CN111871802B

CN111871802B - Continuous grading plant of soil deposit

Info

Publication number: CN111871802B
Application number: CN202010746439.4A
Authority: CN
Inventors: 赵庆杰; 韩佳益; 吴治澎
Original assignee: Hainan University
Current assignee: Hainan University
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2023-06-20
Anticipated expiration: 2040-07-29
Also published as: CN111871802A

Abstract

The invention relates to a soil sediment continuous grading device which comprises a machine shell, a rear cover plate, a front cover plate and a sealing cover, wherein the rear cover plate is fixedly connected with the tail end of the machine shell, the front cover plate is fixedly connected with the front end of the machine shell, a plurality of cylindrical screens are sleeved in the machine shell and are concentrically distributed, a rotating assembly is arranged in the rear cover plate, the rear end of the screens is fixedly connected with the rotating assembly, the front end of the screens is rotationally connected with the front cover plate, an arc-shaped fixing groove is arranged on the outer side of the screens and is abutted to the outer side of the screens, a water guide groove is arranged on the outer side of the screens, a water outlet is arranged below the water guide groove, a water injection assembly is arranged on the sealing cover, the water injection assembly is connected with the water guide groove, the fixing groove and the water guide groove are respectively and fixedly connected with the front cover plate, the front cover plate is provided with an opening, and the sealing cover plate is clamped with the front cover plate.

Description

Continuous grading plant of soil deposit

Technical Field

The invention relates to the technical field of soil component screening, in particular to a continuous grading device for soil sediments.

Background

The study of different components of soil is an important component of the current research of the soil discipline. The existing soil component continuous grading device usually relies on gravity and a vibrating screen to screen and grade, the problem of blocking sieve holes in the grading process is difficult to solve, when irregular particles are clamped in smaller sieve holes, the particles cannot be thrown out of the sieve holes by simply relying on vibrating force provided by the vibrating screen, and when the sieve holes are blocked to a certain amount, the experimental research progress can be influenced, and time and labor are wasted.

Disclosure of Invention

Therefore, the invention provides a soil sediment continuous grading device which can clean irregular particles clamped in sieve holes by means of centrifugal force, prevent the screen blockage from affecting the experimental research progress, improve the soil grading effect and accelerate the experimental progress.

The technical scheme of the invention is realized as follows:

the invention provides a soil sediment continuous grading device which comprises a machine shell, a rear cover plate, a front cover plate and a sealing cover, wherein the rear cover plate is fixedly connected with the tail end of the machine shell, the front cover plate is fixedly connected with the front end of the machine shell, a plurality of cylindrical screens are sleeved in the machine shell and are concentrically distributed, a rotating assembly is arranged in the rear cover plate, the rear end of the screens is fixedly connected with the rotating assembly, the front end of the screens is rotatably connected with the front cover plate, an arc-shaped fixing groove is formed in the outer side of the screens, the fixing groove is in butt joint with the outer side of the screens, a water guide groove is formed in the outer side of the screens, a water outlet is formed below the water guide groove, a water injection assembly is arranged in the sealing cover, the water injection assembly is connected with the water guide groove, the fixing groove and the water guide groove are respectively fixedly connected with the front cover plate, the front cover plate is provided with an opening, and the sealing cover is clamped with the front cover plate.

Preferably, the rotating assembly comprises a rotary table and a motor, the rotary table is mounted at the front end of the rear cover plate, the rotary table is rotationally connected with the rear cover plate, the rear end of the screen is fixedly connected with the rotary table, the motor is mounted inside the rear cover plate, and the motor is coaxially connected with the rotary table.

Preferably, the water injection assembly comprises a water injection port and a water injection pipe, the water injection port is arranged on the outer wall of the sealing cover, the water injection pipe is arranged in the sealing cover, the water injection port is connected with the water injection pipe, and the water injection pipe is movably clamped with the water guide groove.

Preferably, a drain pipe is arranged in the rear cover plate, and the drain pipe is communicated with the inside of the shell.

Preferably, the fixing groove is located at the lower half of the screen.

Preferably, the water guide groove is positioned at the top of the screen.

Preferably, the openings are arc-shaped, and the openings are positioned on the inner side and the outer side of the screen.

