CN107476433B - Rounded joint for cylinders and box girders - Google Patents
Rounded joint for cylinders and box girders Download PDFInfo
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- CN107476433B CN107476433B CN201710706914.3A CN201710706914A CN107476433B CN 107476433 B CN107476433 B CN 107476433B CN 201710706914 A CN201710706914 A CN 201710706914A CN 107476433 B CN107476433 B CN 107476433B
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- short column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/246—Post to post connections
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
- E04B2001/2472—Elongated load-supporting part formed from a number of parallel profiles
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a round type joint for a cylinder and a box girder, which comprises: a semi-circular pipe short column; the perforated flange plate is arranged at the lower end of the semi-circular pipe short column; the top cover plate is arranged at the upper end of the semi-circular pipe short column; the horseshoe-shaped flange plate is arranged on the surface of the semi-circular pipe short column; the lower edge of the web plate is connected with the perforated flange plate, the upper edge of the web plate is connected with the top cover plate, and the web plate is as high as the semi-circular pipe short column; the transverse ribs are arranged in parallel to the height direction of the semi-circular pipe short column and are tangent to the extension line of the circular ring of the semi-circular pipe column, the upper ends of the transverse ribs are connected with the top cover plate, and the lower ends of the transverse ribs are connected with the perforated flange plate; the lower edge of the force transmission half rib is connected with the perforated flange plate, two side edges are respectively connected with the web plate and the transverse rib, and the upper end part is a free end. The joint of the invention has simple manufacturing process and convenient implementation, and the joint from the cylinder to the box girder shows mellow characteristics when the joint is viewed from the side and the top, and is different from the joint with clear edges and corners in the prior art.
Description
Technical Field
The invention relates to the field of cylinders and box girders, in particular to a round and smooth joint for the cylinders and the box girders, which is mainly applied to large steel structure products.
Background
In large steel structure products, columns and beams of large steel structures are generally used as bone parts and are important stress-bearing members. The column is subjected mainly to axial pressure, and in view of isotropic properties, the column is often designed in the form of a circular tube. For beams, concentrated or distributed loads thereon generally produce large bending stresses, and are preferably designed as box-section members.
The connection of the columns with different sections and the beams is complex, the flange plate and the rectangular section reinforcing bars are adopted at present, the connecting joints are in a more square type, the edges and corners are clear, the reinforcing bars are more, and the stress is uneven.
Disclosure of Invention
The invention aims to overcome the defects that the connection between columns with different cross sections and beams is complex and the like in the prior art, and provides a round joint for columns and box beams.
The invention solves the technical problems through the following technical scheme:
a rounded joint for columns and box beams, characterized in that it comprises:
a semi-circular pipe short column;
the perforated flange plate is arranged at the lower end of the semicircular pipe short column;
the top cover plate is arranged at the upper end of the semi-circular pipe short column;
the U-shaped flange plate is arranged on the surface of the semi-circular pipe short column;
the lower edges of the webs are connected with the perforated flange plate, the upper edges of the webs are connected with the top cover plate, and the webs are as high as the semi-circular pipe short column;
the transverse rib is arranged in parallel to the height direction of the semi-circular pipe short column and is tangent to a circular extension line of the semi-circular pipe column, the upper end of the transverse rib is connected with the top cover plate, and the lower end of the transverse rib is connected with the perforated flange plate;
the lower edge of the force transmission half rib is connected with the perforated flange plate, two side edges of the force transmission half rib are respectively connected with the web plate and the transverse rib, and the upper end part of the force transmission half rib is a free end.
According to one embodiment of the invention, the semicircular pipe short column and the circular pipe upright column are concentric semicircular pipe sections and are butted with the outer side part of the circular pipe upright column through the perforated flange plate.
According to one embodiment of the invention, the perforated flange plate is a flat plate, and the perforated flange plate is provided with a hole, the perforated flange plate is divided into two parts according to the shape, the end part of the perforated flange plate is an outer side part, and the part connected with the box girder is an inner side part. The outer side of the perforated flange plate is semicircular, and the radius of the semicircle is larger than that of the circular tube upright post;
the inner side of the perforated flange plate is rectangular, and the width of the rectangle is equal to the diameter of the semicircle.
