CN205026244U - Polyethylene winding arrangement wall dysmorphism tubular product - Google Patents
Polyethylene winding arrangement wall dysmorphism tubular product Download PDFInfo
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- CN205026244U CN205026244U CN201520357571.0U CN201520357571U CN205026244U CN 205026244 U CN205026244 U CN 205026244U CN 201520357571 U CN201520357571 U CN 201520357571U CN 205026244 U CN205026244 U CN 205026244U
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Abstract
The utility model relates to a polyethylene winding arrangement wall dysmorphism tubular product, including inner wall layer and outer wall layer, inner wall layer for take by slice polyethylene material the adjacent material band edge reason of spiral winding and each in proper order each other the overlap joint merge the continuous real wall pipe that forms, outer wall layer twines in the formation of inner wall layer surface its characterized in that for taken cladding skeleton pipe by the polyethylene material after: inner wall layer include a straight basement. The utility model discloses a polyethylene winding arrangement wall dysmorphism tubular product, its inner wall layer includes a straight basement, inner wall layer's cross sectional shape is the arch, it is semi -circular, vertical ellipse, horizontal ellipse or many prisms, it is applicable in utility tunnel, the culvert, application among the water supply and sewerage works such as water delivery pipe duct, as utility tunnel, the culvert, the main part of water delivery pipe duct, make it need not concrete construction, the installation of being convenient for has, shorten utility tunnel, the culvert, the water delivery pipe duct engineering time, use manpower sparingly and material resources, straight basement simultaneously has the advantage of convenient intraductal operation.
Description
Technical field
The utility model belongs to plastic tube and processing technique field thereof, particularly polyethylene spirally enwound structure-wall heterotype tubing.
Background technique
Along with hydraulic engineering construction development, especially long-distance water diversion project day by day increases, and the application of heavy caliber polyethylene material is more increasingly extensive.Waste pipe is inner without pressure, for improving the performance of opposing extraneous pressure, impact, arranges multi-form stiffening rib in tube wall periphery.The plastic tube of conventional band stiffening rib mainly contains two kinds of forms: one adopts direct extrusion molding mode to make, and what most represented is double-wall corrugated pipe; Another kind makes in helically-wound shaped mode, and representative is that double-wall pipe, polyethylene spirally enwound structure-wall tubular product and ribbon spiral are wound around bellows etc.
Polyethylene spirally enwound structure-wall tubular product is hot technique entwining tube is main raw material(s) with high-density polyethylene resin, and adopt hot winding shaping process, the one made has special construction wall pipe.It is the suitable surface of continuous strand that the structural type of polyethylene spirally enwound structure-wall tubular product is generally inner wall layer, and outer wall layer is then for being coated with the spirality ribbed pipe of polypropylene backbone pipe; Or internal surface is smooth, outer surface is smooth, buries the tubing of screw type skeleton pipe in tube wall.At present, polyethylene spirally enwound structure-wall tubular product cross section structure is round structure substantially, fully can not meet the demand of water supply and sewage work.
In water supply and sewage work, pipe gallery, culvert and transmission conduit etc. are common construction works.Pipe gallery is also known as common trench, and it implements unified planning, design, construction and maintenance, is built in Urban Underground for laying the public utility of municipal public use pipeline.Culvert refers in highway engineering construction, in order to make highway do not blocked traffic by water channel smoothly, builds water draining pass below road surface (crossing water channel) under being located at roadbed, can be allowed below Shui Cong highway flow through by this structure.For crossing over natural cheuch depression excretion flood, or across the grade separation passage of size road as people, animal and vehicle, or field irrigation is as water channel.Culvert is primarily of barrel, basis, end and Ji Qiang etc.The general aperture of culvert is less, and shape has tubular, box-shaped and arch to become.Transmission conduit refers to from water source intake to water factory and the pipeline from water factory to water supply network or pipe duct, plays water delivery effect.
