CN118065374A

CN118065374A - Geomembrane laying device

Info

Publication number: CN118065374A
Application number: CN202410498304.9A
Authority: CN
Inventors: 张炳焜; 章学良; 唐涛; 冉佳鑫; 刘溢; 蒋志军
Original assignee: Sichuan Institute of Building Research
Current assignee: Sichuan Institute of Building Research
Priority date: 2024-04-24
Filing date: 2024-04-24
Publication date: 2024-05-24
Anticipated expiration: 2044-04-24

Abstract

The invention provides a geomembrane laying device, which belongs to the field of building construction equipment and comprises a laying frame, an unreeling mechanism, a compacting mechanism, a flattening mechanism and a tightening mechanism; the laying frame comprises a main frame and an extension frame, and the unreeling mechanism is arranged at the bottom of the main frame and used for unreeling the geomembrane roll; the compaction mechanism is arranged at one end of the extension frame far away from the main frame and is used for compacting the free end of the geomembrane roll; the flattening mechanism is arranged on the extension frame in a sliding manner along the length direction of the extension frame and is used for flattening the geomembrane from the free end to the unreeling end; two groups of traction pieces are arranged between the compaction seat and the placement seat, and are symmetrically arranged at two sides of the laying frame and used for driving the unreeling mechanism to move upwards so as to enable the geomembrane roll to move upwards to leave the ground; the tightening mechanism is arranged on the main frame and used for driving the geomembrane roll to rotate so as to wind the superfluous geomembrane on the ground onto the geomembrane roll. The invention can efficiently finish the laying process of the geomembrane, improves the laying efficiency and reduces the labor intensity of workers.

Description

Geomembrane laying device

Technical Field

The invention relates to the technical field of building construction equipment, in particular to a geomembrane laying device.

Background

The geomembrane is a geotechnical impermeable material formed by compounding a plastic film serving as an impermeable base material and non-woven fabrics, and the main mechanism is that the impermeable property of the plastic film is utilized to block a water leakage channel of a soil dam, and the plastic film has larger tensile strength and elongation to bear water pressure and adapt to deformation of the dam body; the non-woven fabric is also a high-molecular short-fiber chemical material, has higher tensile strength and extensibility through needling or hot bonding, and after being combined with the plastic film, the non-woven fabric not only increases the tensile strength and puncture resistance of the plastic film, but also increases the friction coefficient of a contact surface due to the rough surface of the non-woven fabric, thereby being beneficial to the stability of the geomembrane protective layer.

When current geomembrane is laid, need use lifting equipment to hoist and mount the geomembrane roll of lapping, then through many people cooperation with the free end tiling expansion of geomembrane roll, lay the process and waste time and energy, and can not avoid producing the fold in the expansion process, later stage still need the manual work to level the fold position.

Disclosure of Invention

The invention aims to provide a geomembrane paving device which can efficiently finish the paving process of a geomembrane, can flatten generated wrinkles in the paving process, improves the paving efficiency and reduces the labor intensity.

The embodiment of the invention is realized by the following technical scheme: the geomembrane laying device comprises a laying frame, an unreeling mechanism, a compacting mechanism, a flattening mechanism and a tightening mechanism; the laying frame comprises a main frame and an extension frame, rollers are arranged at the bottoms of the main frame and the extension frame, and a pulling handle is arranged at one side of the main frame away from the extension frame; the unreeling mechanism comprises an unreeling roller, two placing seats and two supporting seats, wherein the two supporting seats are respectively and fixedly arranged on two sides of the main frame, the two placing seats are arranged on one side, close to each other, of the two supporting seats in a one-to-one correspondence sliding manner, a placing groove is formed in the placing seat along the length direction of the placing seat, the diameter of the unreeling roller is smaller than the inner diameter of the geomembrane roll, limiting discs are connected to the unreeling roller in a threaded manner on two sides of the geomembrane roll, and two ends of the unreeling roller are respectively and slidably connected in the two placing grooves; the compressing mechanism comprises a compressing electric cylinder and a compressing seat, a cylinder barrel of the compressing electric cylinder is fixedly arranged at one end of the extending frame far away from the main frame, and the compressing seat is fixedly connected to a piston rod of the compressing electric cylinder; the spreading mechanism comprises a supporting beam and a spreading roller arranged right below the supporting beam, the supporting beam is arranged on the extending frame in a sliding manner along the length direction of the extending frame, a driving assembly for driving the supporting beam to move is arranged on the extending frame, telescopic rods are vertically arranged at two ends of the bottom of the supporting beam, and the spreading roller is rotatably arranged between the two telescopic rods; two groups of traction pieces for driving the placing seat to slide along the height direction of the supporting seat are arranged between the pressing seat and the placing seat, the two groups of traction pieces are symmetrically arranged on two sides of the laying frame, the traction pieces comprise traction ropes and guide rods, the guide rods are vertically arranged on the laying frame and positioned between the supporting seat and the pressing mechanism, the traction ropes are arranged on the top ends of the guide rods in a penetrating mode, one ends of the traction ropes are fixedly connected to the placing seat, and the other ends of the traction ropes are fixedly connected to the pressing seat; the tightening mechanism comprises a tightening electric cylinder, a tightening rope, a tightening frame and a pressing seat, wherein a cylinder barrel of the tightening electric cylinder is fixedly arranged on the main frame, a driving block is arranged on a piston rod of the tightening electric cylinder, the tightening frame is rotatably arranged on the placing seat and located at the bottom of the placing groove, the pressing seat is fixedly arranged on one side of the tightening frame, which faces the center position of the length direction of the unreeling roller, and one end of the tightening rope is fixedly connected with the tightening frame, and the other end of the tightening rope is fixedly connected with the driving block.

