Dust falling device for road, bridge and tunnel construction

Abstract

The utility model discloses a dust falling device for road, bridge and tunnel construction, which comprises a cart, a dust falling mechanism is arranged on the cart, the dust falling mechanism comprises a water storage tank, a water pump, a water outlet pipe, a spray head and a water conveying pipe, and a flow control mechanism is arranged on the water conveying pipe. The flow control mechanism comprises a push handle, a connecting pipe, a flow control sleeve, inclined sliding rods, inclined sliding blocks, a flow baffle and an adjusting mechanism, the push handle is installed on the cart, the connecting pipe is arranged on the water conveying pipe, the flow control sleeve is installed on the connecting pipe, the multiple sets of inclined sliding rods are installed in the flow control sleeve, the inclined sliding blocks are installed on the multiple sets of inclined sliding rods in a sliding mode, and the flow baffle is installed on the inclined sliding blocks. The flow baffles are installed on the multiple sets of inclined sliding blocks, so that the technical problem that in the background technology, progressive adjustment and accurate control of water flow cannot be achieved is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road bridge and tunnel construction technical field more specifically, it relates to a road bridge and tunnel construction is with dust falling device. BACKGROUND

[0002] In the road bridge and tunnel construction process, due to the dynamic change of construction environment and dust concentration, the spray water flow of dust falling device needs to be adjusted in real time, but the existing dust falling device often adopts simple on-off valve structure, cannot accurately control the water flow size according to the dust falling demand of different construction stages, leads to the dust falling effect is not ideal, when the dust concentration is higher, the fixed small water flow is difficult to effectively inhibit the dust diffusion, and when the dust concentration is lower, the excessive water flow will cause water resource waste, even affect the operation environment of construction site,

[0003] In some special construction environment, such as tunnel excavation, bridge cutting and other operations, often need to adjust the dust falling intensity according to the construction progress and environmental conditions in time, but the flow regulation mechanism of the existing device is complicated to operate, and the regulation precision is low, cannot realize the progressive regulation and accurate control of water flow, and the user is difficult to quickly adjust the spray parameters according to the actual demand, which not only reduces the dust falling efficiency, but also increases the management difficulty of construction site, affects the construction progress and environmental protection effect. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a dust falling device for road bridge and tunnel construction to solve the technical problem that the progressive regulation and accurate control of water flow cannot be realized in the background art.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a dust falling device for road bridge and tunnel construction, including a cart, the dust falling mechanism is arranged on the cart, the dust falling mechanism includes a water storage tank, a water pump, a water outlet pipe, a spray head and a water delivery pipe, the water storage tank is installed on the cart, the water pump is installed on the cart, the water outlet pipe is installed on the water pump, the spray head is installed at the top end of the water outlet pipe, the water delivery pipe is connected with the water storage tank and the water pump, the water delivery pipe is provided with a flow control mechanism, the flow control mechanism includes a push handle, a connecting pipe, a flow control sleeve, an inclined slide rod, an inclined slide block, a flow baffle and an adjusting mechanism, the push handle is installed on the cart, the connecting pipe is arranged on the water delivery pipe, the flow control sleeve is installed on the connecting pipe, the inclined slide rod is provided with a plurality of groups installed in the flow control sleeve, the inclined slide block is slidably installed on the plurality of inclined slide rods, and the flow baffle is installed on the plurality of inclined slide blocks.

[0008] The utility model further sets up, the adjusting mechanism includes adjusting cover, connecting sleeve, screw rod, thread sleeve and push cover, adjusting cover rotation is installed on the flow control cover and is connected with the connecting pipe rotation, the connecting sleeve is installed in the adjusting cover inner wall, the screw rod is installed in the connecting sleeve bottom surface, the thread sleeve is installed in the screw rod outer wall, the push cover is installed in the thread sleeve outside.

[0009] The utility model further sets up, install fixed clamp on the push handle, the fixed clamp is provided with two groups, the connecting pipe is clamped on the fixed clamp, double point clamping not only provides stable pipeline support, realizes quick dismounting function, reduces the security hidden danger that pipeline vibration brought simultaneously.

