CN107763323B - Steel corrugated pipe spliced by penetrating lap joint method - Google Patents
Steel corrugated pipe spliced by penetrating lap joint method Download PDFInfo
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- CN107763323B CN107763323B CN201711082171.3A CN201711082171A CN107763323B CN 107763323 B CN107763323 B CN 107763323B CN 201711082171 A CN201711082171 A CN 201711082171A CN 107763323 B CN107763323 B CN 107763323B
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- corrugated pipe
- corrugated
- circumferential
- pipe section
- taper sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 title claims description 27
- 238000010008 shearing Methods 0.000 claims abstract description 45
- 238000010586 diagram Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
- F16L9/06—Corrugated pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a steel corrugated pipe spliced by an alternate lap joint method, which comprises a plurality of corrugated pipe sections spliced along the axial direction, wherein each corrugated pipe section is formed by splicing a plurality of arc-shaped corrugated plates in a lap joint mode along the circumferential direction in sequence, the circumferential lap joint positions of two adjacent corrugated plates form a circumferential splicing double-layer part, one end of each corrugated plate of one corrugated pipe section is respectively inserted along the axial direction and fixedly clamped at one end of the corresponding circumferential splicing double-layer part of the adjacent other corrugated pipe section. The steel corrugated pipe overcomes the problems that in the prior art, the splicing tightness is poor, the rigidity and the strength cannot be guaranteed, and the like, the splicing mode is more reliable, the rigidity, the strength and the tightness of the corrugated pipe are effectively improved, meanwhile, the connection reliability is improved by adding the shearing-resistant taper sleeve group, and the bearing capacity of the pipe body is improved.
Description
Technical Field
The invention relates to the technical field of urban underground facilities, in particular to a steel corrugated pipe spliced by a penetration lap joint method.
Background
The steel corrugated pipe is widely applied to culverts in projects such as highways, railways, bridges, channels, retaining walls, various mine sites, roadway retaining wall supports and the like, and is particularly applied to the brand-new front edge field, namely urban pipe galleries.
The corrugated plate 90 for the steel corrugated pipe at present has the appearance shown in fig. 13, the plate width direction (the axial direction of the corrugated pipe 9) comprises quantitative wave numbers, the arc length of the corrugated plate 90 is fixed length, and a plurality of corrugated plates with certain arc lengths are lapped head and tail along the circumferential direction to form a section of circumferential corrugated pipe section.
At present, the corrugated plates of the same waveform (same wave crest and wave trough) in the width direction are generally buckled in the axial direction by adopting an inner-outer buckling mode to splice in the axial direction, as shown in fig. 12, namely, one section of spliced circumferential corrugated pipe forms an inner corrugated pipe 91, another section of spliced circumferential corrugated pipe adjacent to the inner corrugated pipe forms an outer corrugated pipe 92, one end of the inner corrugated pipe 91 is inserted into the inner side of the adjacent end of the outer corrugated pipe 92 and is connected with the inner side of the adjacent end by using bolts, the splicing forming is realized by deformation in the overlapping process between the corrugated plates in the tube body passing direction, for the corrugated plates of fixed waveform, the laminating degree of the inner layer and the outer layer of the corrugated pipe formed after buckling is not tight enough, a large gap is formed at the place where the corrugated plates are buckled mutually, the corrugated pipes cannot be avoided in design and manufacture, the corrugated pipes are not beneficial to form higher rigidity and strength, and the sealing performance is poor.
Meanwhile, as shown in fig. 14 and 15, in the lapping method, the inner corrugated pipe 91 and the outer corrugated pipe 92 which are axially adjacent are lapped and directly connected by using the bolts 93, the inner corrugated pipe 91 and the outer corrugated pipe 92 are also directly spliced in the circumferential direction by adopting the bolts 93, the bolts 93 are directly arranged in the through holes for connection and are clamped by nuts, the bolts 93 are often subjected to great shearing force by the friction force between plates during connection, the problem of easy shearing exists, the strength and the safety of the bolts 93 are reduced, and the connection performance is very unreliable.
Therefore, the inventor provides a steel corrugated pipe spliced by a penetration lap joint method by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.
Disclosure of Invention
The invention aims to provide a steel corrugated pipe spliced by an alternate splicing method, which solves the problems of poor splicing tightness, unsecured rigidity and strength and the like in the prior art.
