Rock and soil screening device

Abstract

The utility model relates to the technical field of rock and soil screening, in particular to a rock and soil screening device which can select filter screen combinations with different pore diameters according to screening requirements, improve convenience of material collection and improve practicability. Comprising a base, a vibrating disc, a supporting assembly, a screening assembly, pressing assemblies and a driving assembly, the supporting assembly is installed at the bottom of the base, the driving assembly is installed in the base, the bottom of the vibrating disc is installed at the output end of the driving assembly, the screening assembly is installed at the top of the vibrating disc, and the pressing assemblies are installed at the left and right ends of the top of the vibrating disc.

Description

Technical Field

[0001] The utility model relates to the technical field of rock and soil screening, in particular to a rock and soil screening device. Background Art

[0002] In geotechnical tests, materials similar to rock composition, such as sand and cement, are often mixed in a certain ratio to make specimens for experiments to obtain mechanical property parameters. Then, the mechanical property parameters of the rock are derived based on the similarity principle. In the preparation process of the specimens, the rock and soil need to be screened. Prior art announcement number CN219850727U proposes a geotechnical test screening device, comprising a vibrator, a lower surface of the vibrator fixedly connected to a plurality of bottom columns, a side of the vibrator is mounted with a display, a side of the vibrator close to the display is mounted with a control button, a top surface of the vibrator is mounted with a frustum, a top surface of the frustum is provided with a plurality of screening boxes, an interior of the screening box is provided with an adjustment structure, the adjustment structure has a connection hole, the connection hole is provided on one side of the screening box, an inner wall of the screening box is rotatably connected to a plurality of sieve plates via a first boss, a side of the sieve plate close to the connection hole is fixedly connected to a second boss, and a side of the screening box is fixedly connected to a welding plate. However, in the screening process of geotechnical experiments, different experiments have different requirements on the aperture of the filter screen. The filter screen in the prior art is fixed on the screening device, which makes it inconvenient to add, subtract or replace the filter screen. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a rock and soil screening device that can select a combination of filter screens with different apertures according to screening requirements, thereby improving the convenience of material collection and improving practicality.

[0004] The utility model discloses a rock and soil screening device, comprising a base, a vibration plate, a support assembly, a screening assembly, a pressing assembly and a driving assembly. The support assembly is installed at the bottom of the base, the driving assembly is installed inside the base, the bottom of the vibration plate is installed at the output end of the driving assembly, the screening assembly is installed on the top of the vibration plate, and the pressing assemblies are installed at the left and right ends of the top of the vibration plate; the screening assembly can select filter screens with different apertures according to screening requirements, fix the screening assembly by the pressing assembly, drive the vibration plate by the driving assembly to make the screening assembly screen the rock and soil, and support the bottom of the base by the support assembly, thereby reducing vibration transmission and improving practicality.

[0005] The transmission is fixedly mounted on the inside of the base, wherein the input end of the transmission is connected to the output end of the driving motor, and the output end of the transmission is connected to the rotating shaft. The base is provided with a driving opening, and the top of the rotating shaft is provided with an eccentric wheel, which is located in the driving opening. A guide groove is provided in the driving opening. One end of the eccentric wheel is provided with a limiting slider, the limiting slider is slidably mounted in the guide groove, and the other end of the eccentric wheel is provided with a supporting rod which is slidably mounted in the guide groove. The driving shaft is installed at the right end of the top of the eccentric wheel, and the bottom of the vibration plate is connected to the top of the driving shaft; starting the driving motor drives the rotating shaft to rotate through the transmission, and the rotating shaft drives the eccentric wheel to rotate in the driving opening, and the eccentric wheel drives the driving shaft to rotate, so that the vibration plate rotates, screens rock and soil, improves working efficiency, and when the eccentric wheel rotates, it drives the limiting slider and the supporting rod to rotate in the guide groove, thereby guiding and supporting the eccentric wheel to ensure stability.

[0006] Preferably, the screening component includes a collection box, multiple filter boxes, multiple screens and a cover plate. A placement slot is provided on the top of the vibration disk, the collection box is located in the placement slot, a sealing slot is provided at the bottom of the filter box, a screen is installed inside the filter box, multiple filter boxes are evenly arranged and placed on the collection box, and a cover plate is installed on the top of the uppermost filter box; filter boxes with different apertures are selected according to screening requirements, and the filter boxes are arranged according to the size of the screen holes and installed on the top of the collection box. The sealing slot can ensure the connection sealing between two adjacent filter boxes to avoid rock and soil overflow.

