CN217462193U

CN217462193U - Concrete sprayer for tunnel construction

Info

Publication number: CN217462193U
Application number: CN202221712862.3U
Authority: CN
Inventors: 郝东; 肖伯荣; 熊海林; 谭玉峰; 雷迅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-20
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a concrete sprayer for tunnel construction, including loading board, agitator tank, liquid pump, inlet pipe, discharging pipe and injector head, the mounting hole is seted up at the top of loading board, rotates through the bearing in the mounting hole and installs the pivot, and outside the both ends of pivot all extended to the mounting hole, the top fixed mounting of pivot had the disc, and the equal fixed mounting of agitator tank and liquid pump was at the top of disc, the one end of inlet pipe and the suction end fixed connection of liquid pump, the one end and the agitator tank fixed connection and be linked together of liquid pump are kept away from to the inlet pipe, the one end of discharging pipe and the discharge end fixed connection of liquid pump. The utility model relates to a rationally, the practicality is good, when spraying concrete construction, not only can adjust the high position of injector head to can also carry out horizontal rotation to the injector head and adjust the inclination of injector head, the reinforcing sprays the effect, satisfying the user demand that can be better.

Description

Concrete sprayer for tunnel construction

Technical Field

The utility model relates to a concrete sprayer technical field specifically is a concrete sprayer for tunnel construction.

Background

The concrete sprayer is a mechanical equipment for directly spraying concrete mixture onto the surface of building or structure to reinforce the surface of building or form new structure.

In the prior art, when the tunnel construction work is carried out, the concrete sprayer is a core device in the concrete spraying construction, but the height of the spraying head of the existing concrete sprayer is inconvenient to adjust.

The concrete sprayer for tunnel construction is disclosed in Chinese patent with the publication number of CN216588624U, and has the technical key points that: including the loading board, the top fixedly connected with agitator tank and the liquid pump of loading board, be connected with the inlet pipe between liquid pump and the agitator tank, be connected with the discharging pipe on the liquid pump, the top fixedly connected with fagging of loading board, the shifting chute has been seted up to one side of fagging, vertical slidable mounting has the movable plate in the shifting chute, fixedly connected with pneumatic cylinder on the bottom inner wall of shifting chute, the hydraulic stem and the movable plate fixed connection of pneumatic cylinder, the top fixedly connected with pole setting of movable plate, the top fixedly connected with control tube of pole setting, the one end sealing contact of control tube has the injector head, two insert plates of one end fixedly connected with of injector head.

Above-mentioned scheme adopts the pneumatic cylinder to adjust the high position of injector head, discover in actual production, because the wall in the tunnel not only all is vertical plane, also has arc wall and slope wall, be not convenient for adjust the inclination of injector head, also be difficult to the injector head horizontal rotation regulation, and then lead to the effect to the concrete injection ideal inadequately, the high not fine user demand that satisfies that can not adjust the injector head, for this reason, we provide a concrete sprayer for tunnel construction and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a concrete sprayer for tunnel construction has solved current concrete sprayer for tunnel construction and when using, is not convenient for adjust the inclination of injector head, also is inconvenient to injector head horizontal rotation regulation, and then leads to the not ideal enough to concrete injection's effect, only adjusts the problem that satisfies the user demand that the height of injector head can not be fine.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a concrete sprayer for tunnel construction comprises a bearing plate, an agitator tank, a liquid pump, a feed pipe, a discharge pipe and a spray head, wherein a mounting hole is formed in the top of the bearing plate, a rotating shaft is rotatably installed in the mounting hole through a bearing, two ends of the rotating shaft extend out of the mounting hole, a disc is fixedly installed at the top end of the rotating shaft, the agitator tank and the liquid pump are fixedly installed at the top end of the disc, one end of the feed pipe is fixedly connected with the suction end of the liquid pump, the end, away from the liquid pump, of the feed pipe is fixedly connected with the agitator tank and communicated with the agitator tank, the end, away from the liquid pump, of the discharge pipe is fixedly connected with the discharge end of the liquid pump, an electric push rod is fixedly installed at the top end of the disc, a support plate is fixedly installed at the output end of the electric push rod, a telescopic pipe is slidably installed in the discharge pipe, the top end, away from the telescopic pipe, is fixedly connected with a spray pipe, the injector head fixed connection is in the one end that the bellows was kept away from to the material pipe that spouts, and the bottom of loading board is provided with horizontal rotation adjusting part, and the top of backup pad is provided with angle adjusting part.

