Building construction dust prevention and fall device convenient to move

Abstract

The invention relates to the technical field of dust falling devices, and discloses a building construction dust prevention and falling device convenient to move, which comprises a base, a push rod is fixedly connected to the top of the base, a water tank is fixedly connected to the top of the base, a water pump is fixedly mounted at the top of the water tank, and a connecting shaft is rotatably connected to the inner wall of a fixing plate. Before humidification, a worker can rotate a rotary disc to adjust a sprayer, the humidification and dust falling range of the sprayer is enlarged, the contact opportunity of particles and water mist is increased, the dust falling effect is improved, and the practicability is high. When moving humidification is carried out, the reciprocating sliding groove drives the sprayer to move and spray, the spraying range is larger, the situation that dust falling is not carried out in too many blind areas is avoided, the efficiency and quality of dust falling operation are improved, it is guaranteed that water mist is evenly covered, and resources are saved.

Description

Technical Field

[0001] The invention relates to the technical field of dust suppression devices, in particular to a mobile dust prevention and suppression device for building construction. Background Art

[0002] In order to improve work efficiency and dust reduction effect, a mobile construction dust prevention and reduction device can quickly and effectively cover every corner of the construction site through flexible mobility and efficient spraying system, ultimately achieving the goal of reducing dust pollution and improving the quality of the working environment.

[0003] The patent with application number 202120543220.4 relates to a mobile construction dust prevention and reduction device, which particularly includes a base and a connecting seat; a lifting cylinder is arranged at the center position between the base and the connecting seat, a moving device is connected to the bottom of the base, a placement cabinet, a control cabinet and a water storage tank are arranged on the top surface of the connecting seat, a driven gear is connected to the top surface of the placement cabinet through a rotating shaft, the driven gear is meshed with a driving gear, the driving gear is installed on a transmission motor, a connecting plate is fixedly connected to the rotating shaft and located above the driven gear, a bracket is installed on the top surface of the connecting plate, and a bracket is installed on the top surface of the connecting plate. A bearing seat is installed on the top of the frame, and connecting shafts are installed on the bearing seats. The connecting shafts are fixedly installed on both sides of the sprayer, and the bottom of the sprayer is connected to an automatic angle adjustment device; it is used to solve the problems that the existing dust prevention and dust reduction devices are inconvenient to move, the angle cannot be adjusted, and the height cannot be adjusted. However, when this device is used to reduce dust in construction, it is difficult to comprehensively reduce dust on the construction site, the range is small during spraying, and the flexibility is low during spraying, resulting in more blind spots and lower dust reduction effect. Therefore, a mobile dust prevention and dust reduction device for construction is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a mobile dust prevention and reduction device for construction work in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a mobile dust prevention and dust reduction device for construction, comprising a base, a push rod is fixedly connected to the top of the base, a water tank is fixedly connected to the top of the base, a water pump is fixedly installed on the top of the water tank, a telescopic water pipe is installed on the inner wall of the water pump, a sprayer is fixedly connected to the end of the telescopic water pipe away from the water pump, a fixing plate is fixedly connected to the bottom of the base, a connecting shaft is rotatably connected to the inner wall of the fixing plate, and rollers are fixedly connected to both ends of the connecting shaft; the outer surface of the base The surface of the sprayer is provided with an adjustment mechanism, the circumferential surface of the sprayer is provided with a protection mechanism, and the inner wall of the sprayer is provided with a cleaning mechanism; the adjustment mechanism includes a slide plate, a threaded rod, a turntable, a sliding block, a positioning block 1, an elastic telescopic connecting rod, and a positioning block 2. The slide plate is slidably connected to the inner wall of the base, the threaded rod is rotatably connected to the inner wall of the slide plate, the turntable is fixedly connected to the front end of the threaded rod, the sliding block is threadedly connected to the circumferential surface of the threaded rod, the positioning block 1 is fixedly connected to the top of the sliding block, and the elastic telescopic connecting rod is rotatably connected to the positioning block 1 The inner wall of the slide plate, the positioning block 2 is fixedly connected to the circumferential surface of the sprayer; the adjusting mechanism also includes a positioning block 3, a moving block, and a reciprocating sliding groove, the positioning block 3 is fixedly connected to both sides of the slide plate, the moving block is fixedly connected to the bottom of the slide plate, and the reciprocating sliding groove is arranged on the circumferential surface of the connecting shaft; before humidification, the worker can rotate the turntable to drive the sprayer to move for height adjustment, thereby increasing the humidification and dust reduction range of the sprayer, and can accurately aim the dust reduction spray at the dust source, so that the water mist directly acts on the dust particles, increasing the contact between the particles and the water The contact opportunity of the fog improves the dust reduction effect. While performing mobile humidification, the reciprocating sliding groove drives the sprayer to move back and forth to spray the surroundings, making the spraying range larger, avoiding too many blind areas without dust reduction, improving the efficiency and quality of dust reduction operations, ensuring uniform coverage of water mist, saving resources, and adapting to complex environments. The inner wall of the positioning block two is rotatably connected to the elastic telescopic connecting rod, the inner wall of the positioning block three is rotatably connected to the sprayer, the sliding block is slidably connected to the inner wall of the slide plate, and the inner wall of the moving block is movably connected to the reciprocating sliding groove.

