CN210474962U

CN210474962U - Soil remediation device

Info

Publication number: CN210474962U
Application number: CN201921208166.7U
Authority: CN
Inventors: 庄达升; 杨清民; 吕罗妹; 陈恩艺
Original assignee: Guangdong Changhai Construction Engineering Co Ltd
Current assignee: Guangdong Changhai Construction Engineering Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-08
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a soil remediation device belongs to the soil remediation field, including the box and with the first feed inlet of box upper end intercommunication, the box both sides are rotated and are connected with driving shaft and the driven shaft that is parallel to each other, and box one side is provided with the side case, and the side incasement is provided with driving motor, driving motor output shaft and driving shaft coaxial coupling. The driving shaft and the driven shaft are respectively and coaxially connected with gears, the two gears are mutually meshed, the driving shaft and the driven shaft are respectively sleeved with a driving roller wheel and a driven roller wheel, a narrow gap is formed between the driving roller wheel and the driven roller wheel, a feeding opening is formed in one side of the box body, the feeding opening is communicated with the stirring box, the upper end face of the stirring box is rotatably connected with a stirring shaft which vertically runs through the upper end face of the stirring box, one end of the stirring shaft in the stirring box is coaxially connected with a stirring blade, a linkage device is arranged between the driving motor and the stirring shaft, the lower end face of the stirring box is communicated.

Description

Soil remediation device

Technical Field

The utility model belongs to the technical field of the soil remediation and specifically relates to a soil remediation device is related to.

Background

At present, agriculture in China develops rapidly, and the harm of pests to crops is greatly reduced by using pesticides, so that the land yield is increased. Meanwhile, the fertility and the quality of the soil are also supported by the pesticide, a cultivated land layer becomes hard, air permeability and water permeability are poor, the soil is hardened, the normal growth of crop roots is seriously influenced, the soil structure is damaged by long-term excessive application of the large chemical fertilizer, soil organic matters cannot be timely supplemented, and the soil is lack of nutrients.

Traditional soil prosthetic devices is directly to stir fertilizer and soil, but soil has the problem of hardening, leads to mixing with fertilizer and stirs inadequately abundant.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a soil remediation device has the advantage to soil and fertilizer intensive mixing stirring.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a soil remediation device, include the box and with the first feed inlet of box upper end intercommunication, characterized by: a side box is arranged on one side of the box body, a driving motor is arranged in the side box, an output shaft of the driving motor is coaxially connected with a driving shaft which is horizontally arranged in the box body, the driving shaft vertically penetrates through the side box and the box body, driven shafts which are parallel to the driving shaft and are positioned at the same height are rotatably connected with two sides of the box body, gears are respectively and coaxially connected on the driving shaft and the driven shafts, the two gears are mutually meshed, a driving roller is sleeved on the driving shaft, a driven roller is sleeved on the driven shaft, a gap for grinding soil is formed between the driving roller and the driven roller and is positioned under a first feed port, a feed port is arranged on one side of the box body and is communicated with the stirring box, a stirring shaft is rotatably connected on the upper end face of the stirring box and vertically penetrates through the upper end face of the stirring box, and a part, a linkage device is arranged between the driving motor and the stirring shaft, a discharging pipe is communicated with the lower end face of the stirring box, and the discharging pipe is provided with an electromagnetic valve.

