CN213329463U - Large-span space steel pipe drum-shaped connecting node structure based on steel structure truss - Google Patents

Abstract

The utility model discloses a large-span space steel pipe cydariform connected node structure based on steel construction truss, the equal fixedly connected with go-between in both sides around the cylindrical surface, it has first connecting hole to run through around the inside of go-between, and cylindrical surface just is located two fixedly connected with stiffening ring between the go-between, runs through around the inside of stiffening ring has the second connecting hole corresponding with first connecting hole, and bolt fixedly connected with steel pipe is passed through on the cylindrical surface, and two walls are close to cylindrical one side around the steel pipe and have seted up the arc mouth, the utility model relates to a structural engineering technical field. This large-span space steel pipe cydariform connected node structure based on steel structure truss utilizes the cooperation of go-between, stiffening ring and bolt to make the nodal connection degree of freedom high, and the framework is simple, can adapt to multiple use scene, can mass production, and manufacturing cost and time that has significantly reduced, this node adopt threaded connection to avoid the welding seam alternately and cause stress concentration.

Description

Large-span space steel pipe drum-shaped connecting node structure based on steel structure truss

Technical Field

The utility model relates to a structural engineering technical field specifically is a large-span space steel pipe cydariform connected node structure based on steel construction truss.

Background

The truss is a structure in which rod members are hinged to each other at both ends. The truss is a plane or space structure generally provided with triangular units and formed by straight rods, and the truss rod pieces mainly bear axial tension or pressure, so that the strength of materials can be fully utilized.

The trusses are commonly used steel trusses, reinforced concrete trusses, prestressed concrete trusses, wood trusses, steel and wood combined trusses, and steel and concrete combined trusses. The truss is divided into a triangular truss, a trapezoidal truss, a polygonal truss, a parallel chord truss and an open web truss according to the shape. When the form of the truss is selected, the purposes, materials, supporting modes and construction conditions of the truss are comprehensively considered, and the materials and labor amount for manufacturing and installing are required to be minimum on the premise of meeting the use requirement

When the existing node faces a large-span steel structure with a complex overhead structure, the number of the node requirements is large due to structural requirements, the node requirements are similar and different, batch production cannot be realized, great inconvenience is brought when processing, manufacturing and installation are carried out, and the welding deformation possibility is high in installation and construction due to the fact that the node is heavy after installation is completed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a large-span space steel pipe cydariform connected node structure based on steel construction truss has solved the node from great, and can not batch production's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a large-span space steel pipe cydariform connected node structure based on steel construction truss, includes the cylinder, the equal fixedly connected with go-between in both sides around the cylindrical surface, it has first connecting hole to run through around the inside of go-between, the cylindrical surface just is located fixedly connected with stiffening ring between two go-between, it has the second connecting hole corresponding with first connecting hole to run through around the inside of stiffening ring, the first member of bolt fixedly connected with is passed through on the cylindrical surface, two walls have been close to cylindrical one side and have been seted up the arc mouth around the first member, two walls are close to cylindrical one side and have seted up the opening with stiffening ring looks adaptation about the first member.

Preferably, the cylinder has a center block slidably attached to the inside thereof.

Preferably, the surface of the central block and the inner part of the cylinder are provided with sliding grooves, and sliding blocks are connected to the sliding grooves in a sliding manner.

Preferably, a spring is fixedly connected between one side of the sliding block close to the central block and the inner wall of the sliding groove.

Preferably, the inside of the cylinder is connected with a control rod in a sliding mode through a round hole, and one side, close to the central block, of the round hole is communicated with a connecting port.

Preferably, the front side and the rear side of the central block are fixedly connected with positioning crosses, the front side and the rear side of the central block are welded with second rod pieces, and one side, close to the central block, of each second rod piece is provided with a limiting groove.

Advantageous effects

The utility model provides a large-span space steel pipe cydariform connected node structure based on steel construction truss. Compared with the prior art, the method has the following beneficial effects:

(1) the large-span space steel pipe drum-shaped connecting node structure based on the steel structure truss, the front side and the rear side of the surface of the cylinder are fixedly connected with connecting rings, the front part and the rear part of the inside of the connecting rings are penetrated with first connecting holes, the surface of the cylinder is fixedly connected with a stiffening ring between the two connecting rings, the front part and the rear part of the inside of the stiffening ring are penetrated with second connecting holes corresponding to the first connecting holes, the surface of the cylinder is fixedly connected with a steel pipe through bolts, one sides of the front wall and the rear wall of the steel pipe, which are close to the cylinder, are provided with arc-shaped openings, one sides of the upper wall and the lower wall of the steel pipe, which are close to the cylinder, are provided with openings matched with the stiffening ring, the node is simple in structure, can adapt to various use scenes, can be produced in batch, greatly reduces production cost and time, and avoids stress concentration caused by welding line intersection due to threaded connection.

(2) The large-span space steel pipe drum-shaped connecting node structure based on the steel structure truss is characterized in that a center block is connected inside a cylinder in a sliding mode, a sliding groove is formed in the surface of the center block and located inside the cylinder, a sliding block is connected inside the sliding groove in a sliding mode, a spring is fixedly connected between one side, close to the center block, of the sliding block and the inner wall of the sliding groove, a control rod is connected inside the cylinder in a sliding mode through a round hole, a connecting port is communicated with one side, close to the center block, of the round hole, a positioning cross is fixedly connected to the front side and the rear side of the center block, second rod pieces are welded to the front side and the rear side of the center block, a limiting groove is formed in one side, close to the center block, the sliding groove, the sliding block, the control rod and the spring are matched, compared with the existing node, the construction is more convenient, the efficiency is higher, and more construction periods are saved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a side sectional view of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4 according to the present invention;

fig. 6 is a perspective view of the second rod of the present invention.

