CN209721121U - A kind of wound membrane storage cloth holder of geomembrane - Google Patents

Abstract

The utility model relates to the technical field of geomembrane production equipment, in particular to a roll film storage rack for geomembrane. The roll film storage frame of the geomembrane includes a support frame and at least one winding portion arranged on the support frame, the winding portion is used to support the geomembrane and allow the geomembrane to bypass, and the winding portion is opposite to It can be adjusted in the height direction of the support frame. The roll film storage cloth of the geomembrane is erected between the extruder and the cutting table, and the geomembrane is wound and supported by the support rod on the roll film storage rack. On the one hand, it effectively solves the problem of the large distance between the extruder and the cutting machine. On the other hand, it avoids the problem of uneven cutting of the geomembrane due to low tension when the geomembrane is directly transported to the cutting table for cutting.

Description

A roll film storage rack for geomembrane

technical field

The utility model relates to the technical field of geomembrane production equipment, in particular to a roll film storage rack for geomembrane.

Background technique

After the geomembrane is extruded by the extruder, it needs to be cut and cut when it is rolled into a roll. Since there is a certain distance between the extruder and the cutting table, under the influence of a certain extrusion speed, the geomembrane is easy to accumulate and cut. Between the table and the extruder, the tension of the geomembrane will be small, and the cutting will be uneven when cutting on the cutting table, which will bring great difficulties to the cutting work.

At present, a column is generally installed before the cutting table and the extruder, and a support rod is fixed on the column to support the geomembrane, but this method has the following disadvantages: (1) The height of the support rod is fixed, and the extrusion speed of the extruder When it is faster, the geomembrane is still easy to accumulate, dragged on the ground, which affects the cleanliness of the geomembrane surface; (2) the support rod is fixed, and the geomembrane is constantly rubbed against the support rod during the winding process, which affects the quality of the geomembrane; (3) Due to the poor supporting effect of the geomembrane, the surface tension of the geomembrane is small when cutting, and the cutting is not smooth.

Utility model content

In order to make up for the deficiencies of the prior art, the utility model provides a geomembrane roll cloth storage rack, which solves the problems existing in the prior art.

The utility model is achieved through the following technical solutions:

A roll film storage rack for geomembrane, comprising a support frame and at least one winding portion arranged on the support frame, the winding portion is used to support the geomembrane and allow the geomembrane to bypass, the winding portion The part is adjustable relative to the height direction of the support frame.

The winding part includes a support rod, and the support rod is driven by the lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism includes a cylinder driving mechanism, a hydraulic driving mechanism or a lead screw lifting mechanism arranged on the supporting frame; the supporting rod is driven by the lifting mechanism to move up and down along the supporting frame.

The cylinder driving mechanism includes a cylinder arranged above and/or below the support frame, and the piston rod of the cylinder is connected with the end of the support rod through a connecting piece.

The hydraulic drive mechanism includes a hydraulic cylinder arranged above and/or below the support frame, and the piston rod of the hydraulic cylinder is connected with the end of the support rod through a connecting piece.

On the support frame, the chute corresponding to the two ends of the support rod is arranged, and a slide block is slid in the chute, and the support rod is connected to the slide block in rotation; between the slide block and the piston rod of the air cylinder or the piston of the hydraulic cylinder The connecting pieces are connected between the rods, and the slider is driven by the air cylinder or the hydraulic cylinder to drive the support rod to move up and down along the support frame in the chute.

The connecting piece is a connecting rod.

The support rod is fixedly connected with the slide block, and a sleeve or sleeve is movably sleeved on the outside of the support rod.

Described leading screw lifting mechanism comprises the leading screw that is located on the support frame, and described leading screw is driven by the motor that is located at the top of support frame, and lead screw nut is provided on the leading screw, and the end of leading screw nut and support bar is fixed. Even, a sleeve or casing is movably sleeved on the outside of the support rod.

The quantity of the said screw is two, and the two ends of the supporting rod are arranged corresponding to the two leading screws; A slide bar is arranged on the support frame, and a driven slide block is slidably sleeved on the outside of the slide bar, and the driven slide ring is fixedly connected with the other end of the support bar.

The lead screw lifting mechanism includes a lead screw arranged on the support frame, on which a lead screw nut is arranged, and the lead screw nut is fixedly connected with the end of the support rod; Agency driven.

