CN115573343B - Seepage-proofing film laying device and laying method - Google Patents
Seepage-proofing film laying device and laying method Download PDFInfo
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- CN115573343B CN115573343B CN202211377205.2A CN202211377205A CN115573343B CN 115573343 B CN115573343 B CN 115573343B CN 202211377205 A CN202211377205 A CN 202211377205A CN 115573343 B CN115573343 B CN 115573343B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H21/00—Apparatus for splicing webs
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
Abstract
The invention provides an impermeable film laying device and a laying method, wherein a support frame in the impermeable film laying device is , an impermeable film is wound on a first unwinding roller, a lifting rope is wound on a second unwinding roller, the impermeable film passes through a first pivoting roller and can be abutted against the side wall of a preset impermeable groove, the second pivoting roller can be contacted with the impermeable film due to sliding and push the impermeable film to be separated from the abutment against the side wall of the impermeable groove, a storage bin is arranged on one side of the second pivoting roller, sealing glue can be coated on the impermeable film by the second pivoting roller, and a lifting mechanism is arranged at the bottom end of the impermeable film. According to the invention, the second pivoting roller is arranged, so that the impermeable film cannot be clung to the side wall of the impermeable groove, and as the impermeable film is coated with the sealant, the impermeable film can conveniently extend into the impermeable groove, then the second pivoting roller is enabled to release the abutting joint with the impermeable film by sliding the second pivoting roller, and at the moment, the first unreeling roller is reversed to tighten the impermeable film, so that the impermeable film is clung to and adhered to the side wall of the impermeable groove.
Description
Technical Field
The invention belongs to the technical field of seepage-proofing construction and equipment, and particularly relates to a seepage-proofing film laying device and a seepage-proofing film laying method.
Background
The self-setting mortar underground diaphragm wall is widely used for the seepage prevention and interception control engineering in the field, and is especially suitable for the construction of seepage prevention systems in special areas with high underground water level and soft stratum and easy collapse or in salt lakes or heavy chemical environment areas with larger underground water specific gravity.
The self-setting mortar continuous wall generally has a permeability coefficient of 10-8m/s, cannot meet the environment with higher requirements on pollutant isolation and the like, and has poor resistance to chemical attack due to low strength of about 1MPa, so that the durability of the self-setting mortar continuous wall alone is sometimes difficult to meet the requirements under specific conditions.
The HDPE membrane is widely used in engineering fields of civil engineering, mining engineering, water conservancy engineering, environment engineering and the like, has very good corrosion resistance and extensibility as seepage prevention or isolation effect, is mature and produced in China to have a thickness of 3mm and a breadth of more than 6 meters, and is widely used in engineering fields of open-air landfill sites and the like.
The composite impermeable underground continuous wall is increasingly constructed by adopting HDPE films and self-setting mortars at home and abroad, is used for the permeation control engineering of groundwater and pollutants in the engineering fields of permanent civil engineering, mine, water conservancy, environment and the like, and meets the requirements of smaller permeability below 10-11m/s and better durability.
However, in the prior art, when the HDPE film is laid, adjacent HDPE film portions are often overlapped and then nailed together by the connecting nails, however, gaps exist between the connecting nails after all, and if the HDPE film is connected only by the connecting nails, the seepage-proofing effect of the overlapped portions of the HDPE film is poor.
Disclosure of Invention
The invention aims to provide an anti-seepage film laying device which is used for solving the problem that the anti-seepage effect of the connecting part between adjacent anti-seepage films is poor.
In order to achieve the above purpose, the invention adopts the following technical scheme: the anti-seepage film laying device comprises a support frame, a first unreeling roller, a second unreeling roller, a first pivoting roller, a second pivoting roller and a lifting mechanism, wherein the support frame is ; the first unreeling roller is pivoted on the supporting frame, and an impermeable film is wound on the first unreeling roller; the second unreeling roller is arranged on one side of the first unreeling roller in a sliding manner, and a lifting rope is wound on the second unreeling roller; the first pivoting roller is arranged on one side of the first unreeling roller in a sliding manner, the impermeable film passes through the first pivoting roller, and the impermeable film passing through the first pivoting roller can be abutted against the side wall of a preset impermeable groove; the second pivoting roller is arranged on one side of the first unreeling roller in a sliding manner, can be in contact with the impermeable film due to sliding and pushes the impermeable film to be separated from abutting with the side wall of the impermeable groove, a storage bin is arranged on one side of the second pivoting roller, sealant is arranged in the storage bin, the second pivoting roller is pivoted at a discharge hole of the storage bin, and the second pivoting roller can be used for coating the sealant on the impermeable film due to pivoting; the lifting mechanism is arranged at the bottom end of the anti-seepage film, the lifting mechanism is arranged in the anti-seepage groove in a sliding mode, and the lifting rope is connected with the lifting mechanism.
