A dust suppression spraying device for concrete preparation
By designing the lifting plate, return spring, and support column, the problem of requiring multiple people to operate the existing device when it is placed alone is solved, achieving the effect of convenient support by a single person.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING HUAIJIAN CONCRETE CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-05-26
AI Technical Summary
Existing dust suppression spraying devices for concrete preparation require multiple operators and are inconvenient to use when placed alone.
A device comprising a lifting plate, a return spring, a support column, a support plate, and a fixing component was designed. The support plate is lowered and fixed by stepping on the lifting plate, enabling single-person operation.
It enables a single person to easily support the device, reducing reliance on other staff and improving operational efficiency.
Smart Images
Figure CN224270613U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete preparation technology, and in particular to a spray dust suppression device for concrete preparation. Background Technology
[0002] Concrete is a general term for engineering composite materials in which aggregates are bound together by cementing materials. The term "concrete" usually refers to cement concrete, also known as ordinary concrete, which is made by mixing cement as the cementing material, sand and gravel as aggregates, and water (which may contain admixtures and additives) in a certain proportion. It is widely used in civil engineering. Concrete is characterized by abundant and inexpensive raw materials and a simple production process, leading to its increasing use.
[0003] Chinese utility model patent CN222677591U discloses a spray dust suppression device for concrete preparation, including a spraying component, a telescopic rod, a support block, and self-locking casters. The support block is equipped with a connecting block, and the connecting block is equipped with an auxiliary block. The connecting block is provided with a storage groove, and the storage groove is provided with a first sliding groove. The first sliding groove is equipped with a first spring, and the first spring is equipped with a first limiting block that matches the first sliding groove. The first limiting block is equipped with a first push rod. The auxiliary block is equipped with a rotating shaft, and the rotating shaft is equipped with a support frame. The support frame is provided with a first limiting hole that matches the first limiting block. The auxiliary block is provided with a second sliding groove, and the second sliding groove is equipped with a second spring. The second spring is equipped with a second limiting block that matches the second sliding groove, and the second limiting block is equipped with a second push rod. The support frame is provided with a second limiting hole that matches the second limiting block. When the equipment needs to be placed separately, push the first push rod to drive the first limiting block out of the first limiting hole. At this time, the support frame can be pulled out around the rotation axis. After the support frame is pulled out, it contacts the second limiting block and compresses it back into the second sliding groove. When the second limiting block matches the second limiting hole, the second limiting block pops out under the action of the second spring and inserts into the second limiting hole to fix the support frame.
[0004] Regarding the aforementioned technologies, the inventors believe that the following drawbacks exist: When placing the equipment alone, the first push rod needs to be pulled and the support frame rotated. However, these operations are difficult to complete when the staff supports the device, and often require another staff member to operate, which is inconvenient. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a spray dust suppression device for concrete preparation.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a spray dust suppression device for concrete preparation, comprising a spray component, two fixed pipes spaced apart at the bottom of the spray component, a sliding rod slidably disposed inside the fixed pipe, a base plate shared at the lower end of the two sliding rods, two universal wheels disposed at the bottom of the base plate, a lifting plate slidably disposed on the two sliding rods, a return spring sleeved on the rod body located between the lifting plate and the base plate, two spaced support columns vertically disposed on the bottom surface of the lifting plate, a support plate horizontally disposed at the lower end of the support columns, a mounting seat disposed on the base plate, and a fixing component disposed on the mounting seat for fixing the position of the lifting plate when the bottom surface of the support plate contacts the ground.
[0007] By adopting the above technical solution, which includes a lifting plate, a return spring, a support column, a support plate, and a fixing component, the return spring provides elasticity in the initial state, causing the bottom surface of the lifting plate to move away from the ground, thus enabling the concrete preparation dust suppression spraying device to move. When the concrete preparation dust suppression spraying device needs to be placed alone, the worker moves one foot to the upper part of the lifting plate and then steps on it, causing the lifting plate to descend, which in turn lowers the support column and support plate until the bottom surface of the support plate contacts the ground. The fixing component then secures the lifting plate, thereby fixing the position of the support column and support plate, and ultimately supporting the concrete preparation dust suppression spraying device. No other workers are required to operate this device, making it more convenient.
[0008] Furthermore, the mounting base has a horizontally formed mounting groove, and the fixing component includes a sliding block that is horizontally slidably disposed in the mounting groove. A compression spring is disposed in the mounting groove, one end of which is connected to the bottom of the mounting groove and the other end is connected to the sliding block. The upper edge of the sliding block away from the bottom of the mounting groove has a chamfer.