[0006] Preferably, the protective mechanism includes an extrusion plate, a positioning block four, an inclined block one, and a protective shell, the extrusion plate is fixedly connected to both sides of the sliding block, the positioning block four is fixedly connected to the circumferential surface of the sprayer, the inclined block one is rotatably connected to the inner wall of the positioning block four through a torsion spring, and the protective shell is fixedly connected to the front side of the inclined block one; the protective mechanism also includes a two-way telescopic rod, a pulley, a guide plate, a conduction rod, a rotating nozzle, and a limit rod, the two-way telescopic rod is fixedly connected to the rear side of the slide plate, the pulley is fixedly installed at the bottom of the two-way telescopic rod, the guide plate is fixedly connected to the top of the base, the conduction rod is rotatably connected to the outer surface of the two-way telescopic rod, and the rotating nozzle is rotatably connected to the sprayer The inner wall, the limit rod is fixedly connected to the inner wall of the sprayer; after the dust reduction work is completed, the sliding block drives the protective shell to rotate to protect the sprayer to prevent dust from entering and clogging the mouth when not in use, thereby improving the spraying effect, extending the service life of the equipment, and improving the overall effect of the equipment. When working, the slide plate drives the rotating nozzle to rotate and spray, which not only improves the uniformity of the spray and enhances the atomization effect, but also improves the work efficiency and reduces the waste of water resources. The circumferential surface of the conduction rod is slidably connected to the inner wall of the sprayer, the circumferential surface of the pulley contacts the inner wall of the guide plate, the inner wall of the limit rod is slidably connected to the circumferential surface of the conduction rod, and the circumferential surface of the conduction rod is movably connected to the rotating nozzle.

[0007] Preferably, the cleaning mechanism includes a scraper rod, a slide groove, a second inclined block, a fifth positioning block, a knocking rod, and a third inclined block. The slide groove is provided on the inner wall of the sprayer, the scraper rod is rotatably connected to the inner wall of the slide groove, the second inclined block is fixedly connected to both sides of the scraper rod, the fifth positioning block is fixedly connected to the inner wall of the sprayer, the knocking rod is rotatably connected to the inner wall of the positioning block five through a torsion spring, and the third inclined block is fixedly connected to both sides of the knocking rod. While performing rotational spraying, the conducting rod drives the scraper rod to rotate through the sliding groove on the surface to clean the rotating spray head to prevent impurities from adhering to its surface, and further The spraying effect is improved, the overall efficiency of the equipment is enhanced, the sprayer is easier to maintain, and the service life of the equipment is increased. While scraping, the rotation of the scraper rod drives the knocking rod to knock on the rotating nozzle to prevent the nozzle hole from being blocked, and the impurities inside the nozzle hole are shaken off, which greatly improves the cleaning effect, makes the spraying effect of the nozzle hole better, makes the maintenance work of the maintenance personnel more convenient, and improves the overall effect of the equipment. The inner wall of the scraper rod is movably connected to the circumferential surface of the conduction rod, the front side of the scraper rod is in contact with the rear side of the rotating nozzle, and the front side of the knocking rod is in contact with the rear side of the rotating nozzle.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects: 1. This is a mobile dust prevention and reduction device for construction, which operates in coordination among a slide plate, a threaded rod, a turntable, a sliding block, a positioning block 1, an elastic telescopic connecting rod, a positioning block 2, a positioning block 3, a moving block, and a reciprocating sliding groove. Before humidification, a worker can rotate the turntable to drive the sprayer to move for height adjustment, thereby increasing the humidification and dust reduction range of the sprayer, and can accurately aim the dust reduction spray at the dust source, so that the water mist directly acts on the dust particles, increasing the contact opportunity between the particles and the water mist, and improving the dust reduction effect. While performing mobile humidification, the reciprocating sliding groove drives the sprayer to move back and forth to spray the surroundings, so that the spraying range is larger, avoiding too many blind areas where dust reduction is not performed, improving the efficiency and quality of dust reduction operations, ensuring uniform coverage of the water mist, saving resources, and adapting to complex environments.

