Construction site dust suppression device for engineering construction

Abstract

The invention relates to the technical field of dust suppression equipment, and discloses a construction site dust suppression device for engineering construction, which comprises a supporting mechanism, the supporting mechanism comprises a supporting frame, the outer wall of the bottom of the supporting frame is rotatably connected with a universal wheel through a rotating shaft, and the outer wall of the top of the supporting frame is fixedly connected with a water tank. An inclined plate is fixedly connected to the outer wall of the water tank, a through hole is formed in the outer wall of the side, close to the inclined plate, of the water tank, a water inlet pipe is fixedly connected to the outer wall of the bottom of the water tank, and the outer surface of the side, away from the water tank, of the water inlet pipe is fixedly sleeved with a first connecting block. According to the spraying machine, the spraying head on the outer wall of the second spraying pipe can be cleaned through the spraying assembly, so that the situation that the spraying head of the spraying machine is blocked is avoided, meanwhile, the height of the first spraying pipe and the height of the second spraying pipe are adjusted through the auxiliary mechanism, the dust suppression range is expanded, and the ideal dust suppression effect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of dust suppression equipment, in particular to a construction site dust suppression device for engineering construction. Background Art

[0002] With the continuous advancement of various construction projects, the problem of dust generated at construction sites has become increasingly prominent. Dust not only affects air quality but also adversely impacts the lives and health of surrounding residents. Therefore, effective dust suppression measures, such as watering, fencing, and dust screens, have become an essential part of construction to ensure environmental quality and public health.

[0003] The patent application with application number CN202323273573.5 discloses a dust suppression device for construction sites for engineering construction, which relates to the technical field of dust suppression equipment, including a base plate, a mounting box is installed on the top of the base plate, and a mounting plate is installed above the inside of the mounting box, and a fixed pipe is installed at the middle position of the top of the mounting plate.

[0004] In summary, when using dust suppression equipment at construction sites, the sprayer nozzle may become clogged. Once the nozzle is clogged, it may cause mechanical failure, which in turn has an adverse effect on the spraying effect. In addition, the coverage of dust suppression equipment has certain limitations. For construction sites with larger areas, it is likely that the ideal dust suppression effect cannot be achieved.

[0005] To this end, we proposed a construction site dust suppression device for engineering construction. Summary of the Invention

[0006] In view of the deficiencies in the prior art, the present invention provides a dust suppression device for construction sites used in engineering construction to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a dust suppression device for construction sites of engineering construction, comprising a support mechanism, the support mechanism comprising a support frame, the bottom outer wall of the support frame being rotatably connected to a universal wheel via a rotating shaft, the top outer wall of the support frame being fixedly connected to a water tank, the outer wall of the water tank being fixedly connected to an inclined plate, a through hole being provided on the outer wall of the water tank on one side close to the inclined plate, the bottom outer wall of the water tank being fixedly connected to a water inlet pipe, the outer surface of the water inlet pipe being fixedly sleeved with a first connecting block on a side away from the water tank, the side of the first connecting block being fixedly connected to the support frame away from the water inlet pipe, the top of the water tank being fixedly connected to a drain pipe, a filtering mechanism being provided on the outside of the water tank, the filtering mechanism comprising a fixed block fixedly sleeved with the outer surface of the top of the water tank, the outer surface of the fixed block being provided with a groove, and further comprising: The auxiliary mechanism includes a first rotating frame slidably connected to a fixed block, an inner wall of the first rotating frame is fixedly connected to a first driving motor, an output end of the first driving motor is fixedly connected to a driving wheel, an outer surface of the driving wheel is rotatably connected to the inner wall of the groove, a top outer wall of the first rotating frame is fixedly connected to a connecting rod, an inner wall of an end of the connecting rod away from the first rotating frame is fixedly connected to a second hydraulic rod, an output end of the second hydraulic rod is fixedly connected to a rotating block, a bottom inner wall of the rotating block is rotatably connected to a drain pipe, and a spray assembly is provided on the outside of the rotating block.

