CN219241933U - Wet spraying concrete surface leveling device - Google Patents
Wet spraying concrete surface leveling device Download PDFInfo
- Publication number
- CN219241933U CN219241933U CN202320118345.1U CN202320118345U CN219241933U CN 219241933 U CN219241933 U CN 219241933U CN 202320118345 U CN202320118345 U CN 202320118345U CN 219241933 U CN219241933 U CN 219241933U
- Authority
- CN
- China
- Prior art keywords
- wet
- shovel head
- shovel
- concrete surface
- connecting sleeve
- 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
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a wet spraying concrete surface leveling device, which comprises a manual shoveling mechanism and a mechanical shoveling mechanism; the manual shoveling mechanism is used for leveling the wet sprayed concrete surface of the part below the preset height in the tunnel; the mechanical shovel mechanism is used for leveling the wet sprayed concrete surface of the part above the preset height in the tunnel; the manual shovel mechanism comprises a handheld part and a first shovel head; the hand-held part is of a straight rod-shaped structure, and the first shovel head is fixedly arranged at the end part of the hand-held part; the mechanical shovel mechanism comprises a connecting sleeve and a second shovel head; one end of the connecting sleeve is connected with a wet spraying nozzle of the wet spraying equipment, and the other end of the connecting sleeve is connected with the second shovel head; according to the utility model, through the up-down matching of the manual shoveling mechanism and the mechanical shoveling mechanism, the effective control of the surface flatness of wet shotcrete in a tunnel is realized, the adverse effects of unsmooth spreading and hanging of a waterproof board and unsmooth secondary lining concrete are avoided, and the working procedures of chiseling or repairing and spraying of primary support concrete are saved.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction equipment, and particularly relates to a wet spraying concrete surface leveling device.
Background
In the construction of primary shotcrete in railway tunnels, wet spraying technology is commonly adopted in the existing primary shotcrete in order to ensure the strength of the shotcrete, reduce dust in the in-tunnel shotcrete and protect the health of operators.
At present, in the actual wet spraying concrete operation process, uneven convex and concave surfaces often exist on the surface of the primary support sprayed concrete under the influence of various factors such as spraying angle, wind pressure, spraying mode, sprayed concrete slump, accelerator doping amount, hydrogeology and the like; when the size of the convex and concave surfaces exceeds the standard allowable value, the laying difficulty of the waterproof board is greatly increased, and the compactness of the secondary lining concrete is adversely affected.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a wet spraying concrete surface leveling device for solving the problem that uneven convex and concave surfaces exist on the surface of primary spraying concrete; when the size of the convex and concave surfaces exceeds the standard allowable value, the paving difficulty of the waterproof board is greatly increased, and the compactness of the secondary lining concrete is adversely affected.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wet spraying concrete surface leveling device, which comprises a manual shoveling mechanism and a mechanical shoveling mechanism; the manual shoveling mechanism is used for leveling the wet sprayed concrete surface of the part below the preset height in the tunnel; the mechanical shovel mechanism is used for leveling the wet sprayed concrete surface of the part above the preset height in the tunnel;
the manual shovel mechanism comprises a handheld part and a first shovel head; the handheld part is of a straight rod-shaped structure, and the first shovel head is fixedly arranged at the end part of the handheld part;
the mechanical shovel mechanism comprises a connecting sleeve and a second shovel head; one end of the connecting sleeve is used for being connected with a wet spraying nozzle of the wet spraying device, and the other end of the connecting sleeve is connected with the second shovel head.
Further, the first shovel head is of a trapezoid plate-shaped structure; the short bottom of first shovel head with the tip fixed connection of handheld portion, the long bottom of first shovel head is used for leveling wet spray concrete surface.
Further, the length of the handheld part is 2.5-3.0m; the length of the long bottom end of the first shovel head is 20cm, the length of the short bottom end of the first shovel head is 15cm, and the length of the first shovel head is 30cm.
Further, the connecting sleeve is made of steel pipes; wherein, the connecting sleeve and the wet spraying nozzle are detachably and fixedly connected.
Further, the inner diameter of the steel pipe is more than or equal to 100mm, and the thickness of the steel pipe is more than or equal to 3.5mm.
Further, the length of the connecting sleeve is 0.8-1.2m.
