CSM diaphragm wall digging and milling integrated slotting device and slotting method thereof

Abstract

The invention provides a CSM diaphragm wall digging and milling integrated slotting device and a slotting method thereof.The slotting device comprises a hoisting part, a control part is arranged below the hoisting part, an overturning part is arranged below the control part, a sand digging assembly is arranged at one end of the overturning part, a wheel milling assembly is arranged at the other end of the overturning part, a material pumping assembly is further arranged on the wheel milling assembly, and the hoisting part is used for being connected with a crane. The control part is used for controlling the posture of the grooving device in a groove, the turnover part is used for switching the functions of the grooving device, by arranging the turnover sand digging assembly and the turnover wheel milling assembly, flexible switching of the two functions of sand digging and rock milling is achieved, alternate construction of two devices is not needed, the construction efficiency is greatly improved, and the construction cost is reduced. The problems that two different pieces of equipment need to be frequently transferred to double-wheel milling and sand digging equipment used on a construction site at present, and the transferring period of the equipment is prolonged are solved.

Description

Technical Field

[0001] The present invention relates to the field of impervious wall construction, and in particular to a CSM impervious wall integrated slotting device for digging and milling and a slotting method thereof. Background Art

[0002] During the construction of a CSM impervious wall, the slotting operation is a crucial link. For slotting in different geological conditions, such as sandy soil layers and hard rock layers, different equipment is often required. When slotting in sandy soil layers, sand-digging equipment is usually used for excavation; while when slotting in hard rock layers, special rock-milling equipment is needed. This results in the need to frequently mobilize two different pieces of equipment during the construction process, which not only increases the mobilization cycle of the equipment, but also reduces the excavation efficiency of the impervious wall, and at the same time increases the construction cost.

[0003] Existing slotting equipment has a single function and cannot flexibly switch the operation mode under different geological conditions, making it difficult to meet the diverse needs of actual construction. This slotting device has two function switches, with the functions of sand-digging and rock-milling, which can effectively solve the above problems, no longer requiring two pieces of equipment for construction, improving the excavation efficiency of the impervious wall, and reducing the mobilization cycle of the excavation equipment. Summary of the Invention

[0004] The main purpose of the present invention is to provide a CSM impervious wall integrated slotting device for digging and milling and a slotting method thereof, which solves the problem that the double-wheel milling machine and sand-digging equipment used on the construction site at present need to frequently mobilize two different pieces of equipment, increasing the mobilization cycle of the equipment.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a CSM impervious wall integrated slotting device for digging and milling, the slotting device includes a hoisting part, a control part is arranged below the hoisting part, a turning part is arranged below the control part, a sand-digging component is arranged at one end of the turning part, a wheel milling component is arranged at the other end, and a material pumping component is also arranged on the wheel milling component; The hoisting part is used to connect with a crane, the control part is used to control the attitude of the slotting device in the slot, and the turning part is used to switch the function of the slotting device.

[0006] In a preferred solution, the hoisting part includes a top plate, a steering oil cylinder is arranged above the top plate, a multi-layer wire bundling plate is arranged at the output shaft end of the steering oil cylinder, a plurality of through holes are arranged on the wire bundling plate, the through holes are used to pass steel cables, and wear-resistant ceramic rings are arranged in the through holes; A lifting hook is also arranged above the top plate, the lifting hook is connected with the steel cable passing through the wire bundling plate, and the wire bundling plate is used to prevent the steel cables from being wound and worn against each other when the steering oil cylinder rotates.

[0007] In a preferred solution, the control part includes a plurality of longitudinal side plates and transverse side plates, and the longitudinal side plates and the transverse side plates are arranged perpendicular to each other; A plurality of longitudinal lifting holes are provided on the longitudinal side plates, and longitudinal oil cylinders are arranged inside the longitudinal lifting holes. A plurality of transverse lifting holes are provided on the transverse side plates, and transverse oil cylinders are arranged inside the transverse lifting holes. The longitudinal oil cylinders and the transverse oil cylinders are used to control the attitude of the grooving device in the groove and keep the grooving device vertically downward; A side plate clamping groove is further provided below the control part, and the flipping part is arranged in the side plate clamping groove; Penetrating flipping guide holes are provided on both sides of the side plate clamping groove. A flipping sleeve is further provided on the inner side of the flipping guide holes facing inwards. A tooth groove is provided on the outer circle of the flipping sleeve, and the flipping part is installed between the flipping sleeves.