[0008] According to the above technical solution, the top outer wall of the rotating block is fixedly connected to the first spray pipe, the outer wall of the first spray pipe on the side away from the rotating block is fixedly sleeved with a second connecting frame, a second baffle is provided on the top of the second connecting frame, the bottom outer surface of the rotating block is fixedly sleeved with the first connecting frame, the first connecting frame is fixedly connected to the second hydraulic rod on the side away from the rotating block, the second baffle can prevent dust in the air from adhering to the pipe mouth of the first spray pipe, and can also increase the spraying area of ​​the first spray pipe.

[0009] According to the above technical solution, the outer wall of the second baffle close to the rotating block is fixedly connected to a third connecting shaft, the third connecting shaft passes through the second connecting frame, and is fixedly connected to a third spring, and one end of the third spring close to the second baffle is fixedly connected to the second connecting frame, and the third spring is used for resetting the second baffle.

[0010] According to the above technical solution, the spray assembly includes a connecting pipe fixedly connected to the rotating block, the end of the connecting pipe away from the rotating block is fixedly connected to a hose, the end of the hose away from the connecting pipe is fixedly connected to a second spray pipe, the outer wall of the second spray pipe is fixedly connected to a nozzle, the outer surface of the connecting pipe is fixedly sleeved with a second fixed frame, and the second spray pipe performs spraying operations through the nozzle.

[0011] According to the above technical solution, the outer wall of the second fixed frame is fixedly connected to the second drive motor, the output end of the second drive motor passes through the second fixed frame and is fixedly connected to the second rotating frame, the inner wall of the second rotating frame is fixedly connected to the second spray pipe, and the outer wall of the second rotating frame is fixedly connected to the third fixed frame. The second drive motor rotates the second rotating frame to deflect the second spray pipe by a certain angle, thereby changing the spraying range of the second spray pipe.

[0012] According to the above technical solution, a push rod is fixedly connected to the inner wall of the third fixed frame, the output end of the push rod is fixedly connected to the third connecting frame, and the outer wall of the third connecting frame close to the nozzle is fixedly connected to bristles, and the bristles clean the nozzle.

[0013] According to the above technical solution, the bottom of the fixed block is fixedly connected to the first connecting shaft, the outer surface of the first connecting shaft is slidably connected to the first fixing bracket, the inner wall of the first fixing bracket is fixedly connected to the first hydraulic rod, the output end of the first hydraulic rod is fixedly connected to the first baffle, the bottom outer wall of the first fixing bracket is fixedly connected to the first spring, the end of the first spring away from the first fixing bracket is fixedly connected to the first connecting shaft, and the first spring has a vibration reduction effect on the first fixing bracket.

[0014] According to the above technical solution, the first baffle is fixedly connected to the second connecting shaft, the outer surface of the second connecting shaft is slidably connected to the filter plate, the bottom outer wall of the filter plate is fixedly connected to the second spring, and the end of the second spring away from the filter plate is fixedly connected to the second connecting shaft. The second spring allows the filter plate to generate a certain vibration, thereby preventing larger impurities from clogging the filter plate.

[0015] Compared with the prior art, the present invention provides a construction site dust suppression device for engineering construction, which has the following beneficial effects: 1. The present invention provides a dust suppression device for construction sites for engineering construction. When the dust suppression equipment is used at the construction site, the nozzle on the outer wall of the second spray pipe can be cleaned by the spray assembly to avoid the nozzle blockage of the sprayer. At the same time, the height of the first spray pipe and the second spray pipe can be adjusted with the help of an auxiliary mechanism, thereby expanding the dust suppression range to achieve an ideal dust suppression effect.

[0016] 2. The present invention provides a through hole and a first baffle. During the spraying operation, the inclined plate can gather water on the outer wall of the water tank. At the same time, the first baffle is pulled upward by the first hydraulic rod, so that the water flowing along the outer wall of the water tank can flow into the interior of the water tank through the through hole. The water can be reused after being filtered by the filter plate, thereby saving a certain amount of water resources.