Further, the second shovel head is of a rectangular plate-shaped structure; the second shovel head is characterized in that: length x width = 40cm x 30cm.
Further, the preset height is 3m from the tunnel bottom plate.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a wet spraying concrete surface leveling device, which is characterized in that a manual shoveling mechanism is arranged, and the manual shoveling mechanism is utilized to level the wet spraying concrete surface of a part below a preset height in a tunnel; the mechanical shovel mechanism is arranged at a wet spraying nozzle of the wet spraying equipment, and the mechanical shovel mechanism is utilized to level the wet spraying concrete surface of the part above the preset height in the tunnel; through the upper and lower cooperation of manual shovel mechanism and mechanical shovel mechanism, realize carrying out effective control to the surface smoothness of wet shotcrete in the tunnel, avoided waterproof board to spread to hang unsmoothly and two lining concrete not closely knit adverse effect, practiced thrift and removed processing or repair the processing procedure to the preliminary support concrete chisel.
Drawings
FIG. 1 is a schematic diagram of a manual shovel mechanism in an embodiment;
fig. 2 is a schematic structural view of a mechanical shovel mechanism in an embodiment.
Wherein, 1 a manual shoveling mechanism, 2 a mechanical shoveling mechanism and 3 wet spraying equipment; 11 hand-held part, 12 first shovel head; 21 is connected with a sleeve, 22 is a second shovel head; 31 wet spray nozzle.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the following specific embodiments are used for further describing the utility model in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a wet spraying concrete surface leveling device, which comprises a manual shoveling mechanism and a mechanical shoveling mechanism; the manual shoveling mechanism 1 is used for leveling the wet sprayed concrete surface of a part below a preset height in a tunnel; the mechanical shovel mechanism 2 is used for leveling the surface of the video concrete at the part above the preset height in the tunnel; wherein the preset height is a height 3m away from the tunnel bottom plate.
In the utility model, the manual shovel mechanism 1 comprises a hand-held part 11 and a first shovel head 12; the hand-held part 11 is of a straight rod-shaped structure, and the first shovel head 12 is fixedly arranged at the end part of the hand-held part 11; the length of the hand-held part 11 is 2.5-3.0m, and the first shovel head 12 is of a trapezoid plate-shaped structure; the end part of the hand-held part 11 is fixedly connected with the center of the short bottom end of the first shovel head 12, and the long bottom end of the first shovel head 12 is used for leveling the wet sprayed concrete surface; the hand-held part 11 is fixedly connected with the first shovel head 12 by welding or bolts.
In the utility model, the mechanical shovel mechanism 2 is arranged on the wet spraying equipment 3; the mechanical shovel mechanism 2 comprises a connecting sleeve 21 and a second shovel head 22, one end of the connecting sleeve 21 is connected with a wet spraying nozzle 31 of the wet spraying device 3, and the other end of the connecting sleeve 21 is connected with the second shovel head 22; wherein, the connecting sleeve 21 adopts a steel pipe, and the connecting sleeve 21 and the wet spraying nozzle 31 are detachably and fixedly connected; the length of the connecting sleeve 21 is 0.8-1.2m, the inner diameter of the steel pipe is more than or equal to 100mm, and the thickness of the steel pipe is more than or equal to 3.5mm; the second shovel head 22 is of a rectangular plate-shaped structure, and the end part of the connecting sleeve 21 is fixedly connected with the center of the long side of the second shovel head 22; wherein, the size characteristics of the second shovel head 22 are: length x width = 40cm x 30cm.
The using method comprises the following steps:
when the wet spraying concrete surface leveling device is used, an artificial shovel mechanism is adopted to level the wet spraying concrete surface of the part below the preset height in the tunnel; then adopting a mechanical shovel mechanism to carry out leveling operation on the wet spraying concrete surface of the part above the preset height in the tunnel; when the mechanical shovel mechanism is used for operation, the second shovel head is connected with the wet spraying nozzle by the connecting sleeve; the movement of the second shovel head is controlled through wet spraying equipment, so that the surface of the wet sprayed concrete is leveled; the utility model realizes the effective control of the surface flatness of wet sprayed concrete through the up-down matching operation of the manual shovel mechanism and the mechanical shovel mechanism.
