Dust falling device for highway construction

Abstract

The invention relates to the field of atomization dust falling devices, in particular to a dust falling device for highway construction, which comprises a main machine and further comprises a rotary spraying mechanism arranged at the top of the main machine, the rotary spraying mechanism comprises a short pipe, the short pipe is sleeved with a shell in a non-contact manner, and a lower cover plate is fixedly connected between the shell and the bottom end of the short pipe. A limiting ring is sleeved outside the short pipe and located at the top of the shell in a non-contact mode, and an upper cover plate is fixedly connected between the limiting ring and the top of the short pipe. The atomizing nozzles are arranged in a 360-degree rotary spraying mode, the shielding area of the spraying gap is adjusted by adjusting the screw pitch of the elastic baffle, the shielding position of the spraying gap is adjusted by rotating the elastic baffle, and therefore the spraying direction and the spraying range can be adjusted flexibly in a large angle range simply and rapidly, and the spraying effect is improved. The problem that wide-angle atomization dust falling equipment adopting a mode of integrating multiple atomization nozzles is not convenient and flexible to adjust the coverage range of atomization dust falling is solved.

Description

Technical Field

[0001] The invention relates to the field of atomizing dust suppression devices, in particular to a dust suppression device for highway construction. Background Art

[0002] During highway construction, spray dust suppression equipment is generally used on guardrails. Spray dust suppression is a device that separates solid particles from the air by combining atomized droplets with dust in the air and then settling.

[0003] This type of equipment is mainly composed of a water supply tank, a booster pump and atomizing nozzles. The spray range of a single atomizing nozzle is limited, and the diameter of the atomized droplets used for dust reduction is generally large. After combining with the dust, they need to fall quickly to avoid drifting. Therefore, the boundary of the coverage range of the atomizing nozzle used for dust reduction is relatively obvious. In scenarios that exceed the coverage angle range of a single atomizing nozzle, multiple atomizing nozzles are generally used to increase the dust reduction coverage angle range.

[0004] For example, three integrated atomizing nozzles with a spray angle of 120 degrees are used to cover the dust reduction workstation around a circle. Later, due to different construction progresses on the construction site, changes in the construction area, and adjustments to the guardrail position, the original 360-degree all-round dust reduction coverage needs to be adjusted to only carry out atomization dust reduction within a 180-degree range on one side of the guardrail on the construction site. The solution on the market that stacks a number of atomizing nozzles will expose the problem that the adjustment of the atomization dust reduction coverage range is not convenient and flexible enough. Therefore, the present invention proposes a dust reduction device for highway construction that can flexibly adjust the spray direction and the spray angle range. Summary of the invention

[0005] In view of the problem that the wide-angle atomizing dust reduction equipment using multiple integrated atomizing nozzles in the above or prior art has the problem that the atomizing dust reduction coverage range cannot be adjusted conveniently and flexibly, the present invention is proposed.

[0006] Therefore, an object of the present invention is to provide a dust suppression device for highway construction.

[0007] To solve the above technical problems, the present invention provides the following technical solutions: a dust suppression device for highway construction, comprising a main machine and a rotary spraying mechanism arranged on the top of the main machine, the rotary spraying mechanism comprising a short tube, a shell is non-contactly sleeved on the outside of the short tube, and a lower cover is fixedly connected between the shell and the bottom ends of the short tube, a limiting ring is non-contactly sleeved on the outside of the short tube at the top of the shell, an upper cover is fixedly connected between the limiting ring and the top of the short tube, a hole is opened on the peripheral wall of the short tube, and a rotating seat is sealed and rotated on the short tube at the opening position, an atomizing nozzle is arranged on the peripheral wall of the rotating seat along its tangential direction, and the nozzle of the atomizing nozzle is located in the gap between the top of the shell and the bottom of the limiting ring; a spiral belt-shaped spring stop is wound around the outer wall of the shell and the limiting ring, a tooth groove is opened in the outer peripheral wall of the limiting ring in an annular shape, and one end of the spring stop is slidably buckled with the tooth groove, a sliding groove is opened in the outer peripheral wall of the shell in an annular shape, and the other end of the spring stop is slidably buckled with the sliding groove.

[0008] As a preferred solution of the dust suppression device for highway construction of the present invention, the spiral top of the spring stop is arranged in an "L" shape, and the short side of the "L" shape is directed upward and is rotatably connected to a short shaft, one end of the short shaft is provided with a semi-cylindrical block perpendicular to its axis, the block is matched and snapped into a single tooth groove, and a wrench is provided at the end of the short shaft away from the spring stop.