Further, be provided with in the standing groove and place the piece, the tip setting of unreeling roller is in placing the piece, the one end of unreeling roller is kept away from to place the piece is provided with the back shaft, the one end of back shaft extends to and places outside the seat, back shaft and unreels roller coaxial line setting, one side that unreels roller length direction central point put is kept away from to the frame is provided with the rolling disc, the one end outside the seat is located to the back shaft is established to the rolling disc movable sleeve.

Further, a spring piece for driving the rotating disc to move away from the placing block is connected between the rotating disc and the placing block; the rotating disc is a conical disc, and the diameter of one end of the rotating disc, which is close to the supporting seat, is larger than the diameter of one end of the rotating disc, which is far away from the supporting seat; the bottom of body frame is fixed to be provided with and is stirred the seat, stir the bottom of seat and be provided with the arc butt face, when the rolling disc upwards moved, the arc butt face and the toper face butt of rolling disc and order about the rolling disc to the direction that is close to the supporting seat removes to make to press the seat to support the terminal surface at the geomembrane book.

Further, the extension frame comprises two vertical seats and a transverse seat arranged between the two vertical seats, one end of each vertical seat is fixedly connected to the main frame, one side, far away from the main frame, of each vertical seat is provided with a sliding groove along the length direction of the sliding groove, and two ends of the supporting beam are respectively connected in the two sliding grooves in a sliding manner; the driving assembly comprises a driving motor and a screw rod, the screw rod is rotationally connected in one of the sliding grooves, a threaded hole matched with the screw rod is formed in the supporting beam and is in threaded connection with the screw rod, and the driving motor is fixedly arranged at one end of the vertical seat and an output shaft of the driving motor is fixedly connected with the screw rod.

Further, the telescopic link includes branch and lower branch, the top of going up branch is fixed to be set up on supporting beam, the mounting groove has been seted up to the bottom of going up branch, lower branch sliding connection is in the mounting groove, be connected with between the diapire of lower branch and mounting groove and support tight spring, the both ends of amortizing roller rotate respectively and connect the bottom at two lower branches.

Further, the arc-shaped groove for placing the flattening roller is formed in one face of the pressing seat, which faces the flattening roller, an inclined face is arranged on the pressing seat and located at the lower portion of the arc-shaped groove, and when the driving assembly drives the flattening roller to move in the direction close to the pressing seat, the flattening roller can be attached to the arc-shaped groove through the inclined face.

Further, the bottom that extension frame one side was kept away from to the body frame is provided with the clearance mechanism that is used for cleaing away the rubble, the clearance mechanism includes the box and rotates the scraper bowl that sets up on the box, be connected with between box and the scraper bowl and be used for driving the scraper bowl to support the torsion spring of pressing subaerial, be connected with the pulling piece that is used for driving the scraper bowl to overturn upwards between scraper bowl and the tightening cylinder, the through-hole has been seted up on the box, can be with the rubble that clears away from the road surface when the scraper bowl upwards overturns in leading-in the box through the through-hole.