[0008] In a preferred embodiment, the flipping part includes a flipping frame. A flipping hole is provided at the middle position of the flipping frame, and the flipping hole is coaxially sleeved with the flipping guide hole in the control part; A flipping motor is further provided on one side of the flipping hole. A flipping gear is provided at the output shaft end of the flipping motor. The flipping gear meshes with the tooth groove on the outer side of the flipping sleeve. The flipping motor drives the flipping gear to make a circular motion around the outer circle of the flipping sleeve, thereby driving the flipping frame to flip. The flipping frame is used to switch the functions of the grooving device.

[0009] In a preferred embodiment, the sand excavation assembly includes a sand excavation support. A plurality of first cross bars and second cross bars are provided inside the sand excavation support. Telescopic hydraulic rods are provided on the first cross bars, and swingable buckets are provided on the second cross bars; A tail seat is provided at the tail of the hydraulic rod. The tail seat is rotatably connected to the first cross bar, and a guide sleeve is provided at the output end of the hydraulic rod; A first hinge seat is provided on the back side of the bucket. The first hinge seat is rotatably connected to the guide sleeve. A second hinge seat is further provided on the back side of the bucket. The second hinge seat is rotatably connected to the second cross bar. The hydraulic rod is used to control the opening and closing of the bucket.

[0010] In a preferred embodiment, the wheel milling assembly includes a milling wheel support. A plurality of transverse movement guide rails are provided on both sides of the milling wheel support. A movable drive support is provided on the transverse movement guide rails. A wheel milling drive is provided on the drive support. A milling wheel support frame is provided below the drive support, and a rotatable milling wheel is provided at the bottom of the milling wheel support frame; A transmission belt is provided between the milling wheel and the wheel milling drive. The wheel milling drive is used to drive the milling wheel to rotate.

[0011] In a preferred embodiment, a transverse movement oil cylinder is provided on one side of the transverse movement guide rail. The transverse movement oil cylinder is used to push the drive support to move transversely on the transverse movement guide rail to adjust the distance between the milling wheels; Third tool seats are symmetrically provided on the outer circle surface of the milling wheel. A fourth tool seat is provided between the third tool seats. The third tool seats are arranged in an eight-shaped symmetry. The fourth tool seat is arranged perpendicular to the end face of the milling wheel. The third tool seats and the fourth tool seat complement each other in vacancy; A first tool seat is further provided on the outer side of the transmission belt. The transmission belt is arranged in the middle of the milling wheel.

[0012] In the preferred embodiment, both end surfaces of the milling wheel are further provided with a tool holder hole, a retractable second tool holder is provided inside the tool holder hole, a tool holder frame is provided inside the second tool holder, a tool push cylinder is provided between the tool holder frame and the milling wheel, and the tool push cylinder is used to control the retraction of the second tool holder; The first tool seat, the second tool seat, the third tool seat and the fourth tool seat are all used for mounting milling cutters.

[0013] In the preferred embodiment, the material extraction component includes a negative pressure pump, a filter head is provided below the negative pressure pump, and the filter head is arranged between the milling wheels; The filter head is provided with a plurality of through filter holes for gravel to pass through. A material guide pipe is provided above the negative pressure pump. The material guide pipe passes through the flip guide hole and is connected to an external filtering device. A rotating joint is provided between the material guide pipes, and the rotating joint is used to cooperate with the flip part for rotation.

[0014] A slotting method using the CSM anti-seepage wall digging and milling integrated slotting device, the method comprising: S1. Use a special lifting vehicle to lift the slotting device to the top of the marked excavation position; S2, first use the sand excavation component to excavate the sand layer, and after excavating to a specified depth, lift out the slotting device and move it to the next position for excavation; S3. After the excavation of the sand layer is completed, the slotting device is moved to the top of the slot body where the hard rock layer needs to be excavated; S4, start the flip motor, drive the flip part to start rotating, and flip the wheel milling assembly to the bottom of the slotting device; S5. Start the lateral oil cylinder to adjust the spacing of the milling wheels to the construction standard, start the push-knife oil cylinder to adjust the second knife seat to the construction standard, start the milling wheel drive and the negative pressure pump to gradually dig downward; S6. During the excavation process, the push plates on the top of the longitudinal and transverse cylinders are used to adjust the posture of the slotting device in the slot to maintain verticality; S7. During the excavation process, the horizontal movement cylinder can adjust the spacing between the milling wheels to handle the hard rock between the milling wheels. The negative pressure pump extracts the sand and mud to the external filtering device and then re-injects it into the tank; S8. After the hard rock layer is excavated, the slotting device is taken out, the second knife seat is retracted, the lateral cylinder is started to narrow, and the flip motor flips the sand excavation assembly to the bottom of the slotting device again; S9, the slotting direction of the slotting device can be adjusted by the steering cylinder, and the slotting construction of the anti-seepage wall can be completed by repeating steps S1-S8.

