Big-canopy framework steel-plastics composite pipe and production method thereof
Technical field
The present invention relates to a kind of steel-plastics composite pipe, also relate to the production method of this steel-plastics composite pipe.
Background technology
At first, green house of vegetables, the skeleton of culturing booth etc. generally adopt traditional bamboo pole, rod, but bamboo pole, rod intensity are low, corrosion-resistant, and service life is short, the maintenance cost height; Along with the development and the popularization of booth technology, use steel pipe and pvc pipe to replace bamboo pole, rod gradually, but some old problems exist already, have also supervened some new problems, steel pipe corrosion-resistant, price height; Pvc pipe rigidity, intensity are low; Adopted materials such as inorganic glass-fiber reinforced plastic to do big-canopy framework more afterwards, but still there is problems such as costing an arm and a leg, install inconvenience in FRIMs etc.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of corrosion resistance is strong, intensity is big, the big-canopy framework steel-plastics composite pipe of simple and long service life is installed.
For solving the problems of the technologies described above, technical scheme of the present invention is: the big-canopy framework steel-plastics composite pipe, comprise that ecto-entad is sleeved on outer layer plastic tube, middle level steel pipe and inner layer plastic tube together successively, be equipped with on the steel pipe of described middle level that the outer end is resisted against described outer layer plastic inside pipe wall, inner end is resisted against the inner and outer pipes bracing or strutting arrangement on the described inner layer plastic tube outer wall, be filled with the filler that described outer layer plastic tube, described middle level steel pipe and described inner layer plastic tube are tightened together between described outer layer plastic tube and the described inner layer plastic tube.
As a kind of optimized technical scheme, described inner and outer pipes bracing or strutting arrangement comprises and is fixedly mounted on the inner and outer pipes supporting pin that is circumferential distribution on the steel pipe walls of described middle level.
As a kind of optimized technical scheme, described outer layer plastic tube and described inner layer plastic tube are modification UPVC pipe or other plastic tubes.
As a kind of optimized technical scheme, described filler is the magnesite modification material.
Owing to adopted technique scheme, the big-canopy framework steel-plastics composite pipe, comprise that ecto-entad is sleeved on outer layer plastic tube, middle level steel pipe and inner layer plastic tube together successively, be equipped with on the steel pipe of described middle level that the outer end is resisted against described outer layer plastic inside pipe wall, inner end is resisted against the inner and outer pipes bracing or strutting arrangement on the described inner layer plastic tube outer wall, be filled with the filler that described outer layer plastic tube, described middle level steel pipe and described inner layer plastic tube are tightened together between described outer layer plastic tube and the described inner layer plastic tube; Inner and outer pipes adopts plastic tube, pour into a mould filler between the inner and outer pipes, interior pipe, middle pipe and outer tube are tightened together, bracing or strutting arrangement between the inner and outer pipes has guaranteed the relative position relation between three pipes, steel pipe is between inner and outer pipes, do not contact, can avoid acid and alkali corrosion, and steel pipe can guarantee the rigidity of multiple tube with air; This multiple tube corrosion resistance is strong, and rigidity is big, long service life.
Another technical problem to be solved by this invention provides a kind of method of producing big-canopy framework with steel-plastics composite pipe.
For solving the problems of the technologies described above, technical scheme of the present invention is: big-canopy framework comprises the steps: with the production method of steel-plastics composite pipe
Step 1:, be steel pipe by welding fabrication then with the steel band cans;
Step 2: according to the size of big-canopy framework to steel pipe blanking, boring;
Step 3: the inner and outer pipes bracing or strutting arrangement is installed on the steel pipe of middle level;
Step 4: suit outer layer plastic tube outside middle level steel pipe and inner and outer pipes bracing or strutting arrangement, suit inner layer plastic tube in middle level steel pipe and inner and outer pipes bracing or strutting arrangement;
Step 5: to pouring liquid filler between outer layer plastic tube and the middle level steel pipe, between inner layer plastic tube and the middle level steel pipe, cooled and solidified, and product carried out shaping.
As a kind of optimized technical scheme, in step 3, described inner and outer pipes bracing or strutting arrangement is the inner and outer pipes supporting pin, when being installed to described inner and outer pipes supporting pin on the steel pipe of described middle level, at first on middle steel pipe, radially get out and the same number of pin installing hole of described inner and outer pipes supporting pin, then described inner and outer pipes supporting pin is installed in the described pin installing hole.
