A kind of concrete hollowed pipes
The application for the applying date be that June 19, application number in 2003 are 03143176.3, name is called the dividing an application of application for a patent for invention of " a kind of concrete hollowed pipes ".
(1) technical field
The present invention relates to a kind of concrete hollowed pipes.
(2) background technology
At present, in the prior art, it is permanent core that cast-in-situ concrete hollow floor becomes pole, and as paper tube, plastic pipe, metal bellows, core light material etc., these tubular core molds or member mainly consider to find time concrete, reduce superstructure weight.It as the patent No. of applicant application " cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder " utility model patent of 99249755.8, it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, and horniness thin-walled tube cross section and plug shape can be circle, square, trapezoidal or other is special-shaped.This pipe has advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.But after being applied to cast-in-situ concrete hollow floor; because the tubulose concrete in the horniness thin-walled tube centre in the Cast-in-place Concrete Building Floor is found time; along pipe the Cast-in-place concrete rib arranged vertically; and laterally found time by core or member owing to steel bar concrete; only depend on two plugs to seal as the power transmission rib; therefore; can't bear the effect of complicated pulling force, pressure, shearing, moment of torsion etc.; the bigger situation of cast-in-place concrete cored two direction rigidity great disparities has appearred; and become the cast-in-situ reinforced concrete hollow one-way slabs, can't form well word rib equivalent transverse and longitudinal.Therefore, develop a kind of novel concrete hollowed pipes for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of concrete hollowed pipes, be applied to cast-in-situ concrete hollow floor after, can form two-way hollowcore slab, simultaneously, hollow section also has intensity height, non-frangibility, makes easily, characteristics such as cost is low, convenient construction and transport.
Solution of the present invention is on the basis of existing technology, comprise body and pipe end end socket, two pipe end end sockets form enclosed cavity with the shutoff of body two ends, it is characterized in that body is provided with at least one groove, be provided with at least one support draw piece in the groove, groove be arranged in parallel, wrap up in in body or the pipe end end socket at least one and contain reinforce, reinforce is reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece or cloth, metal foil band, porose thin band, have protruding nail to approach at least a in band, braid over braid or the strap.Like this, because body is provided with groove, Cast-in-place concrete can form cross rib in groove, thereby, cast-in-place concrete cored vertical cross stiffness difference significantly reduces, can form two-way hollowcore slab, improved the mechanical property of hollowcore slab greatly, simultaneously, owing to be provided with the support draw piece in the groove of hollow section, body is connected to each other, play a part to involve mutually, thereby, the intensity height of hollow section, rigidity is big, frangibility not, carrying is more convenient with construction, in addition, hollow section also has to be made easily, characteristics such as cost is low, thereby reach purpose of the present invention, be applicable to the hollow building cover of various cast-in-situ reinforced concretes or prestressed reinforced concrete, roof system, sole plate, body of wall or hollow bridges are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also described support draw piece is at least a in bar, pier, plate, sheet, rope or the piece.Like this, the variation of support draw piece material and structure can be satisfied the different designs requirement of product, and can be according to different needs, adopts reasonable manner to connect.As adopting web strap material and wood particle simultaneously as the support draw piece, be arranged in the groove, the metal foil band mainly plays a part to draw, and wood particle mainly plays support.
Feature of the present invention also be described support draw piece be hollow or solid or porous or compound support draw piece at least a.Like this, can be according to the design needs, corresponding employing support draw piece hollow or solid or porous rationally solves support and draws the reinforcing problem.
Feature of the present invention is that also described support draw piece is fixed or movable or detachably supports at least a in the draw piece.Like this, movable or dismountable support draw piece can be after hollow section installs, and dismounting is reclaimed, and both can prevent hollow section fracture or cracking, and recyclable again secondary uses, and reduces the cost of production of hollow section.
Feature of the present invention is also that described plural support draw piece is parallel, quadrature, oblique, grade separation or constitute grid or its combination.Like this, parallel, quadrature, oblique, grade separation or constitute grid or support draw piece that its combination is provided with, when hollow section was applied in the cast-in-situ concrete hollow floor, support draw piece and Cast-in-place concrete combined, can form cast-in-place and prefabricated composite construction, improve the stress performance of cast-in-situ concrete hollow floor greatly.