The invention further aims to provide the steel corrugated pipe spliced by the insertion splicing method, and the connection reliability and the pipe bearing capacity are improved by adding the shearing-resistant taper sleeve group.
The invention aims to realize the steel corrugated pipe spliced by the insertion splicing method, which comprises a plurality of corrugated pipe sections spliced along the axial direction, wherein each corrugated pipe section is formed by splicing a plurality of corrugated plates which are arranged in an arc shape in a circumferential sequence in a lap joint manner, circumferential lap joints of two adjacent corrugated plates form a circumferential splicing double-layer part, one end of each corrugated plate of one corrugated pipe section is respectively inserted in the axial direction and fixedly clamped at one end of a corresponding circumferential splicing double-layer part of the other adjacent corrugated pipe section.
In a preferred embodiment of the present invention, two axially adjacent corrugated pipe sections are set to be a first corrugated pipe section and a second corrugated pipe section, one end of the first corrugated pipe section and one end of the adjacent second corrugated pipe section are arranged in an alternate lap joint manner, the corrugated plates forming the first corrugated pipe section are set to be first corrugated plates, the corrugated plates forming the second corrugated pipe section are set to be second corrugated plates, the number of the first corrugated plates is the same as that of the second corrugated plates, the circumferentially spliced double-layer portions of each second corrugated pipe section and the circumferentially spliced double-layer portions of the first corrugated pipe section are arranged in a circumferentially staggered manner, one end of each second corrugated plate is respectively inserted in an axial direction and fixedly clamped at one end of the corresponding circumferentially spliced double-layer portion of the first corrugated pipe section, one end of each second corrugated plate and one end of the corresponding circumferentially spliced double-layer portion of the first corrugated pipe section are bonded to form a first layer spliced portion, one end of each first corrugated plate is respectively inserted in an axial direction and fixedly clamped at one end of the corresponding circumferentially spliced double-layer portion of the second corrugated pipe section, and one end of each second corrugated plate is bonded to form a second layer spliced portion.
In a preferred embodiment of the present invention, the circumferential splicing double-layer portion is formed by overlapping circumferential ends of two adjacent corrugated plates in circumferential direction, a plurality of groups of connection through holes are axially arranged at intervals at the circumferential splicing double-layer portion, a shearing resistant taper sleeve group is arranged in each connection through hole in a penetrating manner, a penetrating bolt through hole is arranged on each shearing resistant taper sleeve group, a connecting bolt is arranged in each bolt through hole in a penetrating manner, and free ends of the connecting bolts are fixed through nuts.
In a preferred embodiment of the present invention, a plurality of groups of connection through holes are circumferentially arranged at intervals at the first three-layer splicing part, a shearing-resistant taper sleeve group is penetrated in each connection through hole, a through bolt via hole is arranged on the shearing-resistant taper sleeve group, a connecting bolt is penetrated in the bolt via hole, and the free end of each connecting bolt is fixed by a nut.
In a preferred embodiment of the present invention, a plurality of groups of connection through holes are circumferentially arranged at the second three-layer splicing portion at intervals, a shearing-resistant taper sleeve group is penetrated in each connection through hole, a through bolt via hole is arranged on the shearing-resistant taper sleeve group, a connecting bolt is penetrated in the bolt via hole, and the free end of each connecting bolt is fixed by a nut.
In a preferred embodiment of the present invention, an axial splicing double-layer portion is formed by bonding one end of the first corrugated plate and one end of the second corrugated plate adjacent to the first corrugated plate, a plurality of groups of connecting through holes are circumferentially arranged at intervals at the axial splicing double-layer portion, a shearing resistant taper sleeve group is arranged in each connecting through hole in a penetrating bolt through hole in a penetrating manner, and free ends of the connecting bolts are fixed by nuts.
In a preferred embodiment of the present invention, the shearing resistant taper sleeve set includes an outer taper sleeve and an inner taper sleeve capable of wedging with each other, an inner taper hole with a diameter tapered downward is provided in the outer taper sleeve, a through circumferential expansion slit is provided on a side wall of the outer taper sleeve, an outer taper portion capable of wedging with the inner taper hole in a matching manner is provided on an outer wall of the inner taper sleeve, an inner cavity of the inner taper sleeve forms the bolt via hole, an outer diameter size of the outer taper sleeve and a maximum outer diameter size of the inner taper sleeve are both the same as an inner diameter size of the connection via hole, and a length size of the shearing resistant taper sleeve set is matched with a length size of the connection via hole.
