Soil remediation earthwork backfilling and tamping method and device

Abstract

The invention provides a soil remediation earthwork backfilling and tamping method which specifically comprises the following steps: S1, backfilling materials are prepared, and grooves and pits are filled with the backfilling materials layer by layer before tamping; the backfill materials comprise sandy soil, floury soil, low-saturation clay, gravelly soil and the like; for the condition that the gradient of the slope is about 1 / 5, the slope needs to be dug into steps, the width of the steps is not smaller than that of a rolling wheel of a road roller, and the steps are backfilled layer by layer from bottom to top. S2, the backfill material of each layer is leveled, and a tamping device is used for tamping the backfill material of each layer; and the backfill materials are leveled mechanically or manually, and the thickness of each layer of backfill materials is not suitable to exceed 625 cm. Through the arranged fixing cylinder and the bottom plate, filling can be continued in the process of tamping the backfill layer, the backfill layer can be conveniently backfilled and leveled, and the device can be conveniently moved through the vertical plate and the rolling wheels, so that the tamping efficiency of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of soil remediation, and in particular to a soil remediation earth backfilling and compacting method and device. Background Art

[0002] The soil will lose its normal functions after being damaged by excavation, so the soil needs to be repaired.

[0003] A Chinese invention patent with publication number CN118345779B proposes a soil backfilling and compacting device for soil environmental remediation, which is provided with a support frame, a telescopic cylinder is installed on the upper end surface of the support frame, and a guide shaft is connected to the output end of the telescopic cylinder, a connecting shaft is provided at the bottom of the guide shaft, and a guide mechanism is provided on the side of the connecting shaft, and the guide mechanism is used to control the rotation of a tamping plate; it includes: a first tamping plate, fixed to the bottom of the connecting shaft, an air pump is installed on the outer side of the bottom of the first tamping plate, and a second tamping plate is movably installed at the edge of the first tamping plate; this device requires multiple manual movement of the support frame to compact the backfill material, which is inconvenient to operate, and it is impossible to continue filling the low-lying areas of the backfill layer.

[0004] To this end, the present invention provides a soil remediation earth backfill compaction method and device. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a soil remediation earth backfill compaction method and device to solve the problems raised in the above-mentioned background technology. The present invention can continue to fill the backfill layer during the compaction process by setting a fixed cylinder and a bottom plate, so as to facilitate the backfilling and leveling of the backfill layer, and the vertical plates and rollers can be used to facilitate the movement of the device, thereby improving the compaction efficiency of the device.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] A soil remediation earthwork backfilling and compacting method specifically comprises the following steps:

[0008] S1: Prepare backfill material and fill it layer by layer into the trench and pit before compaction; backfill material includes sand, silt, low-saturated clay and gravel soil, etc. For slopes with a slope gradient of about 1 / 5, the slope needs to be dug into steps with a step width no less than the roller wheel, and the step backfill is filled layer by layer from the bottom to the top.

[0009] S2: Level each layer of backfill separately and use a compaction device to compact each layer of backfill separately; use machinery or manual labor to level the backfill, and the thickness of each layer of backfill should not exceed 625cm.

[0010] S3: When tamping, proceed in a certain reverse direction and compact each layer of backfill material 3-4 times; use the method of compacting in layers with one tamping and half tamping, tamping connected by one tamping, row by row connected, and two times of criss-cross compaction.

[0011] S4: Continue to fill the backfill material in the relatively low-lying areas of each layer of backfill material, and ensure that the surface of the backfill material is flat after compaction.

[0012] Furthermore, the backfill material in step S1 should pay attention to its moisture content during the backfilling process. After the paving is completed, the moisture content should be tested in time. If it is too high, it should be turned over and dried. If it is too low, it should be watered appropriately. After each layer of backfill is compacted, the backfill compaction degree test is immediately carried out. After the test is qualified, the next layer of backfill is carried out.

[0013] Furthermore, when using machinery for compaction, it should be compacted gradually from both sides to the middle to avoid missing any holes. Corners and slopes that cannot be compacted should be assisted by manual compaction or compaction with the help of a small compactor.

