Concrete closed dustproof spraying device
By introducing casters and drive components into the concrete spraying device, the angle and direction of the nozzles can be flexibly adjusted, solving the problem of fixed spray angle and improving user experience and cleaning efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-07
AI Technical Summary
The spray angle of the nozzles in existing concrete spraying devices is fixed and cannot be flexibly adjusted, resulting in a poor user experience.
A closed-type dust suppression spraying device for concrete was designed, comprising a main body of the spraying device, casters, a spray box, a sliding rod, and a drive assembly. The device moves to the target position via the casters, sprays water using a water pump, and adjusts the angle and direction of the sliding rod and nozzles via the drive assembly to achieve flexible spraying.
It improves the ease of adjusting the spray angle and direction, enhances the user experience, reduces the difficulty of operation and spray instability, and improves cleaning efficiency.
Smart Images

Figure CN224086357U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of spraying devices, and in particular to a closed dust-proof spraying device for concrete. Background Technology
[0002] Environmental protection is of great importance. While making better use of natural resources, it is crucial to deeply understand the root causes and harms of pollution and environmental damage, to protect the environment in a planned manner, to prevent the deterioration of environmental quality, to control environmental pollution, to promote the harmonious development of humanity and the environment, to improve the quality of human life, to protect human health, and to benefit future generations. Currently, at construction sites, a large amount of concrete dust floats in the air. Long-term inhalation of this dust by workers can have adverse effects on their health. Therefore, mist cannons are generally used on-site to spray water mist to suppress dust.
[0003] Chinese utility model patent CN216023858U discloses a concrete spraying dust suppression device for construction engineering, including a spray box with a T-pipe fixedly inserted inside. A spraying assembly is located at the top of the spray box, and a control assembly is located inside the T-pipe. A box body is fixedly connected to the bottom of the T-pipe, and a conventional water pipe and a backup water pipe are connected to both sides of the T-pipe. An alarm assembly is located inside the spray box. Under normal circumstances, an arc-shaped baffle blocks the backup water pipe, and the conventional water pipe injects water into the T-pipe to spray the concrete and reduce dust. When excessive scale buildup in the conventional water pipe reduces the water flow, the pressure sensor experiences a pressure drop, triggering a control cylinder that drives a rack and pinion gear to rotate, causing the arc-shaped baffle to rotate 180 degrees, blocking the conventional water pipe. The backup water pipe then injects water into the T-pipe, allowing workers to replace the conventional water pipe promptly without stopping the spraying device and interfering with the spraying rate.
[0004] Regarding the aforementioned technologies, the inventors believe that the following defects exist: the above-mentioned devices spray concrete through nozzles fixedly installed on the top of the spray box. The spraying angle of the nozzles is fixed, and the staff can only adjust the spraying angle of the nozzles by changing the overall angle of the spray box, resulting in a poor user experience. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a closed-loop dust suppression spraying device for concrete.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a sealed concrete dust suppression spraying device, comprising a hollow spraying device body and casters at the bottom of the spraying device body. A spraying box is provided on the inner bottom wall of the spraying device body, and an inlet pipe is connected to the spraying box. The other end of the inlet pipe extends to the outside of the spraying device body. An outlet pipe is connected to the spraying box, and a water pump is connected to the outlet pipe. A hollow sliding rod is connected to the end of the outlet pipe, and multiple nozzles are connected to the sliding rod. A sliding groove is provided on the side wall of the spraying device body, and the sliding rod is slidably connected to the sliding groove. A drive assembly for driving the sliding rod is provided on the spraying device body.
[0007] By adopting the above technical solution, when workers need to clean concrete dust, they simply move the main body of the spraying device to the target position using the casters and turn on the water pump. This allows water from the spray tank to be sprayed outwards through the outlet pipe and nozzles, thus cleaning the dust near the main body of the spraying device. Subsequently, when workers need to adjust the spray angle of the nozzles, they activate the drive assembly. This causes the sliding rod to move along the extension direction of the sliding groove under the action of the drive assembly, thereby moving the nozzles along the sliding rods and adjusting the spray angle of the nozzles, thus improving the user experience.
[0008] Furthermore, handrails are connected to the two opposite side walls of the main body of the spray device to reduce the difficulty for workers to move the main body of the spray device, and grip bars are installed on the side walls where the two handrails are close to each other.
[0009] By adopting the above technical solution, when the staff needs to move the position of the main body of the sprinkler device, the staff only needs to close the locking device on the caster wheel and push the handle, so that the main body of the sprinkler device can move with the handle, thereby reducing the difficulty of operation for the staff.
