Sand screening device for screening sand in construction and civil engineering
By designing a sand screening device with structures such as pull rods, return springs and sliding grooves, the problem of screening in existing devices is not easy to clean, and the rapid cleaning of screening and the improvement of sand screening efficiency is achieved.
Patent Information
- Application Number
- CN202323661513.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing sand screening device does not have the function of convenient cleaning of screens, which leads to the screens being easily blocked during long-term use. The screens are fixed inside the device, which is inconvenient to clean and reduces the efficiency of sand screening.
A sand screening device including a screening box, a vibration motor, a sand screen shell and a screen body is designed. By setting up mechanical structures such as pull rods, return springs and sliding grooves, the screening screen is easily cleaned.
The screening is quickly cleaned, avoids clogging problems and improves the sand screening efficiency.
Smart Images
Figure CN222551324U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building civil engineering, in particular to a sand screening device used for screening sand in building civil engineering. Background Art
[0002] Architecture and civil engineering are important engineering fields in capital construction. They study and create the morphological environment needed for human life and the construction and improvement of various engineering facilities. As a field of architecture and civil engineering, it not only involves regional and urban planning, the design of industrial and civil buildings, but also involves the survey, design, construction and maintenance of various engineering facilities and environments.
[0003] In construction and civil engineering, a sand screening device is needed when screening sand. The existing sand screening devices do not have the function of conveniently cleaning the screen, which leads to the screen being easily blocked due to the large amount of impurities in the sand when the sand screening device is used for a long time. In addition, the screen is fixed inside the sand screening device, which is not convenient to clean, thereby reducing the sand screening efficiency of the sand screening device. Therefore, we provide a sand screening device for screening sand in construction and civil engineering to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a sand screening device for use in construction and civil engineering projects, which has the advantage of convenient cleaning of the screen, and solves the problem that the existing sand screening device does not have the function of convenient cleaning of the screen, resulting in the screen being easily blocked due to the large amount of impurities in the sand when the sand screening device is used for a long time, and the screen is fixed inside the sand screening device, making it inconvenient to clean.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sand screening device for screening sand in construction and civil engineering, comprising a screening box, the four corners of the bottom of the screening box are fixedly connected to support blocks, the bottom of the inner wall of the screening box is fixedly connected to a material discharging inclined block, the bottom of the left side of the screening box is fixedly connected to a material discharging plate, the bottoms of both sides of the inner wall of the screening box are fixedly connected to a vibration motor, the top of the vibration motor is fixedly connected to a sand screening shell, the bottom of one side of the inner cavity of the sand screening shell is fixedly connected to a screen body, a box cover is provided on the top of the screening box, the top of the box cover is connected to a feeding hopper, first slots are opened on both sides of the box cover, the tops of both sides of the screening box are fixedly connected to the box body, a sliding slot is opened on the inner side of the top of the box body, and the center of the top and bottom of the inner wall of the box body is fixedly connected to a fixing plate, The inner side is fixedly connected with a first return spring, the inner end of the first return spring is fixedly connected with a moving plate, the center of the outer side of the moving plate is fixedly connected with a first pull rod, the outer end of the first pull rod passes through the outside of the box and is fixedly connected to the first pull plate, second slots are opened on both sides of the top of the first pull rod, the inner cavity of the second slot is inserted with a second clamping block, the top of the second clamping block is fixedly connected with a moving block, the top of the moving block is fixedly connected with a second pull rod, the surface of the second pull rod is sleeved with a second return spring, the top of the second pull rod passes through the top of the box and is fixedly connected with the second pull plate, the top of the moving plate is fixedly connected with a sliding plate, the surface of the sliding plate is slidably connected to the inner cavity of the sliding slot, the top of the inner side of the sliding plate is fixedly connected with the first clamping block, and the inner end of the first clamping block passes through the inner cavity of the first clamping slot.
[0006] As a preferred solution, a first guide groove is provided at the bottom of the inner wall of the box body, a first guide block is slidably connected to the inner cavity of the first guide groove, and a top of the first guide block is fixedly connected to the bottom of the movable plate.
[0007] As a preferred solution, a second guide groove is provided at the top of one side of the inner wall of the box body, a second guide block is slidably connected to the inner cavity of the second guide groove, and the inner side of the second guide block is fixedly connected to the surface of the moving block.