[0015] The present invention provides a CSM anti-seepage wall digging and milling integrated slotting device and slotting method thereof, which has the following beneficial effects: 1. By setting a rotatable sand-digging component and a wheel milling component, the flexible switching between the two functions of sand-digging and rock milling is realized. There is no need to alternately construct with two devices, which greatly improves the construction efficiency.

[0016] 2. The setting of the control unit can accurately control the attitude of the grooving device in the groove, maintain the verticality, ensure the grooving quality. The material extraction component can timely extract the sand, stone and mud and filter it, ensuring the cleanliness of the construction environment. Each component has strong adjustability, adapts to different geological conditions and construction standards, reduces the equipment mobilization cycle, and lowers the construction cost. Brief Description of the Drawings

[0017] The present invention will be further described below in conjunction with the drawings and embodiments: Figure 1 is the axonometric view of the sand-digging mode of the grooving device of the present invention; Figure 2 is the axonometric view of the double-wheel milling mode of the grooving device of the present invention; Figure 3 is the exploded view of the whole grooving device of the present invention; Figure 4 is the axonometric view of the flipping frame of the present invention; Figure 5 is the exploded view of the wheel milling component of the present invention; Figure 6 is the axonometric view of the flipping part of the present invention; Figure 7 is the sectional schematic view of the material extraction component of the present invention; Figure 8 is the sectional schematic view of the milling wheel of the present invention; Figure 9 is the hoisting schematic view of the grooving device of the present invention; Figure 10 is the schematic view of the grooving device of the present invention for constructing the sand layer; Figure 11 is the schematic view of the grooving device of the present invention for constructing the hard rock layer.

[0018] In the figure: grooving device 1; hoisting part 2; top plate 201; hoisting hook 202; steering oil cylinder 203; wire bundling plate 204; connecting rod 205; control part 3; longitudinal side plate 301; transverse side plate 302; longitudinal jacking hole 303; transverse jacking hole 304; side plate clamping groove 305; turning guide hole 306; transverse oil cylinder 307; longitudinal oil cylinder 308; turning sleeve 309; turning part 4; turning frame 401; turning hole 402; turning gear 403; turning motor 404; sand excavation assembly 5; sand excavation support 501; first cross bar 502; hydraulic rod 503; tailstock 504; second cross bar 505; guide sleeve 506; bucket 507; first hinge seat 508; second hinge seat 509; wheel milling assembly 6; milling wheel support 601; transverse movement guide rail 602; transverse movement oil cylinder 603; milling wheel drive 604; drive support 605; milling wheel support bracket 606; transmission belt 607; first tool holder 608; milling wheel 609; second tool holder 610; third tool holder 611; fourth tool holder 612; tool holder frame 613; push tool oil cylinder 614; tool holder hole 615; material extraction assembly 7; negative pressure pump 701; material guiding pipe 702; rotating joint 703; discharge pipe 704; filter head 705; filter hole 706; sand layer 8; hard rock layer 9. Detailed implementation mode

[0019] Embodiment 1 As Figures 1-11 shown, a CSM impervious wall excavation and milling integrated grooving device, the grooving device 1 includes a hoisting part 2, a control part 3 is arranged below the hoisting part 2, a turning part 4 is arranged below the control part 3, a sand excavation assembly 5 is arranged at one end of the turning part 4, a wheel milling assembly 6 is arranged at the other end, and a material extraction assembly 7 is also arranged on the wheel milling assembly 6; The hoisting part 2 is used to connect with a crane, the control part 3 is used to control the attitude of the grooving device 1 in the groove, and the turning part 4 is used to switch the functions of the grooving device 1.

