CN102974531B - Soil purification separator - Google Patents

Abstract

The invention discloses a soil purification separator, which comprises a frame, a mixture lifting device, a material receiving bin, a large material screen, a double-layer vibrating rotary screening device and a receiving hopper, and the mixture lifting device is installed at the rear of the frame , There is a material inlet at the front of the receiving bin, and a large material outlet and a medium material outlet at the rear of the receiving bin. The receiving bin is fixed on the frame obliquely, and the large material screen is located Below the warehouse, the large material screen is fixed on the frame obliquely, the double-layer vibrating rotary screening device is located under the large material screen, the double-layer vibrating rotary screening device is obliquely installed on the frame, and the receiving hopper is fixed on the frame. The front end of the receiving hopper is fixed with a guide partition that divides it into a large material collection bin and a medium material collection bin. The lower part of the large material collection bin is provided with a large material discharge door, and the bottom of the medium material collection bin is provided with a Middle material discharge door. The invention can effectively screen the mixed soil to achieve physical purification of the soil, has high efficiency, low labor intensity and low cost.

Description

Soil purification separator

technical field

The invention belongs to soil purification equipment, in particular to a soil purification separator capable of separating and purifying mixed soil.

Background technique

With the full advancement of economic construction, construction waste is also increasing, and domestic waste pollution is also a serious problem we are facing. Except for the less developed areas, most of the domestic waste in towns and villages is mainly stacked in the open air. After long-term exposure to the sun and rain, the leachate of harmful substances in the domestic waste seeps into the soil, resulting in a series of physical and chemical processes. And biological reactions, such as filtration, adsorption, precipitation, or absorption by plant roots or microbial synthesis, causing soil pollution, thereby reducing soil quality. What's more, under the action of various natural forces, the construction waste will slowly settle into smaller pieces of gravel, penetrate into the subsoil, change the material composition of the soil, destroy the structure of the soil, and reduce the productivity of the soil. At present, most rural areas in China use manpower to purify the soil, and there is no ready-made mechanical equipment for this field, so the labor workload is large, the work efficiency is low, and the labor intensity and labor cost are high.

Contents of the invention

The object of the present invention is to overcome above-mentioned deficiencies in the prior art, provide a kind of soil purification separator, its structure is simple, reasonable in design and easy to use and operate, can effectively screen mixed soil, reach the physical purification of soil, can Instead of traditional labor operations, it has high efficiency, low labor intensity and low cost.

In order to achieve the above object, the technical solution adopted by the present invention is: a soil purification separator, which is characterized in that it includes a frame, a mixture lifting device, a material receiving bin, a large material screen, a double-layer vibrating rotary screening device and The receiving hopper, the mixture lifting device is installed obliquely at the rear of the frame through a telescopic support rod and is used to scoop up the soil to be purified and lift upwards, the receiving bin is an inverted bin with an open bottom, and the receiving bin There is a material inlet at the front of the bin, and a large material outlet and a middle material outlet at the rear of the receiving bin, and the middle material outlet is located below the large material outlet. The receiving bin is obliquely fixed on the frame and used to receive the soil to be purified lifted by the mixture lifting device, the large material screen is located under the receiving bin, and the large material screen is obliquely fixed on the frame It is used for preliminary screening and purification of the soil to be purified received by the docking silo. The double-layer vibratory rotary screening device is located below the large material screen, and the double-layer vibratory rotary screening device is installed obliquely on the frame It is used to carry out secondary screening and purification of the soil after the primary screening and purification of the large material screen. The receiving hopper is fixed on the front end of the frame. It is divided into the material guide partition of the large material collection bin and the middle material collection bin. The large material collection bin communicates with the large material outlet, and the lower part of the large material collection bin is provided with a large material discharge door. The intermediate material collection bin communicates with the intermediate material outlet, and the bottom of the intermediate material collection bin is provided with an intermediate material discharge door.