At present, pipe gallery, culvert and transmission conduit commonly use brick, stone, the materials such as concrete and reinforced concrete build up, for ease of construction and the need of production in later stage, it is shaped with the basis of plane usually, the pipe gallery of this kind of structure, there is complicated construction technique in culvert and transmission conduit, the problems such as length consuming time, at present, existing heavy caliber polyethylene material can be utilized in water supply and sewage work to substitute pipe gallery, the barrel part of culvert and transmission conduit, but existing polyvinyl piping materials cross section is mostly circular, there is pipe geometry and pipe gallery, culvert or transmission conduit incompatible, and the body bottom surface of circle is not easy to personnel's walking, therefore the problems such as staff's later stage intraductal operation are not easy to.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of polyethylene spirally enwound structure-wall heterotype tubing, it is applicable to the application in the water supply and sewage work such as culvert, transmission conduit, has and is convenient to install, facilitate the advantage of intraductal operation.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of polyethylene spirally enwound structure-wall heterotype tubing, comprise inner wall layer and outer wall layer, inner wall layer is by sheet shaped polyethylene material strip spiral winding and each adjacent material strip edge overlaps the continuous solid wall pipe merging and formed successively mutually, outer wall layer, for be formed by being wound in inner wall layer outer surface after the coated skeleton pipe of polyethylene material strip, is characterized in that: described inner wall layer comprises a straight substrate.
And described inner wall layer comprises a round and smooth top.
And the sectional shape of described inner wall layer is arch, semicircle, vertical elliptical shape, horizontal ellipse or many prismatics.
And described outer wall layer is that the overlap joint of this evagination stiffening rib spiral cross-pressure in each adjacent sheet shaped polyethylene material strip edge melts commissure by the evagination stiffening rib being wound in inner wall layer outer surface after the coated skeleton pipe of polyethylene material strip and being formed.
And described outer wall layer is closely be wound in by after the coated skeleton pipe of polyethylene material strip the outer wall layer that inner wall layer outer surface forms smooth outer surface.
Advantage of the present utility model and beneficial effect are:
1, polyethylene spirally enwound structure-wall heterotype tubing of the present utility model, its inner wall layer comprises a straight substrate, the sectional shape of inner wall layer is arch, semicircle, vertical elliptical shape, horizontal ellipse or many prismatics, be applicable to pipe gallery, culvert, application in the water supply and sewage work such as transmission conduit, as pipe gallery, culvert, the main body of transmission conduit, make it without the need to concrete construction, have and be convenient to install, shorten pipe gallery, culvert, the transmission conduit engineering time, save manpower and material resources, straight substrate simultaneously has the advantage facilitating intraductal operation.
2, polyethylene spirally enwound structure-wall heterotype tubing of the present utility model, inner wall layer comprises a round and smooth top, is arch, semicircle, vertical elliptical shape, horizontal ellipse, strengthens the ability that tubing bears external pressure.
3, polyethylene spirally enwound structure-wall heterotype tubing of the present utility model, which employs special-shaped drum die, can process heterotype tubing, have simple process, efficiency is high, and tubing intensity is high, and raw materials consumption is few, the cost of product is low, consumes and turn improves ring stiffness, ring flexibility and resistance to cracking.
Accompanying drawing explanation
Fig. 1 is the structural representation (outer wall layer is evagination stiffening rib) of heterotype tubing of the present utility model;
Fig. 2 is the structural representation (outer wall layer of smooth outer surface) of heterotype tubing of the present utility model;
Fig. 3 is the cross-sectional view of arch tubing of the present utility model;
Fig. 4 is the cross-sectional view of semicircle tubing tubing of the present utility model;
Fig. 5 is the cross-sectional view of vertical elliptical shape tubing of the present utility model;
Fig. 6 is the cross-sectional view of horizontal oval tubing of the present utility model;
Fig. 7 is the cross-sectional view of many prismatics tubing of the present utility model;
Fig. 8 is the schematic cross-section of arch drum die;
Fig. 9 is the sectional view of Fig. 8;
Figure 10 is semicircle drum die;
Figure 11 is vertical elliptical shape drum die;
Figure 12 is horizontal elliptical shaped cylinders mould;
Figure 13 is many prismatics drum die.