[0014] The ramming mechanism comprises a fixing plate and an adjusting plate, the fixing plate being movably mounted on the fixing plate through a torsion spring rotating shaft, the fixing plate being fixedly mounted on the bottom end of the output rod of the hydraulic rod, a limiting mechanism being arranged between the bottom end of the fixing plate and the adjusting plate, the limiting mechanism comprising a first fixing ring, a second fixing ring and a slip ring, the first fixing ring and the second fixing ring being fixedly mounted on the bottom end of the fixing plate, the bottom plate being in the shape of a circular cover, the bottom plate being fixedly mounted with fixing rods in a matrix, the bottom end of the fixing rods being movably mounted in the fixing plate through a plug-and-socket arrangement, the tops of the two ends of the fixing plate being fixedly mounted with magnets, and the bottom plate being made of iron.

[0015] Furthermore, a mounting groove is provided inside the transverse plate, and the slide is mounted in the mounting groove in a limited sliding manner, and the shape of the slide is a U-shape.

[0016] Furthermore, an adjusting screw is rotatably provided at the rear end of the slide, the adjusting screw is threadedly installed inside the rear end of the cross plate, and a hand wheel is fixedly provided at the outer end of the adjusting screw.

[0017] Furthermore, a cross bar is fixedly arranged inside the slide, the fixing frame is fixedly arranged inside the cross bar, and the hydraulic rod is fixedly installed inside the fixing frame.

[0018] Furthermore, the base plate is slidably installed on the outside of the output rod of the hydraulic rod, a slope is provided on the top of the base plate, adjusting bolts are screwed on both sides of the bottom end of the fixing tube, screw holes are symmetrically opened at both ends of the base plate, and one end of the adjusting bolt is screwed on the inside of the screw hole.

[0019] Furthermore, the first fixing ring is arranged above the second fixing ring, the slip ring is slidably arranged between the first fixing ring and the second fixing ring, a spring is fixedly arranged between the slip ring and the first fixing ring, the other end of the adjusting bolt is fittedly arranged on the top of the adjusting plate, a slot is opened inside one end of the adjusting plate, and blocks are symmetrically fixed at the bottom of both ends of the slip ring, and the blocks are clamped in the inside of the slot.

[0020] Furthermore, four vertical plates are symmetrically and fixedly arranged at the bottom of both ends of the horizontal plate, and rollers are rotatably arranged at the bottom of the four vertical plates.

[0021] Beneficial effects of the invention: A soil remediation earth backfill compaction method and device of the invention includes a horizontal plate, a compaction mechanism, an adjusting screw, a tamping plate mechanism, a vertical plate, a roller, a mounting groove, a slide, a horizontal bar, a fixed frame, a hydraulic rod, a fixed cylinder, a fixed plate, a magnet, an adjusting plate, a bottom plate, an adjusting bolt, a fixed rod, a first fixed ring, a second fixed ring, a slip ring, and a spring.

[0022] 1. The soil remediation earth backfill compaction method and device are provided with a fixed cylinder and a base plate, and the adjusting bolt is rotated and separated from the base plate, so that the base plate is fixedly connected to the fixed plate through a magnet. When the hydraulic rod drives the compaction plate mechanism to descend, the backfill material inside the fixed cylinder can be discharged, which is convenient for continuing to fill the backfill layer during the compaction process, and for backfilling the backfill layer to be flat, thereby improving the earth backfill compaction efficiency.

[0023] 2. The soil remediation backfill compaction method and device has adjusting plates movably arranged at both ends of the fixed plate, so that one end of the adjusting bolt can be adjusted to the top of the adjusting plate as needed, and the adjusting plate can be limited, so that the compaction range of the fixed plate can be increased through the adjusting plate; and the adjusting bolt can be adjusted to facilitate the rotation of the adjusting plate, so that the adjusting plate can be stored; the slip ring is clamped in the inside of the clamping groove when the elastic force of the spring drops, so that the adjusting plate can be limited and the stability of the adjusting plate can be improved.