The above-mentioned soil purification separator is characterized in that: the mixture lifting device includes a mounting plate, a lifting motor, an upper bearing seat, a lower bearing seat, a driving sprocket, a driven sprocket, a chain and a lifting bucket, and the mounting plate The lifting motor is installed on the upper end of the mounting plate, the number of the upper bearing seat and the lower bearing seat are equal and both are two, and the two upper bearing seats are symmetrically fixed on both sides of the upper end of the mounting plate. Upper bearings are installed in each of the upper bearing seats, and an upper shaft is installed between the two upper bearings. One end of the upper shaft is fixedly connected with the output shaft of the lifting motor, and the driving sprocket is fixedly installed on the upper shaft. On the shaft, the two lower bearing seats are symmetrically installed on both sides of the lower end of the mounting plate, the lower bearings are installed in the two lower bearing seats, the lower shaft is installed between the two lower bearings, and the driven chain The wheel is fixedly installed on the lower shaft, and the chain connects the driving sprocket and the driven sprocket to form a chain transmission. The number of the lifting buckets is multiple, and the multiple lifting buckets are evenly installed on the chain.

The above-mentioned soil purification separator is characterized in that: the telescopic support rod is composed of a long telescopic support rod and a short telescopic support rod, the short telescopic support rod is located behind the long telescopic support rod, and the long telescopic support rod and the short telescopic support rod are The number of telescopic support rods is equal and both are two. The two long telescopic support rods are symmetrically arranged left and right, and the two short telescopic support rods are symmetrically arranged left and right. The structures of the long telescopic support rods and the short telescopic support rods are the same and all include a fixed rod and a moving rod that cooperates with the fixed rod and can move up and down along the fixed rod, the fixed rod is fixed at the rear of the frame, the upper end of the movable rod is fixedly connected with the mounting plate, There is a limit hole for limiting the moving rod. The moving rod is fixed on the fixed rod through a stud and a nut. The stud passes through the limit hole. The number of the nuts is two. Two nuts are respectively fastened on both ends of the stud.

The above-mentioned soil purification separator is characterized in that: the double-layer vibrating rotary screening device includes a vibrating motor, a large pulley, a small pulley, a belt, a driving drum, a rotating shaft, an upper guide rod, an upper guide rod seat, a Moving drum, fixed shaft, lower guide rod, lower guide rod seat and screen belt, the upper guide rod seat is matched with the upper guide rod, the number of the upper guide rod seat and the upper guide rod is equal and both are two , the two upper guide rod seats are respectively fixed on the left and right sides of the frame and close to the positions of the telescopic support rods, the two upper guide rods are respectively inserted into the two upper guide rod seats, one of the upper The lower end of the guide rod seat is fixed with a mounting frame, the vibration motor is mounted on the mounting frame, the large pulley is fixed on the output shaft of the vibration motor, the small pulley and the driving roller are fixed on the rotating shaft, The belt is connected to the large pulley and the small pulley to form a belt transmission. Both ends of the rotating shaft are provided with bearing seats, and an upper bearing is installed in the bearing seat, and the upper bearing is sleeved on the rotating shaft. The bearing seat is fixedly connected with the upper end of the upper guide rod, the upper part of the upper guide rod and the upper end of the upper guide rod seat are inherently first bosses, and a first spring is arranged between the two first bosses, so The first spring is sleeved on the upper guide rod; the number of the lower guide rod seat and the lower guide rod is equal and both are two, and the two lower guide rod seats are respectively fixed on the left and right sides of the frame and close to the retractable At the position of the hopper, the lower guide rods are respectively inserted into the two lower guide rod seats, the driven roller is rotatably mounted on the fixed shaft through the two lower bearings, and the screen belt is located under the large material screen and connected The driving roller and the driven roller, the upper end of the lower guide rod is fixedly connected with the fixed shaft, the upper part of the lower guide rod and the upper end of the lower guide rod seat are fixed with second bosses, and the two second bosses A second spring is arranged between them, and the second spring is sleeved on the lower guide rod.

The above-mentioned soil purification separator is characterized in that: the upper end of the moving rod is fixedly connected to the mounting plate through bolts.

The above-mentioned soil purification separator is characterized in that: the bottom of the frame is equipped with traveling wheels, and the number of the traveling wheels is four.

The above-mentioned soil purification separator is characterized in that: the upper part of the large material collection bin is provided with an observation window.

The above-mentioned soil purification separator is characterized in that: the angle between the large material screen and the horizontal plane is 25°-35°, and the screen belt is parallel to the large material screen.

The above-mentioned soil purification separator is characterized in that: both the fixed rod and the moving rod are channel steel.

Compared with the prior art, the present invention has the following advantages:

1. The present invention is simple in structure, reasonable in design and convenient in use and operation, and can effectively screen mixed soil to achieve physical purification of soil.

