CN117166508B - Geomembrane vertical falling film machine and vertical falling film method thereof - Google Patents
Geomembrane vertical falling film machine and vertical falling film method thereof Download PDFInfo
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- CN117166508B CN117166508B CN202311437339.3A CN202311437339A CN117166508B CN 117166508 B CN117166508 B CN 117166508B CN 202311437339 A CN202311437339 A CN 202311437339A CN 117166508 B CN117166508 B CN 117166508B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011552 falling film Substances 0.000 title claims description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 9
- 210000003128 head Anatomy 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 4
- 230000005347 demagnetization Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 17
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a geomembrane vertical blanking machine and a vertical blanking method thereof. The film feeding machine comprises an operation platform, a driving roller, a driven roller, a portal frame, a pulley block, a mast, an audio power head, a lifting plate, an electromagnet and a clamping mechanism; the operation platform is fixedly provided with a portal frame, pulley blocks are arranged at two ends of the first cross beam, and the pulley blocks suspend the lifting plate; the lifting plate detachably fixes the geomembrane; the second beam is vertically provided with a mast, the mast is provided with a chain, a motor, an audio power head and a clamping mechanism, the motor drives the chain to enable the audio power head to move up and down along the mast, the clamping mechanism clamps a pipe body, one end of the pipe body is connected with the audio power head, and the other end of the pipe body abuts against the lifting plate. The invention can regulate and control the power of the lower membrane in real time, master the resistance condition of the lower membrane in the tank in real time, and reduce the slurry blocking by utilizing high-frequency vibration, thereby effectively solving the problems that the prior art and equipment can not master the working condition in the lower membrane time tank, and the geomembrane water-stop connecting member is easy to be blocked and the geomembrane is easy to be damaged.
Description
Technical Field
The invention belongs to the field of environmental control and pollution control, and particularly relates to a geomembrane vertical blanking machine and a vertical blanking method thereof.
Background
Because of some problems existing in early construction, solid waste disposal sites mostly have problems or hidden dangers of bottom leakage, surrounding water and soil are exposed to huge pollution risks, and life safety and physical health of nearby residents are threatened. In order to realize rapid and effective control of pollution sources and avoid further expansion of pollution range, an underground waterproof curtain with the thickness of 60-100 cm is constructed outside the pollution range and goes deep into a waterproof layer according to engineering geology and hydrogeological conditions of sites, and the method becomes a preferable technology in the fields of underground engineering seepage prevention, especially water and soil pollution prevention.
In the above preferred technology, the vertical laying of the geomembrane is a very critical ring in the construction process of the flexible vertical impermeable wall, and many challenges still face currently. At present, slotting is needed for lower membrane construction, a narrow and deep groove is reserved, mud is reserved, and water-stop connecting members are needed to be arranged on two sides of the membrane respectively to enable the two sides of the membrane to be in butt joint with each other, so that strong friction resistance is needed to be overcome for the plug connection of the water-stop connecting members.
In the prior art, the bottom of the film is clamped by a clamping clamp, and gravity is applied to a gravity box to pull the film to the bottom of the groove, so that the method improves the depth of the lower film, but the force and balance are difficult to control, and the whole equipment is large in size, heavy in weight and difficult to move and assemble.
Also, the prior art uses roller sets to "push" the film down, which cannot be used in deeper grooves.
Moreover, the existing film unloading process and equipment cannot generally know the condition of the geomembrane in the groove, and when the geomembrane water stop connecting member is blocked or blocked, no good solution exists, and if the force is excessively applied, the membrane is easily damaged.
Therefore, it is necessary to design a geomembrane vertical blanking machine and a vertical blanking process thereof to solve the above-mentioned existing problems.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention aims to provide a geomembrane vertical falling film machine and a vertical falling film method thereof. The invention can regulate and control the power of the lower membrane in real time, master the resistance condition of the lower membrane in the tank in real time, and reduce the slurry blocking by utilizing high-frequency vibration, thereby effectively solving the problems that the prior art and equipment can not master the working condition in the lower membrane time tank, and the geomembrane water-stop connecting member is easy to be blocked and the geomembrane is easy to be damaged.