[0009] As a preferred solution of the dust suppression device for highway construction of the present invention, the short shaft is located on the outer side of the spring stop and is rotatably sleeved with pulley one and an externally threaded tube, the pulley one and the externally threaded tube are fixedly connected, the externally threaded tube is arranged on the side of the pulley one located on the wrench, and the outer wall of the externally threaded tube is threadedly connected with pulley two, one side of the pulley two is in contact with the pulley one, and one side of the pulley two is in contact with a spring, the other end of the spring is in contact with the end of the externally threaded tube, and the side of the pulley two away from the pulley one is vertically connected with a lever.

[0010] As a preferred solution of the dust suppression device for highway construction of the present invention, the spiral bottom end of the spring block is arranged in an "L" shape, and the short side of the "L" is downward and fixedly connected to a steel ball roller, and the ball body of the steel ball roller is slidably connected to the slide groove.

[0011] As a preferred embodiment of the dust suppression device for highway construction of the present invention, wherein: a pull wire 1 is fixedly passed through the rod portion of the steel ball roller, and one end of the pull wire 1 is wound around pulley 1, and a pull wire 2 is wound around pulley 2, and the winding directions of the pull wire 1 and the pull wire 2 are opposite, and the other ends of the pull wire 1 and the pull wire 2 are hung down to the main machine.

[0012] As a preferred solution of the dust suppression device for highway construction of the present invention, the number of spiral turns of the spring stop is one turn, and the width of the spring stop is greater than the gap width between the shell and the limiting ring.

[0013] As a preferred solution of the dust suppression device for highway construction of the present invention, the atomizing nozzles are distributed in a circular array about the rotating seat.

[0014] As a preferred solution of the dust suppression device for highway construction of the present invention, the chute is evenly distributed about the axial direction of the shell.

[0015] As a preferred solution of the dust suppression device for highway construction of the present invention, a circular tubular upright pole is vertically fixedly installed on the top of the main machine, and the top of the upright pole is fixedly connected to the bottom surface of the lower cover plate.

[0016] As a preferred solution of the dust suppression device for highway construction of the present invention, wherein: a quick connector is connected to the middle of the bottom surface of the lower cover plate, the quick connector is connected to the water pump hose in the main engine, and the lower cover plate is also connected to a drain pipe, and the drain pipe is connected to the water tank in the main engine.

[0017] The beneficial effects of the dust suppression device for highway construction of the present invention: the present invention arranges the atomizing nozzle in a 360-degree rotary spraying manner, adjusts the shielding area of ​​the spray gap by adjusting the pitch of the spring stop, and adjusts the shielding position of the spray gap by rotating the spring stop, thereby simply and quickly realizing flexible adjustment of the spray direction and range within a larger angle range, solving the problem that the atomizing dust suppression equipment using a plurality of integrated atomizing nozzles has the problem of inconvenient and inflexible adjustment of the atomizing dust suppression coverage range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the dust suppression device for highway construction.

[0020] Figure 2 This is a schematic diagram of the structure of the rotary spraying mechanism of the dust suppression device for highway construction.

[0021] Figure 3 for Figure 2 A magnified view of the structure at center.

[0022] Figure 4 It is a schematic diagram of the assembly structure of the lower shell and the long rod in the rotary spraying mechanism.

[0023] Figure 5 It is a cross-sectional view of the assembly structure of the short tube, lower cover plate and upper cover plate in the rotary spraying mechanism.

[0024] Figure 6 It is the exploded view of the assembly structure of the rotary spraying mechanism.

[0025] Figure 7 This is an enlarged view of the structure where the spring stop is located at one end of the pulley.

[0026] Figure 8 This is an enlarged view of the structure where the spring stop is located at one end of the steel ball roller.