2. The present invention realizes the use of machinery instead of commonly used manual operations, which greatly improves work efficiency and operating costs, and has low labor intensity. At the same time, it adopts a double-layer vibrating gyratory screening device. Do a good job of pre-purification and screening work so that the subsequent work of biological improvement of soil can be carried out smoothly.

3. The top of the double-layer vibratory rotary screening device of the present invention is a fixed large material screen, which can screen the primary large material, and then the screen of the double-layer vibratory rotary screening device installed on the frame through soft support The mesh belt is used for secondary screening and purification and tertiary screening and purification. The screen belt rotates and vibrates during screening, which prolongs the vibrating screening time of the material and the screening effect is good.

4. The invention installs the mixture lifting device, large material screen and double-layer vibrating rotary screening device on the frame at the same time, which greatly improves the working efficiency.

The present invention will be described in further detail below with reference to the accompanying drawings and examples.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

FIG. 2 is an enlarged view of A in FIG. 1 .

FIG. 3 is an enlarged view of B in FIG. 1 .

FIG. 4 is a top view of FIG. 1 .

FIG. 5 is an enlarged view of point C in FIG. 4 .

Fig. 6 is a schematic diagram of the connection relationship between the rotating shaft, the upper bearing, the bearing seat, the driving roller, the small pulley and the belt in the present invention.

Explanation of reference signs:

1—Hopper; 1-1—Large material collection bin; 1-11—Observation window;

1-2—intermediate material collection bin; 1-12—large material discharge door; 1-21—intermediate material discharge door;

1-3—material guide partition; 2—driven roller; 3—large material screen;

4—vibration motor; 5—drive drum; 6—lifting bucket;

7—Second spring; 8—Chain; 9—Rack;

10—walking wheel; 11—mounting plate; 12—lifting motor;

13-1—upper bearing seat; 13-2—lower bearing seat; 14-1—drive sprocket;

14-2—driven sprocket; 15—large pulley; 16—belt;

17—small pulley; 18—screen belt; 19—upper guide rod;

20-1—fixed rod; 20-2—moving rod; 21—rotating shaft;

22—screw; 23—nut; 24—lower guide rod seat;

25—receiving bin; 25-1—feed inlet; 25-2—large material outlet;

25-3—medium material outlet; 26—upper bearing; 27—bearing seat;

28—the first boss; 29—the first spring; 30—the lower bearing;

31—second boss; 32—mounting frame; 33—bolt;

34—screw; 35—limiting hole.

Detailed ways

As shown in Fig. 1 and Fig. 4, the present invention comprises frame 9, mixture hoisting device, receiving bin 25, large material screen 3, double-deck vibrating rotary screening device and receiving hopper 1, and described mixture hoisting device It is installed obliquely on the rear portion of the frame 9 through telescopic support rods and is used to scoop up the soil to be purified and lift upwards. The receiving bin 25 is an inverted bin body with an open bottom, and the front portion of the receiving bin 25 has a The feed port 25-1, the rear part of the receiving bin 25 is provided with a large material discharge port 25-2 and a medium material discharge port 25-3, and the medium material discharge port 25-3 is located at the large material discharge port Below the feed port 25-2, the receiving bin 25 is obliquely fixed on the frame 9 and is used to receive the soil to be purified lifted by the mixture lifting device, and the large material screen 3 is located in the receiving bin 25 Below, the large material screen 3 is obliquely fixed on the frame 9 and used for preliminary screening and purification of the soil to be purified received by the docking silo 25, and the double-layer vibrating rotary screening device is located on the large material screen 3, the double-layer vibrating rotary screening device is installed obliquely on the frame 9 and is used to carry out secondary screening and purification of the soil after the primary screening and purification of the large material screen 3, so that The receiving hopper 1 is fixed on the front end of the frame 9, and the inside of the receiving hopper 1 is fixed with a material guide partition 1-3 for dividing it into a large material collection bin 1-1 and an intermediate material collection bin 1-2, The large material collection bin 1-1 communicates with the large material discharge port 25-2, the lower part of the large material collection bin 1-1 is provided with a large material discharge door 1-12, and the middle material collection bin 1- 2 communicates with the medium material outlet 25-3, and the bottom of the medium material collection bin 1-2 is provided with a medium material discharge door 1-21.

