A dust suppression device for municipal roads

Abstract

The present invention relates to the technical field of road construction, and specifically to a dust reduction device for municipal roads, including a No. 1 bracket and a No. 2 bracket, a No. 1 rotating shaft is rotatably mounted on one side of the No. 1 bracket, a cylindrical winding bracket is fixedly mounted on the end of the No. 1 rotating shaft away from the No. 1 bracket, a dust reduction belt is fixedly mounted on the No. 1 winding shaft, a through groove is provided on the outer wall of the winding bracket, one end of the dust reduction belt passes through the through groove and extends to the outside and is fixedly mounted with an auxiliary bracket, a No. 2 rotating shaft is fixedly mounted on the side of the auxiliary bracket away from the dust reduction belt, and a connecting module is rotatably mounted on the end of the No. 2 rotating shaft away from the auxiliary bracket. The invention designs a dust reduction belt, and the dust reduction belt can be retracted and released through the winding bracket and the auxiliary bracket. Before the dust reduction belt rotates, water is sprayed on the dust reduction belt to wet it. When the wet dust reduction belt rotates, it can absorb dust floating in the air to achieve the effect of dust reduction, and will not cause blockage problems, thereby ensuring the efficiency of dust reduction.

Description

[0001] This application is a divisional application with the application date of May 14, 2024, application number 2024105938695, and the invention name is A dust reduction device for municipal roads. Technical Field

[0002] The invention relates to the technical field of road construction, and in particular to a dust reduction device for municipal roads. Background Art

[0003] Municipal roads are a general term for urban roads, which are generally located within the urban area. Roads provided to residents for paid or free use based on government responsibilities and obligations can be called municipal roads.

[0004] In cities, roads will crack due to long-term use, causing the roads to be bumpy and uneven. At this time, the roads need to be upgraded and renovated. Before renovating the roads, the existing roads need to be demolished. At this time, if the weather in the area where the roads are located is relatively dry, a large amount of dust will be generated when the roads are demolished. This dust will float in the air and cause pollution to the city. In order to cope with this phenomenon, existing road reconstructions will place fences at the edge of the construction area and install sprinklers on the top of the fences. The sprinklers continuously spray water mist on the construction area and surrounding areas to reduce dust in the air and reduce pollution. However, this operation method cannot achieve the expected effect when used. Its dust reduction effect is single and the efficiency is poor. The sprinklers are prone to blockage and damage after long-term use. In addition, long-term continuous water spraying will also cause waste of water resources, which is not conducive to environmental protection. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the background technology and to propose a dust reduction device for municipal roads.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a dust reduction device for municipal roads, comprising a No. 1 bracket and a No. 2 bracket, wherein the No. 1 bracket and the No. 2 bracket are symmetrically arranged, a No. 1 rotating shaft is rotatably installed on one side of the No. 1 bracket, and a winding bracket with a cylindrical structure is fixedly installed on the end of the No. 1 rotating shaft away from the No. 1 bracket, a winding groove is provided in the winding bracket, and a No. 1 winding shaft is rotatably installed in the winding groove, a dust reduction belt is fixedly installed on the No. 1 winding shaft, a through groove is provided on the outer wall of the winding bracket, the through groove is connected with the winding groove, one end of the dust reduction belt passes through the through groove and extends to the outside and is fixedly installed with an auxiliary bracket, a No. 2 rotating shaft is fixedly installed on the side of the auxiliary bracket away from the dust reduction belt, and a connecting module is rotatably installed on the end of the No. 2 rotating shaft away from the auxiliary bracket;

[0007] A connection groove is provided on one side of the second bracket close to the first bracket, and the connection module is inserted into the connection groove and fixed by a spring clip.

[0008] In the above-mentioned dust reduction device for municipal roads, a fixed clip is inserted into the through groove, one end of the fixed clip is fixedly installed with a fixed steel wire, the end of the fixed steel wire away from the fixed clip passes through the winding bracket and is fixedly installed with a pull ring, a hook is fixedly installed on the outer wall of the winding bracket, and the pull ring is sleeved on the hook.

[0009] In the above-mentioned dust reduction device for municipal roads, the dust reduction belt is made of non-woven fabric and filled with sponge, and water retaining strips made of flexible material are fixedly installed on the top and bottom of the dust reduction belt.

[0010] In the above-mentioned dust suppression device for municipal roads, the bottom of the winding groove passes through the winding bracket, and a filter is fixedly installed at the bottom of the winding bracket.

