CN107386459B - Connecting piece and method for butt joint and support of steel pipes - Google Patents

Connecting piece and method for butt joint and support of steel pipes Download PDF

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Publication number
CN107386459B
CN107386459B CN201710579592.0A CN201710579592A CN107386459B CN 107386459 B CN107386459 B CN 107386459B CN 201710579592 A CN201710579592 A CN 201710579592A CN 107386459 B CN107386459 B CN 107386459B
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China
Prior art keywords
butt joint
steel pipe
width
inserting plate
steel
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CN201710579592.0A
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Chinese (zh)
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CN107386459A (en
Inventor
邱白晶
石硕
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Jiangsu University
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Jiangsu University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2415Brackets, gussets, joining plates
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2421Socket type connectors

Abstract

The invention relates to butt joint and support of steel pipes, and aims to provide a connecting piece and a method for butt joint and support of a monorail steel pipe. The invention comprises a first steel pipe, a second steel pipe, a supporting pipe, an inserting plate and a base plate, wherein two ends of the inserting plate are respectively embedded into axial grooves of two butted steel pipes for fixedly connecting, the base plate is inserted into a gap at two sides, and the supporting pipe is inserted into a bottom groove at the butted position. The two steel pipes are fixedly connected through the inserting plate, various internal forces such as axial force, bending moment, torque and the like can be effectively transmitted, the connection of the supporting pipes is combined with the butt joint of the steel pipes, the construction is convenient and safe, the process is simple, the connection quality is not dependent on the technical level of welding workers, and the hidden danger of fire can be avoided without a welding butt joint mode.

Description

Connecting piece and method for butt joint and support of steel pipes
Technical Field
The invention relates to butt joint and support of steel pipes, in particular to a butt joint piece and a butt joint method for butt joint and support of a monorail steel pipe.
Background
At present, the support of the steel pipes usually uses welding technology, and the types of the axial connection between the steel pipes are generally used as follows:
(1) welding: firstly, respectively forming an inclined groove at the butt joint of two steel pipes, and then welding;
(2) flange connection type: firstly, welding a flange plate at the butt joint of two steel pipes respectively, and then connecting the two steel pipes by high-strength bolts.
The welding type has the advantages of good structural integrity and the defects of high dependence of welding quality control on the technical level of an operator and easy induction of potential safety hazards; the flange connection type has the advantages of avoiding the defects of the welding type, but also has the defects of the flange connection type: the flange plate has a larger diameter than the steel pipe, and the formed projecting edge with a larger size can influence the arrangement of other mechanisms and the aesthetic appearance of the whole structure.
Disclosure of Invention
In order to solve the problems of potential safety hazards and overlarge size of a connecting part in the welding technology in the background technology, the invention aims to provide a connecting piece and a method for butt joint and support of a monorail steel pipe.
In order to solve the technical problem, the solution of the invention is as follows:
the connecting piece based on butt joint and support of steel pipe, including the butt joint part of steel pipe and the support part of steel pipe, the butt joint part of steel pipe includes first steel pipe, second steel pipe, picture peg and backing plate, picture peg overall structure is cross, and there is the fender shoulder at the axial both ends of picture peg, the thickness of keeping off the shoulder is the thickness of backing plate. The width that the axial groove of butt joint end upside is the width of picture peg upper end, and the width that the axial groove of butt joint end downside is close to the butt joint end is the width of stay tube, and the width that the butt joint end was kept away from to the axial groove of downside is the width of picture peg lower extreme, and the width that the axial groove of butt joint end both sides is close to the butt joint end is the sum of the thickness of backing plate thickness and picture peg side, keeps away from the width of butt joint end for the notch width that is close to the butt joint end and the thickness sum that keeps off the shoulder.
The supporting part of the steel pipe comprises a supporting pipe, end grooves are formed in two side faces, parallel to the butt joint face, of the supporting end of the supporting pipe, the width of each end groove is the width of the lower end of the inserting plate, and the depth of each end groove is the distance between the bottom of the axial groove, close to the butt joint end, of the side end of the butt joint steel pipe and the bottom of the butt joint steel pipe.
Compared with the background art, the invention has the beneficial effects that:
(1) the stress performance of the steel pipe joint is good. The two steel pipes are in rigid connection by butting insertion plates, and various internal forces such as axial force, bending moment, torque and the like can be effectively transmitted.
(2) The construction is convenient and safe, and the connection quality is easy to control. The butt joint and the support of the steel pipes adopt a non-welding mode, so that the construction and the installation are convenient, and the dependence of the butt joint and the support quality on the technical level of a welder is eliminated. Meanwhile, no welding working mode can avoid fire hazard.
(3) The butt joint of the steel pipes is combined with the support of the butt joint. The single-rail connecting device is suitable for long-distance single-rail connection.
(4) The pipe diameter area is not increased at the butt joint of the steel pipes. A projecting edge of a large size is not formed so as not to affect the arrangement of other mechanisms and the aesthetic appearance of the whole structure.
Drawings
The invention is illustrated in 8 figures, wherein:
FIG. 1 is a schematic view of the steel pipe butt joint and support of the present invention;
FIG. 2 is a side elevation of the butt-jointed steel pipe of the present invention;
FIG. 3 is a sectional view of the butt end of the butt-jointed steel pipe of the present invention;
FIG. 4 is a side elevational view of the support tube of the present invention;
FIG. 5 is a cross-sectional view of the support end of the support tube of the present invention;
FIG. 6 is a side elevational view of the shim plate of the present invention;
FIG. 7 is a cross-sectional view of the insert plate of the present invention;
figure 8 is a side elevational view of the board of the present invention.
In the figure: 1. the steel pipe comprises a first steel pipe body, a second steel pipe body, a base plate, an inserting plate, a supporting pipe, 6, a retaining shoulder, 7, axial grooves on two sides, 8, axial grooves on the upper side, 9, axial grooves on the lower side, 10 and end grooves.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 7 and 8, the whole structure of the insert plate 4 is cross-shaped, and the two axial ends of the insert plate 4 are provided with the retaining shoulders 6, and the thickness of the retaining shoulders 6 is equal to that of the backing plate 3.
As shown in fig. 1, 2 and 3, axial grooves are respectively formed around the butt joint ends of the first steel pipe 1 and the second steel pipe 2, the width of an upper axial groove 8 of the butt joint end is the width of the upper end of the inserting plate 4, the width of a lower axial groove 9 of the butt joint end close to the butt joint end is the width of the supporting pipe 5, the width of the lower axial groove 9 far away from the butt joint end is the width of the lower end of the inserting plate 4, the width of axial grooves 7 on two sides of the butt joint end close to the butt joint end is the sum of the thickness of the backing plate 3 and the thickness of the side end of the inserting plate 4, and the width far away from the butt joint end is the sum of the width of.
The supporting part of the steel pipe comprises a first steel pipe 1, a second steel pipe 2 and a supporting pipe 5, end grooves 10 are formed in two side faces, parallel to the butt joint face, of the supporting end of the supporting pipe 5, the width of each end groove 10 is the width of the lower end of the inserting plate 4, and the depth of each end groove 10 is the distance between the bottom of the axial groove, close to the butt joint end, of the side end of the butt joint steel pipe and the bottom of the butt joint steel pipe. As shown in figure 1, one end of the inserting plate 4 is embedded into the axial groove of the first steel pipe 1, the other end of the inserting plate is embedded into the axial groove of the second steel pipe 2, the inserting plate 4 is clamped by the retaining shoulder 6 when falling to the bottom, two backing plates 3 are respectively inserted into the gaps of the axial grooves 7 at two sides and fixed by connecting glue, and the supporting end of the supporting pipe 5 is inserted into the groove at the bottom of the butt joint end and fixedly connected.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the invention are intended to be covered by the following claims.

