CN110152974B - Gravity type soil screening plant for soil remediation - Google Patents
Gravity type soil screening plant for soil remediation Download PDFInfo
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- CN110152974B CN110152974B CN201910537378.8A CN201910537378A CN110152974B CN 110152974 B CN110152974 B CN 110152974B CN 201910537378 A CN201910537378 A CN 201910537378A CN 110152974 B CN110152974 B CN 110152974B
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- shell
- feeding pipe
- soil
- screen
- outer side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/26—Revolving drums with additional axial or radial movement of the drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
Abstract
The invention discloses a gravity type soil screening device for soil restoration, which comprises a main body component, a driving component, a screen cylinder and an anti-blocking component, wherein the main body component comprises a shell, a feeding pipe, a stepped ring seat, a first return spring, a feeding hopper and an inclined guide table, the feeding pipe is arranged on one side wall of the shell in a penetrating mode and is fixedly connected with the side wall of the shell, and the stepped ring seat is sleeved on the outer side of the feeding pipe in the shell in a sliding mode. The continuous feeding type drying machine can realize continuous feeding, so that the screening efficiency is improved, meanwhile, because soil in the continuous feeding screen cylinder can be screened little by little, the screening efficiency is further improved, the drying cylinder can move left and right while rotating, so that the soil is uniformly distributed in the drying cylinder, the screening efficiency is improved, and the rubber pad of the vibrating piece is repeatedly hit on the screen through the principle that like poles repel each other when the screen cylinder rotates, so that the screen is prevented from being blocked, and the anti-blocking effect is good.
Description
Technical Field
The invention relates to the technical field of soil remediation equipment, in particular to a gravity type soil screening device for soil remediation.
Background
When the soil contains excessive harmful substances and exceeds the self-cleaning capacity of the soil, the composition, the structure and the function of the soil are changed, the activity of microorganisms is inhibited, and the harmful substances or decomposition products thereof are gradually accumulated in the soil and are indirectly absorbed by the human body through the soil → plants → the human body or through the soil → water → the human body, so that the degree of harming the health of the human body is reached, namely the soil pollution.
According to the national soil pollution condition survey bulletin issued in 2014, the general situation of the soil environment in China is not optimistic, the national soil pollution exceeding rate reaches 16.1%, the soil environment problem of the industrial and mining abandoned land is prominent, and meanwhile, the quality of the soil environment in the cultivated land is more worried, so that the soil remediation technology is extremely important, and the screening of the soil is involved in the soil remediation technology, and the screening of impurities such as large stones, white garbage and the like in the soil is required.
The patent of the invention, entitled "a gravity type soil screening device for soil restoration", is issued by the national intellectual property office in 2019, 2 month and 22 days, and the application number is as follows; 201810133599.4, which discloses the following technical solutions; the utility model provides a gravity type soil screening plant for soil restoration, includes the screen frame of strutting arrangement, drive arrangement and tube-shape, the screen frame erects strutting arrangement is last, the screen frame includes screen cloth structural layer and curb plate, screen cloth structural layer encloses the screen drum structure who becomes the tube-shape, the both ends of screen drum structure are provided with the curb plate respectively, the drive arrangement drive is connected the screen frame rotates around the axle center, feed inlet … … has been seted up on the curb plate. It has the following disadvantages in use; 1. when screening, a certain amount of soil is poured into the screen drum for screening, after screening is completed, the machine is required to be stopped, a certain amount of soil is poured into the screen drum again, the machine is restarted for screening, the efficiency is low, and the screening effect is poor due to the fact that a large amount of soil is poured into the screen drum once; 2. when soil is poured into the sieve drum, the soil inside the sieve drum is not uniformly distributed, so that the sieving effect is poor; 3. when the sand is sieved, air pressure from top to bottom is formed in the sieving cavity to push the sand to fall, and the anti-blocking effect is poor.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a gravity type soil screening device for soil remediation, which aims to solve the problems in the background technology.