[0011] In the above-mentioned dust reduction device for municipal roads, two symmetrically arranged storage grooves are provided on the side of the No. 2 bracket close to the No. 1 bracket, and the two storage grooves are respectively located above and below the dust reduction belt, and driving blocks are inserted in the storage grooves. Both ends of the driving blocks are fixedly installed with mounting blocks through electric telescopic modules, and the installation positions of the mounting blocks on the two driving blocks correspond to each other. The corresponding mounting blocks are rotatably installed with rotating shafts on the sides close to each other, and a rotating rod is fixedly installed between the corresponding rotating shafts. A cleaning plate is fixedly installed on the outer wall of the rotating rod, and the No. 2 bracket Four No. 2 winding shafts are rotatably installed inside, and the four No. 2 winding shafts are symmetrically arranged in pairs and correspond to the opening positions of the two storage slots respectively. A driving steel wire is fixedly installed on the No. 2 winding shaft, one end of the driving steel wire passes through the storage slot and the corresponding driving block and is rotatably installed with a connecting buckle, which has a cylindrical structure and has threads on the outer wall of the connecting buckle. Four connecting thread grooves are opened at one end of the No. 1 bracket close to the No. 2 bracket, and the opening positions of the four connecting thread grooves correspond to the four connecting buckles respectively, and the connecting buckles are threadedly connected in the corresponding connecting thread grooves.

[0012] In the above-mentioned dust suppression device for municipal roads, an adjusting shaft is rotatably installed on the side wall of the No. 2 bracket and on both sides of the two receiving grooves, one end of the adjusting shaft extends into the No. 2 bracket and is plugged into the corresponding No. 2 winding shaft, a positioning groove is provided in the No. 2 bracket and on the outside of the adjusting shaft, and the inner wall of the positioning groove is provided with positioning tooth grooves evenly distributed along its circumference, a positioning tooth plate is fixedly installed on the outer wall of the adjusting shaft, and the positioning tooth plate and the positioning tooth groove are matched in a concave and convex manner, and a reset spring is fixedly installed in the No. 2 winding shaft, and one end of the reset spring abuts against the end of the adjusting shaft.

[0013] In the above-mentioned dust reduction device for municipal roads, two symmetrically arranged driving wheels are rotatably installed in the driving block, the driving wheels are in contact with the corresponding driving steel wires, a number of driving teeth evenly distributed along the circumference are fixedly installed on the outer wall of the driving wheel, and a number of anti-slip tooth grooves are opened on the outer wall of the driving steel wire.

[0014] In the above-mentioned dust reduction device for municipal roads, an electric slide groove is provided on the side of the No. 1 bracket and the No. 2 bracket away from each other, and an electric slider is slidably installed in the electric slide groove. The electric slide groove extends from one side of the electric slider and a connecting part is fixedly installed. A connecting rod is hinged on the side of the connecting part away from the electric slider, and connecting pipes are fixedly installed on both sides of the end of the connecting rod away from the connecting part. The two connecting pipes on the same connecting rod are connected to each other, and a hose is provided between the two connecting rods on the No. 1 bracket and the No. 2 bracket, and the two ends of the hose are respectively mounted on the corresponding connecting pipes, and a plurality of water spray outlets distributed in a straight line are provided on one side of the hose.

[0015] Compared with the existing technology, the advantages of the dust reduction device for municipal roads are: the present invention designs a dust reduction belt, which can be retracted and released by means of a winding bracket and an auxiliary bracket. When the dust reduction belt is unfolded, the unfolded dust reduction belt can be driven to rotate by the No. 1 rotating shaft and the No. 2 rotating shaft. Before the dust reduction belt rotates, water is sprayed on the dust reduction belt to wet it. When the wet dust reduction belt rotates, it can absorb dust floating in the air to achieve the effect of dust reduction without causing blockage problems, thereby ensuring the efficiency of dust reduction and not requiring long-term continuous water spraying, thereby reducing the consumption of water resources and improving environmental protection. At the same time, the dust reduction belt can be unfolded to a specified length according to the length of the construction road for dust reduction, which has high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0017] Figure 2 The present invention Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] Figure 3 The present invention Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0019] Figure 4 The present invention Figure 1 Schematic diagram of the local enlarged structure at point C in the middle.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the No. 1 bracket and the No. 2 bracket in the present invention.

[0021] Figure 6 The present invention Figure 5Schematic diagram of the local enlarged structure at point D in the middle.

