Strip for geogrid and preparation device

By using hot melt extension and groove body sets in geogrid strips, combined with belt extruders and other equipment for continuous stretching and surface treatment, the problem of unoptimization of strip width and thickness in the prior art is solved, and the connection performance with granular roadbed materials is improved and the cost is reduced.

CN223071999UActive Publication Date: 2025-07-08SHANDONG FEICHENG LIANYI ENG PLASTICS CO LTD
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Patent Information

Application Number
CN202420896406.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-07-08
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The strips of existing geogrids are limited by the properties of the steel wire, resulting in the width and thickness that cannot be optimized, affecting the sinking connection performance with the granular roadbed material.

Method used

The hot melt extension body is used as the integrated blank. By designing the groove body group on the belt body, the width and thickness of the strip are optimized, and continuous stretching and surface treatment is used for belt extruder, cooling groove, sheet stretching roller unit and sheet traction machine to improve the connection performance.

Benefits of technology

The width and thickness of the strip are optimized, the connection performance with the granular roadbed material is enhanced, the preparation efficiency is improved, and the production cost is reduced.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

A strip for a geogrid and a preparation device, the strip comprises a strip body (10) with a groove group, through the strip body (10), polyester or polypropylene is used as a preparation blank strip body, through the groove group, a surface layer body of the strip body (10) is improved, a hot melt extension body is used as an integrated blank body, and the strip body (10) is made of a plastic material. The technical problem that the polyester or polypropylene layer body is wrapped outside the steel wire is solved, so that the width and the thickness of the strip of the geogrid are in an optimized state, and the sinking connection performance between the strip and the granular roadbed material is improved.
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Description

Technical Field

[0001] The utility model relates to a strip and a preparation device, in particular to a strip and a preparation device for a geogrid. Background Technique

[0002] Geogrids are used for subgrade reinforcement, enabling granular fillers to be interlocked with the grid to form a stable plane, preventing the fillers from sinking, and dispersing vertical loads. Geogrids are connected to each other through hot-melt friction between radial strips and weft strips. Therefore, the strips used for geogrids are an important component of geogrids. In existing geogrids, polyester or polypropylene layers are wrapped outside steel wires. Due to the stretching limitation of the internal steel wire performance, the polyester or polypropylene wrapping layer cannot be further extended and distributed, resulting in the width and thickness of the strips of the geogrids being in an optimized state, which affects the sinking connection performance between the strips and granular subgrade materials.

[0003] The utility model effectively explores and studies the technical problem of wrapping polyester or polypropylene layers outside steel wires through the technical feature of using a hot-melt extension body as a one-piece blank at the technical level.

[0004] The statements here only provide the background technique related to the utility model and do not necessarily constitute the prior art. Based on the technical disclosure provided by the applicant on March 15, 2024, which solves practical technical problems during the working process, the patent documents similar to those obtained through retrieval, and the existing technical problems, technical features, and technical effects in the background technique, the application technical solution of the present invention is made. Summary of the Invention

[0005] The object of the utility model is a strip device for a geogrid.

[0006] The object of the utility model is a strip preparation device for a geogrid.

[0007] In order to overcome the above technical drawbacks, the purpose of the utility model is to provide a strip and a preparation device for a geogrid, so that the width and thickness of the strips of the geogrid are in an optimized state, and the sinking connection performance between the strips and granular subgrade materials is improved.

[0008] To achieve the above object, the technical solution adopted by the utility model is: a strip device for a geogrid, which includes a strip body having a group of groove bodies.

[0009] Due to the design of the belt body, through the belt body, polyester or polypropylene is used as the preparation of the blank belt body. Through the groove body group, the surface layer body of the belt body is improved. The hot-melt extension body is used as the integral blank body, solving the technical problem of wrapping the polyester or polypropylene layer outside the steel wire. Therefore, the width and thickness of the strips of the geogrid are in an optimized state, improving the sinking connection performance between the strips and the granular subgrade material.

[0010] The utility model is designed to integrate the technical feature of using the hot-melt extension body as the integral blank body on the belt body.

[0011] The utility model is designed to integrate the groove body group on the belt body according to the technical feature of improving the surface layer body.

[0012] The utility model is designed that the groove body group is set to include groove body Ⅰ, groove body Ⅱ, groove body Ⅲ and groove body Ⅳ.

[0013] The technical effects of the above four technical solutions are as follows: Through the belt body, the basic technical solution of the utility model is formed, solving the technical problem of the utility model.

[0014] The utility model is designed that groove body Ⅰ is arranged on one side of one end face of the belt body, groove body Ⅱ is arranged on the other side of one end face of the belt body, groove body Ⅲ is arranged on one side of the other end face of the belt body, and groove body Ⅳ is arranged on the other side of the other end face of the belt body.

[0015] The technical effects of the above technical solutions are as follows: A double-groove body is realized on the side surface of the belt body.

[0016] The utility model is designed that the belt body is set as a polyester or polypropylene strip, and groove body Ⅰ, groove body Ⅱ, groove body Ⅲ and groove body Ⅳ are respectively set as U-shaped groove bodies.

[0017] The technical effects of the above technical solutions are as follows: The tensile performance of the belt body is increased, ensuring the uniform tensile performance of the belt body.

[0018] The utility model is designed that the ratio between the width of the belt blank body and the width of the belt body is set to 5.5 - 6.6:1, the width of the belt body is set to 8 - 12 mm, and the thickness of the belt body is set to 2 - 4 mm.

[0019] The technical effects of the above technical solutions are as follows: The minimum values of the width and thickness of the belt body are realized.

[0020] The utility model designs a strip preparation device for geogrids, which includes a strip extruder for preparing a blank strip of the strip body, a cooling tank for cooling the blank strip of the strip body, a sheet stretching roller unit for stretching the blank strip of the strip body, and a strip traction machine for traction of the strip body.

[0021] Due to the design of the strip extruder, the cooling tank, the sheet stretching roller unit and the strip traction machine, through the strip extruder, the cooling tank and the strip traction machine, the route transportation of the blank strip of the strip body is realized, and through the sheet stretching roller unit, the stretching between the rollers of the blank strip of the strip body is realized, and the stretching elongation is realized under the state of the increased-speed route transportation of the blank strip of the strip body, so the preparation efficiency of the strip device for geogrids is improved.

[0022] The utility model designs to connect the strip extruder, the cooling tank, the sheet stretching roller unit and the strip traction machine to each other in the way of stretching elongation under the state of the increased-speed route transportation of the blank strip of the strip body.

[0023] The utility model designs to connect the sheet stretching roller unit with the strip extruder, the cooling tank and the strip traction machine in the way of stretching between the rollers of the blank strip of the strip body.

[0024] The utility model designs that the sheet stretching roller unit is set to include a first sheet stretching roller machine, a second sheet stretching roller machine and a third sheet stretching roller machine.

[0025] The technical effects of the above four technical solutions are as follows: the continuous stretching of the blank strip of the strip body is realized, and the minimum thickness and width of the strip body are realized.

[0026] The utility model designs that it further includes a first accessory device and the first accessory device is arranged between the sheet stretching roller units, and the first accessory device is set as a dryer.

[0027] The utility model designs that it further includes a second accessory device and the second accessory device is arranged between the sheet stretching roller unit and the strip traction machine, and the second accessory device is set as a strip extender.

[0028] The utility model designs that it further includes a third accessory device and the third accessory device is arranged between the second accessory device and the strip traction machine, and the third accessory device is set as a strip finisher.

[0029] The technical effects of the above three technical solutions are as follows: the integrated installation of other components is realized, and the technical effects of the utility model are expanded.

[0030] The utility model is designed such that a second strip stretching roller machine is provided on the first strip stretching roller machine, a cooling tank is provided between the first strip stretching roller machine and the strip extrusion machine, a dryer is provided between the second strip stretching roller machine and the third strip stretching roller machine, a strip extending machine is provided on the third strip stretching roller machine, and a strip finishing machine is provided between the strip extending machine and the strip traction machine.

[0031] The technical effects of the above technical solution are as follows: The basic technical solution of the utility model is composed of a strip extrusion machine, a cooling tank, the first strip stretching roller machine, the second strip stretching roller machine, a dryer, the third strip stretching roller machine, a strip extending machine, a strip finishing machine, and a strip traction machine, solving the technical problems of the utility model.

[0032] The utility model is designed such that the strip extrusion machine is set as a screw extrusion machine having an extrusion die corresponding to the strip device for the geogrid, and the input port part of the strip extrusion machine is set to be correspondingly distributed with the cooling tank.

[0033] The technical effects of the above technical solution are as follows: It realizes the extrusion preparation of the blank strip of the strip with the groove body group.