[0009] 2. This mobile dust prevention and reduction device for construction works through the cooperation of an extrusion plate, four positioning blocks, one inclined block, a protective shell, a two-way telescopic rod, a pulley, a guide plate, a conducting rod, a rotating nozzle, and a limiting rod. After the dust reduction work is completed, the sliding block drives the protective shell to rotate to protect the sprayer to prevent dust from entering and clogging the mouth when not in use, thereby improving the spraying effect, extending the service life of the equipment, and improving the overall effect of the equipment. When working, the slide plate drives the rotating nozzle to rotate and spray, which not only improves the spray uniformity and enhances the atomization effect, but also improves the work efficiency and reduces the waste of water resources.

[0010] 3. The mobile construction dust prevention and reduction device cooperates with the scraper rod, the slide groove, the second inclined block, the fifth positioning block, the knocking rod and the third inclined block. While performing rotational spraying, the guide rod drives the scraper rod to rotate through the sliding groove on the surface to scrape the rotating nozzle to prevent impurities from adhering to its surface, thereby further improving the spraying effect, enhancing the overall efficiency of the equipment, making the sprayer easier to maintain, and increasing the service life of the equipment. While performing scraping, the rotation of the scraper rod drives the knocking rod to knock the rotating nozzle to prevent the nozzle from being blocked and shake off impurities inside the nozzle, thereby greatly improving the cleaning effect, making the spraying effect of the nozzle better, making the maintenance work of the maintenance personnel more convenient, and improving the overall effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a cross-sectional view of the base structure of the present invention; Figure 3 This is a schematic diagram of the structure of the elastic telescopic connecting rod of the present invention; Figure 4 For the present invention Figure 3 A magnified view of the structure at center; Figure 5This is a schematic diagram of the protective shell structure of the present invention; Figure 6 For the present invention Figure 5 A magnified view of the structure at B in the middle; Figure 7 It is a schematic diagram of the conducting rod structure of the present invention; Figure 8 This is a schematic diagram of the scraper rod structure of the present invention; Fig. 9 For the present invention Figure 8 A magnified view of the structure at C in the middle; Fig.10 It is a schematic diagram of the structure of the bidirectional telescopic rod of the present invention.

