Sand screening device for building construction
Through the use of the linked structure of U -shaped sieve plates, reset rods, cams and knocking balls in the construction of sand screening devices, solve the problem of sand -grained occlusal and dust pollution, and achieve the effect of high -efficiency sand screening and environmental protection.
Patent Information
- Application Number
- CN202323185303.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-23
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2033-11-23
AI Technical Summary
During the use of existing sand screening devices, due to the rough surface of the sand grains, it is prone to occlusion and accumulation, resulting in reduced passivity of the screen, reduced efficiency, and large dust, polluting the environment and affecting the health of construction workers.
A sand screening device for construction is designed, which adopts a U-shaped screen plate and a reset rod structure. Through the linkage of the cam and the knocking ball, the rapid reciprocating movement of the screen plate and bottom knocking are realized to avoid clogging of the filter holes; at the same time, through The linkage between the piston and the atomizing nozzle sprays water mist to cover the dust.
Effectively avoid blocking the screen filter holes, improve the efficiency of sand sieve, reduce dust pollution, and protect the construction environment and workers' health.
Smart Images
Figure CN222385302U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a sand screening device for building construction. Background Art
[0002] Construction refers to the production activities during the implementation stage of engineering construction, and is the construction process of various types of buildings. The main hazards in construction are cement dust, welding manganese dust, paint and other toxic gases. Among them, fine sand is an indispensable material in the process of engineering construction. Fine sand is usually used together with cement. In some projects, due to the high precision requirements, the coarseness of the sand is also very critical.
[0003] However, in the process of using common sand screening devices, due to the rough surface of sand particles, the sand particles will bite during the sand screening process and accumulate in the filter holes, resulting in an arch bridge effect, which affects the passability of the screen and reduces the sand screening efficiency. At the same time, during the sand screening process, a large amount of dust will be generated, which pollutes the environment and affects the health of construction workers. Utility Model Content
[0004] The utility model aims to provide a sand screening device for construction, which has the advantages of dust reduction and anti-clogging, and solves the problem that in the process of sand screening, sand particles will bite and accumulate in the filter holes, resulting in an arch bridge effect, affecting the passability of the screen, reducing the sand screening efficiency and generating large dust, polluting the environment and affecting the health of construction workers.
[0005] To solve the above technical problems, the utility model provides the following technical solutions: a sand screening device for construction, comprising a sand screening box, a screen plate is placed on the inner wall of the sand screening box, the screen plate is set to a U shape, four reset plates are fixedly connected to the front and rear inner walls of the sand screening box, a reset rod is fixedly connected between each two adjacent reset plates, each reset rod is plugged into the adjacent screen plate, and a spring is fixedly connected to a side of each reset plate close to the screen plate, and each spring is in a reset state, two vibration shafts are rotatably connected to the left and right inner walls of the sand screening box through bearings, cams are fixedly connected to the outer surfaces of the two vibration shafts, and each cam is in contact with the bottom of the screen plate, a knocking shaft is rotatably connected to the left and right inner walls of the sand screening box through bearings, a plurality of knocking ropes are fixedly connected to the outer surface of the knocking shaft, and the other end of each knocking rope is fixedly connected to a knocking ball, each knocking ball is in contact with the screen plate, and the knocking shaft The left end is fixedly connected with an eccentric disk, the left side of the eccentric disk is fixedly connected with an eccentric rod, the outer surface of the eccentric rod is slidably connected with a reciprocating block, the front and back of the reciprocating block are fixedly connected with the reciprocating rod, the ends of the two reciprocating rods away from each other are fixedly connected with pistons, the outer surfaces of the two pistons are sleeved with suction cylinders, the outer surfaces of the two suction cylinders are respectively fixedly connected with a liquid inlet pipe and a liquid outlet pipe, a first one-way valve is installed inside each liquid inlet pipe, and a second one-way valve is installed inside each liquid outlet pipe. When the piston moves in a direction close to the eccentric disk, the first one-way valve opens upward and the second one-way valve is closed; when the piston moves in a direction away from the eccentric disk, the first one-way valve is closed and the second one-way valve opens upward, the other ends of the two liquid inlet pipes and the liquid outlet pipes are fixedly connected with hoses, the other ends of the two hoses located at the top are fixedly connected with nozzles, and the outer surfaces of the two nozzles are fixedly connected with multiple atomizing nozzles.
[0006] Furthermore, the front and back sides of the sand screening box are fixedly connected to storage boxes, and the upper surfaces of the two storage boxes are fixedly connected to replenishing pipes.
