CN219119254U

CN219119254U - Tunnel concrete spraying equipment

Info

Publication number: CN219119254U
Application number: CN202222759935.0U
Authority: CN
Inventors: 唐斌; 袁园
Original assignee: PowerChina Roadbridge Group Co Ltd
Current assignee: PowerChina Roadbridge Group Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-06-02
Anticipated expiration: 2032-10-19

Abstract

The utility model provides a tunnel concrete spraying device, and belongs to the technical field of tunnel construction. The device includes concrete tank, flexible conveyer pipe, fixed pipe, vertical adjustment mechanism, adjustable shower nozzle, bottom plate and universal wheel, and the concrete tank communicates with the pan feeding end of flexible conveyer pipe, and the discharge end and the fixed pipe intercommunication of flexible conveyer pipe, adjustable shower nozzle are connected with fixed pipe, and vertical adjustment mechanism installs between bottom plate and fixed pipe, and the universal wheel setting is on the bottom surface of bottom plate. Through the structure, when the concrete spraying device is used for spraying concrete by a worker, the concrete box conveys the concrete into the fixed pipe through the telescopic conveying pipe, the worker can easily and effectively finish spraying by adjusting the height and the direction of the fixed pipe, and when facing different working conditions, the worker can adjust the adjustable spray heads to carry out special operation, so that the construction efficiency can be improved.

Description

Tunnel concrete spraying equipment

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a tunnel concrete spraying device.

Background

The sprayed concrete is a construction method of spraying and pouring fine stone concrete by using a pressure spray gun. It is often used for lining tunnels, walls, ceilings and other thin-wall or other structures, and for protecting steel structures. The sprayed concrete is formed by filling cement, sand, cobble, water and a certain amount of additives which are prepared in advance into a spraying machine, sending the mixture to a spray head by using high-pressure air to mix with an accelerator, and spraying the mixture onto the surface of rock or concrete at a high speed.

However, when the constructor uses the pressure spray gun to spray concrete, the spray head of the pressure spray gun needs to be aligned with the area where the concrete needs to be sprayed, and the direction and the angle of the spray head need to be continuously converted, so that the constructor has huge physical consumption and wastes manpower. Therefore, the existing concrete spraying equipment has the technical problem that the labor intensity is too high, so that the construction efficiency is affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a tunnel concrete spraying device, which solves the technical problem that the existing concrete spraying device has too high labor intensity so as to influence the construction efficiency.

The aim of the utility model is realized by the following technical scheme: the utility model provides a tunnel shotcrete equipment, includes concrete box, flexible conveyer pipe, fixed pipe, vertical adjustment mechanism, adjustable shower nozzle, bottom plate and universal wheel, the concrete box with the pan feeding end intercommunication of flexible conveyer pipe, the discharge end of flexible conveyer pipe with fixed pipe intercommunication, adjustable shower nozzle with fixed pipe is connected, vertical adjustment mechanism installs the bottom plate with between the fixed pipe, the universal wheel sets up on the bottom surface of bottom plate.

Through the structure, when the concrete box is used for spraying concrete by a worker, the concrete box conveys the concrete into the fixed pipe through the telescopic conveying pipe, the worker can easily and effectively finish spraying by adjusting the height and the direction of the fixed pipe, and when facing different working conditions, the worker can adjust the adjustable spray head to carry out special operation, so that the construction efficiency can be improved.

Further, vertical adjustment mechanism includes bracing piece and vertical telescopic link, the both ends of bracing piece are articulated respectively to be installed the bottom plate and on the fixed pipe, the top of vertical telescopic link is articulated to be installed on the fixed pipe, the bracing piece with vertical telescopic link is located the both ends of fixed pipe, the staff is through adjusting the length of vertical telescopic link, the bracing piece is because with fixed pipe articulated connection, works as when vertical telescopic link is elongated, the elevation angle of fixed pipe becomes big, works as when vertical telescopic link shortens, the elevation angle of fixed pipe becomes small, thereby realizes adjusting the function of fixed pipe vertical direction angle.