Preferably, the horizontal rotation adjusting assembly comprises a first motor, a driving straight gear and a driven straight gear, the first motor is fixedly installed at the bottom of the bearing plate through a support, the driving straight gear is fixedly installed at the output shaft end of the first motor, the driven straight gear is fixedly installed at the bottom end of the rotating shaft, and the driving straight gear is meshed with the driven straight gear.

Preferably, the bottom fixed mounting of loading board has the protection casing, and first motor, initiative spur gear and driven spur gear all are located the protection casing.

Preferably, angle adjusting element includes the U template, the cross axle, the connecting seat, the second motor, initiative bevel gear and driven bevel gear, U template fixed mounting is at the top of backup pad, the cross axle rotates to be installed in the U template, the fixed cover of connecting seat is established on the cross axle, the top of connecting seat extends to outside the U template, spout material pipe fixed mounting on the connecting seat, the one end of spouting the material pipe runs through the connecting seat, the second motor passes through support fixed mounting and is located the front side of connecting seat on the bottom inner wall of U template, initiative bevel gear fixed mounting is at the output shaft end of second motor, the fixed cover of driven bevel gear is established on the cross axle and is located the front side of connecting seat, initiative bevel gear meshes with driven bevel gear mutually.

Preferably, the left side fixed mounting of U-shaped board has the gusset plate, and the gusset plate fixed cover is established on flexible pipe, and the gusset plate is located the top of discharging pipe.

Preferably, the bottom of disc nests has a plurality of balls, and a plurality of balls use the pivot to be equidistant arranging as the center, and a plurality of balls all with the top rolling contact of loading board.

(III) advantageous effects

The utility model provides a concrete sprayer for tunnel construction. The method has the following beneficial effects:

(1) this concrete sprayer for tunnel construction through the starter pump, and the concrete in the steerable agitator tank is followed the injector head blowout, can carry out the construction operation to the concrete injection on the wall in the tunnel, through starting electric putter work, can highly adjust the injector head, can satisfy the demand that carries out the injection to the wall of co-altitude not in the tunnel.

(2) This concrete sprayer for tunnel construction through the connection cooperation that utilizes horizontal rotation adjusting part, can carry out horizontal rotation to the injector head and adjust, can change the direction that the concrete erupted, can satisfy the demand of carrying out the injection to the wall of equidirectional in the tunnel, has solved the problem that is not convenient for carry out horizontal rotation to the injector head and adjusts.

