Attached water mist dust falling device for tunnel construction

Abstract

The utility model relates to the technical field of tunnel construction, in particular to an attached water mist dust falling device for tunnel construction, which comprises a tunnel body, a connecting piece is arranged on the inner wall of the tunnel body, a telescopic component is mounted at the bottom of the connecting piece, and the telescopic component comprises a support shell. A supporting piece is arranged on the left side wall of the supporting shell, a servo motor is installed on the end face of the supporting piece, a rotating shaft is arranged at the driving end of the servo motor and located in an inner cavity of the supporting shell, a main bevel gear is installed on the outer wall of the rotating shaft, and a partition plate is arranged in the inner cavity of the supporting shell. A through hole is formed in the partition plate, the partition plate is rotationally connected with a polished rod through the through hole, an auxiliary bevel gear is installed at the upper end of the polished rod, and the telescopic assembly is arranged in the water mist dust falling device, so that the problem that the distance between the device and the ground cannot be adjusted according to the heights of different tunnels is solved; and the water mist dust falling device has a better dust falling effect.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to an attached water mist dust suppression device for tunnel construction. Background Art

[0002] Tunnel construction is the abbreviation of the new Austrian tunnel construction method. It is a reasonable construction method proposed by Austrian scholars from the perspective of rock mechanics in their long-term practice of tunnel construction. It is a new engineering construction method formed by a system consisting of spray anchor technology, monitoring and measurement, etc. and rock mechanics theory. A large amount of dust will be generated at the tunnel construction site. Due to the poor ventilation conditions in the tunnel, the dust is difficult to remove, which seriously harms the health of the construction workers. Therefore, a dust reduction device is needed to reduce the dust inside the tunnel. The existing water mist dust reduction device cannot adjust the distance between itself and the ground according to the height of different tunnels. The tunnel height is too high and the dust reduction effect is poor. Therefore, an attached water mist dust reduction device for tunnel construction is needed to improve the above problems. Utility Model Content

[0003] The utility model aims to provide an attached water mist dust suppression device for tunnel construction to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A water mist dust suppression device for attached tunnel construction comprises a tunnel body, a connecting piece is arranged on the inner wall of the tunnel body, a telescopic assembly is installed at the bottom of the connecting piece, the telescopic assembly comprises a supporting shell, a supporting piece is arranged on the left side wall of the supporting shell, a servo motor is installed on the end face of the supporting piece, a rotating shaft is arranged at the driving end of the servo motor and located in the inner cavity of the supporting shell, a main bevel gear is installed on the outer wall of the rotating shaft, a partition is arranged in the inner cavity of the supporting shell, a through hole is opened on the partition, a light rod is rotatably connected to the partition through the through hole, a secondary bevel gear is installed on the upper end of the light rod, a lead screw is arranged on the lower end of the light rod, and the lead screw is connected to the telescopic column through a thread.

[0006] As a preferred solution of the utility model, the end surface of the supporting shell is connected to the bottom of the connecting member, and the other end of the rotating shaft is rotatably connected to the supporting shell through a connecting hole.

[0007] As a preferred solution of the utility model, a first limiting strip is provided on the left and right side walls of the telescopic column, and a second limiting strip is provided in the inner cavity of the support shell and on the left and right side walls.

[0008] As a preferred solution of the utility model, the telescopic column is connected to the supporting shell in a sliding connection, and the main bevel gear and the auxiliary bevel gear are connected in a meshing connection.

[0009] As a preferred solution of the utility model, a mounting piece is provided at the bottom of the telescopic column, and a water pipe is provided inside the mounting piece.