Claims (3)

1. The utility model provides a connecting piece that is used for steel pipe butt joint and supports which characterized in that: the connecting piece comprises a butt joint part of the steel pipes and a supporting part of the steel pipes, the butt joint part of the steel pipes comprises a first steel pipe, a second steel pipe, an inserting plate and base plates, the whole structure of the inserting plate is cross-shaped, blocking shoulders are arranged at two axial ends of the inserting plate, axial grooves are respectively formed in the peripheries of the butt joint ends of the first steel pipe and the second steel pipe, the supporting part of the steel pipes comprises supporting pipes, end grooves are formed in two side surfaces, parallel to the butt joint surfaces, of the supporting ends of the supporting pipes, one end of each inserting plate is embedded into the axial groove of the first steel pipe, the other end of each inserting plate is embedded into the axial groove of the second steel pipe, the inserting plate falls to the bottom and is clamped by the blocking shoulders, the two base plates are respectively inserted into gaps of the axial grooves at two sides and are fixed; the width of the axial groove on the upper side of the butt joint end of the first steel pipe and the second steel pipe is the width of the upper end of the inserting plate, the width of the axial groove on the lower side of the butt joint end, which is close to the butt joint end, is the width of the supporting pipe, the width of the axial groove on the lower side, which is far away from the butt joint end, is the sum of the thickness of the cushion plate and the thickness of the side end of the inserting plate, and the width of the axial groove on the two sides of the butt joint end, which is far away from the butt joint end, is the.
2. A connector for steel pipe butt and support according to claim 1, wherein: the thickness of the blocking shoulder is the thickness of the cushion plate.
3. A connector for steel pipe butt and support according to claim 1, wherein: the width of the end groove is the width of the lower end of the inserting plate, and the depth of the end groove is the distance between the bottom of the axial groove at the side end of the butt joint steel pipe, which is close to the butt joint end, and the bottom of the butt joint steel pipe.
CN201710579592.0A 2017-07-17 2017-07-17 Connecting piece and method for butt joint and support of steel pipes Active CN107386459B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710579592.0A CN107386459B (en) 2017-07-17 2017-07-17 Connecting piece and method for butt joint and support of steel pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710579592.0A CN107386459B (en) 2017-07-17 2017-07-17 Connecting piece and method for butt joint and support of steel pipes

Publications (2)

Publication Number Publication Date
CN107386459A CN107386459A (en) 2017-11-24
CN107386459B true CN107386459B (en) 2020-03-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587506A (en) * 2012-03-21 2012-07-18 浙江大学 Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part
CN203334435U (en) * 2013-05-16 2013-12-11 王文举 Temporary detachable steel-structure plug joint
CN204343454U (en) * 2014-08-13 2015-05-20 黄光明 A kind of interfacing part of axial cross shape annulus plate docking steel pipe
CN205688587U (en) * 2016-01-07 2016-11-16 杭州铁木辛柯钢结构设计有限公司 A kind of to wearing rod iron and to wearing the perpendicular two-way rigid joint of board plug type beam column

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205314456U (en) * 2015-11-25 2016-06-15 江苏升茂塑胶制品有限公司 Combination concatenation formula floor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587506A (en) * 2012-03-21 2012-07-18 浙江大学 Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part
CN203334435U (en) * 2013-05-16 2013-12-11 王文举 Temporary detachable steel-structure plug joint
CN204343454U (en) * 2014-08-13 2015-05-20 黄光明 A kind of interfacing part of axial cross shape annulus plate docking steel pipe
CN205688587U (en) * 2016-01-07 2016-11-16 杭州铁木辛柯钢结构设计有限公司 A kind of to wearing rod iron and to wearing the perpendicular two-way rigid joint of board plug type beam column

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