[0022] Figure 7 The present invention Figure 5 Schematic diagram of the local enlarged structure at point E in the middle.

[0023] Figure 8 It is a schematic diagram of the three-dimensional cross-section structure of the winding bracket in the present invention.

[0024] Fig. 9 It is a schematic diagram of the partial cross-sectional structure of the dust suppression belt in the present invention.

[0025] Fig.10 It is a schematic cross-sectional structural diagram of the mounting block in the present invention.

[0026] Fig.11 It is a schematic cross-sectional structural diagram of the winding support in the present invention.

[0027] Fig.12 It is a schematic cross-sectional view of the second reel in the present invention.

[0028] Fig.13 The present invention Fig.12 Schematic diagram of the local enlarged structure at F in the middle.

[0029] Fig.14 It is a schematic cross-sectional structural diagram of the driving block in the present invention.

[0030] In the figure: 1, bracket No. 1; 2, bracket No. 2; 101, shaft No. 1; 3, winding bracket; 301, winding slot; 302, shaft No. 1; 303, dust suppression belt; 304, through slot; 305, auxiliary bracket; 306, shaft No. 2; 307, connection module; 201, connection slot; 308, fixed card strip; 309, fixed steel wire; 312, water retaining strip; 203, storage slot; 204, drive block; 206, installation block; 207, rotating shaft; 208, cleaning plate; 209, rotating rod; 210, No. 2 reel; 211, driving wire; 212, connecting buckle; 102, connecting thread groove; 213, adjusting shaft; 214, positioning groove; 215, positioning tooth groove; 216, positioning toothed disc; 218, driving wheel; 4, electric slide; 401, electric slider; 402, connecting piece; 403, connecting rod; 404, connecting pipe; 405, hose. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the 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.

[0033] Reference Figure 1-Figure 14 A dust reduction device for municipal roads comprises a No. 1 bracket 1 and a No. 2 bracket 2, the No. 1 bracket 1 and the No. 2 bracket 2 are symmetrically arranged, a No. 1 rotating shaft 101 is rotatably installed on one side of the No. 1 bracket 1, a cylindrical winding bracket 3 is fixedly installed on the end of the No. 1 rotating shaft 101 away from the No. 1 bracket 1, a winding groove 301 is provided in the winding bracket 3, a No. 1 winding shaft 302 is rotatably installed in the winding groove 301, a dust reduction belt 303 is fixedly installed on the No. 1 winding shaft 302, a through groove 304 is provided on the outer wall of the winding bracket 3, the through groove 304 is connected with the winding groove 301, one end of the dust reduction belt 303 passes through the through groove 304 and extends to the outside and is fixedly installed with an auxiliary bracket 305, a No. 2 rotating shaft 306 is fixedly installed on the side of the auxiliary bracket 305 away from the dust reduction belt 303, and a connecting module 307 is rotatably installed on the end of the No. 2 rotating shaft 306 away from the auxiliary bracket 305. When in use, the No. 1 The bracket 1 and the second bracket 2 are respectively installed at the designated positions by bolts. A driving motor is fixedly installed in the No. 1 bracket 1, and the driving motor can cooperate with the No. 1 rotating shaft 101 to drive the winding bracket 3 to rotate. A spring winding device is fixedly installed in the winding bracket 3 and on the top of the No. 1 winding shaft 302. The spring winding device cooperates with the No. 1 winding shaft 302 to realize automatic winding of the dust reduction belt 303. The winding groove 301 is used to accommodate the No. 1 winding shaft 302 and the wound dust reduction belt 303. The auxiliary bracket 305 cooperates with the No. 2 rotating shaft 306 and the connecting module 307 to pull out the dust reduction belt 303 to unfold it and cooperate with the No. 1 rotating shaft 101 to drive the unfolded dust reduction belt 303 to rotate. The rotation of the unfolded dust reduction belt 303 can capture dust floating in the air to achieve the purpose of dust reduction. The dust reduction belt 303 can be moistened by injecting water to further improve the dust reduction effect.

[0034] A connecting groove 201 is provided on one side of the second bracket 2 close to the first bracket 1 . The connecting module 307 is inserted into the connecting groove 201 and fixed by a spring clip. The connecting groove 201 is used to fix the connecting module 307 .