[0034] The utility model is designed such that the cooling tank is set to include a tank part, a pressure rod part, a handle rod part, and a pipe part. The ends of the pressure rod part are respectively set to be rotatably connected to the upper parts of the front and rear inner walls of the tank part. The outer peripheral side of the pressure rod part is set to be connected to the inner end of the handle rod part. The left and right inner walls of the tank part are set to be connected to the vertical parts of the pipe part. The upper end of the tank part is open, and one side part is set to be correspondingly distributed with the strip extrusion machine, and the other side part of the upper end of the tank part is set to be correspondingly distributed with the first strip stretching roller machine. The tank part is set as a box-shaped body having a convex-shaped hole body on the upper parts of the front and rear inner walls, and the pressure rod part is set as a rod-shaped body having a convex-shaped end. The convex-shaped hole body of the tank part is set to be connected to the convex-shaped end of the pressure rod part, and the handle rod part is set as a strip-shaped body. The pipe part is set as a U-shaped pipe body having a through hole body on the horizontal part.

[0035] The technical effects of the above technical solution are as follows: It realizes the liquid immersion cooling of the blank strip of the strip.

[0036] The utility model designs that the strip traction machine is set to include a machine base part Ⅳ, a rotating roller part Ⅶ, a rotating roller part Ⅷ, a rotating roller part Ⅸ and a rotating roller part Ⅹ, and the inner ends of the rotating roller part Ⅶ, the rotating roller part Ⅷ, the rotating roller part Ⅸ and the rotating roller part Ⅹ are respectively set to be rotationally connected with the machine base part Ⅳ. The rotating roller part Ⅹ is set to be correspondingly distributed with the rotating roller part Ⅸ, and the inner ends of the rotating roller part Ⅶ, the rotating roller part Ⅷ and the rotating roller part Ⅸ are set to be connected with the end shaft of the driving motor through a gear set. The housing of the driving motor is set to be connected with the machine base part Ⅳ, and the rotating roller part Ⅶ is set to be correspondingly distributed with the strip sorting machine. The machine base part Ⅳ is set to be a rectangular block, and the rotating roller part Ⅶ, the rotating roller part Ⅷ, the rotating roller part Ⅸ and the rotating roller part Ⅹ are respectively set to be convex-shaped shaft bodies. The center points of the rotating roller part Ⅶ and the rotating roller part Ⅸ are respectively set on the upper horizontal transverse center line, and the center point of the rotating roller part Ⅷ is set on the lower horizontal transverse center line.

[0037] The technical effect of the above technical solution is that the roller traction and conveying of the belt body is realized.

[0038] The present utility model designs that the first strip stretching roller machine, the second strip stretching roller machine, and the third strip stretching roller machine are respectively configured to include a machine base part I, a rotating roller part I, a rotating roller part II, a rotating roller part III, a rotating roller part IV, a rotating roller part V, a rotating roller part VI, a telescopic rod part, and a frame part. The inner ends of the rotating roller part I, the rotating roller part II, the rotating roller part III, the rotating roller part IV, and the rotating roller part V are respectively configured to be rotatably connected to the machine base part I. The rotating support block located at the inner end of the rotating roller part VI is configured to be connected to one end of the telescopic rod part, and the other end of the telescopic rod part is configured to be connected to the transverse part of the frame part. The inner ends of the rotating roller part I, the rotating roller part II, the rotating roller part III, the rotating roller part IV, and the rotating roller part V are configured to be connected to the end shaft of the driving motor through a gear set, and the housing of the driving motor is configured to be connected to the machine base part I. The vertical part of the frame part is configured to be connected to the machine base part I, and the machine base part I is configured to be a rectangular block. The rotating roller part I, the rotating roller part II, the rotating roller part III, the rotating roller part IV, the rotating roller part V, and the rotating roller part VI are respectively configured to be convex-shaped shaft bodies, the telescopic rod part is configured to be an electric push rod, the frame part is configured to be a U-shaped plate body, and the centers of the rotating roller part I, the rotating roller part III, and the rotating roller part V are respectively arranged on the upper horizontal transverse center line. The centers of the rotating roller part II and the rotating roller part IV are respectively arranged on the lower horizontal transverse center line, and the rotating roller part VI located on the first strip stretching roller machine is configured to be correspondingly distributed with the rotating roller part I located on the first strip stretching roller machine. The rotating roller part VI located on the second strip stretching roller machine is configured to be correspondingly distributed with the rotating roller part III located on the second strip stretching roller machine, and the rotating roller part VI located on the third strip stretching roller machine is configured to be correspondingly distributed with the rotating roller part V located on the third strip stretching roller machine. The rotating roller part I located on the first strip stretching roller machine is configured to be correspondingly distributed with the cooling tank, and the rotating roller part V located on the first strip stretching roller machine is configured to be correspondingly distributed with the rotating roller part I located on the second strip stretching roller machine. The rotating roller part V located on the second strip stretching roller machine and the rotating roller part I located on the third strip stretching roller machine are respectively configured to be correspondingly distributed with the dryer, and the rotating roller part V located on the third strip stretching roller machine is configured to be correspondingly distributed with the strip extending machine.

[0039] The technical effects of the above technical solutions are as follows: It realizes differential stretching of the roller bodies for the blank belt of the belt body, and meets the requirements for expanding and extending the blank belt of the belt body.

[0040] The present utility model designs that the dryer is configured to be a box-type dryer, and the input port part of the dryer is configured to be correspondingly distributed with the second strip stretching roller machine, and the output port part of the dryer is configured to be correspondingly distributed with the third strip stretching roller machine.

[0041] The technical effect of the above technical solution is as follows: realizing hot air blowing and drying of the green belt of the belt body.

[0042] The utility model designs that the strip extending machine is set to include a machine base part II, a support rod part, an upper curved plate part, a lower curved plate part, a guide rod part, a spring part and an adjusting screw part. One end of the support rod part is set to be connected to the upper horizontal part of the machine base part II, and the other end of the support rod part is set to be connected to the upper end face part of the upper curved plate part. The upper end face part of the lower curved plate part is set to be correspondingly distributed with the lower end face part of the upper curved plate part. The middle part of the lower end face of the lower curved plate part is set to be connected to the upper end of the guide rod part, and the side part of the lower end face of the lower curved plate part is set to be in contact connection with the upper end of the adjusting screw part. The guide rod part is respectively set to be in through connection with the spring part and the lower horizontal part of the machine base part II. One end of the spring part is set to be in contact connection with the middle part of the lower end face of the lower curved plate part, and the other end of the spring part is set to be in contact connection with the lower horizontal part of the machine base part II. The adjusting screw part is set to be in threaded connection with the lower horizontal part of the machine base part II. One port part of the gap between the upper curved plate part and the lower curved plate part is set to be correspondingly distributed with the third strip stretching roller machine, and the other port part of the gap between the upper curved plate part and the lower curved plate part is set to be correspondingly distributed with the strip finishing machine. The machine base part II is set to be a rectangular block with a C-shaped groove body, and the support rod part is set to be a rod-shaped body. The upper curved plate part and the lower curved plate part are respectively set to be C-shaped sheet bodies, and the arc top of the upper curved plate part is set to be correspondingly distributed with the arc top of the lower curved plate part. The guide rod part is set to be a T-shaped rod-shaped body, the spring part is set to be a columnar spring, and the adjusting screw part is set to be an internal hexagonal bolt.

[0043] The technical effect of the above technical solution is as follows: realizing surface friction cleaning of the green belt of the belt body.

[0044] The present utility model designs that the strip sorting machine is configured to include a machine base part III, an upper cross plate part, an intermediate cross plate part, a lower cross plate part, a side rotating shaft I, a side rotating shaft II, a lower output shaft part, an upper output shaft part and a brush shaft part. The upper end part of one side surface of the machine base part III is arranged to be connected to the inner end surface part of the upper cross plate part. The middle part of one side surface of the machine base part III is arranged to be connected to the inner end surface part of the intermediate cross plate part. And the lower part of one side surface of the machine base part III is arranged to be connected to the inner end surface part of the lower cross plate part. The inner end of the side rotating shaft I, the inner end of the side rotating shaft II, the inner end of the lower output shaft part, the inner end of the upper output shaft part and the inner end of the brush shaft part are respectively arranged to be rotationally connected to the machine base part III. And one end of the gap between the upper cross plate part, the intermediate cross plate part and the lower cross plate part is provided with the side rotating shaft I. The other end of the gap between the upper cross plate part, the intermediate cross plate part and the lower cross plate part is respectively provided with the side rotating shaft II, the lower output shaft part, the upper output shaft part and the brush shaft part. And the side rotating shaft I is arranged to be correspondingly distributed with the strip extending machine. The upper output shaft part is arranged to be correspondingly distributed with the strip traction machine. And the machine base part III is arranged as a rectangular block. The upper cross plate part and the intermediate cross plate part are respectively arranged as rectangular strips. And the lower cross plate part is arranged as a rectangular strip with a groove body on the upper end surface part. The side rotating shaft I, the side rotating shaft II, the lower output shaft part and the upper output shaft part are respectively arranged as convex-shaped rod bodies with annular groove bodies corresponding to a belt body, a groove body I, a groove body II, a groove body III and a groove body IV on the peripheral side surface part. And the brush shaft part is arranged as a convex-shaped rod body with plush threads on the peripheral side surface part. Two of the shaft bodies of the side rotating shaft I are arranged at one end of the gap between the upper cross plate part and the intermediate cross plate part. And the other two shaft bodies of the side rotating shaft I are arranged at one end of the gap between the intermediate cross plate part and the lower cross plate part. Two of the shaft bodies of the side rotating shaft II are arranged at the other end of the gap between the upper cross plate part and the intermediate cross plate part. And the other two shaft bodies of the side rotating shaft II are arranged at the other end of the gap between the intermediate cross plate part and the lower cross plate part.