[0010] Furthermore, the drive assembly includes a first connecting rope with one end fixed to one side wall of the sliding rod, a second connecting rope with one end fixed to the other side wall of the sliding rod, a first drive ring slidably disposed on the grip, a second drive ring slidably disposed on the grip, and a fixing device disposed on the grip for fixing the first drive ring and the second drive ring. The other end of the first connecting rope is fixed to the first drive ring, and the other end of the second connecting rope is fixed to the second drive ring.
[0011] By adopting the above technical solution, when the operator needs to adjust the spray direction of the nozzle, they only need to simultaneously turn both threaded rods to close the fixing device. Then, the operator simply slides the first or second drive ring according to the direction to be adjusted, causing the first or second connecting rope to move along the corresponding drive ring. This moves the sliding rod along the first or second connecting rope, which in turn moves it along the extension direction of the sliding groove, causing the nozzle to follow the sliding rod and thus adjusting the spray direction of the nozzle.
[0012] Furthermore, the fixing device includes a fixing block fixed in the middle of the grip and two threaded rods symmetrically threaded to the upper surface of the fixing block, and a connecting groove is provided on the two opposite side walls of the fixing block.
[0013] Furthermore, silicone blocks are fixed to the bottom surfaces of both threaded rods to improve the fixing effect of the threaded rods.
[0014] By adopting the above technical solution, when the first drive rod or the second drive rod moves to the appropriate position, the operator only needs to turn the two threaded rods in sequence to make the two silicone blocks move downwards in sequence with the two threaded rods and press against the first drive rod and the second drive rod respectively, so that the first drive rod and the second drive rod remain stable under the action of the two silicone blocks, and then the first drive rod and the second drive rod remain stable again.
[0015] Furthermore, both of the threaded rods are equipped with handles at their upper ends to reduce the difficulty for workers to turn the threaded rods.
[0016] Furthermore, compression springs are fixed on the two opposite side walls of the sliding rod, and the ends of the two compression springs that are far apart from each other are respectively fixed to the two inner walls opposite to the sliding groove.
[0017] By adopting the above technical solution, the two compression springs improve the stability of the sliding rod, thereby reducing the probability of irregular shaking of the sliding rod when the operator turns on the nozzle, thus improving the stability of the water spray from the nozzle and improving the user experience for the operator.
[0018] Furthermore, elastic bands are fixed on the two inner walls opposite to each other of the sliding groove, and the ends of the two elastic bands that are close to each other are respectively fixed to the two side walls opposite to the sliding rod.
[0019] By adopting the above technical solution, the elastic band reduces the probability of impurities entering the sliding groove, thereby reducing the probability of the sliding rod getting stuck and improving the user experience for staff.
[0020] In summary, this utility model has the following beneficial effects:
[0021] 1. In this application, when workers need to clean concrete dust, they need to move the main body of the spraying device to the target position using the casters and turn on the water pump. This allows water in the spray tank to be sprayed outward through the outlet pipe and nozzles, thereby cleaning the dust near the main body of the spraying device. Subsequently, when workers need to adjust the spray angle of the nozzles, they need to activate the drive assembly. This allows the sliding rod to move along the extension direction of the sliding groove under the action of the drive assembly, thereby causing the nozzles to move with the sliding rods and adjusting the spray angle of the nozzles, thus improving the user experience.
[0022] 2. In this application, when the operator needs to adjust the spray direction of the nozzle, the operator only needs to turn both threaded rods simultaneously to close the fixing device. Subsequently, the operator only needs to slide the first drive ring or the second drive ring according to the direction to be adjusted, so that the first connecting rope or the second connecting rope moves with the corresponding first drive ring or the second drive ring, thereby causing the sliding rod to move with the first connecting rope or the second connecting rope, and then causing the sliding rod to move along the extension direction of the sliding groove, thereby causing the nozzle to move with the sliding rod, thereby adjusting the spray direction of the nozzle;
[0023] 3. In this application, after the first drive rod or the second drive rod moves to the appropriate position, the operator only needs to turn the two threaded rods in sequence to make the two silicone blocks move downwards in sequence with the two threaded rods and press against the first drive rod and the second drive rod respectively, so that the first drive rod and the second drive rod remain stable under the action of the two silicone blocks, and then the first drive rod and the second drive rod remain stable again. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0025] Figure 2 This is a schematic diagram of the water outlet pipe and its connection structure according to an embodiment of the present utility model;
[0026] Figure 3 This is a schematic diagram of the grip and its connection structure according to an embodiment of the present utility model;
[0027] Figure 4 This is a schematic diagram of the fixing device and its connection structure according to an embodiment of the present utility model;
[0028] Figure 5 This is a schematic diagram of the silicone block and its connection structure according to an embodiment of the present invention.