The opening of the opening flange plate has the function of penetrating through the circular tube stand column and the joint.
According to one embodiment of the invention, the semi-circle is a tangent smooth transition to the rectangle.
According to one embodiment of the invention, the top cover plate is a flat plate, the cover plate is divided into two parts according to the shape, the end part of the cover plate is an outer part, the part connected with the box girder is an inner part, the outer side of the top cover plate is semicircular, and the radius of the semicircle is larger than that of the circular tube upright;
the inner side of the top cover plate is rectangular, and the width of the rectangle is equal to the diameter of the semicircle.
According to one embodiment of the invention, the opening of the horseshoe-shaped flange plate faces downwards, the lower edge of the horseshoe-shaped flange plate is connected with the perforated flange plate, the upper edge of the horseshoe-shaped flange plate is connected with the top cover plate, and the horseshoe-shaped flange plate is as high as the semi-circular pipe short column.
The opening of the horseshoe-shaped flange plate faces to the outside, and the horseshoe-shaped flange plate has the function of penetrating through the round pipe column and the box girder.
According to one embodiment of the invention, the outer side edge of the web is butted against the semicircular pipe stub through the horseshoe-shaped flange plate.
The web may alternatively be part of the box girder web.
According to one embodiment of the invention, the transverse rib is an open-pore flat plate, the transverse rib is as high as the semi-circular pipe column, the width of the transverse rib is as same as the inner diameter of the semi-circular pipe column, and the left side and the right side of the transverse rib are respectively connected with the web plate. The opening of the transverse rib has the function of penetrating the joint and the box girder,
according to one embodiment of the invention, the force transmission half ribs are two flat plates and are symmetrically arranged.
According to one embodiment of the present invention, an acute angle is formed between the force-transmitting half rib and the web, an acute angle is formed between the force-transmitting half rib and the transverse rib, and the force-transmitting half rib intersects with an extension line of the circle of the half-pipe short column.
In other words, the force-transmitting half-rib is overlapped as much as possible with the butt joint surface of the inner side part of the circular tube column through the opening flange plate.
The positive progress effects of the invention are as follows:
the round and smooth joint for the cylinder and the box girder simplifies the connection mode at the joint of the cylinder and the box girder, reduces the using amount of the rib plates, and has uniform stress and round and attractive appearance. A mellow type connects for cylinder and case roof beam is connected with cylinder and case roof beam respectively through each subassembly, and the joint department is through numerical simulation analysis, and stress distribution is even in the same direction as, can wide application in large-scale steel construction connected node's design. The cylinder at the joint is communicated with the cross beam, so that the requirements of specific functionality such as internal maintenance are met. The joint manufacturing process is simple and convenient to implement, and the joint from the cylinder to the box girder shows a rounded characteristic when the joint is viewed from the side and the top, and is different from the joint with clear edges and corners in the prior art.
Drawings
The above and other features, characteristics and advantages of the present invention will become more apparent from the following description in conjunction with the accompanying drawings and embodiments, in which like reference numerals denote like features throughout the figures, and in which:
fig. 1a is a front view of the connection of the round type joint for column and box girder of the present invention with round tube column and box girder.
Fig. 1b is a top view of the connection of the round type joint for columns and box girders of the present invention with round tube columns and box girders.
FIG. 1c isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1base:Sub>A.
FIG. 1d is a schematic view of FIG. 1a as viewed along direction B.
Fig. 1e is a schematic view of fig. 1a as seen along direction C.
Fig. 2a is a front view of a rounded joint for columns and box girders according to the invention.
Figure 2b is a top view of a rounded joint for columns and box beams according to the present invention.
Fig. 2c isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2base:Sub>A.
Fig. 2d is a schematic view of fig. 2a as viewed along direction B.
Fig. 2e is a schematic view from right to left in fig. 2a along the paper.
Fig. 3a is a front view of a half-pipe stub in a rounded joint for cylinders and box beams according to the present invention.