[0045] The technical effects of the above technical solutions are as follows: It realizes the sorting of the groove body size of the belt body and the re-sorting of the shape and size of the belt body.

[0046] In the present utility model, the gear sets located at the inner ends of the rotating roller part I, the rotating roller part II, the rotating roller part III, the rotating roller part IV, and the rotating roller part V are arranged as a speed increasing transmission step by step, and the gear sets located at the inner ends of the rotating roller part VII, the rotating roller part VIII, and the rotating roller part IX are arranged as a constant speed transmission. The rotational speed value of the rotating roller part V on the first strip stretching roller machine is set to be equal to the rotational speed value of the rotating roller part I on the second strip stretching roller machine. The rotational speed value of the rotating roller part V on the second strip stretching roller machine is set to be equal to the rotational speed value of the rotating roller part I on the third strip stretching roller machine. The rotational speed value of the rotating roller part V on the third strip stretching roller machine is set to be equal to the rotational speed value of the rotating roller part VII.

[0047] The technical effect of the above technical solution is as follows: realizing the roller conveying of the belt body with step-by-step acceleration.

[0048] In the present utility model, the belt extruder, the cooling tank, and the strip traction machine are arranged to be distributed in the manner of roller stretching with the first strip stretching roller machine, the second strip stretching roller machine, and the third strip stretching roller machine, and the belt extruder, the cooling tank, the strip traction machine, the first strip stretching roller machine, the second strip stretching roller machine, and the third strip stretching roller machine are arranged to be distributed in the manner of drying and blowing with the dryer. The belt extruder, the cooling tank, the strip traction machine, the first strip stretching roller machine, the second strip stretching roller machine, and the third strip stretching roller machine are arranged to be distributed in the manner of friction finishing with the strip stretching machine, and the belt extruder, the cooling tank, the strip traction machine, the first strip stretching roller machine, the second strip stretching roller machine, and the third strip stretching roller machine are arranged to be distributed in the manner of annular groove finishing with the strip finishing machine.

[0049] In the present utility model, the centerlines of the belt extruder, the cooling tank, the first strip stretching roller machine, the second strip stretching roller machine, the dryer, the third strip stretching roller machine, the strip stretching machine, the strip finishing machine, and the strip traction machine are arranged on the same straight line. The rotating roller part VII is arranged to be correspondingly distributed with the upper output shaft part. The side rotating shaft I and the rotating roller part V on the third strip stretching roller machine are respectively arranged to be correspondingly distributed with the upper curved plate part and the lower curved plate part. The rotating roller part I on the first strip stretching roller machine is respectively arranged to be correspondingly distributed with the groove part.

[0050] In this technical solution, the hot melt extension body used as the integral blank is realized by the belt body 1.

[0051] In this technical solution, using a hot-melt extended body as the strip of the one-piece blank is an important technical feature, which has novelty, creativity and practicality in the technical field of strips and preparation devices for geogrids. The terms in this technical solution can be explained and understood by using the patent documents in this technical field. Brief Description of the Drawings

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0053] Figure 1 It is a schematic diagram of a strip device for geogrids of the present invention.

[0054] Figure 2 It is a schematic diagram of a strip preparation device for geogrids of the present invention.

[0055] Figure 3 It is a schematic diagram of the structure of the cooling tank 2.

[0056] Figure 4 It is a schematic diagram of the structures of the first strip stretching roller machine 3, the second strip stretching roller machine 4 and the third strip stretching roller machine 6.

[0057] Figure 5 It is a schematic diagram of the structure of the strip extender 7.

[0058] Figure 6 It is a schematic diagram of the structure of the strip finisher 8.

[0059] Figure 7 It is a schematic diagram of the structure of the strip tractor 9.

[0060] Belt body - 10, groove body I - 20, groove body II - 30, groove body III - 40, groove body IV - 50, strip extruder - 1, cooling tank - 2, first strip stretching roller machine - 3, second strip stretching roller machine - 4, dryer - 5, third strip stretching roller machine - 6, strip extender - 7, strip finisher - 8, strip tractor - 9, groove part - 21, pressure bar part - 22, handle bar part - 23, pipe part - 24, machine base part I - 31, rotating roller part I - 32, rotating roller part II - 33, rotating roller part III - 34, rotating roller part IV - 35, rotating roller part V - 36, rotating roller part VI - 37, telescopic rod part - 38, frame part - 39, machine base part II - 71, support rod part - 72, upper curved plate part - 73, lower curved plate part - 74, guide rod part - 75, spring part - 76, adjusting screw part - 78, machine base part III - 81, upper cross plate part - 82, middle cross plate part - 83, lower cross plate part - 84, side rotating shaft I - 85, side rotating shaft II - 86, lower output shaft part - 87, upper output shaft part - 88, brush shaft part - 89, machine base part IV - 99, rotating roller part VII - 98, rotating roller part VIII - 97, rotating roller part IX - 96, rotating roller part X - 95. Detailed implementation mode

[0061] According to the examination guidelines, terms such as "having", "comprising", and "including" used in the present utility model should be understood as not excluding the presence or addition of one or more other elements or their combinations.

[0062] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0063] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0064] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other. In addition, unless otherwise specified, the equipment and materials used in the following embodiments are commercially available. If the processing conditions are not clearly stated, please refer to the product manual purchased or follow the conventional methods in the art.

[0065] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0066] A strip device for a geogrid Figure 1 This is the first embodiment of the present utility model. Specifically described in conjunction with the accompanying drawings, this embodiment includes a belt body 10, and a groove body I 20 is provided on one side of one end face of the belt body 10, a groove body II 30 is provided on the other side of one end face of the belt body 10, and a groove body III 40 is provided on one side of the other end face of the belt body 10, and a groove body IV 50 is provided on the other side of the other end face of the belt body 10.

[0067] In this embodiment, the belt body 10 is set as a polyester or polypropylene strip, and the groove body I 20, the groove body II 30, the groove body III 40 and the groove body IV 50 are respectively set as U-shaped groove bodies.

[0068] Its technical purpose is: to improve the bonding force with granular subgrade materials.

[0069] In this embodiment, the ratio between the width of the blank belt of the belt body 10 and the width of the belt body 10 is set to 5.5 - 6.6:1, the width of the belt body 10 is set to 8 - 12 mm, and the thickness of the belt body 10 is set to 2 - 4 mm.

[0070] Its technical purpose is: to increase the extension length of the belt body 10.

[0071] One of the supporting examples of the first embodiment of the present utility model, the belt body 10 is set as a polyester strip.

[0072] In this embodiment, the ratio between the width of the blank belt of the belt body 10 and the width of the belt body 10 is set to 5.5:1, the width of the belt body 10 is set to 8 mm, and the thickness of the belt body 10 is set to 2 mm.

[0073] Another supporting example of the first embodiment of the present utility model, the belt body 10 is set as a polypropylene strip.

[0074] In this embodiment, the ratio between the width of the blank strip of the strip body 10 and the width of the strip body 10 is set to 6.6:1, the width of the strip body 10 is set to 12 mm, and the thickness of the strip body 10 is set to 4 mm.

[0075] The third supporting example of the first embodiment of the present utility model

[0076] The ratio between the width of the blank strip of the strip body 10 and the width of the strip body 10 is set to 6.0:1, the width of the strip body 10 is set to 10 mm, and the thickness of the strip body 10 is set to 3 mm.

[0077] A strip preparation device for a geogrid Figure 2 This is the first embodiment of the present utility model. Specifically described in conjunction with the drawings, this embodiment includes a strip extruder 1, a cooling tank 2, a first strip stretching roller machine 3, a second strip stretching roller machine 4, a dryer 5, a third strip stretching roller machine 6, a strip extender 7, a strip finisher 8, and a strip tractor 9. And a second strip stretching roller machine 4 is provided on the first strip stretching roller machine 3, a cooling tank 2 is provided between the first strip stretching roller machine 3 and the strip extruder 1, and a dryer 5 is provided between the second strip stretching roller machine 4 and the third strip stretching roller machine 6. A strip extender 7 is provided on the third strip stretching roller machine 6, and a strip finisher 8 is provided between the strip extender 7 and the strip tractor 9.