In a preferred embodiment of the present invention, the outer cone sleeve extends from the inner concave wall of the corrugated plate to the outer convex wall of the corrugated plate to penetrate the connection through hole, the inner cone sleeve extends from the outer convex wall of the corrugated plate to the inner concave wall of the corrugated plate to penetrate the connection through hole, and the outer cone portion of the inner cone sleeve penetrates and is wedged in the inner cone hole of the outer cone sleeve.
In a preferred embodiment of the invention, one end of the connecting bolt is positioned at the inner side of the concave wall of the corrugated plate and sleeved with a convex cushion block, the convex part of the convex cushion block props against the concave wall of the corrugated plate, and the end surface of the convex cushion block opposite to the convex part is arranged in a plane; the other end of the connecting bolt is positioned at the outer side of the outer convex wall of the corrugated plate and is sleeved with a concave cushion block, the concave part of the concave cushion block is propped against the outer convex wall of the corrugated plate, and the end face of the concave cushion block opposite to the concave part is arranged in a plane.
In a preferred embodiment of the invention, the cross section of the steel corrugated pipe spliced by the penetrating lap joint method is round, dustpan-shaped, horseshoe-shaped, arched or pear-shaped.
From the above, the steel corrugated pipe spliced by the penetrating lap joint method has the following beneficial effects:
The novel axial splicing method is used for the steel corrugated pipe spliced by the alternate lap joint method, the alternate lap joint method is adopted to replace an inner layer buckling method and an outer layer buckling method in the prior art, radial gaps between alternate lap joint corrugated plates are greatly reduced, the laminating degree is improved, the splicing mode is more reliable, and the rigidity, the strength and the sealing performance of the corrugated pipe are effectively improved; in the steel corrugated pipe spliced by the penetrating lap joint method, the shearing-resistant taper sleeve groups are additionally arranged in the connecting through holes at the circumferential splicing double-layer part and the axial splicing part of the corrugated plates of each corrugated pipe section, the connecting through holes are expanded outwards when the connecting bolts are pre-tightened, the screw rod parts of the connecting bolts are reliably protected radially, the shearing-resistant taper sleeve groups can improve the shearing resistance of the connecting bolts, the shearing-resistant taper sleeve groups can prevent the dislocation between the attached corrugated plates, the shearing-resistant taper sleeve groups can improve the reliability of the axial and circumferential splicing connection of each corrugated pipe section, and the bearing capacity of the pipe body is effectively improved; the steel corrugated pipe spliced by the alternate lap joint method has reliable axial and circumferential splicing, can form steel corrugated pipes with various cross-sectional shapes, and has wider application range.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
Fig. 1: the invention discloses a structural schematic diagram of a steel corrugated pipe spliced by a penetration lap joint method.
Fig. 2: a cross-sectional view of section a of fig. 1 at the axial splice of adjacent bellows sections.
Fig. 3: is a cross-sectional view at section B in fig. 1.
Fig. 4: an enlarged view of the position I in FIG. 3.
Fig. 5: an enlarged view at II in FIG. 3.
Fig. 6: an enlarged view at III in FIG. 3.
Fig. 7: the structure of the shear cone sleeve set is schematically shown.
Fig. 8: is a schematic structural view of the outer taper sleeve.
Fig. 9: is a schematic structural view of the inner taper sleeve.
Fig. 10: is a schematic structural diagram of the convex cushion block.
Fig. 11: is a schematic structural diagram of the concave cushion block.
Fig. 12: is a schematic cross-section view of the buckling position of the inner layer and the outer layer of the prior steel corrugated pipe.
Fig. 13: is a schematic structural diagram of the corrugated plate.
Fig. 14: is a connection schematic diagram of the prior double-layer plate structure.
Fig. 15: is a connection schematic diagram of the existing three-layer plate structure.