Feature of the present invention is that also described groove is for broadening gradually or suddenling change wide connected in star.Like this, when hollow section is applied in the cast-in-situ concrete hollow floor, concrete pour into broaden gradually or the wide connected in star that suddenlys change in, form the Cast-in-place concrete rib of various width, improved the mechanical property of cast-in-situ concrete hollow floor greatly.
Feature of the present invention is that also the reinforce in described body or the pipe end end socket at least one exposes outside the hollow section.
Feature of the present invention is that also the groove of described body or body is provided with at least one inner corner trim or chamfering.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete poured in inner corner trim or the chamfering, formed reinforcing rib at Cast-in-place concrete rib place, had increased substantially the supporting capacity of cast-in-situ concrete hollow floor.
Feature of the present invention is that also described inner corner trim or chamfering are arranged on the pipe end of body.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete poured in the inner corner trim or chamfering of pipe end, can form cast-in-place reinforced pier or muscle on main dark rib, had improved resistance to compression, the impact resistance of hollow cast slab, made its structure firmer.
Feature of the present invention also is described inner corner trim or chamfering and tubular axis heart line parallel, quadrature, oblique, grade separation or constitutes grid or its combination.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete poured in inner corner trim or the chamfering, formed reinforcement, can improve the comprehensive stress performance of cast-in-situ concrete hollow floor, satisfied the design and the function of use requirement of superstructure.
Feature of the present invention also is described inner corner trim, groove self or mutually orthogonal, parallel, oblique, grade separation or constitutes grid or its combination.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete poured in inner corner trim, the groove, can corresponding formation the cast-in-situ concrete structure of parallel each other or quadrature or oblique or grade separation, make Cast-in-place Concrete Building Floor have good stress performance.
Feature of the present invention is that also described groove is dark groove, and bottom land is tube wall, double-layer tube wall or thickening tube wall or hollow connection tubule.Like this, groove is dark groove, and bottom land is the structure of tube wall, double-layer tube wall or thickening tube wall or hollow connection tubule, alleviated the weight of hollow section self greatly, make transportation, install more convenient simple, simultaneously, the Cast-in-place concrete cross rib that forms in the dark groove is bigger, and its mechanical property is better.
Feature of the present invention also is to be provided with stiffener in the cavity of described body or exposes the outer stiffener of hollow section, and stiffener is at least a during stiffening rib, bracing boom, reinforcing rib or add wrung.Like this, when hollow section was applied in the Cast-in-place Concrete Building Floor, reinforcement that is provided with in the hollow section or the reinforcement that exposes can form cast-in-place and prefabricated composite construction with Cast-in-place concrete, optimized the inner stress system of superstructure.
Feature of the present invention is that also position, described stiffening rib place is along managing week or axially making the part or whole groove.Like this, when hollow section is applied in the cast-in-situ concrete hollow floor, concrete pours into position, stiffening rib place along in pipe week or the part of axially making or the whole grooves, combine with the stiffening rib in the hollow section, form Cast-in-place concrete and prefabricated stiffening rib structure combining, improved the mechanical property of cast-in-situ concrete hollow floor greatly.
Feature of the present invention also is to wrap up in the described stiffener and contains reinforce.Reinforce is reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece or cloth, metal foil band, porose thin band, have protruding nail to approach at least a in band, braid over braid or the strap.Like this, contain body, the pipe end end socket of reinforce, the intensity of stiffener has obtained improving greatly, simultaneously, the diversity of reinforce material, reinforce selects for use when being convenient to hollow section production, help reducing production costs, but also can improve the rupture strength and the rigidity of body, pipe end end socket, stiffener greatly, make it be not easy to fracture or damaged.
Feature of the present invention is that also the reinforce in described body, pipe end end socket or the stiffener at least one exposes outside the hollow section.
Feature of the present invention also is to be provided with the die cavity that the moulding of Cast-in-place concrete stiffener is used in the cavity of described body, has the uncovered or whole uncovered holes of part on the body at position, die cavity place, perhaps also has reinforce or support draw piece in the die cavity.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete can inject the uncovered or whole uncovered holes of part, forms Cast-in-place concrete stiffener or cross rib, has increased substantially the combination property of cast-in-situ concrete hollow floor.