As shown in Figures 1 and 4, the mixture lifting device includes a mounting plate 11, a lifting motor 12, an upper bearing seat 13-1, a lower bearing seat 13-2, a driving sprocket 14-1, and a driven sprocket 14 -2, the chain 8 and the lifting bucket 6, the mounting plate 11 is arranged obliquely, the lifting motor 12 is installed on the upper end of the mounting plate 11, the number of the upper bearing seat 13-1 and the lower bearing seat 13-2 are equal and Both are two. The two upper bearing seats 13-1 are symmetrically fixed on both sides of the upper end of the mounting plate 11. Upper bearings are installed in the two upper bearing seats 13-1. There is an upper shaft, one end of the upper shaft is fixedly connected with the output shaft of the lifting motor 12, the driving sprocket 14-1 is fixedly installed on the upper shaft, and the two lower bearing seats 13-2 are symmetrically installed on the On both sides of the lower end of the mounting plate 11, lower bearings are installed in the two lower bearing seats 13-2, and a lower shaft is installed between the two lower bearings, and the driven sprocket 14-2 is fixedly installed on the On the lower shaft, the chain 8 is connected to the driving sprocket 14-1 and the driven sprocket 14-2 to form a chain transmission. The number of the lifting buckets 6 is multiple, and the multiple lifting buckets 6 are evenly installed on the chain. 8 on.

As shown in Figure 1 and Figure 5, the telescopic support rod is composed of a long telescopic support rod and a short telescopic support rod, the short telescopic support rod is located behind the long telescopic support rod, and the long telescopic support rod and the short telescopic support rod The number of rods is equal and both are two. The two long telescopic support rods are symmetrically arranged left and right, and the two short telescopic support rods are symmetrically arranged left and right. The structures of the long telescopic support rods and the short telescopic support rods are the same and It includes a fixed rod 20-1 and a moving rod 20-2 that cooperates with the fixed rod 20-1 and can move up and down along the fixed rod 20-1. The fixed rod 20-1 is fixed on the rear portion of the frame 9. The upper end of the moving rod 20-2 is fixedly connected with the mounting plate 11, and the fixed rod 20-1 is provided with a limit hole 35 for limiting the moving rod 20-2, and the moving rod 20-2 passes through a stud 34 and the nut 23 are fixed on the fixed rod 20-1, the stud 34 passes through the limit hole 35, the number of the nut 23 is two, and the two nuts 23 are respectively fastened on the two sides of the stud 34. end.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 6, the double-layer vibrating rotary screening device includes a vibrating motor 4, a large pulley 15, a small pulley 17, a belt 16, a driving drum 5, a rotating Axle 21, upper guide rod 19, upper guide rod seat 23, driven drum 2, fixed shaft 22, lower guide rod 20, lower guide rod seat 24 and screen belt 18, described upper guide rod seat 23 and upper guide rod 19, the number of the upper guide rod base 23 and the upper guide rod 19 are equal and both are two, and the two upper guide rod bases 23 are respectively fixed on the left and right sides of the frame 9 and close to the telescopic support At the rod position, the two upper guide rods 19 are respectively inserted into two upper guide rod seats 23, the lower end of one of the upper guide rod seats 23 is fixed with a mounting frame 32, and the vibration motor 4 is installed on the mounting frame 32 Above, the large pulley 15 is fixedly installed on the output shaft of the vibration motor 4, the small pulley 17 and the driving drum 5 are fixed on the rotating shaft 21, and the belt 16 is connected to the large pulley 15 and the small pulley 17 and form a belt transmission, the two ends of the rotating shaft 21 are provided with bearing housings 27, the upper bearings 26 are installed in the bearing housings 27, the upper bearings 26 are sleeved on the rotating shaft 21, and the bearing housings 27 It is fixedly connected with the upper end of the upper guide rod 19, the upper part of the upper guide rod 19 and the upper end of the upper guide rod seat 23 have a first boss 28, and a first spring is arranged between the two first bosses 28 29. The first spring 29 is set on the upper guide rod 19; the number of the lower guide rod base 24 and the lower guide rod 20 are equal and both are two, and the two lower guide rod bases 24 are respectively fixed on the machine On the left and right sides of the frame 9 and close to the receiving hopper 1, the lower guide rods 20 are respectively inserted into the two lower guide rod seats 24, and the driven roller 2 is rotatably mounted on the fixed shaft 22 through the two lower bearings 30 , the screen belt 18 is located below the large material screen 3 and connects the driving drum 5 and the driven drum 2, the upper end of the lower guide rod 20 is fixedly connected with the fixed shaft 22, the upper part of the lower guide rod 20 and the The upper ends of the lower guide rod bases 24 are fixed with second bosses 31 , and a second spring 7 is arranged between the two second bosses 31 , and the second spring 7 is sleeved on the lower guide rod 20 .