In the figure:
100. steel corrugated pipes spliced by an interpenetration lap joint method;
101. circumferentially splicing the double-layer parts; 102. axially splicing the double-layer parts;
1. a first bellows segment; 11. a first corrugated plate;
2. A second bellows segment; 21. a second corrugated plate;
31. A first three-layer splice; 32. a second three-layer splice;
40. A connecting through hole;
41. A shear-resistant taper sleeve group;
410. Bolt through holes;
411. An outer cone sleeve; 4111. an inner taper hole; 4112. a circumferential expansion slit;
412. An inner taper sleeve; 4121. an outer cone;
42. a connecting bolt;
43. A nut;
44. a convex cushion block;
45. A concave cushion block;
9. A bellows;
90. corrugated plates; 91. an inner corrugated pipe; 92. an outer corrugated tube; 93. and (5) a bolt.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 11, the present invention provides a steel corrugated pipe 100 spliced by an insertion splicing method, which comprises a plurality of corrugated pipe sections spliced along an axial direction, each corrugated pipe section is formed by splicing a plurality of corrugated plates arranged in an arc shape in a circumferential sequence in a lap joint manner, circumferential lap joints of two adjacent corrugated plates form a circumferential splicing double-layer part 101 (arranged along an axial direction of the corrugated pipe section), one end of each corrugated plate of one corrugated pipe section is respectively inserted along the axial direction and a fixing clip is arranged at one end of a corresponding circumferential splicing double-layer part of the other adjacent corrugated pipe section. The steel corrugated pipe 100 spliced by the alternate lap joint method adopts a novel axial splicing method, the alternate lap joint method is adopted to replace an inner layer and outer layer buckling method in the prior art, gaps in the radial direction (namely, the diameter direction of the cross section of the steel corrugated pipe) between the alternate lap joint corrugated plates are greatly reduced, the bonding degree is improved, the splicing mode is more reliable, and the rigidity, the strength and the sealing performance of the corrugated pipe are effectively improved.
Further, as shown in fig. 1 (in fig. 1, the section a is the cross section of the axial joint of two adjacent corrugated pipe sections, the section B is the longitudinal section along the axial direction of the corrugated pipe made of steel), two adjacent corrugated pipe sections are set to be a first corrugated pipe section 1 and a second corrugated pipe section 2, one end of the first corrugated pipe section 1 and one end of the adjacent second corrugated pipe section 2 are arranged in a penetrating lap joint manner, the corrugated plate forming the first corrugated pipe section 1 is set to be a first corrugated plate 11, the corrugated plate forming the second corrugated pipe section 2 is set to be a second corrugated plate 21, the number of the first corrugated plates is the same as that of the second corrugated plates, the circumferential joint bilayer parts of each second corrugated pipe section 2 and the circumferential joint bilayer parts of the first corrugated pipe section 1 are arranged in a circumferential staggered manner, one end of each second corrugated plate 21 is respectively inserted in the axial direction and fixedly clamped at one end of the corresponding circumferential joint bilayer part of the first corrugated pipe section 1, the distance between one end of the second corrugated plate 21 and one end of the circumferential joint bilayer part of the first corrugated pipe section 1 is 1-2 corrugated pipe section 11 (specific distance is determined according to the actual condition), the length between the corresponding first corrugated pipe section 1 and the corresponding to the circumferential joint bilayer part of each second corrugated pipe section 2 is arranged at the first end of the first corrugated pipe section 1 and the corresponding to be a fixed, the circumferential joint bilayer part of the first corrugated pipe section 1 is arranged at the corresponding to the circumferential joint bilayer part of the first end 11 is arranged at the corresponding one end of the circumferential joint bilayer part of the first corrugated pipe section 1 is 1, and the corresponding to the corresponding distance between the first corrugated pipe section 1 is fixed and the corresponding corrugated pipe section 1 is fixed, one end of each first corrugated plate 11 is attached to one end of the corresponding circumferential splicing bilayer part of the second corrugated pipe section 2 to form a second three-layer splicing part 32.
Further, as shown in fig. 5 and 7, the circumferential double-layer portion 101 is formed by overlapping circumferential end portions of two adjacent corrugated plates in the circumferential direction (the circumferential double-layer portion 101 of the first corrugated pipe section 1 is formed by overlapping circumferential end portions of two adjacent first corrugated plates 11 in the circumferential direction, the circumferential double-layer portion of the second corrugated pipe section 2 is formed by overlapping circumferential end portions of two adjacent second corrugated plates 21 in the circumferential direction), a plurality of groups of connecting through holes 40 are provided at the circumferential double-layer portion at intervals along the axial direction, the circumferential end portions of the two corrugated plates constituting the circumferential double-layer portion are provided with opposite through holes, the two through holes correspond to each other and are communicated to form the connecting through holes 40, a shear taper sleeve group 41 is provided in each connecting through hole 40, a through bolt through hole 410 is provided in each shear taper sleeve group 41, a connecting bolt 42 is provided in each bolt through hole in a penetrating manner, and the free end of each connecting bolt 42 is fixed by a nut 43.