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a gravity type soil screening device for soil restoration comprises a main body component, a driving component, a screen drum and an anti-blocking component, wherein the main body component comprises a shell, a feeding pipe, a stepped ring seat, a first return spring, a feeding funnel and a guide inclined table, the feeding pipe is arranged on one side wall of the shell in a penetrating mode, the feeding pipe is fixedly connected with the side wall of the shell, the stepped ring seat is sleeved on the outer side of the feeding pipe in the shell in a sliding mode, four second sliding strips are arranged on the outer side wall of the feeding pipe in the shell at equal intervals along the circumferential direction of the outer side wall of the feeding pipe, four first strip-shaped grooves matched with the second sliding strips are arranged on the inner side of the stepped ring seat at equal intervals along the circumferential direction of the inner side wall of the stepped ring seat, the first return spring is arranged between the stepped ring seat on the outer side wall of the feeding pipe and the inner side wall of the shell, the feeding funnel is arranged on the outer side wall of the shell above the feeding pipe, and the output port of the feeding funnel is communicated with the feeding pipe, the inclined guide table is arranged on the side wall of one side, far away from the feeding pipe, of the interior of the shell, and one side, close to the feeding pipe, of the inclined guide table is in an inclined plane shape;
the driving part comprises a motor supporting plate, a motor, a rotating shaft, a spiral blade and a first sliding strip, the motor supporting plate is vertically arranged on the outer side wall of one side, close to the inclined guide table, of the shell, the motor is arranged at the top of the motor supporting plate, the output end of the motor is fixedly connected with the rotating shaft, one end, far away from the motor, of the rotating shaft extends into the feeding pipe and is connected with the side wall of one end of the feeding pipe through a bearing, the spiral blade is welded on the outer side of the rotating shaft in the feeding pipe, and four first sliding strips are arranged on the outer side wall, close to one end of the inclined guide table, of the rotating shaft at equal intervals along the circumferential direction of the rotating shaft;
the screen drum comprises a screen mesh, a first side plate, a second side plate and a universal rolling part, the screen mesh is enclosed to form a circular truncated cone structure shape, the first side plate and the second side plate are respectively fixed at two ends of the circular truncated cone structure of the screen mesh, the universal rolling part is arranged at one end of one side of the second side plate close to the inclined guide table, one end of the universal rolling part is abutted against the inclined plane of the inclined guide table, a through hole is formed in the middle of the first side plate, a bearing is arranged inside the through hole, the inner side of the bearing is connected with the outer side of one end of the stepped ring seat, the second side plate is slidably sleeved outside the rotating shaft at the first position of the sliding strip, a shaft hole for the rotating shaft to pass through is formed in the middle position of the second side plate, and four strip-shaped grooves which are matched with the first sliding strip are formed in the shaft hole at equal intervals along the circumferential direction of the shaft hole;
the anti-blocking component comprises a magnetic part arranged at the top of the shell and a vibrating part evenly arranged on the outer side of the screen, the magnetic part comprises a bar-shaped table and an arc-shaped magnetic stripe, the bar-shaped table is fixed at the top of the shell, the bottom of the bar-shaped table is provided with an arc-shaped groove along the length direction of the screen cylinder, the inner side of the arc-shaped groove is provided with the arc-shaped magnetic stripe, the vibrating part comprises a T-shaped rod, a sliding cylinder, a limiting ring, a second reset spring, a fixed plate, a shell, a supporting rod and a rubber pad, the T-shaped rod is fixedly connected with the screen, the sliding cylinder is sleeved on the outer side of the T-shaped rod, the bottom of the inner side of the sliding cylinder is provided with the limiting ring, the second reset spring is arranged between the top of the T-shaped rod and the top end of the inside of the sliding cylinder, the fixed plate is arranged at the top of the sliding cylinder, the top of the fixed plate is provided with a magnet, and the supporting rod is evenly arranged at the bottom of the fixed plate outside the T-shaped rod, and the bottom of branch is provided with the rubber pad.
Preferably, the universal rolling part comprises a supporting column, a ball seat and a rolling ball, the supporting column is fixedly connected with the second side plate, the ball seat is arranged at one end, away from the second side plate, of the supporting column, the ball seat is provided with a ball groove at one side, away from the supporting column, of the ball seat, and the rolling ball is arranged inside the ball groove.