[0008] As a preferred solution, a first through groove is opened on the outer side of the box body, and the diameter of the inner cavity of the first through groove is larger than the diameter of the first pull rod.
[0009] As a preferred solution, a second through groove is opened on the outer side of the top of the box body, and the diameter of the inner cavity of the second through groove is larger than the diameter of the second pull rod.
[0010] As a preferred solution, the length and width of the inner cavity of the sliding groove are both greater than the length and width of the sliding plate, and the height of the inner cavity of the sliding groove is less than the height of the sliding plate.
[0011] As a preferred solution, the bottom end of the second return spring is fixedly connected to the top of the moving block, and the top end of the second return spring is fixedly connected to the top of the inner wall of the box body.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model pulls the second pull plate, the second pull plate moves to drive the second pull rod to move, the second pull rod moves to drive the moving block to be squeezed toward the second return spring, the moving block moves to drive the second clamping block to leave the inner cavity of the outer second clamping groove, and then pulls the first pull plate, the first pull plate moves to drive the first pull rod to move, the first pull rod moves to drive the moving plate to be squeezed toward the first return spring, the moving plate moves to drive the sliding plate to slide in the inner cavity of the sliding groove, the sliding plate moves to drive the first clamping block to leave the inner cavity of the first clamping groove, and then releases the second pull plate, the moving block, the second pull rod, the second pull plate and the second clamping block are reset by the elastic force of the second return spring, the second clamping block is reset and clamped into the inner cavity of the inner second clamping groove, the above operation is repeated for the box body on the other side, and then the box cover and the feeding hopper are removed, and finally the impurities on the top of the screen body are cleaned, thereby achieving the advantage of convenient cleaning of the screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a front view of the structure section of the utility model;
[0016] Figure 3 This is an enlarged cross-sectional view of the internal structure of the box of the utility model;
[0017] Figure 4 For this utility model Figure 2 A partial enlarged view of point A.
[0018] In the figure: 1, screening box; 2, supporting block; 3, material discharge inclined block; 4, material discharge plate; 5, vibration motor; 6, sand screening shell; 7, screen body; 8, box cover; 9, feeding hopper; 10, first card slot; 11, box body; 12, sliding slot; 13, fixed plate; 14, first return spring; 15, moving plate; 16, first pull rod; 17, first pull plate; 18, second slot; 19, second card block; 20, moving block; 21, second pull rod; 22, second return spring; 23, second pull plate; 24, sliding plate; 25, first card block; 26, first guide groove; 27, first guide block; 28, second guide groove; 29, second guide block. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4A sand screening device for screening sand in construction and civil engineering comprises a screening box 1, the four corners of the bottom of the screening box 1 are fixedly connected with support blocks 2, the bottom of the inner wall of the screening box 1 is fixedly connected with a material discharging inclined block 3, the bottom of the left side of the screening box 1 is fixedly connected with a material discharging plate 4, the bottoms of both sides of the inner wall of the screening box 1 are fixedly connected with vibration motors 5, the top of the vibration motor 5 is fixedly connected with a sand screening shell 6, the bottom of one side of the inner cavity of the sand screening shell 6 is fixedly connected with a screen body 7, a box cover 8 is arranged on the top of the screening box 1, a feeding hopper 9 is connected to the top of the box cover 8, first card slots 10 are provided on both sides of the box cover 8, the tops of both sides of the screening box 1 are fixedly connected with a box body 11, and a sliding plate 12 is provided on the inner side of the top of the box body 11 The center of the top and bottom of the inner wall of the box body 11 is fixedly connected with a fixed plate 13, the inner side of the fixed plate 13 is fixedly connected with a first return spring 14, the inner end of the first return spring 14 is fixedly connected with a movable plate 15, the center of the outer side of the movable plate 15 is fixedly connected with a first pull rod 16, the outer end of the first pull rod 16 penetrates the outside of the box body 11 and is fixedly connected with a first