The technical scheme of the invention is as follows: a geomembrane vertical blanking machine comprises an operation platform, a driving roller, a driven roller, a portal frame, a pulley block, a lifting plate, a mast, an audio power head and a clamping mechanism; the driving roller and the driven roller are fixed on the operation platform and used for unfolding the geomembrane; the operation platform is fixedly provided with a portal frame, the portal frame comprises a first beam and a second beam which are arranged up and down, pulley blocks are arranged at two ends of the first beam, and the pulley blocks suspend two ends of the lifting plate; the lifting plate detachably fixes the geomembrane; the second beam is vertically provided with a mast, the mast is provided with a chain, a motor, the audio power head and a clamping mechanism, the motor drives the chain to enable the audio power head to move up and down along the mast, the clamping mechanism clamps a pipe body, one end of the pipe body is connected with the audio power head, and the other end of the pipe body abuts against the lifting plate.
Furthermore, the mast is provided with scales, and the audio power head is provided with a pointer.
Further, the bottom of the lifting plate is provided with an electromagnet, the electromagnet attracts angle steel below, and the bottom of the geomembrane is fixedly clamped between the angle steel and the steel plate outside the lifting plate.
Further, the lifting plate is provided with a drainage groove which penetrates up and down.
Further, a transverse moving mechanism is transversely arranged on the second cross beam, and the moving end of the transverse moving mechanism is connected with the mast. Preferably, the traversing mechanism is an electric cylinder.
Furthermore, the end part of the pipe body can be connected with the pipe body continuously, so that the whole length is prolonged.
Further, a groove is formed in the lifting plate, the groove extends along the length direction of the lifting plate, and the lower end of the pipe body abuts against the groove; lifting lugs are arranged at two ends of the lifting plate.
Further, a travelling mechanism and supporting legs are arranged below the operation platform.
The vertical film unloading method of the geofilm vertical film unloading machine, which is used for any one of the above, comprises the following steps:
s1: when the geomembrane vertical blanking machine works normally, the pipe body abuts against the lifting plate, and the lifting plate detachably fixes the geomembrane;
s2: the sound frequency power head adjusts vibration frequency according to different depths of the geomembrane to generate different vibration forces to the pipe body, the pipe body props against the lifting plate, the lifting plate drives the geomembrane to descend, and meanwhile, vibration is conducted to a water stop connecting component of the geomembrane to avoid slurry blockage, so that the geomembrane is smoothly placed downwards;
s3: when the geomembrane is arranged below the membrane, naked eyes can observe the pointer position of the audio power head to judge the resistance condition;
s4: after the geomembrane reaches the bottom of the tank, disconnecting the lifting plate from the geomembrane; and (3) disassembling the pipe body, and pulling up the lifting plate by the pulley block to finish one-time vertical falling film.
Further, the step S1: the electromagnet at the bottom of the lifting plate attracts angle steel at the bottom of the geomembrane;
the S3: when the resistance is large, namely, when the water-stop connecting members of the two geomembranes are possibly blocked, the vibration force of the audio power head is reduced to enable the water-stop connecting members to move up and down in a very small range; or transversely driving the mast to change the acting force point of the pipe body in the length direction of the lifting plate;
the S4: the electromagnet is electrified, the angle steel is not attracted by the electromagnet for demagnetization, and then the lifting plate is disconnected with the geomembrane.
The audio power head of the invention is generally provided with two hydraulic motors which respectively drive two eccentric shafts to do high-speed motion, the rotation speeds of the two eccentric shafts are the same, and the directions are opposite, so that the generated horizontal exciting forces are mutually offset, and the vertical vibrating force is obtained. The sound frequency power head gives vibration force to the round tube, the round tube props against the lifting plate, and angle steel pressed on the geomembrane on the lifting plate drives the geomembrane to be lowered to the bottom of the inserting groove.
The beneficial effects of the invention are as follows:
(1) The invention adopts the audio power head as a power source of the lower film, can adjust the vibration frequency in real time according to the depth of the lower film and the condition of the lower film to generate vibration forces with different magnitudes, and realizes the accurate control of power while meeting the power requirement of the lower film.
(2) The invention can generate ultrahigh frequency vibration based on the audio power head, and transmit the ultrahigh frequency vibration to the water stop connecting member, and keeps the action frequency of vibration load consistent with the natural frequency of slurry through resonance effect, thereby realizing slurry liquefaction, reducing friction between the water stop connecting member and the slurry, effectively solving the problem of slurry blockage and enabling the membrane to be more smooth. Meanwhile, the ultra-high frequency vibration only plays a role in the extremely small range of the water stop connecting members between the geomembranes, so that the geomembranes are prevented from swinging, and stable membrane unloading is realized.