[0020] In a preferred solution, the hoisting part 2 includes a top plate 201, a steering oil cylinder 203 is arranged above the top plate 201, a multi-layer wire bundling plate 204 is arranged at the output shaft end of the steering oil cylinder 203, a plurality of through holes are arranged on the wire bundling plate 204, the through holes are used to pass through steel cables, and wear-resistant ceramic rings are arranged in the through holes; A hoisting hook 202 is also arranged above the top plate 201, the hoisting hook 202 is connected with the steel cable passing through the wire bundling plate 204, and the wire bundling plate 204 is used to prevent the steel cables from being twisted and worn against each other when the steering oil cylinder 203 rotates.

[0021] In a preferred solution, the control part 3 includes a plurality of longitudinal side plates 301 and transverse side plates 302, and the longitudinal side plates 301 and the transverse side plates 302 are arranged vertically; There are multiple longitudinal jacking holes 303 on the longitudinal side plate 301. Inside the longitudinal jacking holes 303, there are longitudinal oil cylinders 307. There are multiple transverse jacking holes 304 on the transverse side plate 302. Inside the transverse jacking holes 304, there are transverse oil cylinders 307. The longitudinal oil cylinders 307 and the transverse oil cylinders 307 are used to control the attitude of the grooving device 1 in the groove and keep the grooving device 1 vertically downward; There is also a side plate clamping groove 305 below the control part 3, and the flipping part 4 is arranged in the side plate clamping groove 305; There are through flipping guide holes 306 on both sides of the side plate clamping groove 305. On the inner side of the flipping guide holes 306, there are also flipping sleeves 309. The outer circle of the flipping sleeve 309 is provided with tooth grooves, and the flipping part 4 is installed between the flipping sleeves 309.

[0022] In a preferred embodiment, the flipping part 4 includes a flipping frame 401. There is a flipping hole 402 in the middle position of the flipping frame 401, and the flipping hole 402 is coaxially sleeved with the flipping guide hole 306 in the control part 3; On one side of the flipping hole 402, there is also a flipping motor 404. At the output shaft end of the flipping motor 404, there is a flipping gear 403. The flipping gear 403 meshes with the tooth grooves on the outer side of the flipping sleeve 309. The flipping motor 404 drives the flipping gear 403 to make a circular motion around the outer circle of the flipping sleeve 309, thereby driving the flipping frame 401 to flip. The flipping frame 401 is used to switch the functions of the grooving device 1.

[0023] In a preferred embodiment, the sand excavation assembly 5 includes a sand excavation support 501. Inside the sand excavation support 501, there are multiple first cross bars 502 and second cross bars 505. On the first cross bar 502, there is a telescopic hydraulic rod 503. On the second cross bar 505, there is a swingable bucket 507; At the tail of the hydraulic rod 503, there is a tail seat 504. The tail seat 504 is rotatably connected to the first cross bar 502. At the output end of the hydraulic rod 503, there is a guide sleeve 506; On the back side of the bucket 507, there is a first hinge seat 508. The first hinge seat 508 is rotatably connected to the guide sleeve 506. On the back side of the bucket 507, there is also a second hinge seat 509. The second hinge seat 509 is rotatably connected to the second cross bar 505. The hydraulic rod 503 is used to control the opening and closing of the bucket 507.

[0024] In a preferred embodiment, the wheel milling assembly 6 includes a milling wheel support 601. On both sides of the milling wheel support 601, there are multiple transverse movement guide rails 602. On the transverse movement guide rails 602, there is a movable drive support 605. On the drive support 605, there is a wheel milling drive 604. Below the drive support 605, there is a milling wheel support frame 606. At the bottom of the milling wheel support frame 606, there is a rotatable milling wheel 609; There is a transmission belt 607 between the milling wheel 609 and the wheel milling drive 604, and the wheel milling drive 604 is used to drive the milling wheel 609 to rotate.