Figure 3b is a side view of a half-pipe stub in a rounded joint for cylinders and box beams according to the invention.
Figure 3c is a top view of a half-pipe stub in a rounded joint for cylinders and box beams according to the present invention.
FIG. 4a is a front view of an open Kong Falan plate in a round type joint for cylinder and box beams of the present invention.
FIG. 4b is a side view of an open Kong Falan plate in a rounded joint for cylinders and box beams of the present invention.
FIG. 4c is a top view of an open Kong Falan plate in a round type joint for columns and box beams of the present invention.
Fig. 5a is a front view of the top cover plate in the rounded joint for cylinder and box girder of the present invention.
Fig. 5b is a side view of the top cover plate in the rounded joint for cylinder and box girder of the present invention.
Fig. 5c is a top view of the top cover plate in the rounded joint for cylinder and box girder of the present invention.
Figure 6a is a front view of a horseshoe flange in a rounded joint for cylinders and box beams according to the present invention.
Figure 6b is a side view of the horseshoe flange of the rounded joint for cylinder and box girder of the present invention.
Figure 6c is a top view of the horseshoe flange in a rounded joint for cylinders and box beams according to the present invention.
Fig. 7a is a front view of a web in a rounded joint for columns and box beams according to the present invention.
Fig. 7b is a side view of a web in a rounded joint for columns and box beams according to the present invention.
Fig. 7c is a top view of a web in a rounded joint for columns and box beams according to the present invention.
Figure 8a is a front view of the transverse ribs in the rounded joint for columns and box beams according to the invention.
Figure 8b is a side view of the transverse ribs in the rounded joint for columns and box beams according to the invention.
Figure 8c is a top view of the transverse ribs in the rounded joint for columns and box beams of the present invention.
Fig. 9a is a front view of the force-transmitting half-rib in the rounded joint for cylinder and box girder of the present invention.
Fig. 9b is a side view of the force-transmitting half-rib in a rounded joint for cylinders and box beams according to the invention.
Fig. 9c is a top view of the force transfer half-rib in the rounded joint for cylinder and box girder of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1a is a front view of the connection of the round type joint for cylinder and box girder of the present invention with round tube column and box girder. Fig. 1b is a top view of the connection of the round type joint for columns and box girders of the present invention with round tube columns and box girders. FIG. 1c isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1base:Sub>A. FIG. 1d is a schematic view of FIG. 1a as viewed along direction B. Fig. 1e is a schematic view of fig. 1a as seen along direction C.
As shown in fig. 1a to 1e, the round type joint for column and box girder of the present invention connects a round type joint 10 with a box girder 20, a web abutting a web, and a flange abutting a flange. In the actual manufacturing process, the round-wet type joint 10 and the box girder 20 can be integrally manufactured, a box girder web plate and a joint web plate are integrated, and a box girder flange plate and a joint upper plate and a joint lower plate are integrated. The box girder 20 and the joint 10 are integrally welded to the circular pipe column 20 as shown in fig. 1.
The round joint for the column and the box girder has simple stress and clear force transmission path. The appearance is mellow and beautiful, the construction process is simple, and the quality can be effectively ensured. Can be widely applied to large-scale steel structures.
The design section of the circular tube upright column 30 is a circular ring, a large circular tube column is adopted, the ratio of the tube diameter to the wall thickness is large (generally > 50), the large axial force is mainly borne, the circular tube upright column 30 is a main stressed component in a large steel structure, and two ends of the circular tube upright column 30 are connected with the cross beam.
The box girder 20 has a rectangular hollow cross section, is a force transmission member for bearing a large bending stress, has a box-shaped cross section, and has an end connected to the circular tube column 30.
Fig. 2a is a front view of a rounded joint for cylinders and box beams according to the invention. Figure 2b is a top view of a rounded joint for columns and box beams according to the present invention. Fig. 2c isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2base:Sub>A. Fig. 2d is a schematic view of fig. 2a as viewed along direction B. Fig. 2e is a schematic view from right to left in fig. 2a along the paper.