Further, vertical telescopic link includes sleeve, rack, gear and pivot, telescopic bottom fixed mounting is in on the bottom plate, rack slidable mounting be in the sleeve and stretch out in the sleeve, telescopic lateral wall is provided with the mounting box, the gear is installed in the mounting box, the rack with the pivot meshing is connected, the pivot with the gear concentric setting, pivot one end with gear fixed connection, through above-mentioned structure, the staff begins the pivoted when the pivot, the pivot drives gear rotation, finally gear rotation drive the rack carries out elevating movement, thereby realizes the lift of vertical telescopic link.

Further, the outside of pivot is provided with the card strip, the outside cover of pivot is equipped with fixed buckle, fixed buckle is close to the one end of mounting box is provided with the fixture block, a plurality of recesses have been seted up to the outer wall of mounting box, every the recess with the fixture block adaptation, a plurality of the recess is circumference and distributes, and when the staff needs to be fixed the length of vertical telescopic link, the staff slides fixed buckle orientation the one end of mounting box, fixed buckle the fixture block is embedded into in the recess, thereby realizes fixing pivot pivoted function, when the staff rotates the gear, slides fixed buckle until the fixture block withdraws from the recess, thereby makes the pivot can automatic rotation.

Further, the free end of the rotating shaft is detachably connected with a rocker, the rotating shaft is rotated through the rocker, and the rotating radius is increased, so that the rotating is easier and more labor-saving.

Further, the adjustable shower nozzle is including adjusting head, jet, the free end of fixed pipe is provided with first annular connector, the installation end of adjusting the head is provided with the second annular connector, the shape of adjusting the head is bullet head form, first annular connector with second annular connector passes through nut fixed connection, the jet has been seted up on the adjusting head, the jet is located the terminal side direction of adjusting the head, when the staff needs to adjust the injection angle of adjustable shower nozzle, can accomplish the regulation through adjusting the adjusting head with the installation angle of fixed pipe.

Further, the handle end of the rocker is provided with an anti-slip sleeve, and the anti-slip sleeve is made of rubber materials, so that the hands of workers and the rocker are prevented from slipping in the using process.

The technical principle of the utility model is as follows:

compared with the prior art, the utility model has the following beneficial effects: through the cooperation of vertical adjustment mechanism and adjustable shower nozzle for the staff can adjust vertical adjustment mechanism and adjustable shower nozzle and change the injection direction and the angle of concrete, saves staff's amount of labour.

Drawings

FIG. 1 is a schematic diagram of a tunnel shotcrete device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the vertical telescoping pole of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the A-A interface of FIG. 2.

In the above figures: 1. a concrete box; 2. a telescopic conveying pipe; 3. a fixed tube; 4. a vertical adjustment mechanism; 5. an adjustable spray head; 6. a bottom plate; 7. a universal wheel; 8. a support rod; 9. a vertical telescopic rod; 10. a sleeve; 11. a rack; 12. a rotating shaft; 13. a gear; 14. a mounting box; 15. a fixing buckle; 16. a clamping block; 17. a rocker; 18. adjusting the head; 19. an ejection port; 20. an anti-skid sleeve.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model provides a tunnel shotcrete device, which comprises a concrete box 1, a telescopic conveying pipe 2, a fixed pipe 3, a vertical adjusting mechanism 4, an adjustable spray head 5, a bottom plate 6 and universal wheels 7, wherein the concrete box 1 is communicated with a feeding end of the telescopic conveying pipe 2, a discharging end of the telescopic conveying pipe 2 is communicated with the fixed pipe 3, the fixed pipe 3 can extend to the deep of a tunnel, the influence of the position of the concrete box 1 on conveying concrete is avoided, the adjustable spray head 5 is connected with the fixed pipe 3, the vertical adjusting mechanism 4 is installed between the bottom plate 6 and the fixed pipe 3, the universal wheels 7 are arranged on the bottom surface of the bottom plate 6, and a worker carries the fixed pipe 3, the vertical adjusting mechanism 4 and the adjustable spray head 5 in a more labor-saving manner, so that a large amount of carrying time is saved, and the working efficiency is improved. Through the structure, when the concrete box 1 is used for spraying concrete by a worker, the concrete is conveyed into the fixed pipe 3 through the telescopic conveying pipe 2, the worker can easily and effectively finish spraying by adjusting the height and the direction of the fixed pipe 3, and when facing different working conditions, the worker can adjust the adjustable spray head 5 to carry out special operation, so that the construction efficiency can be improved.