Further, as shown in fig. 4 and 7, a plurality of groups of connecting through holes 40 are circumferentially arranged at intervals at the first three-layer splicing part 31, in this embodiment, two groups of connecting through holes 40 are circumferentially arranged at intervals at the first three-layer splicing part 31, that is, opposite through holes are arranged on two layers of the first corrugated plates 11 forming the first three-layer splicing part 31 and the second corrugated plates 21 sandwiched between the two layers of the first corrugated plates, and the three through holes correspond to and are communicated with each other to form the connecting through holes 40; the shearing resistant taper sleeve group 41 is penetrated in each connecting through hole 40, a through bolt through hole 410 is arranged on the shearing resistant taper sleeve group 41, the connecting bolts 42 are penetrated in the bolt through holes, and the free ends of the connecting bolts 42 are fixed through nuts 43.
Further, as shown in fig. 6 and 7, a plurality of groups of connecting through holes 40 are circumferentially arranged at intervals at the second three-layer splicing part 32, in this embodiment, two groups of connecting through holes 40 are circumferentially arranged at intervals at the second three-layer splicing part 32, that is, opposite through holes are arranged on both the two layers of second corrugated plates 21 forming the second three-layer splicing part 32 and the first corrugated plate 11 sandwiched between the two layers of second corrugated plates, and the three through holes correspond to and are communicated with each other to form the connecting through holes 40; the shearing resistant taper sleeve group 41 is penetrated in each connecting through hole 40, a through bolt through hole 410 is arranged on the shearing resistant taper sleeve group 41, the connecting bolts 42 are penetrated in the bolt through holes, and the free ends of the connecting bolts 42 are fixed through nuts 43.
Further, as shown in fig. 2 and 7, one end of the first corrugated pipe section 1 is inserted into one end of the second corrugated pipe section 2, and in this embodiment, the insertion distance is 1-2 corrugations, so that an axial splicing double-layer portion 102 (disposed along the circumferential direction of the corrugated pipe section) is formed by attaching one end of the first corrugated plate 11 to one end of the adjacent second corrugated plate 21, multiple groups of connecting through holes 40 are disposed at intervals along the circumferential direction at the axial splicing double-layer portion 102, a shearing resistant taper sleeve group 41 is inserted into each connecting through hole 40, through bolt through holes 410 are disposed on the shearing resistant taper sleeve group 41, connecting bolts 42 are inserted into the through bolt through holes, and free ends of the connecting bolts 42 are fixed by nuts 43.
In the steel corrugated pipe 100 spliced by the penetrating lap joint method, the shearing resistant taper sleeve group 41 is additionally arranged in the connecting through hole 40 of the circumferential splicing double-layer part 101 of each corrugated pipe section, the shearing resistant taper sleeve group 41 is additionally arranged in the connecting through hole 40 of the axial splicing part (the first three-layer splicing part 31, the second three-layer splicing part 32 and the axial splicing double-layer part 102) of each corrugated pipe section, the connecting through hole 40 is expanded and tightly connected by the outer expansion of the shearing resistant taper sleeve group 41 when the connecting bolt 42 is pre-tightened, the screw part of the connecting bolt 42 obtains reliable radial protection of the shearing resistant taper sleeve group 41, the shearing resistant taper sleeve group 41 can improve the shearing resistant performance of the connecting bolt 42, the shearing resistant taper sleeve group 41 can prevent dislocation between attached corrugated plates, the shearing resistant taper sleeve group 41 can improve the reliability of axial and circumferential splicing connection of each corrugated pipe section, and effectively improve the bearing capacity of a pipe body.