[0035] The through slot 304 is provided with a fixed clip 308, one end of which is fixedly installed with a fixed steel wire 309, the end of the fixed steel wire 309 away from the fixed clip 308 passes through the winding bracket 3 and is fixedly installed with a pull ring, a hook is fixedly installed on the outer wall of the winding bracket, and the pull ring is sleeved on the hook. When it is necessary to pull the dust suppression belt 303, the pull ring is first removed from the hook, at this time, the fixed steel wire 309 is released, and the fixed clip 308 can be pulled out of the through slot 304, at this time, the dust suppression belt 303 can be retracted and released, and when it is necessary to retract the dust suppression belt 303, When fixing, the fixing clip 308 is inserted into the through slot 304, and then the fixing wire 309 is pulled to tighten it, and the pull ring is set on the hook to keep the fixing wire 309 tightened. After the fixing wire 309 is tightened, the fixing clip 308 can play a pulling role. The side of the fixing clip 308 close to the through slot 304 is inclined. Therefore, the fixing clip 308 can be pulled by the fixing wire 309 to make it contact with the dust reduction belt 303, and the inner wall of the through slot 304 can clamp the dust reduction belt 303 to fix the dust reduction belt 303.

[0036] The dust reduction belt 303 is made of non-woven fabric and filled with sponge. The top and bottom of the dust reduction belt 303 are fixedly installed with water retaining strips 312 made of flexible material. When the dust reduction belt 303 is filled with water and rotates, centrifugal force is generated to throw out the water inside, and the water retaining strips 312 can reduce the amount of water thrown out.

[0037] The bottom of the winding groove 301 passes through the winding bracket 3, and a filter is fixedly installed at the bottom of the winding bracket 3. The filter is used to drain the internal water after the dust suppression belt 303 is completely rolled up.

[0038] Two symmetrically arranged storage grooves 203 are provided on one side of the No. 2 bracket 2 close to the No. 1 bracket 1. The two storage grooves 203 are respectively located above and below the dust reduction belt 303. Drive blocks 204 are inserted in the storage grooves 203. Both ends of the drive blocks 204 are fixedly installed with mounting blocks 206 through electric telescopic modules. The installation positions of the mounting blocks 206 on the two drive blocks 204 correspond to each other. The corresponding mounting blocks 206 are rotatably installed on one side close to each other with rotating shafts 207. A rotating rod 209 is fixedly installed between the corresponding rotating shafts 207. A cleaning plate 208 is fixedly installed on the outer wall of the rotating rod 209. Four No. 2 winding shafts 210 are rotatably installed in the No. 2 bracket 2. The four No. 2 winding shafts 210 are rotatably installed in the No. 2 bracket 2. 10 are symmetrically arranged in pairs and correspond to the opening positions of the two storage grooves 203 respectively. A driving wire 211 is fixedly installed on the second winding shaft 210. One end of the driving wire 211 passes through the storage groove 203 and the corresponding driving block 204 and is rotatably installed with a connecting buckle 212. The connecting buckle 212 has a cylindrical structure, and a thread is opened on the outer wall of the connecting buckle 212. Four connecting thread grooves 102 are opened at one end of the No. 1 bracket 1 close to the No. 2 bracket 2. The opening positions of the four connecting thread grooves 102 correspond to the four connecting buckles 212 respectively. The connecting buckle 212 is threadedly connected in the corresponding connecting thread grooves 102. When the No. 1 bracket 1 and the No. 2 bracket 2 are fixed and the dust suppression belt 303 is unfolded, pull The connecting buckle 212 is threadedly connected to the corresponding connecting thread groove 102. At this time, two driving wires 211 are unfolded at the top and bottom of the dust reduction belt 303. The driving wires 211 can realize the reciprocating movement of the two driving blocks 204. The driving blocks 204 can drive the mounting blocks 206 on both sides to approach each other through the electric telescopic module. Another driving motor is fixedly installed in the mounting block 206, and the other driving motor is connected to the second winding shaft 210. When the mounting blocks 206 are close to each other, the rotating rod 209 is driven to rotate a specified angle by another driving motor. At this time, the cleaning plates 208 on the two rotating rods 209 will respectively contact the two sides of the dust reduction belt 303. At this time, the two cleaning plates 208 will The dust reduction belt 303 is clamped. At this time, the two driving blocks 204 are moved synchronously to drive the two cleaning plates 208 to squeeze the water in the dust reduction belt 303. The squeezed dust reduction belt 303 will discharge the water. After the dust reduction belt 303 has been running for a certain period of time, it can be cleaned by spraying water on the dust reduction belt 303. At this time, the reciprocating squeezing of the cleaning plates 208 can be used to clean the dust reduction belt 303, thereby extending the service life and dust reduction effect of the dust reduction belt 303. At the same time, the rotation of a single rotating rod 209 can drive a cleaning plate 208 to reciprocately impact the dust reduction belt 303 to achieve a beating effect, so that the dust collected on the dust reduction belt 303 can be beaten out to achieve cleaning.