[0029] In the diagram: 1. Main body of the spray device; 11. Casters; 2. Spray box; 21. Inlet pipe; 3. Outlet pipe; 311. Water pump; 31. Sliding rod; 4. Spray head; 41. Sliding groove; 5. Drive assembly; 51. First connecting rope; 52. Second connecting rope; 53. First drive ring; 54. Second drive ring; 6. Fixing device; 61. Fixing block; 62. Threaded rod; 63. Connecting groove; 7. Handrail; 71. Grip bar; 8. Silicone block; 81. Grip; 82. Compression spring; 9. Elastic band. Detailed Implementation
[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0031] like Figure 1-5 As shown in the illustration, this application discloses a sealed concrete dust suppression spraying device, including a spraying device body 1, casters 11, a spray box 2, a water inlet pipe 21, a water outlet pipe 3, a water pump 311, a sliding rod 31, a nozzle 4, a drive assembly 5, a handrail 7, a grip 71, a silicone block 8, a handle 81, and a compression spring 82. The casters 11 are located at the bottom of the spraying device body 1. The spray box 2 is a hollow rectangular structure, mounted on the inner bottom wall of the spraying device body 1. The water inlet pipe 21 is a cylindrical structure, connected to the spray box 2, with the other end extending outside the spraying device body 1 to add water to the spray box 2. The water outlet pipe 3 is a cylindrical structure, connected to the spray box 2, and the water pump 311 is connected to the water outlet pipe 3. The sliding rod 31 is a hollow rod-shaped structure, and the end of the sliding rod 31 is connected to the end of the water outlet pipe 3. Multiple nozzles 4 are provided and arranged sequentially on the sliding rod 31. A sliding groove 41 is provided on the side wall of the main body 1 of the spray device, and the sliding rod 31 is slidably connected to the sliding groove 41.
[0032] Two handrails 7 are provided and symmetrically arranged on two opposite side walls of the main body 1 of the sprinkler device to reduce the difficulty for workers to move the main body 1 of the sprinkler device. The grips 71 are round rod-shaped structures and are installed together on the side walls of the two handrails 7 that are close to each other.
[0033] When the operator needs to move the position of the main body 1 of the sprinkler device, the operator needs to close the locking device on the caster wheel 11 and push the handle 71, so that the main body 1 of the sprinkler device can move with the handle 71, thereby reducing the difficulty of operation for the operator.
[0034] A drive assembly 5 is mounted on the main body 1 of the spray device and is used to drive the sliding rod 31. The drive assembly 5 includes a first connecting rope 51, a second connecting rope 52, a first drive ring 53, a second drive ring 54, and a fixing device 6. One end of the first connecting rope 51 is fixed to one side wall of the sliding rod 31, and the other end of the first connecting rope 51 is fixed to the first drive ring 53. One end of the second connecting rope 52 is fixed to the other side wall of the sliding rod 31, and the other end of the second connecting rope 52 is fixed to the second drive ring 54. The first drive ring 53 is a circular rod-shaped structure and is slidably mounted on the handle 71. The second drive ring 54 is a circular rod-shaped structure and is slidably mounted on the handle 71.
[0035] When the operator needs to adjust the spray direction of the nozzle 4, they only need to simultaneously turn the two threaded rods 62 to close the fixing device 6. Then, the operator simply slides the first drive ring 53 or the second drive ring 54 according to the direction to be adjusted, causing the first connecting rope 51 or the second connecting rope 52 to move along the corresponding first drive ring 53 or second drive ring 54. This causes the sliding rod 31 to move along the first connecting rope 51 or the second connecting rope 52, and further causes the sliding rod 31 to move along the extension direction of the sliding groove 41, thereby causing the nozzle 4 to move along the sliding rod 31, thus adjusting the spray direction of the nozzle 4.
[0036] A fixing device 6 is mounted on the grip 71 to fix the first drive ring 53 and the second drive ring 54. The fixing device 6 includes a fixing block 61 and threaded rods 62. The fixing block 61 is a block structure and is fixed in the middle of the grip 71. Each of the two opposite side walls of the fixing block 61 has a connecting groove 63 that matches the first drive ring 53. Two threaded rods 62 are symmetrically threaded onto the upper surface of the fixing block 61. Two silicone blocks 8 are also block structures and are sequentially mounted on the bottom surfaces of the two threaded rods 62 to improve the fixing effect of the threaded rods 62.
[0037] Once the first or second drive rod has moved to the appropriate position, the operator only needs to turn the two threaded rods 62 in sequence to make the two silicone blocks 8 move downwards in sequence with the two threaded rods 62 and press against the first and second drive rods respectively. This makes the first and second drive rods stable under the action of the two silicone blocks 8, and then makes the first and second drive rods stable again.
[0038] To reduce the difficulty for workers to rotate the threaded rods 62, handles 81 are provided at the upper ends of both threaded rods 62.