Further, be provided with the closure piece that is used for sealing the bottom opening on the scraper bowl, the closure piece includes closure axle and closure board, the closure axle rotates to set up in the scraper bowl and be located the scraper bowl bottom opening directly over, the closure board includes rigid section and flexible section, rigid section passes through connecting rod fixed connection on the closure axle, flexible section is the arc and is located the rigid section and keep away from the one side of closure axle.

Further, the pulling piece comprises a pulling rope, a supporting rod and a supporting plate, a driven rod is arranged on the bucket, one end of the pulling rope is fixedly arranged on the driven rod, a hook is arranged at the other end of the pulling rope, a hanging ring for the hook to hang is arranged on the driving block, the supporting rod is fixedly arranged on the box body, the supporting plate is fixedly arranged on the main frame, and through holes for the pulling rope to pass through are formed in the supporting rod and the supporting plate.

The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:

1. According to the invention, the geomembrane is unreeled through the unreeling mechanism, the free end of the geomembrane roll is compressed through the compressing mechanism, the geomembrane is flattened from the free end to the unreeled end through the flattening mechanism, the unreeled mechanism is driven to move upwards through the traction piece so as to enable the geomembrane roll to move upwards to leave the ground, and the tightening mechanism is driven to rotate so as to wind the superfluous geomembrane on the ground onto the geomembrane roll, so that the laying process of the geomembrane is facilitated, the generated folds can be flattened in the laying process, the laying efficiency is improved, and the manual labor intensity is reduced.

2. According to the invention, the cleaning mechanism consisting of the bucket and the box body is arranged, so that the bucket can play a role in further cleaning the broken stone on the road surface before paving, and the box body can collect the cleaned broken stone, thereby avoiding the influence on paving quality due to broken stone on the ground when the geomembrane is paved.

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 will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a geomembrane laying apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of the hold-down mechanism and unwind mechanism of the present invention on a lay-up stand;

FIG. 3 is a first schematic diagram of the hold-down mechanism, unwind mechanism and traction member of the present invention for showing the state of the unwind mechanism when the hold-down mechanism is not in operation;

FIG. 4 is a second schematic diagram of the hold-down mechanism, unwind mechanism and traction member of the present invention for showing the state of the unwind mechanism in the operating state of the hold-down mechanism;

FIG. 5 is a schematic view of the structure of the flattening mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the tightening frame, support shaft and toggle seat of the present invention;

FIG. 7 is a schematic view of the structure of the cleaning mechanism of the present invention on the main frame;

FIG. 8 is a schematic view of the clearing mechanism and tightening mechanism of the present invention;

Icon: 1-laying frame, 11-main frame, 111-toggle seat, 1111-arc abutting surface, 12-extension frame, 121-driving component, 1211-driving motor, 1212-lead screw, 122-vertical seat, 1221-chute, 123-horizontal seat, 13-roller, 14-pulling handle, 2-unreeling mechanism, 21-unreeling roller, 211-limit plate, 22-placing seat, 221-placing groove, 222-placing block, 223-supporting shaft, 23-supporting seat, 3-compressing mechanism, 31-compressing electric cylinder, 32-compressing seat, 321-arc groove, 322-inclined surface, 4-flattening mechanism, 41-supporting beam, 42-flattening roller, 43-telescopic rod, 431-upper pole, 432-lower pole, 433-tightening spring, 5-tightening mechanism, 51-tightening cylinder, 511-driving block, 512-hanging ring, 52-tightening rope, 53-tightening frame, 531-rotating disk, 5311-spring piece, 54-pressing seat, 6-traction piece, 61-traction rope, 62-guide bar, 7-clearing mechanism, 71-case, 711-through opening, 72-bucket, 721-driven bar, 73-torsion spring, 74-pulling piece, 741-pulling rope, 742-support bar, 743-support plate, 744-hook, 75-closure piece, 751-closure shaft, 752-closure plate, 7521-rigid segment, 7522-flexible segment, 753-connecting bar.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-8, and referring to fig. 1 and 2, the present invention is a geomembrane laying apparatus, which includes a laying frame 1, an unreeling mechanism 2, a compacting mechanism 3, a flattening mechanism 4, and a tightening mechanism 5; the laying frame 1 comprises a main frame 11 and an extension frame 12 welded at one end of the main frame 11, rollers 13 are arranged at the bottoms of the main frame 11 and the extension frame 12, and a pulling handle 14 is arranged at one side, far away from the extension frame 12, of the main frame 11 so as to facilitate pulling the whole laying device. The unreeling mechanism 2 is arranged at the bottom of the main frame 11 and is used for unreeling the geomembrane roll; the compaction mechanism 3 is arranged at one end of the extension frame 12 far away from the main frame 11 and is used for compacting the free end of the geomembrane roll; the flattening mechanism 4 is connected to the extension frame 12 in a sliding manner along the length direction of the extension frame 12 and is used for flattening the geomembrane from the free end to the unreeling end; two groups of traction pieces 6 are arranged between the compacting seat 32 and the placing seat 22, and the two groups of traction pieces 6 are symmetrically arranged at two sides of the laying frame 1 and are used for driving the unreeling mechanism 2 to move upwards so as to enable the geomembrane roll to move upwards to leave the ground; the tightening mechanism 5 is mounted on the main frame 11 and is used for driving the geomembrane roll to rotate so as to wind the superfluous geomembrane on the ground onto the geomembrane roll.