The wet spraying concrete surface leveling device solves the problem of leveling sprayed concrete, and effectively avoids the problems of unsmooth paving and hanging of a waterproof board and unsmooth lining concrete; the cost of manually chiseling concrete and the cost caused by spraying concrete are saved; the surface of the primary support concrete is smooth, the casting appearance of the concrete is improved, and the due effect is achieved.
Examples
As shown in fig. 1-2, the embodiment provides a wet spraying concrete surface leveling device, which comprises a manual shoveling mechanism 1 and a mechanical shoveling mechanism 2; the hand shovel mechanism 1 comprises a hand-held part 11 and a first shovel head 12, wherein the hand-held part 11 adopts a bamboo pole or wooden rod piece structure, and can also adopt other metal rod piece structures; wherein the length of the hand-held part 11 is 2.5-3.0m.
The first shovel head 12 is fixedly arranged at the end part of the hand-held part 11, and the first shovel head 12 is made of an iron plate and is subjected to rust prevention; the first shovel head 12 is of a trapezoid plate-shaped structure, and the short bottom end of the first shovel head 12 is fixedly connected with the end part of the hand-held part 11; the length of the long bottom end of the first shovel head 12 is 20cm, the length of the short bottom end of the first shovel head 12 is 15cm, and the length of the first shovel head 12 is 30cm; the hand-held part 11 is fixedly connected with the first shovel head 12 by a bolt.
The mechanical shovel mechanism 2 is arranged on the wet spraying equipment 3; the mechanical shovel mechanism 2 comprises a connecting sleeve 21 and a second shovel head 22, one end of the connecting sleeve 21 is connected with a wet spraying nozzle 31 of the wet spraying device 3, and the other end of the connecting sleeve 21 is connected with the second shovel head 22; wherein, the connecting sleeve 21 is detachably and fixedly connected with the wet spraying nozzle 31; the length of the connecting sleeve 21 is 0.8-1.2m, and the connecting sleeve 21 adopts a steel pipe with phi 100 multiplied by 3.5mm; the second shovel head 22 is of a rectangular plate-shaped structure, and the end part of the connecting sleeve 21 is welded and fixed with the center of the long side of the second shovel head 22; the second shovel head 22 is characterized by: length x width = 40cm x 30cm.
According to the utility model, according to the difference of the heights of the primary support concrete in the tunnel, a combination mode of a manual shoveling mechanism and a mechanical shoveling mechanism is adopted; shoveling the part of the primary support concrete with the diameter of less than 3m in the tunnel by adopting a manual hand-held manual shoveling mode, wherein the part of the surface of the wet sprayed concrete is locally raised; for the primary support concrete position with the diameter of more than 3m in the tunnel, a mechanical shoveling mechanism is arranged at the front end of a wet spraying nozzle of spraying equipment, and the part of the local bulge on the surface of the sprayed concrete is shoveled.
According to the wet spraying concrete surface leveling device, the second shovel head is arranged at the end part of the wet spraying nozzle by using the connecting sleeve, so that the stability of connection is ensured, the working range of the nozzle of the wet spraying machine is enlarged, and leveling operation is completed more efficiently; by the combination of the manual shovel mechanism and the mechanical shovel mechanism, the working range is large, and the flatness control effect is good; the mechanical shovel mechanism is connected with the wet spraying equipment to control the flatness, so that the existing construction machinery is fully utilized, and the flatness of sprayed concrete is effectively ensured.
The above embodiment is only one of the implementation manners capable of implementing the technical solution of the present utility model, and the scope of the claimed utility model is not limited to the embodiment, but also includes any changes, substitutions and other implementation manners easily recognized by those skilled in the art within the technical scope of the present utility model.
Claims (8)
1. The wet spraying concrete surface leveling device is characterized by comprising a manual shoveling mechanism (1) and a mechanical shoveling mechanism (2); the manual shoveling mechanism (1) is used for leveling the wet sprayed concrete surface of a part below a preset height in a tunnel; the mechanical shovel mechanism (2) is used for leveling the wet sprayed concrete surface of the part above the preset height in the tunnel;
the manual shovel mechanism (1) comprises a hand-held part (11) and a first shovel head (12); the handheld part (11) is of a straight rod-shaped structure, and the first shovel head (12) is fixedly arranged at the end part of the handheld part (11);
the mechanical shovel mechanism (2) comprises a connecting sleeve (21) and a second shovel head (22); one end of the connecting sleeve (21) is used for being connected with a wet spraying nozzle (31) of the wet spraying device (3), and the other end of the connecting sleeve (21) is connected with the second shovel head (22).