[0017] 3. The present invention provides a filtering mechanism to filter the water inside the water tank through the filter plate, thereby preventing debris in the water from clogging the nozzle. At the same time, the filter plate is vibrated during the filtering process with the help of a second spring, thereby preventing the filter plate from clogging.

[0018] 4. The present invention sets a spray assembly, and after the rotating block is lifted to a certain height by the second connecting rod, a water pump is used to inject the water inside the water tank into the first spray pipe and the second spray pipe through the rotating block. Subsequently, the first spray pipe and the second spray pipe are used to perform spraying operations. At the same time, the second drive motor drives the second rotating frame to drive the second drive pipe to flip, thereby changing the spraying angle of the second spray pipe. In addition, the first drive motor rotates the first rotating frame through the driving wheel, so that the second spray pipe can perform spraying operations within a certain range. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall front structure of the present invention; Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 3 It is a schematic structural diagram of the support mechanism of the present invention; Figure 4 It is a schematic structural diagram of the filtering mechanism and auxiliary mechanism of the present invention; Figure 5 It is a schematic structural diagram of the filtering mechanism of the present invention; Figure 6 It is a schematic structural diagram of the auxiliary mechanism of the present invention; Figure 7 It is a schematic structural diagram of the auxiliary mechanism of the present invention; Figure 8 It is a schematic structural diagram of the spray assembly of the present invention; Figure 9 For the present invention Figure 2 Schematic diagram of the enlarged structure of A in the middle.

[0020] In the figure: 1. Support mechanism; 101. Support frame; 102. Universal wheel; 103. Water tank; 104. Water inlet pipe; 105. First connecting block; 106. Inclined plate; 107. Through hole; 108. Drain pipe; 2. Filter mechanism; 201. Fixed block; 202. Groove; 203. First connecting shaft; 204. First fixed frame; 205. First hydraulic rod; 206. First spring; 207. First baffle; 208. Filter plate; 209. Second connecting shaft; 210. Second spring; 3. Auxiliary mechanism; 301. First rotating frame; 302. First drive motor; 303. Drive Wheel; 304, connecting rod; 305, second hydraulic rod; 306, rotating block; 307, first connecting frame; 308, first spray pipe; 309, second connecting frame; 310, second baffle; 311, third connecting shaft; 312, third spring; 313, spray assembly; 3131, connecting pipe; 3132, hose; 3133, second spray pipe; 3134, nozzle; 3135, second fixed frame; 3136, second drive motor; 3137, second rotating frame; 3138, third fixed frame; 3139, push rod; 31310, third connecting frame; 31311, bristles. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described 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.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0024] Example 1: See Figure 1-Figure 3 The present invention provides a technical solution: a dust suppression device for construction sites of engineering construction, including a support mechanism 1, the support mechanism 1 includes a support frame 101, the bottom outer wall of the support frame 101 is rotatably connected to a universal wheel 102 through a rotating shaft, the top outer wall of the support frame 101 is fixedly connected to a water tank 103, the outer wall of the water tank 103 is fixedly connected to an inclined plate 106, the inclined plate 106 can make the water on the outer wall of the water tank 103 be collected, a through hole 107 is opened on the outer wall of the water tank 103 close to the inclined plate 106, the bottom outer wall of the water tank 103 is fixedly connected to The water inlet pipe 104 is used to inject water into the water tank 103. The outer surface of the water inlet pipe 104 away from the water tank 103 is fixedly connected with a first connecting block 105. The side of the first connecting block 105 away from the water inlet pipe 104 is fixedly connected to the support frame 101. The top of the water tank 103 is fixedly connected with a drain pipe 108. The outside of the water tank 103 is provided with a filter mechanism 2. The filter mechanism 2 includes a fixed block 201 fixedly connected to the outer surface of the top of the water tank 103. The outer surface of the fixed block 201 is provided with a groove 202. It also includes: The auxiliary mechanism 3 includes a first rotating frame 301 that is slidably connected to the fixed block 201, the inner wall of the first rotating frame 301 is fixedly connected to the first driving motor 302, the output end of the first driving motor 302 is fixedly connected to the driving wheel 303, the first driving motor 302 rotates the first rotating frame 301 through the driving wheel 303, the outer surface of the driving wheel 303 is rotatably connected to the inner wall of the groove 202, the top outer wall of the first rotating frame 301 is fixedly connected to the connecting rod 304, the inner wall of the end of the connecting rod 304 away from the first rotating frame 301 is fixedly connected to the second hydraulic rod 305, the output end of the second hydraulic rod 305 is fixedly connected to the rotating block 306, the water filtered by the filter plate 208 is injected into the interior of the rotating block 306 by a water pump, the bottom inner wall of the rotating block 306 is rotatably connected to the drain pipe 108, and a spray assembly 313 is provided on the outside of the rotating block 306.