The gear mechanism includes a first gear and a second gear meshed with the first gear, the second gear is fixedly sleeved on the top of the lead screw, and the first gear is driven to rotate by a driving motor.

The number of the support rods is two or more, and the support rods are arranged sequentially on the support frame along the conveying direction of the geotextile; the heights of the support rods are different.

The lead screw lifting mechanism includes a lead screw arranged on the support frame, a lead screw nut is provided on the lead screw, a first bevel gear is fixedly sleeved at the bottom end of the lead screw, and a second bevel gear meshed with the first bevel gear The two bevel gears are driven by a drive motor located at the bottom of the support frame.

The top of the support frame is also provided with a vertical expansion plate, and the bottom end of the vertical expansion plate is fixedly connected with a horizontal rubber plate, and the rubber plate is connected with the geomembrane wound on the support rod under the action of the vertical expansion plate. touch.

The beneficial effects of the utility model:

The roll film storage frame of the geomembrane is set between the extruder and the cutting table for rolling and supporting the geomembrane, which can ensure that the geomembrane before cutting can be cut at different base speeds in a reasonable manner. Adjust the support height and strength to avoid accumulation of geomembrane before cutting, ensure the cleanliness and flatness of geomembrane, and increase the tension during cutting. Through the setting of the lifting mechanism, the support height of the geomembrane can be adjusted flexibly, saving time and effort. Since the height is set on the support frame, the actual height of the adjustment can be clearly grasped according to the actual situation, which is beneficial to the follow-up extruded geomembrane winding. refer to. By arranging support rods corresponding to the front and back but adjustable in height along the conveying direction of the geomembrane, the support and winding of the geomembrane can still be satisfied when the extrusion speed is relatively fast. The structure design of the geomembrane roll film storage rack is scientific, reasonable, economical and practical.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is a schematic diagram of the left view of Fig. 1;

Fig. 3 is the structural representation of the utility model embodiment 2;

Fig. 4 is the structural representation of the utility model embodiment 3;

Fig. 5 is a schematic diagram of the top view of Fig. 4;

Fig. 6 is the structural representation of the utility model embodiment 4;

Fig. 7 is the structural representation of the utility model embodiment 5;

Fig. 8 is a schematic structural view of Embodiment 6 of the present utility model;

Fig. 9 is a schematic structural view of Embodiment 7 of the present utility model;

Fig. 10 is a schematic diagram of the side view of Fig. 9;

Fig. 11 is a side view structural schematic diagram of Embodiment 8 of the utility model;

Fig. 12 is a side view structural schematic diagram of Embodiment 9 of the present utility model;

Fig. 13 is a schematic structural view of Embodiment 10 of the present utility model.

In the figure, 1 supporting frame, 2 supporting rod, 3 hydraulic cylinder, 4 connecting piece, 5 chute, 6 sliding block, 7 cylinder, 8 circular column, 9 driven sliding block, 10 bushing, 11 lead screw, 12 Motor, 13 lead screw nut, 14 slide rod, 15 first gear, 16 second gear, 17 driving motor, 18 first bevel gear, 19 second bevel gear, 20 gear box, 21 bracket, 22 vertical expansion plate, 23 rubber sheets.

Detailed ways

In order to clearly illustrate the technical features of this solution, the utility model will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1-2, the roll film storage frame of the geomembrane includes a support frame and a winding portion arranged on the support frame 1, and the winding portion is used to support the geomembrane and for the geomembrane to be wound. However, the winding portion can be adjusted relative to the height direction of the support frame.

The winding part includes a support rod 2, which is driven by a lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism includes a cylinder drive mechanism or a hydraulic drive mechanism arranged on the support frame 1; the support rod 2 moves up and down along the support frame 1 by being driven by the cylinder drive mechanism or hydraulic drive mechanism. In this embodiment, a hydraulic drive mechanism is selected for introduction.

The hydraulic drive mechanism includes two hydraulic cylinders 3 arranged above or below the support frame, and the two hydraulic cylinders are driven to work simultaneously through external control; the piston rod of the hydraulic cylinder is connected to the end of the support rod through the connecting piece 4 .

The chute 5 that corresponds to the two ends of the support rod on the support frame 1 is provided with a slide block 6 in the chute, and the support rod is connected to the slide block in rotation; between the slide block 6 and the piston rod of the hydraulic cylinder The connecting piece is connected between them, and the connecting piece is a connecting rod; the slider 6 slides in the chute 5 under the drive of the hydraulic cylinder and drives the support rod 2 to move up and down along the support frame.

