High and cold tunnel concrete spraying device

Abstract

The utility model provides a high and cold tunnel concrete spraying device, and relates to the technical field of concrete spraying, the high and cold tunnel concrete spraying device comprises a material storage box, the top of the material storage box is fixedly connected with a supporting seat, the supporting seat is provided with a driving part, the driving part is connected with a supporting frame, and the supporting frame is connected with a spraying head main body; and a conveying part is arranged between the spray head main body and the storage box. By arranging the driving part, the driving part can drive the spray head body to rotate through the supporting frame, so that automatic control over the angle of the spray head body is achieved, workers do not need to directly operate the spray head body, the labor intensity of the workers is greatly reduced, meanwhile, the construction efficiency is improved, and concrete can be accurately and evenly sprayed to the tunnel wall face through automatic control; and particularly, on a curved surface or a complex structure, the phenomenon of uneven concrete coverage or cavities is effectively avoided, and the overall quality of the tunnel structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete spraying, and particularly relates to a concrete spraying device for alpine tunnels. Background Art

[0002] Tunnel construction in alpine regions is an extremely challenging engineering task. Especially under harsh environmental conditions such as extreme low temperatures, strong winds, and ice and snow cover, the concrete spraying operation is particularly difficult.

[0003] The traditional method of manually holding a spray head for spraying not only has low efficiency but also high labor intensity. In addition, it is difficult to ensure the uniformity and accuracy of spraying with a handheld spray head, especially at tunnel curved surfaces or complex structures, which is likely to cause uneven concrete coverage or form cavities, affecting the project quality. Therefore, we made improvements and proposed a concrete spraying device for alpine tunnels. Summary of the Invention

[0004] The purpose of the utility model is to address the problems of low efficiency and high labor intensity in the current manual spraying with a handheld spray head.

[0005] To achieve the above-mentioned invention purpose, the utility model provides a concrete spraying device for alpine tunnels to improve the above problems.

[0006] Specifically, this application is as follows:

[0007] A concrete spraying device for alpine tunnels includes a storage tank. A support seat is fixedly connected to the top of the storage tank. A driving part is arranged on the support seat. The driving part is connected to a support frame. The support frame is connected to a spray head main body. A conveying part is arranged between the spray head main body and the storage tank.

[0008] As a preferred technical solution of this application, the driving part includes a reduction motor installed on the top of the storage tank. The output shaft of the reduction motor is fixedly connected to a transmission shaft. One end of the transmission shaft passes through the support seat and is fixedly connected to the support frame. A bearing is arranged between the outer surface of the transmission shaft and the support seat.

[0009] As a preferred technical solution of this application, the conveying part includes a transfer pump installed on the top of the storage tank. The input end of the transfer pump is connected to a feed pipe. The feed pipe penetrates into the storage tank. A delivery hose is connected between the output end of the transfer pump and the spray head main body.

[0010] As a preferred technical solution of this application, a feeding port is opened on the top of the storage tank. The feeding port is used for feeding materials into the storage tank.

[0011] As a preferred technical solution of this application, a vehicle body is installed at the bottom of the storage tank.

[0012] As a preferred technical solution of the present application, both sides of the top of the storage box are fixedly connected with first limiting plates, and a plurality of first screw holes are opened on both of the first limiting plates.

[0013] As a preferred technical solution of the present application, a second limiting plate is fixedly installed on one side of the vehicle body, and a plurality of second screw holes are opened on both sides of the second limiting plate.

[0014] As a preferred technical solution of the present application, a gap is left between the bottom of the second limiting plate and the top of the vehicle body.

[0015] As a preferred technical solution of the present application, a protective cover is sleeved on the outer surface of the second limiting plate, and a plurality of hand-tightening bolts are arranged on both sides of the protective cover, and the hand-tightening bolts are connected with the second screw holes.

[0016] As a preferred technical solution of the present application, a handle is fixedly installed on the side surface of the protective cover.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] In the solution of the present application:

[0019] In order to solve the problems of low spraying efficiency and high labor intensity when manually holding the spray head in the prior art, in the present application, through the arranged driving part, the driving part can drive the spray head main body to rotate through the support frame to realize the automatic control of the angle of the spray head main body, without the worker directly operating the spray head main body, greatly reducing the labor intensity of the worker, and at the same time improving the construction efficiency. The automatic control enables the concrete to be accurately and evenly sprayed onto the tunnel wall surface, especially at curved surfaces or complex structures, effectively avoiding the phenomena of uneven concrete coverage or cavities, and improving the overall quality of the tunnel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the concrete spraying device for alpine tunnels provided by the present application;

[0021] Figure 2 is a schematic structural diagram of the second limiting plate of the concrete spraying device for alpine tunnels provided by the present application;

[0022] Figure 3 is a schematic structural diagram of the spray head main body of the concrete spraying device for alpine tunnels provided by the present application;

[0023] Figure 4 is a schematic structural diagram of the protective cover of the concrete spraying device for alpine tunnels provided by the present application when protecting the delivery pump.