[0012] In the figure: 1, base; 2, push rod; 3, water tank; 4, water pump; 5, telescopic water pipe; 6, sprayer; 7, adjustment mechanism; 71, slide plate; 72, threaded rod; 73, turntable; 74, sliding block; 75, positioning block one; 76, elastic telescopic connecting rod; 77, positioning block two; 78, positioning block three; 79, moving block; 710, reciprocating sliding groove; 8, protection mechanism; 81, extrusion plate; 82, positioning block four; 83, inclined block one; 84, protective shell; 85, two-way telescopic rod; 86, pulley; 87, guide plate; 88, conduction rod; 89, rotating nozzle; 810, limit rod; 9, cleaning mechanism; 91, scraper rod; 92, slide groove; 93, inclined block two; 94, positioning block five; 95, knocking rod; 96, inclined block three; 10, fixed plate; 11, connecting shaft; 12, roller. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1-Figure 10, one embodiment of the present invention is: a mobile dust prevention and reduction device for construction, comprising a base 1, a push rod 2 is fixedly connected to the top of the base 1, a water tank 3 is fixedly connected to the top of the base 1, a water pump 4 is fixedly installed on the top of the water tank 3, a telescopic water pipe 5 is installed on the inner wall of the water pump 4, a sprayer 6 is fixedly connected to the end of the telescopic water pipe 5 away from the water pump 4, a fixing plate 10 is fixedly connected to the bottom of the base 1, a connecting shaft 11 is rotatably connected to the inner wall of the fixing plate 10, and rollers 12 are fixedly connected to both ends of the connecting shaft 11; an adjusting mechanism 7 is provided on the outer surface of the base 1, a protective mechanism 8 is provided on the circumferential surface of the sprayer 6, and a cleaning mechanism 9 is provided on the inner wall of the sprayer 6; the adjusting mechanism 7 includes a slide plate 71, a threaded rod 72, The turntable 73, the sliding block 74, the positioning block 1 75, the elastic telescopic connecting rod 76, the positioning block 2 77, the slide plate 71 is slidably connected to the inner wall of the base 1, the threaded rod 72 is rotatably connected to the inner wall of the slide plate 71, the turntable 73 is fixedly connected to the front end of the threaded rod 72, the sliding block 74 is threadedly connected to the circumferential surface of the threaded rod 72, the positioning block 1 75 is fixedly connected to the top of the sliding block 74, the elastic telescopic connecting rod 76 is rotatably connected to the inner wall of the positioning block 1 75, and the positioning block 2 77 is fixedly connected to the circumferential surface of the sprayer 6; before humidification, the turntable 73 can be rotated by a worker, the turntable 73 drives the threaded rod 72 to rotate, the threaded rod 72 drives the sliding block 74 to move through the surface thread groove, and the sliding block 74 drives the positioning block 1 75 The positioning block 1 75 drives the elastic telescopic connecting rod 76 to move, the elastic telescopic connecting rod 76 drives the positioning block 2 77 to move, and the positioning block 2 77 drives the sprayer 6 to move for height adjustment, thereby increasing the humidification and dust reduction range of the sprayer 6, and the dust reduction spray can be accurately aimed at the dust source, so that the water mist directly acts on the dust particles, increasing the contact opportunity between the particles and the water mist, and improving the dust reduction effect. The adjustment mechanism 7 also includes a positioning block 3 78, a moving block 79, and a reciprocating sliding groove 710. The positioning block 3 78 is fixedly connected to both sides of the slide plate 71, and the moving block 79 is fixedly connected to the bottom of the slide plate 71. The reciprocating sliding groove 710 is provided on the circumferential surface of the connecting shaft 11; while the mobile humidification is being performed, the base 1 moves to drive the roller 12 rotates, the roller 12 drives the connecting shaft 11 to rotate, the connecting shaft 11 drives the reciprocating sliding groove 710 to rotate, the reciprocating sliding groove 710 drives the moving block 79 to move back and forth through the inner wall, the moving block 79 drives the slide plate 71 to move back and forth, and the slide plate 71 drives the sprayer 6 to move back and forth to spray the surroundings, so that the spraying range is larger, avoiding too many blind areas without dust reduction, improving the efficiency and quality of dust reduction operations, ensuring uniform coverage of water mist, saving resources, and adapting to complex environments, the inner wall of the positioning block 2 77 is rotatably connected to the elastic telescopic connecting rod 76, the inner wall of the positioning block 3 78 is rotatably connected to the sprayer 6, the sliding block 74 is slidably connected to the inner wall of the slide plate 71, and the inner wall of the moving block 79 is movably connected to the reciprocating sliding groove 710; The protection mechanism 8 includes an extrusion plate 81, a positioning block 82, an inclined block 83, and a protective shell 84. The extrusion plate 81 is fixedly connected to both sides of the sliding block 74, the positioning block 82 is fixedly connected to the circumferential surface of the sprayer 6, the inclined block 83 is rotatably connected to the inner wall of the positioning block 82 through a torsion spring, and the protective shell 84 is fixedly connected to the front side of the inclined block 83. After the dust reduction work is completed, the sprayer 6 is reset by rotating the turntable 73. When resetting, the sliding block 74 drives the extrusion plate 81 to move, and the sprayer 6 drives the positioning block 82 to move. The block 4 82 drives the inclined block 1 83 to move, and the inclined block 1 83 drives the protective shell 84 to move. When the protective shell 84 moves to the lowest position, the turntable 73 continues to rotate and the sliding block 74 continues to move through the elasticity of the elastic telescopic connecting rod 76. The sliding block 74 continues to drive the extrusion plate 81 to move and contact the inclined block 1 83 for extrusion. The inclined block 1 83 extrudes and rotates to drive the protective shell 84 to rotate to protect the sprayer 6, preventing dust from entering and clogging the port when not in use, thereby improving the spraying effect, extending the service life of the equipment, and improving the overall efficiency of the equipment. The protective mechanism 8 also includes a two-way telescopic rod 85, a pulley 86, a guide plate 87, a conduction rod 88, a rotating nozzle 89, and a limit rod 810. The two-way telescopic rod 85 is fixedly connected to the rear side of the slide plate 71, the pulley 86 is fixedly installed at the bottom of the two-way telescopic rod 85, the guide plate 87 is fixedly connected to the top of the base 1, the conduction rod 88 is rotatably connected to the outer surface of the two-way telescopic rod 85, the rotating nozzle 89 is rotatably connected to the inner wall of the sprayer 6, and the limit rod 810 is fixedly connected to the inner wall of the sprayer 6; when working, the slide plate 71 drives the two-way telescopic rod 85 to rotate. The telescopic rod 85 moves, and the two-way telescopic rod 85 drives the conducting rod 88 to move through the guide plate 87. The conducting rod 88 drives the rotating nozzle 89 to rotate and spray through the sliding groove on the surface, which not only improves the spray uniformity and enhances the atomization effect, but also improves the work efficiency and reduces the waste of water resources. The circumferential surface of the conducting rod 88 is slidably connected to the inner wall of the sprayer 6, the circumferential surface of the pulley 86 contacts the inner wall of the guide plate 87, the inner wall of the limit rod 810 is slidably connected to the circumferential surface of the conducting rod 88, and the circumferential surface of the conducting rod 88 is movably connected to the rotating nozzle 89.