[0009] By adopting the above technical solution, a sliding block and a compression spring are set. During the descent of the lifting plate, its edge contacts the chamfer. The lifting plate continues to descend, pushing the sliding block to slide completely into the mounting groove. The compression spring is compressed. When the side wall of the lifting plate separates from the sliding block, the compression spring pushes the sliding block to move under the action of elasticity, so that the sliding block is reset. The reset spring provides an upward thrust to the lifting plate, so that the top surface of the lifting plate contacts the bottom surface of the sliding block, and the position of the lifting plate is fixed.
[0010] Furthermore, a slide rail is vertically arranged on the side of the mounting base away from the lifting plate, and a pressure plate is vertically slidably arranged on the slide rail via a slider. A through hole is opened at the bottom of the mounting groove, penetrating the mounting base. A connecting rope is arranged on the side of the sliding block near the bottom of the mounting groove, and the end of the connecting rope away from the sliding block passes through the through hole and connects to the top surface of the pressure plate.
[0011] By adopting the above technical solution, a slide rail, a pressure plate, and a connecting rope are set up. When the worker needs to remove the concrete preparation spray dust suppression device from its isolated state, the worker steps on the pressure plate with one foot, causing the pressure plate to descend. The sliding block is then moved by the connecting rope, and the top surface of the lifting plate separates from the sliding block. The reset spring loses its restraint and pushes the lifting plate, support column, and support plate to reset.
[0012] Furthermore, the mounting base has two vertical plates horizontally spaced apart on the side away from the lifting plate, and a guide roller is horizontally rotatably arranged between the two vertical plates. The outer wall of the guide roller has an annular groove, and the connecting rope cooperates with the annular groove.
[0013] By adopting the above technical solution, a vertical plate, a guide roller, and an annular groove are set up, and the guide roller guides the connecting rope.
[0014] Furthermore, limit grooves are horizontally formed on both sides of the mounting groove, and a limit block connected to the sliding block is slidably disposed in the limit groove.
[0015] By adopting the above technical solution, limiting grooves and limiting blocks are set to limit the sliding stroke of the sliding block and prevent the sliding block from detaching from the mounting groove.
[0016] Furthermore, a limiting ring is fixedly sleeved on the slide rod.
[0017] Furthermore, a foot pedal is provided on the lifting plate.
[0018] In summary, this utility model has the following beneficial effects: In this application, a lifting plate, a return spring, a support column, a support plate, and a fixing assembly are provided. In the initial state, the return spring provides elastic force, causing the bottom surface of the lifting plate to move away from the ground, allowing the concrete preparation spray dust suppression device to move. When the concrete preparation spray dust suppression device needs to be placed alone, the worker moves one foot to the upper part of the lifting plate and then steps on it, causing the lifting plate to descend, which in turn lowers the support column and support plate until the bottom surface of the support plate contacts the ground. The fixing assembly then fixes the lifting plate, thereby fixing the positions of the support column and support plate, and thus supporting the concrete preparation spray dust suppression device. No other workers are required to operate it, making it more convenient. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the base plate and the lifting plate in an embodiment of this utility model;
[0021] Figure 3 This is a schematic diagram of the mounting base and pressure plate in an embodiment of this utility model;
[0022] Figure 4 This is a schematic diagram of the internal structure of the mounting base according to an embodiment of this utility model.
[0023] In the diagram: 10. Sprayer component; 11. Fixed pipe; 12. Slide rod; 13. Base plate; 14. Caster wheel; 20. Lifting plate; 21. Return spring; 22. Support column; 23. Support plate; 24. Foot pedal; 30. Mounting seat; 31. Mounting groove; 32. Limiting groove; 33. Limiting block; 40. Fixed component; 41. Sliding block; 42. Compression spring; 43. Chamfer; 50. Slide rail; 51. Pressure plate; 52. Through hole; 53. Connecting rope; 60. Vertical plate; 61. Guide roller; 62. Annular groove; 70. Limiting ring. Detailed Implementation
[0024] 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.