In one possible implementation manner, the anti-seepage device further comprises a pressure sensor and a control mechanism, wherein the pressure sensor is arranged at the bottom of the lifting mechanism, the first unreeling roller, the second pivoting roller and the pressure sensor are connected with the control mechanism, the control mechanism can receive signals of the pressure sensor and drive and control the second pivoting roller to move in a direction of releasing contact with the anti-seepage film, and meanwhile the control mechanism can control the first unreeling roller to rotate reversely until the anti-seepage film is stretched tightly.
In a possible implementation manner, a first sliding groove is formed in the support frame and corresponds to the first sliding groove, a first bar-shaped hole is formed in the support frame, one end of the first pivoting roller is pivoted on the first sliding plate, the other end of the first pivoting roller is pivoted on the first sliding block, the first sliding plate is slidingly arranged in the first sliding groove, the first sliding block is slidingly arranged in the first bar-shaped hole, a part of the first sliding block extends out to one side of the support frame, a plurality of driven teeth are arranged on the part, extending out to one side of the support frame, of the first sliding block, a fine adjustment motor is arranged on the support frame, and a driving gear is arranged at the power output end of the fine adjustment motor and meshed with the driven teeth.
In a possible implementation manner, a second sliding groove is formed in the supporting frame and corresponds to the second sliding groove, a second bar-shaped hole is formed in the supporting frame, one end of the second unreeling roller is pivoted on the second sliding plate, the other end of the second unreeling roller is pivoted on the second sliding block, the second sliding plate is slidingly arranged in the second sliding groove, the second sliding block is slidingly arranged in the second bar-shaped hole, a first motor is arranged on the supporting frame, a first telescopic rod is arranged at the power output end of the first motor, and the first telescopic rod is connected with the second sliding block.
In a possible implementation manner, a third sliding groove is formed in the supporting frame, the third sliding groove corresponds to the third sliding groove, a third bar-shaped hole is formed in the supporting frame, one end of the second pivoting roller is pivoted on the third sliding plate, the other end of the second pivoting roller is pivoted on the third sliding block, the third sliding plate is slidingly arranged in the third sliding groove, the third sliding block is slidingly arranged in the third bar-shaped hole, a second motor is arranged on the supporting frame, a second telescopic rod is arranged at the power output end of the second motor, and the second telescopic rod is connected with the third sliding block.
In one possible implementation manner, the inner wall of the lifting mechanism is provided with a negative pressure cavity, the side wall of the lifting mechanism is provided with a negative pressure port, the negative pressure port is connected with the negative pressure cavity, the lifting mechanism is provided with a plurality of air outlet channels, the air outlet channels are connected with the negative pressure cavity, an air pump is arranged in the air outlet channels, air in the negative pressure cavity is discharged from the air outlet channels, and the impermeable membrane is adsorbed at the negative pressure port.
In one possible implementation, a nail gun is arranged at one end of the lifting mechanism, and when the lifting mechanism ascends, the nail gun can emit connecting nails to nail the adjacent impermeable films.
In one possible implementation manner, a roller is arranged on the lifting mechanism, the roller is abutted against the side wall of the seepage-proof groove, a connecting rod is arranged on the roller, a pressing rod is pivoted on the connecting rod, a torsion spring is arranged between the pressing rod and the connecting rod, so that the pressing rod can pivot relative to the connecting rod under the action of external force, when the external force is removed, the pressing rod can reset, one side of the roller is provided with a mounting plate, the bottom of the mounting plate is provided with a nail gun switch, and when the lifting mechanism descends, the roller pivots, so that the pressing rod contacts with the top of the mounting plate and pivots under the action of the top of the mounting plate, so as to prevent interference with the pivoting of the roller; when the lifting mechanism ascends, the roller pivots to enable the pressing rod to be in contact with the nail gun switch, so that the nail gun emits and connects nails. And under the action of the nail gun switch, the pressing rod pivots so as to prevent interference with the roller pivoting.