Referring to fig. 2 and 3, the unreeling mechanism 2 includes an unreeling roller 21, two placement seats 22 and two support seats 23, the two support seats 23 are welded on two sides of the main frame 11 along the vertical direction respectively, dovetail grooves are formed on opposite surfaces of the two support seats 23, dovetail blocks are arranged on the two placement seats 22 and are correspondingly and slidably connected in the two dovetail grooves one by one, and placement grooves 221 for placing the unreeling roller 21 are formed in the placement seats 22 along the length direction of the placement seats. The diameter of the unreeling roller 21 is smaller than the inner diameter of the geomembrane roll, and the geomembrane roll is in clearance fit with the unreeling roller 21 when sleeved on the unreeling roller 21, so that the geomembrane roll can freely rotate to realize the unreeling process of the geomembrane; the unreeling roller 21 is provided with limiting plates 211 which are in threaded connection with two sides of the geomembrane roll so as to play a limiting role at two ends of the geomembrane roll. The geomembrane roll is mounted on the unreeling roll 21, the unreeling roll 21 is placed between the two placing seats 22, the bottom end of the geomembrane roll is in contact with the ground, and in the process of pulling the laying frame 1, the unreeling roll 21 applies pushing force to the geomembrane roll so that the geomembrane roll can freely rotate, and the unreeling process of the geomembrane is realized. The diameter of the geomembrane roll gradually decreases during unreeling, and the unreeling roller 21 can move along the height direction of the placing groove 221 to adapt to the change of the position of the geomembrane roll.

Referring to fig. 2, the extension frame 12 includes two vertical seats 122 and a lateral seat 123, one end of the vertical seat 122 is welded to the main frame 11, and the lateral seat 123 is welded between the two vertical seats 122 and is located at a side of the vertical seat 122 away from the main frame 11. The compressing mechanism 3 comprises a compressing electric cylinder 31 and a compressing seat 32, a cylinder barrel of the compressing electric cylinder 31 is fixedly arranged on the transverse seat 123 along the vertical direction, the compressing seat 32 is fixedly connected to a piston rod of the compressing electric cylinder 31, and the compressing seat 32 is driven to move downwards through the compressing cylinder to compress the geomembrane after spreading.

Referring to fig. 4 and 5, the flattening mechanism 4 includes a supporting beam 41 and a flattening roller 42 located under the supporting beam 41, one side of two vertical seats 122, which is close to each other, is provided with a sliding groove 1221 along the length direction of the two vertical seats, two ends of the supporting beam 41 are respectively slidably connected in the two sliding grooves 1221, a driving assembly 121 for driving the supporting beam 41 to move is arranged on the extension frame 12, two ends of the bottom of the supporting beam 41 are vertically provided with telescopic rods 43, and the flattening roller 42 is rotatably connected between the two telescopic rods 43. The telescopic rod 43 comprises an upper supporting rod 431 and a lower supporting rod 432, the top end of the upper supporting rod 431 is welded on the supporting beam 41, the bottom end of the upper supporting rod 431 is provided with a mounting groove, the lower supporting rod 432 is slidably connected in the mounting groove, a supporting spring 433 is connected between the lower supporting rod 432 and the bottom wall of the mounting groove, and two ends of the flattening roller 42 are respectively and rotatably connected to the bottom ends of the two lower supporting rods 432. The spreading roller 42 can spread a section of geomembrane after spreading by driving the supporting beam 41 to move from one end far from the main frame 11 to one end close to the main frame 11 through the driving assembly 121. Under the action of the elasticity of the abutting springs 433, the lower support rods 432 can drive the flattening roller 42 to abut against the geomembrane, so that the geomembrane is tightly attached to the ground, and the flattening effect on the geomembrane is improved.