[0039] An adjusting shaft 213 is rotatably installed on the side wall of the No. 2 bracket 2 and on both sides of the two storage grooves 203. One end of the adjusting shaft 213 extends into the No. 2 bracket 2 and is plugged into the corresponding No. 2 winding shaft 210. A positioning groove 214 is provided in the No. 2 bracket 2 and on the outer side of the adjusting shaft 213. The inner wall of the positioning groove 214 is provided with positioning tooth grooves 215 evenly distributed along its circumference. A positioning tooth disk 216 is fixedly installed on the outer wall of the adjusting shaft 213. The positioning tooth disk 216 and the positioning tooth groove 215 are matched with each other. A return spring is fixedly installed in the No. 2 winding shaft 210. One end of the return spring abuts against the end of the adjusting shaft 213. An operating incision is provided at one end of the shaft 213. When the driving wire 211 needs to be unfolded, the adjusting shaft 213 is pressed by a screwdriver. At this time, the pressed adjusting shaft 213 will drive the positioning toothed disc 216 to disengage the positioning toothed groove 215. At this time, the No. 2 winding shaft 210 is released, and the driving wire 211 can be unfolded. When the driving wire 211 is fixed, the adjusting shaft 213 is released. At this time, the positioning toothed disc 216 will be matched with the positioning toothed groove 215 again under the push of the reset spring. At this time, the No. 2 winding shaft 210 can be positioned, and the driving wire 211 can always be kept in a taut state, which is convenient for the movement of the driving block 204.

[0040] Two symmetrically arranged driving wheels 218 are rotatably installed in the driving block 204, and the driving wheels 218 are in contact with the corresponding driving steel wires 211. A plurality of driving teeth evenly distributed along the circumference are fixedly installed on the outer wall of the driving wheel 218, and a plurality of anti-slip tooth grooves are provided on the outer wall of the driving steel wire 211. A bidirectional driving motor is fixedly installed in the driving block 204, and the corresponding driving wheel 218 can be driven to rotate by the bidirectional driving motor, and the driving block 204 can be driven to move by the rotation of the driving wheel 218 and the driving steel wire 211.

[0041] The side of the No. 1 bracket 1 and the No. 2 bracket 2 away from each other is provided with an electric slide 4, an electric slider 401 is slidably installed in the electric slide 4, one side of the electric slider 401 extends out of the electric slide 4 and is fixedly installed with a connecting piece 402, a connecting rod 403 is hinged on the side of the connecting piece 402 away from the electric slider 401, and connecting pipes 404 are fixedly installed on both sides of the end of the connecting rod 403 away from the connecting piece 402, and the two connecting pipes 404 on the same connecting rod 403 are connected to each other, and the No. 1 bracket 1 and the No. 2 bracket 2 are connected to each other. A hose 405 is provided between the two connecting rods 403 on the top, and both ends of the hose 405 are respectively sleeved on the corresponding connecting pipes 404. A plurality of water spray outlets distributed in a straight line are provided on one side of the hose 405. When in use, one of the two connecting pipes 404 not connected to the hose 405 can be blocked, and water can be injected into the hose 405 through the other external water pipe. In conjunction with the reciprocating lifting of the electric slider 401, water can be sprayed on the outside of the dust reduction belt 303, which is convenient for cleaning the dust reduction belt 303 or keeping the dust reduction belt 303 moist.