The seepage-proofing film laying device provided by the invention has the beneficial effects that: compared with the prior art, the invention can be conveniently adjusted by arranging the first pivoting roller, so that the impermeable film passing through the first pivoting roller can be tightly attached to the side wall of the impermeable groove when naturally sags, and the conveying path of the impermeable film is changed by arranging the second pivoting roller, so that the impermeable film can not be tightly attached to the side wall of the impermeable groove.
The invention also relates to an anti-seepage film laying method, which uses the anti-seepage film laying device to lay the anti-seepage film on the anti-seepage groove, and comprises the following steps: s1, placing the impermeable film laying device above an impermeable groove, and finely adjusting the first pivoting roller to enable the impermeable film to be closely attached to the side wall of the impermeable groove when the impermeable film is vertically arranged; s2, fixing a lifting mechanism at the bottom end of the impermeable membrane, and then placing the lifting mechanism in the impermeable groove to enable the lifting mechanism to descend to the bottom of the impermeable groove; s3, closing the air pump to enable the impermeable membrane to be disconnected with the lifting mechanism, pulling the lifting mechanism to lift, nailing the impermeable membrane on the side wall of the impermeable tank, and cutting off the impermeable membrane at the top opening of the impermeable tank; s4, moving the impermeable film laying device to enable the impermeable film to be partially overlapped with the impermeable film laid on the side wall of the impermeable groove when the impermeable film is vertically arranged; s5, adjusting the second pivoting roller to approach the impermeable film, and pushing the impermeable film to bend in a direction away from the side wall of the impermeable groove contacted with the impermeable film; s6, fixing the lifting mechanism at the bottom end of the impermeable membrane, and then placing the lifting mechanism in the impermeable groove to enable the lifting mechanism to descend to the bottom of the impermeable groove; s7, driving a second pivoting roller to release contact with the impermeable film, and reversing the first unreeling roller to tightly press the impermeable film against the side wall of the impermeable groove; s8, closing the air pump to enable the impermeable films to be disconnected with the lifting mechanism, pulling the lifting mechanism to ascend, nailing the overlapping areas of the adjacent impermeable films, and cutting off the impermeable films at the top opening of the impermeable groove; repeating the steps S4 to S8 until the laying of the seepage-proofing film in the seepage-proofing groove is completed.
In one possible implementation, after the impermeable film is laid, a sealant is injected into the impermeable groove, and soil for excavating the impermeable groove is backfilled above the sealant.
The seepage-proofing film laying method provided by the invention has the beneficial effects that: compared with the prior art, the method can be used for more conveniently paving the impermeable films, and simultaneously, the overlapping parts of the adjacent impermeable films are bonded through the sealant in paving, so that the impermeable effect of the joint between the adjacent impermeable films is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an anti-seepage film laying device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first slider according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a storage bin according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 4;
FIG. 6 is a schematic structural diagram of a compression bar according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an air passage according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an impermeable film laying device according to an embodiment of the present invention in one state;
FIG. 9 is a schematic view of an apparatus for laying an impermeable film in another state according to an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the overlapping area of the barrier film according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of an impermeable groove after the impermeable film is laid.
