Steel pipe and square pipe assembled joint and construction method
阅读说明：本技术 钢管与方管装配式节点及施工方法 (Steel pipe and square pipe assembled joint and construction method ) 是由 郭永忠 杨照军 梁会作 于 2020-06-22 设计创作，主要内容包括：本发明公开了钢管与方管装配式节点及施工方法,包括钢管、方管、弧形连接件、T型连接件、圆筒、圆块体和插杆,所述圆块体设于圆筒内且圆块体底部与圆筒底部弹性连接,所述插杆穿过圆筒和圆块体,所述插杆靠近方管的一端外圈焊接环套,所述圆块体端面设有限位槽,所述方管侧面设有插入孔,所述弧形连接件的下端与T型连接件焊接组合形成支撑件,所述T型连接件的两侧通过螺栓与方管连接且弧形连接件的弧形端面与钢管端面紧密连接；本发明采用装配式连接,搭接方便,施工便利,施工效率高,能够自由拆卸组合,重复使用,降低了整体造价,节省工程开支,提高了整体结构的稳定性。(The invention discloses a steel pipe and square pipe assembled node and a construction method, wherein the steel pipe and square pipe assembled node comprises a steel pipe, a square pipe, an arc-shaped connecting piece, a T-shaped connecting piece, a cylinder, a round block body and an inserting rod, the round block body is arranged in the cylinder, the bottom of the round block body is elastically connected with the bottom of the cylinder, the inserting rod penetrates through the cylinder and the round block body, the outer ring of one end, close to the square pipe, of the inserting rod is welded with a ring sleeve, the end face of the round block body is provided with a limiting groove, the side face of the square pipe is provided with an inserting hole, the lower end of the arc-shaped connecting piece is welded and combined with the T-shaped connecting piece to form; the invention adopts the assembly type connection, has convenient lap joint, convenient construction and high construction efficiency, can be freely disassembled and combined and can be repeatedly used, thereby reducing the overall cost, saving the engineering expenditure and improving the stability of the overall structure.)
1. Steel pipe and square pipe assembled node, including steel pipe and square pipe, its characterized in that: this node still includes arc connecting piece, T type connecting piece and built-up connection spare, built-up connection spare includes drum, round block and inserted bar, the tip of drum is equipped with annular otic placode and drum external diameter the same with the steel pipe internal diameter, round block is located in the drum and round block body bottom and drum bottom elastic connection, the inserted bar passes drum and round block body, the inserted bar is close to the one end outer lane welding ring cover of managing in the side, round block body terminal surface is equipped with the spacing groove, side of managing is equipped with the patchhole, the ring cover is corresponding with spacing groove and patchhole, the lower extreme and the T type connecting piece welding combination of arc connecting piece form support piece, bolt and square union coupling and arc terminal surface and the steel pipe terminal surface zonulae occludens of arc connecting piece are passed through to the both sides of T type.
2. The steel pipe and square pipe assembled joint of claim 1, wherein: the end of the inserted bar is hemispherical, and the other two symmetrical side surfaces of the square tube are provided with operation holes.
3. The steel pipe and square pipe assembled joint of claim 1, wherein: the outer side of the ring sleeve, the limiting groove and the inserting hole are all in a regular polyhedral shape, and the height of the ring sleeve is larger than the total height of the limiting groove and the inserting hole.
4. The steel pipe and square pipe assembled joint of claim 1, wherein: the round block body and the cylinder bottom are respectively provided with a first hole groove and a second hole groove for inserting the inserted rod.
5. The steel pipe and square pipe assembled joint of claim 4, wherein: the round block is characterized in that limiting rods arranged in an annular array are welded around the first hole groove at the bottom of the round block, springs are sleeved on outer rings of the limiting rods, round holes in the annular array are formed in outer rings of the second hole groove at the bottom of the cylinder, and the limiting rods correspond to the round holes.
6. The steel pipe and square pipe assembled joint of claim 1, wherein: the steel pipe is close to the tip outer lane of square pipe and cup joints the spacing collar, the toroidal surface of arc connecting piece is equipped with spacing arc groove.
7. The steel pipe and square pipe assembled joint of claim 6, wherein: the outer ring of the limiting ring and the bottom of the limiting arc groove are both in a regular polyhedral shape.
8. The steel pipe and square pipe assembled joint of claim 1, wherein: the support pieces are two groups and are respectively arranged at the two sides of the end part of the steel pipe in an up-down symmetrical mode, and the support pieces at the lower side are welded with the outer side face of the square pipe.
9. The steel pipe and square pipe assembled joint of claim 1, wherein: the square pipe is located the upper and lower both sides of steel pipe and is equipped with two rows of screw holes, T type connecting piece passes through bolt and screw hole threaded connection.