Description of reference numerals
1-inner wall layer, 2-outer wall layer, the outer wall layer of 3-smooth outer surface, 4-substrate, the top that 5-is round and smooth, 6-polyethylene material strip, 7-skeleton pipe, 8-sheet shaped polyethylene material strip, 9-arch tubing, the semicircle tubing of 10-, 11-vertical elliptical shape tubing, the horizontal oval tubing of 12-, 13-many prismatics tubing, 14-stuck-module, 15-stuck-module support, 16-bearing pin, 17-top movable module, 18-top movable module carrier, 19-demoulding connecting rod, 20-sidepiece active module, 21-demoulding pull bar, 22-sidepiece active module support, 23-demoulding main shaft, the flat bottom surface of 24-sidepiece active module, the flat bottom surface of 25-stuck-module, 26-axle sleeve, the semicircle drum die of 27-, 28-vertical elliptical shape drum die, the horizontal elliptical shaped cylinders mould of 29-, 30-many prismatics drum die.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of polyethylene spirally enwound structure-wall heterotype tubing, comprise inner wall layer 1 and outer wall layer 2, inner wall layer is by sheet shaped polyethylene material strip 8 spiral winding and each adjacent material strip edge overlaps the continuous solid wall pipe merging and formed successively mutually, outer wall layer is by the evagination stiffening rib being wound in inner wall layer outer surface after the coated skeleton pipe 7 of polyethylene material strip 6 and being formed, the overlap joint of this evagination stiffening rib spiral cross-pressure in each adjacent sheet shaped polyethylene material strip edge melts commissure, as shown in Figure 1.Or outer wall layer is closely be wound in by after the coated skeleton pipe of polyethylene material strip the outer wall layer 3 that inner wall layer outer surface forms smooth outer surface, as shown in Figure 2.
Its innovation is: inner wall layer comprises a straight substrate 4.And inner wall layer comprises a round and smooth top 5.The sectional shape of inner wall layer is arch, semicircle, vertical elliptical shape, horizontal ellipse, and as seen in figures 3-6, tubing is arch tubing 9, semicircle tubing 10, vertical elliptical shape tubing 11, horizontal oval tubing 12.Round and smooth top can strengthen tubing and hold measuring body ability.The sectional shape of inner wall layer can also be many prismatics, is illustrated in figure 7 many prismatics tubing 13.The tubing of many prismatics installs good stability, constructability.
The production method of polyethylene spirally enwound structure-wall heterotype tubing of the present utility model is:
(1), squeeze out sheet polyethylene tape with the first extruder, and be equidistantly wound in special-shaped drum die surface, and each adjacent ribbons edge overlaps fusion successively mutually, form the inner wall layer of continuous solid wall pipe structure, the outer mold wall of abnormity drum die comprises a straight bottom surface, and inner wall layer comprises a round and smooth top.
(2), adopt the second extruder to squeeze out polyethylene tape, after coated skeleton pipe, be equidistantly wound in inner wall layer outer surface; Make polyethylene tape coated skeleton pipe rear screw cross-pressure melt commissure in the overlap joint of each adjacent sheet shaped polyethylene strip edge, form the outer wall layer of evagination reinforcing rib structure; Or be closely wound in the outer wall layer that inner wall layer outer surface forms smooth outer surface after the coated skeleton pipe of polyethylene material strip.
(3), when making joint socket, skeleton pipe cuts off by cutting machine, the first extruder and the second extruder continue extruded polyethylene band be wound around make hold, socket;
(4), the inner wall layer of the tubing of demoulding formation comprises a straight substrate.
As shown in Figure 8; abnormity drum die is made up of outer mold wall and the mould emptier that is installed on outer mold wall inside; outer mold wall is made up of stuck-module 14 and two active modules; two active modules are respectively at stuck-module hinge dress and in the drive bed die interior deflector of mould emptier, outer mold wall comprises a straight bottom surface.The shape of cross section of mould is arch, semicircle, vertical elliptical shape, horizontal ellipse or many prismatics.
Active module is made up of top movable module 17 and sidepiece active module 20, flat bottom surface 24 is shaped with bottom sidepiece active module, flat bottom surface 25 is shaped with bottom stuck-module, the bottom of sidepiece active module and stuck-module is that dress is cut with scissors mutually in end, and the end of top movable module and an end of stuck-module are cut with scissors by bearing pin 16 and filled.