Wherein, each reference sign is as follows in the figure:
1. a first unreeling roller; 2. a second unreeling roller; 3. a first pivot roller; 4. a second pivoting roller; 5. a lifting mechanism; 6. an anti-seepage groove; 7. a formation; 8. a support frame;
101. an impermeable membrane; 102. connecting nails; 103. an overlap region;
201. a second sliding plate; 202. a second slider; 203. a first telescopic rod; 204. a first motor; 205. a halyard;
301. a first sliding plate; 302. a first slider; 303. driven teeth;
401. a third sliding plate; 402. a third slider; 403. a second motor; 404. a second telescopic rod; 405. a storage bin;
501. a negative pressure port; 502. a roller; 503. a connecting plate; 504. a pressing plate; 505. a support plate; 506. a roller; 507. an airway;
601. a sealant; 602. backfilling soil;
801. a first chute; 802. a first bar-shaped hole; 803. a second chute; 804. a second bar-shaped hole; 805. a third chute; 806. and a third bar-shaped hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be further noted that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present invention.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the same sense as the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
Example 1
Referring to fig. 1, 2 and 3, the anti-seepage film laying device includes a support frame 8, a first unreeling roller 1, a second unreeling roller 2, a first pivoting roller 3, a second pivoting roller 4 and a lifting mechanism 5, wherein the support frame 8 is in a shape of ; the first unreeling roller 1 is pivoted on the supporting frame 8, and an impermeable film 101 is wound on the first unreeling roller 1; the second unreeling roller 2 is slidably arranged on one side of the first unreeling roller 1, and a lifting rope 205 is wound on the second unreeling roller; the first pivoting roller 3 is slidably arranged on one side of the first unreeling roller 1, the impermeable film 101 passes through the first pivoting roller 3, and the impermeable film 101 passing through the first pivoting roller 3 can be abutted against the side wall of a preset impermeable groove; the second pivoting roller 4 is slidably arranged at one side of the first unreeling roller 1, the second pivoting roller 4 can be in contact with the impermeable film 101 due to sliding and push the impermeable film 101 to be separated from abutting with the side wall of the impermeable groove 6, a storage bin 405 is arranged at one side of the second pivoting roller 4, sealant is arranged in the storage bin 405, the second pivoting roller 4 is pivotally arranged at a discharge hole of the storage bin 405, and the second pivoting roller 4 can be used for coating the sealant on the impermeable film 101 due to pivoting; the lifting mechanism 5 is arranged at the bottom end of the impermeable membrane 101, the lifting mechanism 5 is slidably arranged in the impermeable groove 6, and the lifting rope 205 is connected with the lifting mechanism 5.
The seepage-proofing film laying device provided by the embodiment has the beneficial effects that: compared with the prior art, the impermeable film laying device provided by the embodiment can be conveniently adjusted by arranging the first pivot roller 3, so that the impermeable film 101 passing through the first pivot roller 3 can cling to the side wall of the impermeable groove 6 when naturally drooping down, as shown in fig. 8. By providing the second pivoting roller 4, the conveying path of the impermeable film 101 is changed so that the impermeable film 101 cannot be abutted against the side wall of the impermeable tank 6, as shown in fig. 9. Because the impermeable film 101 is coated with the sealant, the impermeable film 101 can be conveniently stretched into the impermeable groove 6, then the second pivoting roller 4 is slid to release the abutting of the impermeable film 101, and at the moment, the first unreeling roller 1 is reversed to tighten the impermeable film 101, so that the impermeable film 101 is tightly attached to the side wall of the impermeable groove 6, namely, the mutually overlapped parts of the impermeable film 101 are bonded together.
Based on the design concept, the invention further comprises a pressure sensor and a control mechanism, wherein the pressure sensor is arranged at the bottom of the lifting mechanism 5, the first unreeling roller 1, the second pivoting roller 4 and the pressure sensor are connected with the control mechanism, the control mechanism can receive signals of the pressure sensor and drive and control the second pivoting roller 4 to move in the direction of releasing contact with the impermeable film 101, and meanwhile, the control mechanism can control the first unreeling roller 1 to rotate reversely until the impermeable film 101 is stretched. After the impermeable film 101 is stretched, the impermeable film 101 abuts against the left side wall of the impermeable groove 6, and then the overlapping areas 103 of the adjacent impermeable films 101 abut against each other, and the second pivoting roller 4 applies sealant to the impermeable film 101, so that the overlapping areas 103 are bonded together.
The support frame 8 is provided with a first chute 801, and a first bar-shaped hole 802 is arranged on the support frame 8 corresponding to the first chute 801. As shown in fig. 2, one end of the first pivoting roller 3 is pivotally disposed on the first sliding plate 301, the other end of the first pivoting roller 3 is pivotally disposed on the first sliding block 302, the first sliding plate 301 is slidably disposed in the first sliding groove 801, the first sliding block 302 is slidably disposed in the first bar-shaped hole 802, a part of the first sliding block 302 extends to one side of the support frame 8, a plurality of driven teeth 303 are disposed on a part of the first sliding block 302 extending to one side of the support frame 8, a fine adjustment motor is disposed on the support frame 8, a driving gear is disposed at a power output end of the fine adjustment motor, and the driving gear is meshed with the driven teeth 303. The setting of fine setting motor for first pivot roller 3 can slide to the left end of first pivot roller 3 flushes with the left side wall of prevention of seepage groove 6, and when being convenient for prevent seepage membrane 101 tighten vertically, can hug closely on the lateral wall of prevention of seepage groove 6.