Feature of the present invention is that also described at least one pipe end end socket is a stiffening rib.Like this, improve the survivability of hollow section pipe end end socket greatly, made hollow section have good whole.
Feature of the present invention also is in the described groove or body is provided with at least a in hole, pit, raised line or the projection.Like this, when hollow section is applied in the cast-in-situ concrete hollow floor, concrete pours in the groove or the hole that is provided with on the body, pit, raised line, projection in, the in-situ deposited prefabricated stiffener that combines of corresponding formation all styles of has improved the combination property of cast-in-situ concrete hollow floor.
Feature of the present invention also is to be provided with in the described groove at least one secondary groove.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, the concrete in the secondary groove can form the reinforcing rib on the cross rib that forms in the groove, thereby further improved the mechanical property of superstructure.
Feature of the present invention is that also the tube wall of described at least a portion body is thickening tube wall or the thickening tube wall that is extended with reinforce.Like this, the tube wall of hollow section is thickening tube wall or the thickening tube wall that is extended with reinforce, has improved resistance to compression, the impact resistance of hollow section greatly, makes it not fragile in transportation, construction, installation process, greatly reduces the breakage rate of hollow section.
Feature of the present invention is that also described groove is the space distance of standard-sized sheet mouth, in the distance of space the support draw piece is arranged.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, concrete poured in the distance of space, had formed the cast-in-place concrete hidden rib of complete perforation, had improved the supporting capacity of cast-in-situ concrete hollow floor.
Feature of the present invention is that also described body more than at least two is connected in parallel to each other or series connection or series-parallel connection, perhaps also has linkage between the body.Like this, body is connected in parallel to each other or series connection or series-parallel connection, perhaps also has the hollow section of linkage between the body, when its hollow section was applied in the cast-in-situ concrete hollow floor, it was fast to have a speed of application, the characteristics of high efficiency, simultaneously, installation specification has improved the quality of cast-in-situ concrete hollow floor.
Feature of the present invention is that also described body is provided with the locating structure of the location of being convenient to construct, and locating structure can be draw ring, drag hook, lacing wire, draws in the net, feet or other device.Like this, when hollow section was applied in the cast-in-situ concrete hollow floor, locating structure can prevent its come-up, displacement.
Feature of the present invention also is to have on the described body the outer frange plate of choosing.Like this, when hollow section is applied in the cast-in-situ concrete hollow floor, the outer frange plate of choosing on the hollow body, alternative engineering template has reduced spillage of material, simultaneously, because of having saved the template installation procedure, increased substantially speed of application, reduced the comprehensive cost of cast-in-situ concrete hollow floor.
Feature of the present invention is that also described body lateral separation or longitudinal separation more than at least two arranges, between link to each other by frange plate, constitute pipe fitting in groups.Like this, when hollow section is applied in the cast-in-situ concrete hollow floor, fast and the standard of hollow section assembly construction and installation speed, simultaneously, the outer frange plate of choosing on the hollow body, alternative engineering template, reduced spillage of material, because of having saved the template installation procedure, increased substantially speed of application, the corresponding comprehensive cost that reduces cast-in-situ concrete hollow floor.
Feature of the present invention is that also described body or groove are Cement fibre or Cement fibre net or cement gauze wire cloth body.Like this, the material variation of body or groove is drawn materials when being convenient to produce nearby, has reduced the cost of production of hollow section.
Feature of the present invention is that also described body is metal bellows or plastic film capicitor.Like this, body is plurality of advantages such as the hollow section itself of metal bellows or plastic film capicitor has intensity height, shock resistance, damage capability is strong, corrosion resistance is good, is applicable to the cast-in-situ concrete hollow floor of various different occasions.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is body, and 2 is the pipe end end socket, and 3 is enclosed cavity, and 4 is groove, and 5 are the support draw piece, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and its body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and diagram groove 4 is 4, and the support draw piece 5 that is provided with in each groove 4 is 2.
Fig. 2 is the structural representation of the embodiment of the invention 2, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its support draw piece 5 is hollow support draw piece.
Fig. 3 is the structural representation of the embodiment of the invention 3, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its support draw piece 5 is movable dismountable support idler arm.
Fig. 4 is the structural representation of the embodiment of the invention 4, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, the groove of its groove 4 for broadening gradually from down to up.
