CN
- China
- Prior art keywords
- spray gun
- storehouse
- dust
- tunnel
- thick bamboo
- 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.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the technical field of tunnel construction equipment, concretely relates to a dustproof instrument for tunnel concrete injection apparatus, its concrete technical characteristics include spray gun, a protection section of thick bamboo, collect storehouse, water conservancy diversion hole, ring type seal and relief hole, and the protection barrel casing is in the outside of spray gun, and is equipped with the collection storehouse at the shrink mouth lower extreme of a protection section of thick bamboo, the upper end of collecting the storehouse is through water conservancy diversion hole and protection section of thick bamboo intercommunication, and the lower extreme passes through ring type seal and seals, has seted up the relief hole in the outside of collecting the storehouse. Utilize the utility model discloses a when being used for tunnel concrete injection apparatus's dustproof instrument to be under construction, can solve because the dust pollution problem that the concrete injection brought well can avoid effectively doing things to harm for the health that construction operation personnel caused from this.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction equipment, concretely relates to a dustproof instrument for tunnel concrete injection apparatus.
Background
In the tunnel undercut work progress, can carry out preliminary bracing after the tunnel excavation is good, preliminary bracing has a process just to carry out the concrete injection, just needs to use concrete injection equipment when the concrete injection. The working principle of the concrete spraying equipment is that compressed air is utilized to spray a concrete material prepared by water and cement to the wall surface of the tunnel through a conveying pipe of the spraying equipment, the speed is very high during spraying, and then a concrete supporting layer is formed on the wall surface of the tunnel. However, when the existing concrete spraying equipment is used for spraying concrete, no matter dry spraying or wet spraying is carried out, dust is very easily raised on the site, air pollution of a construction site and surrounding areas is serious, constructors and surrounding resident groups suffer from interference of a large amount of dust for a long time, and serious harm is caused to the bodies of people.
At present, no special equipment is provided for solving the problem, and although some intelligent manipulators are used for replacing manual operation for spraying, the problem still cannot be well solved, so that how to solve the problem of large dust in concrete spraying is one of the problems to be solved by the technical staff in the field.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a dustproof instrument for tunnel concrete injection apparatus can avoid the problem of a large amount of dusts of raising when current concrete injection equipment spouts the material well, and its concrete technical scheme is as follows:
the utility model provides a dustproof instrument for tunnel concrete injection apparatus, includes spray gun, a protection section of thick bamboo, collects storehouse, water conservancy diversion hole, ring type seal and relief hole, the protection section of thick bamboo cover is in the outside of spray gun, and is equipped with the collection storehouse at the shrink-on mouth lower extreme of a protection section of thick bamboo, the upper end of collecting the storehouse is equipped with the water conservancy diversion hole and collects the storehouse and pass through water conservancy diversion hole and protection section of thick bamboo intercommunication, and it is sealed through ring type seal to collect the storehouse lower extreme, has seted up the relief hole at the lateral wall of collecting the.
Further limiting, an annular flow guide ring is further arranged at the position of the flow guide hole, and the inner side of the annular flow guide ring is tightly attached to the outer wall of the spray gun.
Further limiting, the annular flow guide ring is in a horn mouth shape, the flaring end of the horn mouth shape faces downwards and is the same as the concrete backflow direction, and the included angle between the generatrix of the annular flow guide ring and the central axis of the spray gun is 5-90 degrees.
Further, the central axis of the annular flow guide ring is coincident with the central axis of the spray gun.
Further, the included angle between the flaring of the protective sleeve and two opposite generatrices is 5-75 degrees, preferably 25-35 degrees.
Further limiting, the outer side of the annular sealing ring (6) is provided with a limiting and locking mechanism for adjusting the position of the protective cylinder (2).
