CN202596752U

CN202596752U - Pentagonal plastic geogrid

Info

Publication number: CN202596752U
Application number: CN 201220035945
Authority: CN
Inventors: 张银堂
Original assignee: FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
Current assignee: FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2012-12-12
Anticipated expiration: 2022-02-06

Abstract

The utility model discloses a pentagonal plastic geogrid and a manufacturing method thereof. The geogrid is an integrally formed net structure which comprises five pentagonal structures, wherein each pentagonal structure comprises vertical ribs, a horizontal rib and slanting ribs. The vertical ribs, the horizontal rib and the slanting ribs are alternately arranged, and nodes are formed at intersections. The pentagonal plastic geogrid can bear vertical, horizontal and slanting loads, and has excellent integral rigidity.

Description

A kind of pentagon plastics GSZ

Technical field

The utility model relates to a kind of civil engineering work material.

Background technology

In civil engineering construction, use as reinforcement reinforcement effect structural meterials through plastic tensile mesh material commonly used, especially use as mining supporting and protection structure material, thick muscle bears the clamping force of anchor pole, the injury that the landing of the anti-stops stone of thin muscle etc. causes.This type material also can be used for protection and the protection in buffer action, engineering or garden, forest farm etc. in the construction work, has good isolation visual effect.Because odd number geometrical layout material than even number geometrical layout material, will be got well on structural stability, so the structural stability of odd number geometrical layout material itself is better than conventional square or rectangular configuration.

The plastic tensile mesh material has the multiple mode of production, and the employing plastic strip that has is welded into groined type or square or rectangular configuration, but its joint strength is difficult to satisfy construction requirement, does not often have the reinforcement reinforcement effect; Employing polyester fiber that has or glass fiber are through being woven into groined type or rectangular configuration; Then in the structure of its surface-coated organic protection layer; The joint strength of this structure also is difficult to satisfy the needs of engineering to intensity, especially is difficult to play integrally stiffened effect; The employing plastic plate that has is through going out the hole of the whole square or rectangle of arranging; The shape in its hole can be a various ways; Like circle, ellipse, Long Circle, square, rectangle etc.; Through vertically, laterally progressively stretching or synchro-draw; Thereby obtain groined type or square, rectangle, leg-of-mutton mesh material, the grid that this structural meterials forms compared with above-mentioned welding, braiding aspect supporting capacity has had good integrity, effect that node strength is high, has satisfied the requirement of engineering to bulk strength greatly.

But; In practical applications, find; Actual loading is often just in length and breadth to exerting pressure; And above-mentioned said all kinds of structural meterialss often can only provide the reinforcement and the support of both direction in length and breadth or three directions, will show great weakness for the support that comes from oblique load, and they must transmit and disperse load through the stable structure characteristics of grid own.

Summary of the invention

The utility model discloses a kind of pentagon plastics GSZ and manufacturing approach thereof, this pentagon plastics GSZ can bear a plurality of directions simultaneously, comprise vertically, laterally and inclined load and have a fine integral rigidity.

The pentagon plastics GSZ of the utility model; The net structure that comprises a plurality of pentagonal configuration that it is formed in one; Each pentagonal configuration comprises longitudinal rib, horizontal bar and oblique muscle, and longitudinal rib, horizontal bar and oblique muscle are alternately arranged, and the self intersection place forms node.

The manufacturing approach of the pentagon plastics GSZ of the utility model comprises the steps:

Preparing plastic sheet material; Plastic plate preferably includes polyvinyl or polypropylene;

Hole array in this plastic plate formation rule arrangement; Above-mentioned hole array is formed a unit by two row's apertures, between each unit about dislocation, make the distance between each adjacent hole equal;

Through longitudinal stretching, cross directional stretch; Perhaps portraitlandscape synchro-draw simultaneously; The material of the weakened area that forms between hole and the hole is stretched; And the part material of the relative stiffened region that forms between a plurality of holes can only partly be stretched, thereby forms a thick muscle and an alternately arrangement of thin muscle at last, and the self intersection place forms the pentagon plastics GSZ of node.

Wherein, the thickness range of plastic plate is preferably 1-20mm; The pore diameter range in hole is preferably 1-50mm on the sheet material; The 0.1-30 that pitch of holes between any adjacent two rounds is preferably the aperture doubly.Before stretching sheet material is preheated to the 60-180 degree; The stretching ratio of plastic plate is preferably 6-12.

Description of drawings

Fig. 1 is the structural representation of the utility model pentagon plastics GSZ.

Fig. 2 becomes the node sketch map for the utility model pentagon plastics geotechnique grill-shaped.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer, below through the specific embodiment to the pentagon plastics GSZ of the utility model and the technical scheme further explain of manufacturing approach thereof.