Preferably, the length of the feeding pipe inside the shell is smaller than that of the first sliding strip.
Preferably, a door body is arranged on the side wall of the bottom of the shell.
Preferably, the magnetic poles on the inner side of the arc-shaped magnetic strip are the same as the magnetic poles on the top of the magnet.
Preferably, the arc of the arc-shaped groove is the same as the arc of the screen.
3. Advantageous effects
1. The invention is characterized in that a feeding pipe is arranged on one side wall of a shell in a penetrating way, the feeding pipe is fixedly connected with the side wall of the shell, a feeding funnel is arranged on the outer side wall of the shell above the feeding pipe, the output port of the feeding funnel is communicated with the feeding pipe, a motor is arranged on the top of a motor supporting plate, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the motor, extends into the feeding pipe and is connected with the side wall of one end of the feeding pipe through a bearing, and a helical blade is welded on the outer side of the rotating shaft in the feeding pipe, further improving the screening efficiency.
2. The invention is characterized in that a stepped ring seat is slidably sleeved on the outer side of a feed pipe in a shell, four second sliding strips are arranged on the outer side wall of the feed pipe in the shell at equal intervals along the circumferential direction of the feed pipe, a first strip-shaped groove matched with the first sliding strip is arranged on the inner side of the stepped ring seat at equal intervals along the circumferential direction of the stepped ring seat, a first reset spring is arranged between the stepped ring seat on the outer side of the feed pipe and the inner side wall of the shell, a screen is enclosed to form a circular truncated cone structure shape, a first side plate and a second side plate are respectively fixed at two ends of the circular truncated cone structure of the screen, a through hole is formed in the middle of the first side plate, a bearing is arranged in the through hole, the inner side of the bearing is connected with the outer side of one end of the stepped ring seat, the second side plate is slidably sleeved on the outer side of a rotating shaft at the position of the first sliding strips, a shaft hole for the rotating shaft to pass through is formed at equal intervals along the circumferential direction of the shaft hole, four strip-shaped grooves matched with the first sliding strips, the universal rolling part is arranged at one end of one side of the side plate II close to the inclined guide table, one end of the universal rolling part is abutted against the inclined plane of the inclined guide table, the support column is fixedly connected with the side plate II, the rolling ball seat is arranged at one end of the support column far away from the side plate II, a spherical groove is formed in one side of the rolling ball seat far away from the support column, a rolling ball is arranged in the rolling ball, when the universal rolling ball is applied, the first reset spring is abutted against the stepped ring seat to enable the stepped ring seat to move towards one side of the inclined guide table, the first side plate of the screen cylinder is connected with the stepped ring seat through a bearing, so that the universal rolling part of the second side plate of the screen cylinder is always abutted against the inclined guide table, the second side plate of the screen cylinder is sleeved outside the rotating shaft at the first position of the sliding strip in a sliding way, a shaft hole for the rotating shaft to pass through is formed in the middle position of the second side plate, four strip grooves which are matched with the first sliding strip at equal intervals along the circumferential direction, when the rotating shaft is driven by the motor to rotate, the side plate II is driven to rotate, the sieve cylinder is made to rotate, the sieve cylinder rotates to enable the rolling balls of the universal rolling parts to do circular motion on the inclined plane of the inclined guide table, the sieve cylinder is made to move leftwards and rightwards when rotating, soil inside the sieve cylinder is made to be evenly distributed inside the sieve cylinder, the sieving efficiency is improved, meanwhile, the rotating speed of the sieve cylinder and the speed of the sieve cylinder moving leftwards and rightwards are related to the rotating speed of the rotating shaft, namely, the rotating speed of the rotating shaft is accelerated, the rotating speed of the sieve cylinder and the sieve cylinder are accelerated to move leftwards and rightwards, the rotating speed of the rotating shaft is related to the rotating speed of the spiral blade, namely, the rotating speed of the spiral blade is accelerated, soil enters the sieve cylinder to be accelerated, when the soil enters the inside of the sieve cylinder, the rotating speed of the sieve cylinder and the moving speed of the sieve cylinder are accelerated, and soil is prevented from being accumulated inside the sieve cylinder.