By adopting the technical scheme, the driving shaft and the driven shaft are respectively and coaxially connected with the gears which are mutually meshed, so that the driving motor drives the driving shaft and the driven shaft to rotate at the same time, and the soil rolling function of the driving roller wheel and the driven roller wheel is favorably realized; a gap for grinding soil is formed between the driving roller and the driven roller and is positioned right below the first feeding hole, so that the soil passes through the gap and is crushed under the rotation of the driving roller and the driven roller, and the soil and the fertilizer are favorably mixed; the linkage device is arranged between the driving motor and the stirring shaft, so that the driving motor drives the driving roller and the stirring shaft to rotate at the same time, the stirring blade is driven to work, the stirring blade is enabled to rotate and stir in a mixture of soil and fertilizer at a high speed, and the soil and the fertilizer are favorably and fully stirred; through set up the solenoid valve in the discharging pipe to when the solenoid valve was closed, make soil and fertilizer carry out intensive mixing under the high-speed rotation of stirring vane in the agitator tank, when the solenoid valve was opened, make the mixture of soil and fertilizer after the stirring derived from the discharging pipe opening part, thereby the switching through the solenoid valve is favorable to realizing the intensive mixing of soil and fertilizer.

The utility model discloses further set up to: the periphery of initiative running roller with the periphery of driven running roller is provided with a plurality of sand grips respectively, the sand grip on the initiative running roller sets up with the sand grip on the driven running roller in the wrong order mutually.

Through adopting above-mentioned technical scheme, set up a plurality of sand grips at the outer peripheral face of initiative running roller and the outer peripheral face of driven running roller for the area of contact increase of initiative running roller and driving roller and soil, thereby make the soil caking ground under the extrusion of sand grip, be favorable to the intensive mixing of soil and fertilizer.

The utility model discloses further set up to: the side case is located the agitator tank top, the aggregate unit sets up in the side incasement, the aggregate unit includes first bevel gear, second bevel gear, connecting axle, first synchronizing wheel, second synchronizing wheel and hold-in range, first bevel gear and driving motor's output shaft coaxial coupling, the connecting axle sets up perpendicularly in the side incasement bottom surface and is connected with the rotation of side incasement bottom surface, second bevel gear coaxial coupling is kept away from the one end of side incasement bottom surface at the connecting axle and is engaged with first bevel gear, first synchronizing wheel coaxial coupling just is located second bevel gear below on the connecting axle, the (mixing) shaft sets up one end and second synchronizing wheel coaxial coupling in the side incasement, the hold-in range cup joints between first synchronizing wheel and second synchronizing wheel, the hold-in range level sets up in the side incasement.

By adopting the technical scheme, the output shaft of the driving motor and the connecting shaft are respectively provided with the first bevel gear and the second bevel gear which are meshed with each other, so that the driving motor drives the connecting shaft vertical to the driving shaft to rotate, and the transmission of power in the vertical direction is facilitated; meanwhile, the arrangement of the first synchronizing wheel, the second synchronizing wheel and the synchronous belt enables the power of the connecting shaft to be transmitted to the stirring shaft, so that the transmission of the power in the parallel direction is facilitated; therefore make driving motor also drive the (mixing) shaft rotation when driving the running roller to driving motor orders about the soil of driving running roller and driven voller wheel pair caking and rolls, and drives stirring vane simultaneously and stirs soil and fertilizer, is favorable to reducing power device, thereby reduces the manufacturing cost of equipment.

The utility model discloses further set up to: a supporting plate is horizontally arranged in the box body and is positioned below the driving roller, three side surfaces of the supporting plate are respectively and fixedly connected with three inner side surfaces of the box body, the other side surface of the supporting plate is arranged towards the feeding port, one side of the supporting plate close to the feeding port is hinged with a push plate positioned above the supporting plate, the edge of the push plate close to the feeding port is hinged with the edge of the supporting plate close to the feeding port, the inner side of the box body is fixedly provided with a feeding motor positioned below the supporting plate, an output shaft of the feeding motor is coaxially connected with a rotating shaft which is horizontally arranged and is parallel to the side surface of the box body provided with the feeding port, the rotating shaft is coaxially connected with two disc-shaped cams which are just opposite to each other, the disc-shaped cams are slidably connected with supporting rods positioned above the disc-, and one end of the support rod, which is far away from the disc cam, is in sliding connection with the lower end face of the push plate.