10. A construction method of the steel pipe and square pipe assembled joint according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
firstly, prefabricating a steel pipe, a square pipe, an arc-shaped connecting piece, a T-shaped connecting piece, a cylinder, a round block body and an inserting rod in an engineering manner, wherein a node of the square pipe is provided with a preformed hole, the preformed hole comprises an inserting hole, a threaded hole and an operating hole, a support piece formed by welding and combining the arc-shaped connecting piece and the T-shaped connecting piece is welded below the inserting hole in a factory, the cylinder is welded at the end part of the steel pipe in the factory, and a limiting ring is welded at the outer ring of the steel pipe and corresponds to the limiting arc groove in;
secondly, transporting the prefabricated part to a working site, fixing a square tube, sequentially placing the round block body and the inserting rod into the cylinder, erecting a steel tube and extruding the inserting rod to enable the inserting rod to drive the round block body to slide towards the inside of the cylinder, enabling the end part of the inserting rod to be aligned with the inserting hole, and after erection is finished, installing a support piece on the upper side to fix and limit the steel tube;
and step three, during disassembly, the support piece on the upper side is disassembled, then the inserted bar is extruded towards the cylinder direction through the operation hole, and the inserted bar is separated from the square tube, so that disassembly is realized.
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a steel pipe and square pipe assembled joint and a construction method.
Background
In a steel structure, steel pipes and square pipes are often used as bearing components, and the effect of transferring tensile force, shearing force and bending moment has important influence on the overall stress performance of the structure. The existing steel pipe and square pipe are connected in a mode of adopting a connecting piece to weld, the mode is stable in connection, high in stress strength and high in rigidity, but the defect that steel structures are constructed at high altitude mostly, welding is inconvenient, lap joint difficulty is high, construction progress is influenced, the steel pipe is easy to rotate due to the self characteristic after welding is completed, damage to butt welding points is increased, integral performance is influenced, and the steel structure which needs to be disassembled for repeated use cannot be reused, so that overall cost is improved.
Disclosure of Invention
The invention mainly aims to provide a steel pipe and square pipe assembled joint and a construction method, which can effectively solve the problems of inconvenient welding, high lap joint difficulty, low overall performance and high manufacturing cost of the existing steel pipe and square pipe in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: steel pipe and square pipe assembled node, including steel pipe and side pipe, this node still includes arc connecting piece, T type connecting piece and built-up connection spare, built-up connection spare includes drum, round piece and inserted bar, the tip of drum is equipped with annular otic placode and drum external diameter and steel pipe internal diameter the same, round piece is located in the drum and round piece body bottom and drum bottom elastic connection, the inserted bar passes drum and round piece body, the inserted bar is close to the one end outer lane welding ring cover of side pipe, round piece terminal surface is equipped with the spacing groove, side of being square is equipped with the patchhole, the ring cover is corresponding with spacing groove and patchhole, the lower extreme and the T type connecting piece welding combination of arc connecting piece form support piece, bolt and square union coupling and arc terminal surface and steel pipe terminal surface zonulae occludens of arc connecting piece are passed through to the both sides of T type connecting piece.
Preferably, the end of the inserted bar is hemispherical, and the other two symmetrical side surfaces of the square tube are provided with operation holes.
Preferably, the outer side of the ring sleeve, the limiting groove and the insertion hole are regular polyhedral, and the height of the ring sleeve is larger than the total height of the limiting groove and the insertion hole.
Preferably, the round block body and the cylinder bottom are respectively provided with a first hole groove and a second hole groove for inserting the inserted rod.
Preferably, the bottom of the round block body is positioned at the periphery of the first hole groove, a limiting rod arranged in an annular array is welded, a spring is sleeved on the outer ring of the limiting rod, the outer ring of the cylinder bottom is positioned at the second hole groove, circular holes in the annular array are formed in the outer ring of the cylinder bottom, and the limiting rod corresponds to the circular holes.
Preferably, the steel pipe is close to the tip outer lane of square pipe and cup joints the spacing collar, the toroidal surface of arc connecting piece is equipped with spacing arc groove.
Preferably, the outer ring of the limiting ring and the bottom of the limiting arc groove are both regular polyhedral.
Preferably, the support pieces are two groups and are respectively arranged at the two sides of the end part of the steel pipe in an up-down symmetrical manner, and the support pieces at the lower side are welded with the outer side surface of the square pipe.
Preferably, the square pipe is provided with two rows of threaded holes on the upper side and the lower side of the steel pipe, and the T-shaped connecting piece is in threaded connection with the threaded holes through bolts.