In addition, be equipped with second spout 803 on the support frame 8, correspond second spout 803, be equipped with second bar hole 804 on the support frame 8, the one end pivot of second unreeling roller 2 is located on the second sliding plate 201, the other end pivot of second unreeling roller 2 is located on the second slider 202, the second sliding plate 201 slides and locates in the second spout 803, the second slider 202 slides and locates in the second bar hole 804, be equipped with first motor 204 on the support frame 8, the power take off end of first motor 204 is equipped with first telescopic link 203, first telescopic link 203 is connected with the second slider 202. The first motor 204 is arranged, so that the position of the second unreeling roller 2 can be finely adjusted, the left end of the second unreeling roller 2 is located above the middle of the lifting mechanism 5, and the lifting mechanism 5 is driven to ascend when the second unreeling roller 2 winds the lifting rope 205.
The third sliding groove 805 is formed in the supporting frame 8, a third bar-shaped hole 806 is formed in the supporting frame 8, one end of the second pivoting roller 4 is pivoted on the third sliding plate 401, the other end of the second pivoting roller 4 is pivoted on the third sliding block 402, the third sliding plate 401 is slidably arranged in the third sliding groove 805, the third sliding block 402 is slidably arranged in the third bar-shaped hole 806, a second motor 403 is arranged on the supporting frame 8, two telescopic rods are arranged at the power output end of the second motor 403, and the second telescopic rods 404 are connected with the third sliding block 402. The second motor 403 is arranged to facilitate the sliding of the second pivot roller 4, so as to facilitate the smearing of sealant on the part of the impermeable film 101 and facilitate the bonding of the overlapping area 103 of the adjacent impermeable films 101.
As shown in fig. 4, 5, 6 and 7, the inner wall of the lifting mechanism 5 is provided with a negative pressure cavity, the side wall of the lifting mechanism 5 is provided with a negative pressure port 501, the negative pressure port 501 is connected with the negative pressure cavity, the lifting mechanism 5 is provided with a plurality of air outlet channels 507, the air outlet channels 507 are connected with the negative pressure cavity, an air pump is arranged in the air outlet channels 507, air in the negative pressure cavity is discharged from the air outlet channels 507, and the impermeable membrane 101 is adsorbed at the negative pressure port 501. When the air pump is started, the impermeable membrane 101 can be adsorbed at the negative pressure port 501, so that the lifting mechanism 5 can drive the impermeable membrane 101 to descend to the bottom of the impermeable tank 6 when descending in the impermeable tank 6.
Preferably, a nail gun is arranged at one end of the lifting mechanism 5, and when the lifting mechanism 5 ascends, the nail gun can emit connecting nails 102 to nail the adjacent impermeable films 101.
In this embodiment, the rollers 502 are disposed at the positions of the top and bottom of the lifting mechanism 5 near the right end, so that the lifting mechanism can be stably lifted or lowered after the lifting mechanism is lifted, and the rollers 502 are abutted against the right side wall of the anti-seepage groove 6 when the lifting mechanism 5 is placed in the anti-seepage groove 6. Specifically, support plates 505 are symmetrically arranged at the top and bottom of the lifting mechanism 5, rollers 506 are pivoted between the support plates 505, and the rollers 502 are arranged on the rollers 506.
A connecting rod 503 is arranged at one end of the roller 502, a pressing rod 504 is pivotally arranged on the connecting rod 503, and a torsion spring is arranged between the pressing rod 504 and the connecting rod 503, so that the pressing rod 504 can pivot relative to the connecting rod 503 due to the action of external force, and when the external force is removed, the pressing rod 504 can reset.
Finally, one side of the roller 502 provided with the connecting rod 503 is provided with a mounting plate, the bottom of the mounting plate is provided with a nail gun switch, when the lifting mechanism 5 descends, the roller 502 pivots, so that the pressing rod 504 contacts with the top of the mounting plate and pivots under the action of the top of the mounting plate, and the pivoting of the roller 502 is prevented from being interfered; when the lifting mechanism 5 is lifted, the roller 502 pivots to enable the pressing rod 504 to be in contact with the nail gun switch, so that the nail gun is used for emitting the connecting nail 102, and under the action of the nail gun switch, the pressing rod 504 pivots to prevent the interference roller 502 from pivoting. By the arrangement, on one hand, the lifting mechanism 5 can conveniently launch the connecting nails 102 when ascending, does not launch the connecting nails 102 when descending, and the roller 502 can launch one connecting nail 102 every time it rolls through one circle, so that the distances between the adjacent connecting nails 102 are the same.