[0007] Preferably, the clamping assembly includes two fixing cylinders, two fastening bolts, two telescopic rods, a limiting cross plate and two fixing bolts. The two fixing cylinders are fixedly installed on the left and right ends of the top of the vibration plate, and the telescopic rod is slidably installed inside the fixing cylinder. The fixing cylinder is screwed with fastening bolts, and the left and right ends of the limiting cross plate are provided with insertion holes matching the telescopic rod, and the fixing bolts are screwed on the upper part of the telescopic rod; after assembling multiple filter boxes, the cover plate is installed on the top, and the protruding length of the telescopic rod in the fixing cylinder is adjusted according to the height of the multiple filter boxes. The fastening bolts are tightened to fix the telescopic rod, and the limiting cross plate is pressed against the top of the cover plate. At the same time, the disassembly hole passes through the telescopic rod, and the fixing bolts are tightened to fix the limiting cross plate, and the multiple filter boxes are fixed to ensure stability during screening.

[0008] Preferably, it also includes multiple discharge nozzles, multiple switch plates, vertical rods and multiple positioning blocks. The rear wall of the filter box is connected to the discharge nozzle, and a discharge port is provided at the bottom of the discharge nozzle. The switch plate is inserted into the discharge port, and the vertical rod is fixedly installed at the top rear end of the vibration disk. A positioning block is installed on the outer wall of the filter box, and a positioning groove matching the vertical rod is provided on the positioning block. The filter box can be limited by the vertical rod and the positioning block to improve the convenience of installation. After screening is completed, the filter box is removed, the filter box is tilted to collect the material through the discharge nozzle, and the switch plate is pulled out to discharge the material through the discharge port, which improves the convenience of material collection, improves practicality, and is conducive to improving detection efficiency.

[0009] Preferably, the support assembly includes multiple damping rods, multiple base plates and multiple shock-absorbing springs, the multiple damping rods are evenly installed on the bottom of the base, the bottom of the damping rods is installed with a base plate, and the shock-absorbing springs are mounted on the outer wall of the damping rods; the bottom of the base is supported by the damping rods and the base plates, and the vibration noise during the screening process can be absorbed and buffered by the damping rods and the shock-absorbing springs, thereby reducing vibration transmission and improving practicality.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the screening component can select filter screens of different apertures according to screening requirements, the screening component is fixed by the clamping component, the vibration plate is driven by the driving component to enable the screening component to screen the rock and soil, and the bottom of the base is supported by the supporting component, thereby reducing vibration transmission and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the rear structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the lower structure of the utility model;

[0014] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a partial cross-sectional structural schematic diagram of the utility model;

[0016] Figure 6 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 7 This is a physical diagram of the utility model;

[0018] Markings in the accompanying drawings: 1. Base; 2. Vibrating plate; 3. Transmission; 4. Driving motor; 5. Rotating shaft; 6. Eccentric wheel; 7. Limiting slider; 8. Support rotating rod; 9. Driving shaft; 10. Collecting box; 11. Filter box; 12. Screen; 13. Sealing groove; 14. Cover plate; 15. Fixing cylinder; 16. Fastening bolt; 17. Telescopic rod; 18. Limiting horizontal plate; 19. Fixing bolt; 20. Discharge nozzle; 21. Switch plate; 22. Vertical rod; 23. Positioning block; 24. Damping rod; 25. Bottom plate; 26. Shock-absorbing spring. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] like Figures 1 to 7 As shown, the transmission 3 is fixedly mounted inside the base 1, the input end of the transmission 3 is connected to the output end of the drive motor 4, the output end of the transmission 3 is connected to the rotating shaft 5, the top of the base 1 is provided with a driving port, the top of the rotating shaft 5 is provided with an eccentric wheel 6, the eccentric wheel 6 is located in the driving port, a guide groove is provided in the driving port, a limiting slider 7 is provided at one end of the eccentric wheel 6, the limiting slider 7 is slidably installed in the guide groove, a supporting rotating rod 8 is provided at the other end of the eccentric wheel 6, the supporting rotating rod 8 is slidably installed in the guide groove, the driving shaft 9 is installed at the top right end of the eccentric wheel 6, the bottom of the vibration disk 2 is connected to the top of the driving shaft 9, the top of the vibration disk 2 is provided with a placement groove, the collecting box 10 is located in the placement groove, the bottom of the filter box 11 is provided with a sealing groove 13, the filter box 11 is installed with a screen 12, and a plurality of filter boxes 11 are evenly arranged and placed in the collecting box 1 0, the cover plate 14 is mounted on the top of the top filter box 11, the two fixed cylinders 15 are fixedly mounted on the left and right ends of the top of the vibration disk 2, the telescopic rod 17 is slidably mounted inside the fixed cylinder 15, and a fastening bolt 16 is screwed on the fixed cylinder 15. The left and right ends of the limiting horizontal plate 18 are provided with insertion holes that match the telescopic rod 17, and the fixing bolts 19 are screwed on the upper part of the telescopic rod 17. A discharge nozzle 20 is connected to the rear wall of the filter box 11, and a discharge port is provided at the bottom of the discharge nozzle 20. The switch plate 21 is inserted in the discharge port, and the vertical rod 22 is fixedly mounted on the top rear end of the vibration disk 2. A positioning block 23 is installed on the outer wall of the filter box 11, and a positioning groove matching the vertical rod 22 is provided on the positioning block 23. A plurality of damping rods 24 are evenly mounted on the bottom of the base 1, and a bottom plate 25 is installed at the bottom of the damping rod 24. A shock-absorbing spring 26 is sleeved on the outer wall of the damping rod 24;