Fig. 5 is the structural representation of the embodiment of the invention 5, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with a plurality of inner corner trims 6 and chamfering 7 in the groove 4 on its body 1.
Fig. 6 is the structural representation of the embodiment of the invention 6, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its inner corner trim 6 and chamfering 7 are arranged on the pipe end of body 1.
Fig. 7 is the structural representation of the embodiment of the invention 7, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, support draw piece 5 is respectively metal foil band and wood particle, and its groove 4 is dark groove, bottom land is a double-layer tube wall, and perhaps double-layer tube wall has formed the tube wall of a bed thickness after superimposed.
Fig. 8 is the structural representation of the embodiment of the invention 8, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with stiffener 8 in the cavity 3 of its body 1, diagram stiffener 8 is a stiffening rib.
Fig. 9 is the structural representation of the embodiment of the invention 9, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, all wrap up in its pipe end end socket 2 and the stiffener 8 and contain reinforce 9, diagram reinforce 9 is a fleece.
Figure 10 is the structural representation of the embodiment of the invention 10, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, all wrap up in its body 1 and the pipe end end socket 2 and contain reinforce 9, diagram reinforce 9 is gauze wire cloth and metal foil band, and also exposing on the body 1 simultaneously has metal foil band reinforce 9.
Figure 11 is the structural representation of the embodiment of the invention 11, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with the die cavity 10 that 8 moulding of Cast-in-place concrete stiffener are used in the cavity 3 of its body 1, on the body 1 at position, die cavity 10 place, have the uncovered hole of part 11, support draw piece 5 in the die cavity in addition.
Figure 12 is the structural representation of the embodiment of the invention 12, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its pipe end end socket 2 is a stiffening rib 8.
Figure 13 is the structural representation of the embodiment of the invention 13, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, its body 1 is provided with the combination of hole 11, pit 12, raised line 13, projection 14.
Figure 14 is the structural representation of the embodiment of the invention 14, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and a secondary groove 4 is set in its groove 4.
Figure 15 is the structural representation of the embodiment of the invention 15, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and the bottom tube wall of its body 1 is the thickening tube wall.
Figure 16 is the structural representation of the embodiment of the invention 16, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, its groove 4 is the space distance of standard-sized sheet mouth, is provided with support draw piece 5 in the distance of space.
Figure 17 is the structural representation of the embodiment of the invention 17, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, the setting that is connected in parallel to each other of its two bodys 1, simultaneously, be provided with linkage 15 between the body 1.
Figure 18 is the structural representation of the embodiment of the invention 18, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, the bottom of its body 1 is provided with the locating structure 16 of the location of being convenient to construct, and illustrated position structure 16 is drag hook and feet.
Figure 19 is the structural representation of the embodiment of the invention 19, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and the outer frange plate of choosing 17 is arranged on its body 1.
Figure 20 is the structural representation of the embodiment of the invention 20, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, arrange its body 1 lateral separation, is connected by frange plate 17 between them, constitutes hollow section assembly in groups.
Figure 21 is the structural representation of the embodiment of the invention 21, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its body 1 is a metal bellows.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise body 1 and pipe end end socket 2, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, it is characterized in that body 1 is provided with at least one groove 4, be provided with at least one support draw piece 5 in the groove 4, groove 4 be arranged in parallel, wrap up in in body 1 or the pipe end end socket 2 at least one and contain reinforce 9, reinforce 9 for reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece or cloth, metal foil band, porose thin band, have protruding nail to approach at least a in band, braid over braid or the strap.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is body, and 2 is the pipe end end socket, and 3 is enclosed cavity, and 4 is groove, and 5 are the support draw piece, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and its body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and diagram groove 4 is 4, and the support draw piece 5 that is provided with in each groove 4 is 2.Figure 10 is the structural representation of the embodiment of the invention 10, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, all wrap up in its body 1 and the pipe end end socket 2 and contain reinforce 9, diagram reinforce 9 is gauze wire cloth and metal foil band, and groove 4 be arranged in parallel.
Feature of the present invention also is at least a in bar, pier, plate, sheet, rope or the piece of described support draw piece 5.As shown in Figure 1, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and diagram support draw piece 5 is a rod member.
Feature of the present invention also is at least a in hollow or solid or porous or the compound support draw piece of described support draw piece 5.Fig. 2 is the structural representation of the embodiment of the invention 2, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its support draw piece 5 is hollow support draw piece.