[0007] By adopting the above technical solution and setting up the replenishing pipe, it is convenient for users to replenish water inside.
[0008] Furthermore, the other ends of the two hoses located at the bottom are fixedly connected to the storage box adjacent thereto, and a material taking port is provided on the left side of the sand screening box.
[0009] By adopting the above technical solution and setting the material taking port, it is convenient for users to take materials.
[0010] Furthermore, the outer surfaces of the two nozzles are fixedly connected with brackets, and the two brackets are fixedly connected to the sand screening box.
[0011] By adopting the above technical solution and setting the bracket, the purpose of supporting the nozzle can be achieved.
[0012] Furthermore, the right ends of the two vibration shafts are fixedly connected with first sprockets, and the two first sprockets are connected by chain transmission.
[0013] By adopting the above technical solution and setting the first sprocket, the purpose of synchronous rotation of the two vibration shafts can be achieved.
[0014] Furthermore, the right end of the vibration shaft and the right end of the striking shaft located at the rear are both fixedly connected to a second sprocket, and the two second sprockets are connected via a chain transmission.
[0015] By adopting the above technical solution and setting the second sprocket, the purpose of transmitting power to the striking shaft can be achieved.
[0016] Furthermore, the left end of the striking shaft located at the front is fixedly connected to the external motor output end, the outer surfaces of the two suction cylinders are fixedly connected with support plates, and the two support plates are fixedly connected to the sand screening box.
[0017] By adopting the above technical solution and setting the support plate, it is possible to avoid the suction cylinder from shaking during the reciprocating motion of the piston.
[0018] Compared with the prior art, the sand screening device for construction has the following beneficial effects:
[0019] 1. The utility model is capable of realizing rapid rotation of the cam by setting a cam, and the screen plate is squeezed to reciprocate up and down under the limit of the reset rod, thereby achieving the screening effect of the screen. In the screening process, the linkage knocking shaft rotates to generate centrifugal force, and the knocking ball is swung to continuously knock on the bottom of the screen plate. The filter holes of the screen plate are prevented from being blocked by vibration, thereby ensuring the passability of the filter plate.
[0020] 2. In the process of sieving by the sieve, the utility model drives the piston to make continuous reciprocating motion by the linkage reciprocating rod, so as to achieve the purpose of absorbing the water source inside the storage box and spraying it through the atomizing nozzle, and achieve the effect of covering the dust by spraying water mist upward, so as to avoid the dust generated by sand screening from polluting the construction environment and protect the health of workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is the left view of the sand screening box of the utility model;
[0022] Figure 2 It is a sectional view of the left side view of the sand screening box of the utility model;
[0023] Figure 3 It is a sectional view of the left side view of the storage box of the utility model;
[0024] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;
[0025] Figure 5 It is the right view of the sand screening box of the utility model.
[0026] In the figure: 1. sand screening box; 2. sieve plate; 3. reset plate; 4. reset rod; 5. spring; 6. vibration shaft; 7. cam; 8. knocking shaft; 9. knocking rope; 10. knocking ball; 11. eccentric disk; 12. eccentric rod; 13. reciprocating block; 14. reciprocating rod; 15. piston; 16. suction cylinder; 17. liquid inlet pipe; 18. liquid outlet pipe; 19. first one-way valve; 20. second one-way valve; 21. hose; 22. spray pipe; 23. atomizing nozzle; 24. storage box; 25. replenishing pipe; 26. material taking port; 27. bracket; 28. first sprocket; 29. second sprocket; 30. support plate. DETAILED DESCRIPTION
[0027] 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.
[0028] See also Figure 1-5 The utility model provides a technical solution: a sand screening device for construction, comprising a sand screening box 1, a sieve plate 2 is placed on the inner wall of the sand screening box 1, the sieve plate 2 is set to a U shape, four reset plates 3 are fixedly connected to the front and rear inner walls of the sand screening box 1, a reset rod 4 is fixedly connected between every two adjacent reset plates 3, each reset rod 4 is plugged with the sieve plate 2 adjacent to it, and each reset plate 3 is fixedly connected to a spring 5 on one side close to the sieve plate 2, and each spring 5 is in a reset state, and two vibration shafts 6 are rotatably connected between the left and right inner walls of the sand screening box 1 through bearings, and the outer surfaces of the two vibration shafts 6 are A cam 7 is fixedly connected, and each cam 7 is in contact with the bottom of the sieve plate 2. Through the setting of the cam 7, the purpose of vibration of the sieve plate 2 can be achieved. The right ends of the two vibration shafts 6 are fixedly connected with the first sprocket 28, and the two first sprockets 28 are connected by chain transmission. Through the setting of the first sprocket 28, the purpose of synchronous rotation of the two vibration shafts 6 can be achieved. The right end of the vibration shaft 6 located at the rear and the right end of the knocking shaft 8 are fixedly connected with the second sprocket 29, and the two second sprockets 29 are connected by chain transmission. Through the setting of the second sprocket 29, the purpose of transmitting power to the knocking shaft 8 can be achieved.