Owing to adopted technique scheme, after the curling butt joint of steel band, formed steel pipe, steel pipe good leak tightness by solder joint; After middle level steel pipe, inner and outer pipes bracing or strutting arrangement, inner layer plastic tube and the assembling of intercellar layer plastics pipe, pouring liquid filler between inner layer plastic tube and outer layer plastic tube, cooled and solidified then, filler tightens together three layers of pipe, can increase the rigidity and the elastic force of multiple tube.
Description of drawings
Fig. 1 is the cutaway view of the embodiment of the invention;
Fig. 2 is an embodiment of the invention tomography schematic diagram;
Among the figure: the 1-outer layer plastic tube; 2-middle level steel pipe; The 3-inner layer plastic tube; 4-inner and outer pipes supporting pin; The 5-filler.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only some one exemplary embodiment of the present invention has been described by the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
As depicted in figs. 1 and 2, the big-canopy framework steel-plastics composite pipe, comprise that ecto-entad is sleeved on outer layer plastic tube 1, middle level steel pipe 2 and inner layer plastic tube 3 together successively, described outer layer plastic tube 1 and described inner layer plastic tube 3 are modification UPVC (RPVC) pipe, hard polyethylene chloride tube has very strong resistance to acids and bases, be difficult for wearing out long service life; The outer end is installed on the described middle level steel pipe 2 is resisted against described outer layer plastic tube 1 inwall, inner end is resisted against the inner and outer pipes bracing or strutting arrangement on described inner layer plastic tube 3 outer walls, described inner and outer pipes bracing or strutting arrangement comprises and is fixedly mounted on the inner and outer pipes supporting pin 4 that is circumferential distribution on steel pipe 2 walls of described middle level, the quantity of inner and outer pipes supporting pin 4 can axially be provided with three or four along middle level steel pipe 2 walls, also can be more a plurality of, to satisfy instructions for use is target, axial direction along multiple tube, two groups of inner and outer pipes supporting pins 4 are set on middle level steel pipe 2 at least, one group of inner and outer pipes supporting pin 4 is to be positioned on a certain cross section of described multiple tube radially-arranged three, four or more a plurality of inner and outer pipes supporting pin 4 are one group; Inner and outer pipes supporting pin 4 can guarantee the relative position relation between outer layer plastic tube 1 and middle level steel pipe 2, middle level steel pipe 2 and the inner layer plastic tube 3; Be filled with the filler 5 that described outer layer plastic tube 1, described middle level steel pipe 2 and described inner layer plastic tube 3 are tightened together between described outer layer plastic tube 1 and the described inner layer plastic tube 3; Described filler 5 is the magnesite modification material, specifically, stirs into pasty state liquid with acid-fast alkali-proof magnesite modification material and solution by formula rate.
Big-canopy framework comprises the steps: with the production method of steel-plastics composite pipe
Step 1:, be steel pipe by welding fabrication then with the steel band cans;
Step 2: according to the size of big-canopy framework to steel pipe blanking, boring;
Step 3: the inner and outer pipes bracing or strutting arrangement is installed on middle level steel pipe 2, described inner and outer pipes bracing or strutting arrangement is an inner and outer pipes supporting pin 4, when being installed to described inner and outer pipes supporting pin 4 on the described middle level steel pipe 2, at first on middle steel pipe, radially get out and described inner and outer pipes supporting pin 4 the same number of pin installing holes, then described inner and outer pipes supporting pin 4 is installed in the described pin installing hole;
Step 4: suit outer layer plastic tube 1 outside middle level steel pipe 2 and inner and outer pipes bracing or strutting arrangement, suit inner layer plastic tube 3 in middle level steel pipe 2 and inner and outer pipes bracing or strutting arrangement;
Step 5: to pouring liquid filler 5 between outer layer plastic tube 1 and the middle level steel pipe 2, between inner layer plastic tube 3 and the middle level steel pipe 2, cooled and solidified, and product carried out shaping.
Liquid filler 5 is after cooled and solidified between inner layer plastic tube 3 and the outer layer plastic tube 1, filler 5 is fixed on inner and outer pipes supporting pin 4 between the middle level steel pipe 2, like this, inner and outer pipes supporting pin 4 not only can guarantee outer layer plastic tube 1, middle level steel pipe 2 and inner layer plastic tube 3 relative position relation each other, can also play the effect of filler 5 reinforcements, increase the intensity of multiple tube.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.