A bearing can be arranged in the middle part of the slider, and the two ends of the support rod are rotatably supported on the slider 6 through the bearings.

When in use, according to the extrusion speed and the distance between the extruder and the cutting table, determine the optimal height position of the support rod 2, and then adjust it, specifically: start the hydraulic cylinder 3, and the piston rods of the two hydraulic cylinders will stretch out at the same time , the piston rod pushes the slider 6 to slide down the chute 5 to the required scale position through the connecting piece 4-connecting rod, and closes the hydraulic cylinder to work. At this time, because of the supporting winding effect of the geomembrane at this height, the geomembrane can realize Good tension ensures smooth cutting. When the geomembrane bypasses on the support rod, because the support rod is rotatably supported on the slide block 6, it can rotate together with the geomembrane to avoid damage to the back of the geomembrane due to friction.

Example 2

As shown in Figure 3, the structure of the roll film storage frame of the geomembrane is the same as the roll film storage frame of the geomembrane of embodiment 1, the difference is that the support rod 2 is fixedly connected with the slide block, and moves outside the support rod A sleeve or casing 10 is sleeved so that the sleeve or casing 10 can rotate with the geomembrane when the geomembrane bypasses along the support rod.

The operation of adjusting the height of the support bar of the geomembrane film storage rack is the same as the height adjustment method of the support bar in Embodiment 1, and will not be described in detail.

Example 3

As shown in Figures 4 and 5, the roll film storage frame of the geomembrane includes a support frame 1 and a winding portion arranged on the support frame, and the winding portion is used to support the geomembrane and supply the geomembrane Bypassing, the winding portion is adjustable relative to the height direction of the support frame.

The winding part includes a support rod 2, which is driven by a lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism includes a cylinder driving mechanism or a hydraulic driving mechanism arranged on the supporting frame; the supporting rod is driven by the lifting mechanism to move up and down along the supporting frame. This embodiment is introduced by taking the cylinder driving mechanism as an example.

The cylinder driving mechanism includes a cylinder 7 arranged above or below the support frame, and the piston rod of the cylinder is connected with the end of the support rod 2 through the connecting piece 4 .

A chute 5 is set on the support frame 1 corresponding to one end of the support rod, and a slide block 6 is slid in the chute, and the support rod is connected to the slide block in rotation; it is connected between the slide block and the piston rod of the cylinder The connector, the connector is a vertical connecting rod located above the slider; a circular column 8 is arranged on the support frame 1 opposite to the other end of the support rod, and the circular column is correspondingly arranged with the slider. A driven slider 9 is slidingly sleeved on the outer side of the circular column; while the cylinder drives the slider to drive the support bar to move up and down along the support frame in the chute, the driven slider 9 moves up and down along the circular column 8, Thereby the horizontal up and down movement of the support bar is completed.

When in use, according to the extrusion speed and the distance between the extruder and the cutting table, determine the optimal height position of the support rod 2, and then adjust it, specifically: start the cylinder 7, the piston rod of the cylinder pushes the vertical connecting rod and then Push the slide block 6 to slide down to a suitable height along the chute 5, and now the driven slide block fixedly connected to the other end of the support rod also slides down to the corresponding height along the circular column, and then the cylinder can be stopped. At this time, due to the support and winding effect of the geomembrane at this height, the geomembrane can achieve good tension and ensure smooth cutting. When the geomembrane bypasses on the support rod, because the support rod is rotatably supported on the slide block 6, it can rotate together with the geomembrane to avoid damage to the back of the geomembrane due to friction.

Example 4

As shown in Figure 6, the roll film storage frame of the geomembrane includes a support frame 1 and a winding portion arranged on the support frame, the winding portion is used to support the geomembrane and allow the geomembrane to bypass, The winding portion is adjustable relative to the height direction of the support frame.

The winding part includes a support rod 2, which is driven by a lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism is a screw lifting mechanism; the support rod is driven by the lifting mechanism to move up and down along the support frame.

Described leading screw elevating mechanism comprises the leading screw 11 that is located on the support frame, and described leading screw is driven through the motor 12 that is located at the support frame top, is provided with leading screw nut 13 on the leading screw, and the leading screw nut and support bar The ends are fixedly connected; a sleeve or casing 10 is movably sleeved on the outside of the support rod.