[0078] In this embodiment, the strip extruder 1 is set as a screw extruder having an extrusion die corresponding to the strip device for the geogrid, and the input port part of the strip extruder 1 is set to be distributed corresponding to the cooling tank 2.

[0079] Through the strip extruder 1, a support connection point for the cooling tank 2 is formed. By the strip extruder 1, the connection with the cooling tank 2 is realized. Its technical purpose is: to be used as a component for manufacturing the blank strip of the strip body 10 having the groove body I 20, the groove body II 30, the groove body III 40, and the groove body IV 50.

[0080] In this embodiment, the cooling tank 2 is arranged to include a tank portion 21, a pressing rod portion 22, a handle rod portion 23 and a pipe portion 24. The ends of the pressing rod portion 22 are respectively arranged to be rotatably connected to the upper parts of the front and rear inner walls of the tank portion 21. The outer peripheral side surface of the pressing rod portion 22 is arranged to be connected to the inner end of the handle rod portion 23. The left and right inner walls of the tank portion 21 are arranged to be connected to the vertical portion of the pipe portion 24. The upper end of the tank portion 21 is open. One side of the open upper end is arranged to be correspondingly distributed with the strip extruder 1, and the other side of the open upper end is arranged to be correspondingly distributed with the first strip stretching roller machine 3. The tank portion 21 is arranged as a box-shaped body having a convex-shaped hole body on the upper parts of the front and rear inner walls. The pressing rod portion 22 is arranged as a rod-shaped body having a convex-shaped end. The convex-shaped hole body of the tank portion 21 is arranged to be connected to the convex-shaped end of the pressing rod portion 22. The handle rod portion 23 is arranged as a strip-shaped body. The pipe portion 24 is arranged as a C-shaped pipe body having a through hole body on the horizontal portion.

[0081] Through the cooling tank 2, a support connection point for the strip extruder 1 and the first strip stretching roller machine 3 is formed. Through the tank portion 21, the connection with the strip extruder 1 is achieved, and the connection with the first strip stretching roller machine 3 is achieved. Through the pressing rod portion 22, the guiding treatment of the blank strip of the strip 10 is realized. Through the handle rod portion 23, the driving of the pressing rod portion 22 to rotate on the tank portion 21 is realized. Through the pipe portion 24, the injection of the cooling liquid into the tank portion 21 is realized. Its technical purpose is to be used as a component for cooling the blank strip of the strip 10.

[0082] In this embodiment, the first sheet stretching roller machine 3, the second sheet stretching roller machine 4, and the third sheet stretching roller machine 6 are respectively configured to include a machine base part Ⅰ 31, a rotating roller part Ⅰ 32, a rotating roller part Ⅱ 33, a rotating roller part Ⅲ 34, a rotating roller part Ⅳ 35, a rotating roller part Ⅴ 36, a rotating roller part Ⅵ 37, a telescopic rod part 38, and a frame part 39. The inner ends of the rotating roller part Ⅰ 32, the rotating roller part Ⅱ 33, the rotating roller part Ⅲ 34, the rotating roller part Ⅳ 35, and the rotating roller part Ⅴ 36 are respectively configured to be rotatably connected to the machine base part Ⅰ 31. The rotating support block located at the inner end of the rotating roller part Ⅵ 37 is configured to be connected to one end of the telescopic rod part 38, and the other end of the telescopic rod part 38 is configured to be connected to the horizontal part of the frame part 39. The inner ends of the rotating roller part Ⅰ 32, the rotating roller part Ⅱ 33, the rotating roller part Ⅲ 34, the rotating roller part Ⅳ 35, and the rotating roller part Ⅴ 36 are configured to be connected to the end shaft of the driving motor through a gear set, and the housing of the driving motor is configured to be connected to the machine base part Ⅰ 31. The vertical part of the frame part 39 is configured to be connected to the machine base part Ⅰ 31, and the machine base part Ⅰ 31 is configured as a rectangular block. The rotating roller part Ⅰ 32, the rotating roller part Ⅱ 33, the rotating roller part Ⅲ 34, the rotating roller part Ⅳ 35, the rotating roller part Ⅴ 36, and the rotating roller part Ⅵ 37 are respectively configured as convex-shaped shaft bodies, and the telescopic rod part 38 is configured as an electric push rod. The frame part 39 is configured as a U-shaped plate body, and the center points of the rotating roller part Ⅰ 32, the rotating roller part Ⅲ 34, and the rotating roller part Ⅴ 36 are respectively arranged on the upper horizontal center line. The center points of the rotating roller part Ⅱ 33 and the rotating roller part Ⅳ 35 are respectively arranged on the lower horizontal center line, and the rotating roller part Ⅵ 37 located on the first sheet stretching roller machine 3 is configured to be correspondingly distributed with the rotating roller part Ⅰ 32 located on the first sheet stretching roller machine 3. The rotating roller part Ⅵ 37 located on the second sheet stretching roller machine 4 is configured to be correspondingly distributed with the rotating roller part Ⅲ 34 located on the second sheet stretching roller machine 4, and the rotating roller part Ⅵ 37 located on the third sheet stretching roller machine 6 is configured to be correspondingly distributed with the rotating roller part Ⅴ 36 located on the third sheet stretching roller machine 6. The rotating roller part Ⅰ 32 located on the first sheet stretching roller machine 3 is configured to be correspondingly distributed with the cooling tank 2, and the rotating roller part Ⅴ 36 located on the first sheet stretching roller machine 3 is configured to be correspondingly distributed with the rotating roller part Ⅰ 32 located on the second sheet stretching roller machine 4. The rotating roller part Ⅴ 36 located on the second sheet stretching roller machine 4 and the rotating roller part Ⅰ 32 located on the third sheet stretching roller machine 6 are respectively configured to be correspondingly distributed with the dryer 5, and the rotating roller part Ⅴ 36 located on the third sheet stretching roller machine 6 is configured to be correspondingly distributed with the strip sheet extender 7.

[0083] Through the first strip stretching roller machine 3, the second strip stretching roller machine 4, and the third strip stretching roller machine 6, support connection points for the cooling tank 2, the dryer 5, and the strip extender 7 are formed. The connection with the cooling tank 2 is achieved by the rotating roller part I 32. The connection with the dryer 5 is achieved by the rotating roller part I 32 and the rotating roller part V 36. The connection with the strip extender 7 is achieved by the rotating roller part V 36. The rotating support treatment for the rotating roller part I 32, the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, and the rotating roller part V 36 is achieved by the machine base part I 31. The speed increase transition treatment between the rotating roller part I 32 and the rotating roller part V 36 is achieved by the rotating roller part II 33, the rotating roller part III 34, and the rotating roller part IV 35. The pressing treatment for the blank strip of the belt body 10 is achieved by the rotating roller part VI 37, the telescopic rod part 38, and the frame part 39. Its technical purpose is: to be used as a component for gradually stretching the blank strip of the belt body 10.

[0084] In this embodiment, the dryer 5 is set as a box - type dryer, and the input port part of the dryer 5 is set to be distributed corresponding to the second strip stretching roller machine 4, and the output port part of the dryer 5 is set to be distributed corresponding to the third strip stretching roller machine 6.

[0085] Through the dryer 5, support connection points for the second strip stretching roller machine 4 and the third strip stretching roller machine 6 are formed. The connection with the second strip stretching roller machine 4 is achieved by the dryer 5, and the connection with the third strip stretching roller machine 6 is achieved. Its technical purpose is: to be used as a component for drying the blank strip of the belt body 10.

[0086] In this embodiment, the strip extending machine 7 is arranged to include a machine base part II 71, a support rod part 72, an upper curved plate part 73, a lower curved plate part 74, a guide rod part 75, a spring part 76 and an adjusting screw part 78. One end of the support rod part 72 is arranged to be connected to the upper cross part of the machine base part II 71, and the other end of the support rod part 72 is arranged to be connected to the upper end face part of the upper curved plate part 73. The upper end face part of the lower curved plate part 74 is arranged to be correspondingly distributed opposite to the lower end face part of the upper curved plate part 73. The middle part of the lower end face of the lower curved plate part 74 is arranged to be connected to the upper end head of the guide rod part 75, and the side part of the lower end face of the lower curved plate part 74 is arranged to be in contact connection with the upper end head of the adjusting screw part 78. The guide rod part 75 is respectively arranged to be in through connection with the spring part 76 and the lower cross part of the machine base part II 71. One end of the spring part 76 is arranged to be in contact connection with the middle part of the lower end face of the lower curved plate part 74, and the other end of the spring part 76 is arranged to be in contact connection with the lower cross part of the machine base part II 71. The adjusting screw part 78 is arranged to be in threaded connection with the lower cross part of the machine base part II 71. One port part of the gap between the upper curved plate part 73 and the lower curved plate part 74 is arranged to be correspondingly distributed opposite to the third strip stretching roller machine 6, and the other port part of the gap between the upper curved plate part 73 and the lower curved plate part 74 is arranged to be correspondingly distributed opposite to the strip sorting machine 8. The machine base part II 71 is arranged to be a rectangular block body with a C-shaped groove body, and the support rod part 72 is arranged to be a rod-shaped body. The upper curved plate part 73 and the lower curved plate part 74 are respectively arranged to be C-shaped sheet bodies, and the arc top part of the upper curved plate part 73 is arranged to be correspondingly distributed opposite to the arc top part of the lower curved plate part 74. The guide rod part 75 is arranged to be a T-shaped rod-shaped body, and the spring part 76 is arranged to be a columnar spring. The adjusting screw part 78 is arranged to be an internal hexagonal bolt.