By adopting the technical scheme, the disc-shaped cam is coaxially connected with the rotary shaft, so that the feeding motor drives the disc-shaped cam to rotate; the disc cam is connected with the supporting rod positioned above the disc cam in a sliding manner, so that the disc cam pushes the supporting rod upwards; the supporting plate penetrates through two limiting holes for circumferentially limiting the supporting rod, so that the supporting rod can vertically move up and down under the circumferential limiting of the limiting holes; the push plate is hinged with the support plate, so that the push plate rotates around the edge of the support plate under the pushing action of the support rod, and soil and fertilizer falling on the push plate are pushed to the stirring box through the feeding port, thereby being beneficial to realizing the transfer of a soil and fertilizer mixture; through being fixed with the backup pad that is located the push pedal below in the box for when the push pedal is in the horizontality, the backup pad provides the holding power for the push pedal, thereby improves the stability of push pedal.

The utility model discloses further set up to: the end surface has two dovetail grooves along push pedal length direction under the push pedal, the bracing piece is kept away from the one end of disk cam and is articulated have with dovetail sliding connection's dovetail piece.

By adopting the technical scheme, the dovetail groove circumferentially limits the dovetail block hinged with the supporting rod, so that the dovetail block is not easy to fall off from the lower end face of the push plate; meanwhile, under the pushing action of the supporting rod, the dovetail block moves along the length direction of the push plate under the guiding action of the dovetail groove, so that the push plate rotates around the hinged position of the push plate and the supporting plate, and the feeding work is favorably finished.

The utility model discloses further set up to: the profile of the disc cam is a closed curve formed by combining a semicircle and an outward convex arc line, and the axis of the rotating shaft is coincided with the axis of the semicircle.

Through adopting above-mentioned technical scheme for the bracing piece carries out the intermittent motion from top to bottom along the profile of disc cam, makes the push pedal carry out the intermittent motion of overturning from top to bottom around articulated department under the top push effect of bracing piece simultaneously, and through the automatic switching of cooperation motorised valve, thereby shift in batches and stir in batches soil and fertilizer.

The utility model discloses further set up to: one end of the support rod, which is close to the disc cam, is rotatably connected with a roller which is abutted against the disc cam.

Through adopting above-mentioned technical scheme for the bracing piece carries out rolling friction with the disc cam, thereby reduces the frictional force of bracing piece and disc cam, is favorable to reducing the degree of wearing and tearing of disc cam, thereby prolongs the life of disc cam.

The utility model discloses further set up to: and a second feeding hole is formed in one side of the box body and is positioned below the driving roller and the driven roller.

Through adopting above-mentioned technical scheme for fertilizer gets into from the second feed inlet, thereby makes soil and fertilizer feeding respectively, thereby the initiative running roller rolls soil with driven running roller alone, is favorable to improving the efficiency of grinding of initiative running roller and driven running roller pair soil.

The utility model discloses further set up to: the edge of the lower end of the second feed port is fixedly provided with a guide plate located below the driving roller, the other two opposite side faces of the guide plate are respectively abutted to the two inner side faces of the box body, and the guide plate inclines towards the direction of the push plate.

Through adopting above-mentioned technical scheme for fertilizer gets into and slides to the push pedal top in the lump after the baffle is smashed the soil of whereabouts from the top from the second feed inlet and through the baffle, is convenient for the mixture of soil and fertilizer.

To sum up, the utility model discloses following beneficial effect has:

1. the soil is crushed by the extrusion of the driving roller and the driven roller to the guide plate and falls from the gap between the driving roller and the driven roller to the guide plate, so that the crushed soil is favorably mixed with the fertilizer entering from the second feeding hole; the linkage device is arranged between the driving motor and the connecting shaft, so that the grinding work of the driving roller and the driven roller driven by the driving motor on the soil agglomerates is carried out together with the stirring work of the stirring blades, the soil is ground and the soil and fertilizer mixture is fully stirred, meanwhile, the power device of the soil remediation device is reduced, and the manufacturing cost of equipment is reduced; through the automatic opening and closing of the electromagnetic valve, when the electromagnetic valve is closed, the soil and the fertilizer are favorably fully stirred under the high-speed rotation of the stirring blades in the stirring box, and when the electromagnetic valve is opened, the stirred mixture of the soil and the fertilizer is led out from the opening of the discharge pipe, so that the batch stirring of the soil and the fertilizer is realized, and the mixture of the soil and the fertilizer is favorably fully stirred;