The quantity of described leading screw 11 is two, and the two ends of two leading screw corresponding support bars are arranged;

When in use, according to the extrusion speed and the distance between the extruder and the cutting table, determine the optimal height position of the support rod 2, and then adjust it, specifically: start the two motors 12 at the same time, and the motor drives the screw to rotate. Rotate and drive the screw nut 13 on it to rise or fall along the screw, and then drive the support rod 2 to move to a suitable height, and stop the motor 12 to work. At this time, due to the support and winding effect of the geomembrane at this height, the geomembrane can achieve good tension and ensure smooth cutting. When the geomembrane is bypassed on the support rod, because the casing 10 can rotate together with the geomembrane, avoiding damage to the back of the geomembrane due to friction.

Example 5

As shown in Figure 7, the structure of the film storage frame of the geomembrane is the same as the structure of the film storage frame of the geomembrane of embodiment 4, the difference is that the quantity of the lead screw 11 is one, and the number of the support rod 2 is one. One end is fixedly connected with the lead screw nut 13, and a slide bar 14 is arranged on the supporting frame corresponding to the other end of the support bar, and a driven slide block 9 is slidably sleeved on the outside of the slide bar, and the driven slip ring 9 and the support bar The other end is fixed. This structure can satisfy when motor 12 drives leading screw 11 to rotate, and leading screw nut 13 drives support bar to move up or down, and the driven slide block 9 of the other end of support bar also moves up or down along slide bar 14 this moment.

Example 6

As shown in Figure 8, the roll film storage frame of the geomembrane includes a support frame 1 and a winding portion arranged on the support frame, the winding portion is used to support the geomembrane and allow the geomembrane to bypass, The winding portion is adjustable relative to the height direction of the support frame.

The winding part includes a support rod 2, which is driven by a lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism is a screw lifting mechanism; the support rod is driven by the lifting mechanism to move up and down along the support frame.

Described leading screw lifting mechanism comprises the leading screw 11 that is located on the support frame, is provided with leading screw nut 13 on the leading screw, and the end of leading screw nut and support bar is fixedly connected; Described leading screw is arranged on the support frame driven by the gear mechanism.

The quantity of described leading screw is 1, is provided with a slide bar 14 on the bracing frame opposite with leading screw, slides and sets a driven slider 9 on the slide bar, one end of the supporting bar is fixedly connected with the leading screw nut, The other end of the support rod is fixedly connected with the driven slider, and a sleeve or sleeve 10 is movably sleeved on the support rod, and the gear mechanism includes a first gear 15 and a second gear 16 meshing with the first gear , the second gear is fixedly sleeved on the top of the screw, and the first gear is driven to rotate by a drive motor 17 .

Compared with the direct lead screw driving the lead screw nut up and down, this structure achieves a certain deceleration function due to the meshing of the two gears, which can be adjusted during the winding process.

During use, determine the height position of the support rod 2 according to the extrusion speed and the distance between the extruder and the cutting table, and then adjust it, specifically: start the driving motor 17, drive the screw 11 to rotate, and the rotation of the screw drives its The screw nut 13 on the top and the support rod 2 rise or fall along the lead screw. At the same time, the driven slider 9 at the other end of the support rod rises or falls along the slide rod 14. When the support rod 2 moves to a suitable height, stop driving Motor 17 works. At this time, due to the support and winding effect of the geomembrane at this height, the geomembrane can achieve good tension and ensure smooth cutting. When the geomembrane is bypassed on the support rod, because the casing 10 can rotate together with the geomembrane, avoiding damage to the back of the geomembrane due to friction. If during the winding process of the geomembrane, the extruding speed is increased and the extrusion volume of the geomembrane is large, the driving motor 17 can be started continuously to adjust the conveying side. At this time, the height adjustment has a certain deceleration because of the meshing effect of the two gears. Function, will not affect the geomembrane in transportation. This structure is more flexible and convenient than determining the height first and then transporting after adjustment.

Example 7

As shown in Figures 9 and 10, the roll film storage frame of the geomembrane includes a support frame 1 and a winding portion arranged on the support frame, and the winding portion is used to support the geomembrane and for the geomembrane to be wound. However, the winding portion can be adjusted relative to the height direction of the support frame.

The winding part includes a support rod 2, which is driven by a lifting mechanism to move up and down along the support frame; scales are set on the vertical rod of the support frame.

The lifting mechanism is a screw lifting mechanism; the support rod is driven by the lifting mechanism to move up and down along the support frame.