[0024] 3. The soil remediation backfill compaction method and device facilitates the movement of the device through vertical plates and rollers, thereby improving the compaction efficiency of the device; the slide can be adjusted laterally through a hand wheel and an adjusting screw, which facilitates the adjustment of the compaction mechanism, so that the fixed plate and other compaction plate mechanisms can perform compaction operations on the edge of the backfill layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A flow chart of a soil remediation earthwork backfilling and compacting method according to the present invention;

[0026] Figure 2 This is a structural diagram of a soil remediation earth backfill compaction device of the present invention;

[0027] Figure 3 It is a front cross-sectional view of a soil remediation earth backfill compaction device of the present invention;

[0028] Figure 4 This is an enlarged view of the soil 3 of the soil remediation earth backfill compaction device of the present invention;

[0029] Figure 5 A folded cross-sectional view of a tamping plate of a soil remediation earth backfill tamping device of the present invention;

[0030] Figure 6 This is a structural diagram of a compaction mechanism of a soil remediation earth backfill compaction device of the present invention;

[0031] In the figure: 1. horizontal plate; 2. tamping mechanism; 3. adjusting screw; 4. tamping plate mechanism; 5. vertical plate; 6. roller; 7. mounting groove; 8. slide; 9. horizontal bar; 10. fixing frame; 11. hydraulic rod; 12. fixing cylinder; 13. fixing plate; 14. magnet; 15. adjusting plate; 16. bottom plate; 17. adjusting bolt; 18. fixing rod; 19. first fixing ring; 20. second fixing ring; 21. slip ring; 22. spring. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] See also Figures 1 to 6 , the present invention provides a technical solution:

[0034] A soil remediation earthwork backfilling and compacting method specifically comprises the following steps:

[0035] S1: Prepare backfill material and fill it layer by layer into the trench and pit before compaction; backfill material includes sand, silt, low-saturated clay and gravel soil, etc. For slopes with a slope gradient of about 1 / 5, the slope needs to be dug into steps with a step width no less than the roller wheel, and the step backfill is filled layer by layer from the bottom to the top.

[0036] S2: Level each layer of backfill separately and use a compaction device to compact each layer of backfill separately; use machinery or manual labor to level the backfill, and the thickness of each layer of backfill should not exceed 625cm.

[0037] S3: When tamping, proceed in a certain reverse direction and compact each layer of backfill material 3-4 times; use the method of compacting in layers with one tamping and half tamping, tamping connected by one tamping, row by row connected, and two times of criss-cross compaction.

[0038] S4: Continue to fill the backfill material in the relatively low-lying areas of each layer of backfill material, and ensure that the surface of the backfill material is flat after compaction.

[0039] In this embodiment, the moisture content of the backfill material in step S1 should be noted during the backfilling process. After the paving is completed, the moisture content should be tested in time. If it is too high, it should be turned over and dried. If it is too low, it should be watered appropriately. After each layer of backfilling and compaction is completed, the backfill compaction degree test is immediately carried out. After the test is qualified, the next layer of backfilling is carried out. When using machinery for tamping, it should be rolled and compacted from both sides to the middle to avoid missing compaction. The corners and slopes that cannot be compacted should be tamped with human power or a small compactor. The above method can well compact the backfilled soil and improve the efficiency of backfilling.

[0040] A soil remediation earthwork backfill compaction device comprises a transverse plate 1 and a compaction mechanism 2, wherein the compaction mechanism 2 comprises a carriage 8, a fixed cylinder 12 is fixedly arranged at the bottom of the carriage 8, a hydraulic rod 11 is installed inside the fixed cylinder 12 through a fixed frame 10, a tamping plate mechanism 4 is fixedly installed at the bottom of the hydraulic rod 11, a bottom plate 16 is installed inside the bottom end of the fixed cylinder 12 above the tamping plate mechanism 4 through an adjusting bolt 17, the tamping plate mechanism 4 comprises a fixed plate 13 and an adjusting plate 15, the adjusting plate 15 is movably installed at both ends of the fixed plate 13 through a torsion spring rotating shaft, the fixed plate 13 is fixedly arranged at the bottom end of the output rod of the hydraulic rod 11, a limiting mechanism is arranged between the bottom end of the fixed cylinder 12 and the adjusting plate 15, the limiting mechanism includes a first fixed A fixed ring 19, a second fixed ring 20 and a slip ring 21, wherein the first fixed ring 19 and the second fixed ring 20 are fixedly arranged at the bottom end of the fixed cylinder 12, the bottom plate 16 is in the shape of a circular cover, and a fixed rod 18 is fixedly arranged at the bottom of the bottom plate 16 in a matrix, and the bottom end of the fixed rod 18 is movably plugged and installed inside the fixed plate 13, and magnets 14 are fixedly arranged on the top of both ends of the fixed plate 13. The bottom plate 16 is made of iron, and the tamping plate mechanism 4 can be raised and lowered by the hydraulic rod 11, so that the backfill layer can be compacted by the tamping plate mechanism 4, and the adjusting plate 15 can also be rotated and adjusted as needed, which can increase the compacting area of ​​the fixed plate 13, and the limiting mechanism can limit the adjusting plate 15 to improve the stability of the adjusting plate 15.