Preferably, the screen further comprises a plurality of shielding covers for shielding the front ends of the screens, the shielding covers correspond to the screens in one-to-one mode in size, and the shielding covers are movably clamped with the front cover plate.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a soil sediment continuous grading device, which is characterized in that a rotating assembly drives a screen to rotate, soil continuously rolls under the rotation of the screen, the soil is continuously screened according to the particle size by the screens with different sizes, water is introduced into a water guide groove by a water injection assembly, and clear water flushes the screen by the water guide groove and a water outlet to primarily dredge sieve holes on the screen; when irregular particles are blocked in the sieve pores, clear water can not wash out the irregular particles, the fixed groove abutting against the outer side of the sieve mesh can push the particles back into the sieve mesh, the sieve pores on the sieve mesh are dredged deeply, the cylinder type design is adopted, centrifugal force screening is adopted, the centrifugal force is controlled by the aid of the centrifugal force, the sieve pores are prevented from being blocked by the water guide groove and the fixed groove, physical components of soil sediments are helped to be continuously and efficiently graded, the soil grading effect is improved, and the test progress is accelerated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an internal structure of a first embodiment of the present invention;

FIG. 2 is a schematic front view of a front cover plate according to an embodiment of the invention;

FIG. 3 is a schematic view illustrating an internal structure of a housing according to a first embodiment of the present invention;

fig. 4 is a schematic front perspective view of a front cover plate in a second embodiment of the invention.

In the figure, 1 casing, 2 back cover plates, 3 front cover plates, 4 sealing covers, 5 screens, 6 fixing grooves, 7 water guide grooves, 8 openings, 9 turntables, 10 motors, 11 water filling ports, 12 water filling pipes, 13 water drainage pipes and 14 shielding covers.

Detailed Description

For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 3, the invention provides a soil sediment continuous grading device, which comprises a machine shell 1, a rear cover plate 2, a front cover plate 3 and a sealing cover 4, wherein the rear cover plate 2 is fixedly connected with the tail end of the machine shell 1, the front cover plate 3 is fixedly connected with the front end of the machine shell 1, a plurality of cylindrical screens 5 are sleeved in the machine shell 1, the screens 5 are concentrically distributed, the screen mesh size of the screen 5 at the innermost side is the largest, the screen mesh size of the screen 5 at the outermost side is the smallest, the screen mesh size of the screen 5 gradually decreases from inside to outside, a rotating assembly is arranged in the rear cover plate 2, the rear end of the screen 5 is fixedly connected with the rotating assembly, the front end of the screen 5 is rotationally connected with the front cover plate 3, the rotating assembly drives the rear end of the screen 5 to be rotationally connected with the front cover plate 3 through ball bearings and the like, an arc-shaped fixing groove 6 is arranged at the outer side of the screen 5, the fixing groove 6 is in contact with the outer side of the screen 5, a water guide groove 7 is arranged at the outer side of the screen 5, a water guide groove 7 is arranged below the water guide groove 7 is fixedly connected with the front cover plate 3, the water guide groove is fixedly connected with the water guide groove 4, and the water guide groove is fixedly connected with the front cover plate 3, and the water guide groove is fixedly connected with the water guide groove 3, respectively, and the front cover 4 is provided with the water guide groove is fixedly connected with the water inlet and water tank 3.

Opening a sealing cover 4, adding a soil sample into a screen 5 at the center from an opening 8 according to test requirements, improving the sealing cover 4, starting a rotating assembly to drive the screen 5 to rotate, continuously rolling the soil under the rotation of the screen 5, continuously screening the soil according to the particle size through the screens 5 with different sizes, introducing water into a water guide tank 7 through a water injection assembly, flushing the screen 5 through the water guide tank 7 and a water outlet, and primarily dredging the sieve holes on the screen 5; when irregular particles are clamped in the sieve holes, clear water can not wash out the irregular particles, part of the bodies of the particles are positioned outside the sieve 5 and are always abutted to the outer side of the sieve 5 through the fixing grooves 6, when the particles clamped in the sieve holes are contacted with the fixing grooves 6, the inner walls of the fixing grooves 6 abutted to the sieve 5 can push the particles, the particles are pushed back into the sieve 5, the sieve holes on the sieve 5 are dredged deeply, and the influence of the blocking of the sieve 5 on experimental research progress is prevented. This device adopts the drum formula design, relies on centrifugal force screening, accessible rotational speed control centrifugal force size to prevent the sieve mesh through guiding gutter 7 and fixed slot 6 and block up, help soil deposit physical components to carry out continuous high-efficient classification, improve soil classification effect, accelerate test progress.

The rotary assembly comprises a rotary table 9 and a motor 10, the rotary table 9 is arranged at the front end of the rear cover plate 2, the rotary table 9 is rotationally connected with the rear cover plate 2, the rear end of the screen 5 is fixedly connected with the rotary table 9, the motor 10 is arranged inside the rear cover plate 2, the motor 10 is coaxially connected with the rotary table 9, the motor 10 is electrically connected with an external power supply, the rotary table 9 is driven to rotate by the motor 10, and the rotary table 9 drives a plurality of screens to synchronously rotate.