2. the convex strips are arranged on the driving roller and the driven roller, so that the contact area between the driving roller and the soil and the contact area between the driven roller and the soil are increased, and the soil crushing effect is improved;

3. through designing into the closed curve that semicircle and evagination pitch arc combine with the disc cam profile, and rotation axis and semicircle axis coincidence for realize the intermittent motion of rotation about the push pedal, be favorable to realizing that the push pedal shifts soil and fertilizer in batches.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view mainly used for embodying the connection relationship between the driving roller and the driven roller in the present invention;

fig. 5 is a schematic structural view mainly used for showing the connection relationship between the disc cam and the push plate in the present invention.

Reference numerals: 1. a box body; 2. a side box; 3. a stirring box; 4. a first feed port; 5. a second feed port; 6. a discharge pipe; 7. an electromagnetic valve; 8. a support leg; 9. a linkage device; 91. a first bevel gear; 92. a second bevel gear; 93. a connecting shaft; 94. a first synchronizing wheel; 95. a second synchronizing wheel; 96. a synchronous belt; 10. a drive motor; 11. a drive shaft; 12. a driven shaft; 13. a gear; 14. a driving roller; 15. a driven roller; 16. a stirring shaft; 161. a stirring blade; 17. a feeding motor; 18. a rotating shaft; 19. a disc cam; 20. a support bar; 201. a roller; 202. a dovetail block; 21. pushing the plate; 211. a dovetail groove; 22. a support plate; 221. a limiting hole; 23. a guide plate; 24. a feed port; 25. and (4) raised strips.

Detailed Description

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

As shown in figure 1, the soil remediation device comprises a box body 1, a side box 2 fixed on one side of the box body 1 and a stirring box 3 fixed on one side of the box body 1 and on the same side as the side box 2, wherein the upper end face of the stirring box 3 is fixedly connected with the lower bottom face of the side box 2. The lower end surface of the stirring box 3 is communicated with a discharge pipe 6, and the discharge pipe 6 is provided with an electric valve 7. The upper end surface of the box body 1 is communicated with a first feeding hole 4 for soil to enter, and one side of the box body 1, which is far away from the side box 2, is communicated with a second feeding hole 5 for fertilizer to enter. Four support legs 8 are fixed on the lower bottom surface of the box body 1.

As shown in fig. 2 and 4, a driving motor 10 is fixed in the side case 2, an output shaft of the driving motor 10 is coaxially connected with a driving shaft 11 horizontally arranged in the case 1, and the driving shaft 11 vertically penetrates through the side case 2 and the case 1. Two sides of the box body 1 are rotatably connected with driven shafts 12 which are parallel to the driving shaft 11 and are on the same horizontal plane with the driving shaft 11. The driving shaft 11 and the driven shaft 12 are respectively and coaxially connected with a gear 13, and the two gears 13 are meshed with each other. The driving shaft 11 is sleeved with a driving roller 14, and the driven shaft 12 is sleeved with a driven roller 15. The peripheral surface of the driving roller 14 and the peripheral surface of the driven roller 15 are respectively provided with a plurality of convex strips 25, and the convex strips 25 on the driving roller 14 and the convex strips 25 on the driven roller 15 are arranged in a staggered manner.