[0042] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust suppression device for municipal roads, comprising a first bracket (1) and a second bracket (2), characterized in that: The No. 1 bracket (1) and the No. 2 bracket (2) are symmetrically arranged. A No. 1 rotating shaft (101) is rotatably mounted on one side of the No. 1 bracket (1). A cylindrical winding bracket (3) is fixedly mounted on the end of the No. 1 rotating shaft (101) away from the No. 1 bracket (1). A winding groove (301) is provided in the winding bracket (3). A No. 1 winding shaft (302) is rotatably mounted in the winding groove (301). A dust suppression belt (303) is fixedly mounted on the No. 1 winding shaft (302). A through slot (304) is provided on the outer wall of the roll bracket (3), the through slot (304) is connected to the roll-up slot (301), one end of the dust reduction belt (303) passes through the through slot (304) and extends to the outside and is fixedly installed with an auxiliary bracket (305), a second rotating shaft (306) is fixedly installed on a side of the auxiliary bracket (305) away from the dust reduction belt (303), and a connection module (307) is rotatably installed on one end of the second rotating shaft (306) away from the auxiliary bracket (305); A connection groove (201) is provided on one side of the second bracket (2) close to the first bracket (1), and the connection module (307) is inserted into the connection groove (201) and fixed by a spring clip; The second bracket (2) is provided with two symmetrically arranged storage grooves (203) on one side close to the first bracket (1), the two storage grooves (203) are respectively located above and below the dust suppression belt (303), a driving block (204) is inserted in each of the storage grooves (203), both ends of the driving block (204) are fixedly mounted with a mounting block (206) through an electric telescopic module, the mounting positions of the mounting blocks (206) on the two driving blocks (204) correspond to each other, the corresponding mounting blocks (206) are rotatably mounted with a rotating shaft (207) on one side close to each other, a rotating rod (209) is fixedly mounted between the corresponding rotating shafts (207), a cleaning plate (208) is fixedly mounted on the outer wall of the rotating rod (209), and four second mounting plates (204) are rotatably mounted in the second bracket (2). The first bracket (1) is provided with four connecting thread grooves (102), and the second bracket (2) is provided with four connecting thread grooves (102). The first bracket (1) is provided with four connecting thread grooves (102), and the first bracket (1 ... Two symmetrically arranged driving wheels (218) are rotatably mounted in the driving block (204), and the driving wheels (218) are in contact with corresponding driving steel wires (211); The bottom of the winding groove (301) passes through the winding bracket (3), and a filter screen is fixedly installed on the bottom of the winding bracket (3); An adjusting shaft (213) is rotatably mounted on the side wall of the No. 2 bracket (2) and located on both sides of the two receiving grooves (203); one end of the adjusting shaft (213) extends into the No. 2 bracket (2) and is plugged into the corresponding No. 2 winding shaft (210); a positioning groove (214) is provided in the No. 2 bracket (2) and located on the outer side of the adjusting shaft (213); the inner wall of the positioning groove (214) is provided with positioning tooth grooves (215) evenly distributed along its circumference; a positioning tooth disc (216) is fixedly mounted on the outer wall of the adjusting shaft (213); the positioning tooth disc (216) and the positioning tooth groove (215) are matched in a concave-convex manner; a reset spring is fixedly mounted in the No. 2 winding shaft (210); one end of the reset spring abuts against the end of the adjusting shaft (213).

2. A dust suppression device for municipal roads according to claim 1, characterized in that: A fixed clamping strip (308) is inserted into the through groove (304), one end of the fixed clamping strip (308) is fixedly mounted with a fixed steel wire (309), one end of the fixed steel wire (309) away from the fixed clamping strip (308) passes through the winding bracket (3) and is fixedly mounted with a pull ring, a hook is fixedly mounted on the outer wall of the winding bracket (3), and the pull ring is sleeved on the hook.

3. A dust suppression device for municipal roads according to claim 1, characterized in that: The dust reduction belt (303) is made of non-woven fabric and is filled with sponge. Water retaining strips (312) made of flexible material are fixedly installed on the top and bottom of the dust reduction belt (303).

4. A dust suppression device for municipal roads according to claim 1, characterized in that: The side of the No. 1 bracket (1) and the No. 2 bracket (2) away from each other is provided with an electric slide groove (4), an electric slider (401) is slidably installed in the electric slide groove (4), one side of the electric slider (401) extends out of the electric slide groove (4) and is fixedly installed with a connecting piece (402), a connecting rod (403) is hingedly connected to the side of the connecting piece (402) away from the electric slider (401), and connecting pipes (404) are fixedly installed on both sides of one end of the connecting rod (403) away from the connecting piece (402), and the two connecting pipes (404) on the same connecting rod (403) are connected to each other, and a hose (405) is provided between the two connecting rods (403) on the No. 1 bracket (1) and the No. 2 bracket (2), and the two ends of the hose (405) are respectively sleeved on the corresponding connecting pipes (404), and one side of the hose (405) is provided with a plurality of water spraying ports distributed in a straight line.

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