Further limiting, the spray gun (1) is connected with a disc support (10) through a rotating shaft (11), a balancing weight (12) is further sleeved at the tail end of the spray gun (1) in a clamping mode, and the lower end of the disc support (10) is connected with a shifting mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a spray gun outside cover has a protective barrel, and protective barrel's lower extreme is equipped with collects the storehouse, collects the storehouse and passes through water conservancy diversion hole and protective barrel intercommunication, and the lower extreme of collecting the storehouse passes through ring type seal and seals, is equipped with the spacing locking mechanism who is used for adjusting protective barrel position in ring type seal's the outside, has still seted up the relief hole at the lateral wall of collecting the storehouse, and the position department in water conservancy diversion hole is hugging closely the spray gun lateral surface and is equipped with annular water conservancy diversion circle, annular water conservancy diversion circle and the coaxial setting of spray gun. The distance between the protective cylinder and the wall surface of the arc-shaped tunnel can be controlled by adjusting the position of the limiting and locking mechanism; when the shower nozzle of spray gun began to spray the concrete, in spraying the concrete mud or the dust that arc tunnel wall was launched back and can collecting the protective cylinder, mud or dust in the protective cylinder flow backwards along the inside wall face of protective cylinder to get into the collection storehouse through the water conservancy diversion hole under the water conservancy diversion of annular water conservancy diversion circle, discharge through the relief hole outside the collection storehouse at last. The dustproof tool can well prevent mud or dust of concrete from being blown in the air when the concrete is sprayed, and the influence on the health of constructors or surrounding resident people is avoided. Meanwhile, concrete materials discharged from the discharge holes can be recycled, so that waste of the materials is avoided, and resources are saved.
2. The spray gun is also provided with a rotating shaft for connecting the spray gun with the disc support and a balancing weight block sleeved at the tail end of the spray gun in a clamping way, the lower end of the disc support is connected with a shifting mechanism, and the spraying angle of a spray head on the spray gun can be adjusted through the positions of the rotating shaft and the balancing weight block, so that the spraying position is more accurate; the spray gun can be driven to move through the shifting mechanism, so that the operation of constructors is facilitated, and the manpower is saved.
Drawings
FIG. 1 is a schematic structural view of a dustproof tool for a tunnel concrete spraying device according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic construction view of the dustproof tool for the tunnel concrete spraying device of the present invention;
FIG. 4 is a schematic structural view of an annular gasket;
the device comprises a spray gun 1, a protective cylinder 2, an annular guide ring 3, a collecting bin 4, a guide hole 5, an annular sealing ring 6, a discharge hole 7, a screw 8, a fixing block 9, a disc support 10, a rotating shaft 11, a balancing weight 12, a conveying pipe 13, a roller 14, a bottom beam 15, an inclined support plate 16 and a support flat plate 17.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
Referring to fig. 1, the utility model discloses a dustproof instrument for tunnel concrete injection apparatus includes spray gun 1, the cover has a protection section of thick bamboo 2 in the outside of spray gun 1, the relative two generating lines of flaring of protection section of thick bamboo 2 are the contained angle 5 ~ 75, the lower extreme of protection section of thick bamboo 2 is connected with collection storehouse 4, spray gun 1 is connected with fixed disc 10 through pivot 11, the input of spray gun 2 communicates with conveying pipeline 13, lateral surface card is equipped with balancing weight 9 in the lower extreme of spray gun 1, can control the angle that the shower nozzle of spray gun 1 sprayed the concrete material through adjusting the position of balancing weight 9 on spray gun 1; the fixed disc 10 is connected with a shifting mechanism, the shifting mechanism is composed of a supporting flat plate 17, inclined supporting plates 16, a bottom beam 15 and rollers 14, the fixed disc 10 is fixed with the supporting flat plate 17, the inclined supporting plates 16 are fixedly connected with two ends of the supporting flat plate 17, the inclined supporting plates 16 are fixed through the bottom beam 15, and the rollers 14 are arranged below the bottom beam 15.
Referring to fig. 2, which is an enlarged view of a collection bin 4 in fig. 1, it can be seen from the figure that the collection bin 4 is sleeved outside a spray gun 1, a diversion hole 5 is formed in the upper end face of the collection bin 4, the collection bin 4 is communicated with a protective cylinder 2 through the diversion hole 5, an annular seal ring 6 is arranged on the lower end face of the collection bin 4, the annular seal ring 6 is used for sealing the collection bin 4, a discharge hole 7 for discharging collected materials is formed in the outer side wall face of the collection bin 4, an annular diversion ring 3 for guiding concrete slurry is arranged on the outer wall of the spray gun 1 in a position close to the diversion hole 5, a limiting locking mechanism is connected to the outer side face of the annular seal ring 6, the limiting locking mechanism is composed of a fixing block 9 and a screw 8, the fixing block 9 is fixed on the bottom end face of the annular seal ring 6, the fixing block 9 is fixed by the screw.
