Gravel material crushing and grading device
By installing a dust suppression mechanism and a crushing mechanism in the sand and gravel crushing and grading device, the problem of insufficient dust suppression capacity of the existing device is solved, achieving effective dust removal and efficient sand and gravel crushing and grading, and improving the safety and practicality of the working environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAICHENG SHENGBO BUILDING MATERIALS CO LTD
- Filing Date
- 2025-02-12
- Publication Date
- 2026-04-28
AI Technical Summary
Existing sand and gravel crushing and grading devices have insufficient dust suppression capabilities, resulting in dust generated during crushing polluting the working environment and endangering the health of operators.
The device is equipped with a dust suppression mechanism, including a water pump, a water pumping pipe, a water delivery pipe, a spray pipe body, and an atomizing nozzle. The atomized water mist is sprayed out through the spray pipe body to remove dust, and combined with the crushing roller and servo motor of the crushing mechanism, the sand and gravel are crushed and classified.
It improves dust suppression capabilities, effectively reduces dust generation during crushing, enhances the hygiene and safety of the working environment, and strengthens the practicality and safety of crushing.
Smart Images

Figure CN224167574U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, specifically to a sand and gravel crushing and grading device. Background Technology
[0002] A large amount of sand and gravel is needed in the construction process. However, the size of the sand and gravel is uneven, which affects the quality of construction. Therefore, a sand and gravel crushing and grading device is needed to crush and screen the sand and gravel.
[0003] A sand and gravel crushing and grading device is disclosed in the existing authorized publication number CN218078042U. This utility model includes a collection box, a base plate, a backing plate, a funnel, a crossbar, a screening drive device, a filter screen, a chute, a crushing device, and a circulating conveying device. The base plate is located inside the collection box, the backing plate is located on the inner wall of the collection box, the funnel is located at the top of the collection box and on the base plate, the crossbar is located on the inner wall of the collection box, the screening drive device is located on the crossbar, the filter screen is located on the screening drive device, the chute is located on the side wall of the collection box, and both ends of the filter screen are located inside the chute. The crushing device is located on the base plate, and the circulating conveying device is located on both sides of the collection box and connected to the chute.
[0004] However, due to the poor dust suppression capability of the existing patent technology with authorization announcement number CN218078042U, it is not convenient to remove dust generated during crushing in a timely and effective manner during actual use. The dust generated during crushing will pollute the working environment and harm the health of the operators, affecting the safety of use. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] The purpose of this utility model is to provide a sand and gravel crushing and grading device to solve the problem mentioned in the background art that the existing technology is not convenient for timely and effective dust removal and dust suppression operations generated during crushing.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a sand and gravel crushing and grading device, comprising a load-bearing base plate, a device body and a water storage tank, wherein the device body is fixedly installed on one side of the upper end of the load-bearing base plate, and the water storage tank is fixedly installed on the upper end of the load-bearing base plate at the right end of the device body, wherein a dust suppression mechanism is provided at the upper end of the water storage tank, and a crushing mechanism is provided inside the device body.
[0009] The dust suppression mechanism includes a water pump, a water pumping pipe, and a water delivery pipe. The water pump is fixedly installed at the upper end of the water storage tank, and the water pumping pipe is fixedly installed at the front end of the water pump. The water pumping pipe extends into the interior of the water storage tank, and the water delivery pipe is fixedly installed at the upper end of the water pump.
[0010] Preferably, a spray pipe body is fixedly installed at the left end of the water supply pipe, and a plurality of atomizing nozzles are fixedly installed at the left end of the spray pipe body.
[0011] Preferably, a liquid level window is fixedly installed at the front end of the water storage tank, a water inlet is opened at the upper end of the water storage tank, a sealing plug is movably installed at the upper end of the water inlet, and a graded filter screen is fixedly installed inside the main body of the device.
[0012] Preferably, the crushing mechanism includes a servo motor and a crushing roller. Two servo motors are fixedly installed at the front end of the device body, and a crushing roller is fixedly installed at the output shaft end of the servo motor. The crushing roller is located inside the device body.
[0013] Preferably, a rotating connecting rod is fixedly installed at the rear end of the crushing roller, and two movable connecting blocks are fixedly installed on the inner wall of the device body on the side away from the servo motor. The rotating connecting rod is rotatably connected to one side of the movable connecting blocks on the side away from the servo motor.