The water injection assembly comprises a water injection port 11 and a water injection pipe 12, the water injection port 11 is arranged on the outer wall of the sealing cover 4, the water injection pipe 12 is arranged inside the sealing cover 4, the water injection port 11 is connected with the water injection pipe 12, the water injection pipe 12 is movably clamped with the water guide groove 7, the water injection port 11 is externally connected with a water source, water flows into the water injection pipe 12 through the water injection port 11 and then flows to the water guide groove 7 through the water injection pipe 12, and a water outlet at the bottom of the water guide groove 7 is used for flushing a filter screen.

The inside drain pipe 13 that is equipped with of back shroud 2, drain pipe 13 with the inside intercommunication of casing 1, drain pipe 13 are located the inside lowest position of casing 1, outwards discharge the inside water of casing 1 through drain pipe 13.

The fixed groove 6 is positioned at the lower half part of the screen 5, when the screen rotates clockwise, the fixed groove 6 is positioned at the left lower half part of the screen, when the screen rotates anticlockwise, the fixed groove 6 is positioned at the right lower half part of the screen, the screen holes which are about to rotate upwards are cleaned at the bottom, and particles blocked in the screen holes fall into the bottom surface of the screen 5 again; if the fixing groove 6 is arranged at the upper part of the filter screen, irregular particles can fall into the upper-stage screen 5 after cleaning out the screen holes, and soil needs to be screened again through the upper-stage screen 5.

The water guide groove 7 is positioned at the top of the screen 5, the water guide groove 7 is arranged at the top of the screen 5, and the sun net is cleaned through the gravity of water.

Example two

Referring to fig. 4, the difference between this embodiment and the first embodiment is that the opening 8 is arc-shaped, and the opening 8 is located at both inner and outer sides of the screen 5.

The shielding cover 14 is in one-to-one correspondence with the size of the screen 5, and the shielding cover 14 is movably clamped with the front cover plate 3.

The arc-shaped openings 8 correspond to the openings 8 of the filter screens of all layers, after grading is completed, the water filling port 11 is closed, the rotating assembly keeps working state, the outermost filter screen opening 8 is covered by the shielding cover 14, the front end of the machine shell 1 is inclined downwards, and soil materials positioned on the inner wall layer of the machine shell 1 at the bottommost layer are poured outwards; the first-order shielding cover 14 is switched to cover the upper-level filter screen opening 8, and soil substances in the filter screen positioned at the outermost side are poured out; similarly, the soil of each level can be taken out for the next test. In the process of taking out, the rotating assembly still drives the filter screen to rotate, and the fixed slot 6 always cleans the sieve holes, so that the accuracy of the pouring amount of soil substances in the filter screen is improved.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The utility model provides a soil sediment continuous grading plant, its characterized in that, includes casing, back shroud, front shroud and sealed lid, the back shroud with the tail end fixed connection of casing, the front shroud with the front end fixed connection of casing, the inside cover of casing is equipped with a plurality of tube-shape screen cloth, the screen cloth is concentric distribution, the front shroud by a plurality of with the concentric ring of screen cloth one-to-one constitutes, the inside of back shroud is equipped with rotating assembly, the rear end of screen cloth with rotating assembly fixed connection, the front end of screen cloth with the front shroud rotates to be connected, the outside of screen cloth is equipped with curved fixed slot, the fixed slot with the outside butt of screen cloth, the outside of screen cloth is equipped with the guiding gutter, the guiding gutter below is equipped with the delivery port, all is equipped with fixed slot and guiding gutter on every layer concentric ring, sealed lid be equipped with water injection subassembly, the water injection subassembly with the guiding gutter be connected with respectively with front shroud fixed connection, the front shroud is equipped with the opening, sealed lid with the front shroud joint is located half the screen cloth portion down.

2. The continuous soil sediment classifying device of claim 1, wherein the rotating assembly comprises a turntable and a motor, the turntable is mounted at the front end of the back cover plate, the turntable is rotatably connected with the back cover plate, the rear end of the screen is fixedly connected with the turntable, the motor is mounted inside the back cover plate, and the motor is coaxially connected with the turntable.

3. The continuous soil sediment classifying device according to claim 1, wherein the water injection assembly comprises a water injection port and a water injection pipe, the water injection port is mounted on the outer wall of the sealing cover, the water injection pipe is mounted in the sealing cover, the water injection port is connected with the water injection pipe, and the water injection pipe is movably clamped with the water guide groove.

4. The soil sediment continuous grading apparatus of claim 1, wherein a drain pipe is provided within the back cover plate, the drain pipe being in communication with the interior of the housing.

5. A soil sediment continuous fractionation device as set forth in claim 1 wherein the trough is positioned on top of the screen.

6. A soil sediment continuous fractionation device as set forth in claim 1 wherein the openings are arcuate and are located on both the inner and outer sides of the screen.

7. The continuous soil sediment classifying device according to claim 1, further comprising a plurality of shielding covers for shielding the front ends of the screens, wherein the shielding covers are in one-to-one correspondence with the sizes of the screens, and are movably clamped with the front cover plate.