Referring to fig. 4, which is a schematic structural view of the annular deflector 3, it can be seen that the deflector holes 5 are formed in the outer wall surface of the annular deflector 3 and have a semicircular shape.
Example 1
In this embodiment, the protective cylinder 2 is made of transparent machine glass, an included angle between the flaring of the protective cylinder 2 and two corresponding generatrices is 25 degrees, the radius of the semicircle of the flow guide hole 5 is 10 mm, the aperture of the discharge hole 7 is 12 mm, and the central axis of the annular flow guide ring 3 coincides with the central axis of the spray gun 1.
Referring to fig. 3, the dust-proof method for spraying concrete by using the dust-proof tool for the tunnel concrete spraying device of the embodiment is implemented by the following steps:
1) before the concrete slurry is sprayed, according to the distance between a spray head of the spray gun 1 and the wall surface of the arc-shaped tunnel, loosening the screw 8 and pushing the fixing block 9 to adjust the position of the protection cylinder 2 at the outer side of the spray gun 1, adjusting the distance between the opening end of the protection cylinder 2 and the wall surface of the arc-shaped tunnel to 3 cm, and tightening the screw 8;
2) opening a spray head of the spray gun 1 to start spraying;
3) concrete slurry or dust ejected to the wall surface of the arc tunnel is collected in the protective cylinder 2;
4) collect concrete mud or dust in the protective barrel 2 and can be in the same direction as the inside wall face refluence of protective barrel 2, when refluence to annular water conservancy diversion circle 3's position, get into through water conservancy diversion hole 5 under annular water conservancy diversion circle 3 and collect storehouse 4 in, get into concrete mud or dust in the collection storehouse 4 and can follow relief hole 7 discharges, and exhaust concrete mud or dust can be collected, follow-up reuse that carries on.
Example 2
In this embodiment, the protective cylinder 2 is made of transparent plastic, an included angle between the flaring of the protective cylinder 2 and two corresponding generatrices is 35 mm, the radius of the semicircle of the guide hole 5 is 8 mm, the aperture of the discharge hole 7 is 10 mm, the annular guide ring 3 is in a horn mouth shape, the flaring end of the horn mouth shape faces downward and is the same as the concrete backflow direction, and the included angle between the generatrices of the annular guide ring 3 and the central axis of the spray gun 1 is 60 °.
The dust-proof method for spraying concrete by using the dust-proof tool for the tunnel concrete spraying device of the embodiment is operated according to the following steps:
1) before the concrete slurry is sprayed, according to the distance between a spray head of the spray gun 1 and the wall surface of the arc-shaped tunnel, loosening the screw 8 and pushing the fixing block 9 to adjust the position of the protection cylinder 2 at the outer side of the spray gun 1, adjusting the distance between the opening end of the protection cylinder 2 and the wall surface of the arc-shaped tunnel to 5 cm, and tightening the screw 8;
2) opening a spray head of the spray gun 1 to start spraying;
3) concrete slurry or dust ejected to the wall surface of the arc tunnel is collected in the protective cylinder 2;
4) collect concrete mud or dust in the protective barrel 2 and can be in the same direction as the inside wall face refluence of protective barrel 2, when refluence to annular water conservancy diversion circle 3's position, get into through water conservancy diversion hole 5 under annular water conservancy diversion circle 3 and collect storehouse 4 in, get into concrete mud or dust in the collection storehouse 4 and can follow relief hole 7 discharges, and exhaust concrete mud or dust can be collected, follow-up reuse that carries on.
When the step 2) is carried out, the spraying angle of the spraying head can be controlled by adjusting the position of the balancing weight 12 on the spraying gun 1, and meanwhile, the position of the concrete spraying device can be moved by pushing the shifting mechanism when the step is carried out, so that the labor can be effectively saved.