[0010] The utility model further sets up, install support on the trolley, the spray head is installed on the support, this structure ensures the installation height and the stable spraying angle of spray head, improves the dust falling effect, strengthens the stability of overall structure simultaneously.

[0011] The utility model further sets up, a plurality of inclined slide rod outer walls are equipped with slide strip, the slide strip is connected with inclined sliding block slidingly, and the slide strip guide mechanism ensures the stability and accuracy of sliding block movement, reduces friction wear, prolongs the service life.

[0012] The utility model further sets up, the flow control cover is equipped with the limiting rod, the limiting rod is provided with a plurality of and is connected with push cover slidingly, and a plurality of limits ensure the accuracy of push cover movement, prevent the deviation in movement process, improve the adjustment accuracy.

[0013] The utility model further sets up, the water delivery pipe and outlet pipe are all set up as flexible pipe, and the application of flexible pipe improves the flexibility of system, is convenient for adjusting the angle of use, reduces the stress concentration problem that rigid connection brings simultaneously.

[0014] The utility model further sets up, the adjusting cover outer wall is equipped with antiskid line, the antiskid line is provided with a plurality of distribution adjusting cover outer wall, and the design of antiskid line enhances the operation holding feeling, improves the adjustment accuracy, prevents the skidding phenomenon in operation process.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a dust falling device for road bridge tunnel construction, has the following beneficial effects:

[0017] 1、The dust falling mechanism establishes a stable water supply foundation through the fixed installation of the water storage tank and the water pump, the water delivery pipe and the water outlet pipe adopt hose design to improve the flexibility of the system, the spray head is installed on the support to ensure the adjustable spraying height, the fixed clamp on the push handle clamps and fixes the connecting pipe to ensure the stability of the pipeline, and the overall structure forms a high-efficiency and stable water supply dust falling system, thereby improving the dust falling efficiency.

[0018] 2、The flow control mechanism adopts the combined design of the connecting pipe and the flow control sleeve, precise motion guidance is provided through the cooperation of multiple groups of inclined sliding rods and inclined sliding blocks, the setting of the sliding strip ensures the stability of the sliding block movement, the connection of the flow baffle and the inclined sliding block realizes precise control of the water flow, the whole mechanism not only improves the adjustment accuracy, but also realizes gradual adjustment of the flow, so that the operation is more convenient and reliable.

[0019] 3、The adjusting mechanism is rotatably connected with the connecting pipe through the adjusting sleeve, the cooperation of the connecting sleeve and the screw rod converts the rotary motion into linear motion, the design of the threaded sleeve and the push sleeve realizes precise displacement control, the setting of the limiting rod ensures the accuracy of the motion guidance, the anti-slip pattern on the outer wall of the adjusting sleeve enhances the operation holding feeling, the whole system not only ensures the accuracy of the adjustment, but also improves the convenience of the operation, through these improvements, the adjusting accuracy, operation convenience and use effect of the dust falling device are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of a dust falling device for road, bridge and tunnel construction in the utility model.

[0021] Figure 2 It is a structure schematic view of a dust falling mechanism in the utility model.

[0022] Figure 3 It is an installation structure schematic view of a connecting pipe in the utility model.

[0023] Figure 4 It is a sectional structure schematic view of a flow control sleeve in the utility model.

[0024] Figure 5 It is a structure schematic view of a push sleeve and an inclined sliding block in the utility model.