The construction method of the steel pipe and square pipe assembled node comprises the following steps:
firstly, prefabricating a steel pipe, a square pipe, an arc-shaped connecting piece, a T-shaped connecting piece, a cylinder, a round block body and an inserting rod in an engineering manner, wherein a node of the square pipe is provided with a preformed hole, the preformed hole comprises an inserting hole, a threaded hole and an operating hole, a support piece formed by welding and combining the arc-shaped connecting piece and the T-shaped connecting piece is welded below the inserting hole in a factory, the cylinder is welded at the end part of the steel pipe in the factory, and a limiting ring is welded at the outer ring of the steel pipe and corresponds to the limiting arc groove in;
secondly, transporting the prefabricated part to a working site, fixing a square tube, sequentially placing the round block body and the inserting rod into the cylinder, erecting a steel tube and extruding the inserting rod to enable the inserting rod to drive the round block body to slide towards the inside of the cylinder, enabling the end part of the inserting rod to be aligned with the inserting hole, and after erection is finished, installing a support piece on the upper side to fix and limit the steel tube;
and step three, during disassembly, the support piece on the upper side is disassembled, then the inserted bar is extruded towards the cylinder direction through the operation hole, and the inserted bar is separated from the square tube, so that disassembly is realized.
Compared with the prior art, the invention has the following beneficial effects: the steel pipe and the square pipe are connected in an assembling manner by matching the arc-shaped connecting piece and the T-shaped connecting piece with the combined connecting piece, so that the steel pipe and the square pipe are connected in an overlapping manner, the steel pipe and the square pipe are convenient to construct, the steel pipe and the square pipe are high in construction efficiency, can be freely disassembled and combined and can be reused, the overall cost is reduced, the engineering expenditure is saved, the rotation of the steel pipe is limited by combining the limiting groove and the ring strip, the limiting rod and the round hole, and the limiting ring and the limiting arc groove, the overall mechanical property.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structural installation of the present invention;
FIG. 3 is an exploded view of the steel pipe and composite connection of the present invention;
FIG. 4 is a perspective view of the cylinder of the present invention;
fig. 5 is a perspective view of the round block of the present invention.
In the figure: 1. a steel pipe; 2. a square tube; 3. an arc-shaped connecting piece; 4. a T-shaped connector; 5. a cylinder; 6. a round block body; 7. inserting a rod; 8. sleeving a ring; 9. a limiting groove; 10. an insertion hole; 11. a bolt; 12. an operation hole; 13. a first hole groove; 14. a hole groove II; 15. a spring; 16. a circular hole; 17. a limiting ring; 18. a limiting arc groove; 19. a threaded hole; 20. an annular ear plate; 21. a limiting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the steel pipe and square pipe assembled node comprises a steel pipe 1 and a square pipe 2, and further comprises an arc-shaped connecting piece 3, a T-shaped connecting piece 4 and a combined connecting piece, wherein the combined connecting piece comprises a
In this embodiment, the end of the insertion rod 7 is hemispherical, and the other two symmetrical side surfaces of the square tube 2 are provided with operation holes 12.
In this embodiment, the outer side of the ring sleeve 8, the limiting groove 9 and the insertion hole 10 are all regular polyhedral, and the height of the ring sleeve 8 is greater than the total height of the limiting groove 9 and the insertion hole 10.
In this embodiment, the bottom of the round block 6 and the bottom of the
In this embodiment, the bottom of the round block body 6 is located at the periphery of the first hole groove 13 and welded with the limiting rod 21 arranged in an annular array, the outer ring of the limiting rod 21 is sleeved with the spring 15, the outer ring of the bottom of the
In this embodiment, the steel pipe 1 is close to the tip outer lane of square pipe 2 and cup joints spacing collar 17, the annular face of arc connecting piece 3 is equipped with spacing arc groove 18.
In this embodiment, the outer ring of the retainer 17 and the bottom of the retaining arc groove 18 are both regular polygonal.
In this embodiment, the support pieces are two sets of and are respectively arranged at the two sides of the end part of the steel pipe 1 in the up-down symmetry manner, and the support pieces at the lower side are welded with the outer side surface of the square pipe 2.
In this embodiment, the square pipe 2 is provided with two rows of threaded holes 19 on the upper and lower sides of the steel pipe 1, and the T-shaped connecting piece 4 is in threaded connection with the threaded holes 19 through bolts 11.
The construction method of the steel pipe and square pipe assembled node comprises the following steps:
firstly, engineering prefabricating a steel pipe 1, a square pipe 2, an arc-shaped connecting piece 3, a T-shaped connecting piece 4, a
secondly, transporting the prefabricated part to a working site, fixing the square pipe 2, sequentially placing the round block body 6 and the inserting rod 7 in the
and step three, during disassembly, the support piece on the upper side is disassembled, then the inserting rod 7 is extruded towards the
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
- 上一篇：一种医用注射器针头装配设备
- 下一篇：一种钢结构连接件