Referring to fig. 4, an arc groove 321 into which the flattening roller 42 is placed is formed in a surface of the compacting base 32 facing the flattening roller 42, an inclined surface 322 is formed on the compacting base 32 and located at the lower portion of the arc groove 321, and when the driving assembly 121 drives the flattening roller 42 to move in a direction approaching to the compacting base 32, the flattening roller 42 can be attached to the arc groove 321 through the inclined surface 322. After the laying process of the geomembrane is finished, the driving assembly 121 drives the flattening roller 42 to move towards the direction close to the pressing mechanism 3 and partially enter the arc-shaped groove 321, and when the pressing electric cylinder 31 drives the pressing seat 32 to move upwards, the flattening roller 42 can synchronously move upwards and leave the ground, so that the surface abrasion caused by friction between the flattening roller 42 and the ground in the process of moving the laying frame 1 on the ground is avoided.

Referring to fig. 2, the driving assembly 121 includes a driving motor 1211 and a screw 1212, the screw 1212 is rotatably connected in one of the sliding grooves 1221, the supporting beam 41 is provided with a threaded hole matched with the screw 1212 and is in threaded connection with the screw 1212, the driving motor 1211 is fixedly mounted at one end of the vertical seat 122, and an output shaft of the driving motor 1211 is fixedly connected with the screw 1212. After each time the geomembrane is rolled and unrolled for a certain length, the appointed part of the unrolled geomembrane is pressed by the pressing seat 32, and then the driving motor 1211 is started to drive the screw 1212 to rotate, namely the supporting beam 41 can be driven to move along the length direction of the extension frame 12, so that the spreading roller 42 positioned at the bottom end of the supporting beam 41 spreads the spread geomembrane.

Referring to fig. 3 and 4, two sets of traction members 6 for driving the placement base 22 to slide along the height direction of the supporting base 23 are arranged between the pressing base 32 and the placement base 22, and the two sets of traction members 6 are symmetrically arranged at two sides of the laying frame 1. The traction piece 6 comprises a traction rope 61 and a guide rod 62, the guide rod 62 is vertically arranged on the laying frame 1 and located between the supporting seat 23 and the pressing mechanism 3, the traction rope 61 is arranged on the top end of the guide rod 62 in a penetrating mode, one end of the traction rope 61 is fixedly connected to the placing seat 22, and the other end of the traction rope 61 penetrates through the transverse seat 123 and is fixedly connected to the pressing seat 32. When the pressing seat 32 presses the paved geomembrane downwards, one end of the traction rope 61 synchronously moves in the process of moving downwards along with the pressing seat 32, and under the guiding action of the guide rod 62, the other end of the traction rope 61 can drive the placing seat 22 to move upwards along the height direction of the supporting seat 23, so that the unreeling roller 21 is driven to drive the geomembrane roll to synchronously move, so that the geomembrane roll can be conveniently moved upwards to be separated from the ground, and the geomembrane roll can be conveniently rotated by the tightening mechanism 5 to roll the geomembrane with the excessive length in the unreeling process onto the geomembrane roll.

Referring to fig. 4, the tightening mechanism 5 includes a tightening cylinder 51, a tightening rope 52, a tightening frame 53, and a pressing seat 54, a cylinder barrel of the tightening cylinder 51 is fixedly mounted on the main frame 11, a piston rod of the tightening cylinder 51 is provided with a driving block 511, the tightening frame 53 is rotatably mounted on the placement seat 22 and is located at the bottom of the placement groove 221, the pressing seat 54 is welded on one side of the tightening frame 53 facing the center position of the unreeling roller 21 in the length direction, one end of the tightening rope 52 is fixedly connected to the tightening frame 53, and the other end is fixedly connected to the driving block 511. When the tightening electric cylinder 51 is started to drive the driving block 511 to vertically move upwards, the driving block 511 can apply tension to the tightening frame 53 through the tightening rope 52 to enable the tightening frame 53 to rotate, the pressing seat 54 can synchronously move in the rotation process of the tightening frame 53, and when the pressing seat 54 abuts against the end face of the geomembrane roll, the movement of the pressing seat 54 can drive the geomembrane roll to rotate so as to achieve the winding process of the redundant geomembrane.

