Gravel screening device for civil engineering
By installing a rotatable water spray dust reduction mechanism on the top of the vibrating screen body of the sand and gravel screening device, the problems of dust pollution and small spray range are solved, and a wider dust reduction effect is achieved.
Patent Information
- Application Number
- CN202421154841.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing sand and gravel screening devices are prone to dust pollution during the screening process, and the existing nozzles have fixed spray angles, resulting in a small spray range and poor dust reduction effect.
A sand and gravel screening device for civil engineering is designed, and a water spray dust reduction mechanism is installed at the top of the vibrating screen body, including a rotatable mounting plate, water pipe and spray head, and the single pendulum movement of the mounting plate is realized through the driving mechanism. , expand the injection range.
The spraying water at both ends of the feed port of the screening device is sprayed through the water spray dust reduction mechanism, which effectively avoids the generation and diffusion of dust. The swing design of the spray head expands the spray range and significantly improves the dust reduction effect.
Smart Images
Figure CN222519124U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to sand and gravel screening, in particular to a sand and gravel screening device for civil engineering. Background Art
[0002] Sand and gravel refer to a loose mixture of sand and crushed stone. In geology, mineral or rock particles with a particle size of 0.074 to 2 mm are called sand, and particles with a particle size greater than 2 mm are called gravel or angular gravel. In the use of sand and gravel, a sand and gravel screening device is needed to classify sand and gravel according to particle size, and the existing screening devices often use open inlets and outlets, which are prone to dust pollution; and the existing ones also use water spraying to reduce dust, but the existing nozzles have a certain spray angle, resulting in a small spray range. Summary of the invention
[0003] In order to solve the problem that the existing technology also uses water spraying to reduce dust, but the spraying angle of the existing nozzle is fixed, resulting in a small spraying range, the utility model provides a sand and gravel screening device for civil engineering.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0005] The utility model discloses a sand and gravel screening device for civil engineering, comprising a base, a plurality of support columns are arranged on the base, and an open vibrating screen body is installed on the top of the plurality of support columns via a spring seat, the vibrating screen body is arranged in an inclined manner, the support columns are fixed via a mounting frame, and a water spraying and dust reduction mechanism is installed on the upper and lower sides of the topmost end of the vibrating screen body, and the water spraying and dust reduction mechanism comprises a mounting plate, and circular shafts are arranged at both ends of the mounting plate, the circular shafts are rotatably connected with the mounting frame via a mounting seat, a water pipe arranged transversely is arranged on the mounting plate, and a plurality of spray heads are arranged on the water pipe, and a driving mechanism for synchronously driving the mounting plates in two water spraying and dust reduction mechanisms to perform a single pendulum motion is arranged on the support columns.
[0006] As a preferred technical solution of the utility model, the mounting plates in the two water spraying and dust reduction mechanisms swing up and down.
[0007] As a preferred technical solution of the utility model, the driving mechanism includes a positioning frame arranged on a support column, and the positioning frame is provided with a seesaw, a limiting sleeve is fixed on the mounting frame, a moving rod that moves up and down along the limiting sleeve is provided in the limiting sleeve, and the shaft end of the circular shaft is fixedly connected with a connecting piece, and a first connecting rod is hinged between the moving rod and the connecting piece, through grooves are provided at both end portions of the seesaw, and a movable block that moves along the through groove is provided on the moving rod.
[0008] As a preferred technical solution of the utility model, a motion mechanism for driving the rocker to move is provided on the positioning frame, and the motion mechanism includes a reduction motor arranged on the positioning frame, and a disc is provided on the output shaft of the reduction motor, and an eccentrically arranged column is provided on the disc, and a second connecting rod is hinged between the column and the rocker.
[0009] As a preferred technical solution of the utility model, a spray dust removal mechanism is also provided at the rear end of the vibrating screen body.