[0015] Working principle: When a large amount of dust is generated during construction at a construction site, workers can push the push rod 2 to drive the base 1 to move, and the base 1 drives the sprayer 6 to move. While moving, the device is turned on by the switch to humidify the surrounding area to prevent excessive dust from causing harm to the workers' bodies. Before humidification, the workers can rotate the turntable 73, and the turntable 73 drives the threaded rod 72 to rotate. The threaded rod 72 drives the sliding block 74 to move through the surface thread groove, and the sliding block 74 drives the positioning block 1 75 to move. The positioning block 1 75 drives the elastic telescopic connecting rod 76 to move, and the elastic telescopic connecting rod 76 drives the positioning block 2 77 to move. The positioning block 2 77 drives the sprayer 6 to move for height adjustment, thereby increasing the sprayer 6. The humidification and dust reduction range can accurately aim the dust reduction spray at the dust source, so that the water mist directly acts on the dust particles, increasing the contact opportunity between the particles and the water mist, and improving the dust reduction effect. While performing mobile humidification, the base 1 moves to drive the roller 12 to rotate, the roller 12 drives the connecting shaft 11 to rotate, the connecting shaft 11 drives the reciprocating sliding groove 710 to rotate, the reciprocating sliding groove 710 drives the moving block 79 to move back and forth through the inner wall, the moving block 79 drives the slide plate 71 to move back and forth, and the slide plate 71 drives the sprayer 6 to move back and forth to spray the surroundings, making the spraying range larger, avoiding too many blind areas where dust reduction is not performed, improving the efficiency and quality of dust reduction operations, ensuring uniform coverage of water mist, saving resources, and adapting to complex environments.

[0016] After the dust suppression work is completed, the rotating disk 73 is rotated to drive the sprayer 6 to reset. During the reset, the sliding block 74 drives the extrusion plate 81 to move, the sprayer 6 drives the positioning block 4 82 to move, the positioning block 4 82 drives the inclined block 1 83 to move, and the inclined block 1 83 drives the protective shell 84 to move. When the protective shell 84 moves to the lowest point, the rotating disk 73 continues to rotate to continue to drive the sliding block 74 to move through the elasticity of the elastic telescopic connecting rod 76, and the sliding block 74 continues to drive the extrusion plate 81 to move and contact with the inclined block 1 83 for extrusion. The squeezing and rotating drive the protective shell 84 to rotate to protect the sprayer 6, preventing dust from entering and clogging the mouth when not in use, thereby improving the spraying effect, extending the service life of the equipment, and improving the overall effect of the equipment. When working, the slide plate 71 drives the two-way telescopic rod 85 to move, and the two-way telescopic rod 85 drives the conducting rod 88 to move through the guide plate 87, and the conducting rod 88 drives the rotating nozzle 89 through the sliding groove on the surface to rotate and spray, which not only improves the spray uniformity and enhances the atomization effect, but also improves the work efficiency and reduces the waste of water resources.