[0027] In the figure: 100, main machine; 101, vertical pole; 102, quick connector; 103, drain pipe; 200, rotary spray mechanism; 201, short pipe; 202, shell; 203, lower cover plate; 204, upper cover plate; 205, limit ring; 206, swivel seat; 207, short shaft; 208, block; 209, pulley 1; 210, external threaded pipe; 211, pulley 2; 212, spring; 213, lever; 214, steel ball roller; 215, pull wire 1; 216, pull wire 2; 217, spring stop; 218, wrench; 202a, slide groove; 205a, tooth groove; 300, atomizing nozzle. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] Example 1, reference Figures 1 to 8 This embodiment provides a dust suppression device for highway construction, which is a simple atomization dust suppression device with manually adjustable spray range, and can flexibly adjust the spray direction and range within a large angle range, such as Figure 1 As shown, it includes a main unit 100, a cylindrical upright pole 101 is vertically fixedly installed on the top of the main unit 100, and the top of the upright pole 101 is fixedly connected to the bottom surface of the lower cover plate 203, as shown in FIG. Figure 4 As shown, the middle of the bottom surface of the lower cover plate 203 is connected with a quick connector 102, which is connected to the water pump hose in the host 100. The lower cover plate 203 is also connected with a drain pipe 103, which is connected to the water tank in the host 100; Figure 2 and Figure 5As shown, a rotary spray mechanism 200 is arranged on the top of the main unit 100, and the rotary spray mechanism 200 includes a short tube 201, a shell 202 is sleeved on the outside of the short tube 201 without contact, and a lower cover plate 203 is fixedly connected between the shell 202 and the bottom end of the short tube 201, a limit ring 205 is sleeved on the outside of the short tube 201 at the top of the shell 202 without contact, and an upper cover plate 204 is fixedly connected between the limit ring 205 and the top of the short tube 201, a hole is opened on the peripheral wall of the short tube 201, and a rotating seat 206 is sealed and rotatably sleeved on the short tube 201 at the opening position, and an atomizing nozzle 300 is arranged on the peripheral wall of the rotating seat 206 along its tangential direction, and the atomizing nozzle 300 is distributed in a ring array with respect to the rotating seat 206, as shown in FIG. Figure 3 As shown, the nozzle of the atomizing nozzle 300 is located in the gap between the top of the housing 202 and the bottom of the limiting ring 205;

[0030] like Figure 3 As shown, a spiral band-shaped spring stop 217 is wound between the outer wall of the shell 202 and the limiting ring 205, the spiral number of the spring stop 217 is one circle, and the width of the spring stop 217 is greater than the gap width between the shell 202 and the limiting ring 205. The outer peripheral wall of the limiting ring 205 is provided with a tooth groove 205a in an annular shape, and one end of the spring stop 217 is slidably engaged with the tooth groove 205a. The outer peripheral wall of the shell 202 is provided with a slide groove 202a in an annular shape, and the slide grooves 202a are evenly distributed with respect to the axial direction of the shell 202. The other end of the spring stop 217 is slidably engaged with a slide groove 202a, as shown in FIG. Figure 7 As shown, the spiral top of the spring stop 217 is set in an "L" shape, and the short side of the "L" shape is upward and rotatably connected to the short shaft 207. One end of the short shaft 207 is perpendicular to its axis and a semi-cylindrical block 208 is provided. The block 208 is matched and buckled in a single tooth groove 205a. The end of the short shaft 207 away from the spring stop 217 is provided with a wrench 218. The short shaft 207 is located on the outside of the spring stop 217 and is rotatably sleeved with a pulley 209 and an external threaded tube 210. The pulley 209 and the external threaded tube 210 are connected to the pulley 209. 9 is fixedly connected to the external threaded tube 210, the external threaded tube 210 is arranged on the side of the pulley 1 209 located at the wrench 218, and the outer wall of the external threaded tube 210 is threadedly connected with the pulley 211, one side of the pulley 211 is in contact with the pulley 1 209, and one side of the pulley 211 is in contact with the spring 212, the other end of the spring 212 is in contact with the end of the external threaded tube 210, and the side of the pulley 211 away from the pulley 1 209 is vertically connected with the lever 213; Figure 8 As shown, the spiral bottom end of the spring stop 217 is set in an "L" shape, and the short side of the "L" is downward and fixedly connected to the steel ball roller 214, and the ball body of the steel ball roller 214 is slidably connected to the slide groove 202a.

[0031] The present invention provides a dust suppression device for highway construction, and in particular provides a rotary spraying mechanism 200, such as Figure 6As shown, the rotary spray mechanism 200 is provided with a plurality of atomizing nozzles 300 arranged tangentially along the circumference, and utilizes the spray reverse thrust to rotate to achieve spray dust reduction coverage for one circle. Of course, Figure 6 The number of atomizing nozzles 300 is only for reference. When the atomization volume requirement is low, one or two of them can be removed and then plugged, so that only a small number of atomizing nozzles 300 are retained in the rotary spraying mechanism 200 for operation.