Feature of the present invention is that also described support draw piece 5 is for fixed or movable or detachably support at least a in the draw piece.Fig. 3 is the structural representation of the embodiment of the invention 3, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its support draw piece 5 is movable dismountable support idler arm.
Feature of the present invention is also that described plural support draw piece is 5 parallel, quadrature, oblique, grade separation or constitute grid or its combination.As shown in Figure 3, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, the setting parallel to each other of its support draw piece.
Feature of the present invention is that also described groove 4 is for broadening gradually or suddenling change wide connected in star.Fig. 4 is the structural representation of the embodiment of the invention 4, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, the groove of its groove 4 for broadening gradually from down to up.
Feature of the present invention is that also the reinforce 9 in described body 1 or the pipe end end socket 2 at least one exposes outside the hollow section.As shown in figure 10, also expose on the body 1 metal foil band reinforce 9 is arranged.
Feature of the present invention is that also the groove 4 of described body 1 or body 1 is provided with at least one inner corner trim 6 or chamfering 7.Fig. 5 is the structural representation of the embodiment of the invention 5, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with a plurality of inner corner trims 6 and chamfering 7 in the groove 4 on its body 1.
Feature of the present invention is that also described inner corner trim 6 or chamfering 7 are arranged on the pipe end of body 1.Fig. 6 is the structural representation of the embodiment of the invention 6, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its inner corner trim 6 and chamfering 7 are arranged on the pipe end of body 1.
Feature of the present invention also is described inner corner trim 6 or chamfering 7 and tubular axis heart line parallel, quadrature, oblique, grade separation or formation grid or its combination.As shown in Figure 6, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, its inner corner trim 6 and chamfering 7 and tubular axis heart line parallel or quadrature setting.
Feature of the present invention also is described inner corner trim 6, groove 4 self or mutually orthogonal, parallel, oblique, grade separation or constitutes grid or its combination.As shown in Figure 6, two pipe end end sockets 2 are body 1 two ends shutoff, form enclosed cavity 3, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its inner corner trim 6 and groove be 4 mutually orthogonal, be arranged in parallel.
Feature of the present invention is that also described groove 4 is dark groove, and bottom land is tube wall, double-layer tube wall or thickening tube wall or hollow connection tubule.Fig. 7 is the structural representation of the embodiment of the invention 7, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, support draw piece 5 is respectively metal foil band and wood particle, and its groove 4 is dark groove, bottom land is a double-layer tube wall, and perhaps double-layer tube wall has formed the tube wall of a bed thickness after superimposed.
Feature of the present invention also is to be provided with stiffener 8 in the cavity (3) of described body 1 or exposes the outer stiffener 8 of hollow section, and stiffener 8 is for stiffening rib, bracing boom, reinforcing rib or add at least a in wringing.Fig. 8 is the structural representation of the embodiment of the invention 8, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with stiffener 8 in the cavity 3 of its body 1, diagram stiffener 8 is a stiffening rib.
Feature of the present invention is that also position, described stiffening rib 8 place is along managing week or axially making the part or whole groove 4.As shown in Figure 8, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and week is made whole grooves 4 along pipe in its position, stiffening rib 8 place.
Feature of the present invention also is to wrap up in the described stiffener 8 and contains reinforce 9.Fig. 9 is the structural representation of the embodiment of the invention 9, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, all wrap up in its pipe end end socket 2 and the stiffener 8 and contain reinforce 9, diagram reinforce 9 is a fleece.
Feature of the present invention is that also the reinforce 9 in described body 1, pipe end end socket 2 or the stiffener 8 at least one exposes outside the hollow section.
Feature of the present invention also is to be provided with the die cavity 10 that 8 moulding of Cast-in-place concrete stiffener are used in the cavity 3 of described body 1, on the body 1 at position, die cavity 10 place, have the uncovered or whole uncovered holes 11 of part, perhaps also have reinforces 9 or support draw pieces 5 in the die cavity 10.Figure 11 is the structural representation of the embodiment of the invention 11, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, be provided with the die cavity 10 that 8 moulding of Cast-in-place concrete stiffener are used in the cavity 3 of its body 1, on the body 1 at position, die cavity 10 place, have the uncovered hole of part 11, support draw piece 5 in the die cavity in addition.