As shown in fig. 2a to 2e, the present invention discloses a rounded joint 10 for columns and box girders, which includes: the device comprises a semi-circular pipe short column 11, an opening flange plate 12, a top cover plate 13, a horseshoe-shaped flange plate 14, two web plates 15, a transverse rib 16 and a force transmission semi-rib 17. As shown in fig. 2a, the half-round pipe stub 11, the perforated flange plate 12, the top cover plate 13, the horseshoe-shaped flange plate 14, the two web plates 15, the transverse rib 16 and the force-transmitting half-rib 17 are welded and connected according to the process, so as to form the rounded joint 10.
Wherein, trompil flange plate 12 sets up the lower extreme at semicircle pipe short column 11, and top apron 13 sets up the upper end at semicircle pipe short column 11, and U-shaped flange plate 14 sets up the surface at semicircle pipe short column 11, and the lower limb of web 15 is connected with trompil flange plate 12, and the higher authority of web 15 is connected with top apron 13, and web 15 and semicircle pipe short column 11 are the same height. The transverse rib 16 is arranged in parallel with the height direction of the semi-circular short column 11 and is tangent to the circular extension line of the semi-circular short column 11, the upper end of the transverse rib 16 is connected with the top cover plate 13, and the lower end of the transverse rib is connected with the opening flange plate 12. The lower edge of the force transmission half rib 17 is connected with the perforated flange plate 12, the two side edges are respectively connected with the web plate 15 and the transverse rib 16, and the upper end part is a free end.
Fig. 3a is a front view of a half-pipe stub in a rounded joint for cylinders and box beams according to the present invention. Figure 3b is a side view of a half-pipe stub in a rounded joint for columns and box beams according to the present invention. Figure 3c is a top view of a half-pipe stub in a rounded joint for cylinders and box beams according to the invention.
Referring to fig. 3a to 3c, and fig. 2a to 2e, in the rounded joint 10 for column and box girder according to the present invention, the semicircular pipe stub 11 and the circular pipe upright 30 are concentric semicircular pipe sections (as shown in fig. 2 a), where the height of the semicircular pipe stub 11 is the same as the height of the box girder 20, and the semicircular pipe stub is butted with the outer side portion of the circular pipe upright 20 through the opening flange plate 12. Of course, the semi-circular pipe short column 11 and the box girder 20 can be connected with variable cross sections, and the purpose of the present application can be achieved by the difference of the heights of the two.
When the semi-circular pipe short column 11 is manufactured, the circular ring short column can be cut open to obtain the semi-circular pipe short column, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
FIG. 4a is a front view of an open Kong Falan plate in a round type joint for cylinder and box beams of the present invention. FIG. 4b is a side view of an open Kong Falan plate in a round type joint for columns and box beams of the present invention. FIG. 4c is a top view of an open Kong Falan plate in a round type joint for columns and box beams of the present invention.
As shown in fig. 4a to 4c, the perforated flange plate 12 is a flat plate, and the perforated flange plate 12 has a hole 121, the perforated flange plate 12 is divided into two parts according to the shape, the end of the perforated flange plate 12 is an outer side part, and the part connected to the box girder 20 is an inner side part. The outer side of the perforated flange plate 12 is semicircular, and the radius of the semicircle is larger than that of the circular tube upright post 20. The inner side of the perforated flange plate 12 is a rectangle connected with the semicircle, and the width of the rectangle is equal to the diameter of the semicircle.
The perforated flange plate 12 is a flange plate with a large round hole 121 in the center, the thickness of the material is thick, the outer side of the perforated flange plate is processed into a semicircle, and the radius of the semicircle is slightly larger than that of the circular tube upright post. The inner side is a rectangle connected with the semicircle and the width is equal to the diameter of the outer semicircle. Here the semi-circular to rectangular shape is a tangential smooth transition.