2. A wet sprayed concrete surface leveling device according to claim 1, characterized in that the first shovel head (12) is of a trapezoidal plate-like structure; the short bottom end of the first shovel head (12) is fixedly connected with the end part of the handheld part (11), and the long bottom end of the first shovel head (12) is used for leveling the surface of wet spraying concrete.
3. A wet sprayed concrete surface levelling device according to claim 2, characterized in that the length of the hand-held part (11) is 2.5-3.0m; the length of the long bottom end of the first shovel head (12) is 20cm, the length of the short bottom end of the first shovel head (12) is 15cm, and the length of the first shovel head (12) is 30cm.
4. A wet sprayed concrete surface leveling device according to claim 1, characterized in that the connecting sleeve (21) is a steel pipe; wherein the connecting sleeve (21) and the wet spraying nozzle (31) are detachably and fixedly connected.
5. The wet spray concrete surface leveling device according to claim 4, wherein the inner diameter of the steel pipe is 100mm or more and the thickness of the steel pipe is 3.5mm or more.
6. A wet sprayed concrete surface levelling device according to claim 1, characterized in that the length of the connecting sleeve (21) is 0.8-1.2m.
7. A wet sprayed concrete surface leveling device according to claim 1, characterized in that the second shovel head (22) is of rectangular plate-like structure; the second shovel head (22) is characterized by: length x width = 40cm x 30cm.
8. A wet spray concrete surfacing apparatus according to claim 1, wherein the predetermined height is a height of 3m from the floor of the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118345.1U CN219241933U (en) | 2023-01-15 | 2023-01-15 | Wet spraying concrete surface leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118345.1U CN219241933U (en) | 2023-01-15 | 2023-01-15 | Wet spraying concrete surface leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219241933U true CN219241933U (en) | 2023-06-23 |
Family
ID=86845581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118345.1U Active CN219241933U (en) | 2023-01-15 | 2023-01-15 | Wet spraying concrete surface leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219241933U (en) |
-
2023
- 2023-01-15 CN CN202320118345.1U patent/CN219241933U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205804904U (en) | A kind of leveling unit | |
| CN105570534B (en) | Shallow overburden push pipe controls the equipment and construction method of ground structure deformation | |
| CN219241933U (en) | Wet spraying concrete surface leveling device | |
| CN111593741A (en) | Pipeline groove supporting device and construction method | |
| CN207567621U (en) | A kind of road surface scraping device | |
| CN215758968U (en) | Anti-tilting tamper for construction engineering | |
| CN104100278A (en) | Construction method for demolishing original arch frames and primarily supporting windings of transition sections of tunnels | |
| CN207554069U (en) | Concrete spraying trolley arm support | |
| CN210165006U (en) | Turnover type concrete pump pipe reinforcing device | |
| CN214497521U (en) | High-pressure rotary jet pile machine | |
| CN212295535U (en) | Mortar joint pointing device | |
| CN205276272U (en) | A tub machine is beaten in static pressure pneumatics | |
| CN209160570U (en) | A kind of assembly type reinforcing bar waste tank having enough to meet the need | |
| CN221761937U (en) | Tunnel preliminary bracing shotcrete spade ware | |
| CN211314232U (en) | Portable two lining platform trucks slant strutting arrangement | |
| CN209942173U (en) | Concrete spraying device | |
| CN209308048U (en) | A kind of roadbed side slope rockbolt installation device | |
| CN221799207U (en) | Novel energy-saving concrete slurry lifting and surface collecting integrated device | |
| CN220451895U (en) | Tunnel shotcrete face strickle device | |
| CN218206714U (en) | Tunnel preliminary bracing shotcrete screeding device | |
| CN111719829A (en) | Mortar joint pointing device | |
| CN205399158U (en) | Tile work machine supplies brick device | |
| CN219081598U (en) | Concrete spraying device with shake flat function | |
| CN206245698U (en) | The convenient edge brickwork tool of indoor and outdoor | |
| CN217352197U (en) | Desert area grass square construction tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |