Dust falling device for railway construction in tunnel

Abstract

The utility model discloses a dust falling device for railway construction in a tunnel, which comprises a plurality of water storage tanks, the plurality of water storage tanks are connected through connecting pipes, a watering dust falling mechanism is mounted on each water storage tank, and an angle adjusting mechanism is mounted on each water storage tank; the water sprinkling and dust falling mechanism comprises a flexible water outlet pipe and a spray head; the angle adjusting mechanism comprises a driving frame and a moving frame. The tunnel dust removal device has the advantages that the driving frame can drive the spray head to rotate, the moving frame can drive the spray head to move, then the water spraying range can be enlarged, dust in a tunnel can be effectively removed, the water storage tanks are connected through the connecting pipes, the number of the water storage tanks can be increased when the tunnel is excavated step by step, and the tunnel dust removal effect is improved. And the sprinkling range is increased, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of railway construction equipment, and more specifically to a dust reduction device used for railway construction in a tunnel. Background Art

[0002] During railway construction, tunnels need to be dug. Since there is a lot of sand and gravel in the tunnel and ventilation is inconvenient, there is a lot of dust inside. In order to ensure the health of the workers, dust reduction treatment is required.

[0003] In the prior art, when dust is reduced in a tunnel, water is generally transported through pipes by sprinkling water, and then sprayed out through nozzles. However, there are some problems in its use. The spraying range of the nozzle is small, and thus dust can only be reduced in a small part, resulting in poor dust reduction effect.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] The utility model aims to solve the above problems and designs a dust reduction device for railway construction in tunnels.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is a dust suppression device for railway construction in a tunnel, comprising a plurality of water storage tanks, the plurality of water storage tanks are connected by connecting pipes, the water storage tanks are installed at the upper end of the tunnel, the water storage tanks are filled with water by a water pump, a water sprinkling dust suppression mechanism is installed on the water storage tank, and an angle adjustment mechanism is installed on the water storage tank;

[0007] The water sprinkling and dust reduction mechanism comprises a flexible water outlet pipe installed on the water storage tank, and a sprinkler is connected to the water outlet end of the flexible water outlet pipe;

[0008] The angle adjustment mechanism comprises a driving frame installed on the water tank, and the driving frame can drive the nozzle to rotate. A moving frame is installed on the water tank, and the moving frame can drive the nozzle to move.

[0009] Furthermore, the driving frame includes a movable platform located below the water tank, a first guide slide is installed on both sides of the lower end of the water tank, a first guide block is installed on both sides of the upper end of the movable platform, the upper end of the first guide block extends into the first guide slide, a rotating shaft is provided below the movable platform, first rolling bearings are installed at both ends of the rotating shaft, the first rolling bearing is installed on the movable platform through a support rod, the nozzle is installed on the rotating shaft, the movable frame can drive the movable platform to move, a transmission frame is installed on the water tank, and the movable platform can drive the rotating shaft to rotate through the transmission frame when moving.

[0010] Furthermore, the transmission frame includes a self-locking reducer on a moving platform, a first gear is installed at the power output end of the self-locking reducer, a second gear is installed at one end of the rotating shaft, the first gear and the second gear are meshed, a one-way gear is installed at the power input end of the self-locking reducer, a fixed rack is installed on the water tank, and the fixed rack is meshed with the one-way gear.

[0011] Furthermore, a plurality of notches are evenly distributed on the first gear, and there are no teeth at the notches. A third gear is installed on the rotating shaft, and a movable rack is meshed with the third gear. A second guide block is installed at one end of the movable rack, and a second guide slide is installed on the movable platform. One end of the second guide block extends into the second guide slide, and a fixed plate is installed on the movable platform. The fixed plate and the movable rack are connected by a telescopic spring.

[0012] Furthermore, the mobile frame includes a connecting rod located on one side of the water tank, the connecting rod connects adjacent mobile platforms, and a multi-stage electric telescopic rod is installed on the outermost water tank, and the multi-stage electric telescopic rod is connected to the outermost mobile platform.

[0013] The beneficial effects of the utility model are as follows: the nozzle can be driven to rotate by the driving frame, and can be driven to move by the moving frame, thereby expanding the water spraying range, which can effectively reduce dust inside the tunnel, and multiple water tanks are connected by connecting pipes. When the tunnel is gradually excavated, the number of water tanks can be increased, and the water spraying range can be increased, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a dust suppression device used for railway construction in a tunnel according to the utility model;

[0015] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0016] Figure 3 It is a partial bottom view of a dust suppression device used for railway construction in a tunnel according to the utility model;

[0017] Figure 4 This is a schematic diagram of the connection relationship between the first gear and the second gear of the utility model;

[0018] In the figure, 1, water tank; 2, connecting pipe; 3, water pump; 4, flexible water outlet pipe; 5, nozzle; 6, driving frame; 7, moving frame; 8, moving platform; 9, first guide slide; 10, first guide block; 11, rotating shaft; 12, first rolling bearing; 13, supporting rod; 14, transmission frame; 15, self-locking reducer; 16, first gear; 17, second gear; 18, one-way gear; 19, fixed rack; 20, third gear; 21, moving rack; 22, second guide block; 23, second guide slide; 24, fixed plate; 25, telescopic spring; 26, connecting rod; 27, multi-stage electric telescopic rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0021] The utility model provides Figure 1-4 A dust suppression device for railway construction in a tunnel is shown, comprising a plurality of water tanks 1, the plurality of water tanks 1 being connected by a connecting pipe 2, the water tanks 1 being installed at the upper end of the tunnel, the water tanks 1 being filled with water by a water pump 3, a water sprinkling dust suppression mechanism being installed on the water tank 1, and an angle adjustment mechanism being installed on the water tank 1; the water sprinkling dust suppression mechanism comprising a flexible water outlet pipe 4 installed on the water tank 1, a nozzle 5 being connected to the water outlet end of the flexible water outlet pipe 4; the angle adjustment mechanism comprising a driving frame 6 installed on the water tank 1, the driving frame 6 being able to drive the nozzle 5 to rotate, a moving frame 7 being installed on the water tank 1, and the moving frame 7 being able to drive the nozzle 5 to move;

[0022] The process of dust reduction in the tunnel by this device is as follows: water is added to the first water tank 1 through the water pump 3, and water is allowed to be contained in all the water tanks 1 through the connecting pipe 2, and then the water is allowed to pass through the flexible water outlet pipe 4 and the nozzle 5, and the nozzle 5 is driven to move by the moving frame 7, and the water spraying angle of the nozzle 5 is adjusted by the driving frame 6, thereby facilitating the expansion of the water spraying range and ensuring the dust reduction effect.

[0023] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 3 The driving frame 6 includes a moving platform 8 located below the water tank 1, first guide slideways 9 are installed on both sides of the lower end of the water tank 1, first guide blocks 10 are installed on both sides of the upper end of the moving platform 8, and the upper ends of the first guide blocks 10 extend into the first guide slideways 9. A rotating shaft 11 is provided below the moving platform 8, and first rolling bearings 12 are installed at both ends of the rotating shaft 11. The first rolling bearing 12 is installed on the moving platform 8 through a support rod 13, and the nozzle 5 is installed on the rotating shaft 11. The moving frame 7 can drive the moving platform 8 to move, and a transmission frame 14 is installed on the water tank 1. When the moving platform 8 moves, the rotating shaft 11 can be driven to rotate through the transmission frame 14;

[0024] The process of driving the spray head 5 to rotate by the driving frame 6 is as follows: the moving frame 7 can drive the moving platform 8 to move under the water tank 1, the first guide block 10 and the first guide slide 9 can ensure the moving direction of the moving platform 8, and when the moving platform 8 moves, the rotating shaft 11 can be driven to rotate through the transmission frame 14, and the rotating shaft 11 can drive the spray head 5 to rotate, thereby expanding the spraying range.

[0025] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 3 The transmission frame 14 includes a self-locking reducer 15 on the moving platform 8, a first gear 16 is installed at the power output end of the self-locking reducer 15, a second gear 17 is installed at one end of the rotating shaft 11, the first gear 16 and the second gear 17 are meshed, a one-way gear 18 is installed at the power input end of the self-locking reducer 15, a fixed rack 19 is installed on the water tank 1, and the fixed rack 19 is meshed with the one-way gear 18;

[0026] The process of the transmission frame 14 driving the rotating shaft 11 to rotate is as follows: when the moving platform 8 moves, the self-locking reducer 15 and the one-way gear 18 can be driven to move, and the one-way gear 18 and the fixed rack 19 are engaged. When the moving platform 8 moves in the forward direction, the one-way gear 18 and the power input end of the self-locking reducer 15 can be driven to rotate. After deceleration by the self-locking reducer 15, the first gear 16 can be driven to rotate. The first gear 16 and the second gear 17 are engaged, which can drive the second gear 17 and the rotating shaft 11 to rotate, and then the nozzle 5 can be rotated. When the moving platform 8 moves in the reverse direction, the one-way gear 18 and the fixed rack 19 are engaged, so that the one-way gear 18 can be rotated outside the power input end of the self-locking reducer 15, and the self-locking reducer 15 will not drive the first gear 16 to rotate, which can prevent the nozzle 5 from returning to its original position.