[0025] In a preferred embodiment, a transverse shifting oil cylinder 603 is provided on one side of the transverse shifting guide rail 602. The transverse shifting oil cylinder 603 is used to push the driving bracket 605 to adjust the distance between the transverse shifting guide rail 602 and the milling wheel 609. Third tool seats 611 are symmetrically arranged on the outer circular surface of the milling wheel 609. A fourth tool seat 612 is arranged between the third tool seats 611. The third tool seats 611 are arranged symmetrically in a V shape. The fourth tool seat 612 is vertically arranged with respect to the end face of the milling wheel 609. The third tool seats 611 and the fourth tool seat 612 complement each other in terms of vacant positions. A first tool seat 608 is further provided on the outer side of the transmission belt 607. The transmission belt 607 is arranged in the middle of the milling wheel 609.

[0026] In a preferred embodiment, tool seat holes 615 are further provided on both end faces of the milling wheel 609. A retractable second tool seat 610 is arranged inside the tool seat holes 615. A tool seat frame 613 is arranged on the inner side of the second tool seat 610. A push tool oil cylinder 614 is arranged between the tool seat frame 613 and the milling wheel 609. The push tool oil cylinder 614 is used to control the retraction and extension of the second tool seat 610. The first tool seat 608, the second tool seat 610, the third tool seat 611 and the fourth tool seat 612 are all used for installing milling cutters.

[0027] In a preferred embodiment, the material extraction assembly 7 includes a negative pressure pump 701. A filter head 705 is provided below the negative pressure pump 701. The filter head 705 is arranged between the milling wheels 609. A plurality of through filter holes 706 are provided on the filter head 705. The filter holes 706 allow crushed stones to pass through. A material guiding pipe 702 is provided above the negative pressure pump 701. The material guiding pipe 702 passes through the turning guiding hole 306 and is connected to an external filtering device. A rotating joint 703 is arranged between the material guiding pipes 702. The rotating joint 703 is used to cooperate with the turning part 4 for rotation.

[0028] For the grooving method using the above CSM impervious wall grooving device, the method includes: S1. Use a special lifting vehicle to lift the grooving device 1 above the calibrated excavation position. S2. First, use the sand excavation assembly 5 to excavate the sand layer 8. After excavating to the specified depth, lift out the grooving device 1 and move it to the next position for excavation. S3. After the excavation of the sand layer 8 is completed, move the grooving device 1 above the groove body where the hard rock layer 9 needs to be excavated. S4. Start the turning motor 404 to drive the turning part 4 to start rotating, and turn the wheel milling assembly 6 below the grooving device 1. S5, start the lateral oil cylinder 603 to adjust the spacing of the milling wheels 609 to the construction standard, start the push-knife oil cylinder 614 to adjust the second knife seat 610 to the construction standard, start the milling wheel drive 604 and the negative pressure pump 701 to gradually dig downward; S6. During the excavation process, the posture of the slotting device 1 in the slot is adjusted by the push plates at the top of the longitudinal cylinder 308 and the transverse cylinder 307 to maintain verticality.

[0029] S7. During the excavation process, the transverse movement cylinder 603 can adjust the spacing between the milling wheels 609 to process the hard rock between the milling wheels 609. The negative pressure pump 701 extracts the sand and mud to the external filtering device and then re-injects it into the groove.

[0030] S8, after the hard rock layer 9 is excavated, the slotting device 1 is taken out, the second knife seat 610 is put away, the lateral cylinder 603 is started to narrow, and the flip motor 404 flips the sand excavation assembly 5 to the bottom of the slotting device 1 again; S9. The slotting direction of the slotting device 1 can be adjusted by the steering cylinder 203. The slotting construction of the anti-seepage wall can be completed by repeating steps S1-S8.

[0031] Example 2, further described in combination with Example 1, is a grooving method for a CSM anti-seepage wall grooving device, the method comprising: first, using a special lifting vehicle to lift the grooving device 1 to above a calibrated excavation position through a lifting part 2, a lifting hook 202 is provided above the top plate 201 of the lifting part 2, and is connected to the lifting vehicle through a steel cable, a multi-layer wire harness plate 204 is provided at the output shaft end of the steering cylinder 203 above the top plate 201, and the steel cable passes through a through hole provided with a wear-resistant ceramic ring on the wire harness plate 204, which can effectively prevent the steel cables from being twisted and worn against each other when the steering cylinder 203 rotates.