[0017] See also Figure 1-Figure 10On the basis of the above embodiment, in another embodiment of the present invention, the cleaning mechanism 9 includes a scraper rod 91, a slide groove 92, a second inclined block 93, a fifth positioning block 94, a knocking rod 95, and a third inclined block 96. The slide groove 92 is provided on the inner wall of the sprayer 6, and the scraper rod 91 is rotatably connected to the inner wall of the slide groove 92. While performing rotational spraying, the conduction rod 88 drives the scraper rod 91 to rotate through the sliding groove on the surface, and cleans the rotating spray head 89 to prevent impurities from adhering to its surface, further improving the spraying effect, enhancing the overall efficiency of the equipment, making the sprayer 6 easier to maintain, and improving the service life of the equipment. The second inclined block 93 is fixedly connected to both sides of the scraper rod 91, the fifth positioning block 94 is fixedly connected to the inner wall of the sprayer 6, and the knocking rod 95 is rotatably connected to the inner wall of the sprayer 6 through the torsion spring. Connected to the inner wall of positioning block five 94, inclined block three 96 is fixedly connected to both sides of knocking rod 95; while scraping, scraping rod 91 rotates to drive inclined block two 93 to move, inclined block two 93 drives inclined block three 96 to move through the inclined surface, and inclined block three 96 drives knocking rod 95 to move. When inclined block two 93 leaves, knocking rod 95 is reset to knock on rotating nozzle 89 to prevent blockage of the spray hole, and impurities inside the spray hole are shaken off, which greatly improves the cleaning effect, makes the spraying effect of the spray hole better, makes the maintenance work of maintenance personnel more convenient, and improves the overall effect of the equipment. The inner wall of scraping rod 91 is movably connected with the circumferential surface of conducting rod 88, the front side of scraping rod 91 contacts with the rear side of rotating nozzle 89, and the front side of knocking rod 95 contacts with the rear side of rotating nozzle 89.

[0018] Working principle: while performing rotational spraying, the conduction rod 88 drives the scraper rod 91 to rotate through the sliding groove on the surface, and scrapes the rotating nozzle 89 to prevent impurities from adhering to its surface, further improving the spraying effect, enhancing the overall efficiency of the equipment, making the sprayer 6 easier to maintain, and increasing the service life of the equipment. While performing scraping, the scraper rod 91 rotates to drive the inclined block 2 93 to move, and the inclined block 2 93 drives the inclined block 3 96 to move through the inclined surface, and the inclined block 3 96 drives the knocking rod 95 to move. When the inclined block 2 93 leaves, the knocking rod 95 is reset to knock on the rotating nozzle 89 to prevent the nozzle from being blocked, and to shake off the impurities inside the nozzle, which greatly improves the cleaning effect, makes the spraying effect of the nozzle better, makes the maintenance work of the maintenance personnel more convenient, and improves the overall effect of the equipment.

[0019] The present invention provides a mobile dust prevention and reduction device for construction. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A mobile dust prevention and reduction device for construction, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a push rod (2), the top of the base (1) is fixedly connected to a water tank (3), the top of the water tank (3) is fixedly connected to a water pump (4), the inner wall of the water pump (4) is installed with a telescopic water pipe (5), one end of the telescopic water pipe (5) away from the water pump (4) is fixedly connected to a sprayer (6), the bottom of the base (1) is fixedly connected to a fixing plate (10), the inner wall of the fixing plate (10) is rotatably connected to a connecting shaft (11), and both ends of the connecting shaft (11) are fixedly connected to rollers (12); The outer surface of the base (1) is provided with an adjustment mechanism (7), the circumferential surface of the sprayer (6) is provided with a protection mechanism (8), and the inner wall of the sprayer (6) is provided with a cleaning mechanism (9); The adjusting mechanism (7) comprises a slide plate (71), a threaded rod (72), a rotating disk (73), a sliding block (74), a first positioning block (75), an elastic telescopic connecting rod (76), and a second positioning block (77); the slide plate (71) is slidably connected to the inner wall of the base (1); the threaded rod (72) is rotatably connected to the inner wall of the slide plate (71); the rotating disk (73) is fixedly connected to the front end of the threaded rod (72); the sliding block (74) is threadedly connected to the circumferential surface of the threaded rod (72); the first positioning block (75) is fixedly connected to the top of the sliding block (74); the elastic telescopic connecting rod (76) is rotatably connected to the inner wall of the first positioning block (75); and the second positioning block (77) is fixedly connected to the circumferential surface of the sprayer (6).