[0021] Select filter boxes 11 with different apertures according to screening requirements, arrange the filter boxes 11 according to the size of the sieve holes and install them on the top of the collection box 10. The sealing groove 13 can ensure the connection and sealing between the two adjacent filter boxes 11 to prevent rock and soil from overflowing. After assembling multiple filter boxes 11, install the cover plate 14 on the top, adjust the protruding length of the telescopic rod 17 in the fixing tube 15 according to the height of the multiple filter boxes 11, tighten the fastening bolts 16 to fix the telescopic rod 17, press the limit horizontal plate 18 against the top of the cover plate 14, and at the same time pass the disassembly hole through the telescopic rod 17, tighten the fixing bolts 19 to fix the limit horizontal plate 18, fix the multiple filter boxes 11, ensure stability during screening, and limit the filter box 11 through the vertical rod 22 and the positioning block 23 to improve the convenience of installation. Start the drive motor 4 through The transmission 3 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives the eccentric wheel 6 to rotate in the driving port, and the eccentric wheel 6 drives the driving shaft 9 to rotate, so that the vibration plate 2 rotates, the rock and soil are screened, and the work efficiency is improved. When the eccentric wheel 6 rotates, it drives the limiting slider 7 and the supporting rotating rod 8 to rotate in the guide rotating groove, guiding and supporting the eccentric wheel 6 to ensure stability. The bottom of the base 1 is supported by the damping rod 24 and the bottom plate 25. The vibration noise during the screening process can be absorbed and buffered by the damping rod 24 and the shock-absorbing spring 26, reducing vibration transmission and improving practicality. After the screening is completed, the filter box 11 is removed, and the filter box 11 is tilted to collect the material through the discharge nozzle 20, and the switch plate 21 is pulled out to discharge the material through the discharge port, thereby improving the convenience of material collection, improving practicality, and helping to improve detection efficiency.

[0022] like Figures 1 to 7 As shown, a rock and soil screening device of the present invention supports the bottom of the base 1 through the damping rod 24 and the bottom plate 25 when working. According to the screening requirements, filter boxes 11 of different apertures are selected and arranged on the top of the collection box 10 according to the size of the sieve holes. The filter boxes 11 can be limited by the vertical rod 22 and the positioning block 23. After the multiple filter boxes 11 are assembled, the cover plate 14 is installed on the top. The extended length of the telescopic rod 17 in the fixed cylinder 15 is adjusted according to the height of the multiple filter boxes 11, the fastening bolt 16 is tightened to fix the telescopic rod 17, and the limiting horizontal plate 18 is pressed against the top of the cover plate 14. At the same time, The mounting hole passes through the telescopic rod 17, and the fixing bolts 19 are tightened to fix the limit cross plate 18 and multiple filter boxes 11. The drive motor 4 is started to drive the rotating shaft 5 to rotate through the transmission 3. The rotating shaft 5 drives the eccentric wheel 6 to rotate in the driving port, and the eccentric wheel 6 drives the driving shaft 9 to rotate, so that the vibration disk 2 rotates to screen the rock and soil. The damping rod 24 and the shock-absorbing spring 26 can absorb and buffer the vibration noise during the screening process to reduce vibration transmission. After the screening is completed, the filter box 11 is removed, and the filter box 11 is tilted to collect the material through the discharge nozzle 20, and the switch plate 21 is pulled out to discharge the material through the discharge port.