Example two
The present invention also relates to a method of laying an impermeable film 101 on an impermeable tank 6 using an impermeable film laying device as described in example one, comprising,
s1, placing an impermeable film laying device above an impermeable groove 6, and finely adjusting a first pivoting roller 3 to enable an impermeable film 101 to be closely attached to the side wall of the impermeable groove 6 when being vertically arranged;
s2, fixing the lifting mechanism 5 at the bottom end of the impermeable film 101, then placing the lifting mechanism 5 in the impermeable groove 6, enabling the lifting mechanism 5 to descend to the bottom of the impermeable groove 6, and enabling the bottom end of the impermeable film 101 to descend to the bottom of the impermeable groove 6 along with the lifting mechanism 5;
s3, closing the air pump to disconnect the impermeable film 101 from the lifting mechanism 5, putting the second impermeable film 101 on a winding roller to wind up the lifting rope 205, driving the lifting mechanism 5 to ascend, nailing the impermeable film 101 on the side wall of the impermeable groove 6, and cutting off the impermeable film 101 at the top opening of the impermeable groove 6;
s4, moving the impermeable film laying device to enable the impermeable film 101 to be partially overlapped with the impermeable film 101 laid on the side wall of the impermeable groove 6 when being vertically arranged, wherein in the step, the width of the overlapped area 103 is the same as the width of the part coated with the sealant by the second unreeling roller 2 of the impermeable film 101;
s5, adjusting the second pivoting roller 4 to approach the impermeable film 101, and pushing the impermeable film 101 to bend in a direction away from the side wall of the impermeable groove 6 contacted with the impermeable film 101, so that the impermeable film 101 is arranged like the arrangement of FIG. 9, and the impermeable film 101 can be prevented from being inconvenient to descend in the impermeable groove 6 once contacted with the paved impermeable film 101 after the sealant is coated on the impermeable film 101;
s6, fixing the lifting mechanism 5 at the bottom end of the impermeable film 101, and then placing the lifting mechanism 5 in the impermeable groove 6 to enable the lifting mechanism 5 to descend to the bottom of the impermeable groove 6;
s7, driving the second pivoting roller 4 to release contact with the impermeable film 101, and reversing the first unreeling roller 1 to tighten the impermeable film 101 against the side wall of the impermeable groove 6;
s8, closing the air pump to disconnect the impermeable films 101 from the lifting mechanism 5, pulling the lifting mechanism 5 to ascend, nailing the overlapping area 103 of the adjacent impermeable films 101, cutting off the impermeable films 101 at the top opening of the impermeable groove 6, and adhering and nailing the impermeable films 101 together, wherein the structure is shown in figure 10.
Repeating the steps S4 to S8 until the impermeable film 101 in the impermeable groove 6 is laid.
Finally, as shown in fig. 11, after the impermeable film 101 is laid, a sealant 601 is injected into the impermeable tank 6, and backfilled soil 602 dug when the impermeable tank 6 is dug on the stratum 7 is backfilled above the sealant.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. An impermeable film laying device for laying an impermeable film into an impermeable groove, which is characterized by comprising:
a support frame (8) which is in a shape of ;
the first unreeling roller (1) is pivoted on the supporting frame (8), and an impermeable film (101) is wound on the first unreeling roller (1);
the second unreeling roller (2) is arranged on one side of the first unreeling roller (1) in a sliding manner, and a lifting rope (205) is wound on the second unreeling roller;
the first pivoting roller (3) is arranged on one side of the first unreeling roller (1) in a sliding manner, the impermeable film (101) passes through the first pivoting roller (3), and the impermeable film (101) passing through the first pivoting roller (3) can be abutted with the side wall of a preset impermeable groove;
the second pivoting roller (4) is slidably arranged on one side of the first unreeling roller (1), the second pivoting roller (4) can be in contact with the impermeable film (101) due to sliding and pushes the impermeable film (101) to be out of abutting connection with the side wall of the impermeable groove (6), a storage bin (405) is arranged on one side of the second pivoting roller (4), sealant is arranged in the storage bin (405), the second pivoting roller (4) is pivotally arranged at a discharge hole of the storage bin (405), the sealant can be coated on a part of the impermeable film (101) due to pivoting, the second pivoting roller (4) is slid to enable the second pivoting roller (4) to be out of abutting connection with the impermeable film (101), the impermeable film (101) is tensioned by the first unreeling roller (1) in a reverse mode, and the impermeable film (101) and the side wall of the impermeable groove (6) are tightly attached to enable the impermeable films (101) to be adhered together;
and the lifting mechanism (5) is arranged at the bottom end of the anti-seepage film (101), the lifting mechanism (5) is arranged in the anti-seepage groove (6) in a sliding manner, and the lifting rope (205) is connected with the lifting mechanism (5).