2. The portable dust prevention and reduction device for construction according to claim 1 is characterized in that: The adjustment mechanism (7) further comprises a positioning block three (78), a moving block (79), and a reciprocating sliding groove (710); the positioning block three (78) is fixedly connected to both sides of the slide plate (71); the moving block (79) is fixedly connected to the bottom of the slide plate (71); and the reciprocating sliding groove (710) is formed on the circumferential surface of the connecting shaft (11).

3. The portable dust prevention and reduction device for construction according to claim 2 is characterized in that: The inner wall of the second positioning block (77) is rotatably connected to the elastic telescopic connecting rod (76), the inner wall of the third positioning block (78) is rotatably connected to the sprayer (6), the sliding block (74) is slidably connected to the inner wall of the slide plate (71), and the inner wall of the moving block (79) is movably connected to the reciprocating sliding groove (710).

4. The portable dust prevention and reduction device for construction according to claim 3 is characterized by: The protection mechanism (8) comprises an extrusion plate (81), a positioning block four (82), an inclined block one (83), and a protective shell (84); the extrusion plate (81) is fixedly connected to both sides of the sliding block (74); the positioning block four (82) is fixedly connected to the circumferential surface of the sprayer (6); the inclined block one (83) is rotatably connected to the inner wall of the positioning block four (82) via a torsion spring; and the protective shell (84) is fixedly connected to the front side of the inclined block one (83).

5. The portable dust prevention and reduction device for construction according to claim 4 is characterized in that: The protection mechanism (8) further comprises a bidirectional telescopic rod (85), a pulley (86), a guide plate (87), a conduction rod (88), a rotating spray head (89), and a limit rod (810). The bidirectional telescopic rod (85) is fixedly connected to the rear side of the slide plate (71), the pulley (86) is fixedly mounted on the bottom of the bidirectional telescopic rod (85), the guide plate (87) is fixedly connected to the top of the base (1), the conduction rod (88) is rotatably connected to the outer surface of the bidirectional telescopic rod (85), the rotating spray head (89) is rotatably connected to the inner wall of the sprayer (6), and the limit rod (810) is fixedly connected to the inner wall of the sprayer (6).

6. The portable dust prevention and reduction device for construction according to claim 5 is characterized by: The circumferential surface of the conducting rod (88) is slidably connected to the inner wall of the sprayer (6), the circumferential surface of the pulley (86) contacts the inner wall of the guide plate (87), the inner wall of the limit rod (810) is slidably connected to the circumferential surface of the conducting rod (88), and the circumferential surface of the conducting rod (88) is movably connected to the rotating spray head (89).

7. The portable dust prevention and reduction device for construction according to claim 6 is characterized by: The cleaning mechanism (9) comprises a scraper rod (91), a slide groove (92), a second inclined block (93), a fifth positioning block (94), a knocking rod (95), and a third inclined block (96). The slide groove (92) is formed on the inner wall of the sprayer (6). The scraper rod (91) is rotatably connected to the inner wall of the slide groove (92). The second inclined block (93) is fixedly connected to both sides of the scraper rod (91). The fifth positioning block (94) is fixedly connected to the inner wall of the sprayer (6). The knocking rod (95) is rotatably connected to the inner wall of the fifth positioning block (94) via a torsion spring. The third inclined block (96) is fixedly connected to both sides of the knocking rod (95).

8. The portable dust prevention and reduction device for construction according to claim 7 is characterized in that: The inner wall of the scraper rod (91) is movably connected to the circumferential surface of the conduction rod (88), the front side of the scraper rod (91) contacts the rear side of the rotating spray head (89), and the front side of the knocking rod (95) contacts the rear side of the rotating spray head (89).

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