Described leading screw elevating mechanism comprises the leading screw 11 that is located on the supporting frame, is provided with leading screw nut 13 on the leading screw, and leading screw nut is connected with an end of support bar 2, is set on the supporting frame opposite with leading screw. There is a slide bar 14 on which a driven slide block 9 is slidably sleeved, the other end of the support bar is fixedly connected with the driven slide block, and a casing 10 is movably sleeved outside the support bar; A first bevel gear 18 is fixedly sleeved, and a second bevel gear 19 meshed with the first bevel gear is driven by a drive motor 17 located at the bottom end of the support frame. The first bevel gear, the second bevel gear and the leading screw The bottoms are all set in a gear box 20 .

During use, determine the optimal height position of the support rod 2 according to the extrusion speed and the distance between the extruder and the cutting table, and then adjust it, specifically: start the drive motor 17, and the drive motor drives the first bevel gear 18 to rotate , the second bevel gear meshed with the first bevel gear reversely rotates and drives the lead screw to rotate, the lead screw nut realizes driving the support rod 2 to rise or fall, at the same time, the driven slider 9 at the other end of the support rod moves along the slide rod 14 rise or fall, until suitable height, stop drive motor 17 work.

When the leading screws are two oppositely arranged, the two drive motors 17 start and close simultaneously to ensure the normal rise and fall of the support rod 2 .

Example 8

As shown in Figure 11, the structure of the roll film storage rack of the geomembrane is the same as that of the geomembrane roll storage rack of Embodiment 7, the difference is that the number of support rods 2 is two, and the support rods are arranged along the geomembrane The cloth conveying direction is arranged on the front and rear of the support frame, and there are also two elevating mechanisms for driving the support rod 2 to move up and down.

Due to the setting of two support rods, when the extrusion speed is fast and the stretching length of the geomembrane is long, the temporary storage can be realized through the support and winding effect of the two support rods at different heights, and it is difficult to eliminate the accumulation of the geomembrane when only one support rod is supported. Or the problem of mopping the floor. Through the adjustment of the lifting mechanism on each support rod, the two support rods can be adjusted to different heights, so that the geomembrane will be wound in an S shape when passing through the two support rods, increasing the winding formation and ensuring the smooth subsequent cutting work.

Example 9

As shown in Figure 12, the structure of the roll film storage rack of the geomembrane is the same as the roll film storage rack of the geomembrane in Embodiment 3, the difference is that the number of support rods 2 is two, and the support rods are arranged along the geomembrane The direction of cloth conveying is set on the front and back of the support frame, and there are also two hydraulic cylinder drive mechanisms for driving the support rod 2 to move up and down. The control realizes the different setting of the heights of the two support rods; when the hydraulic cylinder is set at the bottom of the support frame, the bottom of the chute on it is higher than the height of the piston rod of the hydraulic cylinder after shrinking. The simultaneous regulation of different heights of the two support rods is guaranteed. Similarly, due to the setting of two support rods, when the extrusion speed is fast and the stretching length of the geomembrane is long, the temporary storage can be realized through the support and winding effect of the two support rods at different heights, and it is difficult to eliminate the support of only one support rod. Problems with geomembrane buildup or mopping. Through the adjustment of the lifting mechanism on each support rod, the two support rods can be adjusted to different heights, so that the geomembrane is wound in an S shape when it passes through the two support rods, the tension of the geomembrane is increased, the formation of the coil is increased, and the subsequent cutting work is guaranteed to be smooth. .

Example 10

As shown in Figure 13, with the geomembrane roll cloth storage frame of embodiment 9, the difference is that the top of the support frame above the support rod is provided with a vertical telescopic plate 22 arranged along the length direction of the support rod. The bottom end of the straight telescopic plate is fixedly connected with a rubber plate 23 arranged along the length direction of the support rod, and the rubber plate contacts or separates from the geomembrane wound on the support rod under the expansion and contraction of the vertical telescopic plate. That is, during the winding process of the geomembrane, in order to avoid the unevenness of the geomembrane, the rubber plate 23 can be used to contact the geomembrane surface and slightly press the surface of the geomembrane to form a flexible pressing effect to ensure the smoothness of the geomembrane during transportation. The vertical telescopic plate can adopt a telescopic telescopic structure, and it is necessary to adjust the height of the rubber plate according to the thickness of the geomembrane after determining the height of the support rod. The rubber plate is selected from silicone rubber, elastic rubber or other tangible soft materials.