[0023] The transmission 3, drive motor 4 and damping rod 24 of the rock and soil screening device of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in this field.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A rock and soil screening device, characterized in that: The invention comprises a base (1), a vibration plate (2), a support assembly, a screening assembly, a pressing assembly and a driving assembly, wherein the bottom of the base (1) is provided with a support assembly, the interior of the base (1) is provided with a driving assembly, the bottom of the vibration plate (2) is provided with an output end of the driving assembly, the screening assembly is provided with a top of the vibration plate (2), and the left and right ends of the top of the vibration plate (2) are provided with pressing assemblies.

2. A rock and soil screening device according to claim 1, characterized in that: The driving assembly comprises a transmission (3), a driving motor (4), a rotating shaft (5), an eccentric wheel (6), a limiting slider (7), a supporting rotating rod (8) and a driving shaft (9), wherein the transmission (3) is fixedly mounted inside the base (1), the input end of the transmission (3) is connected to the output end of the driving motor (4), the output end of the transmission (3) is connected to the rotating shaft (5), a driving port is provided at the top of the base (1), an eccentric wheel (6) is mounted on the top of the rotating shaft (5), the eccentric wheel (6) is located in the driving port, a guide rotating groove is provided in the driving port, a limiting slider (7) is mounted on one end of the eccentric wheel (6), the limiting slider (7) is slidably mounted in the guide rotating groove, a supporting rotating rod (8) is mounted on the other end of the eccentric wheel (6), the supporting rotating rod (8) is slidably mounted in the guide rotating groove, the driving shaft (9) is mounted on the right end of the top of the eccentric wheel (6), and the bottom of the vibration disk (2) is connected to the top of the driving shaft (9).

3. A rock and soil screening device according to claim 1, characterized in that: The screening component comprises a collecting box (10), a plurality of filter boxes (11), a plurality of screens (12) and a cover plate (14); a placement slot is provided on the top of the vibration disk (2); the collecting box (10) is located in the placement slot; a sealing slot (13) is provided on the bottom of the filter box (11); a screen (12) is installed inside the filter box (11); the plurality of filter boxes (11) are evenly arranged and placed on the collecting box (10); and the cover plate (14) is installed on the top of the uppermost filter box (11).

4. A rock and soil screening device according to claim 1, characterized in that: The clamping assembly includes two fixed cylinders (15), two fastening bolts (16), two telescopic rods (17), a limiting horizontal plate (18) and two fixing bolts (19). The two fixed cylinders (15) are fixedly mounted on the left and right ends of the top of the vibration plate (2). The telescopic rod (17) is slidably mounted inside the fixed cylinder (15). The fastening bolts (16) are screwed onto the fixed cylinder (15). The left and right ends of the limiting horizontal plate (18) are provided with insertion holes that match the telescopic rod (17). The fixing bolts (19) are screwed onto the upper part of the telescopic rod (17).

5. A rock and soil screening device according to claim 3, characterized in that: The filter box (11) further comprises a plurality of discharge nozzles (20), a plurality of switch plates (21), vertical rods (22) and a plurality of positioning blocks (23). The discharge nozzles (20) are connected to the rear wall of the filter box (11), a discharge port is provided at the bottom of the discharge nozzle (20), the switch plates (21) are inserted into the discharge port, the vertical rods (22) are fixedly mounted on the top rear end of the vibration plate (2), and a positioning block (23) is installed on the outer wall of the filter box (11). The positioning block (23) is provided with a positioning groove matching the vertical rod (22).

6. A rock and soil screening device according to claim 1, characterized in that: The support assembly includes a plurality of damping rods (24), a plurality of base plates (25) and a plurality of shock-absorbing springs (26). The plurality of damping rods (24) are evenly installed on the bottom of the base (1). The base plates (25) are installed on the bottom of the damping rods (24). The shock-absorbing springs (26) are sleeved on the outer walls of the damping rods (24).

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