Referring to fig. 4 and 6, a placement block 222 is slidably mounted in the placement groove 221, an end of the unreeling roller 21 is placed in the placement block 222, a support shaft 223 is welded at one end of the placement block 222 far away from the unreeling roller 21, one end of the support shaft 223 extends out of the placement seat 22, the support shaft 223 and the unreeling roller 21 are coaxially arranged, a rotating disc 531 is arranged at one side of the tightening frame 53 far away from the center position of the length direction of the unreeling roller 21, and the rotating disc 531 is movably sleeved at one end of the support shaft 223 located out of the placement seat 22. Along with the unreeling process, the position of the unreeling roller 21 changes along with the diameter of the geomembrane roll, and the support shaft 223 and the unreeling roller 21 are coaxially arranged to ensure that the support shaft 53 can rotate in the process of supporting and pressing the moving track of the seat 54 to adapt to the position of the end face of the geomembrane roll, so that the support and pressing seat 54 can smoothly drive the geomembrane roll to rotate.

Referring to fig. 6, a spring piece 5311 for driving the rotating disk 531 to move away from the placement block 222 is connected between the rotating disk 531 and the placement block 222; the rotating disc 531 is a conical disc, and the diameter of the end of the rotating disc 531 near the supporting seat 23 is larger than the diameter of the end of the rotating disc 531 far away from the supporting seat 23. The bottom welding of body frame 11 has toggle seat 111, toggle seat 111's bottom is equipped with arc butt face 1111, compress tightly the seat 32 and drive when placing seat 22 and remove, place seat 22 and drive and place piece 222 and unreel roller 21 synchronous motion, the synchronous in-process that upwards moves of carousel 531 under the drive of placing piece 222, arc butt face 1111 and the conical surface butt of carousel 531 and order about the carousel 531 to be close to the direction removal of supporting seat 23, thereby press the seat 54 to press the terminal surface at the geomembrane volume, can drive the geomembrane volume and take place the rotation when pressing the seat 54 and moving along with tightening frame 53. When the pressing seat 32 moves downwards to an initial state, the spring piece 5311 drives the rotating disc 531 to move away from the placing block 222, and the rotating disc 531 drives the pressing seat 54 to synchronously move away from the geomembrane roll through the tightening frame 53 and not to contact with the end face of the geomembrane roll, so that the geomembrane roll can continuously unreel the geomembrane.

Referring to fig. 7, a cleaning mechanism 7 for cleaning broken stone is arranged at the bottom of one side of the main frame 11 far away from the extension frame 12, the cleaning mechanism 7 comprises a box 71 and a bucket 72 rotatably arranged on the box 71, a torsion spring 73 for driving the bucket 72 to be propped against the ground is connected between the box 71 and the bucket 72, a pulling piece 74 for driving the bucket 72 to turn upwards is connected between the bucket 72 and the tightening cylinder 51, a through hole 711 is formed in the box 71, and broken stone cleaned from the road surface can be led into the box 71 through the through hole 711 when the bucket 72 is driven to turn upwards by the pulling piece 74.

Referring to fig. 7 and 8, the pulling member 74 includes a pulling rope 741, a support rod 742 and a support plate 743, the bucket 72 is provided with a driven rod 721, one end of the pulling rope 741 is fixedly connected to the driven rod 721, the other end is provided with a hook 744, the driving block 511 is provided with a hanging ring 512 for hanging the hook 744, the support rod 742 is welded on the box 71, the support plate 743 is welded on the main frame 11, and the support rod 742 and the support plate 743 are provided with through holes for the pulling rope 741 to pass through. When the hanging hook 744 is hung on the hanging ring 512 and the piston rod of the tightening cylinder 51 drives the driving block 511 to move upwards, the pulling rope 741 can apply a pulling force to the driven rod 721 to rotate the bucket 72, so that the collected crushed stone is poured into the box 71.

Referring to fig. 8, the bucket 72 is provided with a closing member 75 for closing the bottom opening, the closing member 75 includes a closing shaft 751 and a closing plate 752, the closing shaft 751 is rotatably connected in the bucket 72 and located right above the bottom opening of the bucket 72, the closing plate 752 includes a rigid section 7521 and a flexible section 7522, the rigid section 7521 is fixedly connected to the closing shaft 751 through a connecting rod 753, and the flexible section 7522 is arc-shaped and located on a side of the rigid section 7521 away from the closing shaft 751. Before the bucket 72 needs to be turned up, the sealing plate 752 is pressed into the opening position at the bottom of the bucket 72, broken stone remained near the outside of the bucket 72 can be pushed into the bucket 72 by the flexible section 7522 in the pressing process, and the opening at the bottom of the bucket 72 is sealed by the sealing plate 752 after pressing, so that the broken stone is prevented from being spilled in the process of being led into the box 71.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A geomembrane laying device, characterized in that: comprises a laying frame (1), an unreeling mechanism (2), a compacting mechanism (3), a flattening mechanism (4) and a tightening mechanism (5);