[0025] The working principle of this embodiment is as follows: when dust suppression equipment is used for operation at a construction site, water for spraying is first injected into the water tank 103 through the water inlet pipe 104. At the same time, the height of the first spray pipe 308 and the second spray pipe 3133 are adjusted with the help of the auxiliary mechanism 3 to expand the dust suppression range. The first drive motor 302 rotates the first rotating frame 301 through the drive wheel 303, so that the second spray pipe 3133 can perform a dead angle spraying operation within a certain range. When the liquid inside the water tank 103 is insufficient, the inclined plate 106 is used to make the water flowing down the outer wall of the water tank 103 flow back into the water tank 103 through the through hole 107, so as to replenish the water inside the water tank 103.

[0026] Example 2: Please refer to Figure 4-Figure 5 On the basis of the first embodiment, the present invention provides a technical solution: the bottom of the fixed block 201 is fixedly connected to the first connecting shaft 203, the outer surface of the first connecting shaft 203 is slidably connected to the first fixing frame 204, the inner wall of the first fixing frame 204 is fixedly connected to the first hydraulic rod 205, the output end of the first hydraulic rod 205 is fixedly connected to the first baffle 207, the bottom outer wall of the first fixing frame 204 is fixedly connected to the first spring 206, the first spring 206 has a vibration reduction effect on the first fixing frame 204, and the end of the first spring 206 away from the first fixing frame 204 is fixedly connected to the first connecting shaft 203.

[0027] The first baffle 207 is fixedly connected to a second connecting shaft 209, and the outer surface of the second connecting shaft 209 is slidably connected to the filter plate 208. The second spring 210 allows the filter plate 208 to generate a certain vibration, thereby preventing larger impurities from clogging the filter plate 208. The bottom outer wall of the filter plate 208 is fixedly connected to the second spring 210, and the end of the second spring 210 away from the filter plate 208 is fixedly connected to the second connecting shaft 209.

[0028] The working principle of this embodiment is as follows: when water is injected into the water tank 103 through the water inlet pipe 104, the first hydraulic rod 205 pushes the first baffle 207 downward, thereby blocking the through hole 107, and filtering the water inside the water tank 103 through the filter plate 208 to prevent debris in the water from clogging the nozzle 3134. When the filter plate 208 filters the water inside the water tank 103, the filter plate 208 is vibrated with the help of the second spring 210 to prevent the filter plate 208 from being blocked. When the water inside the water tank 103 is insufficient, the first hydraulic rod 205 lifts the first baffle 207 upward, so that the water between the inclined plate 106 and the water tank 103 can flow into the water tank 103, thereby replenishing the water inside the water tank 103.

[0029] Example 3: Please refer to Figure 6-Figure 9 On the basis of Example 1 and Example 2, the present invention provides a technical solution: a first spray pipe 308 is fixedly connected to the top outer wall of the rotating block 306, a second connecting frame 309 is fixedly sleeved on the outer wall of the first spray pipe 308 away from the rotating block 306, a second baffle 310 is provided on the top of the second connecting frame 309, a first connecting frame 307 is fixedly sleeved on the bottom outer surface of the rotating block 306, and the side of the first connecting frame 307 away from the rotating block 306 is fixedly connected to the second hydraulic rod 305, the second baffle 310 can prevent dust in the air from adhering to the pipe mouth of the first spray pipe 308, and can also increase the spraying area of ​​the first spray pipe 308.