[0029] A striking shaft 8 is rotatably connected between the left and right inner walls of the sand screening box 1 through a bearing, and a plurality of striking ropes 9 are fixedly connected to the outer surface of the striking shaft 8. The left end of the striking shaft 8 located at the front is fixedly connected to the external motor output end, and the outer surfaces of the two suction cylinders 16 are fixedly connected to support plates 30, and the two support plates 30 are fixedly connected to the sand screening box 1. Through the provision of the support plates 30, it is possible to prevent the suction cylinder 16 from shaking during the reciprocating motion of the piston 15. The other end of each striking rope 9 is fixedly connected to a striking ball 10, and each striking ball 10 is in contact with the sieve plate 2. Through the provision of the striking ball 10, the purpose of striking the bottom of the sieve plate 2 can be achieved to avoid clogging of the filter holes. The front and back sides of the sand screening box 1 are fixedly connected to storage boxes 24, and the upper surfaces of the two storage boxes 24 are fixedly connected to replenishing pipes 25. Through the provision of the replenishing pipes 25, it is convenient for users to replenish water to the inside.
[0030] The left end of the knocking shaft 8 is fixedly connected to an eccentric disk 11, and the left side of the eccentric disk 11 is fixedly connected to an eccentric rod 12. The outer surface of the eccentric rod 12 is slidably connected to a reciprocating block 13, and the front and back sides of the reciprocating block 13 are fixedly connected to a reciprocating rod 14. The ends of the two reciprocating rods 14 away from each other are fixedly connected to pistons 15, and the outer surfaces of the two pistons 15 are sleeved with suction cylinders 16. The outer surfaces of the two suction cylinders 16 are respectively fixedly connected to a liquid inlet pipe 17 and a liquid outlet pipe 18. A first one-way valve 19 is installed inside each liquid inlet pipe 17, and a second one-way valve 20 is installed inside each liquid outlet pipe 18. When the piston 15 moves in a direction close to the eccentric disk 11, the first one-way valve 19 opens upward and the second one-way valve 20 closes. When the piston 15 moves in a direction away from the eccentric disk 11, the first one-way valve 19 opens upward and the second one-way valve 20 closes. The valve 19 is closed, and the second one-way valve 20 is opened upward. The other ends of the two liquid inlet pipes 17 and the liquid outlet pipe 18 are fixedly connected to the hose 21. The other ends of the two hoses 21 at the top are fixedly connected to the nozzle 22. The outer surfaces of the two nozzles 22 are fixedly connected to multiple atomizing nozzles 23. Through the setting of the atomizing nozzles 23, the purpose of covering the dust generated by the sand screening can be achieved. The other ends of the two hoses 21 at the bottom are fixedly connected to the storage box 24 close to them. A feeding port 26 is provided on the left side of the sand screening box 1. The setting of the feeding port 26 facilitates the user to take materials. The outer surfaces of the two nozzles 22 are fixedly connected to the brackets 27. The two brackets 27 are fixedly connected to the sand screening box 1. Through the setting of the brackets 27, the purpose of supporting the nozzles 22 can be achieved.
[0031] When in use, the vibration shaft 6 in the front is driven to rotate by starting an external motor, and the vibration shaft 6 drives the cam 7 to rotate, continuously squeezing the screen plate 2, making it do rapid reciprocating motion, and screening the sand. During the rotation of the vibration shaft 6, the first sprocket 28 is driven to rotate, and the first sprocket 28 drives the knocking shaft 8 to rotate through the chain transmission. During the rotation of the knocking shaft 8, the knocking rope 9 is driven to swing through the centrifugal force, so that the knocking ball 10 is continuously in contact with the bottom of the screen plate 2, thereby achieving the effect of knocking the bottom of the screen plate 2, avoiding the accumulation and blockage of sand in the filter holes, and the knocking shaft 8 drives the left end to rotate during the rotation. The center plate 11 rotates, and the eccentric plate 11 drives the eccentric rod 12 to make a circular motion, so that the reciprocating block 13 slidably connected thereto makes a reciprocating motion under the limit of the piston 15. When the piston 15 moves in the direction close to the eccentric plate 11, the first one-way valve 19 opens upward, the second one-way valve 20 closes, and the suction cylinder 16 sucks the water source inside the storage box 24 into the suction cylinder 16. When the piston 15 moves in the direction away from the eccentric plate 11, the first one-way valve 19 closes, the second one-way valve 20 opens upward, and the water source inside the suction cylinder 16 is sprayed out through the atomizing nozzle 23, which can cover the generated dust.