the laying frame (1) comprises a main frame (11) and an extension frame (12), rollers (13) are arranged at the bottoms of the main frame (11) and the extension frame (12), and a pulling handle (14) is arranged at one side, far away from the extension frame (12), of the main frame (11);

The unreeling mechanism (2) comprises an unreeling roller (21), two placing seats (22) and two supporting seats (23), wherein the two supporting seats (23) are respectively fixedly arranged on two sides of the main frame (11), the two placing seats (22) are arranged on one side, close to each other, of the two supporting seats (23) in a one-to-one correspondence manner, a placing groove (221) is formed in the placing seat (22) along the length direction of the placing seat, the diameter of the unreeling roller (21) is smaller than the inner diameter of a geomembrane roll, limiting discs (211) are connected to the unreeling roller (21) and are arranged on two sides of the geomembrane roll in a threaded manner, and two ends of the unreeling roller (21) are respectively connected in the two placing grooves (221) in a sliding manner;

the compressing mechanism (3) comprises a compressing electric cylinder (31) and a compressing seat (32), a cylinder barrel of the compressing electric cylinder (31) is fixedly arranged at one end, far away from the main frame (11), of the extending frame (12), and the compressing seat (32) is fixedly connected to a piston rod of the compressing electric cylinder (31);

The flattening mechanism (4) comprises a supporting beam (41) and a flattening roller (42) arranged right below the supporting beam (41), the supporting beam (41) is slidably arranged on the extending frame (12) along the length direction of the extending frame (12), a driving assembly (121) for driving the supporting beam (41) to move is arranged on the extending frame (12), telescopic rods (43) are vertically arranged at two ends of the bottom of the supporting beam (41), and the flattening roller (42) is rotatably arranged between the two telescopic rods (43);

Two groups of traction pieces (6) for driving the placement seat (22) to slide along the height direction of the supporting seat (23) are arranged between the compression seat (32) and the placement seat (22), the two groups of traction pieces (6) are symmetrically arranged on two sides of the laying frame (1), the traction pieces (6) comprise traction ropes (61) and guide rods (62), the guide rods (62) are vertically arranged on the laying frame (1) and are positioned between the supporting seat (23) and the compression mechanism (3), the traction ropes (61) are arranged on the top ends of the guide rods (62) in a penetrating mode, one ends of the traction ropes (61) are fixedly connected to the placement seat (22), and the other ends of the traction ropes are fixedly connected to the compression seat (32);

Tightening mechanism (5) are including tightening up electric jar (51), tightening up rope (52), tightening up frame (53) and supporting and pressing seat (54), the cylinder of tightening up electric jar (51) is fixed to be set up on body frame (11), be provided with driving piece (511) on tightening up the piston rod of electric jar (51), tightening up frame (53) rotation and setting up on placing seat (22) and be located the bottom of standing groove (221), support and press seat (54) fixed setting up in tightening up one side of frame (53) towards unreeling roller (21) length direction central point, one end fixed connection of tightening up rope (52) is on tightening up frame (53), the other end fixed connection is on driving piece (511).

2. The geomembrane laying apparatus according to claim 1, wherein: the utility model discloses a reel, including holding tank (221), holding frame (53) and holding frame (21) are provided with holding block (222), holding block (222) are kept away from the one end of holding roller (21) and are provided with back shaft (223), the one end of back shaft (223) extends to outside holding seat (22), back shaft (223) and holding roller (21) coaxial line set up, one side that holding frame (53) kept away from holding roller (21) length direction central point put is provided with rolling disc (531), rolling disc (531) movable sleeve is established in one end that back shaft (223) are located outside holding seat (22).