[0030] The outer wall of the second baffle 310 close to the rotating block 306 is fixedly connected to the third connecting shaft 311, the third connecting shaft 311 passes through the second connecting frame 309, and is fixedly connected to the third spring 312. The third spring 312 is used for resetting the second baffle 310. One end of the third spring 312 close to the second baffle 310 is fixedly connected to the second connecting frame 309.

[0031] The spray assembly 313 includes a connecting pipe 3131 fixedly connected to the rotating block 306, and the end of the connecting pipe 3131 away from the rotating block 306 is fixedly connected to the hose 3132, and the end of the hose 3132 away from the connecting pipe 3131 is fixedly connected to the second spray pipe 3133. The second spray pipe 3133 operates the nozzle 3134 through spraying. The outer wall of the second spray pipe 3133 is fixedly connected to the nozzle 3134, and the outer surface of the connecting pipe 3131 is fixedly sleeved with a second fixing frame 3135.

[0032] The outer wall of the second fixed frame 3135 is fixedly connected to the second drive motor 3136, the output end of the second drive motor 3136 passes through the second fixed frame 3135 and is fixedly connected to the second rotating frame 3137, the inner wall of the second rotating frame 3137 is fixedly connected to the second spray pipe 3133, and the second drive motor 3136 rotates the second rotating frame 3137 to deflect the second spray pipe 3133 by a certain angle, thereby changing the spraying range of the second spray pipe 3133, and the outer wall of the second rotating frame 3137 is fixedly connected to the third fixed frame 3138.

[0033] The inner wall of the third fixed frame 3138 is fixedly connected to a push rod 3139, the output end of the push rod 3139 is fixedly connected to the third connecting frame 31310, and the outer wall of the third connecting frame 31310 on one side close to the nozzle 3134 is fixedly connected to bristles 31311, which clean the nozzle 3134.

[0034] The working principle of this embodiment is: when the spraying operation is performed, on the one hand, the second rotating frame 3137 is driven by the second driving motor 3136 to drive the second spray pipe 3133 to rotate at a certain angle; on the other hand, the third connecting frame 31310 is pushed by the push rod 3139, and the spray head 3134 is cleaned by the bristles 31311. At the same time, the water pump injects the water inside the rotating block 306 into the first spray pipe 308, and the first spray pipe 308 generates a thrust on the second baffle 310, so that the water inside the first spray pipe 308 can splash around. In addition, the first driving motor 302 causes the first rotating frame 301 to slide along the outer wall of the fixed block 201 through the driving wheel 303, thereby reducing the blind spots in the spraying operation of the second spray pipe 3133.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A construction site dust suppression device for engineering construction, comprising a support mechanism (1), the support mechanism (1) comprising a support frame (101), the bottom outer wall of the support frame (101) being rotatably connected to a universal wheel (102) via a rotating shaft, the top outer wall of the support frame (101) being fixedly connected to a water tank (103), the outer wall of the water tank (103) being fixedly connected to an inclined plate (106), a through hole (107) being provided on the outer wall of one side of the water tank (103) close to the inclined plate (106), and the bottom outer wall of the water tank (103) being fixedly connected to a water inlet pipe (104), A first connection block (105) is fixedly sleeved on the outer surface of a side of the water inlet pipe (104) away from the water tank (103); the side of the first connection block (105) away from the water inlet pipe (104) is fixedly connected to the support frame (101); a drainage pipe (108) is fixedly connected to the top of the water tank (103); a filtering mechanism (2) is arranged outside the water tank (103); the filtering mechanism (2) comprises a fixed block (201) fixedly sleeved on the outer surface of the top of the water tank (103); a groove (202) is provided on the outer surface of the fixed block (201), and the characteristic is that: Also included are: The auxiliary mechanism (3) comprises a first rotating frame (301) slidably connected to a fixed block (201); a first driving motor (302) is fixedly connected to the inner wall of the first rotating frame (301); a driving wheel (303) is fixedly connected to the output end of the first driving motor (302); an outer surface of the driving wheel (303) is rotatably connected to the inner wall of the groove (202); a connecting rod (304) is fixedly connected to the top outer wall of the first rotating frame (301); a second hydraulic rod (305) is fixedly connected to the inner wall of an end of the connecting rod (304) away from the first rotating frame (301); a rotating block (306) is fixedly connected to the output end of the second hydraulic rod (305); a bottom inner wall of the rotating block (306) is rotatably connected to a drain pipe (108); and a spray assembly (313) is arranged outside the rotating block (306).