[0014] Preferably, guide plates are fixedly installed at both the front and rear ends inside the device body, a first discharge port is opened at the left end of the device body, and a number of support legs are evenly fixedly installed at the lower end of the load-bearing base plate, with support pads fixedly installed at the lower end of the support legs.
[0015] Preferably, a second discharge port is provided at the left end of the device body, a movable sealing plate is movably installed at the upper end of the second discharge port, and an observation window is fixedly installed at the front end of the device body.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. The sand and gravel crushing and grading device improves the dust reduction capacity of the invention by installing a dust reduction mechanism. In actual use, it can effectively and timely reduce the dust generated during sand and gravel crushing, improve the hygiene and safety of the working environment, and enhance the safety of the sand and gravel crushing and grading device.
[0018] 2. The crushing and grading device for sand and gravel improves the crushing capacity of the present invention by installing the crushing mechanism. In actual use, it can quickly and effectively crush sand and gravel, thus improving the practicality of the crushing and grading device for sand and gravel. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 2 This is a schematic diagram of the crushing mechanism of this utility model;
[0021] Figure 3 This is an enlarged structural schematic diagram of a partial detail of the dust suppression mechanism of this utility model;
[0022] Figure 4 This is an enlarged structural schematic diagram of a partial detail of the crushing mechanism of this utility model.
[0023] In the diagram: 1. Load-bearing base plate; 2. Device body; 3. Water storage tank; 4. Dust suppression mechanism; 401. Water pump; 402. Water pumping pipe; 403. Water delivery pipe; 404. Spray pipe body; 405. Atomizing nozzle; 5. Liquid level window; 6. Water inlet; 7. Sealing plug; 8. Grading filter screen; 9. Crushing mechanism; 901. Servo motor; 902. Crushing roller; 903. Rotating connecting rod; 904. Movable connecting block; 10. Guide plate; 11. First discharge port; 12. Support leg; 13. Support foot pad; 14. Second discharge port; 15. Movable sealing plate; 16. Observation window. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1-4This utility model provides a sand and gravel crushing and grading device, including a load-bearing base plate 1, a device body 2, and a water storage tank 3. The device body 2 is fixedly installed on one side of the upper end of the load-bearing base plate 1, and the water storage tank 3 is fixedly installed on the right side of the upper end of the load-bearing base plate 1, located at the upper end of the device body 2. A dust suppression mechanism 4 is provided at the upper end of the water storage tank 3, and a crushing mechanism 9 is provided inside the device body 2. The dust suppression mechanism 4 includes a water pump 401, a water pumping pipe 402, and a water delivery pipe 403. The water pump is fixedly installed at the upper end of the water storage tank 3. 401. A water pump 401 is fixedly installed with a water pump pipe 402 at its front end. The water pump pipe 402 extends into the interior of the water storage tank 3. A water delivery pipe 403 is fixedly installed at the upper end of the water pump 401. A spray pipe body 404 is fixedly installed at the left end of the water delivery pipe 403. Several atomizing nozzles 405 are fixedly installed at the left end of the spray pipe body 404. When the water pump 401 is started, the water source in the water storage tank 3 is pumped into the water delivery pipe 403 and the spray pipe body 404 through the water pump pipe 402, and then sprayed out through the atomizing nozzles 405.
[0026] In this embodiment, a liquid level window 5 is fixedly installed at the front end of the water storage tank 3, and a water inlet 6 is opened at the upper end of the water storage tank 3. A sealing plug 7 is movably installed at the upper end of the water inlet 6. A graded filter screen 8 is fixedly installed inside the device body 2. The crushing mechanism 9 includes a servo motor 901 and a crushing roller 902. Two servo motors 901 are fixedly installed at the front end of the device body 2. The crushing roller 902 is fixedly installed at the output shaft end of the servo motor 901. The crushing roller 902 is located inside the device body 2. A rotating connecting rod 903 is fixedly installed at the rear end of the crushing roller 902. Two movable connecting blocks 904 are fixedly installed on the inner wall of the device body 2 on the side away from the servo motor 901. The rotating connecting rod 903 is rotatably connected to the side of the movable connecting block 904 on the side away from the servo motor 901. The front and rear ends of the device body 2 are fixedly installed with guide plates 10. The left end of the device body 2 is provided with a first discharge port 11. Several support legs 12 are evenly fixedly installed on the lower end of the load-bearing base plate 1. Support foot pads 13 are fixedly installed on the lower end of the support legs 12. The left end of the device body 2 is provided with a second discharge port 14. A movable sealing plate 15 is movably installed on the upper end of the second discharge port 14. An observation window 16 is fixedly installed on the front end of the device body 2. The servo motor 901 is started to drive the crushing roller 902 to rotate in opposite directions. The crushing roller 902 crushes the sand and gravel.