[0025] like Figure 1-4As shown in the embodiment of this application, a dust suppression spraying device for concrete preparation is disclosed, including a spraying component 10, a return spring 21, a support column 22, a support plate 23, and a fixing assembly 40. Two fixing pipes 11 are spaced apart at the bottom of the spraying component 10. A sliding rod 12 is slidably disposed within each fixing pipe 11. A base plate 13 is commonly disposed at the lower end of the two sliding rods 12, and two casters 14 are disposed at the bottom of the base plate 13. A lifting plate 20 is slidably disposed on both sliding rods 12. Specifically, the lifting plate 20 has two circular holes, which are slidably connected to the corresponding sliding rods 12. A return spring 21 is fitted on the rod 12 located between the lifting plate 20 and the base plate 13. The upper end of the return spring 21 is connected to the bottom surface of the lifting plate 20, and the lower end is connected to the top surface of the base plate 13. Two spaced support columns 22 are vertically arranged on the bottom surface of the lifting plate 20. A support plate 23 is horizontally arranged at the lower end of the support column 22. A mounting base 30 is provided on the base plate 13. A fixing component 40 is provided on the mounting base 30 to fix the position of the lifting plate 20 when the bottom surface of the support plate 23 contacts the ground. In the initial state, the return spring 21 provides elastic force, so that the bottom surface of the lifting plate 20 is away from the ground, and the concrete preparation spray dust suppression device can move. When the concrete preparation dust suppression spraying device needs to be placed independently, the operator moves one foot onto the lifting plate 20 and then steps on it, causing the lifting plate 20 to descend. This lowers the support column 22 and support plate 23 until the bottom surface of the support plate 23 contacts the ground. The fixing component 40 then secures the lifting plate 20, thereby fixing the positions of the support column 22 and support plate 23 and supporting the concrete preparation dust suppression spraying device. No other personnel are required to operate this device, making it more convenient.
[0026] Specifically, a limiting ring 70 is fixedly sleeved on the slide rod 12 to restrict the position of the lifting plate 20 in the initial state. A foot pedal 24 is provided on the lifting plate 20 for easy operation by staff. Stepping on the foot pedal 24 lowers the lifting plate 20. A threaded hole is horizontally opened on the fixed tube 11, and a threaded rod is spirally installed inside the threaded hole. A handle is provided at one end of the threaded rod, and a pressure post is provided at the other end. A rubber sheet is provided at the end of the pressure post away from the threaded rod. Rotating the handle causes the threaded rod to rotate, moving horizontally. When the rubber sheet contacts the slide rod 12, the positions of the pressure post, threaded rod, and fixed tube 11 are fixed (the threaded rod, handle, and pressure post are not shown in the figure).
[0027] During setup, the mounting base 30 has a horizontally opening mounting groove 31. The fixing component 40 includes a sliding block 41 that is horizontally slidably disposed in the mounting groove 31. A compression spring 42 is disposed in the mounting groove 31. One end of the compression spring 42 is connected to the bottom of the mounting groove 31, and the other end is connected to the sliding block 41. A chamfer 43 is provided on the upper edge of the side of the sliding block 41 away from the bottom of the mounting groove 31. During the descent of the lifting plate 20, its edge contacts the chamfer 43. As the lifting plate 20 continues to descend, it pushes the sliding block 41 to slide completely into the mounting groove 31, and the compression spring 42 is compressed. When the side wall of the lifting plate 20 separates from the sliding block 41, the compression spring 42 pushes the sliding block 41 to move under the action of elasticity, so that the sliding block 41 returns to its original position. The return spring 21 provides an upward thrust to the lifting plate 20, so that the top surface of the lifting plate 20 contacts the bottom surface of the sliding block 41, and the position of the lifting plate 20 is fixed. In order to limit the sliding stroke of the sliding block 41 and prevent the sliding block 41 from dislodging from the mounting groove 31, a limiting groove 32 is horizontally opened on both sides of the mounting groove 31. A limiting block 33 connected to the sliding block 41 is slidably arranged in the limiting groove 32. When the sliding block 41 slides, it drives the limiting block 33 to slide in the limiting groove 32.
[0028] In the specific setup, to facilitate the removal of the concrete preparation dust suppression spraying device from its isolated position, a slide rail 50 is vertically installed on the side of the mounting base 30 away from the lifting plate 20. A pressure plate 51 is vertically mounted on the slide rail 50 via a slider. A through hole 52 penetrating the mounting base 30 is opened at the bottom of the mounting groove 31. A connecting rope 53 is installed on the side of the sliding block 41 near the bottom of the mounting groove 31. The end of the connecting rope 53 away from the sliding block 41 passes through the through hole 52 and connects to the top surface of the pressure plate 51. When it is necessary to remove the concrete preparation dust suppression spraying device from its isolated position, the worker steps on the pressure plate 51 with one foot, causing the pressure plate 51 to descend. The sliding block 41 is then moved by the connecting rope 53, separating the top surface of the lifting plate 20 from the sliding block 41. The return spring 21 loses its restraint and pushes the lifting plate 20, support column 22, and support plate 23 back to their original positions. The mounting base 30 is horizontally spaced between two vertical plates 60 on the side away from the lifting plate 20. A guide roller 61 is horizontally rotatably arranged between the two vertical plates 60. The outer wall of the guide roller 61 has an annular groove 62. The connecting rope 53 cooperates with the annular groove 62, and the guide roller 61 guides the connecting rope 53.