[0087] Through the strip extending machine 7, a support connection point for the third strip stretching roller machine 6 and the strip sorting machine 8 is formed. The connection with the third strip stretching roller machine 6 is realized by the upper curved plate part 73 and the lower curved plate part 74, and the connection with the strip sorting machine 8 is realized. The connection treatment of the support between the upper curved plate part 73 and the lower curved plate part 74 is realized by the machine base part II 71, the support rod part 72, the guide rod part 75, the spring part 76 and the adjusting screw part 78. Its technical purpose is to be used as a component for surface friction treatment of the belt body 10.

[0088] In this embodiment, the strip sorting machine 8 is provided to include a machine base part III 81, an upper cross plate part 82, an intermediate cross plate part 83, a lower cross plate part 84, a side rotating shaft I 85, a side rotating shaft II 86, a lower output shaft part 87, an upper output shaft part 88, and a brush shaft part 89. The upper end surface part of one side of the machine base part III 81 is provided to be connected to the inner end surface part of the upper cross plate part 82. The middle part of one side of the machine base part III 81 is provided to be connected to the inner end surface part of the intermediate cross plate part 83. And the lower part of one side of the machine base part III 81 is provided to be connected to the inner end surface part of the lower cross plate part 84. The inner end of the side rotating shaft I 85, the inner end of the side rotating shaft II 86, the inner end of the lower output shaft part 87, the inner end of the upper output shaft part 88, and the inner end of the brush shaft part 89 are respectively provided to be rotatably connected to the machine base part III 81. And a side rotating shaft I 85 is provided at one end of the gap between the upper cross plate part 82, the intermediate cross plate part 83, and the lower cross plate part 84. A side rotating shaft II 86, a lower output shaft part 87, an upper output shaft part 88, and a brush shaft part 89 are respectively provided at the other end of the gap between the upper cross plate part 82, the intermediate cross plate part 83, and the lower cross plate part 84. The side rotating shaft I 85 is provided to be correspondingly distributed relative to the strip extending machine 7. The upper output shaft part 88 is provided to be correspondingly distributed relative to the strip traction machine 9. And the machine base part III 81 is provided as a rectangular block. The upper cross plate part 82 and the intermediate cross plate part 83 are respectively provided as rectangular strip-shaped bodies. And the lower cross plate part 84 is provided as a rectangular strip-shaped body with a groove body at the upper end surface part. The side rotating shaft I 85, the side rotating shaft II 86, the lower output shaft part 87, and the upper output shaft part 88 are respectively provided as convex-shaped rod-shaped bodies with annular groove bodies corresponding to the belt body 10, the groove body I 20, the groove body II 30, the groove body III 40, and the groove body IV 50 on the peripheral side surface. And the brush shaft part 89 is provided as a convex-shaped rod-shaped body with plush threads on the peripheral side surface. Two of the shaft bodies of the side rotating shaft I 85 are arranged at one end of the gap between the upper cross plate part 82 and the intermediate cross plate part 83. And the other two shaft bodies of the side rotating shaft I 85 are arranged at one end of the gap between the intermediate cross plate part 83 and the lower cross plate part 84. Two of the shaft bodies of the side rotating shaft II 86 are arranged at the other end of the gap between the upper cross plate part 82 and the intermediate cross plate part 83. And the other two shaft bodies of the side rotating shaft II 86 are arranged at the other end of the gap between the intermediate cross plate part 83 and the lower cross plate part 84.

[0089] Through the strip finisher 8, support connection points for the strip extender 7 and the strip tractor 9 are formed. The connection with the strip extender 7 is achieved by the side rotating shaft I 85, the connection with the strip tractor 9 is achieved by the upper output shaft portion 88, and the support connection processing for the upper cross plate portion 82, the middle cross plate portion 83, the lower cross plate portion 84, the side rotating shaft I 85, the side rotating shaft II 86, the lower output shaft portion 87, the upper output shaft portion 88, and the brush shaft portion 89 is achieved by the machine base portion III 81. The support connection processing for the side rotating shaft I 85 and the side rotating shaft II 86 in a divided area is achieved by the upper cross plate portion 82, the middle cross plate portion 83, and the lower cross plate portion 84. The conveying processing for the belt body 10 is achieved by the side rotating shaft II 86 and the lower output shaft portion 87, and the cleaning processing for the belt body 10 is achieved by the brush shaft portion 89. Its technical purpose is: to be used as a component for shaping the belt body 10, the groove body I 20, the groove body II 30, the groove body III 40, and the groove body IV 50.

[0090] In this embodiment, the strip tractor 9 is set to include a machine base portion IV 99, a rotating roller portion VII 98, a rotating roller portion VIII 97, a rotating roller portion IX 96, and a rotating roller portion X 95. The inner ends of the rotating roller portion VII 98, the rotating roller portion VIII 97, the rotating roller portion IX 96, and the rotating roller portion X 95 are respectively set to be rotationally connected to the machine base portion IV 99. The rotating roller portion X 95 is set to be distributed corresponding to the rotating roller portion IX 96, and the inner ends of the rotating roller portion VII 98, the rotating roller portion VIII 97, and the rotating roller portion IX 96 are set to be connected to the end shaft of the driving motor through a gear set. The housing of the driving motor is set to be connected to the machine base portion IV 99, and the rotating roller portion VII 98 is set to be distributed corresponding to the strip finisher 8. The machine base portion IV 99 is set to be a rectangular block, and the rotating roller portion VII 98, the rotating roller portion VIII 97, the rotating roller portion IX 96, and the rotating roller portion X 95 are respectively set to be convex-shaped shaft bodies. The center points of the rotating roller portion VII 98 and the rotating roller portion IX 96 are respectively set on the upper horizontal transverse center line, and the center point of the rotating roller portion VIII 97 is set on the lower horizontal transverse center line.

[0091] Through the strip tractor 9, a support connection point for the strip finisher 8 is formed. The connection with the strip finisher 8 is achieved by the rotating roller portion VII 98. The equal-speed conveying processing for the belt body 10 is achieved by the rotating roller portion VIII 97 and the rotating roller portion IX 96, and the pressing processing for the belt body 10 is achieved by the rotating roller portion X 95. Its technical purpose is: to be used as a component for traction and conveying of the belt body 10.

[0092] In this embodiment, the gear sets on the inner ends of the rotating roller part I 32, the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, and the rotating roller part V 36 are set as a continuously increasing-speed transmission, and the gear sets on the inner ends of the rotating roller part VII 98, the rotating roller part VIII 97, and the rotating roller part IX 96 are set as a constant-speed transmission. The rotational speed value of the rotating roller part V 36 on the first strip stretching roller machine 3 is set to be equal to the rotational speed value of the rotating roller part I 32 on the second strip stretching roller machine 4. The rotational speed value of the rotating roller part V 36 on the second strip stretching roller machine 4 is set to be equal to the rotational speed value of the rotating roller part I 32 on the third strip stretching roller machine 6. The rotational speed value of the rotating roller part V 36 on the third strip stretching roller machine 6 is set to be equal to the rotational speed value of the rotating roller part VII 98.

[0093] Its technical objective is to achieve differential stretching of the blank strip of the belt body 10.

[0094] In this embodiment, the strip extruder 1, the cooling tank 2, and the strip traction machine 9 are arranged with the first strip stretching roller machine 3, the second strip stretching roller machine 4, and the third strip stretching roller machine 6 in a distribution manner according to roller stretching. The strip extruder 1, the cooling tank 2, the strip traction machine 9, the first strip stretching roller machine 3, the second strip stretching roller machine 4, and the third strip stretching roller machine 6 are arranged with the dryer 5 in a distribution manner according to drying and blowing. The strip extruder 1, the cooling tank 2, the strip traction machine 9, the first strip stretching roller machine 3, the second strip stretching roller machine 4, and the third strip stretching roller machine 6 are arranged with the strip extension machine 7 in a distribution manner according to friction finishing. The strip extruder 1, the cooling tank 2, the strip traction machine 9, the first strip stretching roller machine 3, the second strip stretching roller machine 4, and the third strip stretching roller machine 6 are arranged with the strip finishing machine 8 in a distribution manner according to annular groove finishing. The center lines of the strip extruder 1, the cooling tank 2, the first strip stretching roller machine 3, the second strip stretching roller machine 4, the dryer 5, the third strip stretching roller machine 6, the strip extension machine 7, the strip finishing machine 8, and the strip traction machine 9 are arranged on the same straight line. The rotating roller part VII 98 is arranged corresponding to the upper output shaft part 88. The side rotating shaft I 85 and the rotating roller part V 36 on the third strip stretching roller machine 6 are respectively arranged corresponding to the upper curved plate part 73 and the lower curved plate part 74. The rotating roller part I 32 on the first strip stretching roller machine 3 is respectively arranged corresponding to the groove part 21.