The upper end face of the stirring box 3 is rotatably connected with a stirring shaft 16 vertical to the upper end face of the stirring box 3, and the stirring shaft 16 penetrates through the lower bottom face of the side box 2 and the upper end face of the stirring box 3. The stirring shaft 16 is coaxially connected with a stirring blade 161 at a portion where the stirring shaft 16 is disposed in the stirring tank 3, and the stirring blade 161 is spirally disposed around the stirring shaft 16.

As shown in fig. 2 and 3, a linkage 9 located in the side box 2 is disposed between the driving motor 10 and the stirring shaft 16, and the linkage 9 includes a first bevel gear 91, a second bevel gear 92, a connecting shaft 93, a first synchronizing wheel 94, a second synchronizing wheel 95 and a synchronizing belt 96. First bevel gear 91 and driving motor 10's output shaft coaxial coupling, connecting axle 93 sets up perpendicularly in side case 2 bottom surface and with side case 2 bottom surface rotation is connected, second bevel gear 92 coaxial coupling is kept away from the one end of side case 2 bottom surface and is engaged with first bevel gear 91 at connecting axle 93, first synchronizing wheel 94 coaxial coupling is on connecting axle 93 and is located second bevel gear 92 below, the one end and the second synchronizing wheel 95 coaxial coupling of (mixing) shaft 16 setting in side case 2, hold-in range 96 cup joints between first synchronizing wheel 94 and second synchronizing wheel 95, hold-in range 96 level sets up in side case 2.

As shown in fig. 2 and 5, a feeding port 24 for communicating the box body 1 and the stirring box 3 is formed at one side of the box body 1 where the stirring box 3 is fixed, a rectangular support plate 22 is horizontally fixed at the lower end edge of the feeding port 24, and four side surfaces of the support plate 22 are respectively fixedly connected with four side surfaces of the box body 1. One side of the supporting plate 22 close to the feeding port 24 is hinged with a push plate 21 positioned above the supporting plate 22, one side of the push plate 21 close to the feeding port 24 is hinged with the edge of the supporting plate 22 close to the feeding port 24, and the other three sides of the push plate 21 are respectively abutted against the three sides of the box body 1. The lower end surface of the push plate 21 is provided with two dovetail grooves 211 along the length direction of the push plate 21, the two dovetail grooves 211 are respectively connected with dovetail blocks 202 in a sliding manner, the two dovetail blocks 202 are respectively hinged with support rods 20 which are oppositely arranged, and the support rods 20 are arranged perpendicular to the bottom surface of the box body 1. The supporting plate 22 is penetrated with a limit hole 221 for circumferentially limiting the supporting rod 20. A feeding motor 17 positioned below the supporting plate 22 is fixed on the inner side of the box body 1, and an output shaft of the feeding motor 17 is coaxially connected with a rotating shaft 18 which is horizontally arranged and is parallel to the side surface of the box body 1 provided with a feeding opening 24. The rotating shaft 18 is coaxially connected with two disc cams 19 which are arranged oppositely and are respectively positioned right below the two supporting rods 20, the outline of each disc cam 19 is designed into a closed curve combining a semicircle and an outward convex arc line, and the axis of the rotating shaft 18 is coincided with the axis of the semicircle. One end of the support rod 20, which is far away from the push plate 21, is rotatably connected with a roller 201 which is abutted with the outer peripheral surface of the disc cam 19.

The guide plate 23 positioned between the driving roller 14 and the push plate 21 is fixed in the box body 1, one side of the guide plate 23 close to the second feed port 5 is fixedly connected with the edge of the lower end of the feed port, and the other two opposite side surfaces of the guide plate 23 are respectively abutted against two inner side surfaces of the box body 1. The guide plate 23 is inclined toward the push plate 21.