[0032] After the slotting device 1 is in place, the sand dredging assembly 5 is first used to dredge the sand layer 8. A first crossbar 502 and a second crossbar 505 are provided inside the sand dredging bracket 501 of the sand dredging assembly 5. A tail seat 504 at the tail of a telescopic hydraulic rod 503 on the first crossbar 502 is rotatably connected to the first crossbar 502, and a guide sleeve 506 is provided at the output end of the hydraulic rod 503; a swingable bucket 507 is provided on the second crossbar 505, a first hinge seat 508 on the back side of the bucket 507 is rotatably connected to the guide sleeve 506, and a second hinge seat 509 is rotatably connected to the second crossbar 505.

[0033] The opening and closing of the bucket 507 is controlled by the telescopic movement of the hydraulic rod 503 to carry out the excavation of the sand and soil. After excavating to a specified depth, the grooving device 1 is hoisted out by the hoisting part 2 and moved to the next position to continue excavating until the excavation of the sand and soil layer 8 is completed.

[0034] After the sand layer 8 is excavated, the slotting device 1 is moved above the slot body where the hard rock layer 9 needs to be excavated.

[0035] At this time, start the tilting motor 404 of the tilting part 4. The tilting hole 402 at the middle position of the tilting frame 401 of the tilting part 4 is coaxially sleeved with the tilting sleeve 309 in the tilting guide holes 306 on both sides of the side plate clamping groove 305 of the control part 3. The tilting gear 403 at the output shaft end of the tilting motor 404 meshes with the tooth groove on the outer side of the tilting sleeve 309. The tilting motor 404 drives the tilting gear 403 to make a circular motion around the outer circle of the tilting sleeve 309, so as to tilt the wheel milling assembly 6 below the grooving device 1.

[0036] Next, start the transverse movement oil cylinder 603 of the wheel milling assembly 6 to adjust the distance between the milling wheels 609 to meet the construction standard. Transverse movement guide rails 602 are provided on both sides of the milling wheel support 601 of the wheel milling assembly 6. The driving support 605 on the transverse movement guide rails 602 is movable. The milling wheels 609 are installed at the bottom of the milling wheel support frame 606 below the driving support 605. The transverse movement oil cylinder 603 can push the driving support 605 to move on the transverse movement guide rails 602.

[0037] At the same time, start the push knife oil cylinder 614 in the tool seat holes 615 at both end faces of the milling wheel 609 to adjust the second tool seat 610 to the construction standard as well. Then start the wheel milling drive 604. The wheel milling drive 604 drives the milling wheel 609 to rotate through the transmission belt 607, and start the negative pressure pump 701 of the material extraction assembly 7 to gradually dig downward into the hard rock layer 9. A filter head 705 is provided below the negative pressure pump 701 of the material extraction assembly 7. The filter head 705 is arranged between the milling wheels 609. The filter holes 706 on the filter head 705 allow the crushed stones to pass through. The guide pipe 702 above the negative pressure pump 701 passes through the tilting guide hole 306 and is connected to an external filtering device. The rotating joint 703 between the guide pipes 702 can cooperate with the tilting part 4 to rotate.

[0038] During the process of digging into the hard rock layer 9, adjust the attitude of the grooving device 1 in the groove through the longitudinal oil cylinder 307 of the control part 3 and the pushing plate at the top of the transverse oil cylinder 307. The control part 3 is composed of a longitudinal side plate 301 and a transverse side plate 302 arranged vertically. The longitudinal oil cylinder 307 is provided in the longitudinal lifting hole 303 on the longitudinal side plate 301, and the transverse oil cylinder 307 is provided in the transverse lifting hole 304 on the transverse side plate 302, so as to maintain the perpendicularity of the grooving device 1.

[0039] During the digging process, the transverse movement oil cylinder 603 can adjust the distance between the milling wheels 609 again according to the actual situation to deal with the hard rock between the milling wheels 609. At the same time, the negative pressure pump 701 continuously pumps out the sand, stone and mud to an external filtering device and then reinjects it into the groove.

[0040] After the excavation of the hard rock layer 9 is completed, the grooving device 1 is taken out by the hoisting part 2, the second tool holders 610 on both end faces of the milling wheel 609 are retracted, the transverse movement oil cylinder 603 is started to narrow the spacing of the milling wheel 609, and then the turning motor 404 is started to turn the sand excavation assembly 5 back under the grooving device 1 again to prepare for the next operation round.