Further, in order to better implement the present utility model, as shown in fig. 1-3, the vertical adjusting mechanism 4 includes a supporting rod 8 and a vertical telescopic rod 9, two ends of the supporting rod 8 are respectively hinged on the bottom plate 6 and the fixed pipe 3, a top end of the vertical telescopic rod 9 is hinged on the fixed pipe 3, the supporting rod 8 and the vertical telescopic rod 9 are located at two ends of the fixed pipe 3, the supporting rod 8 and the vertical telescopic rod 9 are on the same vertical plane, a worker adjusts the length of the vertical telescopic rod 9, the supporting rod 8 is hinged with the fixed pipe 3, when the vertical telescopic rod 9 is extended, an elevation angle of the fixed pipe 3 is increased, and when the vertical telescopic rod 9 is shortened, an elevation angle of the fixed pipe 3 is reduced, thereby realizing a function of adjusting a vertical direction angle of the fixed pipe 3.

Further, in order to better implement the present utility model, as shown in fig. 2 and 3, the vertical telescopic rod 9 includes a sleeve 10, a rack 11, a gear 13, and a rotating shaft 12, where the bottom end of the sleeve 10 is fixedly mounted on the bottom plate 6, the rack 11 is slidably mounted in the sleeve 10 and extends out of the sleeve 10, a mounting box 14 is disposed on a side wall of the sleeve 10, the mounting box 14 is used to provide a mounting space for the rotating shaft 12 and the gear 13, the gear 13 is mounted in the mounting box 14, the rack 11 is engaged with the rotating shaft 12, the rotating shaft 12 is coaxially disposed with the gear 13, one end of the rotating shaft 12 is fixedly connected with the gear 13, and through the above structure, when the rotating shaft 12 starts to rotate by a worker, the rotating shaft 12 drives the gear 13 to rotate, and finally the gear 13 rotates to drive the rack 11 to perform lifting motion, so as to implement lifting of the vertical telescopic rod 9.

Further, in order to better implement the present utility model, as shown in fig. 3, a clamping strip is disposed on the outer side of the rotating shaft 12, a fixing buckle 15 is sleeved on the outer side of the rotating shaft 12, the fixing buckle 15 is in a shape of a letter b, a clamping block 16 is disposed at one end of the fixing buckle 15, which is close to the mounting box 14, a plurality of grooves are formed on the outer wall of the mounting box 14, each groove is adapted to the clamping block 16, the plurality of grooves are distributed circumferentially, when a worker needs to fix the length of the vertical telescopic rod 9, the worker slides the fixing buckle 15 towards one end of the mounting box 14, the clamping block 16 of the fixing buckle 15 is embedded into the grooves, thereby realizing the function of fixing the rotating shaft 12, and when the worker rotates the gear 13, the fixing buckle 15 slides until the clamping block 16 exits the grooves, thereby enabling the rotating shaft 12 to rotate automatically.

Further, in order to better implement the present utility model, as shown in fig. 3, the free end of the rotating shaft 12 is detachably connected with a rocker 17, the rocker 17 is shaped like a Chinese character 'yi', and the rotating shaft 12 is rotated by the rocker 17, so that the radius of rotation is increased, and the rotation is easier and more labor-saving.