[0025] In the drawing: 1, trolley; 2, water storage tank; 3, water pump; 4, water outlet pipe; 5, spray head; 6, water delivery pipe; 7, push handle; 8, connecting pipe; 9, flow control sleeve; 10, inclined sliding rod; 11, inclined sliding block; 12, flow baffle; 13, adjusting sleeve; 14, connecting sleeve; 15, screw rod; 16, threaded sleeve; 17, push sleeve; 18, fixed clamp; 19, support; 20, sliding strip; 21, limiting rod; 22, anti-slip pattern. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5 A dust falling device for road bridge and tunnel construction, comprising a cart 1, a dust falling mechanism is arranged on the cart 1, the dust falling mechanism comprises a water storage tank 2, a water pump 3, a water outlet pipe 4, a spray head 5 and a water delivery pipe 6, the water storage tank 2 is installed on the cart 1, the water pump 3 is installed on the cart 1, the water outlet pipe 4 is installed on the water pump 3, the spray head 5 is installed on the top end of the water outlet pipe 4, the water delivery pipe 6 is connected with the water storage tank 2 and the water pump 3, a flow control mechanism is arranged on the water delivery pipe 6, the flow control mechanism comprises a push handle 7, a connecting pipe 8, a flow control sleeve 9, a slanted slide rod 10, a slanted slide block 11, a flow blocking plate 12 and an adjusting mechanism, the push handle 7 is installed on the cart 1, the connecting pipe 8 is arranged on the water delivery pipe 6, the flow control sleeve 9 is installed on the connecting pipe 8, the slanted slide rod 10 is arranged in multiple groups and installed in the flow control sleeve 9, the slanted slide block 11 is slidingly installed on the multiple groups of slanted slide rods 10, and the flow blocking plate 12 is installed on the multiple groups of slanted slide blocks 11.

[0030] The push handle 7 is provided with a fixing clamp 18, the fixing clamp 18 is provided in two groups, and the connecting pipe 8 is clamped on the fixing clamp 18. By arranging two groups of fixing clamps 18 on the push handle 7, the connecting pipe 8 is fixed at a predetermined position by clamping force, thereby forming a firm support point.

[0031] The cart 1 is provided with a support 19, and the spray head 5 is installed on the support 19. The support 19 is used as a connecting bridge to fixedly install the spray head 5 on the cart 1, thereby forming a stable height support structure.

[0032] Sliding strips 20 are arranged on the outer walls of the multiple groups of slanted slide rods 10, and the sliding strips 20 are slidingly connected with the slanted slide blocks 11. The sliding strips 20 are arranged on the outer walls of the slanted slide rods 10 to form a sliding pair with the slanted slide blocks 11, thereby constructing an accurate motion guide system.

[0033] The flow control sleeve 9 is provided with a limiting rod 21, and the limiting rod 21 is provided with multiple groups and is in sliding connection with the push sleeve 17. Multiple groups of limiting rods 21 are arranged in the flow control sleeve 9 and are in sliding cooperation with the push sleeve 17 to form a multi-point limiting and guiding structure.

[0034] The water delivery pipe 6 and the water outlet pipe 4 are both provided as hoses, and the water delivery pipe 6 and the water outlet pipe 4 are made of hose materials to form a flexible connection structure.

[0035] In the embodiment, the water storage tank 2 is installed on the trolley 1 to store water source, and is connected with the water pump 3 through the water delivery pipe 6 to form a water supply passage. After the water pump 3 is started, the water in the water storage tank 2 is pumped out and pressurized. The pressurized water is delivered to the spray head 5 at the top through the water outlet pipe 4. The spray head 5 is installed on the support 19 to ensure the spraying height. Since the water delivery pipe 6 and the water outlet pipe 4 are both designed as hoses, the flexibility of the system is improved. The two groups of fixed clamps 18 on the push handle 7 clamp the connecting pipe 8 to ensure the stability of the pipeline. The entire system forms a complete water supply and dust reduction circuit. The connecting pipe 8 is arranged on the water delivery pipe 6 to form a control node. The flow control sleeve 9 is installed on the connecting pipe 8 to provide an operation space. Multiple groups of inclined sliding rods 10 are installed in the flow control sleeve 9, and sliding strips 20 are arranged on the outer wall thereof. The inclined sliding blocks 11 can slide on the inclined sliding rods 10 along the sliding strips 20. The flow baffles 12 are installed on the multiple groups of inclined sliding blocks 11. When it is necessary to adjust the water flow, the sliding of the multiple groups of inclined sliding blocks 11 on the inclined sliding rods 10 is controlled through the adjusting mechanism to drive the flow baffles 12 to move, the flow range between the multiple groups of flow baffles 12 is changed, the water area is changed, the flow control is realized, and the stability and accuracy of the movement of the inclined sliding blocks 11 are ensured through the design of the sliding strips 20.