[0029] The working principle of the spray dust suppression device for concrete preparation in this embodiment is as follows: The basic function of this device is the same as that of the utility model patent entitled Spray Dust Suppression Device for Concrete Preparation (application number 202222114756.1). The device performs dust suppression by spraying through the spraying component 10, adjusts the height of the device by fixing rod and sliding rod 12, and achieves the effect of auxiliary support by universal wheels 14.
[0030] It is worth noting that when the concrete preparation dust suppression spray device needs to be placed separately, the worker moves one foot to the upper side of the foot pedal 24 and then steps on the foot pedal 24, causing the foot pedal 24 and the lifting plate 20 to descend, which in turn lowers the support column 22 and the support plate 23. During the descent of the lifting plate 20, its edge contacts the chamfer 43. The lifting plate 20 continues to descend, pushing the sliding block 41 to slide completely into the mounting groove 31. The compression spring 42 is compressed. When the side wall of the lifting plate 20 separates from the sliding block 41, the bottom surface of the support plate 23 contacts the ground. Under the action of the elastic force, the compression spring 42 pushes the sliding block 41 to move, causing the sliding block 41 to return to its original position. The return spring 21 provides an upward thrust to the lifting plate 20, causing the top surface of the lifting plate 20 to contact the bottom surface of the sliding block 41. The position of the lifting plate 20 is fixed, which in turn fixes the position of the support column 22 and the support plate 23, thereby supporting the concrete preparation dust suppression spray device.
[0031] When the concrete preparation dust suppression spray device needs to be removed from its isolated state, the worker steps on the pressure plate 51 with one foot, causing the pressure plate 51 to descend and the sliding block 41 to move through the connecting rope 53. The top surface of the lifting plate 20 separates from the sliding block 41, and the return spring 21 loses its restraint and pushes the lifting plate 20, support column 22, and support plate 23 to return to their original positions.
[0032] 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 dust suppression spraying device for concrete preparation, comprising a spraying component (10), wherein two fixed pipes (11) are spaced apart at the bottom of the spraying component (10), and a sliding rod (12) is slidably disposed inside the fixed pipe (11). A base plate (13) is provided at the lower ends of the two sliding rods (12), and two casters (14) are provided at the bottom of the base plate (13). The device is characterized by: A lifting plate (20) is slidably mounted on both sliding rods (12). A return spring (21) is sleeved on the rod of the sliding rod (12) located between the lifting plate (20) and the base plate (13). Two spaced support columns (22) are vertically arranged on the bottom surface of the lifting plate (20). A support plate (23) is horizontally arranged at the lower end of the support column (22). A mounting seat (30) is provided on the base plate (13). A fixing component (40) is provided on the mounting seat (30) to fix the position of the lifting plate (20) when the bottom surface of the support plate (23) contacts the ground.
2. The dust suppression spraying device for concrete preparation according to claim 1, characterized in that: The mounting base (30) has a horizontally opened mounting groove (31). The fixing component (40) includes a sliding block (41) that is horizontally slidably disposed in the mounting groove (31). A compression spring (42) is disposed in the mounting groove (31). One end of the compression spring (42) is connected to the bottom of the mounting groove (31) and the other end is connected to the sliding block (41). A chamfer (43) is opened on the upper edge of the sliding block (41) away from the bottom of the mounting groove (31).
3. The dust suppression spraying device for concrete preparation according to claim 2, characterized in that: The mounting base (30) is vertically provided with a slide rail (50) on the side away from the lifting plate (20). A pressure plate (51) is vertically slidably provided on the slide rail (50) via a slider. The bottom of the mounting groove (31) is provided with a through hole (52) that penetrates the mounting base (30). A connecting rope (53) is provided on the side of the sliding block (41) near the bottom of the mounting groove (31). The end of the connecting rope (53) away from the sliding block (41) passes through the through hole (52) and connects to the top surface of the pressure plate (51).
4. The dust suppression spraying device for concrete preparation according to claim 3, characterized in that: The mounting base (30) has two vertical plates (60) horizontally spaced apart on the side away from the lifting plate (20). A guide roller (61) is horizontally rotatably arranged between the two vertical plates (60). An annular groove (62) is opened on the outer wall of the guide roller (61). The connecting rope (53) cooperates with the annular groove (62).
5. A dust suppression spraying device for concrete preparation according to claim 3, characterized in that: Limiting grooves (32) are also horizontally opened on both sides of the mounting groove (31), and a limiting block (33) connected to the sliding block (41) is slidably arranged in the limiting groove (32).
6. The dust suppression spraying device for concrete preparation according to claim 1, characterized in that: A limiting ring (70) is fixedly sleeved on the slide rod (12).
7. The dust suppression spraying device for concrete preparation according to claim 1, characterized in that: The lifting plate (20) is equipped with a foot pedal (24).