(3) The audio power head is provided with the pointer, the mast is provided with the scale, the resistance condition of the lower film can be judged by observing the position change of the pointer, the observation is convenient, the result is visual, and the problem that the existing film-falling machine cannot judge the film-falling condition can be effectively solved.
(4) The lifting plate is provided with the electromagnet, so that the problems of fixation and unlocking of the geomembrane in the membrane unloading process are effectively simplified; in addition, the design that the drain tank was seted up to the lifter plate has greatly reduced the resistance when lifting the lifter plate.
(5) The electric cylinder is arranged on the second cross beam, and the movable end of the electric cylinder is used for fixing the mast, so that the mast can move transversely conveniently, and the length of the circular tube can be prolonged conveniently by splicing the circular tube; when the water-stopping connecting component is blocked, the acting force point of the round tube in the groove of the lifting plate can be changed, so that the round tube can move in a small range.
Drawings
Figure 1 is a side view of the geomembrane vertical blanking machine of the present invention.
Figure 2 is a front view of the geomembrane vertical blanking machine of the present invention.
Fig. 3 is a top view of the lifter plate of the geomembrane vertical blanking machine of the present invention.
Fig. 4 is an enlarged view of the connection portion of the geomembrane and the lifting plate (a partial enlarged view of portion a in fig. 1) of the geomembrane vertical blanking machine of the present invention.
Fig. 5 is an enlarged view of the audio power head pointer portion of the geomembrane vertical blanking machine of the present invention (enlarged view of portion B in fig. 1).
Wherein: 1. an operating platform; 2. geomembrane; 201. angle steel; 202. a steel plate; 203. a bolt; 3. a driving roller; 4. a driven roller; 5. A support leg; 6. a portal frame; 601. a first cross beam; 602. a second cross beam; 7. pulley block; 8. a mast; 801. a displacement indication mark; 802. a chain; 803. a motor; 9. an audio power head; 901. a pointer; 10. a lifting plate; 1001. a drainage channel; 1002. a groove; 1003. lifting lugs; 1004 a saw tooth structure; 11. an electromagnet; 12. an electric cylinder; 13. a clamping mechanism; 14. and a walking mechanism.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. 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.
Example 1:
the present embodiment provides a geomembrane vertical blanking machine, please refer to fig. 1-5.
The geomembrane vertical blanking machine of the embodiment comprises an operation platform 1, a driving roller 3, a driven roller 4, a portal frame 6, a pulley block 7, a mast 8, an audio power head 9, a lifting plate 10, an electromagnet 11, a clamping mechanism 13 and a travelling mechanism 14.
The bottom of the operation platform 1 is fixed with the supporting leg 5, and a traveling mechanism 14 is arranged below the operation platform 1, so that follow-up movement is facilitated.
As shown in fig. 1, a support of a driving roller 3 and a support of a driven roller 4 are fixed above an operation platform 1 and are matched with each other to be used for unfolding a geomembrane 2; specifically, the support of the driving roller 3 and the support of the driven roller 4 are fixed on the operation platform 1 through bolt groups. Preferably, a motor speed reducer is arranged on the roller of the support of the driving roller 3 to adjust the film feeding speed, and an inserting device is further arranged at the top of the support of the driving roller 3 and used for quickly replacing the geomembrane 2; the support of the driven roller 4 can stretch and retract and is used for flattening the geomembrane 2 and guaranteeing the perpendicularity of the geomembrane 2 when being put down.
As shown in fig. 1 and 2, the operation platform 1 is further fixed with a gantry 6, where the gantry 6 includes a first beam 601 and a second beam 602, and the first beam 601 is located above the second beam 602 and parallel to each other.
Pulley blocks 7 (upper ends of the pulley blocks 7) are mounted at both ends of the first cross beam 601, and lifting lugs 1003 of the lifting plate 10 are suspended at lower ends of the pulley blocks 7 to place the lifting plate 10 in a horizontal equilibrium state.