[0010] As a preferred solution of the utility model, the water outlet end of the water delivery pipe is connected to a spray head via a connector, and a lighting panel is installed at the bottom of the mounting member.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, a telescopic component is provided in an attached water mist dust reduction device for tunnel construction, the servo motor in the component rotates forward and reversely to move the rotating shaft, the main bevel gear is meshed and connected to rotate the secondary bevel gear, and the light rod moves up and down with the telescopic column through the lead screw, so that the distance between the spray head and the ground is adjusted to a position with a better dust reduction effect. By providing the telescopic component in the water mist dust reduction device, the problem that the device cannot adjust the distance between itself and the ground according to the height of different tunnels is solved, so that the dust reduction effect of the water mist dust reduction device is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the telescopic assembly structure of the utility model;

[0015] Figure 3 It is a partial structural schematic diagram of the utility model;

[0016] Figure 4 It is a schematic diagram of the cutaway structure of the utility model.

[0017] In the figure: 1. Tunnel body; 2. Connecting piece; 3. Telescopic assembly; 301. Support shell; 302. Support piece; 303. Servo motor; 304. Rotating shaft; 305. Main bevel gear; 306. Partition; 307. Through hole; 308. Light rod; 309. Secondary bevel gear; 310. Screw rod; 311. Telescopic column; 4. Mounting piece; 5. Water pipe; 6. Spray head; 7. Lighting panel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0022] Example: See Figure 1-4The attached water mist dust suppression device for tunnel construction shown in the figure comprises a tunnel body 1, a connecting member 2 is arranged on the inner wall of the tunnel body 1, a telescopic assembly 3 is installed at the bottom of the connecting member 2, the telescopic assembly 3 comprises a supporting shell 301, a supporting member 302 is arranged on the left side wall of the supporting shell 301, a servo motor 303 is installed on the end face of the supporting member 302, a rotating shaft 304 is arranged at the driving end of the servo motor 303 and is located in the inner cavity of the supporting shell 301, a main bevel gear 305 is installed on the outer wall of the rotating shaft 304, a partition 306 is arranged in the inner cavity of the supporting shell 301, a through hole 307 is opened on the partition 306, and the partition 306 is rotatably connected to the through hole 307 The light rod 308 has a secondary bevel gear 309 installed on its upper end, and a screw rod 310 is arranged on its lower end, and the screw rod 310 is connected to a telescopic column 311 through a threaded connection. The servo motor 303 in the assembly is used to rotate forward and reversely to drive the rotating shaft 304 to move, and the main bevel gear 305 is meshed and connected to drive the secondary bevel gear 309 to rotate. The light rod 308 moves up and down with the telescopic column 311 through the screw rod 310, and the distance between the spray head 6 and the ground is adjusted to a position with a better dust reduction effect. By arranging the telescopic component 3 in the water mist dust reduction device, the problem that the device cannot adjust the distance between itself and the ground according to the height of different tunnels is solved, so that the dust reduction effect of the water mist dust reduction device is better.

[0023] In this embodiment, refer to Figure 1 , 2 As shown in Figure 4, the end face of the supporting shell 301 is connected to the bottom of the connecting member 2, and the other end of the rotating shaft 304 is rotatably connected to the supporting shell 301 through a connecting hole; a first limiting strip is provided on the left and right side walls of the telescopic column 311, and a second limiting strip is provided in the inner cavity of the supporting shell 301 and located on the left and right side walls; the first limiting strip is provided on the left and right side walls of the telescopic column 311, and the second limiting strip is provided in the inner cavity of the supporting shell 301 and located on the left and right side walls. When the telescopic column 311 moves to the lower end of the supporting shell 301, the first limiting strip and the second limiting strip are connected together, so that the movement range of the telescopic column 311 reaches a peak value, which limits the telescopic column 311 and prevents it from detaching from the supporting shell 301, resulting in the problem that the telescopic component 3 cannot operate;

[0024] In this embodiment, refer to Figure 1-4As shown, the telescopic column 311 is connected to the supporting shell 301 in a sliding manner, and the main bevel gear 305 and the auxiliary bevel gear 309 are connected in a meshing manner; a mounting member 4 is provided at the bottom of the telescopic column 311, and a water pipe 5 is provided inside the mounting member 4; the water outlet end of the water pipe 5 is connected to a spray head 6 through a connector, and a lighting panel 7 is installed at the bottom of the mounting member 4; a lighting panel 7 is installed through the bottom of the mounting member 4. Since the internal space of the tunnel is narrow and long, and the visibility inside the tunnel is poor due to construction dust, the lighting conditions inside the tunnel can be improved by installing the lighting panel 7, which is convenient for construction work, thereby making the use effect of the device better.