Further, as shown in fig. 4 to 9, the shear-resistant cone sleeve group 41 includes an outer cone sleeve 411 and an inner cone sleeve 412 which can be wedged with each other, an inner cone hole 4111 with a diameter tapered downwards is arranged in the outer cone sleeve 411, a through circumferential expansion slit 4112 is arranged on the side wall of the outer cone sleeve 411, an outer cone portion 4121 which can be matched and wedged with the inner cone hole 4111 is arranged on the outer wall of the inner cone sleeve 412, the inner cavity of the inner cone sleeve 412 forms a bolt through hole 410, the outer diameter size of the outer cone sleeve 411 and the maximum outer diameter size of the inner cone sleeve 412 are both set to be the same as the inner diameter size of the connecting through hole 40, and the length size of the shear-resistant cone sleeve group 41 is set to be matched with the length size of the connecting through hole 40. The wedging requirement of the inner taper sleeve 412 and the outer taper sleeve 411 can be met by the circumferential expansion slit 4112, the connecting bolt 42 is arranged in the bolt through hole of the shear taper sleeve group 41 in a penetrating mode, the connecting through hole 40 is expanded outwards by the outer taper sleeve 411 when the connecting bolt 42 is pre-tightened due to the existence of the circumferential expansion slit 4112, a screw part (in the prior art) of the connecting bolt 42 is reliably protected from radial (in the diameter direction of the cross section of the screw part), and the shear resistance of the connecting bolt 42 can be improved by the shear taper sleeve group 41, so that the reliability of connection is improved.
Further, as shown in fig. 4,5 and 6, in an embodiment of the present invention, the outer cone 411 extends from the inner concave wall of the corrugated plate to the outer convex wall of the corrugated plate to penetrate into the connection through hole 40, the inner cone 412 extends from the outer convex wall of the corrugated plate to the inner concave wall of the corrugated plate to penetrate into the connection through hole 40, and the outer cone of the inner cone 412 penetrates into and is wedged in the inner cone hole 4111 of the outer cone 411. The penetrating directions of the outer cone sleeve 411 and the inner cone sleeve 412 can be adjusted so as to be convenient for installation.
Further, as shown in fig. 4, 5, 6, 10 and 11, in a specific embodiment of the present invention, a convex pad 44 is sleeved at an inner side of the concave wall of the corrugated plate at one end of the connecting bolt 42, the convex portion of the convex pad 44 abuts against the concave wall of the corrugated plate, the end surface of the convex pad 44 opposite to the convex portion is arranged in a plane, and the head end surface of the connecting bolt 42 abuts against the plane end surface through an elastic washer; the other end of the connecting bolt 42 is positioned at the outer side of the outer convex wall of the corrugated plate and sleeved with a concave cushion block 45, the concave part of the concave cushion block 45 is propped against the outer convex wall of the corrugated plate, and the end surface of the concave cushion block 45 opposite to the concave part is arranged in a plane. In the present embodiment, one end of each nut 43 abuts against the end face of the concave pad 45 opposite to the convex portion. The convex cushion blocks 44 and the concave cushion blocks 45 enable the heads of the connecting bolts 42, the nuts 43 and the corrugated plates to be stably and reliably propped against each other, so that the connecting bolts 42 can be stably and reliably connected with the corrugated plates.
Further, the steel corrugated pipe 100 spliced by the interpenetration lap joint method adopts an axial splicing method of interpenetration lap joint, the spliced parts of adjacent corrugated pipe sections are more closely attached, the axial splicing is reliable, different shapes can be enclosed due to different curvature radiuses and lap joint positions of corrugated pipes, and the cross section of the steel corrugated pipe spliced by the interpenetration lap joint method can be in a circular shape, a dustpan shape, a horseshoe shape, an arch shape or a pear shape.
From the above, the steel corrugated pipe spliced by the penetrating lap joint method has the following beneficial effects:
The novel axial splicing method is used for the steel corrugated pipe spliced by the alternate lap joint method, the alternate lap joint method is adopted to replace an inner layer buckling method and an outer layer buckling method in the prior art, radial gaps between alternate lap joint corrugated plates are greatly reduced, the laminating degree is improved, the splicing mode is more reliable, and the rigidity, the strength and the sealing performance of the corrugated pipe are effectively improved; in the steel corrugated pipe spliced by the penetrating lap joint method, the shearing-resistant taper sleeve groups are additionally arranged in the connecting through holes at the circumferential splicing double-layer part and the axial splicing part of the corrugated plates of each corrugated pipe section, the connecting through holes are expanded outwards when the connecting bolts are pre-tightened, the screw rod parts of the connecting bolts are reliably protected radially, the shearing-resistant taper sleeve groups can improve the shearing resistance of the connecting bolts, the shearing-resistant taper sleeve groups can prevent the dislocation between the attached corrugated plates, the shearing-resistant taper sleeve groups can improve the reliability of the axial and circumferential splicing connection of each corrugated pipe section, and the bearing capacity of the pipe body is effectively improved; the steel corrugated pipe spliced by the alternate lap joint method has reliable axial and circumferential splicing, can form steel corrugated pipes with various cross-sectional shapes, and has wider application range.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention.