[0095] Usage method of this embodiment: Through the pipe part 24, inject the cooling liquid into the groove part 21 to fill the groove part 21 with the cooling liquid. Install the extrusion die corresponding to the blank belt of the belt body 10, the groove body I 20, the groove body II 30, the groove body III 40, and the groove body IV 50 on the belt extrusion machine 1. Put the raw material of the belt body 10 into the belt extrusion machine 1 to make the belt extrusion machine 1 in a working state. Obtain the blank belt of the belt body 10 at the output port part of the belt extrusion machine 1. String the blank belt of the belt body 10 between the pressing rod parts 22 respectively. Put the blank belt of the belt body 10 between the rotating roller part I 32 and the rotating roller part VI 37 on the first strip stretching roller machine 3. Surround the blank belt of the belt body 10 on the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, and the rotating roller part V 36 on the first strip stretching roller machine 3. Surround the blank belt of the belt body 10 on the rotating roller part I 32, the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, and the rotating roller part V 36 on the second strip stretching roller machine 4. Put the blank belt of the belt body 10 between the rotating roller part III 34 and the rotating roller part VI 37 on the second strip stretching roller machine 4. Put the blank belt of the belt body 10 between the input port part and the output port part of the dryer 5. Surround the blank belt of the belt body 10 on the rotating roller part I 32, the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, and the rotating roller part V 36 on the third strip stretching roller machine 6. Put the blank belt of the belt body 10 between the rotating roller part V 36 and the rotating roller part VI 37 on the third strip stretching roller machine 6 to obtain the intermediate body of the belt body 10. Put the intermediate body of the belt body 10 between the upper curved plate part 73 and the lower curved plate part 74. Surround the intermediate body of the belt body 10 in the annular groove bodies of the side rotating shaft I 85 and the side rotating shaft II 86 respectively. Then surround the intermediate body of the belt body 10 in the annular groove bodies of the lower output shaft part 87 and the upper output shaft part 88. Make the intermediate body of the belt body 10 contact the plush thread of the brush shaft part 89 to obtain the finished product of the belt body 10. Surround the finished product of the belt body 10 on the rotating roller part VII 98, the rotating roller part VIII 97, and the rotating roller part IX 96. Put the finished product of the belt body 10 between the rotating roller part X 95 and the rotating roller part IX 96. Make the telescopic rod part 38 in an extended state. Press the blank belt of the belt body 10 by the rotating roller part VI 37. Make the adjusting screw part 78 rotate on the lower horizontal part of the machine base part II 71. Make the arc top of the upper curved plate part 73 and the arc top of the lower curved plate part 74 contact the blank belt of the belt body 10. Make the first strip stretching roller machine 3, the second strip stretching roller machine 4, the dryer 5, the third strip stretching roller machine 6, and the strip traction machine 9 in a working state. Make the rotating roller part I 32, the rotating roller part II 33, the rotating roller part III 34, the rotating roller part IV 35, the rotating roller part V 36, the rotating roller part VII 98, the rotating roller part VIII 97, and the rotating roller part IX 96 in a rotating state.The intermediate product of the belt body 10 is obtained by stretching the blank belt body by the rotating roller part Ⅰ32, rotating roller part Ⅱ33, rotating roller part Ⅲ34, rotating roller part Ⅳ35 and rotating roller part Ⅴ36. Under the traction and transportation of the rotating roller part Ⅶ98, rotating roller part Ⅷ97 and rotating roller part Ⅸ96, the surface of the intermediate product of the belt body 10 is frictionally cleaned by the arc top of the upper curved plate part 73 and the arc top of the lower curved plate part 74. The width of the intermediate product of the belt body 10 and the groove body Ⅰ20, groove body Ⅱ30, groove body Ⅲ40 and groove body Ⅳ50 located on the intermediate product of the belt body 10 are shaped by the side rotating shaft Ⅰ85 and side rotating shaft Ⅱ86. The guide wheel transportation is carried out by the lower output shaft part 87 and the upper output shaft part 88, and the surface is brushed and cleaned by the brush shaft part 89 to obtain the finished product of the belt body 10. When the production of the finished product of the belt body 10 is completed, the belt strip extruder 1, the first strip stretching roller machine 3, the second strip stretching roller machine 4, the dryer 5, the third strip stretching roller machine 6 and the strip traction machine 9 are in a non-working state.

[0096] When verifying the present invention, the inventor abandoned the prior art features of wrapping polyester or polypropylene layers outside the steel wire, and first proposed the technical feature of using a hot-melt extended body as an integral blank body, obtaining the first unexpected technical effect: realizing the continuous stretching and forming of the blank belt body of the belt body 10, obtaining the second unexpected technical effect: realizing the formation of groove bodies on the belt body 10, increasing the connection area with granular subgrade materials, obtaining the third unexpected technical effect: realizing the stretching between roller bodies, improving the preparation efficiency of the belt body 10, obtaining the fourth unexpected technical effect: realizing the surface quality treatment of the belt body 10, obtaining the fifth unexpected technical effect: realizing the precise finishing treatment of the dimensional accuracy of the belt body 10, obtaining the sixth unexpected technical effect: realizing the full utilization of raw materials of polyester or polypropylene and reducing the production cost of geogrids.

[0097] The second embodiment of the present invention is integrated on the belt body 10 according to the technical feature of using a hot-melt extended body as an integral blank body.

[0098] In this embodiment, the groove body group is integrated on the belt body 10 according to the technical feature of improving the surface layer body.

[0099] In this embodiment, the groove body group is set to include the groove body Ⅰ20, groove body Ⅱ30, groove body Ⅲ40 and groove body Ⅳ50.

[0100] The second embodiment of the present invention is based on the first embodiment.

[0101] For the second embodiment of the present utility model, the strip extruder 1, the cooling tank 2, the sheet stretching roller unit and the strip traction machine 9 are interconnected in such a way that the stretching elongation is carried out in the state of the green strip of the strip body 10 being conveyed along the speed-up route.

[0102] In this embodiment, the sheet stretching roller unit is connected to the strip extruder 1, the cooling tank 2 and the strip traction machine 9 in such a way that the stretching between the rollers is carried out on the green strip of the strip body 10.

[0103] In this embodiment, the sheet stretching roller unit is arranged to include a first sheet stretching roller machine 3, a second sheet stretching roller machine 4 and a third sheet stretching roller machine 6.

[0104] In this embodiment, it further includes a first accessory device and the first accessory device is arranged between the sheet stretching roller units, and the first accessory device is arranged as a dryer 5.

[0105] In this embodiment, it further includes a second accessory device and the second accessory device is arranged between the sheet stretching roller unit and the strip traction machine 9, and the second accessory device is arranged as a strip extender 7.

[0106] In this embodiment, it further includes a third accessory device and the third accessory device is arranged between the second accessory device and the strip traction machine 9, and the third accessory device is arranged as a strip finisher 8.

[0107] The second embodiment of the present utility model is based on the first embodiment.

[0108] The present utility model has the following characteristics:

[0109] 1. Due to the design of the strip body 10, through the strip body 10, polyester or polypropylene is used to prepare the green strip, through the groove body group, the surface layer of the strip body 10 is improved, and the use of a hot-melt extension body as an integral green body is realized, solving the technical problem of wrapping a polyester or polypropylene layer outside the steel wire. Therefore, the width and thickness of the strips of the geogrid are in an optimized state, and the sinking connection performance between the strips and the granular subgrade material is improved.

[0110] 2. Due to the design of the groove body I 20, the groove body II 30, the groove body III 40 and the groove body IV 50, the edge groove body is arranged on the strip body 10.

[0111] 3. Since the strip extruder 1, the cooling tank 2, the sheet stretching roller unit and the strip and sheet traction machine 9 are designed, the route transportation of the blank strip of the belt body 10 is realized through the strip extruder 1, the cooling tank 2 and the strip and sheet traction machine 9. Through the sheet stretching roller unit, the stretching between rollers of the blank strip of the belt body 10 is realized, and the elongation is realized under the state of increasing-speed route transportation of the blank strip of the belt body 10. Therefore, the preparation efficiency of the strip device for geogrid is improved.

[0112] 4. Since the first sheet stretching roller machine 3, the second sheet stretching roller machine 4 and the third sheet stretching roller machine 6 are designed, the three-stage stretching of the blank strip of the belt body 10 is realized.