Mould emptier is by demoulding main shaft 23, stuck-module support 15, sidepiece active module support 22, top movable module carrier 18, demoulding pull bar 21, demoulding connecting rod 19 is formed, in stuck-module, one group of stuck-module support perpendicular to mold center's axle is installed, one group of sidepiece active module support perpendicular to mold center's axle is installed in sidepiece active module inside, top movable module inwall is fixedly mounted with one group of top movable module carrier perpendicular to mold center, the two ends of stuck-module support are fixedly mounted with axle sleeve 26, and the described demoulding main shaft of axially movable installation, this demoulding main shaft is installed the lower end of one group of demoulding pull bar, the free end of the upper end hinge dress top movable module carrier of this demoulding pull bar, the upper end of demoulding pull bar fills the free end of sidepiece interactive module support by demoulding connecting rod hinge.
Drive moving down of demoulding pull bar by moving axially of demoulding main shaft, thus drive sidepiece active module and top movable module free end internally to deflect, thus reduce the external diameter of drum die, realize fast demoulding.
Fig. 8 is arch drum die, and Figure 10 is semicircle drum die 27, Figure 11 be vertical elliptical shape drum die 28, Figure 12 be horizontal elliptical shaped cylinders mould 29, Figure 13 is many prismatics drum die 30.
Owing to adopting special-shaped drum die, polyethylene spirally enwound structure-wall tubular product of the present utility model presents the profile of bottom flat top arc transition on the whole, or many prismatics, to be suitable for the construction of culvert and transmission conduit.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (5)
1. a polyethylene spirally enwound structure-wall heterotype tubing, comprise inner wall layer and outer wall layer, inner wall layer is by sheet shaped polyethylene material strip spiral winding and each adjacent material strip edge overlaps the continuous solid wall pipe merging and formed successively mutually, outer wall layer, for be formed by being wound in inner wall layer outer surface after the coated skeleton pipe of polyethylene material strip, is characterized in that: described inner wall layer comprises a straight substrate.
2. polyethylene spirally enwound structure-wall heterotype tubing according to claim 1, is characterized in that: described inner wall layer comprises a round and smooth top.
3. polyethylene spirally enwound structure-wall heterotype tubing according to claim 1, is characterized in that: the sectional shape of described inner wall layer is arch, semicircle, vertical elliptical shape, horizontal ellipse or many prismatics.
4. polyethylene spirally enwound structure-wall heterotype tubing according to claim 1, it is characterized in that: described outer wall layer is that the overlap joint of this evagination stiffening rib spiral cross-pressure in each adjacent sheet shaped polyethylene material strip edge melts commissure by the evagination stiffening rib being wound in inner wall layer outer surface after the coated skeleton pipe of polyethylene material strip and being formed.
5. polyethylene spirally enwound structure-wall heterotype tubing according to claim 1, is characterized in that: described outer wall layer is closely be wound in by after the coated skeleton pipe of polyethylene material strip the outer wall layer that inner wall layer outer surface forms smooth outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520357571.0U CN205026244U (en) | 2015-05-28 | 2015-05-28 | Polyethylene winding arrangement wall dysmorphism tubular product |
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| CN201520357571.0U CN205026244U (en) | 2015-05-28 | 2015-05-28 | Polyethylene winding arrangement wall dysmorphism tubular product |
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| CN205026244U true CN205026244U (en) | 2016-02-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879579A (en) * | 2015-05-28 | 2015-09-02 | 天津业和科技有限公司 | Polyethylene special pipe with winding structure wall and production method of polyethylene special pipe |
| CN105673952A (en) * | 2016-04-18 | 2016-06-15 | 姜守信 | Special-shaped concrete pipeline for municipal wastewater |
-
2015
- 2015-05-28 CN CN201520357571.0U patent/CN205026244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879579A (en) * | 2015-05-28 | 2015-09-02 | 天津业和科技有限公司 | Polyethylene special pipe with winding structure wall and production method of polyethylene special pipe |
| CN105673952A (en) * | 2016-04-18 | 2016-06-15 | 姜守信 | Special-shaped concrete pipeline for municipal wastewater |
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