[0041] In this embodiment, a mounting groove 7 is opened inside the transverse plate 1, and the slide 8 is limitedly slidably installed inside the mounting groove 7. The shape of the slide 8 is a U-shape, and an adjusting screw 3 is rotatably provided at the rear end of the slide 8. The adjusting screw 3 is threadedly installed inside the rear end of the transverse plate 1, and a handwheel is fixedly provided at the outer end of the adjusting screw 3. The slide 8 can be adjusted by adjusting the screw 3 and the handwheel. The slide 8 drives the tamping mechanism 2 to move, and the position of the fixed plate 13 can be adjusted, so as to facilitate the tamping of the edge of the backfill area, and also to perform tamping operations around the columns and the like.

[0042] In this embodiment, a cross bar 9 is fixedly provided inside the slide 8, the fixing frame 10 is fixedly provided inside the cross bar 9, the hydraulic rod 11 is fixedly installed inside the fixing frame 10, the bottom plate 16 is slidably installed on the outside of the output rod of the hydraulic rod 11, the top of the bottom plate 16 is provided with an inclined surface, and adjusting bolts 17 are screwed and installed on both sides of the bottom end of the fixing cylinder 12, and screw holes are symmetrically provided at both ends of the bottom plate 16, and one end of the adjusting bolt 17 is screwed and installed inside the screw hole. The cross bar 9 and the fixing frame 10 are convenient for fixing and installing the hydraulic rod 11, and it is convenient to add backfill to the inside of the fixing cylinder 12 through the gap between the cross bar 9 and the slide 8, so as to facilitate the subsequent addition of backfill to the low-lying position. By rotating and adjusting the adjusting bolt 17, the bottom plate 16 can be separated from the fixing cylinder 12, so as to facilitate the discharge of the backfill.

[0043] In this embodiment, the first fixing ring 19 is arranged above the second fixing ring 20, and the slip ring 21 is slidably arranged between the first fixing ring 19 and the second fixing ring 20. A spring 22 is fixedly arranged between the slip ring 21 and the first fixing ring 19. The other end of the adjusting bolt 17 is fitted on the top of the adjusting plate 15. A slot is provided inside one end of the adjusting plate 15. Blocks are symmetrically fixedly arranged at the bottom of both ends of the slip ring 21. The blocks are clamped in the inside of the slot. The slip ring 21 can contact with the adjusting plate 15 under the elastic force of the spring 22, which is convenient for limiting the adjusting plate 15, thereby improving the stability of the adjusting plate 15 and preventing shaking during the movement of the device.

[0044] In this embodiment, four vertical plates 5 are symmetrically fixed at the bottom of both ends of the horizontal plate 1, and rollers 6 are rotatably provided at the bottom of the four vertical plates 5. The rollers 6 facilitate movement of the device, thereby making it convenient to use the device to compact the backfill area.