The working conditions and principles of the embodiment are as follows:

when the soil remediation device starts to work, the output shaft of the driving motor 10 rotates to drive the driving shaft 11 to rotate, and the driving shaft 11 drives the driven shaft 12 to rotate in the opposite direction through the mutual meshing of the gears 13 respectively and coaxially connected to the driving shaft 11 and the driven shaft 12. Thereby driving the driving roller 14 and the driven roller 15 to perform the rolling operation. The output shaft of the driving motor 10 rotates to drive the first bevel gear 91 and drive the second bevel gear 92 meshed with the first bevel gear 91 to rotate, so as to drive the connecting shaft 93 to rotate, and the stirring shaft 16 is driven to rotate through the meshing transmission of the synchronous belt 96 and the first synchronous wheel 94 and the second synchronous wheel 95, so as to drive the stirring blades 161 in the stirring box 3 to perform stirring work. The driving roller 14 and the stirring blade 161 are driven by the motor to work simultaneously, so that the power device of the repairing device is reduced, and the manufacturing cost of the equipment is reduced.

Soil and fertilizer enter from the first feed inlet 4 and the second feed inlet 5 respectively, and the soil is crushed by being extruded by the convex strips 25 on the driving roller 14 and the driven roller 15 and falls to the guide plate 23 below from the gap between the driving roller 14 and the driven roller 15. While the soil is initially mixed with fertilizer on the guide plate 23 and slid over the push plate 21. Extrude soil through sand grip 25 to increased the area of contact of initiative running roller 14 and driven running roller 15 and soil, be favorable to improving the crushing effect to the soil caking.

The output shaft of the feeding motor 17 rotates to drive the rotating shaft 18 to rotate, so that the disc cam 19 is driven to rotate and the supporting rod 20 is driven to do vertical intermittent motion up and down, and the push plate 21 is driven to do intermittent motion of left and right rotation around the hinge joint. Through designing the profile design of disc cam 19 for the closed curve that semicircle and evagination pitch arc combine for push pedal 21 realizes intermittent type and rotates, thereby shifts soil and fertilizer in batches, is favorable to stirring abundant.

Soil and fertilizer are sent to agitator tank 3 through push pedal 21's upset motion and through pay-off mouth 24, and high-speed pivoted stirring vane 161 stirs soil and fertilizer, stirs abundant back, and solenoid valve 7 is opened, and the mixture of soil and fertilizer is derived from 6 opening parts of discharging pipe, is favorable to the intensive mixing to soil and fertilizer.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a soil remediation device, including box (1) and with first feed inlet (4) of box (1) upper end intercommunication, characterized by: the soil grinding machine is characterized in that a side box (2) is arranged on one side of the box body (1), a driving motor (10) is arranged in the side box (2), an output shaft of the driving motor (10) is coaxially connected with a driving shaft (11) horizontally arranged in the box body (1), the driving shaft (11) vertically penetrates through the side box (2) and the box body (1), driven shafts (12) which are parallel to the driving shaft (11) and located at the same height are rotatably connected to two sides of the box body (1), gears (13) are respectively and coaxially connected to the driving shaft (11) and the driven shafts (12), the two gears (13) are mutually meshed, a driving roller (14) is sleeved on the driving shaft (11), a driven roller (15) is sleeved on the driven shaft (12), and a gap for grinding soil is formed between the driving roller (14) and the driven roller (15) and located right below the first feeding hole (4), the improved stirring tank is characterized in that a feeding port (24) is formed in one side of the tank body (1), the feeding port (24) is communicated with the stirring tank (3), a stirring shaft (16) is rotatably connected to the upper end face of the stirring tank (3), the stirring shaft (16) vertically penetrates through the upper end face of the stirring tank (3), one end of the stirring shaft (16) arranged in the stirring tank (3) is coaxially connected with a stirring blade (161), a linkage device (9) is arranged between the driving motor (10) and the stirring shaft (16), a discharging pipe (6) is communicated with the lower end face of the stirring tank (3), and an electromagnetic valve (7) is arranged in the discharging pipe (6).