2. A construction site dust suppression device for engineering construction according to claim 1, characterized in that: A first spray pipe (308) is fixedly connected to the top outer wall of the rotating block (306); a second connecting frame (309) is fixedly sleeved on the outer wall of the first spray pipe (308) on a side away from the rotating block (306); a second baffle (310) is provided on the top of the second connecting frame (309); a first connecting frame (307) is fixedly sleeved on the bottom outer surface of the rotating block (306); and a side of the first connecting frame (307) away from the rotating block (306) is fixedly connected to the second hydraulic rod (305).

3. A construction site dust suppression device for engineering construction according to claim 2, characterized in that: A third connecting shaft (311) is fixedly connected to an outer wall of one side of the second baffle plate (310) close to the rotating block (306); the third connecting shaft (311) passes through the second connecting frame (309) and is fixedly connected to a third spring (312); one end of the third spring (312) close to the second baffle plate (310) is fixedly connected to the second connecting frame (309).

4. A construction site dust suppression device for engineering construction according to claim 1, characterized in that: The spray assembly (313) comprises a connecting pipe (3131) fixedly connected to the rotating block (306); one end of the connecting pipe (3131) away from the rotating block (306) is fixedly connected to a hose (3132); one end of the hose (3132) away from the connecting pipe (3131) is fixedly connected to a second spray pipe (3133); a spray head (3134) is fixedly connected to the outer wall of the second spray pipe (3133); and a second fixing frame (3135) is fixedly sleeved on the outer surface of the connecting pipe (3131).

5. A construction site dust suppression device for engineering construction according to claim 4, characterized in that: The outer wall of the second fixed frame (3135) is fixedly connected to the second drive motor (3136), the output end of the second drive motor (3136) passes through the second fixed frame (3135) and is fixedly connected to the second rotating frame (3137), the inner wall of the second rotating frame (3137) is fixedly connected to the second spray pipe (3133), and the outer wall of the second rotating frame (3137) is fixedly connected to the third fixed frame (3138).

6. A construction site dust suppression device for engineering construction according to claim 5, characterized in that: The inner wall of the third fixed frame (3138) is fixedly connected to a push rod (3139), the output end of the push rod (3139) is fixedly connected to a third connecting frame (31310), and the outer wall of the third connecting frame (31310) on one side close to the nozzle (3134) is fixedly connected to bristles (31311).

7. A construction site dust suppression device for engineering construction according to claim 1, characterized in that: The bottom of the fixed block (201) is fixedly connected to a first connecting shaft (203); the outer surface of the first connecting shaft (203) is slidably connected to a first fixing frame (204); the inner wall of the first fixing frame (204) is fixedly connected to a first hydraulic rod (205); the output end of the first hydraulic rod (205) is fixedly connected to a first baffle (207); the outer wall of the bottom of the first fixing frame (204) is fixedly connected to a first spring (206); and one end of the first spring (206) away from the first fixing frame (204) is fixedly connected to the first connecting shaft (203).

8. A construction site dust suppression device for engineering construction according to claim 7, characterized in that: The first baffle plate (207) is fixedly connected to a second connecting shaft (209), the outer surface of the second connecting shaft (209) is slidably connected to a filter plate (208), the bottom outer wall of the filter plate (208) is fixedly connected to a second spring (210), and one end of the second spring (210) away from the filter plate (208) is fixedly connected to the second connecting shaft (209).

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