The apertured flange plate 12 in this embodiment is configured to fit the horseshoe flange plate 14 with the addition of a protrusion 122 at the transition between the semi-circular and rectangular shapes. The flange plate middle opening 121 is communicated with the column. The lower edge of the perforated flange plate 12 is connected with the top end of the circular pipe upright 30, the inner side is connected with the lower flange plate of the box girder 20, and the upper edge of the perforated flange plate 12 is used as the bottom of the connecting joint for fixing the semicircular pipe short column 11 and other related components.
The perforated flange plate 12 is prepared and manufactured according to the requirements of the figure, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
Fig. 5a is a front view of the top cover plate in the rounded joint for cylinder and box girder of the present invention. Fig. 5b is a side view of the top cover plate in a rounded joint for cylinders and box beams according to the invention. Fig. 5c is a top view of the top cover plate in the rounded joint for cylinder and box girder of the present invention.
As shown in fig. 5a to 5c, the top cover plate 13 is shaped like the apertured flange plate 12, using a flat plate, not apertured, of a material thickness slightly thinner than the apertured flange plate 12. The outside of the top cover plate 13 is a semicircle, and the radius of the semicircle is slightly larger than that of the circular tube column 30. The inside of the top cover plate 13 is a rectangle connected with a semicircle, the width of the rectangle is equal to the diameter of the semicircle, and the semicircle is in tangent smooth transition to the rectangle.
In order to adapt the horseshoe flange plate 14 in this embodiment, there is an added protrusion 131 at the transition between the semi-circular and rectangular shape. The top cover plate 13 is located on top of the coupling joint and is connected on the inside to the upper flange plate of the box girder 20.
The upper cover plate 13 is prepared and manufactured according to the requirements of the figure, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
Fig. 6a is a front view of a horseshoe flange in a rounded joint for cylinders and box beams according to the invention. Figure 6b is a side view of the horseshoe flange in a rounded joint for cylinders and box beams according to the present invention. Figure 6c is a top view of the horseshoe flange of the rounded joint for cylinder and box girder of the present invention.
As shown in fig. 6a to 6c, the horseshoe-shaped flange plate 14 is used as a vertical flange plate, the opening of the horseshoe-shaped flange plate 14 faces downwards, the lower edge 141 of the horseshoe-shaped flange plate is connected with the opening flange plate 12, the upper edge of the horseshoe-shaped flange plate 14 is connected with the top cover plate 13, and the horseshoe-shaped flange plate 14 is at the same height as the semicircular pipe stub 11.
In the thickness direction, the outer side edge of the horseshoe-shaped flange plate 14 is connected with the semi-circular pipe short column 11, and the inner side edge is connected with two web plates 15 of the joint, and the horseshoe-shaped flange plate is mainly used for fixing the shape of the semi-circular pipe short column 11 and the torsion resistance of the joint, and simultaneously considers the functional requirement of the penetration of the upright column and the cross beam.
The horseshoe-shaped flange 14 is prepared and manufactured according to the requirements of the drawing, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
Fig. 7a is a front view of a web in a rounded joint for columns and box beams according to the present invention. Figure 7b is a side view of the web in a rounded joint for cylinders and box beams according to the invention. Figure 7c is a top view of a web in a rounded joint for cylinders and box beams according to the present invention.
As shown in fig. 7a to 7c, the web 15 is two rectangular flat plates, the lower side of which is connected with the opening flange plate 12, and the upper side is connected with the top cover plate 13, and is at the same height as the semi-circular pipe short column 11. The sizes of the open sides of the two web plates 15 are the same as the diameter of the circular ring, and the outer sides of the web plates 15 are butted with the semi-circular pipe short column 11 through the horseshoe-shaped flange plate 14.
The two web plates 15 are prepared according to the requirements of the figure, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
Fig. 8a is a front view of the transverse ribs in the rounded joint for columns and box girders according to the invention. Figure 8b is a side view of the transverse ribs in the rounded joint for columns and box girders according to the invention. Figure 8c is a top view of the transverse ribs in the rounded joint for columns and box beams according to the invention.
As shown in fig. 8a to 8c, the transverse rib 16 is a flat plate, the transverse rib 16 is as high as the semicircular pipe stub 11, the width of the transverse rib 16 is the same as the inner diameter of the semicircular pipe stub 11, and the left and right sides of the transverse rib 16 are respectively connected with the web 15.