(3) This concrete sprayer for tunnel construction through the connection cooperation that utilizes angle adjusting subassembly, can adjust the inclination of injector head, can change the angle that the concrete erupted, can satisfy the demand of carrying out the injection to arcwall face wall and inclined plane wall in the tunnel, has solved the inclination of injector head and has not been convenient for the problem of adjusting.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a carrier plate; 2. a stirring tank; 3. a liquid pump; 4. a feed pipe; 5. a discharge pipe; 6. an injector head; 7. a rotating shaft; 8. a disc; 9. an electric push rod; 10. a support plate; 11. a U-shaped plate; 12. a horizontal axis; 13. a connecting seat; 14. a material spraying pipe; 15. a bellows; 16. a telescopic pipe; 17. a reinforcing plate; 18. a first motor; 19. a driving spur gear; 20. a driven spur gear; 21. a protective cover; 22. a second motor; 23. a driving bevel gear; 24. a driven bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention, and in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-3, the utility model provides a technical solution: a concrete sprayer for tunnel construction comprises a bearing plate 1, an agitator tank 2, a liquid pump 3, a feed pipe 4, a discharge pipe 5 and a spray head 6, wherein a mounting hole is formed in the top of the bearing plate 1, a rotating shaft 7 is rotatably mounted in the mounting hole through a bearing, two ends of the rotating shaft 7 extend out of the mounting hole, a disc 8 is fixedly mounted at the top end of the rotating shaft 7, the agitator tank 2 and the liquid pump 3 are fixedly mounted at the top of the disc 8, the agitator tank 2 is used for storing concrete, the liquid pump 3 is used for discharging concrete, one end of the feed pipe 4 is fixedly connected with the suction end of the liquid pump 3, one end of the feed pipe 4 far away from the liquid pump 3 is fixedly connected and communicated with the agitator tank 2, one end of the discharge pipe 5 is fixedly connected with the discharge end of the liquid pump 3, an electric push rod 9 is fixedly mounted at the top of the disc 8, a support plate 10 is fixedly mounted at the output shaft of the electric push rod 9, the electric push rod 9 is used for adjusting the height position of the support plate 10, and then realize adjusting the high position of injector head 6, slidable mounting has flexible pipe 16 in discharging pipe 5, the top of flexible pipe 16 extends to outside discharging pipe 5 and fixedly connected with bellows 15, bellows 15 keeps away from the one end fixedly connected with of flexible pipe 16 and spouts material pipe 14, injector head 6 fixed connection is at the one end that spouts material pipe 14 and keep away from bellows 15, the bottom of loading board 1 is provided with the horizontal rotation adjusting part, utilize the horizontal rotation adjusting part, can realize carrying out horizontal rotation regulation to injector head 6, and then can change the direction that the concrete erupted, the top of backup pad 10 is provided with the angle adjusting part, utilize the angle adjusting part, can realize adjusting the inclination of injector head 6, and then can change the angle that erupts of concrete.

In this embodiment, the outer wall of the extension tube 16 is fixedly sleeved with a sealing ring, and the outer wall of the sealing ring is in sliding sealing contact with the inner wall of the discharge tube 5, so that the sealing ring can seal the gap between the extension tube 16 and the discharge tube 5.

In this embodiment, horizontal rotation adjusting part includes first motor 18, initiative spur gear 19 and driven spur gear 20, first motor 18 passes through support fixed mounting in the bottom of loading board 1, initiative spur gear 19 fixed mounting is at the output axle head of first motor 18, driven spur gear 20 fixed mounting is in the bottom of pivot 7, initiative spur gear 19 meshes with driven spur gear 20 mutually, utilize initiative spur gear 19 and driven spur gear 20 meshing transmission, steerable pivot 7 drives 8 horizontal rotations of disc, and then make injector head 6 use pivot 7 to carry out horizontal rotation as the axle center.

In this embodiment, the bottom of the bearing plate 1 is fixedly provided with a protective cover 21, the first motor 18, the driving spur gear 19 and the driven spur gear 20 are all located in the protective cover 21, and the protective cover 21 is used for isolating and protecting the first motor 18, the driving spur gear 19 and the driven spur gear 20.

In this embodiment, the angle adjusting assembly includes a U-shaped plate 11, a cross shaft 12, a connecting seat 13, a second motor 22, a driving bevel gear 23 and a driven bevel gear 24, the U-shaped plate 11 is fixedly installed on the top of the supporting plate 10, the cross shaft 12 is rotatably installed in the U-shaped plate 11, the connecting seat 13 is fixedly sleeved on the cross shaft 12, the top of the connecting seat 13 extends out of the U-shaped plate 11, a material spraying pipe 14 is fixedly installed on the connecting seat 13, one end of the material spraying pipe 14 penetrates through the connecting seat 13, the second motor 22 is fixedly installed on the inner wall of the bottom of the U-shaped plate 11 through a bracket and is located on the front side of the connecting seat 13, the driving bevel gear 23 is fixedly installed at the output shaft end of the second motor 22, the driven bevel gear 24 is fixedly sleeved on the cross shaft 12 and is located on the front side of the connecting seat 13, the driving bevel gear 23 is engaged with the driven bevel gear 24, and transmission is realized by the engagement of the driving bevel gear 23 and the driven bevel gear 24, the inclination angle of the ejection head 6 can be changed by controlling the rotation of the horizontal shaft 12 so that the ejection head 6 rotates about the horizontal shaft 12.