[0036] Please refer to Figures 4-5 , as an embodiment of the adjusting mechanism: the adjusting mechanism comprises an adjusting sleeve 13, a connecting sleeve 14, a screw rod 15, a threaded sleeve 16 and a push sleeve 17. The adjusting sleeve 13 is rotationally installed on the flow control sleeve 9 and is in rotational connection with the connecting pipe 8. The connecting sleeve 14 is installed on the inner wall of the adjusting sleeve 13. The screw rod 15 is installed on the bottom surface of the connecting sleeve 14. The threaded sleeve 16 is threadedly connected to the outer wall of the screw rod 15. The push sleeve 17 is installed on the outer side of the threaded sleeve 16.

[0037] The outer wall of the adjusting sleeve 13 is provided with anti-slip lines 22, and the anti-slip lines 22 are provided with multiple groups distributed on the outer wall of the adjusting sleeve 13. Multiple groups of anti-slip lines 22 are arranged on the outer wall of the adjusting sleeve 13 to form an anti-slip gripping surface.

[0038] More specifically, the adjusting sleeve 13 is rotatably installed on the flow control sleeve 9 and rotatably connected with the connecting pipe 8, the outer wall of the adjusting sleeve 13 is provided with a plurality of anti-skid lines 22 to improve the operation convenience, the connecting sleeve 14 is installed on the inner wall of the adjusting sleeve 13, the screw rod 15 is installed on the bottom surface of the connecting sleeve 14, the threaded sleeve 16 is threadedly connected with the screw rod 15, the pushing sleeve 17 is installed on the outer side of the threaded sleeve 16, a plurality of limiting rods 21 arranged in the flow control sleeve 9 are slidably connected with the pushing sleeve 17 to ensure the movement guidance, when the adjusting sleeve 13 is rotated, the rotation movement is converted into the linear movement of the pushing sleeve 17 through the cooperation of the screw rod 15 and the threaded sleeve 16, and the plurality of inclined sliding blocks 11 are pushed to slide along the inclined sliding rods 10 through the pushing sleeve 17, so that the accurate flow regulation is realized.

[0039] In summary, when the whole device is in use or operation: the water storage tank 2 is installed on the trolley 1 to store water source, a water supply passage is formed through the water pump 3 connected with the water delivery pipe 6, the water pump 3 is started to pump out and pressurize the water in the water storage tank 2, the pressurized water is delivered to the spray head 5 at the top through the water outlet pipe 4, and the spray head 5 is installed on the support 19 to ensure the spraying height. Since the water delivery pipe 6 and the water outlet pipe 4 are designed as hoses, the flexibility of the system is improved, the two groups of fixing clamps 18 on the push handle 7 clamp the connecting pipe 8 to ensure the stability of the pipe, the whole system forms a complete water supply and dust reduction circuit, the connecting pipe 8 is arranged on the water delivery pipe 6 to form a control node, the flow control sleeve 9 is installed on the connecting pipe 8 to provide an operation space, a plurality of inclined sliding rods 10 are installed in the flow control sleeve 9 and are provided with sliding strips 20 on the outer walls thereof, the inclined sliding blocks 11 can slide on the inclined sliding rods 10 along the sliding strips 20, and the flow baffles 12 are installed on the plurality of inclined sliding blocks 11. When the water flow needs to be adjusted, the sliding of the plurality of inclined sliding blocks 11 on the inclined sliding rods 10 is controlled through the adjusting mechanism to drive the flow baffles 12 to move, the flow range between the plurality of flow baffles 12 is changed, the water passage area is changed, the flow control is realized, and the design of the sliding strips 20 ensures the stability and accuracy of the movement of the inclined sliding blocks 11.