Example 3
In this embodiment, the protective cylinder 2 is made of transparent plastic, an included angle between two opposite generatrices of the flaring of the protective cylinder 2 is 75 degrees, a radius of a semicircle of the guide hole 5 is 5 mm, an aperture of the discharge hole 7 is 6 mm, the annular guide ring 3 is in a horn mouth shape, a flaring end of the horn mouth shape faces downward and is the same as a concrete backflow direction, and an included angle between the generatrix of the annular guide ring 3 and a central axis of the spray gun 1 is 5 degrees.
The dust-proof method for spraying concrete by using the dust-proof tool for the tunnel concrete spraying device of the embodiment is operated according to the following steps:
1) before the concrete slurry is sprayed, according to the distance between a spray head of the spray gun 1 and the wall surface of the arc-shaped tunnel, loosening the screw 8 and pushing the fixing block 9 to adjust the position of the protection cylinder 2 at the outer side of the spray gun 1, adjusting the distance between the opening end of the protection cylinder 2 and the wall surface of the arc-shaped tunnel to 2 cm, and tightening the screw 8;
2) opening a spray head of the spray gun 1 to start spraying;
3) concrete slurry or dust ejected to the wall surface of the arc tunnel is collected in the protective cylinder 2;
4) collect concrete mud or dust in the protective barrel 2 and can be in the same direction as the inside wall face refluence of protective barrel 2, when refluence to annular water conservancy diversion circle 3's position, get into through water conservancy diversion hole 5 under annular water conservancy diversion circle 3 and collect storehouse 4 in, get into concrete mud or dust in the collection storehouse 4 and can follow relief hole 7 discharges, and exhaust concrete mud or dust can be collected, follow-up reuse that carries on.
When the step 2) is carried out, the spraying angle of the spraying head can be controlled by adjusting the position of the balancing weight 12 on the spraying gun 1, and meanwhile, the position of the concrete spraying device can be moved by pushing the shifting mechanism when the step is carried out, so that the labor can be effectively saved.
Example 4
Different from the embodiment 3, the protection cylinder 2 of the embodiment is made of transparent machine glass, an included angle between two opposite generatrices of the flaring of the protection cylinder 2 is 5 degrees, the radius of a semicircle of the guide hole 5 is 15 mm, the aperture of the discharge hole 7 is 15 mm, the annular guide ring 3 is in a horn mouth shape, the flaring end of the horn mouth shape faces downward and is the same as the concrete backflow direction, the included angle between the generatrices of the annular guide ring 3 and the central axis of the spray gun 1 is 5 degrees, and the distance from the opening end of the protection cylinder 2 to the wall surface of the arc tunnel is adjusted to 8 cm.
Claims (7)
1. The utility model provides a dustproof instrument for tunnel concrete injection apparatus, a serial communication port, including spray gun (1), a protection section of thick bamboo (2), collect storehouse (4), water conservancy diversion hole (5), ring packing (6) and relief hole (7), a protection section of thick bamboo (2) cover is in the outside of spray gun (1), and is equipped with in the shrink mouth lower extreme of a protection section of thick bamboo (2) and collects storehouse (4), the upper end of collecting storehouse (4) is equipped with water conservancy diversion hole (5) and collects storehouse (4) and communicates through water conservancy diversion hole (5) and a protection section of thick bamboo (2), and it is sealed that collection storehouse (4) lower extreme passes through ring packing (6), has seted up relief hole (7) at the lateral wall of collecting storehouse (4).
2. The dust-proof tool for the tunnel concrete spraying device according to claim 1, characterized in that the position of the diversion hole (5) is further provided with an annular diversion ring (3), and the inner side of the annular diversion ring (3) is tightly attached to the outer wall of the spray gun (1).
3. The dustproof tool for the tunnel concrete injection device according to claim 2, wherein the annular deflector ring (3) is of a bell mouth shape, the flared end of the bell mouth shape faces downwards and is in the same direction as the concrete backflow direction, and the included angle between the generatrix of the annular deflector ring (3) and the central axis of the spray gun (1) is 5-90 degrees.