In this embodiment, the reinforcing plate 17 is fixedly installed on the left side of the U-shaped plate 11, the reinforcing plate 17 is fixedly sleeved on the telescopic pipe 16, the reinforcing plate 17 is located above the discharge pipe 5, and the reinforcing plate 17 is utilized to enable the telescopic pipe 16 to be synchronously and stably lifted or lowered by driving the telescopic pipe 16 through the reinforcing plate 17 when the U-shaped plate 11 is lifted or lowered.

In this embodiment, the bottom of disc 8 is nested there are a plurality of balls, and a plurality of balls use pivot 7 to be equidistant arranging as the center, a plurality of balls all with the top rolling contact of loading board 1, utilize a plurality of balls to make the rotation of disc 8 on loading board 1 more smooth and easy to a plurality of balls also are used for supporting disc 8.

In this embodiment, the top of the bearing plate 1 is provided with a side plate and two handheld rods, and the bottom of the bearing plate 1 is further provided with four universal wheels, and the assembling relationships thereof are disclosed in the patent document of a concrete sprayer for tunnel construction disclosed in the publication No. CN216588624U, and belong to the conventional technical means in the prior art, and therefore, the details thereof are not repeated.

In this embodiment, the top of the loading plate 1 is provided with a control switch, the liquid pump 3, the electric push rod 9, the first motor 18, the second motor 22 and the control switch are sequentially connected with an external power line to form a loop through a guide, the first motor 18 and the second motor 22 both adopt motors capable of rotating forward and backward, the control switch can control the start and stop of the liquid pump 3, the start and stop and the reset of the electric push rod 9 can be controlled, and the start and stop and the forward and backward rotation of the first motor 18 and the second motor 22 can be controlled respectively.

When in use, the concrete sprayer is integrally pushed to a tunnel construction site, the power supply is switched on, after concrete materials are poured into the stirring tank 2 and are stirred, the liquid pump 3 is started, so that the concrete in the stirring tank 2 sequentially passes through the feeding pipe 4, the liquid pump 3, the discharging pipe 5, the telescopic pipe 16, the corrugated pipe 15 and the spraying pipe 14 and is finally sprayed out of the spraying head 6, the concrete sprayed out of the spraying head 6 can be sprayed on the wall in the tunnel for construction operation, the electric push rod 9 is started to work, the electric push rod 9 drives the supporting plate 10, the U-shaped plate 11, the transverse shaft 12, the connecting seat 13, the spraying pipe 14, the spraying head 6, the corrugated pipe 15, the telescopic pipe 16 and the reinforcing plate 17 to rise, so that the telescopic pipe 16 gradually slides out of the discharging pipe 5, the spraying head 6 can be adjusted to a proper height position according to construction requirements, and the spraying requirements on the walls with different heights in the tunnel can be met, by starting the first motor 18 to rotate forwards or backwards, the driving straight gear 19 and the driven straight gear 20 are used for meshing transmission, the controllable rotating shaft 7 drives the disc 8 to rotate horizontally, and further the controllable spraying head 6 rotates horizontally by taking the rotating shaft 7 as an axis, so that concrete can be sprayed in different directions, the requirements for spraying walls in different directions in a tunnel are met, by starting the second motor 22 to rotate forwards or backwards, by using the meshing transmission of the driving bevel gear 23 and the driven bevel gear 24 and matching with the deformability of the corrugated pipe 15, the controllable transverse shaft 12 drives the connecting seat 13, the spraying pipe 14 and the spraying head 6 to rotate, further the controllable spraying head 6 rotates by taking the transverse shaft 12 as a center, the spraying head 6 gradually inclines upwards or downwards, the spraying angle of the concrete can be changed, and the requirements for spraying arc-shaped wall and inclined-surface wall in the tunnel are met, and those not described in detail in this specification are well within the skill of the art.