3. The invention arranges a magnetic part on the top of a shell, a vibrating part is evenly arranged on the outer side of a screen, the magnetic part comprises a strip-shaped table and an arc-shaped magnetic stripe, the strip-shaped table is fixed on the top of the shell, the bottom of the strip-shaped table is provided with an arc-shaped groove along the length direction of the screen cylinder, the inner side of the arc-shaped groove is provided with the arc-shaped magnetic stripe, the vibrating part comprises a T-shaped rod, a sliding cylinder, a limiting ring, a second reset spring, a fixed plate, a shell, a support rod and a rubber pad, the T-shaped rod is fixedly connected with the screen, the sliding cylinder is sleeved on the outer side of the T-shaped rod, the bottom end of the inner side of the sliding cylinder is provided with the limiting ring, the second reset spring is arranged between the top of the T-shaped rod and the top end of the inner part of the sliding cylinder, the fixed plate is arranged on the top of the sliding cylinder, a magnet is arranged on the top of the fixed plate, the support rod is evenly provided with the support rod, the rubber pad is arranged on the bottom end of the support rod, when the screen cylinder rotates, the vibrating part outside the screen cylinder passes under the arc-shaped table in sequence, because the inboard magnetic pole of arc magnetic stripe is opposite with the magnetic pole at vibration piece magnet top, and then makes magnet downstream drive promote fixed plate and a slip section of thick bamboo downstream, and the extrusion reset spring two that slides downstream, fixed plate downstream make the rubber pad of branch below hit on the screen cloth, prevent that the screen cloth from being blockked up by soil, when vibration piece left bar platform bottom arc magnetic stripe below, received reset spring two's effort and resume the normal position again.
In conclusion, the invention only needs to pour soil into the feeding funnel, the motor is started, the motor drives the rotating shaft to rotate, and further the helical blade rotates to send the soil in the feeding funnel into the screen cylinder, thereby realizing continuous feeding, and further improving the screening efficiency, meanwhile, because the soil in the continuous feeding screen cylinder can be screened a little by a little, the screening efficiency is further improved, and because the first reset spring supports against the stepped ring seat, the stepped ring seat moves to one side of the inclined guide table, the first side plate of the screen cylinder is connected with the stepped ring seat through the bearing, the universal rolling piece of the second side plate of the screen cylinder always supports against the inclined guide table, and because the second side plate of the screen cylinder is sleeved outside the rotating shaft at the first position of the sliding strip in a sliding way, the middle position of the second side plate is provided with a shaft hole for the rotating shaft to pass through, and the shaft hole is provided with four strip-shaped grooves II matched with the first sliding strip at equal intervals along the circumferential direction, when the motor rotates to drive the rotating shaft to rotate, the side plate II is driven to rotate, the screen cylinder rotates, the rolling balls of the universal rolling parts make circular motion on the inclined plane of the inclined guide table, the screen cylinder moves leftwards and rightwards while rotating, soil in the screen cylinder is uniformly distributed in the screen cylinder, screening efficiency is improved, meanwhile, the rotating speed of the screen cylinder and the moving speed of the screen cylinder are related to the rotating speed of the rotating shaft, namely the rotating speed of the rotating shaft is increased, the rotating speed of the screen cylinder and the moving speed of the screen cylinder are increased, the rotating speed of the rotating shaft is related to the rotating speed of the spiral blade, namely the rotating speed of the rotating shaft is increased, the rotating speed of the spiral blade is increased, soil enters the screen cylinder, therefore, when the soil enters the screen cylinder in large amount, the rotating speed of the screen cylinder and the acting moving speed of the screen cylinder are increased, and the soil is prevented from being accumulated in the screen cylinder, when a sieve section of thick bamboo rotated simultaneously, make the vibrating member in the sieve section of thick bamboo outside pass through bar platform bottom arc magnetic stripe below in proper order, because the inboard magnetic pole of arc magnetic stripe is the same with the magnetic pole at vibrating member magnet top, and then make magnet downstream drive promote fixed plate and a slip section of thick bamboo downstream, slip downstream extrusion reset spring two, the fixed plate downstream makes the rubber pad of branch below hit and hits on the screen cloth, prevent that the screen cloth from being blockked up by soil, when the vibrating member leaves bar platform bottom arc magnetic stripe below, the effort that receives reset spring two resumes the normal position again.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the plane A-A;
FIG. 3 is a schematic view of the construction of the rolling gimbal assembly of the present invention;
FIG. 4 is a schematic structural view of a screen cylinder according to the present invention;
FIG. 5 is a schematic view of a side panel structure according to the present invention;
FIG. 6 is a schematic structural view of a second side plate of the present invention;
FIG. 7 is a schematic view of a rotary shaft according to the present invention;
fig. 8 is a partial structural view at a in fig. 1.