[0113] 5. Since the dryer 5 is designed, the drying treatment of the blank strip of the belt body 10 in the stretched state is realized.

[0114] 6. Since the strip and sheet extender 7 is designed, the cleaning of the surface of the belt body 10 is realized.

[0115] 7. Since the strip and sheet finisher 8 is designed, the sizing of the belt body 10 is realized.

[0116] 8. Since the numerical range of the structural shape is defined, and the numerical range is the technical feature in the technical solution of the present invention, which is not the technical feature obtained by formula calculation or by a limited number of experiments. Experiments show that the technical feature of this numerical range has achieved good technical effects.

[0117] 9. Since the technical features of the present invention are designed, through the combined action of the technical features alone and with each other, experiments show that each performance index of the present invention is at least 1.7 times that of the existing performance indexes, and it has good market value through evaluation.

[0118] There are also other technical features that are the same as or similar to those of the belt body 10 using the hot-melt extender as a one-piece blank, which are all one of the embodiments of the present invention. And the technical features of the above-mentioned embodiments can be combined arbitrarily. To meet the requirements of the Patent Law, the Patent Implementation Regulations and the Examination Guidelines, the embodiments of all possible combinations of the above-mentioned technical features will not be described one by one.

[0119] Therefore, in the technical field of strips and preparation devices for geogrid, all technical contents containing the belt body 10 with a groove body group are within the protection scope of the present invention.

Claims

1. A strip for a geogrid, characterized in that: The belt body (10) includes a set of groove bodies, and the set of groove bodies is set to include groove body I (20), groove body II (30), groove body III (40) and groove body IV (50).

2. The strip for geogrid according to claim 1, characterized in that: Groove body I (20) is provided on one side of one end face of the belt body (10), groove body II (30) is provided on the other side of one end face of the belt body (10), and groove body III (40) is provided on one side of the other end face of the belt body (10), and groove body IV (50) is provided on the other side of the other end face of the belt body (10).

3. The strip for a geogrid according to claim 1, characterized in that: The belt body (10) is set as a polyester or polypropylene strip, and groove body I (20), groove body II (30), groove body III (40) and groove body IV (50) are respectively set as U-shaped groove bodies.

4. The strip for geogrid according to claim 1, characterized in that: The ratio between the width of the blank belt of the belt body (10) and the width of the belt body (10) is set to 5.5 - 6.6:1, the width of the belt body (10) is set to 8 - 12 mm, and the thickness of the belt body (10) is set to 2 - 4 mm.

5. A strip preparation device for geogrids, characterized in that: It includes a strip extruder (1) for preparing the blank belt of the belt body (10), a cooling tank (2) for cooling the blank belt of the belt body (10), a sheet stretching roller unit for stretching the blank belt of the belt body (10), and a strip traction machine (9) for traction of the belt body (10).

6. The strip preparation device for geogrid according to claim 5, characterized in that: The strip extruder (1), the cooling tank (2), the sheet stretching roller unit and the strip traction machine (9) are interconnected in such a way that elongation is carried out in the state of conveying the blank belt of the belt body (10) along the speed increasing route.

7. The strip preparation device for geogrids according to claim 6, characterized in that: The sheet stretching roller unit is connected to the strip extruder (1), the cooling tank (2) and the strip traction machine (9) in such a way that stretching is carried out between the rollers of the blank belt of the belt body (10).

8. The strip preparation device for geogrid according to claim 5, characterized in that: The sheet stretching roller unit is set to include a first sheet stretching roller machine (3), a second sheet stretching roller machine (4) and a third sheet stretching roller machine (6), and it further includes a first accessory device, and the first accessory device is arranged between the sheet stretching roller units, and the first accessory device is set as a dryer (5), it further includes a second accessory device, and the second accessory device is arranged between the sheet stretching roller unit and the strip traction machine (9), and the second accessory device is set as a strip extender (7), it further includes a third accessory device, and the third accessory device is arranged between the second accessory device and the strip traction machine (9), and the third accessory device is set as a strip finisher (8).

9. The strip preparation device for geogrid according to claim 8, characterized in that: The second sheet stretching roller machine (4) is arranged on the first sheet stretching roller machine (3), the cooling tank (2) is arranged between the first sheet stretching roller machine (3) and the strip extruder (1), the dryer (5) is arranged between the second sheet stretching roller machine (4) and the third sheet stretching roller machine (6), the strip extender (7) is arranged on the third sheet stretching roller machine (6), and the strip finisher (8) is arranged between the strip extender (7) and the strip traction machine (9).

10. The strip preparation device for geogrid according to claim 9, characterized in that: The strip extruder (1) is set as a screw extruder with an extrusion die corresponding to the strips for geogrids, and the input port part of the strip extruder (1) is set to be distributed corresponding to the cooling tank (2).

11. The strip preparation device for geogrid according to claim 10, characterized in that: The cooling tank (2) is set to include a tank part (21), a pressing rod part (22), a handle rod part (23) and a pipe part (24). The ends of the pressing rod part (22) are respectively set to be rotatably connected to the upper parts of the front and rear inner walls of the tank part (21). The outer peripheral side of the pressing rod part (22) is set to be connected to the inner end of the handle rod part (23). The left and right inner walls of the tank part (21) are set to be connected to the vertical parts of the pipe part (24). The upper end of the tank part (21) is open, and one side of it is set to be distributed corresponding to the strip extruder (1), and the other side of the upper end of the tank part (21) is set to be distributed corresponding to the first strip stretching roller machine (3). The tank part (21) is set as a box-shaped body with a convex-shaped hole body on the upper parts of the front and rear inner walls, and the pressing rod part (22) is set as a rod-shaped body with a convex-shaped end. The convex-shaped hole body of the tank part (21) is set to be connected to the convex-shaped end of the pressing rod part (22), and the handle rod part (23) is set as a strip-shaped body. The pipe part (24) is set as a U-shaped pipe body with a through hole body on the horizontal part.

12. The strip preparation device for geogrid according to claim 11, characterized in that: The strip traction machine (9) is set to include a machine base part Ⅳ (99), a rotating roller part Ⅶ (98), a rotating roller part Ⅷ (97), a rotating roller part Ⅸ (96) and a rotating roller part Ⅹ (95). The inner ends of the rotating roller part Ⅶ (98), the rotating roller part Ⅷ (97), the rotating roller part Ⅸ (96) and the rotating roller part Ⅹ (95) are respectively set to be rotatably connected to the machine base part Ⅳ (99). The rotating roller part Ⅹ (95) is set to be distributed corresponding to the rotating roller part Ⅸ (96). The inner ends of the rotating roller part Ⅶ (98), the rotating roller part Ⅷ (97) and the rotating roller part Ⅸ (96) are set to be connected to the end shaft of the driving motor through a gear set. The housing of the driving motor is set to be connected to the machine base part Ⅳ (99), and the rotating roller part Ⅶ (98) is set to be distributed corresponding to the strip finishing machine (8). The machine base part Ⅳ (99) is set as a rectangular block, and the rotating roller part Ⅶ (98), the rotating roller part Ⅷ (97), the rotating roller part Ⅸ (96) and the rotating roller part Ⅹ (95) are respectively set as convex-shaped shaft bodies. The center points of the rotating roller part Ⅶ (98) and the rotating roller part Ⅸ (96) are respectively set on the upper horizontal transverse center line, and the center point of the rotating roller part Ⅷ (97) is set on the lower horizontal transverse center line.