3. The geomembrane laying apparatus according to claim 2, wherein: a spring piece (5311) for driving the rotating disc (531) to move away from the placing block (222) is connected between the rotating disc (531) and the placing block (222); the rotating disc (531) is a conical disc, and the diameter of one end of the rotating disc (531) close to the supporting seat (23) is larger than the diameter of one end of the rotating disc (531) far away from the supporting seat (23); the bottom of body frame (11) is fixed to be provided with and is stirred seat (111), stir the bottom of seat (111) and be provided with arc butt face (1111), when rotor (531) upwards move, arc butt face (1111) and the conical surface butt of rotor (531) and order about rotor (531) to move to the direction that is close to supporting seat (23) to make to press seat (54) to support the terminal surface at the geomembrane roll.

4. The geomembrane laying apparatus according to claim 1, wherein: the extension frame (12) comprises two vertical seats (122) and a transverse seat (123) arranged between the two vertical seats (122), one end of each vertical seat (122) is fixedly connected to the main frame (11), the transverse seat (123) is positioned on one side, far away from the main frame (11), of each vertical seat (122), sliding grooves (1221) are formed in the surfaces, close to each other, of the two vertical seats (122) along the length direction of the two sliding grooves (1221), and two ends of the supporting beam (41) are respectively and slidably connected into the two sliding grooves (1221); the driving assembly (121) comprises a driving motor (1211) and a screw rod (1212), the screw rod (1212) is rotationally connected in one of the sliding grooves (1221), a threaded hole matched with the screw rod (1212) is formed in the supporting beam (41) and is in threaded connection with the screw rod (1212), the driving motor (1211) is fixedly arranged at one end of the vertical seat (122), and an output shaft of the driving motor (1211) is fixedly connected with the screw rod (1212).

5. The geomembrane laying apparatus according to claim 1, wherein: the telescopic rod (43) comprises an upper supporting rod (431) and a lower supporting rod (432), the top end of the upper supporting rod (431) is fixedly arranged on the supporting beam (41), a mounting groove is formed in the bottom end of the upper supporting rod (431), the lower supporting rod (432) is slidably connected in the mounting groove, a tight supporting spring (433) is connected between the lower supporting rod (432) and the bottom wall of the mounting groove, and the two ends of the flattening roller (42) are respectively connected to the bottom ends of the two lower supporting rods (432) in a rotating mode.

6. The geomembrane laying apparatus of claim 5, wherein: the utility model discloses a stand, including stand (32) and stand (42), stand (32) are equipped with arc recess (321) that supply stand (42) to put into towards the one side of stand (42), stand (32) are pressed and are located the lower part of arc recess (321) and are provided with inclined plane (322), when drive assembly (121) drive stand (42) to being close to the direction of stand (32) removal of pressing, stand (42) can be through inclined plane (322) and laminate mutually with arc recess (321).

7. The geomembrane laying apparatus according to claim 1, wherein: the utility model provides a main frame (11) is kept away from the bottom of extension frame (12) one side and is provided with clear away mechanism (7) that are used for cleaing away the rubble, clear away mechanism (7) including box (71) and rotation setting scraper bowl (72) on box (71), be connected with between box (71) and scraper bowl (72) and be used for driving scraper bowl (72) to support torsion spring (73) of pressing subaerial, be connected with between scraper bowl (72) and tightening cylinder (51) and be used for driving scraper bowl (72) pulling member (74) of upset upwards, opening (711) have been seted up on box (71), scraper bowl (72) can be with the rubble of clearing away from the road surface through opening (711) leading-in box (71) when upwards overturning.

8. The geomembrane laying apparatus of claim 7, wherein: be provided with on scraper bowl (72) and be used for sealing bottom open-ended closure piece (75), closure piece (75) include closure axle (751) and closure plate (752), closure axle (751) rotate set up in scraper bowl (72) and lie in scraper bowl (72) bottom open-ended directly over, closure plate (752) include rigid section (7521) and flexible section (7522), rigid section (7521) pass through connecting rod (753) fixed connection on closure axle (751), flexible section (7522) are the arc and lie in rigid section (7521) and keep away from the one side of closure axle (751).

9. The geomembrane laying apparatus of claim 7, wherein: the pulling piece (74) comprises a pulling rope (741), a supporting rod (742) and a supporting plate (743), a driven rod (721) is arranged on the bucket (72), one end of the pulling rope (741) is fixedly arranged on the driven rod (721), a hook (744) is arranged at the other end of the pulling rope, a hanging ring (512) for hanging the hook (744) is arranged on the driving block (511), the supporting rod (742) is fixedly arranged on the box body (71), the supporting plate (743) is fixedly arranged on the main frame (11), and through holes for the pulling rope (741) to pass are formed in the supporting rod (742) and the supporting plate (743).