Claims (10)
1. The utility model provides a with alternate corrugated pipe of overlap joint method concatenation, includes a plurality of corrugated pipe sections of follow axial concatenation, each corrugated pipe section is formed by a plurality of buckled plates that are the arc setting along the overlap joint of circumference order, and the circumference overlap joint department of two adjacent buckled plates constitutes circumference concatenation bilayer portion, its characterized in that, one corrugated pipe section's each buckled plate's one end inserts respectively along the axial and the fixation clamp locates adjacent another corrugated pipe section's one end of corresponding circumference concatenation bilayer portion.
2. The steel corrugated pipe spliced by the alternate lap joint method according to claim 1, wherein two corrugated pipe sections adjacent in the axial direction are set to be a first corrugated pipe section and a second corrugated pipe section, one end of the first corrugated pipe section and one end of the adjacent second corrugated pipe section are set to be alternate lap joint splicing arrangement, corrugated plates forming the first corrugated pipe section are set to be first corrugated plates, corrugated plates forming the second corrugated pipe section are set to be second corrugated plates, the number of the first corrugated plates is the same as that of the second corrugated plates, the circumferential splicing double-layer parts of the second corrugated pipe section and the circumferential splicing double-layer parts of the first corrugated pipe section are arranged in a circumferential staggered manner, one end of each second corrugated plate is inserted in the axial direction and fixedly clamped at one end of the corresponding circumferential splicing double-layer part of the first corrugated pipe section, one end of each second corrugated plate and one end of the corresponding circumferential splicing double-layer part of the first corrugated pipe section are attached to form a first three-layer splicing part, one end of each first corrugated plate is inserted in the axial direction and fixedly clamped at one end of the corresponding circumferential splicing double-layer part of the second corrugated pipe section respectively, and each first end of the corresponding corrugated pipe section and each first end of the corresponding two-layer splicing part of the first corrugated pipe section is attached to each first end of the circumferential splicing double-layer.
3. The steel corrugated pipe spliced by the penetrating lap joint method according to claim 2, wherein the circumferential splicing double-layer portion is formed by overlapping circumferential end portions of two adjacent corrugated plates in the circumferential direction, a plurality of groups of connecting through holes are formed in the circumferential splicing double-layer portion at intervals along the axial direction, shearing resistant taper sleeve groups are arranged in the connecting through holes in a penetrating mode, bolt through holes are formed in the shearing resistant taper sleeve groups in a penetrating mode, connecting bolts are arranged in the bolt through holes in a penetrating mode, and free ends of the connecting bolts are fixed through nuts.
4. The steel corrugated pipe spliced by the penetrating lap joint method according to claim 2, wherein a plurality of groups of connecting through holes are arranged at the first three-layer splicing part along the circumferential direction at intervals, a shearing resistant taper sleeve group is penetrated in each connecting through hole, a through bolt through hole is arranged on each shearing resistant taper sleeve group, connecting bolts penetrate through the through holes, and the free ends of the connecting bolts are fixed through nuts.
5. The steel corrugated pipe spliced by the penetrating lap joint method according to claim 2, wherein a plurality of groups of connecting through holes are arranged at the second three-layer splicing part along the circumferential direction at intervals, a shearing resistant taper sleeve group is penetrated in each connecting through hole, a through bolt through hole is arranged on each shearing resistant taper sleeve group, connecting bolts penetrate through the through holes, and the free ends of the connecting bolts are fixed through nuts.
6. The steel corrugated pipe spliced by the penetrating lap joint method according to claim 2, wherein one end of the first corrugated plate is attached to one end of the second corrugated plate adjacent to the first corrugated plate to form an axial splicing double-layer portion, a plurality of groups of connecting through holes are formed in the axial splicing double-layer portion at intervals along the circumferential direction, shearing resistant taper sleeve groups are arranged in the connecting through holes in a penetrating mode, through bolt through holes are formed in the shearing resistant taper sleeve groups in a penetrating mode, connecting bolts penetrate through the through holes, and free ends of the connecting bolts are fixed through nuts.