[0024] Labels in the figures:

[0025] 1. Vehicle body; 101. Storage bin; 102. Delivery hose; 103. Sprayer body; 104. Feeding port; 105. Delivery pump;

[0026] 2. Support base; 201. Drive shaft; 202. Reduction motor; 203. Support frame;

[0027] 3. First limit plate; 301. First screw hole; 302. Second limit plate; 303. Second screw hole;

[0028] 4. Protective cover; 401. Hand-tightening bolt; 402. Handle. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] As recorded in the background art, the traditional method of manually holding a spray head for spraying not only has low efficiency, but also high labor intensity. In addition, it is difficult for a hand-held spray head to ensure the uniformity and accuracy of spraying. Especially at the tunnel curved surface or complex structure, it is easy to cause uneven concrete coverage or form voids, affecting the project quality.

[0031] To solve this technical problem, the present utility model provides a concrete spraying device for alpine tunnels, which is applied to the spraying of tunnel concrete.

[0032] Specifically, please refer to Figures 1 - 3 , the concrete spraying device for alpine tunnels specifically includes:

[0033] A storage bin 101, a support base 2 is fixedly connected to the top of the storage bin 101, a driving part is arranged on the support base 2, the driving part is connected to a support frame 203, the support frame 203 is connected to a sprayer body 103, and a conveying part is arranged between the sprayer body 103 and the storage bin 101.

[0034] The concrete spraying device for alpine tunnels provided by the present utility model. In this application, through the provided driving part, the driving part can drive the nozzle body 103 to rotate through the support frame 203, so as to realize the automatic control of the angle of the nozzle body 103. There is no need for workers to directly operate the nozzle body 103, which greatly reduces the labor intensity of workers and improves the construction efficiency at the same time. The automatic control enables the concrete to be sprayed precisely and evenly onto the tunnel wall surface, especially at curved surfaces or complex structures, effectively avoiding the phenomena of uneven concrete coverage or cavities, and improving the overall quality of the tunnel structure.

[0035] In order to enable the personnel in the technical field to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

[0036] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0038] Example 1, please refer to Figures 1 - 3 , a concrete spraying device for alpine tunnels, including a storage tank 101. A support base 2 is fixedly connected to the top of the storage tank 101. A driving part is arranged on the support base 2. The driving part is connected with a support frame 203. The support frame 203 is connected with a nozzle body 103. A conveying part is arranged between the nozzle body 103 and the storage tank 101. In this application, through the provided driving part, the driving part can drive the nozzle body 103 to rotate through the support frame 203, so as to realize the automatic control of the angle of the nozzle body 103. There is no need for workers to directly operate the nozzle body 103, which greatly reduces the labor intensity of workers and improves the construction efficiency at the same time. The automatic control enables the concrete to be sprayed precisely and evenly onto the tunnel wall surface, especially at curved surfaces or complex structures, effectively avoiding the phenomena of uneven concrete coverage or cavities, and improving the overall quality of the tunnel structure.

[0039] Further, as Figure 2 shown, the driving part includes a reduction motor 202 installed on the top of the storage tank 101. The output shaft of the reduction motor 202 is fixedly connected with a transmission shaft 201. One end of the transmission shaft 201 passes through the support base 2 and is fixedly connected with the support frame 203. A bearing is arranged between the outer surface of the transmission shaft 201 and the support base 2. The reduction motor 202 can drive the support frame 203 to rotate through the transmission shaft 201, so that the support frame 203 drives the nozzle body 103 to rotate.

[0040] Further, as Figures 1 - 3As shown in the figure, the conveying part includes a conveying pump 105 installed on the top of the storage tank 101. The input end of the conveying pump 105 is connected with a feed pipe, and the feed pipe penetrates into the storage tank 101. A conveying hose 102 is connected between the output end of the conveying pump 105 and the nozzle body 103. The conveying pump 105 can convey concrete to the nozzle body 103 through the feed pipe and the conveying hose 102, and finally spray it out from the nozzle body 103.

[0041] Embodiment 2 further optimizes the high-cold tunnel concrete spraying device provided in Embodiment 1. Specifically, as Figure 1 shown in the figure, a feeding port 104 is opened at the top of the storage tank 101, and the feeding port 104 is used for feeding materials into the storage tank 101, that is, concrete can be added into the storage tank 101 from the feeding port 104.

[0042] Furthermore, as Figure 1 shown in the figure, a vehicle body 1 is installed at the bottom of the storage tank 101, and the vehicle body 1 is used to realize the overall movement.

[0043] Embodiment 3 further optimizes the high-cold tunnel concrete spraying device provided in Embodiment 1 or 2. Specifically, as Figures 2 - 3 shown in the figure, two first limiting plates 3 are fixedly connected to both sides of the top of the storage tank 101, and a plurality of first screw holes 301 are opened on both first limiting plates 3.