Reference numerals: 1-shell, 2-motor supporting plate, 3-motor, 4-screen cylinder, 41-screen mesh, 42-side plate I, 43-side plate II, 44-shaft hole, 441-strip groove II, 45-bearing, 46-through hole, 5-slide strip I, 6-oblique guide table, 7-universal rolling piece, 71-supporting column, 72-rolling ball seat, 73-rolling ball, 74-spherical groove, 8-strip table, 81-arc groove, 9-rotating shaft, 10-arc magnetic strip, 11-step ring seat, 111-strip groove I, 12-reset spring I, 13-slide strip II, 14-feeding funnel, 15-helical blade, 16-feeding pipe, 17-door body, 18-T-shaped rod, 19-sliding cylinder, 20-a fixing plate, 21-a second return spring, 22-a support rod, 23-a rubber pad, 24-a limiting ring and 25-a magnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1-8, a gravity type soil screening device for soil remediation comprises a main body component, a driving component, a screen drum 4 and an anti-clogging component, wherein the main body component comprises a housing 1, a feeding pipe 16, a stepped ring seat 11, a first return spring 12, a feeding funnel 14 and a slope guiding table 6, the feeding pipe 16 is arranged on one side wall of the housing 1 in a penetrating manner, the feeding pipe 16 is fixedly connected with the side wall of the housing 1, the side wall of the housing 1 on one side of the feeding pipe 16 is hinged with a sealing door, the sealing door is convenient to open to maintain the screen drum 4 and take out impurities inside the screen drum 4, the stepped ring seat 11 is slidably sleeved outside the feeding pipe 16 inside the housing 1, four sliding strips two 13 are arranged on the outer side wall of the feeding pipe 16 inside the housing 1 at equal intervals along the circumferential direction, four strip grooves one 111 matched with the sliding strips two 13 are arranged on the inner side of the stepped ring seat 11 at equal intervals along the circumferential direction, the first reset spring 12 is arranged between the stepped ring seat 11 on the outer side of the feeding pipe 16 and the inner side wall of the shell 1, the feeding funnel 14 is arranged on the outer side wall of the shell 1 above the feeding pipe 16, an output port of the feeding funnel 14 is communicated with the feeding pipe 16, the slope guiding platform 6 is arranged on the side wall of one side, far away from the feeding pipe 16, in the shell 1, one side, close to the feeding pipe 16, of the slope guiding platform 6 is in a slope shape, and the side wall of the bottom of the shell 1 is provided with a door body 17;
the driving part comprises a motor supporting plate 2, a motor 3, a rotating shaft 9, a helical blade 15 and a first slide bar 5, the motor supporting plate 2 is vertically arranged on the outer side wall of one side, close to the inclined guide table 6, of the shell 1, the motor 3 is arranged at the top of the motor supporting plate 2, the output end of the motor 3 is fixedly connected with the rotating shaft 9, one end, far away from the motor 3, of the rotating shaft 9 extends into the feeding pipe 16 and is connected with the side wall of one end of the feeding pipe 16 through a bearing, the helical blade 15 is welded on the outer side of the rotating shaft 9 in the feeding pipe 16, and four first slide bars 5 are arranged on the outer side wall, close to one end of the inclined guide table 6, of the rotating shaft 9 at equal intervals along the circumferential direction of the rotating shaft;