[0025] Working principle: When the attached water mist dust suppression device for tunnel construction is in use, according to the height of the construction tunnel, the staff starts the servo motor 303 to rotate forward and reversely, the servo motor 303 drives the rotating shaft 304 to move, the rotating shaft 304 drives the main bevel gear 305 to rotate, the main bevel gear 305 drives the secondary bevel gear 309 to rotate through meshing connection, the secondary bevel gear 309 drives the light rod 308 to rotate on the partition 306, the light rod 308 drives the screw rod 310 to rotate, the screw rod 310 drives the telescopic column 311 to move up and down in the inner cavity of the supporting shell 301, the telescopic column 311 drives the mounting part 4 to move up and down, the mounting part 4 drives the spray head 6 to move up and down through the water pipe 5, the staff controls the servo motor 303 to adjust the distance between the spray head 6 and the ground to a position with better dust suppression effect, stops the servo motor 303, and solves the problem that the device cannot adjust the distance between itself and the ground according to the height of different tunnels by arranging the telescopic component 3 in the water mist dust suppression device, so that the dust suppression effect of the water mist dust suppression device is better.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An attached water mist dust suppression device for tunnel construction, comprising a tunnel body (1), characterized in that: A connecting piece (2) is provided on the inner wall of the tunnel body (1), and a telescopic component (3) is installed at the bottom of the connecting piece (2); The telescopic assembly (3) comprises a supporting shell (301), a supporting member (302) is arranged on the left side wall of the supporting shell (301), a servo motor (303) is mounted on the end surface of the supporting member (302), a rotating shaft (304) is arranged at the driving end of the servo motor (303) and is located in the inner cavity of the supporting shell (301), a main bevel gear (305) is mounted on the outer wall of the rotating shaft (304), a partition (306) is arranged in the inner cavity of the supporting shell (301), a through hole (307) is opened on the partition (306), a light rod (308) is rotatably connected to the partition (306) through the through hole (307), a secondary bevel gear (309) is mounted on the upper end of the light rod (308), a screw rod (310) is arranged at the lower end of the light rod (308), and the screw rod (310) is connected to the telescopic column (311) through a thread.

2. The water mist dust suppression device for attached tunnel construction according to claim 1, characterized in that: The end surface of the supporting shell (301) is connected to the bottom of the connecting member (2), and the other end of the rotating shaft (304) is rotatably connected to the supporting shell (301) via a connecting hole.

3. The water mist dust suppression device for attached tunnel construction according to claim 1, characterized in that: A first limiting strip is provided on the left and right side walls of the telescopic column (311), and a second limiting strip is provided in the inner cavity of the supporting shell (301) and on the left and right side walls.

4. The water mist dust suppression device for attached tunnel construction according to claim 1, characterized in that: The telescopic column (311) is connected to the supporting housing (301) in a sliding connection manner, and the main bevel gear (305) and the auxiliary bevel gear (309) are connected in a meshing connection manner.

5. The water mist dust suppression device for attached tunnel construction according to claim 1, characterized in that: A mounting component (4) is provided at the bottom of the telescopic column (311), and a water pipe (5) is provided inside the mounting component (4).

6. The water mist dust suppression device for attached tunnel construction according to claim 5, characterized in that: The water outlet end of the water delivery pipe (5) is connected to a spray head (6) via a connector, and a lighting panel (7) is installed at the bottom of the mounting member (4).

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