[0032] The rotary spray mechanism 200 of the present invention provides a function of finely adjusting the spray direction and spray angle range based on the above-mentioned spray working mode, which is mainly realized by the spiral belt-shaped spring block 217. Figure 3 The principle is that the spiral top of the spring block 217 is located at the spray gap between the housing 202 and the limiting ring 205 (hereinafter referred to as the spray gap), and the short axis 207 is used as the position reference point. As long as the bottom end of the spring block 217 is moved to adjust the pitch of the spring block 217, the shielding area of ​​the spray gap by the spring block 217 can be adjusted. That is, after the steel ball roller 214 is dialed into the upper slide groove 202a, the spring block 217 will shrink upward to increase the shielding area of ​​the spray gap, otherwise it will expose more spray gaps, so as to realize the spray angle range adjustment of the rotary spray mechanism 200, so as to achieve the desired effect. Figure 3 For example, the reference adjustment range of the rotary spray mechanism 200 is adjusted between 0 degrees (completely closed) and 350 degrees (maximum opening), and the fineness of the adjustment depends on the distribution density of the chute 202a;

[0033] On the basis of the above functional structure, the spray direction can be adjusted by rotating the spring block 217 as a whole around the spray gap, wherein the positioning of the spring block 217 is achieved by the semi-cylindrical block 208 at the end of the short shaft 207, which is pressed and snapped into the tooth groove 205a under the elastic force of the spring block 217. The rotational sliding resistance of the spring block 217 can be greatly reduced by rotating the block 208 with the wrench 218 so that it can slide out of the tooth groove 205a using the arc-shaped outer wall. The fineness of the adjustment of the spray direction depends on the number of tooth grooves 205a.

[0034] In summary, the present invention arranges the atomizing nozzle 300 in a 360-degree rotary spraying manner, adjusts the shielding area of ​​the spray gap by adjusting the pitch of the spring stop 217, and adjusts the shielding position of the spray gap by rotating the spring stop 217, thereby simply and quickly realizing flexible adjustment of the spray direction and range within a larger angle range, solving the problem that the atomizing dust reduction coverage range is not convenient and flexible enough to be adjusted in the wide-angle atomizing dust reduction equipment using more than 300 integrated atomizing nozzles.

[0035] Embodiment 2, this embodiment provides a wire control operation mode and structure of a rotary spraying mechanism 200, which is used to facilitate the operator to adjust the rotary spraying mechanism 200 when the height of the rotary spraying mechanism 200 is high, such as Figure 3 As shown, a pull wire 215 is fixedly passed through the rod of the steel ball roller 214, and one end of the pull wire 215 is wound around the pulley 209, and a pull wire 216 is wound around the pulley 211, and the winding directions of the pull wire 215 and the pull wire 216 are opposite, and the other ends of the pull wire 215 and the pull wire 216 are hung down to the main machine 100.

[0036] The operation method is that the pull wire 215 and the steel ball roller 214 are relatively fixed. Pulling the pull wire 215 downwards alone can increase the pitch of the spring stop 217, thereby increasing the spray angle range. Pulling the pull wire 216 downwards alone will pull the pull wire 216 out of the pulley 211 and drive the pulley 211 to rotate. At this time, the pulley 211 has a tendency to move away from the pulley 1 209 along the rotation direction of the external threaded tube 210. However, under the pressure of the spring 212, the pulley 211, the pulley 1 209 and the external threaded tube 210 rotate together. Since the winding direction of the pull wire 215 is opposite to that of the pull wire 216, the pulley 1 209 reels the pull wire 215, so that the steel ball roller 214 is pulled upward, thereby reducing the pitch of the spring stop 217 and reducing the spray range.

[0037] When the bottom end of the pull wire 1 215 is fixed and restrains the control pulley 1 209, at this time, the pull wire 216 is pulled downward alone, and the pulley 211 overcomes the thrust of the spring 212 and rotates in the direction of the wrench 218. The displacement of the pulley 211 in the axial direction of the external threaded tube 210 makes the end of the lever 213 enter the range of the wrench 218. The continuous rotation of the pulley 211 will further make the lever 213 rotate to resist the wrench 218 and drive the wrench 218, the short shaft 207 and the block 208 to deflect, and the block 208 will disengage from the tooth groove 205a. At this time, the pull wire 1 215 and the pull wire 216 are pulled around the vertical pole 101 at the same time to change the spray angle, and the spring 212 of the pull wire 216 is released to push the structure to reset.