[0041] If it is necessary to change the grooving direction, the grooving direction of the grooving device 1 can be adjusted through the turning oil cylinder 203 of the hoisting part 2, and then the above steps are repeated to complete the grooving construction of the impervious wall.

[0042] The above embodiments are only the preferred technical solutions of the present invention and should not be regarded as limitations on the present invention. The protection scope of the present invention should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, the equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A CSM anti-seepage wall digging and milling integrated slotting device, characterized by: The slotting device (1) comprises a hoisting part (2), a control part (3) is provided below the hoisting part (2), a flipping part (4) is provided below the control part (3), a sand dredging component (5) is provided at one end of the flipping part (4), and a wheel milling component (6) is provided at the other end, and a material extraction component (7) is also provided on the wheel milling component (6); The hoisting part (2) is used to connect with the crane, the control part (3) is used to control the posture of the slotting device (1) in the slot, and the flipping part (4) is used to switch the function of the slotting device (1).

2. According to claim 1, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The hoisting part (2) comprises a top plate (201), a steering oil cylinder (203) is arranged above the top plate (201), a multi-layer wire harness plate (204) is arranged at the output shaft end of the steering oil cylinder (203), a plurality of through holes are arranged on the wire harness plate (204), the through holes are used to pass steel cables, and wear-resistant ceramic rings are arranged in the through holes; A lifting hook (202) is also provided above the top plate (201), and the lifting hook (202) is connected to a steel cable passing through a cable tie plate (204). The cable tie plate (204) is used to prevent the steel cables from being twisted and worn against each other when the steering cylinder (203) rotates.

3. According to claim 1, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The control part (3) comprises a plurality of longitudinal side plates (301) and transverse side plates (302), wherein the longitudinal side plates (301) and the transverse side plates (302) are arranged vertically; A plurality of longitudinal lifting holes (303) are provided on the longitudinal side plate (301), and a longitudinal oil cylinder (307) is provided inside the longitudinal lifting holes (303); a plurality of transverse lifting holes (304) are provided on the transverse side plate (302), and a transverse oil cylinder (307) is provided inside the transverse lifting holes (304); the longitudinal oil cylinder (307) and the transverse oil cylinder (307) are used to control the posture of the slotting device (1) in the slot, so as to keep the slotting device (1) vertically downward; A side plate clamping groove (305) is also provided below the control portion (3), and the turning portion (4) is arranged in the side plate clamping groove (305); Penetrating turning guide holes (306) are provided on both sides of the side plate clamping groove (305), and a turning sleeve (309) is further provided on the inner side of the turning guide hole (306). The outer circumference of the turning sleeve (309) is provided with tooth grooves, and the turning part (4) is installed between the turning sleeves (309).

4. According to claim 1, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The turning part (4) comprises a turning frame (401), a turning hole (402) is provided in the middle of the turning frame (401), and the turning hole (402) is coaxially sleeved with a turning guide hole (306) in the control part (3); A flip motor (404) is also provided on one side of the flip hole (402). A flip gear (403) is provided at the output shaft end of the flip motor (404). The flip gear (403) meshes with the tooth groove on the outside of the flip sleeve (309). The flip motor (404) drives the flip gear (403) to perform a circular motion around the outer circle of the flip sleeve (309), thereby driving the flip frame (401) to flip. The flip frame (401) is used to switch the function of the slotting device (1).

5. According to claim 1, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The sand dredging assembly (5) comprises a sand dredging support (501), a plurality of first cross bars (502) and second cross bars (505) are provided on the inner side of the sand dredging support (501), a retractable hydraulic rod (503) is provided on the first cross bar (502), and a swingable bucket (507) is provided on the second cross bar (505); A tailstock (504) is provided at the tail of the hydraulic rod (503), the tailstock (504) is rotatably connected to the first crossbar (502), and a guide sleeve (506) is provided at the output end of the hydraulic rod (503); A first hinge seat (508) is provided on the back side of the bucket (507), and the first hinge seat (508) is rotatably connected to the guide sleeve (506). A second hinge seat (509) is also provided on the back side of the bucket (507), and the second hinge seat (509) is rotatably connected to the second cross bar (505). The hydraulic rod (503) is used to control the opening and closing of the bucket (507).