[0044] Furthermore, as Figure 3 shown in the figure, a second limiting plate 302 is fixedly installed on one side of the vehicle body 1, and a plurality of second screw holes 303 are opened on both sides of the second limiting plate 302.

[0045] Furthermore, a gap is left between the bottom of the second limiting plate 302 and the top of the vehicle body 1.

[0046] Furthermore, as Figures 1 - 2 shown in the figure, a protective cover 4 is sleeved on the outer surface of the second limiting plate 302. A plurality of hand-tightening bolts 401 are arranged on both sides of the protective cover 4, and the hand-tightening bolts 401 are connected with the second screw holes 303. The protective cover 4 is made of transparent material.

[0047] Furthermore, as Figure 2 shown in the figure, a handle 402 is fixedly installed on the side surface of the protective cover 4. When holding the handle 402 and pushing the protective cover 4, the whole can be pushed to move. The protective cover 4 can be disassembled and covered on the top of the storage tank 101. At this time, through the protective cover 4, components such as the conveying pump 105, the reduction motor 202, and the nozzle body 103 can be protected during the transfer process when the whole is in a non-use state.

[0048] The using process of the high-cold tunnel concrete spraying device provided by the present utility model is as follows:

[0049] Refer toFigure 1 , concrete is added into the storage tank 101 through the feeding port 104. Then, the reduction motor 202 drives the support frame 203 to rotate through the transmission shaft 201, so that the nozzle body 103 is erected. The transfer pump 105 can transport the concrete to the nozzle body 103 through the feeding pipe and the transfer hose 102, and finally the concrete is sprayed out by the nozzle body 103. During the process of spraying concrete by the nozzle body 103, the support frame 203 drives the nozzle body 103 to rotate to adjust the spraying position of the concrete;

[0050] After use, clean all components. Rotate the support frame 203 to the horizontal position, unscrew the hand-tightening bolt 401 so that the hand-tightening bolt 401 is separated from the second screw hole 303, cover the protective cover 4 on the top of the storage tank 101, and screw the hand-tightening bolt 401 together with the first screw hole 301, that is, as Figure 4 shown. At this time, the protective cover 4 can protect components such as the transfer pump 105, the reduction motor 202, and the nozzle body 103 during the transportation process in the overall non-use state.

[0051] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0052] Obviously, the above-described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. The drawings show the preferred embodiments of the present utility model, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements on some of the technical features. Any equivalent structure made by using the specification and drawings of the present utility model and directly or indirectly applied in other related technical fields shall be within the scope of the patent protection of the present utility model by the same token.

Claims

1. A concrete spraying device for alpine tunnels, characterized in that, It includes a storage bin (101). A support base (2) is fixedly connected to the top of the storage bin (101). A driving part is arranged on the support base (2). The driving part is connected to a support frame (203). The support frame (203) is connected to a spray head body (103). A conveying part is arranged between the spray head body (103) and the storage bin (101).

2. The concrete spraying device for alpine tunnels according to claim 1, wherein The driving part includes a reduction motor (202) installed on the top of the storage bin (101). The output shaft of the reduction motor (202) is fixedly connected to a transmission shaft (201). One end of the transmission shaft (201) passes through the support base (2) and is fixedly connected to the support frame (203). A bearing is arranged between the outer surface of the transmission shaft (201) and the support base (2).

3. The concrete spraying device for alpine tunnels according to claim 2, characterized in that, The conveying part includes a transfer pump (105) installed on the top of the storage bin (101). The input end of the transfer pump (105) is connected to a feed pipe. The feed pipe penetrates into the storage bin (101). A delivery hose (102) is connected between the output end of the transfer pump (105) and the spray head body (103).

4. The concrete spraying device for alpine tunnels according to claim 1, characterized in that, A feeding port (104) is formed in the top of the storage bin (101). The feeding port (104) is used for feeding materials into the storage bin (101).

5. The concrete spraying device for alpine tunnels according to claim 4, wherein, A vehicle body (1) is installed at the bottom of the storage bin (101).

6. The concrete spraying device for alpine tunnels according to claim 5, characterized in that, Two first limit plates (3) are fixedly connected to both sides of the top of the storage bin (101). A plurality of first screw holes (301) are formed in both of the two first limit plates (3).

7. The concrete spraying device for alpine tunnels according to claim 6, characterized in that, A second limit plate (302) is fixedly installed on one side of the vehicle body (1). A plurality of second screw holes (303) are formed on both sides of the second limit plate (302).

8. A concrete spraying device for alpine tunnels according to claim 7, characterized in that, A gap is left between the bottom of the second limit plate (302) and the top of the vehicle body (1).

9. The concrete spraying device for alpine tunnels according to claim 8, characterized in that, A protective cover (4) is sleeved on the outer surface of the second limit plate (302). A plurality of hand-tightening bolts (401) are arranged on both sides of the protective cover (4). The hand-tightening bolts (401) are connected to the second screw holes (303).

10. The concrete spraying device for alpine tunnels according to claim 9, characterized in that, A handle (402) is fixedly installed on the side surface of the protective cover (4).

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