the screen cylinder 4 comprises a screen mesh 41, a first side plate 42, a second side plate 43 and a universal rolling part 7, the screen mesh 41 is enclosed to form a circular truncated cone structure shape, the first side plate 42 and the second side plate 43 are respectively fixed at two ends of the circular truncated cone structure of the screen mesh 41, the side surface of the screen mesh 41 is provided with a cover body, through holes consistent with the aperture of the screen mesh 41 are uniformly arranged on the cover body, the screened impurities can be taken out conveniently, the universal rolling part 7 is arranged at one end of one side of the second side plate 43 close to the inclined guide table 6, one end of the universal rolling part 7 is abutted against the inclined plane of the inclined guide table 6, the universal rolling part 7 comprises a support pillar 71, a rolling ball seat 72 and a rolling ball 73, the support pillar 71 is fixedly connected with the second side plate 43, the rolling ball seat 72 is arranged at one end of the support pillar 71 far away from the second side plate 43, one side of the rolling ball seat 72 far away from the support pillar 71 is provided with a spherical groove 74, the rolling ball 73 is arranged inside of the spherical groove 74, the through hole 46 is arranged in the middle of the first side plate 42, a bearing 45 is arranged in the through hole 46, the inner side of the bearing 45 is connected with the outer side of one end of the stepped ring seat 11, the side plate II 43 is slidably sleeved on the outer side of the rotating shaft 9 at the position of the first sliding strip 5, a shaft hole 44 for the rotating shaft 9 to pass through is formed in the middle of the side plate II 43, four strip-shaped grooves II 441 matched with the first sliding strip 5 are formed in the shaft hole 44 at equal intervals along the circumferential direction of the shaft hole 44, and the length of the feeding pipe 16 positioned in the shell 1 is smaller than that of the first sliding strip 5;
the anti-blocking part comprises a magnetic part arranged at the top of the shell 1 and a vibrating part uniformly arranged on the outer side of the screen 41, the magnetic part comprises a strip-shaped table 8 and an arc-shaped magnetic stripe 10, the strip-shaped table 8 is fixed at the top of the shell 1, the bottom of the strip-shaped table 8 is provided with an arc-shaped groove 81 along the length direction of the screen cylinder 4, the radian of the arc-shaped groove 81 is the same as that of the screen 41, the arc-shaped magnetic stripe 10 is arranged on the inner side of the arc-shaped groove 81, the vibrating part comprises a T-shaped rod 18, a sliding cylinder 19, a limiting ring 24, a second reset spring 21, a fixed plate 20, the shell 1, a support rod 22 and a rubber pad 23, the T-shaped rod 18 is fixedly connected with the screen 41, the sliding cylinder 19 is sleeved on the outer side of the T-shaped rod 18, the limiting ring 24 is arranged at the bottom end of the inner side of the sliding cylinder 19, the second reset spring 21 is arranged between the top of the T-shaped rod 18 and the top end of the sliding cylinder 19, the fixed plate 20 is arranged at the top of the sliding cylinder 19, the fixed plate 20 is provided with a magnet 25, the bottom of the fixing plate 20 outside the T-shaped rod 18 is evenly provided with a supporting rod 22, the bottom end of the supporting rod 22 is provided with a rubber pad 23, and the magnetic pole inside the arc-shaped magnetic stripe 10 is the same as the magnetic pole at the top of the magnet 25.