7. The steel corrugated pipe spliced by the alternate lap joint method according to any one of claims 3 to 6, wherein the shear-resistant taper sleeve group comprises an outer taper sleeve and an inner taper sleeve which can be mutually wedged, an inner taper hole with a downward tapered diameter is arranged in the outer taper sleeve, a through circumferential expansion slit is arranged on the side wall of the outer taper sleeve, an outer taper part which can be matched and wedged with the inner taper hole is arranged on the outer wall of the inner taper sleeve, the inner cavity of the inner taper sleeve forms the bolt through hole, the outer diameter size of the outer taper sleeve and the maximum outer diameter size of the inner taper sleeve are both the same as the inner diameter size of the connecting through hole, and the length size of the shear-resistant taper sleeve group is matched with the length size of the connecting through hole.
8. The steel corrugated pipe spliced by the alternate lap joint method according to claim 7, wherein the outer cone sleeve extends from the inner concave wall of the corrugated plate to the outer convex wall of the corrugated plate to penetrate the connecting through hole, the inner cone sleeve extends from the outer convex wall of the corrugated plate to the inner concave wall of the corrugated plate to penetrate the connecting through hole, and the outer cone portion of the inner cone sleeve penetrates and is wedged in the inner cone hole of the outer cone sleeve.
9. The steel corrugated pipe spliced by the penetrating lap joint method according to claim 7, wherein one end of the connecting bolt is sleeved with a convex cushion block at the inner side of the concave wall of the corrugated plate, the convex part of the convex cushion block is propped against the concave wall of the corrugated plate, and the end surface of the convex cushion block opposite to the convex part is arranged in a plane; the other end of the connecting bolt is positioned at the outer side of the outer convex wall of the corrugated plate and is sleeved with a concave cushion block, the concave part of the concave cushion block is propped against the outer convex wall of the corrugated plate, and the end face of the concave cushion block opposite to the concave part is arranged in a plane.
10. The steel corrugated pipe spliced by the alternate lapping method according to claim 1, wherein the cross section of the steel corrugated pipe spliced by the alternate lapping method is round, dustpan-shaped, horseshoe-shaped, arched or pear-shaped.
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| CN201711082171.3A CN107763323B (en) | 2017-11-07 | 2017-11-07 | Steel corrugated pipe spliced by penetrating lap joint method |
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| CN201711082171.3A CN107763323B (en) | 2017-11-07 | 2017-11-07 | Steel corrugated pipe spliced by penetrating lap joint method |
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| CN107763323B true CN107763323B (en) | 2024-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111926724B (en) * | 2020-06-30 | 2022-04-08 | 中船重工海为郑州高科技有限公司 | Pin-connected panel steel corrugated pipe culvert |
| CN112664261B (en) * | 2020-12-29 | 2023-04-28 | 天津润木科技有限公司 | High-strength escape pipe convenient to socket and spigot joint and fix |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459614U (en) * | 2009-07-22 | 2010-05-12 | 张峰 | Split type steel corrugated culvert pipe |
| KR100973770B1 (en) * | 2010-05-27 | 2010-08-04 | 대지종건(주) | Non-excavation type constructed tunnels and conduits using arc-shaped divided segments and its construccting methods thereof |
| CN105803955A (en) * | 2014-12-31 | 2016-07-27 | 重庆大丰交通设施制造有限公司 | Assembled steel corrugated pipe culvert |
| CN207569386U (en) * | 2017-11-07 | 2018-07-03 | 北京京诚之星科技开发有限公司 | The steel corrugated pipe spliced with interspersed splicing processes |
-
2017
- 2017-11-07 CN CN201711082171.3A patent/CN107763323B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459614U (en) * | 2009-07-22 | 2010-05-12 | 张峰 | Split type steel corrugated culvert pipe |
| KR100973770B1 (en) * | 2010-05-27 | 2010-08-04 | 대지종건(주) | Non-excavation type constructed tunnels and conduits using arc-shaped divided segments and its construccting methods thereof |
| CN105803955A (en) * | 2014-12-31 | 2016-07-27 | 重庆大丰交通设施制造有限公司 | Assembled steel corrugated pipe culvert |
| CN207569386U (en) * | 2017-11-07 | 2018-07-03 | 北京京诚之星科技开发有限公司 | The steel corrugated pipe spliced with interspersed splicing processes |
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