The transverse ribs 16 are vertically arranged, the lower sides of the transverse ribs are connected with the perforated flange plate 12, the upper sides of the transverse ribs are connected with the top cover plate 13, the left side and the right side of the transverse ribs are respectively connected with the two web plates 15, and the distance from the transverse ribs to the outermost sides of the semicircular pipe short columns 11 is the diameter of the circular rings of the semicircular pipe short columns 11.
The transverse ribs 16 are prepared and manufactured according to the requirements of the drawing, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
Fig. 9a is a front view of the force-transmitting half-rib in the rounded joint for cylinder and box girder of the present invention. Fig. 9b is a side view of the force-transmitting half-rib in the rounded joint for cylinder and box girder of the present invention. Fig. 9c is a top view of the force transfer half-rib in the rounded joint for cylinder and box girder of the present invention.
As shown in fig. 9a to 9c, the force-transmitting half ribs 17 are two flat plates, and the force-transmitting half ribs 17 are symmetrically arranged. Meanwhile, an acute angle is formed between the force transmission half rib 17 and the web 15, and an acute angle is formed between the force transmission half rib 17 and the transverse rib 16.
The lower edge of the force transmission half rib 17 is connected with the perforated flange plate 12 (i.e. the force transmission half rib 17 is in butt joint with the inner part of the circular tube upright column 30 through the flange plate), and the two side edges are respectively connected with the web 15 and the transverse rib 16 (for example, two triangular prisms are enclosed). The upper end of the force transmission half rib 17 is free.
The two force transfer half-ribs 17 are prepared and manufactured according to the requirements of the figure, and the steel plate material and the main material of the metal structure of the crane are in the same grade.
In conclusion, the round joint for the cylinder and the box girder simplifies the connection mode at the joint of the cylinder and the box girder, reduces the using amount of the rib plates, and has uniform stress and round and attractive appearance. The round and smooth joint for the cylinder and the box girder is respectively connected with the cylinder and the box girder through each component, the joint is subjected to numerical simulation analysis, the stress distribution is uniform and smooth, and the round and smooth joint can be widely applied to the design of large-scale steel structure connection nodes. The cylinder and the beam at the joint are communicated, and the requirements of specific functionality such as internal maintenance are met. The joint manufacturing process is simple and convenient to implement, and the joint from the cylinder to the box girder shows a rounded characteristic when the joint is viewed from the side and the top, and is different from the joint with clear edges and corners in the prior art.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (1)
1. A rounded joint for columns and box beams, said rounded joint comprising:
a semicircular pipe short column;
the perforated flange plate is arranged at the lower end of the semicircular pipe short column;
the top cover plate is arranged at the upper end of the semicircular pipe short column;
the U-shaped flange plate is arranged on the surface of the semi-circular pipe short column;
the lower edges of the webs are connected with the perforated flange plate, the upper edges of the webs are connected with the top cover plate, and the webs are as high as the semi-circular pipe short column;
the transverse rib is arranged in parallel to the height direction of the semi-circular short column and is tangent to the circular extension line of the semi-circular short column, the upper end of the transverse rib is connected with the top cover plate, and the lower end of the transverse rib is connected with the perforated flange plate;
the lower edge of the force transmission half rib is connected with the perforated flange plate, two side edges of the force transmission half rib are respectively connected with the web plate and the transverse rib, and the upper end part of the force transmission half rib is a free end;
the opening of the horseshoe-shaped flange plate faces downwards, the lower edge of the horseshoe-shaped flange plate is connected with the perforated flange plate, the upper edge of the horseshoe-shaped flange plate is connected with the top cover plate, and the horseshoe-shaped flange plate and the semi-circular pipe short column are at the same height;
the outer side edge of the web plate is butted with the semi-circular pipe short column through the horseshoe-shaped flange plate;