The working principle is as follows: only soil is poured into the feeding hopper 14, the motor 3 is started, the motor 3 drives the rotating shaft 9 to rotate, further the helical blades 15 are enabled to rotate to send the soil in the feeding hopper 14 into the screen cylinder 4, continuous feeding can be achieved, screening efficiency is improved, meanwhile, the soil in the continuous feeding screen cylinder 4 can be screened little by little, screening efficiency is further improved, the first reset spring 12 abuts against the stepped ring seat 11 to enable the stepped ring seat 11 to move towards one side of the inclined guide table 6, the first side plate 42 of the screen cylinder 4 is connected with the stepped ring seat 11 through the bearing 45, the universal rolling piece 7 of the second side plate 43 of the screen cylinder 4 always abuts against the inclined guide table 6, the second side plate 43 of the screen cylinder 4 is slidably sleeved outside the rotating shaft 9 at the first position of the sliding strip 5, and the middle position of the second side plate 43 is provided with a shaft hole 44 for the rotating shaft to pass through, and the shaft hole 44 is provided with four strip-shaped grooves 441 which are matched with the first slide strips 5 at equal intervals along the circumferential direction, when the motor 3 rotates to drive the rotating shaft 9 to rotate, the side plate two 43 is driven to rotate, so that the screen drum 4 rotates, the screen drum 4 rotates to enable the rolling balls 73 of the universal rolling piece 7 to do circular motion on the inclined plane of the inclined guide table 6, and further the screen drum 4 moves left and right while rotating, so that the soil in the screen drum 4 is uniformly distributed in the screen drum 4, the screening efficiency is improved, meanwhile, because the rotating speed of the screen drum 4 and the moving speed of the screen drum 4 move left and right are related to the rotating speed of the rotating shaft 9, namely the rotating speed of the rotating shaft 9 is accelerated, the rotating speed of the screen drum 4 and the moving speed of the screen drum 4 move left and right, and the rotating speed of the rotating shaft 9 is related to the rotating speed of the helical blade 15, namely the rotating speed of the rotating shaft 9 is accelerated, and the rotating speed of the helical blade 15 is accelerated, soil gets into a sieve section of thick bamboo 4 speed-up, thereby when soil gets into sieve section of thick bamboo 4 inside volume all many, sieve section of thick bamboo 4 slew velocity and sieve section of thick bamboo 4 effect translation rate accelerate, prevent soil from piling up in sieve section of thick bamboo 4 inside, sieve section of thick bamboo 4 rotates simultaneously, make the vibrating piece in the sieve section of thick bamboo 4 outside pass through bar platform 8 bottom arc magnetic stripe 10 below in proper order, because the inboard magnetic pole of arc magnetic stripe 10 is the same with the magnetic pole at vibrating piece magnet 25 top, and then make magnet 25 move down drive promote fixed plate 20 and slide cylinder 19 and move down, slide cylinder 18 moves down extrusion reset spring two 21, fixed plate 20 moves down makes the rubber pad 23 of branch 22 below hit and hit on screen cloth 41, prevent that screen cloth 41 from being blockked up by soil, when vibrating piece leaves bar platform 8 bottom arc magnetic stripe 10 below, the effort that receives reset spring two 21 resumes the normal position again.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. A gravity type soil screening device for soil restoration is characterized by comprising a main body component, a driving component, a screen drum (4) and an anti-blocking component, wherein the main body component comprises a shell (1), a feeding pipe (16), a stepped ring seat (11), a first return spring (12), a feeding funnel (14) and an inclined guide table (6), the feeding pipe (16) is arranged on one side wall of the shell (1) in a penetrating mode, the feeding pipe (16) is fixedly connected with the side wall of the shell (1), the stepped ring seat (11) is sleeved on the outer side of the feeding pipe (16) in the shell (1) in a sliding mode, four second sliding strips (13) are arranged on the outer side wall of the feeding pipe (16) in the shell (1) at equal intervals along the circumferential direction of the outer side of the stepped ring seat (11), four first strip-shaped grooves (111) matched with the second sliding strips (13) are arranged on the inner side of the stepped ring seat (11) at equal intervals along the circumferential direction of the inner side of the stepped ring seat, the first reset spring (12) is arranged between a stepped ring seat (11) on the outer side of the feeding pipe (16) and the inner side wall of the shell (1), the feeding funnel (14) is arranged on the outer side wall of the shell (1) above the feeding pipe (16), the output port of the feeding funnel (14) is communicated with the feeding pipe (16), the inclined guide table (6) is arranged on the side wall of one side, far away from the feeding pipe (16), of the shell (1), and one side, close to the feeding pipe (16), of the inclined guide table (6) is in an inclined plane shape;