[0039] Two compression springs 82 are provided, and one end of each compression spring 82 is fixed to two opposite side walls of the sliding rod 31. The ends of the two compression springs 82 that are far apart from each other are fixed to two opposite inner walls of the sliding groove 41.
[0040] The two compression springs 82 improve the stability of the sliding rod 31, thereby reducing the probability of irregular shaking of the sliding rod 31 when the operator turns on the nozzle 4, thus improving the stability of the water spray from the nozzle 4 and improving the user experience of the operator.
[0041] The elastic band 9 has a strip-shaped structure, and there are two elastic bands 9. One end of each elastic band 9 is fixed to the two opposite inner walls of the sliding groove 41, and the ends of the two elastic bands 9 that are close to each other are fixed to the two opposite side walls of the sliding rod 31. The elastic band 9 reduces the probability of impurities entering the sliding groove 41, thereby reducing the probability of the sliding rod 31 getting stuck, and thus improving the user experience for the staff.
[0042] The operating principle of the sealed concrete dust suppression spraying device in this embodiment is as follows: When workers need to clean concrete dust, they move the main body 1 of the spraying device to the target position using the casters 11 and turn on the water pump 311. This allows water in the spray tank 2 to be sprayed outward through the outlet pipe 3 and the nozzle 4, thereby cleaning the dust near the main body 1 of the spraying device. Subsequently, when workers need to adjust the spray angle of the nozzle 4, they activate the drive assembly 5. This causes the sliding rod 31 to move along the extension direction of the sliding groove 41 under the action of the drive assembly 5, thereby moving the nozzle 4 along the sliding rod 31 and adjusting the spray angle of the nozzle 4, thus improving the user experience.
[0043] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A sealed concrete dust suppression spraying device, comprising a hollow spraying device body (1) and casters (11) disposed at the bottom of the spraying device body (1), characterized in that: A spray box (2) is provided on the inner bottom wall of the main body (1) of the spray device. A water inlet pipe (21) is connected to the spray box (2). The other end of the water inlet pipe (21) extends to the outside of the main body (1) of the spray device. A water outlet pipe (3) is connected to the spray box (2). A water pump (311) is connected to the water outlet pipe (3). A hollow sliding rod (31) is connected to the end of the water outlet pipe (3). Multiple nozzles (4) are connected to the sliding rod (31). A sliding groove (41) is provided on the side wall of the main body (1) of the spray device. The sliding rod (31) is slidably connected to the sliding groove (41). A drive assembly (5) for driving the sliding rod (31) is provided on the main body (1) of the spray device.
2. The concrete enclosed dust suppression spraying device according to claim 1, characterized in that: The main body (1) of the spray device is equipped with handrails (7) on two opposite side walls to reduce the difficulty for workers to move the main body (1) of the spray device. The two handrails (7) are connected together on the side walls that are close to each other. A grip bar (71) is installed on both of them.
3. The sealed dust suppression spraying device for concrete according to claim 2, characterized in that: The drive assembly (5) includes a first connecting rope (51) with one end fixed to one side wall of the sliding rod (31), a second connecting rope (52) with one end fixed to the other side wall of the sliding rod (31), a first drive ring (53) slidably disposed on the grip (71), a second drive ring (54) slidably disposed on the grip (71), and a fixing device (6) disposed on the grip (71) for fixing the first drive ring (53) and the second drive ring (54). The other end of the first connecting rope (51) is fixed to the first drive ring (53), and the other end of the second connecting rope (52) is fixed to the second drive ring (54).
4. A sealed concrete dust suppression spraying device according to claim 3, characterized in that: The fixing device (6) includes a fixing block (61) fixed in the middle of the handle (71) and two threaded rods (62) symmetrically threaded to the upper surface of the fixing block (61). The fixing block (61) has a connecting groove (63) on its two opposite side walls.
5. A sealed concrete dust suppression spraying device according to claim 4, characterized in that: Both of the threaded rods (62) have silicone blocks (8) fixed to their bottom surfaces to improve the fixing effect of the threaded rods (62).
6. A sealed concrete dust suppression spraying device according to claim 5, characterized in that: Both of the threaded rods (62) are provided with handles (81) at their upper ends to reduce the difficulty for workers to turn the threaded rods (62).
7. A sealed concrete dust suppression spraying device according to claim 6, characterized in that: Compression springs (82) are fixed on the two opposite side walls of the sliding rod (31), and the ends of the two compression springs (82) that are far apart from each other are fixed to the two inner walls opposite to the sliding groove (41).
8. A sealed concrete dust suppression spraying device according to claim 7, characterized in that: Elastic bands (9) are fixed on the two inner walls opposite to each other of the sliding groove (41), and the ends of the two elastic bands (9) that are close to each other are fixed to the two side walls opposite to the sliding rod (31).
Citation Information
Patent Citations
Concrete spraying dustproof device for constructional engineering
CN216023858U