4. The dust-proof tool for a tunnel concrete spraying device according to claim 2, characterized in that the central axis of the annular deflector ring (3) coincides with the central axis of the lance (1).
5. The dust-proof tool for a tunnel concrete spraying device according to claim 1, wherein the angle between the flaring of the protective sleeve (2) and the two generatrices is 5-75 °.
6. The dust-proof tool for a tunnel concrete spraying device according to claim 1, characterized in that the outside of the annular sealing ring (6) is provided with a limit locking mechanism for adjusting the position of the protective cylinder (2).
7. The dust-proof tool for the tunnel concrete spraying device according to claim 1, wherein the spray gun (1) is connected with the disc support (10) through a rotating shaft (11), a balancing weight (12) is further sleeved at the tail end of the spray gun (1), and a shifting mechanism is connected to the lower end of the disc support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261382.8U CN210660128U (en) | 2019-08-05 | 2019-08-05 | A dustproof instrument for tunnel concrete injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261382.8U CN210660128U (en) | 2019-08-05 | 2019-08-05 | A dustproof instrument for tunnel concrete injection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660128U true CN210660128U (en) | 2020-06-02 |
Family
ID=70840967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921261382.8U Active CN210660128U (en) | 2019-08-05 | 2019-08-05 | A dustproof instrument for tunnel concrete injection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240104A (en) * | 2020-10-21 | 2021-01-19 | 东北大学 | Dry type concrete spraying device and method |
-
2019
- 2019-08-05 CN CN201921261382.8U patent/CN210660128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240104A (en) * | 2020-10-21 | 2021-01-19 | 东北大学 | Dry type concrete spraying device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210660128U (en) | A dustproof instrument for tunnel concrete injection apparatus | |
| CN205187231U (en) | A dust cleaning device for band conveyer | |
| CN109731863B (en) | Pipeline detection and dredging robot | |
| CN106363505A (en) | Grinding tool equipment | |
| CN211678196U (en) | A jaw breaker for retrieving building rubbish | |
| CN205132593U (en) | Alternative ejection of compact formula dual -port mortar tower | |
| CN206636135U (en) | A kind of anti-splash roll-on device | |
| CN210597510U (en) | Garbage cleaning device convenient for dredging sewer | |
| CN212612296U (en) | Dam crack treatment equipment | |
| CN204638410U (en) | A kind of coating jeting device | |
| CN110486043A (en) | A kind of dust-proof tool and its dust-control method for tunnel concrete injection apparatus | |
| CN210507056U (en) | Civil engineering building is with spreading husky grey device | |
| CN114260830A (en) | Bridge guardrail rust cleaning anti-pollution equipment | |
| CN206732830U (en) | A kind of street lamp post sand blasting unit with automatic clearing function | |
| CN210738585U (en) | High-efficient injection apparatus of concrete | |
| CN212154043U (en) | Concrete surface treatment device | |
| CN215977650U (en) | Dredging device for municipal pipeline construction | |
| CN215518275U (en) | Highway construction and maintenance device | |
| CN214739634U (en) | Dust and paint spraying device for civil engineering | |
| CN205151253U (en) | Mortar tower that fine setting of discharging pipe mouth of pipe was aimed at | |
| CN212680523U (en) | SOx/NOx control device is used in environmental protection convenient to clear up pipeline | |
| CN218204407U (en) | Constructional engineering gap grouting device | |
| CN208347793U (en) | It is a kind of to facilitate the pulp shooting machine for collecting refractory gunning equipment | |
| CN219585181U (en) | Brick conveying equipment for building construction | |
| CN211817750U (en) | Pneumatic white brushing machine for roadway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210615 Address after: Floor 16, building IBCC, Huixin, No.1 zhangbayi Road, high tech Zone, Xi'an, Shaanxi 710000 Patentee after: CCCC Railway Construction Co.,Ltd. Address before: Floor 19, block B, new Chang'an Plaza, 34 Fenghui South Road, high tech Zone, Xi'an City, Shaanxi Province, 710075 Patentee before: CCCC-SHEC RAILWAY ENGINEERING Co.,Ltd. |