pull plate 17, and the two sides of the top of the first pull rod 16 are provided with a second card groove 18, the inner cavity of the second card groove 18 is plugged with a second card block 19, the top of the second card block 19 is fixedly connected with a movable block 20, the top of the movable block 20 is fixedly connected with a second pull rod 21, and the surface of the second pull rod 21 is sleeved with a second complex The top of the second pull rod 21 penetrates the top of the box body 11 and is fixedly connected with the second pull plate 23. The top of the moving plate 15 is fixedly connected with the sliding plate 24. The surface of the sliding plate 24 is slidably connected with the inner cavity of the sliding groove 12. The top of the inner side of the sliding plate 24 is fixedly connected with the first clamping block 25. The inner end of the first clamping block 25 penetrates the inner cavity of the first clamping groove 10. By pulling the second pull plate 23, the second pull plate 23 moves to drive the second pull rod 21 to move. The second pull rod 21 moves to drive the moving block 20 to squeeze the second reset spring 22. The moving block 20 moves to drive the second clamping block 19 to leave the inner cavity of the outer second clamping groove 18, and then pull the first pull plate 17. The first pull plate 17 moves. The first pull rod 16 is driven to move, and the movement of the first pull rod 16 drives the moving plate 15 to be squeezed toward the first return spring 14. The movement of the moving plate 15 drives the sliding plate 24 to slide in the inner cavity of the sliding groove 12. The movement of the sliding plate 24 drives the first clamping block 25 to leave the inner cavity of the first clamping groove 10, and then the second pull plate 23 is released. The elastic force of the second return spring 22 resets the moving block 20, the second pull rod 21, the second pull plate 23 and the second clamping block 19, and the second clamping block 19 is reset and clamped into the inner cavity of the inner second clamping groove 18. The above operation is repeated on the box body 11 on the other side, and then the box cover 8 and the feeding hopper 9 are removed. Finally, the impurities on the top of the screen body 7 are cleaned, thereby achieving the advantage of convenient cleaning of the screen.
[0021] A first guide groove 26 is formed at the bottom of the inner wall of the box body 11 . A first guide block 27 is slidably connected to the inner cavity of the first guide groove 26 . The top of the first guide block 27 is fixedly connected to the bottom of the moving plate 15 .
[0022] Through the above technical solution, by providing the first guide groove 26 and the first guide block 27, the movable plate 15 is stabilized during movement, thereby increasing the stability of the movable plate 15 during movement.
[0023] A second guide groove 28 is formed at the top of one side of the inner wall of the box body 11 . A second guide block 29 is slidably connected to the inner cavity of the second guide groove 28 . The inner side of the second guide block 29 is fixedly connected to the surface of the moving block 20 .
[0024] Through the above technical solution, by providing the second guide groove 28 and the second guide block 29, the moving block 20 is stabilized during movement, thereby increasing the stability of the moving block 20 during movement.
[0025] A first through slot is formed on the outer side of the box body 11 , and the diameter of the inner cavity of the first through slot is larger than the diameter of the first pull rod 16 .
[0026] Through the above technical solution, by providing the first through groove, the first pull rod 16 can be easily moved left and right.
[0027] A second through groove is formed on the outer side of the top of the box body 11 , and the diameter of the inner cavity of the second through groove is larger than the diameter of the second pull rod 21 .
[0028] Through the above technical solution, by providing the second through groove, the second pull rod 21 is facilitated to move up and down.
[0029] The length and width of the inner cavity of the sliding groove 12 are both greater than the length and width of the sliding plate 24 , and the height of the inner cavity of the sliding groove 12 is less than the height of the sliding plate 24 .
[0030] Through the above technical solution, by providing the sliding groove 12, the sliding plate 24 can be easily moved left and right.
[0031] The bottom end of the second return spring 22 is fixedly connected to the top of the moving block 20 , and the top end of the second return spring 22 is fixedly connected to the top of the inner wall of the box body 11 .
[0032] Through the above technical solution, by providing the second return spring 22, the moving block 20 is facilitated to return to its original position by elastic force.