As shown in FIG. 1 , the upper end of the moving rod 20 - 2 is fixedly connected to the mounting plate 11 through a bolt 33 .

As shown in Figure 1, the bottom of the frame 9 is equipped with road wheels 10, mainly in order to ensure that the complete machine can transition and move easily, the number of the road wheels 10 is four.

As shown in FIG. 1 , an observation window 1-11 is arranged on the upper part of the bulk material collection bin 1-1.

As shown in FIG. 1 , the included angle between the large material screen 3 and the horizontal plane is 25° to 35°, and the screen belt 18 is parallel to the large material screen 3 .

In this embodiment, both the fixed rod 20-1 and the moving rod 20-2 are channel steel, when the moving rod 20-2 moves to a proper position along the fixed rod 20-1, the stud 34 passes through the limit The hole 35 and the two nuts 23 are respectively fastened to the two ends of the stud 34 to achieve positioning, and then the adjustment of the inclination angle of the mounting plate 11 can be realized.

In this embodiment, the large material screen 3 is welded by fine iron wire, the vibration motor 4 is an asynchronous motor, and its power should be able to ensure a good screening effect of the equipment under a reasonable workload; the opening of the lifting bucket 6 is welded by iron sheets Type bucket, is connected with the iron plate that is fixed on the chain 8 by screw.

The working principle of the present invention is: when in use, the present invention is placed on the dragging equipment, the angle of the mounting plate 11 is adjusted to a suitable position by adjusting the position of the moving rod 20-2, the soil to be purified is scooped up by the lifting bucket 6, and the The motor 12 runs and drives the upper shaft fixedly connected with its output shaft to rotate. Because the driving sprocket 14-1 is fixedly installed on the upper shaft, the driving sprocket 14-1 rotates, driving the chain 8 to rotate, and then driving the lifting bucket 6 to lift upwards , at the upper end of the mounting plate 11, the soil to be purified by shoveling is inverted at the feed inlet 25-1 and continues to shovel the soil. The soil to be purified falls on the large material screen 3, and the soil to be purified is processed by the large material screen 3. Preliminary screening and purification, under the action of gravity, materials with larger particle sizes cannot pass through the large material screen 3, and roll into the large material collection bin 1-1 along the large material screen 3, medium and small particle sizes The materials fall through the large material screen 3 onto the screen belt 18 of the double-layer vibrating rotary screening device. Under the vibration of the vibrating motor 4, materials with relatively large particle sizes cannot pass through the screen belt 18 and roll into the screen in turn. The medium material collection bin 1-2, due to the vibration of the screen belt 18, the material on it is loosened and thrown up, so that the soil with small particle size is easy to fall into the ground soil through the screen belt 18, and the material that falls to the ground Small particle size materials can be further improved by bio-fertilizer technology to form soil materials suitable for cultivation. The above-mentioned double-layer vibratory gyratory screening device is vibrating and screening at the same time, and under the action of the vibrating motor 4, the screen belt 18 is also continuously rotating to convey materials. Specifically, when the vibrating motor 4 is rotating, due to the large pulley 15 is fixedly installed on the output shaft of vibrating motor 4, so big pulley 15 rotates, drives small pulley 17 to rotate, because small pulley 17 and driving roller 5 are all fixed on the rotating shaft 21, so driving roller 5 rotates, drives Screen belt 18 rotates continuously and carries out feeding. In the present invention, since the vibration motor 4 is installed on the upper guide bar 19 through the mounting frame 32, the vibration motor 4 also participates in the vibration. In addition, the upper guide rod base 23 and the lower guide rod base 24 are fixedly installed on the frame 9, the upper guide rod base 23 cooperates with the upper guide rod 19, the lower guide rod base 24 cooperates with the lower guide rod 20, and The first spring 29 is sleeved on the upper guide rod 19, the second spring 7 is sleeved on the lower guide rod 20, and the soft support of the double-layer vibratory rotary screening device is installed on the frame 9, so that the double-layer vibratory rotary screening device Under the action of the vibrating motor, the material can be rotated and conveyed normally, and at the same time, the entire double-layer vibrating rotary screening device can be moved along the upper guide rod seat 23 and the lower guide rod seat under the action of the first spring 29 and the second spring 7. 24 Vibrate up and down without interfering with or colliding with any part.