the driving part comprises a motor supporting plate (2), a motor (3), a rotating shaft (9), a helical blade (15) and a first sliding strip (5), the motor supporting plate (2) is vertically arranged on the outer side wall of one side, close to the inclined guide table (6), of the shell (1), the motor (3) is arranged at the top of the motor supporting plate (2), the rotating shaft (9) is fixedly connected to the output end of the motor (3), one end, far away from the motor (3), of the rotating shaft (9) extends into the feeding pipe (16) and is connected with the side wall of one end of the feeding pipe (16) through a bearing, the helical blade (15) is welded on the outer side of the rotating shaft (9) inside the feeding pipe (16), and four first sliding strips (5) are arranged on the outer side wall, close to one end of the inclined guide table (6), of the rotating shaft (9) at equal intervals along the circumferential direction of the rotating shaft;
the screen drum (4) comprises a screen mesh (41), a first side plate (42), a second side plate (43) and a universal rolling part (7), the screen mesh (41) is enclosed to form a circular truncated cone structure shape, the first side plate (42) and the second side plate (43) are respectively fixed at two ends of the circular truncated cone structure of the screen mesh (41), the universal rolling part (7) is arranged at one end of the second side plate (43) close to one side of the inclined guide table (6), one end of the universal rolling part (7) is abutted to the inclined plane of the inclined guide table (6), a through hole (46) is formed in the middle of the first side plate (42), a bearing (45) is arranged inside the through hole (46), the inner side of the bearing (45) is connected with the outer side of one end of the stepped ring seat (11), the second side plate (43) is slidably sleeved outside the rotating shaft (9) at the position of the first sliding strip (5), a shaft hole (44) for the rotating shaft (9) to pass through is formed at the middle position of the second side plate (43), four strip-shaped grooves (441) matched with the sliding strips (5) are formed in the shaft hole (44) at equal intervals along the circumferential direction of the shaft hole;
the anti-blocking component comprises a magnetic part arranged at the top of the shell (1) and a vibrating part evenly arranged on the outer side of the screen (41), the magnetic part comprises a strip-shaped table (8) and an arc-shaped magnetic strip (10), the strip-shaped table (8) is fixed at the top of the shell (1), the bottom of the strip-shaped table (8) is provided with an arc-shaped groove (81) along the length direction of the screen cylinder (4), the arc-shaped magnetic strip (10) is arranged on the inner side of the arc-shaped groove (81), the vibrating part comprises a T-shaped rod (18), a sliding cylinder (19), a limiting ring (24), a second reset spring (21), a fixing plate (20), the shell (1), a support rod (22) and a rubber pad (23), the T-shaped rod (18) is fixedly connected with the screen (41), the sliding cylinder (19) is sleeved on the outer side of the T-shaped rod (18), and the limiting ring (24) is arranged at the bottom end of the inner side of the sliding cylinder (19), the second reset spring (21) is arranged between the top of the T-shaped rod (18) and the top end of the inside of the sliding cylinder (19), the fixed plate (20) is arranged at the top of the sliding cylinder (19), the magnet (25) is arranged at the top of the fixed plate (20), supporting rods (22) are uniformly arranged at the bottom of the fixed plate (20) on the outer side of the T-shaped rod (18), and a rubber pad (23) is arranged at the bottom end of each supporting rod (22);
the universal rolling part (7) comprises a supporting column (71), a ball seat (72) and a rolling ball (73), the supporting column (71) is fixedly connected with the second side plate (43), the ball seat (72) is arranged at one end, away from the second side plate (43), of the supporting column (71), a ball groove (74) is formed in one side, away from the supporting column (71), of the ball seat (72), and the rolling ball (73) is arranged inside the ball groove (74).
2. A gravity soil screening device for soil remediation according to claim 1 wherein the length of the feed pipe (16) within the housing (1) is less than the length of the first slide (5).
3. A gravity soil screening device for soil remediation according to claim 1 wherein a door (17) is provided on a side wall of the bottom of the housing (1).
4. A gravity soil screening device for soil remediation according to claim 1 wherein the magnetic poles inside the arcuate magnetic strips (10) are opposite to the magnetic poles on top of the magnets (25).
5. A gravity soil screening device for soil remediation according to claim 1 wherein the arc of the arcuate slot (81) is the same as the arc of the screen (41).
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