13. The strip preparation device for geogrid according to claim 12, characterized in that: The first sheet stretching roller machine (3), the second sheet stretching roller machine (4), and the third sheet stretching roller machine (6) are respectively configured to include a machine base part I (31), a rotating roller part I (32), a rotating roller part II (33), a rotating roller part III (34), a rotating roller part IV (35), a rotating roller part V (36), a rotating roller part VI (37), a telescopic rod part (38), and a frame part (39). The inner ends of the rotating roller part I (32), the rotating roller part II (33), the rotating roller part III (34), the rotating roller part IV (35), and the rotating roller part V (36) are respectively configured to be rotatably connected to the machine base part I (31). The rotating support block located at the inner end of the rotating roller part VI (37) is configured to be connected to one end of the telescopic rod part (38), and the other end of the telescopic rod part (38) is configured to be connected to the horizontal part of the frame part (39). The inner ends of the rotating roller part I (32), the rotating roller part II (33), the rotating roller part III (34), the rotating roller part IV (35), and the rotating roller part V (36) are configured to be connected to the end shaft of the driving motor through a gear set, and the housing of the driving motor is configured to be connected to the machine base part I (31). The vertical part of the frame part (39) is configured to be connected to the machine base part I (31), and the machine base part I (31) is configured as a rectangular block. The rotating roller part I (32), the rotating roller part II (33), the rotating roller part III (34), the rotating roller part IV (35), the rotating roller part V (36), and the rotating roller part VI (37) are respectively configured as convex-shaped shaft bodies, and the telescopic rod part (38) is configured as an electric push rod. The frame part (39) is configured as a U-shaped plate body. The center points of the rotating roller part I (32), the rotating roller part III (34), and the rotating roller part V (36) are respectively located on the upper horizontal center line. The center points of the rotating roller part II (33) and the rotating roller part IV (35) are respectively located on the lower horizontal center line. The rotating roller part VI (37) located on the first sheet stretching roller machine (3) is configured to be correspondingly distributed with the rotating roller part I (32) located on the first sheet stretching roller machine (3). The rotating roller part VI (37) located on the second sheet stretching roller machine (4) is configured to be correspondingly distributed with the rotating roller part III (34) located on the second sheet stretching roller machine (4). The rotating roller part VI (37) located on the third sheet stretching roller machine (6) is configured to be correspondingly distributed with the rotating roller part V (36) located on the third sheet stretching roller machine (6). The rotating roller part I (32) located on the first sheet stretching roller machine (3) is configured to be correspondingly distributed with the cooling tank (2), and the rotating roller part V (36) located on the first sheet stretching roller machine (3) is configured to be correspondingly distributed with the rotating roller part I (32) located on the second sheet stretching roller machine (4).The rotating roller part V (36) located on the second sheet stretching roller machine (4) and the rotating roller part I (32) located on the third sheet stretching roller machine (6) are respectively arranged to be distributed corresponding to the dryer (5), and the rotating roller part V (36) located on the third sheet stretching roller machine (6) is arranged to be distributed corresponding to the strip extending machine (7).

14. The strip preparation device for geogrid according to claim 13, characterized in that: The dryer (5) is set as a box-type dryer, and the input port part of the dryer (5) is set to be distributed corresponding to the second strip stretching roller machine (4), and the output port part of the dryer (5) is set to be distributed corresponding to the third strip stretching roller machine (6).

15. The strip preparation device for geogrid according to claim 14, characterized in that: The strip extender (7) is provided to include a machine base part II (71), a support rod part (72), an upper curved plate part (73), a lower curved plate part (74), a guide rod part (75), a spring part (76) and an adjusting screw part (78). One end of the support rod part (72) is set to be connected to the upper cross part of the machine base part II (71), and the other end of the support rod part (72) is set to be connected to the upper end face part of the upper curved plate part (73). The upper end face part of the lower curved plate part (74) is set to be correspondingly distributed relative to the lower end face part of the upper curved plate part (73). The middle part of the lower end face of the lower curved plate part (74) is set to be connected to the upper end of the guide rod part (75), and the side part of the lower end face of the lower curved plate part (74) is set to be in contact connection with the upper end of the adjusting screw part (78). The guide rod part (75) is respectively set to be in through connection with the spring part (76) and the lower cross part of the machine base part II (71). One end of the spring part (76) is set to be in contact connection with the middle part of the lower end face of the lower curved plate part (74), and the other end of the spring part (76) is set to be in contact connection with the lower cross part of the machine base part II (71). The adjusting screw part (78) is set to be in threaded connection with the lower cross part of the machine base part II (71). One port part of the gap between the upper curved plate part (73) and the lower curved plate part (74) is set to be correspondingly distributed relative to the third strip stretching roller machine (6), and the other port part of the gap between the upper curved plate part (73) and the lower curved plate part (74) is set to be correspondingly distributed relative to the strip sorting machine (8). The machine base part II (71) is set to be a rectangular block with a C-shaped groove body, and the support rod part (72) is set to be a rod-shaped body. The upper curved plate part (73) and the lower curved plate part (74) are respectively set to be C-shaped sheet bodies, and the arc top of the upper curved plate part (73) is set to be correspondingly distributed relative to the arc top of the lower curved plate part (74). The guide rod part (75) is set to be a T-shaped rod-shaped body, and the spring part (76) is set to be a columnar spring. The adjusting screw part (78) is set to be an internal hexagonal bolt.

16. The strip preparation device for geogrid according to claim 15, characterized in that: The strip finishing machine (8) is configured to include a base portion III (81), an upper transverse plate portion (82), an intermediate transverse plate portion (83), a lower transverse plate portion (84), a side rotating shaft I (85), a side rotating shaft II (86), a lower output shaft portion (87), an upper output shaft portion (88) and a brush shaft portion (89), and the upper portion of one side surface of the base portion III (81) is configured to be connected to the inner end surface portion of the upper transverse plate portion (82), the middle portion of one side surface of the base portion III (81) is configured to be connected to the inner end surface portion of the intermediate transverse plate portion (83), and the lower portion of one side surface of the base portion III (81) is configured to be connected to the inner end surface portion of the lower transverse plate portion (84), the inner end head, the side rotating shaft I (85), the side rotating shaft II (86), the lower output shaft portion (87), the upper output shaft portion (88) and the brush shaft portion (89) The inner end of the rotating shaft II (86), the inner end of the lower output shaft (87), the inner end of the upper output shaft (88) and the inner end of the brush shaft (89) are respectively arranged to be rotatably connected to the base portion III (81), and a side rotating shaft I (85) is arranged at one end of the gap between the upper transverse plate portion (82), the middle transverse plate portion (83) and the lower transverse plate portion (84), and the side rotating shaft II (86), the lower output shaft (87), the upper output shaft (88) and the brush shaft (89) are respectively arranged at the other end of the gap between the upper transverse plate portion (82), the middle transverse plate portion (83) and the lower transverse plate portion (84), and the side rotating shaft I (85) is arranged to be connected to the strip extending The upper output shaft portion (88) is arranged to be ... 89) is configured as a convex rod-shaped body with a plush line on the peripheral side surface, two of the shaft bodies of the side rotating shaft I (85) are arranged at one end of the gap between the upper horizontal plate portion (82) and the middle horizontal plate portion (83), and the other two of the shaft bodies of the side rotating shaft I (85) are arranged at one end of the gap between the middle horizontal plate portion (83) and the lower horizontal plate portion (84), two of the shaft bodies of the side rotating shaft II (86) are arranged at the other end of the gap between the upper horizontal plate portion (82) and the middle horizontal plate portion (83), and the other two of the shaft bodies of the side rotating shaft II (86) are arranged at the other end of the gap between the middle horizontal plate portion (83) and the lower horizontal plate portion (84).

17. The strip preparation device for geogrid according to claim 16, characterized in that: The gear sets located at the inner ends of the rotating roller section I (32), rotating roller section II (33), rotating roller section III (34), rotating roller section IV (35), and rotating roller section V (36) are set as a step-up transmission, and the gear sets located at the inner ends of the rotating roller section VII (98), rotating roller section VIII (97), and rotating roller section IX (96) are set as a constant-speed transmission. The rotational speed value of the rotating roller section V (36) on the first strip stretching roller machine (3) is set to be equal to the rotational speed value of the rotating roller section I (32) on the second strip stretching roller machine (4). The rotational speed value of the rotating roller section V (36) on the second strip stretching roller machine (4) is set to be equal to the rotational speed value of the rotating roller section I (32) on the third strip stretching roller machine (6). The rotational speed value of the rotating roller section V (36) on the third strip stretching roller machine (6) is set to be equal to the rotational speed value of the rotating roller section VII (98).

18. The strip preparation device for geogrid according to claim 17, characterized in that: The strip extruder (1), cooling tank (2), and strip traction machine (9) are arranged with the first strip stretching roller machine (3), second strip stretching roller machine (4), and third strip stretching roller machine (6) in a distribution manner according to roller stretching. The strip extruder (1), cooling tank (2), strip traction machine (9), first strip stretching roller machine (3), second strip stretching roller machine (4), and third strip stretching roller machine (6) are arranged with the dryer (5) in a distribution manner according to drying and blowing. The strip extruder (1), cooling tank (2), strip traction machine (9), first strip stretching roller machine (3), second strip stretching roller machine (4), and third strip stretching roller machine (6) are arranged with the strip extender (7) in a distribution manner according to friction finishing. The strip extruder (1), cooling tank (2), strip traction machine (9), first strip stretching roller machine (3), second strip stretching roller machine (4), and third strip stretching roller machine (6) are arranged with the strip finisher (8) in a distribution manner according to annular groove finishing.

19. The strip preparation device for geogrid according to claim 17, characterized in that: The centerlines of the strip extruder (1), cooling tank (2), first strip stretching roller machine (3), second strip stretching roller machine (4), dryer (5), third strip stretching roller machine (6), strip extender (7), strip finisher (8), and strip traction machine (9) are arranged on the same straight line. The rotating roller section VII (98) is arranged corresponding to the upper output shaft section (88). The side rotating shaft I (85) and the rotating roller section V (36) on the third strip stretching roller machine (6) are respectively arranged corresponding to the upper curved plate section (73) and the lower curved plate section (74). The rotating roller section I (32) on the first strip stretching roller machine (3) is respectively arranged corresponding to the groove section (21).