[0027] When crushing sand and gravel is required, the sand and gravel crushing and grading device is first stably placed in the desired position using the support legs 12 and support pads 13. Blocky sand and gravel are then injected into the device body 2. The servo motor 901 is started to drive the crushing roller 902 to rotate in opposite directions, crushing the sand and gravel. The crushed sand and gravel fall onto the grading filter plate 8, where it is graded and screened. Larger particles remain on the grading filter plate 8, while smaller particles fall into the lower part of the device body 2 after being filtered by the grading filter plate 8. The material is discharged from the discharge port 11. The sand and gravel left after filtration on the grading filter screen plate 8 can be viewed through the observation window 16. The movable sealing plate 15 is pulled upward in the sliding grooves opened on both sides of the second discharge port 14, and the large particles of sand and gravel are discharged through the second discharge port 14 to achieve the function of grading and screening. During crushing, water is injected into the water storage tank 3 through the water inlet 6, and the sealing plug 7 is closed. Then, the water pump 401 is started to pump the water in the water storage tank 3 to the water delivery pipe 403 and the spray pipe 404 through the water pumping pipe 402. Then, it is sprayed out through the atomizing nozzle 405 to perform dust suppression operation on the dust generated during crushing.
[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of this utility model, and is not intended to limit the scope of protection of this utility model. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model do not depart from the essence and scope of the technical solution of this utility model.
Claims
1. A sand and gravel crushing and grading device, comprising a load-bearing base plate (1), a device body (2), and a water storage tank (3), characterized in that: The device body (2) is fixedly installed on one side of the upper end of the load-bearing base plate (1). A water storage tank (3) is fixedly installed on the upper end of the load-bearing base plate (1) at the right end of the device body (2). A dust suppression mechanism (4) is provided on the upper end of the water storage tank (3). A crushing mechanism (9) is provided inside the device body (2). The dust suppression mechanism (4) includes a water pump (401), a water pumping pipe (402), and a water delivery pipe (403). The water pump (401) is fixedly installed at the upper end of the water storage tank (3). The water pump (402) is fixedly installed at the front end of the water pump (401). The water pumping pipe (402) extends into the interior of the water storage tank (3). The water delivery pipe (403) is fixedly installed at the upper end of the water pump (401).
2. The sand and gravel crushing and grading device according to claim 1, characterized in that: A spray pipe body (404) is fixedly installed at the left end of the water supply pipe (403), and a plurality of atomizing nozzles (405) are fixedly installed at the left end of the spray pipe body (404).
3. The sand and gravel crushing and grading device according to claim 2, characterized in that: A liquid level window (5) is fixedly installed at the front end of the water storage tank (3), and a water inlet (6) is opened at the upper end of the water storage tank (3). A sealing plug (7) is movably installed at the upper end of the water inlet (6), and a graded filter screen plate (8) is fixedly installed inside the device body (2).
4. The sand and gravel crushing and grading device according to claim 3, characterized in that: The crushing mechanism (9) includes a servo motor (901) and a crushing roller (902). Two servo motors (901) are fixedly installed at the front end of the device body (2). The output shaft end of the servo motor (901) is fixedly installed with a crushing roller (902). The crushing roller (902) is located inside the device body (2).
5. The sand and gravel crushing and grading device according to claim 4, characterized in that: A rotating connecting rod (903) is fixedly installed at the rear end of the crushing roller (902). Two movable connecting blocks (904) are fixedly installed on the inner wall of the device body (2) on the side away from the servo motor (901). The rotating connecting rod (903) is rotatably connected to the side of the movable connecting block (904) on the side away from the servo motor (901).
6. The sand and gravel crushing and grading device according to claim 5, characterized in that: The device body (2) has guide plates (10) fixedly installed at both the front and rear ends. The device body (2) has a first discharge port (11) at the left end. The load-bearing base plate (1) has several support legs (12) evenly fixedly installed at the lower end. The support legs (12) have support pads (13) fixedly installed at the lower end.
7. The sand and gravel crushing and grading device according to claim 6, characterized in that: The device body (2) has a second discharge port (14) at the left end, and a movable sealing plate (15) is movably installed at the upper end of the second discharge port (14). An observation window (16) is fixedly installed at the front end of the device body (2).