2. The barrier film deposition apparatus according to claim 1, wherein: the anti-seepage device comprises a lifting mechanism (5), and is characterized by further comprising a pressure sensor and a control mechanism, wherein the pressure sensor is arranged at the bottom of the lifting mechanism (5), the first unreeling roller (1), the second pivoting roller (4) and the pressure sensor are connected with the control mechanism, the control mechanism can receive signals of the pressure sensor and drive and control the second pivoting roller (4) to move in a direction of releasing contact with the anti-seepage film (101), and meanwhile, the control mechanism can control the first unreeling roller (1) to rotate reversely until the anti-seepage film (101) is stretched tightly.
3. The barrier film deposition apparatus according to claim 2, wherein: be equipped with first spout (801) on support frame (8), correspond first spout (801), be equipped with first bar hole (802) on support frame (8), the one end pivot of first pivot roller (3) is located on first sliding plate (301), the other end pivot of first pivot roller (3) is located on first slider (302), first sliding plate (301) slip is located in first spout (801), first slider (302) slip is located in first bar hole (802), the part of first slider (302) stretches out to one side of support frame (8), stretch out to first slider (302) be equipped with a plurality of driven teeth (303) on the part of support frame (8) one side, be equipped with the fine setting motor on support frame (8), the power take off end of fine setting motor is equipped with the driving gear, the driving gear with driven teeth (303) meshing.
4. The barrier film deposition apparatus according to claim 2, wherein: be equipped with second spout (803) on support frame (8), correspond second spout (803), be equipped with second bar hole (804) on support frame (8), the one end pivot of second unreel roller (2) is located on second sliding plate (201), the other end pivot of second unreel roller (2) is located on second slider (202), second sliding plate (201) slip is located in second spout (803), second slider (202) slip is located in second bar hole (804), be equipped with first motor (204) on support frame (8), the power take off end of first motor (204) is equipped with first telescopic link (203), first telescopic link (203) with second slider (202) are connected.
5. The barrier film deposition apparatus according to claim 2, wherein: be equipped with third spout (805) on support frame (8), correspond third spout (805), be equipped with third bar hole (806) on support frame (8), the one end pivot of second pivot roller (4) is located on third slider (401), the other end pivot of second pivot roller (4) is located on third slider (402), third slider (401) slip is located in third spout (805), third slider (402) slip is located in third bar hole (806), be equipped with second motor (403) on support frame (8), the power take off end of second motor (403) is equipped with the second telescopic link, second telescopic link (404) with third slider (402) are connected.
6. The barrier film deposition apparatus according to claim 2, wherein: the inner wall of elevating system (5) is equipped with the negative pressure chamber, be equipped with negative pressure mouth (501) on the lateral wall of elevating system (5), negative pressure mouth (501) with the negative pressure chamber is connected, be equipped with a plurality of air outlet channels (507) on elevating system (5), air outlet channel (507) with the negative pressure chamber is connected, be equipped with the air pump in air outlet channel (507), will the air in the negative pressure chamber is followed air outlet channel (507) is discharged, barrier film (101) adsorb in negative pressure mouth (501) department.
7. The barrier film deposition apparatus according to claim 2, wherein: and a nail gun is arranged at one end of the lifting mechanism (5), and when the lifting mechanism (5) ascends, the nail gun can emit connecting nails (102) to nail the adjacent impermeable films (101).
8. The barrier film deposition apparatus according to claim 7, wherein: the lifting mechanism (5) is provided with a roller (502), the roller (502) is abutted with the side wall of the seepage-proof groove (6), the roller (502) is provided with a connecting rod (503), the connecting rod (503) is pivoted with a pressing rod (504), a torsion spring is arranged between the pressing rod (504) and the connecting rod (503), the pressing rod (504) can pivot relative to the connecting rod (503) under the action of external force, when the external force is removed, the pressing rod (504) can reset, one side of the roller (502) is provided with a mounting plate, the bottom of the mounting plate is provided with a nail gun switch, and when the lifting mechanism (5) descends, the roller (502) pivots, so that the pressing rod (504) contacts with the top of the mounting plate and pivots under the action of the top of the mounting plate, and the pressing rod (504) is prevented from interfering with the pivoting of the roller (502). When the lifting mechanism (5) ascends, the roller (502) pivots, so that the pressing rod (504) is in contact with the nail gun switch, the nail gun is enabled to emit connecting nails (102), and under the action of the nail gun switch, the pressing rod (504) pivots so as to prevent interference with the pivoting of the roller (502).