[0032] It should be noted that, in this document, relational terms such as first and second, etc. are merely used 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.
[0033] 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 construction, comprising a sand screening box (1), characterized in that: A sieve plate (2) is placed on the inner wall of the sand screening box (1), and the sieve plate (2) is set to be U-shaped. Four reset plates (3) are fixedly connected to the front and rear inner walls of the sand screening box (1), and a reset rod (4) is fixedly connected between every two adjacent reset plates (3). Each reset rod (4) is plugged into the adjacent sieve plate (2). A spring (5) is fixedly connected to the side of each reset plate (3) close to the sieve plate (2), and each spring (5) is in a reset state. Two vibration shafts (6) are rotatably connected between the left and right inner walls of the sand screening box (1) through bearings. Cams (7) are fixedly connected to the outer surfaces of the two vibration shafts (6), and each cam (7) is in contact with the bottom of the sieve plate (2); A knocking shaft (8) is rotatably connected between the left and right inner walls of the sand screening box (1) via a bearing, a plurality of knocking ropes (9) are fixedly connected to the outer surface of the knocking shaft (8), the other end of each knocking rope (9) is fixedly connected to a knocking ball (10), and each knocking ball (10) is in contact with the screen plate (2); The left end of the striking shaft (8) is fixedly connected to an eccentric disk (11), the left side of the eccentric disk (11) is fixedly connected to an eccentric rod (12), the outer surface of the eccentric rod (12) is slidably connected to a reciprocating block (13), the front and back sides of the reciprocating block (13) are fixedly connected to reciprocating rods (14), the ends of the two reciprocating rods (14) that are away from each other are fixedly connected to pistons (15), the outer surfaces of the two pistons (15) are sleeved with suction cylinders (16), and the outer surfaces of the two suction cylinders (16) are respectively fixedly connected to the outer surfaces of the two pistons (15). A liquid inlet pipe (17) and a liquid outlet pipe (18) are fixedly connected, a first one-way valve (19) is installed inside each liquid inlet pipe (17), a second one-way valve (20) is installed inside each liquid outlet pipe (18), the other ends of the two liquid inlet pipes (17) and the liquid outlet pipes (18) are fixedly connected to a hose (21), the other ends of the two hoses (21) located at the top are fixedly connected to a nozzle (22), and the outer surfaces of the two nozzles (22) are fixedly connected to a plurality of atomizing nozzles (23).
2. A sand screening device for construction according to claim 1, characterized in that: The front and back sides of the sand screening box (1) are fixedly connected to storage boxes (24), and the upper surfaces of the two storage boxes (24) are fixedly connected to replenishment pipes (25).
3. A sand screening device for construction according to claim 1, characterized in that: The other ends of the two hoses (21) located at the bottom are fixedly connected to the storage box (24) adjacent thereto, and a material taking port (26) is provided on the left side of the sand screening box (1).
4. A sand screening device for construction according to claim 1, characterized in that: The outer surfaces of the two nozzles (22) are fixedly connected with brackets (27), and the two brackets (27) are fixedly connected to the sand screening box (1).
5. A sand screening device for construction according to claim 1, characterized in that: The right ends of the two vibration shafts (6) are fixedly connected to a first sprocket (28), and the two first sprockets (28) are connected via a chain transmission.
6. A sand screening device for construction according to claim 1, characterized in that: The right end of the vibration shaft (6) and the right end of the knocking shaft (8) located at the rear are both fixedly connected to a second sprocket (29), and the two second sprockets (29) are connected via a chain transmission.
7. A sand screening device for construction according to claim 1, characterized in that: The left end of the striking shaft (8) located at the front is fixedly connected to the external motor output end, and the outer surfaces of the two suction cylinders (16) are fixedly connected to support plates (30), and the two support plates (30) are fixedly connected to the sand screening box (1).