[0045] When using the soil repair earthwork backfill compaction method and device, fill the backfill material layer by layer in the backfill area, and control the thickness of the backfill material. According to the need to increase the compaction range of the tamping plate mechanism 4, turn the adjustment plate 15 downward to adjust the adjustment plate 15 to a horizontal state, turn the adjustment bolt 17, one end of the adjustment bolt 17 is screwed and installed inside the screw hole, and one end of the adjustment bolt 17 is set on the top of the adjustment plate 15, and the adjustment plate 15 is limited. Backfill soil is added to the inside of the fixed tube 12 through the gap between the cross bar 9 and the slide 8. At this time, the bottom plate 16 blocks the inside of the bottom end of the fixed tube 12, and the device is pushed. The device moves on the backfill material through the roller 6, and the operation of the hydraulic rod 11 drives the tamping plate mechanism 4 such as the fixed plate 13 and the adjusting plate 15 to move downward. The fixed plate 13 and the adjusting plate 15 contact the backfill material and compact it. During the compaction process, the backfill material is compacted in layers in a manner of one compaction and half compaction, the compactions are connected, the rows are connected, and the two times are criss-crossed and compacted. After the tamping is completed, the device is moved to a low-lying position through the roller 6, and the adjusting bolt 17 is rotated outward so that one end of the adjusting bolt 17 is screwed out from the inside of the screw hole, and the bottom plate 16 is separated from the fixed cylinder 12. When the fixed plate 13 descends, the bottom plate 16 can be driven by the magnetic attraction of the magnet 14 and the bottom plate 16. The plate 16 descends, and the backfill material inside the fixed cylinder 12 is discharged outward through the inclined surface and the bottom plate 16, so as to continue to backfill the low-lying position, and then the device is used to continue to compact the area, and the backfill is continued layer by layer on the top of the compacted area, and compacted layer by layer; when compacting the backfill edge area, the hand wheel and the adjusting screw 3 are turned, and the adjusting screw 3 drives the slide 8 to move inside the installation groove 7, and the slide 8 drives the compacting mechanism 2 to move to the front side, and the compacting mechanism 2 drives the fixed plate 13 to extend from the bottom of the device through the slide 8, the fixed cylinder 12, and the hydraulic rod 11, so that the fixed plate 13 can compact the backfill edge area; use After completion, the fixed plate 13 and the adjusting plate 15 are driven to rise by the hydraulic rod 11, and the fixed plate 13 drives the bottom plate 16 to rise, so that the bottom plate 16 enters the interior of the fixed cylinder 12, and the adjusting bolt 17 is turned. The adjusting bolt 17 fixes the bottom plate 16 through the screw hole, and the adjusting bolt 17 is continued to be adjusted to separate it from the adjusting plate 15. The adjusting plate 15 rotates and folds upward under the torsion of the torsion spring shaft, and at the same time moves the slip ring 21 upward. The slip ring 21 compresses the spring 22. After the adjustment of the adjusting plate 15 is completed, the slip ring 21 is released. The slip ring 21 drives the clamping rod to be clamped in the inside of the clamping slot under the elastic force of the spring 22, thereby limiting the adjustment plate 15.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A soil remediation earthwork backfilling and compacting method, specifically comprising the following steps: S1: Prepare backfill material and fill it layer by layer into the trench and pit before compaction; backfill material includes sand, silt, low-saturated clay and gravel soil, etc. For slopes with a slope gradient of about 1 / 5, the slope needs to be dug into steps with a step width no less than the roller wheel, and the step backfill is filled layer by layer from the bottom to the top. S2: Level each layer of backfill separately and use a compaction device to compact each layer of backfill separately; use machinery or manual labor to level the backfill, and the thickness of each layer of backfill should not exceed 625cm. S3: When tamping, proceed in a certain reverse direction and compact each layer of backfill material 3-4 times; use the method of compacting in layers with one tamping and half tamping, tamping connected by one tamping, row by row connected, and two times of criss-cross compaction. S4: Continue to fill the backfill material in the relatively low-lying areas of each layer of backfill material, and ensure that the surface of the backfill material is flat after compaction.

2. A soil remediation earth backfilling and compacting method according to claim 1, characterized in that: The backfill material in step S1 should pay attention to its moisture content during the backfilling process. After paving, the moisture content should be tested in time. If it is too high, it should be turned over and dried. If it is too low, it should be watered appropriately. After each layer of backfilling is compacted, the backfill soil compaction degree test is immediately carried out. After the test is qualified, the next layer of backfilling can be carried out.