As shown in Figure 1; The pentagon plastics GSZ of the utility model, the net structure that comprises a plurality of pentagonal configuration that it is formed in one, each pentagonal configuration comprises longitudinal rib, horizontal bar and oblique muscle; Longitudinal rib, horizontal bar and oblique muscle are alternately arranged, and the self intersection place forms node.

The manufacturing approach of the disclosed pentagon plastics of the utility model GSZ comprises the steps:

Preparing plastic sheet material; Plastic plate can be materials such as polyvinyl or polypropylene.

At the hole array that this plastic plate formation rule is arranged, as shown in Figure 2.The preferred hole array that adopts punching mode formation rule to arrange also can mold the sheet material with hole array through other extrusion ways on sheet material.

Above-mentioned hole array is formed a unit by two row's apertures, between each unit about dislocation, make the distance between each adjacent hole equal;

The thickness range of plastic plate is preferably 1-20mm.The pore diameter range in hole is preferably 1-50mm on the sheet material, and the pitch of holes between wherein any adjacent two rounds should be at the 0.1-30 in aperture doubly.

The stretching ratio of sheet material is looked the material difference and different, and its stretching ratio was generally at 6-12 times when sheet material was polypropylene, and its stretching ratio generally at 4-10 doubly when sheet material was polyvinyl.The stretching ratio basically identical of longitudinal and transverse two directions wherein; Stretching ratio on the direction that perhaps at first stretches; For example vertically bigger, lax resilience is to a certain degree arranged when carrying out cross directional stretch, thereby form pentagon plastics GSZ as shown in Figure 1.

According to foregoing description, the array towards well-regulated hole perhaps molds the sheet material with the disclosed hole of the utility model array through other extrusion ways, through multiplying power such as strict vertically, cross directional stretch, formed mesh material like Fig. 1.This structure can be born a plurality of directions simultaneously, comprise vertically, laterally and inclined load and have a fine integral rigidity.

Embodiment 1:

The preparation polypropylene board; Raw material is selected polymer such as high density polyethylene (HDPE), polypropylene for use; Add auxiliary agents such as carbon black, UV resistant agent, antioxidant, after fully mixing, gone up automatically with vacuum feeder; Melt polymer with extruder at 180-280 ℃; And, be shaped into sheet material through three-roller calendar cooling, press polish through coat-hanger die extrusion board blank, cut unnecessary limit; Sheet metal thickness is 10mm;

Form pentagon hole array with punch press through punching at this plastic plate.Wherein, adjacent pentagon internal holes spacing is 10mm, aperture 4mm, row's spacing 8.66mm of dislocation;

This sheet material is through vertically, laterally about one by one 6-10 forms pentagon plastics GSZ after doubly etc. multiplying power stretches.Particularly, above-mentioned sheet material is preheating to 60-120 ℃, carries out longitudinal stretching, different according to material, stretching ratio becomes the simple tension goods to 6-10 times after the typing; Add with special fixture and hold, get into two-way preheating oven and carry out preheating, temperature is carried out cross directional stretch then at 80-180 ℃, stretching ratio to 6-10 doubly, and after the thermal finalization, become pentagon plastics GSZ, the back rolling of cutting edge.

Embodiment 2:

The preparation polyethylene board; Its thickness is 15mm;

Form pentagon hole array at this plastic plate through punching.Wherein, adjacent pentagon internal holes spacing is 20mm, aperture 8mm, and row's spacing of dislocation is 17.32mm;

After this sheet material stretches through multiplying powers such as 8-12 times of vertical, horizontal whiles, formation pentagon plastics GSZ.Particularly, above-mentioned sheet material is preheating to 60-180 ℃, carries out vertical, horizontal 8-12 simultaneously and doubly stretch, after the thermal finalization, become pentagon plastics GSZ, the back rolling of cutting edge.

According to foregoing description; The pentagonal configuration material that the sheet material of the described hole of the utility model array stretches and forms through portraitlandscape; Perhaps be similar to the above-mentioned pentagonal configuration material that the utility model is described, difference to some extent because the stretching ratio of vertical and horizontal is different; So the described pentagonal configuration material of the utility model includes but not limited to hole disclosed in the utility model array and the geo-grid material of the plastic tensile pentagonal configuration that produces with the method.

Claims

1. the plastics GSZ of a pentagonal configuration; It is characterized in that; The net structure that comprises a plurality of pentagonal configuration that said grid is formed in one; Each pentagonal configuration comprises longitudinal rib, horizontal bar and oblique muscle, and longitudinal rib, horizontal bar and oblique muscle are alternately arranged, and the self intersection place forms node.

2. pentagon plastics GSZ as claimed in claim 1 is characterized in that the material of this grid comprises polyvinyl or polypropylene.