Feature of the present invention is that also described at least one pipe end end socket 2 is stiffening rib 8.Figure 12 is the structural representation of the embodiment of the invention 12, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its pipe end end socket 2 is a stiffening rib 8.
Feature of the present invention also is in the described groove 4 or body 1 is provided with at least a in hole 11, pit 12, raised line 13 or the projection 14.Figure 13 is the structural representation of the embodiment of the invention 13, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, its body 1 is provided with the combination of hole 11, pit 12, raised line 13, projection 14.
Feature of the present invention also is to be provided with in the described groove 4 at least one secondary groove 4.Figure 14 is the structural representation of the embodiment of the invention 14, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and a secondary groove 4 is set in its groove 4.
Feature of the present invention is that also the tube wall of described at least a portion body 1 is thickening tube wall or the thickening tube wall that is extended with reinforce 9.Figure 15 is the structural representation of the embodiment of the invention 15, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and the bottom tube wall of its body 1 is the thickening tube wall.
Feature of the present invention is that also described groove 4 is the space distance of standard-sized sheet mouth, and support draw piece 5 is arranged in the distance of space.Figure 16 is the structural representation of the embodiment of the invention 16, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, its groove 4 is the space distance of standard-sized sheet mouth, is provided with support draw piece 5 in the distance of space.
Feature of the present invention is that also described body 1 more than at least two is connected in parallel to each other or series connection or series-parallel connection, perhaps also has linkage 15 between the body 1.Figure 17 is the structural representation of the embodiment of the invention 17, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, the setting that is connected in parallel to each other of its two bodys 1, simultaneously, be provided with linkage 15 between the body 1.
Feature of the present invention is that also described body 1 is provided with the locating structure 16 of the location of being convenient to construct, and locating structure 16 can be draw ring, drag hook, lacing wire, draws in the net, feet or other device.Figure 18 is the structural representation of the embodiment of the invention 18, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, the bottom of its body 1 is provided with the locating structure 16 of the location of being convenient to construct, and illustrated position structure 16 is drag hook and feet.
Feature of the present invention also is to have on the described body 1 the outer frange plate of choosing 17.Figure 19 is the structural representation of the embodiment of the invention 19, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and the outer frange plate of choosing 17 is arranged on its body 1.
Feature of the present invention is that also described body 1 lateral separation or longitudinal separation more than at least two arranges, between link to each other by frange plate 17, constitute pipe fitting in groups.Figure 20 is the structural representation of the embodiment of the invention 20, two pipe end end sockets 2 are with body 1 two ends shutoff, form enclosed cavity 3, body 1 is provided with many grooves 4, be provided with a plurality of support draw pieces 5 in the groove 4, arrange its body 1 lateral separation, is connected by frange plate 17 between them, constitutes hollow section assembly in groups.
Feature of the present invention is that also described body 1 or groove 4 are Cement fibre or Cement fibre net or cement gauze wire cloth body.As shown in figure 19, two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its body 1 is the Cement fibre body.
Feature of the present invention is that also described body 1 is metal bellows or plastic film capicitor.Figure 21 is the structural representation of the embodiment of the invention 21, and two pipe end end sockets 2 form enclosed cavity 3 with body 1 two ends shutoff, and body 1 is provided with many grooves 4, is provided with a plurality of support draw pieces 5 in the groove 4, and its body 1 is a metal bellows.
During the invention process, the slurry of making (as concrete or cement mortar) is poured in the mould of band raised line, it is even, closely knit to pave, after treating the slurry setting and harden, the dismounting mould promptly obtains the open hollow pipe with groove 4, support draw piece 5, with prefabricated pipe end end socket 2 with seal the two ends shutoff of slurry with hollow section, maintenance promptly obtains the hollow section with groove 4, support draw piece 5 to stipulating the length of time then; Also can be when paving slurry, reinforces 9 such as laying fleece are in slurry, it is even, closely knit to pave, after treating the slurry setting and harden, the dismounting mould obtains the open hollow pipe with groove 4, support draw piece 5, with prefabricated pipe end end socket 2 with seal the two ends shutoff of slurry with hollow section, maintenance promptly obtains accompanying the band groove 4 of reinforce 9, the hollow section of support draw piece 5 to stipulating the length of time then.