In the figure: 1. a cylinder; 2. a connecting ring; 3. a first connection hole; 4. a stiffening ring; 5. a second connection hole; 6. a bolt; 7. a first bar member; 8. an arc-shaped opening; 9. opening the gap; 10. a center block; 11. a chute; 12. a slider; 13. a spring; 14. a circular hole; 15. a control lever; 16. a connecting port; 17. a positioning cross; 18. a second bar member; 19. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a large-span space steel pipe drum-shaped connection node structure based on a steel structure truss comprises a cylinder 1, wherein the front side and the rear side of the surface of the cylinder 1 are fixedly connected with connecting rings 2, first connecting holes 3 penetrate through the front side and the rear side of the inside of the connecting rings 2, a stiffening ring 4 is fixedly connected with the surface of the cylinder 1 and is positioned between the two connecting rings 2, second connecting holes 5 corresponding to the first connecting holes 3 penetrate through the front side and the rear side of the inside of the stiffening ring 4, a first rod piece 7 is fixedly connected with the surface of the cylinder 1 through bolts 6, arc-shaped openings 8 are formed in the front side and the rear side of the first rod piece 7, close to one side of the cylinder 1, of the upper wall and the lower wall of the first rod piece 7 are provided with openings 9 matched with the stiffening ring 4, the connection freedom degree of the node is high by utilizing the matching of the connecting rings 2, the stiffening ring 4, the production cost and time are greatly reduced, the node adopts threaded connection to avoid stress concentration caused by welding seam intersection, a center block 10 is connected inside the cylinder 1 in a sliding manner, a sliding groove 11 is formed in the surface of the center block 10 and positioned inside the cylinder 1, a sliding block 12 is connected inside the sliding groove 11 in a sliding manner, a spring 13 is fixedly connected between one side of the sliding block 12 close to the center block 10 and the inner wall of the sliding groove 11, a control rod 15 is connected inside the cylinder 1 in a sliding manner through a round hole 14, one side of the round hole 14 close to the center block 10 is communicated with a connecting port 16, positioning crosses 17 are fixedly connected to the front side and the rear side of the center block 10, second rod pieces 18 are welded to the front side and the rear side of the center block 10, a limiting groove 19 is formed in one side of the second rod pieces 18 close to the center block 10, and the second rod pieces 18 in more directions can be connected by utilizing the matching of, can construct more shapes in multilayer steel construction, make the shaping structure more pleasing to the eye, compare the construction with current node more convenient, efficiency is faster, has saved more time limit for a project, and wherein control lever 15, slider 12, spout 11, spring 13 and round hole 14 are evenly distributed, and the quantity is four groups.

And those not described in detail in this specification are well within the skill of those in the art.

In use, the first rod 7 is aligned with the surface of the cylinder 1, the bolt 6 is inserted through the first connecting hole 3 and the second connecting hole 5, the bolt 6 is tightened, and the actions are repeated to fix the first rod 7 to be fixed.

When multi-layer construction is required, the limiting groove 19 is aligned with the positioning cross 17 and then welded on the surface of the central block 10, then the control rod 15 is pulled to enable the control rod 15 to block the connecting port 16, then the central block 10 is rotated to a proper angle, the control rod 15 is moved to leak out of the connecting port 16, then the spring 13 is ejected out of the sliding block 12 under the action of restoring force, and the sliding block 12 enters the round hole 14 and abuts against the control rod 15 to limit the rotation of the central block 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a large-span space steel pipe cydariform connected node structure based on steel construction truss, includes cylinder (1), its characterized in that: equal fixedly connected with go-between (2) in both sides around the surface of cylinder (1), it has first connecting hole (3) to run through around the inside of go-between (2), the surface of cylinder (1) just is located fixedly connected with stiffening ring (4) between two go-between (2), run through around the inside of stiffening ring (4) and have second connecting hole (5) corresponding with first connecting hole (3), bolt (6) fixedly connected with first member (7) are passed through on the surface of cylinder (1), arc mouth (8) have been seted up to one side that two walls are close to cylinder (1) around first member (7), opening (9) with stiffening ring (4) looks adaptation are seted up to one side that two walls are close to cylinder (1) about first member (7).

2. The large-span space steel tube drum-shaped connection node structure based on the steel structure truss is characterized in that: the inside of the cylinder (1) is connected with a central block (10) in a sliding way.

3. The large-span space steel tube drum-shaped connection node structure based on the steel structure truss is characterized in that: the surface of the central block (10) is positioned in the cylinder (1) and is provided with a sliding groove (11), and the sliding groove (11) is connected with a sliding block (12) in a sliding manner.

4. The large-span space steel tube drum-shaped connection node structure based on the steel structure truss is characterized in that: and a spring (13) is fixedly connected between one side of the sliding block (12) close to the central block (10) and the inner wall of the sliding groove (11).

5. The large-span space steel tube drum-shaped connection node structure based on the steel structure truss is characterized in that: the inner part of the cylinder (1) is connected with a control rod (15) through a round hole (14) in a sliding mode, and one side, close to the central block (10), of the round hole (14) is communicated with a connecting port (16).

6. The large-span space steel tube drum-shaped connection node structure based on the steel structure truss is characterized in that: the positioning cross (17) is fixedly connected to the front side and the rear side of the central block (10), second rod pieces (18) are welded to the front side and the rear side of the central block (10), and limiting grooves (19) are formed in one sides, close to the central block (10), of the second rod pieces (18).

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