As for the lifter plate 10, as shown in fig. 3, the lifter plate 10 includes a plate body, lifting lugs 1003 at both ends of the body, and a groove 1002 in the middle of the body, the groove 1002 extending in the length direction of the plate body. Preferably, drainage grooves 1001 are formed on both sides of the groove 1002, and the drainage grooves 1001 penetrate the plate body of the lifting plate 10 up and down, so that resistance is greatly reduced when the lifting plate 10 is lifted.
As shown in fig. 4, the geomembrane 2 falls vertically from the driven roller 4, the bottom of the geomembrane 2 is clamped between the angle steel 201 and the steel plate 202, the angle steel 201 is of a lying T-shaped structure, the angle steel 201, the bottom of the geomembrane 2 and the steel plate 202 are fixedly pressed by bolts 203, that is, the angle steel 201, the bottom of the geomembrane 2, the steel plate 202 and the bolts 203 are fixedly integrated, and reach and are placed at the bottom of the tank. The angle steel 201 faces one side of the lifting plate 10, the electromagnet 11 is further arranged at the bottom of one side of the geomembrane 2, the electromagnet 11 is positioned at the bottom of the lifting plate 10, the angle steel 201 is attracted, and the difficulty of fixing and unlocking the geomembrane 2 is solved. Preferably, the bottom of the steel plate 202 is provided with a saw tooth structure 1004, which is convenient to be placed into the soil layer at the bottom of the tank.
The mast 8 is vertically arranged on the second beam 602, preferably, a traversing mechanism is transversely arranged on the second beam 602, the traversing mechanism is preferably an electric cylinder 12, the mast 8 is fixed at the moving end of the electric cylinder 12, the mast 8 is vertically arranged, and the electric cylinder 12 is arranged to facilitate transverse movement of the mast 8.
The mast 8 is provided with a chain 802, a motor 803, an audio power head 9 and a clamping mechanism 13, wherein the motor 803 is connected with the chain 802, the chain 802 is connected with the audio power head 9, and the motor 803 drives the chain 802 to enable the audio power head 9 to move up and down along the mast 8.
Preferably, displacement indication marks 801 (graduated scales) are uniformly arranged on the mast 8, and a pointer 901 is arranged on the audio power head 9, so that the position of the pointer 901 can be observed visually to judge the resistance condition. For example, when the film feeding operation is normal, the pointer 901 vibrates vertically at a constant amplitude, and when an abnormality occurs, the amplitude may be reduced or increased up and down, thereby prompting the constructor to adjust as soon as possible.
The clamping mechanism 13 clamps the round tube, one end of the round tube is connected with the audio power head 9, and the other end of the round tube is connected with the lifting plate 10.
Preferably, the other end of the tube abuts the middle of the groove 1002 of the lifter plate 10.
Preferably, the two ends of the round tube are connected through threads. The two ends of the round tube are provided with male and female threads, and when the length of the round tube is insufficient, the electric cylinder 12 moves the end fixing mast 8 to the side to connect the round tube.
Example 2:
the vertical film dropping method using the geofilm vertical film dropping machine of example 1 comprises the following steps:
s1: when the geomembrane vertical blanking machine works normally, the round tube is propped in the middle of the groove 1002 of the lifting plate 10, and the electromagnet 11 at the bottom of the lifting plate 10 sucks the angle steel 201 at the bottom of the geomembrane 2;
s2: the audio power head 9 adjusts the vibration frequency according to different depths of the geomembrane 2 to generate different vibration forces to the circular tube, the circular tube props against the lifting plate 10, the angle steel 201 on the lifting plate 10 and pressed on the geomembrane 2 drives the geomembrane 2 to descend, meanwhile, the vibration conduction avoids slurry blockage on a geomembrane water stop connecting member, and the geomembrane 2 is smoothly lowered.
S3: when the membrane is removed, naked eyes can observe the position of the pointer 901 of the acoustic power head 9 to judge the resistance condition, and the situation of larger resistance is encountered, namely, when the water stop connecting members of the two geomembranes 2 are possibly blocked, the mode of reducing the vibration force of the acoustic power head 9 can be adopted to enable the water stop connecting members to move up and down in a very small range, and in addition, the electric cylinder 12 can be driven to change the acting force point of the round tube in the groove 1002.