Further, in order to better implement the present utility model, as shown in fig. 1, the adjustable spray head 5 includes an adjustment head 18 and a spray orifice 19, a first annular connection port is provided at a free end of the fixed pipe 3, a second annular connection port is provided at a mounting end of the adjustment head 18, the adjustment head 18 is bullet-shaped, the first annular connection port and the second annular connection port are fixedly connected through a nut, the adjustment head 18 is provided with the spray orifice 19, the spray orifice 19 is located at a lateral direction of an end of the adjustment head 18, and when a worker needs to adjust a spray angle of the adjustable spray head 5, adjustment can be completed by adjusting a mounting angle of the adjustment head 18 and the fixed pipe 3.

Further, in order to better implement the present utility model, as shown in fig. 3, the handle end of the rocker 17 is provided with an anti-slip sleeve 20, and the anti-slip sleeve 20 is made of rubber material, so as to avoid slipping between the hands of the operator and the rocker 17 during use.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; and those of ordinary skill in the art will appreciate that the benefits achieved by the present utility model are merely better than those achieved by the current embodiments of the prior art in certain circumstances and are not intended to be the most excellent uses directly in the industry.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a tunnel shotcrete equipment, its characterized in that, including concrete box (1), flexible conveyer pipe (2), fixed pipe (3), vertical adjustment mechanism (4), adjustable shower nozzle (5), bottom plate (6) and universal wheel (7), concrete box (1) with the pan feeding end intercommunication of flexible conveyer pipe (2), the discharge end of flexible conveyer pipe (2) with fixed pipe (3) intercommunication, adjustable shower nozzle (5) with fixed pipe (3) are connected, vertical adjustment mechanism (4) are installed bottom plate (6) and between fixed pipe (3), universal wheel (7) set up on the bottom surface of bottom plate (6).

2. A tunnel shotcrete equipment according to claim 1, characterized in that the vertical adjustment mechanism (4) comprises a support rod (8) and a vertical telescopic rod (9), wherein both ends of the support rod (8) are respectively hinged on the bottom plate (6) and the fixed pipe (3), the top end of the vertical telescopic rod (9) is hinged on the fixed pipe (3), and the support rod (8) and the vertical telescopic rod (9) are positioned at both ends of the fixed pipe (3).

3. A tunnel shotcrete equipment according to claim 2, characterized in that vertical telescopic link (9) includes sleeve (10), rack (11), gear (13) and pivot (12), the bottom fixed mounting of sleeve (10) is in on bottom plate (6), rack (11) slidable mounting in sleeve (10) and stretch out in sleeve (10), the lateral wall of sleeve (10) is provided with mounting box (14), gear (13) are installed in mounting box (14), rack (11) with pivot (12) meshing is connected, pivot (12) with gear (13) coaxial setting, pivot (12) one end with gear (13) fixed connection.

4. A tunnel shotcrete equipment according to claim 3, characterized in that, the outside of pivot (12) is provided with the card strip, the outside cover of pivot (12) is equipped with fixed buckle (15), the one end that fixed buckle (15) is close to mounting box (14) is provided with fixture block (16), a plurality of recesses have been seted up to the outer wall of mounting box (14), every the recess with fixture block (16) adaptation, a plurality of recesses are circumference distribution.

5. Tunnel shotcrete equipment according to claim 4, characterized in that the free end of the spindle (12) is detachably connected with a rocker (17).

6. The tunnel concrete spraying device according to claim 1, wherein the adjustable spray head (5) comprises an adjusting head (18) and a spray orifice (19), a first annular connecting port is arranged at the free end of the fixed pipe (3), a second annular connecting port is arranged at the mounting end of the adjusting head (18), the adjusting head (18) is bullet-shaped, the first annular connecting port is fixedly connected with the second annular connecting port through a nut, the spray orifice (19) is formed in the adjusting head (18), and the spray orifice (19) is located at the lateral direction of the tail end of the adjusting head (18).

7. Tunnel shotcrete equipment according to claim 5, characterized in that the grip end of the rocker (17) is provided with an anti-slip sleeve (20), the anti-slip sleeve (20) being made of rubber material.