The present invention is mainly aimed at waste soil, fields and riversides where garbage is piled up, and removes a large amount of garbage covered on the surface, as well as various small construction wastes such as broken small stones, concrete blocks, plastic sheets and other soils that are difficult to degrade. materials. The soil purification separator of the present invention can be used in conjunction with agricultural machinery. For generally hard soil, the soil is first loosened with a rotary tiller, and then the soil is screened by the soil purification separator to remove the soil mixed with Large-sized stones, garbage and other sundries can be removed to achieve physical screening and purification of the soil.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any way. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present invention still belong to the technology of the present invention. within the scope of protection of the scheme.

Claims (8)

1. A soil purification separator, characterized in that: comprising a frame (9), a mixture lifting device, a receiving bin (25), a large material screen (3), a double-deck vibrating rotary screening device and a receiving hopper (1), the mixture lifting device is obliquely installed at the rear of the frame (9) through a telescopic support rod and is used to scoop up the soil to be purified and lift upwards, and the receiving bin (25) is an inverted bottom opening The bin body, the front part of the receiving bin (25) has a feed inlet (25-1), and the rear part of the receiving bin (25) has a large material outlet (25-2) and a middle material outlet (25-3), the middle material outlet (25-3) is located below the large material outlet (25-2), and the receiving bin (25) is obliquely fixed on the frame ( 9) and is used to receive the soil to be purified lifted by the mixture lifting device, the large material screen (3) is located below the receiving bin (25), and the large material screen (3) is fixed obliquely On the frame (9) and used for preliminary screening and purification of the soil to be purified received by the docking bin (25), the double-layer vibrating rotary screening device is located below the large material screen (3), the The double-layer vibratory rotary screening device is installed obliquely on the frame (9) and is used for secondary screening and purification of the soil after the primary screening and purification of the large material screen (3). The hopper (1) is fixed on the front end of the frame (9), and the inside of the receiving hopper (1) is fixed to be divided into a large material collection bin (1-1) and a medium material collection bin (1-2). The material guide partition (1-3), the large material collection bin (1-1) communicates with the large material discharge port (25-2), and the bottom of the large material collection bin (1-1) is provided with a large The material discharge door (1-12), the medium material collection bin (1-2) communicates with the medium material discharge port (25-3), and the bottom of the medium material collection bin (1-2) is provided with a middle Material discharge door (1-21); The mixture lifting device includes a mounting plate (11), a lifting motor (12), an upper bearing seat (13-1), a lower bearing seat (13-2), a driving sprocket (14-1), a driven sprocket (14-2), chain (8) and hoisting bucket (6), described mounting plate (11) is inclined to set, and described lifting motor (12) is installed on the upper end of mounting plate (11), and described upper bearing seat ( 13-1) and the lower bearing seats (13-2) are equal in number and both are two, and the two upper bearing seats (13-1) are symmetrically fixed on both sides of the upper end of the mounting plate (11), and the two Upper bearings are installed in the upper bearing seats (13-1), and an upper shaft is installed between the two upper bearings. One end of the upper shaft is fixedly connected with the output shaft of the lifting motor (12), and the driving sprocket (14-1) is fixedly installed on the upper shaft, and the two lower bearing seats (13-2) are symmetrically installed on both sides of the lower end of the mounting plate (11), and the two lower bearing seats (13-2 ) are equipped with lower bearings, a lower shaft is installed between the two lower bearings, the driven sprocket (14-2) is fixedly installed on the lower shaft, and the chain (8) is connected to the driving sprocket ( 14-1) and the driven sprocket (14-2) and form a chain transmission, the number of the lifting buckets (6) is multiple, and the multiple lifting buckets (6) are evenly installed on the chain (8). 