S4: after the geomembrane 2 reaches the bottom of the tank, the electromagnet 11 is electrified, the electromagnet 11 is demagnetized, the electromagnet 11 does not attract the angle steel 201 any more, the connection between the lifting plate 10 and the geomembrane 2 is disconnected, the circular tube is detached, the lifting plate 10 is pulled up by the pulley block 7, and one-time membrane unloading is successfully completed.
Preferably, male and female threads are arranged at two ends of the circular tube, and when the length of the circular tube is insufficient, the electric cylinder 12 pulls the mast 8 to the side edge of the lower film machine to connect the circular tube, so that the length of the circular tube is prolonged.
Claims (9)
1. The geomembrane vertical blanking machine is characterized by comprising an operation platform, a driving roller, a driven roller, a portal frame, a pulley block, a lifting plate, a mast, an audio power head and a clamping mechanism; the driving roller and the driven roller are fixed on the operation platform and used for unfolding the geomembrane; the operation platform is fixedly provided with a portal frame, the portal frame comprises a first beam and a second beam which are arranged up and down, pulley blocks are arranged at two ends of the first beam, and the pulley blocks suspend two ends of the lifting plate; the lifting plate detachably fixes the geomembrane; the second beam is vertically provided with a mast, the mast is provided with a chain, a motor, the audio power head and a clamping mechanism, the motor drives the chain to enable the audio power head to move up and down along the mast, the clamping mechanism clamps a pipe body, one end of the pipe body is connected with the audio power head, and the other end of the pipe body abuts against the lifting plate;
and a transverse moving mechanism is transversely arranged on the second cross beam, and the moving end of the transverse moving mechanism is connected with the mast.
2. A geomembrane vertical blanking machine as claimed in claim 1 wherein said mast is provided with graduations and said audio power head is provided with pointers.
3. The geomembrane vertical blanking machine according to claim 1, wherein an electromagnet is arranged at the bottom of the lifting plate and attracts the angle steel below the electromagnet, and the bottom of the geomembrane is fixedly clamped between the angle steel and a steel plate outside the lifting plate.
4. A geomembrane vertical blanking machine according to any of claims 1-3 wherein the lifting plate is provided with drainage channels extending up and down.
5. The geomembrane vertical blanking machine of claim 1, wherein the ends of the tubular body are adapted to receive the tubular body and extend the overall length.
6. The geomembrane vertical blanking machine according to claim 1, wherein the lifting plate is provided with a groove, the groove extends along the length direction of the lifting plate, and the lower end of the pipe body is abutted against the groove; lifting lugs are arranged at two ends of the lifting plate.
7. A geomembrane vertical blanking machine according to any of claims 1-3, wherein a travelling mechanism and support legs are provided below the operating platform.
8. A method for vertical falling film using the geomembrane vertical falling film machine of any one of claims 1-7, the method comprising:
s1: when the geomembrane vertical blanking machine works normally, the pipe body abuts against the lifting plate, and the lifting plate detachably fixes the geomembrane;
s2: the sound frequency power head adjusts vibration frequency according to different depths of the geomembrane to generate different vibration forces to the pipe body, the pipe body props against the lifting plate, the lifting plate drives the geomembrane to descend, and meanwhile, vibration is conducted to a water stop connecting component of the geomembrane to avoid slurry blockage, so that the geomembrane is smoothly placed downwards;
s3: when the geomembrane is arranged below the membrane, naked eyes can observe the pointer position of the audio power head to judge the resistance condition;
s4: after the geomembrane reaches the bottom of the tank, disconnecting the lifting plate from the geomembrane; and (3) disassembling the pipe body, and pulling up the lifting plate by the pulley block to finish one-time vertical falling film.
9. The method of claim 8, wherein S1: the electromagnet at the bottom of the lifting plate attracts angle steel at the bottom of the geomembrane;
the S3: when the resistance is large, namely, when the water-stop connecting members of the two geomembranes are possibly blocked, the vibration force of the audio power head is reduced to enable the water-stop connecting members to move up and down in a very small range; or transversely driving the mast to change the acting force point of the pipe body in the length direction of the lifting plate;
the S4: the electromagnet is electrified, the angle steel is not attracted by the electromagnet for demagnetization, and then the lifting plate is disconnected with the geomembrane.
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| CN202311437339.3A CN117166508B (en) | 2023-11-01 | 2023-11-01 | Geomembrane vertical falling film machine and vertical falling film method thereof |
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