the transverse rib is an open-pore flat plate, the transverse rib is as high as the semi-circular pipe short column, the width of the transverse rib is the same as the inner diameter of the semi-circular pipe short column, and the left side and the right side of the transverse rib are respectively connected with the web plate;
the semicircular pipe short column and the circular pipe upright column are concentric semicircular pipe sections and are in butt joint with the outer side part of the circular pipe upright column through the perforated flange plate;
an acute angle is formed between the force transmission half rib and the web plate, an acute angle is formed between the force transmission half rib and the transverse rib, and an intersection is formed between the force transmission half rib and a circular extension line of the semi-circular pipe short column;
the perforated flange plate is a flat plate, holes are formed in the perforated flange plate, the perforated flange plate is divided into two parts according to the shape, the end part of the perforated flange plate is the outer side part, and the part connected with the box girder is the inner side part; the outer side part of the perforated flange plate is semicircular, and the radius of the semicircle of the outer side part of the perforated flange plate is larger than that of the circular pipe upright post;
the inner side part of the perforated flange plate is rectangular, and the width of the rectangle at the inner side part of the perforated flange plate is equal to the diameter of the semicircle at the outer side part of the perforated flange plate;
the semicircle of the outer side part of the perforated flange plate is in tangential smooth transition with the rectangle of the inner side part of the perforated flange plate;
the top cover plate is a flat plate and is divided into two parts according to the shape, the end part of the top cover plate is an outer part, the part connected with the box girder is an inner part, the outer side of the top cover plate is semicircular, and the radius of the semicircle at the outer side of the top cover plate is larger than that of the circular tube stand column;
the inner side of the top cover plate is rectangular, and the width of the rectangle on the inner side of the top cover plate is equal to the diameter of the semicircle on the outer side of the top cover plate;
the force transmission half ribs are two flat plates and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706914.3A CN107476433B (en) | 2017-08-17 | 2017-08-17 | Rounded joint for cylinders and box girders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706914.3A CN107476433B (en) | 2017-08-17 | 2017-08-17 | Rounded joint for cylinders and box girders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107476433A CN107476433A (en) | 2017-12-15 |
| CN107476433B true CN107476433B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710706914.3A Active CN107476433B (en) | 2017-08-17 | 2017-08-17 | Rounded joint for cylinders and box girders |
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| CN (1) | CN107476433B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1120743A (en) * | 1965-08-05 | 1968-07-24 | Kubota Ltd | Improvements in and relating to building structural assemblies and load-bearing building units |
| CN2399464Y (en) * | 1999-07-14 | 2000-10-04 | 王志林 | Steel structure building slab |
| CN2700427Y (en) * | 2004-05-20 | 2005-05-18 | 上海拜特钢结构设计有限公司 | Perforated diaphragm plate type round column beam connection node structure |
| CN204199440U (en) * | 2014-07-02 | 2015-03-11 | 山东科技大学 | The node structure that a kind of concrete column is connected with girder steel |
| CN104499575B (en) * | 2014-11-24 | 2017-01-11 | 湖北弘顺钢结构制造有限公司 | Shock resistant connecting structure of reinforced concrete composite beam and steel pipe column |
| JP6973984B2 (en) * | 2015-10-14 | 2021-12-01 | 株式会社竹中工務店 | Reinforcing structure of steel pipe columns |
| CN205617562U (en) * | 2016-01-26 | 2016-10-05 | 西安理工大学 | Steel structure beam column joint assembled connection structure |
| CN105714939B (en) * | 2016-04-13 | 2017-03-29 | 长安大学 | Concrete filled steel tube pole steel beam external partition formula node structure and its construction method |
| CN105863075B (en) * | 2016-04-17 | 2019-01-04 | 北京工业大学 | A kind of cover board weakening type assembled wave webs beam column node connection device |
| CN105926773B (en) * | 2016-05-15 | 2018-06-01 | 北京工业大学 | A kind of assembled cover plate list flange beam column bolt joint attachment device |
| CN206189595U (en) * | 2016-11-10 | 2017-05-24 | 山东科技大学 | Connecting elements of steel -pipe column and girder steel |
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2017
- 2017-08-17 CN CN201710706914.3A patent/CN107476433B/en active Active
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