3. A soil remediation earth backfilling and compacting method according to claim 1, characterized in that: When using machinery for compaction, it should be done from both sides gradually towards the middle to avoid missing any spots. Corners and slopes that cannot be compacted should be assisted by manpower or a small compactor.

4. A compaction device used in the soil remediation earth backfill compaction method according to claim 1, comprising a horizontal plate (1) and a compaction mechanism (2), characterized in that: The tamping mechanism (2) comprises a slide (8), a fixed cylinder (12) is fixedly arranged at the bottom of the slide (8), a hydraulic rod (11) is installed inside the fixed cylinder (12) through a fixed frame (10), a tamping plate mechanism (4) is fixedly installed at the bottom of the hydraulic rod (11), a bottom plate (16) is installed inside the top of the tamping plate mechanism (4) corresponding to the bottom end of the fixed cylinder (12) through an adjusting bolt (17), the tamping plate mechanism (4) comprises a fixed plate (13) and an adjusting plate (15), the adjusting plate (15) is movably installed at both ends of the fixed plate (13) through a torsion spring rotating shaft, and the fixed plate (13) is fixedly arranged on the hydraulic rod (11). The bottom end of the output rod, a limiting mechanism is arranged between the bottom end of the fixed cylinder (12) and the adjustment plate (15), the limiting mechanism comprising a first fixing ring (19), a second fixing ring (20) and a slip ring (21), the first fixing ring (19) and the second fixing ring (20) are fixedly arranged at the bottom end of the fixed cylinder (12), the bottom plate (16) is in the shape of a circular cover, the bottom of the bottom plate (16) is fixedly provided with fixing rods (18) in a matrix, the bottom ends of the fixing rods (18) are movably plugged and installed inside the fixing plate (13), the tops of the two ends of the fixing plate (13) are fixedly provided with magnets (14), and the bottom plate (16) is made of iron.

5. A soil remediation earth backfill compaction device according to claim 4, characterized in that: The interior of the transverse plate (1) is provided with a mounting groove (7), and the slide (8) is mounted in a limited sliding manner in the mounting groove (7), and the shape of the slide (8) is a Chinese-shaped circle.

6. A soil remediation earth backfill compaction device according to claim 5, characterized in that: An adjusting screw (3) is rotatably provided at the rear end of the slide (8), the adjusting screw (3) is threadedly installed inside the rear end of the transverse plate (1), and a hand wheel is fixedly provided at the outer end of the adjusting screw (3).

7. The soil remediation earth backfilling and compacting device according to claim 4, characterized in that: A cross bar (9) is fixedly arranged inside the slide (8), the fixed frame (10) is fixedly arranged inside the cross bar (9), and the hydraulic rod (11) is fixedly installed inside the fixed frame (10).

8. The soil remediation earth backfill compaction device according to claim 7, characterized in that: The bottom plate (16) is slidably mounted on the outside of the output rod of the hydraulic rod (11); an inclined surface is provided on the top of the bottom plate (16); adjusting bolts (17) are screwed and mounted on both sides of the bottom end of the fixing cylinder (12); screw holes are symmetrically provided at both ends of the bottom plate (16); one end of the adjusting bolt (17) is screwed and mounted inside the screw hole.

9. The soil remediation earth backfill compaction device according to claim 4, characterized in that: The first fixing ring (19) is arranged above the second fixing ring (20), the slip ring (21) is slidably arranged between the first fixing ring (19) and the second fixing ring (20), a spring (22) is fixedly arranged between the slip ring (21) and the first fixing ring (19), the other end of the adjusting bolt (17) is fitted on the top of the adjusting plate (15), a slot is provided inside one end of the adjusting plate (15), and blocks are symmetrically fixedly arranged at the bottom of both ends of the slip ring (21), and the blocks are clamped inside the slot.

10. The soil remediation earth backfill compaction device according to claim 4, characterized in that: Four vertical plates (5) are symmetrically fixedly arranged at the bottom of both ends of the horizontal plate (1), and rollers (6) are rotatably arranged at the bottom of the four vertical plates (5).

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