To sum up, this concrete sprayer for tunnel construction when the shotcrete construction, not only can adjust the high position of shower head 6 to can also carry out horizontal rotation to shower head 6 and adjust the inclination of shower head 6, the reinforcing injection effect, satisfying the user demand that can be better.

Claims

1. The utility model provides a concrete sprayer for tunnel construction, includes loading board (1), agitator tank (2), liquid pump (3), inlet pipe (4), discharging pipe (5) and injector head (6), its characterized in that: the mounting hole is seted up at the top of loading board (1), install pivot (7) through the bearing rotation in the mounting hole, the both ends of pivot (7) all extend to outside the mounting hole, the top fixed mounting of pivot (7) has disc (8), agitator tank (2) with equal fixed mounting of liquid pump (3) are in the top of disc (8), the one end of inlet pipe (4) with the suction end fixed connection of liquid pump (3), the one end that liquid pump (3) were kept away from in inlet pipe (4) with agitator tank (2) fixed connection and be linked together, the one end of discharging pipe (5) with the discharge end fixed connection of liquid pump (3), the top fixed mounting of disc (8) has electric putter (9), the output shaft fixed mounting of electric putter (9) has backup pad (10), slidable mounting has flexible pipe (16) in discharging pipe (5), the top of flexible pipe (16) extends to discharging pipe (5) outer and fixedly connected with bellows (15), bellows (15) are kept away from the one end fixedly connected with of flexible pipe (16) and are spouted material pipe (14), injector head (6) fixed connection is in spout the one end that bellows (15) were kept away from in material pipe (14), the bottom of loading board (1) is provided with the horizontal rotation adjusting part, the top of backup pad (10) is provided with angle adjusting part.

2. The concrete sprayer for tunnel construction according to claim 1, characterized in that: horizontal rotation adjusting part includes first motor (18), initiative straight-teeth gear (19) and driven straight-teeth gear (20), first motor (18) through support fixed mounting in the bottom of loading board (1), initiative straight-teeth gear (19) fixed mounting be in the output axle head of first motor (18), driven straight-teeth gear (20) fixed mounting be in the bottom of pivot (7), initiative straight-teeth gear (19) with driven straight-teeth gear (20) mesh mutually.

3. The concrete sprayer for tunnel construction according to claim 2, characterized in that: the bottom fixed mounting of loading board (1) has protection casing (21), first motor (18), initiative spur gear (19) and driven spur gear (20) all are located in protection casing (21).

4. The concrete sprayer for tunnel construction according to claim 1, characterized in that: the angle adjusting assembly comprises a U-shaped plate (11), a transverse shaft (12), a connecting seat (13), a second motor (22), a driving bevel gear (23) and a driven bevel gear (24), the U-shaped plate (11) is fixedly installed at the top of the supporting plate (10), the transverse shaft (12) is rotatably installed in the U-shaped plate (11), the connecting seat (13) is fixedly sleeved on the transverse shaft (12), the top of the connecting seat (13) extends to the outside of the U-shaped plate (11), a spraying pipe (14) is fixedly installed on the connecting seat (13), one end of the spraying pipe (14) penetrates through the connecting seat (13), the second motor (22) is fixedly installed on the inner wall of the bottom of the U-shaped plate (11) and located at the front side of the connecting seat (13), the driving bevel gear (23) is fixedly installed at the output shaft end of the second motor (22), the driven bevel gear (24) is fixedly sleeved on the transverse shaft (12) and is positioned on the front side of the connecting seat (13), and the driving bevel gear (23) is meshed with the driven bevel gear (24).

5. The concrete sprayer for tunnel construction according to claim 4, characterized in that: the left side fixed mounting of U template (11) has gusset plate (17), gusset plate (17) fixed cover is established on flexible pipe (16), gusset plate (17) are located the top of discharging pipe (5).

6. The concrete sprayer for tunnel construction according to claim 1, characterized in that: the bottom of the disc (8) is nested with a plurality of balls, the balls are distributed at equal intervals by taking the rotating shaft (7) as the center, and the balls are in rolling contact with the top of the bearing plate (1).