In the above embodiments, the air cylinder 7 or the hydraulic cylinder 3 arranged above the support frame 1 can be supported and fixed on the top end of the support frame 1 through the bracket 21 .

In the above-mentioned embodiments, the number of support rods can be three or more, and the support rods are arranged on the support frame at intervals along the conveying direction of the geomembrane, and the height of each support rod is adjusted to be different, so that it can , through multiple winding support, avoid the problem of uneven cutting caused by the low tension of the geomembrane before entering the cutting table, and at the same time provide a good support for the geomembrane with a large amount of sending, avoid accumulation, and ensure the normal progress of the process .

The vertical expansion plate and the rubber plate structure of Embodiment 10 can also be arranged in other embodiments.

The above-mentioned specific implementation manners cannot be regarded as limitations on the protection scope of the present utility model. For those skilled in the art, any alternative improvements or transformations made to the embodiments of the present utility model fall within the protection scope of the present utility model.

The parts of the utility model that are not described in detail are the known techniques of those skilled in the art.

Claims (8)

1. a kind of wound membrane of geomembrane stores up cloth holder, which is characterized in that at least one including support frame and on support frame as described above Coiling portion, the coiling portion are used to support geomembrane and bypass for geomembrane, and the coiling portion is relative to support frame as described above height Direction is adjustable；The coiling portion includes a support rod, and the support rod moves above and below through elevating mechanism drives edge support frame as described above It is dynamic；Scale is equipped in the vertical bar of support frame as described above；The elevating mechanism include cylinder driving mechanism on the support frame, Hydraulic drive mechanism or screw-threaded shaft elevator structure；The support rod is moved up and down through elevating mechanism drives edge support frame；

It is additionally provided with vertical expansion plate on the top of support frame, is connected horizontally disposed rubber slab in vertical expansion plate bottom end, it is described Rubber slab contacts under the action of vertical expansion plate with geomembrane of the coiling on support rod.

2. a kind of wound membrane of geomembrane according to claim 1 stores up cloth holder, which is characterized in that the cylinder driving mechanism packet The cylinder set on support frame above and or below is included, the piston rod of cylinder is connected through connector with the end of support rod.

3. a kind of wound membrane of geomembrane according to claim 1 stores up cloth holder, which is characterized in that the hydraulic drive mechanism packet The hydraulic cylinder set on support frame above and or below is included, the piston rod of hydraulic cylinder is connected through connector with the end of support rod.

4. a kind of wound membrane of geomembrane according to claim 2 or 3 stores up cloth holder, which is characterized in that correspond on the support frame Sliding slot is arranged in the both ends of the support rod, and sliding is equipped with sliding block in sliding slot, and the support rod is rotatedly connected with sliding block；In sliding block The connector, driving of the sliding block in cylinder or hydraulic cylinder are connected between the piston rod of cylinder or the piston rod of hydraulic cylinder Under in sliding slot drive support rod moved up and down along support frame.

5. a kind of wound membrane of geomembrane according to claim 1 stores up cloth holder, which is characterized in that the screw-threaded shaft elevator structure packet The lead screw being set on support frame is included, the lead screw passes through the motor driven set on top of support frame, feed screw nut is equipped on lead screw, The end of feed screw nut and support rod is connected, and be slidingly connected sleeve or casing on the outside of support rod.

6. a kind of wound membrane of geomembrane according to claim 5 stores up cloth holder, which is characterized in that the quantity of the lead screw is two A, two lead screws correspond to the both ends setting of support rod；Or the quantity of lead screw is one, one end of support rod and feed screw nut are solid Even, a slide bar is equipped on support frame corresponding with the other end of support rod, sliding is arranged a driven sliding block on the outside of slide bar, The other end of driven slip ring and support rod is connected.

7. a kind of wound membrane of geomembrane according to claim 1 stores up cloth holder, which is characterized in that the screw-threaded shaft elevator structure packet The lead screw being set on support frame is included, feed screw nut is equipped on lead screw, the end of feed screw nut and support rod is connected；The lead screw Gear mechanism driving through being set on support frame.

8. the wound membrane of geomembrane according to claim 7 a kind of stores up cloth holder, which is characterized in that the gear mechanism includes the One gear and second gear engaged with the first gear, second gear fixing sleeve are set at the top of the lead screw, and first gear is through one Driving motor driving rotation.