[0040] The adjusting sleeve 13 is rotatably installed on the flow control sleeve 9 and rotatably connected with the connecting pipe 8, the outer wall of the adjusting sleeve 13 is provided with a plurality of anti-skid lines 22 to improve the operation convenience, the connecting sleeve 14 is installed on the inner wall of the adjusting sleeve 13, the screw rod 15 is installed on the bottom surface of the connecting sleeve 14, the threaded sleeve 16 is threadedly connected with the screw rod 15, the pushing sleeve 17 is installed on the outer side of the threaded sleeve 16, a plurality of limiting rods 21 arranged in the flow control sleeve 9 are slidably connected with the pushing sleeve 17 to ensure the movement guidance, when the adjusting sleeve 13 is rotated, the rotation movement is converted into the linear movement of the pushing sleeve 17 through the cooperation of the screw rod 15 and the threaded sleeve 16, and the plurality of inclined sliding blocks 11 are pushed to slide along the inclined sliding rods 10 through the pushing sleeve 17, so that the accurate flow regulation is realized.

[0041] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dust falling device for road, bridge and tunnel construction, comprising a trolley (1), characterized in that: The dust falling mechanism is arranged on the cart (1), and comprises a water storage tank (2), a water pump (3), a water outlet pipe (4), a spray head (5) and a water delivery pipe (6), the water storage tank (2) is installed on the cart (1), the water pump (3) is installed on the cart (1), the water outlet pipe (4) is installed on the water pump (3), the spray head (5) is installed at the top end of the water outlet pipe (4), the water delivery pipe (6) is connected with the water storage tank (2) and the water pump (3), a flow control mechanism is arranged on the water delivery pipe (6), the flow control mechanism comprises a push handle (7), a connecting pipe (8), a flow control sleeve (9), an inclined sliding rod (10), an inclined sliding block (11), a flow blocking plate (12) and an adjusting mechanism, the push handle (7) is installed on the cart (1), the connecting pipe (8) is arranged on the water delivery pipe (6), the flow control sleeve (9) is installed on the connecting pipe (8), the inclined sliding rod (10) is arranged in multiple groups in the flow control sleeve (9), the inclined sliding block (11) is slidingly installed on the multiple groups of inclined sliding rods (10), and the flow blocking plate (12) is installed on the multiple groups of inclined sliding blocks (11).

2. The dust falling device for road and bridge construction according to claim 1, characterized in that: The adjusting mechanism comprises an adjusting sleeve (13), a connecting sleeve (14), a screw rod (15), a threaded sleeve (16) and a push sleeve (17), the adjusting sleeve (13) is rotatably installed on the flow control sleeve (9) and rotatably connected with the connecting pipe (8), the connecting sleeve (14) is installed on the inner wall of the adjusting sleeve (13), the screw rod (15) is installed on the bottom surface of the connecting sleeve (14), the threaded sleeve (16) is threadedly connected and installed on the outer wall of the screw rod (15), and the push sleeve (17) is installed on the outer side of the threaded sleeve (16).

3. The dust falling device for road and bridge construction according to claim 2, characterized in that: A fixing clamp (18) is arranged on the push handle (7), the fixing clamp (18) is arranged in two groups, and the connecting pipe (8) is clamped on the fixing clamp (18).

4. The dust falling device for road, bridge and tunnel construction according to claim 3, characterized in that: A support (19) is arranged on the cart (1), and the spray head (5) is installed on the support (19).

5. The dust falling device for road and bridge construction according to claim 4, characterized in that the plurality of groups Sliding strips (20) are arranged on the outer walls of the inclined sliding rods (10), and the sliding strips (20) are slidingly connected with the inclined sliding blocks (11).

6. The dust falling device for road and bridge construction according to claim 5, characterized in that: Limit rods (21) are arranged in the flow control sleeve (9), the limit rods (21) are arranged in multiple groups and are slidingly connected with the push sleeve (17).

7. The dust falling device for road and bridge construction according to claim 6, characterized in that: The water delivery pipe (6) and the water outlet pipe (4) are both arranged as flexible pipes.

8. The dust falling device for road and bridge construction according to claim 7, characterized in that: Anti-skid lines (22) are arranged on the outer wall of the adjusting sleeve (13), and the anti-skid lines (22) are arranged in multiple groups and distributed on the outer wall of the adjusting sleeve (13).

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