2. The soil purification separator according to claim 1, wherein the telescopic support rod is composed of a long telescopic support rod and a short telescopic support rod, and the short telescopic support rod is positioned at the rear of the long telescopic support rod. The number of the long telescopic support rods and the short telescopic support rods are equal and both are two, the two long telescopic support rods are symmetrically arranged left and right, the two short telescopic support rods are symmetrically arranged left and right, the long telescopic support rods and the The short telescopic support rods have the same structure and all include a fixed rod (20-1) and a moving rod (20-2) that cooperates with the fixed rod (20-1) and can move up and down along the fixed rod (20-1). The fixed rod (20-1) is fixed on the rear portion of the frame (9), the upper end of the moving rod (20-2) is fixedly connected with the mounting plate (11), and the upper end of the fixed rod (20-1) is opened There is a limiting hole (35) for limiting the moving rod (20-2), and the moving rod (20-2) is fixed on the fixed rod (20-1) by a stud (34) and a nut (23) Above, the stud (34) passes through the limit hole (35), the number of the nuts (23) is two, and the two nuts (23) are respectively fastened to the two ends of the stud (34) . 3. According to the described soil purification separator of claim 1 or 2, it is characterized in that: said double-deck vibrating rotary screening device comprises a vibrating motor (4), a large pulley (15), a small pulley (17), Belt (16), driving roller (5), rotating shaft (21), upper guide rod (19), upper guide rod seat (23), driven roller (2), fixed shaft (22), lower guide rod (20 ), the lower guide rod seat (24) and the screen belt (18), the upper guide rod seat (23) is matched with the upper guide rod (19), and the upper guide rod seat (23) and the upper guide rod ( 19) are equal in number and both are two, and the two upper guide rod seats (23) are respectively fixed on the left and right sides of the frame (9) and close to the position of the telescopic support rod, and the two upper guide rod seats (23) Rod (19) is inserted in two upper guide rod seats (23) respectively, and the lower end of one of said upper guide bar seats (23) is fixed with mounting frame (32), and described vibrating motor (4) is installed on mounting frame ( 32), the large pulley (15) is fixedly mounted on the output shaft of the vibration motor (4), and the small pulley (17) and the driving roller (5) are fixed on the rotating shaft (21), so The belt (16) connects the large pulley (15) and the small pulley (17) and forms a belt transmission, and the two ends of the rotating shaft (21) are all provided with a bearing seat (27), and the bearing seat (27) An upper bearing (26) is installed inside, and the upper bearing (26) is sleeved on the rotating shaft (21), and the bearing seat (27) is fixedly connected with the upper end of the upper guide rod (19), and the upper guide rod ( 19) and the upper end of the upper guide rod seat (23) have a first boss (28), and a first spring (29) is arranged between the two first bosses (28). The spring (29) is sleeved on the upper guide rod (19); the number of the lower guide rod seat (24) and the lower guide rod (20) is equal and two, and the two lower guide rod seats (24) They are respectively fixed on the left and right sides of the frame (9) and close to the receiving hopper (1), the lower guide rods (20) are respectively inserted into the two lower guide rod seats (24), and the driven rollers (2 ) is installed on the fixed shaft (22) through two lower bearings (30), and the screen belt (18) is located below the large material screen (3) and connects the driving drum (5) and the driven drum (2 ), the upper end of the lower guide rod (20) is fixedly connected with the fixed shaft (22), and the upper part of the lower guide rod (20) and the upper end of the lower guide rod seat (24) are fixed with the second boss (31 ), a second spring (7) is arranged between the two second bosses (31), and the second spring (7) is sleeved on the lower guide rod (20). 4. The soil purification separator according to claim 2, characterized in that: the upper end of the moving rod (20-2) is fixedly connected to the mounting plate (11) through bolts (33). 5. The soil purification separator according to claim 1 or 2, characterized in that: the bottom of the frame (9) is equipped with traveling wheels (10), and the number of the traveling wheels (10) is four. 6. The soil purification separator according to claim 1 or 2, characterized in that: an observation window (1-11) is arranged on the upper part of the bulk material collection bin (1-1). 7. The soil purification separator according to claim 3, characterized in that: the angle between the large material screen (3) and the horizontal plane is 25 ° to 35 °, and the screen belt (18) and The large material screen (3) is parallel. 8. The soil purification separator according to claim 2, characterized in that: the fixed rod (20-1) and the moving rod (20-2) are both channel steel.