[0027] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 , Instruction Manual Figure 3 And the instruction manual Figure 4 A plurality of notches are evenly distributed on the first gear 16, and there are no teeth at the notches. A third gear 20 is installed on the rotating shaft 11, and the third gear 20 is meshed with a moving rack 21. A second guide block 22 is installed at one end of the moving rack 21. A second guide slide 23 is installed on the moving platform 8, and one end of the second guide block 22 extends into the second guide slide 23. A fixed plate 24 is installed on the moving platform 8, and the fixed plate 24 and the moving rack 21 are connected by a telescopic spring 25. When the rotating shaft 11 rotates, the third gear 20 can be rotated, and the third gear 20 and the moving rack 21 are meshed, so that the moving rack 21 can move and compress the telescopic spring 25. The second guide block 22 and the second guide slide 23 can ensure the moving direction of the movable rack 21. The self-locking effect of the self-locking reducer 15 can prevent the first gear 16 from reversing. The first gear 16 and the second gear 17 are engaged, which can prevent the second gear 17, the rotating shaft 11, and the third gear 20 from rotating, and further prevent the telescopic spring 25 from pulling the movable rack 21 back to its original position. When the notch on the first gear 16 rotates to the connection position with the second gear 17, the second gear 17 is not blocked, and the movable rack 21 can be pushed back to its original position under the elastic force of the telescopic spring 25, and the third gear 20, the rotating shaft 11, and the nozzle 5 are rotated back to their original positions.

[0028] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 3 The mobile frame 7 includes a connecting rod 26 located on one side of the water tank 1, and the connecting rod 26 connects the adjacent mobile platforms 8. A multi-stage electric telescopic rod 27 is installed on the outermost water tank 1, and the multi-stage electric telescopic rod 27 is connected to the outermost mobile platform 8. The mobile platform 8 can be driven to move by the extension and contraction of the multi-stage electric telescopic rod 27, and all the mobile platforms 8 can be moved synchronously through the connecting rod 26.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A dust suppression device for railway construction in a tunnel, comprising a plurality of water storage tanks (1), wherein the plurality of water storage tanks (1) are connected via a connecting pipe (2), the water storage tanks (1) are installed at the upper end of the tunnel, and the water storage tanks (1) are filled with water via a water pump (3), characterized in that: The water storage tank (1) is provided with a water sprinkling and dust reduction mechanism, and the water storage tank (1) is provided with an angle adjustment mechanism; The water sprinkling and dust reduction mechanism comprises a flexible water outlet pipe (4) mounted on the water storage tank (1), the water outlet end of the flexible water outlet pipe (4) being connected to a spray head (5); The angle adjustment mechanism comprises a driving frame (6) mounted on the water storage tank (1), the driving frame (6) being capable of driving the spray head (5) to rotate, and a moving frame (7) being mounted on the water storage tank (1), the moving frame (7) being capable of driving the spray head (5) to move.

2. A dust suppression device for railway construction in tunnel according to claim 1, characterized in that: The driving frame (6) comprises a moving platform (8) located below the water tank (1), first guide slideways (9) are installed on both sides of the lower end of the water tank (1), first guide blocks (10) are installed on both sides of the upper end of the moving platform (8), and the upper ends of the first guide blocks (10) extend into the first guide slideways (9). A rotating shaft (11) is provided below the moving platform (8), and first rolling bearings (12) are installed at both ends of the rotating shaft (11). The first rolling bearing (12) is installed on the moving platform (8) through a supporting rod (13). The nozzle (5) is installed on the rotating shaft (11). The moving frame (7) can drive the moving platform (8) to move. A transmission frame (14) is installed on the water tank (1), and the moving platform (8) can drive the rotating shaft (11) to rotate through the transmission frame (14) when moving.

3. A dust suppression device for railway construction in tunnel according to claim 2, characterized in that: The transmission frame (14) comprises a self-locking reducer (15) on a moving platform (8), a first gear (16) being mounted on a power output end of the self-locking reducer (15), a second gear (17) being mounted on one end of the rotating shaft (11), the first gear (16) and the second gear (17) being meshed, a one-way gear (18) being mounted on a power input end of the self-locking reducer (15), a fixed rack (19) being mounted on the water tank (1), the fixed rack (19) being meshed with the one-way gear (18).

4. A dust suppression device for railway construction in tunnel according to claim 3, characterized in that: The first gear (16) is evenly distributed with a plurality of notches, wherein the notches have no teeth. A third gear (20) is mounted on the rotating shaft (11), and the third gear (20) is meshed with a moving rack (21). A second guide block (22) is mounted at one end of the moving rack (21). A second guide slideway (23) is mounted on the moving platform (8), and one end of the second guide block (22) extends into the second guide slideway (23). A fixed plate (24) is mounted on the moving platform (8), and the fixed plate (24) and the moving rack (21) are connected via a telescopic spring (25).

5. A dust suppression device for railway construction in tunnel according to claim 2, characterized in that: The mobile frame (7) comprises a connecting rod (26) located on one side of the water tank (1), the connecting rod (26) connecting adjacent mobile platforms (8), and a multi-stage electric telescopic rod (27) is installed on the outermost water tank (1), and the multi-stage electric telescopic rod (27) is connected to the outermost mobile platform (8).

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