[0038] In summary, the rotary spraying mechanism 200 can be controlled by wire only through two pull wires and simple operation logic, making the use of the present invention more convenient.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A dust suppression device for highway construction, comprising a main machine (100), characterized in that: The invention also comprises a rotary spray mechanism (200) arranged on the top of the main machine (100), the rotary spray mechanism (200) comprising a short tube (201), a shell (202) being sleeved on the outside of the short tube (201) without contact, a lower cover plate (203) being fixedly connected between the shell (202) and the bottom end of the short tube (201), a limit ring (205) being sleeved on the top of the shell (202) without contact on the outside of the short tube (201), the limit ring (205) being sleeved on the outside of the short tube (201) without contact, An upper cover plate (204) is fixedly connected between the ring (205) and the top of the short tube (201); a hole is formed on the peripheral wall of the short tube (201); and a rotating seat (206) is sealed and rotatably sleeved on the short tube (201) at the position of the hole; an atomizing nozzle (300) is arranged on the peripheral wall of the rotating seat (206) along its tangential direction, and a nozzle of the atomizing nozzle (300) is located in the gap between the top of the housing (202) and the bottom of the limiting ring (205); A spiral-shaped spring stop (217) is wound between the outer wall of the housing (202) and the limiting ring (205); the outer peripheral wall of the limiting ring (205) is provided with a tooth groove (205a) in the shape of an annular ring, and one end of the spring stop (217) is slidably engaged with the tooth groove (205a); the outer peripheral wall of the housing (202) is provided with a sliding groove (202a) in the shape of an annular ring, and the other end of the spring stop (217) is slidably engaged with the sliding groove (202a).

2. The dust suppression device for highway construction according to claim 1, characterized in that: The spiral top of the spring stop (217) is arranged in an "L" shape, and the short side of the "L" shape is oriented upward and is rotatably connected to a short shaft (207). A semi-cylindrical block (208) is arranged at one end of the short shaft (207) perpendicular to its axis, and the block (208) is matched and buckled in a single tooth groove (205a). A wrench (218) is arranged at one end of the short shaft (207) away from the spring stop (217).

3. The dust suppression device for highway construction according to claim 2, characterized in that: The short shaft (207) is located on the outer side of the spring stop (217) and is rotatably sleeved with a pulley 1 (209) and an externally threaded tube (210). The pulley 1 (209) and the externally threaded tube (210) are fixedly connected. The externally threaded tube (210) is arranged on the side of the pulley 1 (209) located on the wrench (218), and the outer wall of the externally threaded tube (210) is threadedly connected with a pulley 2 (211). One side of the pulley 2 (211) is in contact with the pulley 1 (209), and one side of the pulley 2 (211) is in contact with a spring (212), and the other end of the spring (212) is in contact with the end of the externally threaded tube (210), and the side of the pulley 2 (211) away from the pulley 1 (209) is vertically connected with a lever (213).

4. The dust suppression device for highway construction according to claim 3, characterized in that: The spiral bottom end of the spring stop (217) is arranged in an "L" shape, and the short side of the "L" is downwardly directed and fixedly connected to a steel ball roller (214), and the ball body of the steel ball roller (214) is slidably connected to the slide groove (202a).

5. The dust suppression device for highway construction according to claim 4, characterized in that: A pull wire (215) is fixedly connected to the rod of the steel ball roller (214), and one end of the pull wire (215) is wound around the pulley (209). The pulley (211) is wound around the pull wire (216), and the winding directions of the pull wire (215) and the pull wire (216) are opposite. The other ends of the pull wire (215) and the pull wire (216) are hung down to the main machine (100).

6. The dust suppression device for highway construction according to claim 5, characterized in that: The number of spiral turns of the spring stop (217) is one turn, and the width of the spring stop (217) is greater than the width of the gap between the housing (202) and the limiting ring (205).

7. The dust suppression device for highway construction according to claim 1, characterized in that: The atomizing nozzles (300) are distributed in a circular array about the rotating seat (206).

8. The dust suppression device for highway construction according to claim 7, characterized in that: The slide grooves (202a) are evenly distributed in the axial direction of the housing (202).

9. The dust suppression device for highway construction according to claim 8, characterized in that: A cylindrical upright pole (101) is vertically fixedly mounted on the top of the main unit (100), and the top of the upright pole (101) is fixedly connected to the bottom surface of the lower cover plate (203).

10. The dust suppression device for highway construction according to claim 9, characterized in that: A quick connector (102) is connected to the middle of the bottom surface of the lower cover plate (203), and the quick connector (102) is connected to a water pump hose in the main unit (100). The lower cover plate (203) is also connected to a drain pipe (103), and the drain pipe (103) is connected to a water tank in the main unit (100).

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