2. A soil remediation device as claimed in claim 1 wherein: the length direction of the outer peripheral surface of the driving roller (14) and the length direction of the outer peripheral surface of the driven roller (15) are respectively provided with a plurality of convex strips (25), and the convex strips (25) on the driving roller (14) and the convex strips (25) on the driven roller (15) are arranged in a staggered mode.

3. A soil remediation device as claimed in claim 1 wherein: the side box (2) is positioned above the stirring box (3), the linkage device (9) is arranged in the side box (2), the linkage device (9) comprises a first bevel gear (91), a second bevel gear (92), a connecting shaft (93), a first synchronous wheel (94), a second synchronous wheel (95) and a synchronous belt (96), the first bevel gear (91) is coaxially connected with an output shaft of the driving motor (10), the connecting shaft (93) is vertically arranged on the inner bottom surface of the side box (2) and is rotationally connected with the inner bottom surface of the side box (2), the second bevel gear (92) is coaxially connected with one end, far away from the inner bottom surface of the side box (2), of the connecting shaft (93) and is meshed with the first bevel gear (91), the first synchronous wheel (94) is coaxially connected with the connecting shaft (93) and is positioned below the second bevel gear (92), one end, arranged in the side box (2), of the stirring shaft (16) is coaxially connected with the second synchronous wheel (95), the synchronous belt (96) is sleeved between the first synchronous wheel (94) and the second synchronous wheel (95), and the synchronous belt (96) is horizontally arranged in the side box (2).

4. A soil remediation device as claimed in claim 1 wherein: a supporting plate (22) positioned below the driving roller (14) is horizontally arranged at the edge of the lower end of the feeding port (24), four side faces of the supporting plate (22) are respectively and fixedly connected with four inner side faces of the box body (1), a push plate (21) positioned above the supporting plate (22) is hinged to one side, close to the feeding port (24), of the supporting plate (22), the edge, close to the feeding port (24), of the push plate (21) is hinged to the edge, close to the feeding port (24), of the supporting plate (22), a feeding motor (17) positioned below the supporting plate (22) is fixed on the inner side of the box body (1), an output shaft of the feeding motor (17) is coaxially connected with a rotating shaft (18) which is horizontally arranged and parallel to the side face, provided with the feeding port (24), the rotating shaft (18) is coaxially connected with two disc-shaped cams (19) which are oppositely arranged, and the disc-shaped cams (, the supporting plate (22) penetrates through two limiting holes (221) for limiting the supporting rod (20) in the circumferential direction, the supporting rod (20) penetrates through the limiting holes (221) and is perpendicular to the supporting plate (22), and one end, far away from the disc cam (19), of the supporting rod (20) is connected with the lower end face of the push plate (21) in a sliding mode.

5. A soil remediation device as claimed in claim 4 wherein: two dovetail grooves (211) are arranged on the lower end face of the push plate (21) along the length direction of the push plate (21), and one end, far away from the disc-shaped cam (19), of the support rod (20) is hinged to a dovetail block (202) in sliding connection with the dovetail grooves (211).

6. A soil remediation device as claimed in claim 4 wherein: the profile of the disc cam (19) is a closed curve formed by combining a semicircle and an outward convex arc line, and the axis of the rotating shaft (18) is coincided with the axis of the semicircle.

7. A soil remediation device as claimed in claim 4 wherein: one end of the support rod (20) close to the disc cam (19) is rotatably connected with a roller (201) which is abutted against the disc cam (19).

8. A soil remediation device as claimed in claim 1 wherein: one side of the box body (1) is provided with a second feeding hole (5), and the second feeding hole (5) is positioned below the driving roller (14) and the driven roller (15).

9. A soil remediation device as claimed in claim 8 wherein: the edge of the lower end of the second feeding hole (5) is fixed with a guide plate (23) located below the driving roller (14), two side faces of the guide plate (23) in the length direction are respectively abutted to two inner side faces of the box body (1), and the guide plate (23) inclines towards the direction of the push plate (21).