[0033] The working principle of the utility model is as follows: first, sand is added into the inner cavity of the feeding hopper 9, and then falls into the inner cavity of the sand screening shell 6, the vibration motor 5 is turned on by the external controller, the vibration motor 5 is started to drive the sand screening shell 6 and the screen body 7 to vibrate, the sand screening shell 6 and the screen body 7 vibrate to screen the sand, the screened sand flows out through the unloading inclined block 3 and the unloading plate 4, and the impurities are on the top of the screen body 7. When cleaning the screen body 7, first pull the second pull plate 23, the movement of the second pull plate 23 drives the second pull rod 21 to move, the movement of the second pull rod 21 drives the moving block 20 to squeeze the second reset spring 22, the moving block 20 moves to drive the second clamping block 19 to leave the inner cavity of the outer second clamping groove 18, and then pull the first pull plate 17 The first pull plate 17 moves to drive the first pull rod 16 to move, and the first pull rod 16 moves to drive the moving plate 15 to be squeezed toward the first return spring 14, and the moving plate 15 moves to drive the sliding plate 24 to slide in the inner cavity of the sliding groove 12, and the sliding plate 24 moves to drive the first clamping block 25 to leave the inner cavity of the first clamping groove 10, and then release the second pull plate 23, and the elastic force of the second return spring 22 resets the moving block 20, the second pull rod 21, the second pull plate 23 and the second clamping block 19, and the second clamping block 19 is reset and clamped into the inner cavity of the inner second clamping groove 18, and the above operation is repeated on the box body 11 on the other side, and then the box cover 8 and the feeding hopper 9 are removed, and finally the impurities on the top of the screen body 7 can be cleaned, thereby achieving the advantage of convenient cleaning of the screen.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sand screening device for use in civil engineering, comprising a screening box (1), characterized in that: The four corners of the bottom of the screening box (1) are fixedly connected to support blocks (2), the bottom of the inner wall of the screening box (1) is fixedly connected to a material discharge inclined block (3), the bottom of the left side of the screening box (1) is fixedly connected to a material discharge plate (4), the bottom of both sides of the inner wall of the screening box (1) are fixedly connected to vibration motors (5), the top of the vibration motor (5) is fixedly connected to a sand screening shell (6), the bottom of one side of the inner cavity of the sand screening shell (6) is fixedly connected to a screen body (7), and the top of the screening box (1) is provided with a box cover (8) The top of the box cover (8) is connected to a hopper (9), both sides of the box cover (8) are provided with first slots (10), the tops of both sides of the screening box (1) are fixedly connected to a box body (11), the inner side of the top of the box body (11) is provided with a sliding slot (12), the center of the top and bottom of the inner wall of the box body (11) are fixedly connected to a fixing plate (13), the inner side of the fixing plate (13) is fixedly connected to a first return spring (14), and the inner end of the first return spring (14) is fixedly connected to a moving plate (15), a first pull rod (16) is fixedly connected at the center of the outer side of the movable plate (15), the outer end of the first pull rod (16) passes through the outside of the box body (11) and is fixedly connected to the first pull plate (17), second card slots (18) are provided on both sides of the top of the first pull rod (16), a second card block (19) is inserted into the inner cavity of the second card slot (18), a movable block (20) is fixedly connected to the top of the second card block (19), and a second pull rod (21) is fixedly connected to the top of the movable block (20). ), the surface of the second pull rod (21) is sleeved with a second return spring (22), the top end of the second pull rod (21) passes through the top of the box body (11) and is fixedly connected to the second pull plate (23), the top of the movable plate (15) is fixedly connected to a sliding plate (24), the surface of the sliding plate (24) is slidably connected to the inner cavity of the sliding groove (12), the top of the inner side of the sliding plate (24) is fixedly connected to a first clamping block (25), and the inner end of the first clamping block (25) passes through the inner cavity of the first clamping groove (10).
2. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: A first guide groove (26) is provided at the bottom of the inner wall of the box body (11), a first guide block (27) is slidably connected to the inner cavity of the first guide groove (26), and the top of the first guide block (27) is fixedly connected to the bottom of the movable plate (15).
3. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: A second guide groove (28) is provided at the top of one side of the inner wall of the box body (11), the inner cavity of the second guide groove (28) is slidably connected to a second guide block (29), and the inner side of the second guide block (29) is fixedly connected to the surface of the moving block (20).
4. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: A first through groove is provided on the outer side of the box body (11), and the diameter of the inner cavity of the first through groove is greater than the diameter of the first pull rod (16).
5. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: A second through groove is provided on the outer side of the top of the box body (11), and the diameter of the inner cavity of the second through groove is greater than the diameter of the second pull rod (21).
6. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: The length and width of the inner cavity of the sliding groove (12) are both greater than the length and width of the sliding plate (24), and the height of the inner cavity of the sliding groove (12) is less than the height of the sliding plate (24).
7. The sand screening device for use in construction and civil engineering according to claim 1, characterized in that: The bottom end of the second return spring (22) is fixedly connected to the top of the moving block (20), and the top end of the second return spring (22) is fixedly connected to the top of the inner wall of the box body (11).