[0010] The beneficial effects of the utility model are:
[0011] This type of sand and gravel screening device for civil engineering projects is equipped with water spray dust reduction mechanisms on the upper and lower sides of the top of the vibrating screen body. When the sand and gravel are screened and fed, the water spray dust reduction mechanism can spray water to both ends of the feed port of the vibrating screen body to reduce dust, thereby avoiding the generation of a large amount of dust. The support column is provided with a driving mechanism for synchronously driving the mounting plates in the two water spray dust reduction mechanisms to perform a single pendulum motion, so that the spray head swings with the mounting plate, thereby having a larger spray dust reduction range and a better dust reduction effect. The seesaw moves up and down to achieve the up and down swinging of the mounting plates in the two water spray dust reduction mechanisms, thereby having a better dust removal effect and performing cross dust removal. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0013] Figure 1 This is a structural schematic diagram of a sand and gravel screening device for civil engineering of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of a water spray dust reduction mechanism of a sand and gravel screening device for civil engineering projects of the utility model;
[0015] Figure 3 The utility model is a structural schematic diagram of a driving mechanism of a sand and gravel screening device for civil engineering.
[0016] In the figure: 1. base; 2. support column; 3. spring seat; 4. vibrating screen body; 5. mounting frame; 6. water spray dust suppression mechanism; 7. mounting plate; 8. round shaft; 9. water pipe; 10. spray head; 11. positioning frame; 12. rocker; 13. limit sleeve; 14. moving rod; 15. connecting piece; 16. first connecting rod; 17. through groove; 18. movable block; 19. reduction motor; 20. disc; 21. column; 22. second connecting rod. DETAILED DESCRIPTION
[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0018] Example: Figure 1 , Figure 2 and Figure 3 As shown, the utility model is a sand and gravel screening device for civil engineering, comprising a base 1, a plurality of support columns 2 are provided on the base 1, and an open vibrating screen body 4 is installed on the top of the plurality of support columns 2 via a spring seat 3, the vibrating screen body 4 is inclined, the support columns 2 are fixed via a mounting frame 5, and a water spraying and dust reduction mechanism 6 is installed on the upper and lower sides of the top of the vibrating screen body 4, and the water spraying and dust reduction mechanism 6 comprises a mounting plate 7, and circular shafts 8 are provided at both ends of the mounting plate 7, the circular shaft 8 is rotatably connected to the mounting frame 5 via a mounting seat, and a transversely arranged water pipe 9 is installed on the mounting plate 7, and a plurality of spray heads 10 are installed on the water pipe 9, and a driving mechanism for synchronously driving the mounting plates 7 in the two water spraying and dust reduction mechanisms 6 to perform a single pendulum motion is provided on the support column 2. By installing water spraying and dust reduction mechanisms 6 on the upper and lower sides of the top of the vibrating screen body 4, when screening and feeding sand and gravel, the water spraying and dust reduction mechanisms 6 can spray water to both ends of the feed port of the vibrating screen body 4 to reduce dust, thereby avoiding the generation of a large amount of dust. A driving mechanism for synchronously driving the mounting plates 7 in the two water spraying and dust reduction mechanisms 6 to perform a single pendulum motion is provided on the support column 2, so that the spray head swings with the mounting plate 7, thereby having a larger spray dust reduction range and thus having a better dust reduction effect.
[0019] Among them, the mounting plates in the two water spray dust reduction mechanisms 6 swing up and down, thereby having a better dust removal effect and performing cross dust removal.
[0020] Among them, the driving mechanism includes a positioning frame 11 arranged on a support column 2, and the positioning frame 11 is provided with a seesaw 12, a limiting sleeve 13 is fixed on the mounting frame 5, a moving rod 14 moving up and down along the limiting sleeve 13 is provided in the limiting sleeve 13, and the axial end of the circular shaft 8 is fixedly connected with a connecting piece 15, and a first connecting rod 16 is hinged between the moving rod 14 and the connecting piece 15, and the two end portions of the seesaw 12 are provided with through grooves 17, and the moving rod 14 is provided with a movable block 18 moving along the through groove 17. The seesaw moves up and down to realize the up and down swinging of the mounting plates in the two water spraying and dust reduction mechanisms, and the swinging of the seesaw drives the moving rod to move up and down, and the moving rod that moves up and down drives the mounting plate to swing periodically through the first connecting rod.