6. According to claim 1, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The wheel milling assembly (6) comprises a milling wheel bracket (601), a plurality of transverse guide rails (602) are provided on both sides of the milling wheel bracket (601), a movable driving bracket (605) is provided on the transverse guide rail (602), a wheel milling drive (604) is provided on the driving bracket (605), a milling wheel support frame (606) is provided below the driving bracket (605), and a rotatable milling wheel (609) is provided at the bottom of the milling wheel support frame (606); A transmission belt (607) is provided between the milling wheel (609) and the wheel milling drive (604), and the wheel milling drive (604) is used to drive the milling wheel (609) to rotate.

7. According to claim 6, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: A transverse oil cylinder (603) is provided on one side of the transverse guide rail (602), and the transverse oil cylinder (603) is used to push the driving bracket (605) to transversely adjust the spacing between the milling wheels (609) on the transverse guide rail (602); A third knife seat (611) is symmetrically arranged on the outer circumferential surface of the milling wheel (609), a fourth knife seat (612) is arranged between the third knife seats (611), the third knife seats (611) are symmetrically arranged in an "eight" shape, the fourth knife seat (612) is arranged perpendicular to the end surface of the milling wheel (609), and the third knife seat (611) and the fourth knife seat (612) have complementary spaces; A first knife seat (608) is also provided on the outer side of the transmission belt (607), and the transmission belt (607) is arranged in the middle of the milling wheel (609).

8. According to claim 7, a CSM anti-seepage wall digging and milling integrated slotting device is characterized by: The two end surfaces of the milling wheel (609) are also provided with a tool holder hole (615), a retractable second tool holder (610) is provided inside the tool holder hole (615), a tool holder frame (613) is provided inside the second tool holder (610), a tool push cylinder (614) is provided between the tool holder frame (613) and the milling wheel (609), and the tool push cylinder (614) is used to control the retraction and extension of the second tool holder (610); The first tool seat (608), the second tool seat (610), the third tool seat (611) and the fourth tool seat (612) are all used to install the milling cutter.

9. The CSM anti-seepage wall milling integrated slotting device according to claim 1, characterized in that: The material extraction component (7) comprises a negative pressure pump (701), a filter head (705) is provided below the negative pressure pump (701), and the filter head (705) is arranged between the milling wheels (609); The filter head (705) is provided with a plurality of filter holes (706) extending therethrough, and the filter holes (706) allow gravel to pass through. A material guide pipe (702) is provided above the negative pressure pump (701), and the material guide pipe (702) passes through the flip guide hole (306) and is connected to an external filtering device. A rotating joint (703) is provided between the material guide pipe (702), and the rotating joint (703) is used to cooperate with the flip part (4) to rotate.

10. A slotting method according to any one of claims 1 to 9, characterized in that: The method includes: S1. Using a special lifting vehicle, lift the slotting device (1) to the top of the marked excavation position; S2, first use the sand excavation component (5) to excavate the sand layer (8), and after excavating to a specified depth, lift out the slotting device (1) and move it to the next position for excavation; S3, after the sand layer (8) is excavated, the slotting device (1) is moved to the top of the slot body where the hard rock layer (9) needs to be excavated; S4, starting the flipping motor (404), driving the flipping part (4) to start rotating, and flipping the wheel milling assembly (6) to the bottom of the slotting device (1); S5, start the lateral oil cylinder (603) to adjust the spacing of the milling wheels (609) to the construction standard, start the push-knife oil cylinder (614) to adjust the second knife seat (610) to the construction standard, start the milling wheel drive (604) and the negative pressure pump (701) to gradually dig downward; S6. During the excavation process, the posture of the slotting device (1) in the slot is adjusted by the push plates at the top of the longitudinal oil cylinder (308) and the transverse oil cylinder (307) to maintain verticality; S7, during the excavation process, the transverse cylinder (603) can adjust the spacing between the milling wheels (609), process the hard rock between the milling wheels (609), and the negative pressure pump (701) extracts the sand and stone slurry to the external filtering device and then re-injects it into the tank; S8, after the hard rock layer (9) is excavated, the slotting device (1) is taken out, the second knife seat (610) is retracted, the lateral oil cylinder (603) is started to narrow, and the flip motor (404) flips the sand excavation assembly (5) to the bottom of the slotting device (1) again; S9. The slotting direction of the slotting device (1) can be adjusted by the steering cylinder (203). Steps S1 to S8 are repeated to complete the slotting construction of the anti-seepage wall.

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