9. An impermeable film laying method for laying an impermeable film (101) on an impermeable tank (6) using an impermeable film laying device as claimed in any one of claims 6 to 8, characterized in that:
s1, placing the impermeable film laying device above an impermeable groove (6), and finely adjusting the first pivoting roller (3) to enable the impermeable film (101) to be closely attached to the side wall of the impermeable groove (6) when being vertically arranged;
s2, fixing the lifting mechanism (5) at the bottom end of the anti-seepage film (101), and then placing the lifting mechanism (5) in the anti-seepage groove (6) to enable the lifting mechanism (5) to descend to the bottom of the anti-seepage groove (6);
s3, closing the air pump to disconnect the impermeable membrane (101) from the lifting mechanism (5), pulling the lifting mechanism (5) to rise, nailing the impermeable membrane (101) on the side wall of the impermeable groove (6), and cutting off the impermeable membrane (101) at the top opening of the impermeable groove (6);
s4, moving the impermeable film laying device to enable the impermeable film (101) to be partially overlapped with the impermeable film (101) laid on the side wall of the impermeable groove (6) when the impermeable film (101) is vertically arranged;
s5, adjusting the second pivoting roller (4) to approach the impermeable film (101) and pushing the impermeable film (101) to bend in a direction away from the side wall of the impermeable groove (6) contacted with the impermeable film (101);
s6, fixing the lifting mechanism (5) at the bottom end of the anti-seepage film (101), and then placing the lifting mechanism (5) in the anti-seepage groove (6) to enable the lifting mechanism (5) to descend to the bottom of the anti-seepage groove (6);
s7, driving the second pivoting roller (4) to release contact with the impermeable film (101), and reversing the first unreeling roller (1) to tightly press the impermeable film (101) against the side wall of the impermeable groove (6);
s8, closing the air pump, disconnecting the impermeable membrane (101) from the lifting mechanism (5), pulling the lifting mechanism (5) to ascend, nailing the overlapping area (103) of the adjacent impermeable membranes (101), and cutting off the impermeable membrane (101) at the top opening of the impermeable groove (6);
and (4) repeating the steps S4 to S8 until the impermeable film (101) in the impermeable groove (6) is paved.
10. The barrier film deposition method according to claim 9, wherein: after the impermeable film (101) is paved, a sealant is injected into the impermeable groove (6), and soil in the impermeable groove (6) is backfilled and excavated above the sealant.
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| CN202211377205.2A CN115573343B (en) | 2022-11-04 | 2022-11-04 | Seepage-proofing film laying device and laying method |
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| CN214461931U (en) * | 2021-02-23 | 2021-10-22 | 四川腾防防水保温工程有限公司 | Waterproofing membrane laying device |
| WO2022047643A1 (en) * | 2020-09-02 | 2022-03-10 | 四川轻化工大学 | Environmentally-friendly composite bypass seepage-prevention flexible vertical isolation system, and installation method |
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| JPH09158172A (en) * | 1995-12-05 | 1997-06-17 | Hazama Gumi Ltd | Wall face processing device of underground continuous wall element |
| KR20100042441A (en) * | 2008-10-16 | 2010-04-26 | 주식회사 한미파슨스건축사사무소 | Inducing waterproof structure of underground diaphragm wall |
| CN109056838A (en) * | 2018-07-26 | 2018-12-21 | 上海远方基础工程有限公司 | Underground anti-seepage film plugs connector and its construction method |
| CN111424728A (en) * | 2020-04-28 | 2020-07-17 | 中煤科工集团西安研究院有限公司 | Vertical overlapping laying and sealing device and method for impermeable film of waterproof curtain |
| WO2022047643A1 (en) * | 2020-09-02 | 2022-03-10 | 四川轻化工大学 | Environmentally-friendly composite bypass seepage-prevention flexible vertical isolation system, and installation method |
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| CN115573343A (en) | 2023-01-06 |
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