[0021] Among them, the positioning frame 11 is provided with a motion mechanism for driving the rocker 12 to move, and the motion mechanism includes a reduction motor 19 arranged on the positioning frame 11, and a disc 20 is provided on the output shaft of the reduction motor 19, and an eccentrically arranged column 21 is provided on the disc 20, and a second connecting rod 22 is hinged between the column 21 and the rocker 12, and the disc drives the column to eccentrically move, thereby driving the rocker to swing up and down through the second connecting rod.
[0022] Among them, the rear end of the vibrating screen body 4 is also provided with a spray dust removal mechanism. The spray dust removal mechanism has the same main structure as the water spray dust reduction mechanism 6, but there is no driving mechanism to drive the mounting plate 7 to perform a single pendulum motion. The mounting plate is fixed, so its specific structure is not repeated here.
[0023] When working, this kind of sand and gravel screening device for civil engineering projects has water spraying and dust reduction mechanisms 6 installed on the upper and lower sides of the top of the vibrating screen body 4. When the sand and gravel are screened and fed, the water spraying and dust reduction mechanisms 6 can spray water to both ends of the feed port of the vibrating screen body 4 to reduce dust, thereby avoiding the generation of a large amount of dust. A driving mechanism for synchronously driving the mounting plates 7 in the two water spraying and dust reduction mechanisms 6 to perform a single pendulum motion is provided on the support column 2, so that the spray head swings with the mounting plate 7, thereby having a larger spray dust reduction range and thus having a better dust reduction effect.
[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A sand and gravel screening device for civil engineering, characterized in that: The invention comprises a base (1), wherein a plurality of support columns (2) are provided on the base (1), and an open vibrating screen body (4) is installed on the top of the plurality of support columns (2) via a spring seat (3), wherein the vibrating screen body (4) is arranged in an inclined manner, and the support columns (2) are fixed via a mounting frame (5) with a water spray dust reduction mechanism (6) installed on the upper and lower sides of the topmost portion of the vibrating screen body (4), and the water spray dust reduction mechanism (6) comprises a mounting plate (7), and a circular shaft (8) is provided at both ends of the mounting plate (7), and the circular shaft (8) is rotatably connected to the mounting frame (5) via a mounting seat, and a water pipe (9) arranged horizontally is installed on the mounting plate (7), and a plurality of spray heads (10) are installed on the water pipe (9), and a driving mechanism for synchronously driving the mounting plates (7) in two water spray dust reduction mechanisms (6) to perform single-plate movement is provided on the support columns (2).
2. A sand and gravel screening device for civil engineering according to claim 1, characterized in that: The mounting plates in the two water spraying and dust suppression mechanisms (6) swing up and down.
3. A sand and gravel screening device for civil engineering according to claim 2, characterized in that: The driving mechanism comprises a positioning frame (11) arranged on a supporting column (2), and a seesaw (12) is arranged on the positioning frame (11), a limiting sleeve (13) is fixed on the mounting frame (5), a moving rod (14) is arranged in the limiting sleeve (13) and moves up and down along the limiting sleeve (13), and a connecting piece (15) is fixedly connected to the shaft end of the circular shaft (8), and a first connecting rod (16) is hinged between the moving rod (14) and the connecting piece (15), through grooves (17) are arranged at both end portions of the seesaw (12), and a movable block (18) is arranged on the moving rod (14) and moves along the through groove (17).
4. A sand and gravel screening device for civil engineering according to claim 3, characterized in that: The positioning frame (11) is provided with a motion mechanism for driving the seesaw (12) to move, and the motion mechanism comprises a reduction motor (19) arranged on the positioning frame (11), and a disc (20) is arranged on the output shaft of the reduction motor (19), and an eccentrically arranged column (21) is arranged on the disc (20), and a second connecting rod (22) is hinged between the column (21) and the seesaw (12).
5. The sand and gravel screening device for civil engineering according to claim 1, characterized in that: The rear end of the vibrating screen body (4) is also provided with a spray dust removal mechanism.