阅读说明：本技术 一种大吨位钢梁拉索压块夹持式组合节点及其方法 (Large-tonnage steel beam inhaul cable pressing block clamping type combined node and method thereof ) 是由 陈江 郑洪� 李维强 王保栋 吴浩瑀 于 2020-05-15 设计创作，主要内容包括：本发明提供了一种大吨位钢梁拉索压块夹持式组合节点及其方法,包括活动夹持钢片组件、垫片和压块,通过精加工设计相同角度的凹槽,实现角度变化,在拉索设计钢梁位置处增加压制固定钢制压块,垫片分别安装在压块的顶部和底部,将压块放入安装孔后分别将第一固定块和第二固定块从安装孔的下方安装在压块的底部,从安装孔的上方将第一固定板和第二固定板安装在压块的顶部,通过锚栓将第一固定块、第二固定块与第一固定板、第二固定板锚固,第一固定块、第二固定块、第一固定板、第二固定板分别与安装孔进行焊接,将拉索与钢梁连接固定,从而使大吨位钢梁拉索压块夹持式组合节点具有了连接稳定可靠的性能以及梁索非垂直连接固定的功能。(The invention provides a large-tonnage steel beam inhaul cable press block clamping type combined node and a method thereof, wherein the large-tonnage steel beam inhaul cable press block clamping type combined node comprises a movable clamping steel sheet assembly, a gasket and a press block, grooves with the same angle are designed through finish machining, angle change is realized, a pressing fixed steel press block is additionally arranged at the position of a steel beam designed by an inhaul cable, the gasket is respectively arranged at the top and the bottom of the press block, the first fixing block and the second fixing block are respectively arranged at the bottom of the press block from the lower part of an installation hole after the press block is placed in the installation hole, the first fixing plate and the second fixing plate are arranged at the top of the press block from the upper part of the installation hole, the first fixing block and the second fixing block are anchored with the first fixing plate and the second fixing plate through anchor bolts, the first fixing block, the second fixing block, the first fixing block, the second fixing plate and the second fixing plate are respectively welded with the installation hole And (4) determining the functions.)

1. A large-tonnage steel beam inhaul cable pressing block clamping type combined node is characterized by comprising a steel beam and an inhaul cable, wherein a mounting hole is formed in the surface of the steel beam, a pressing block is arranged on the surface of the inhaul cable, a movable clamping steel sheet assembly is arranged outside the pressing block, a gasket is arranged between the movable clamping steel sheet assembly and the pressing block, the movable clamping steel sheet assembly is arranged inside the mounting hole and comprises a first fixing block, a second fixing block, a first fixing plate and a second fixing plate, the first fixing block is arranged on one side of the second fixing block, the first fixing plate is arranged on one side of the second fixing plate, the first fixing plate and the second fixing plate are respectively arranged above the first fixing block and the second fixing block, a first groove is formed in the top of the first fixing block, the bottom of the first groove is provided with a first through hole, two sides of the surface of the first fixing block are provided with second through holes, and the top of the first fixing plate is sequentially provided with a third through hole and a second groove from outside to inside.

2. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the number of the gaskets is two, the gaskets are respectively arranged at the top and the bottom of the pressing block, the gaskets are made of U-shaped aluminum sheets, and the gaskets are used for filling gaps between the movable clamping steel sheet assemblies and the pressing block.

3. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the included angle between the first groove and the first through hole and the first fixing block ranges from 30 degrees to 90 degrees, and the included angle between the second groove and the first fixing plate ranges from 30 degrees to 90 degrees.

4. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the size and the shape of the first fixed block are consistent with those of the second fixed block, and the first fixed block and the second fixed block are symmetrically arranged.

5. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the size and the shape of the first fixing plate are consistent with those of the second fixing plate, and the first fixing plate and the second fixing plate are symmetrically arranged.

6. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the size and the shape of the second through hole are consistent with those of the third through hole, and the second through hole and the third through hole are used for riveting the first fixing block, the second fixing block, the first fixing plate and the second fixing plate through anchor bolts.

7. The large-tonnage steel beam inhaul cable pressing block clamping type combined node as claimed in claim 1, wherein: the shape of the first groove is matched with that of the pressing block.

8. A large-tonnage steel beam inhaul cable pressing block clamping type combined node method is characterized by comprising the following steps:

s1, arranging a pressing block, additionally pressing and fixing the steel pressing block at the position of the designed steel beam in the stay cable processing process, accurately calculating the position of the pressing block, and forming the pressing block and the stay cable together by considering the deformation influence of the stay cable during tensioning;

s2, installing the inhaul cable, reserving a mounting hole in the steel beam, lifting the steel beam in place by using a hoisting winch, and enabling a pressing block on the surface of the inhaul cable to be in place in the mounting hole of the steel beam;

s3, installing gaskets, and clamping U-shaped aluminum gaskets above and below the fixed pressing block;

s4, mounting a movable clamping steel sheet assembly, respectively putting a first fixing plate, a second fixing plate, a first fixing block and a first fixing block from the upper surface and the lower surface of the steel beam, and wrapping a pressing block inside;

and S5, welding, namely riveting the upper end and the lower end of the movable clamping steel sheet component through anchor bolts, and then welding the movable clamping steel sheet component and the periphery of the steel beam to realize the forming of the beam-cable system.

Technical Field

The invention relates to the technical field of beam-cable combined structures, in particular to a large-tonnage steel beam inhaul cable pressing block clamping type combined node and a method thereof.

Background

In order to exert the advantages of high tensile strength of the cable structure and small section of a component, the general beam-cable combined structure is applied to open areas such as a building lobby, and the conventional inhaul cable and steel beam combined structure are connected through the friction force of a fixed point to form a stress system. But is not suitable for the connection of large-tonnage steel beams. Because the surface of the inhaul cable is smooth, the friction coefficient is low, the conventional node can not meet the fixing requirement, and meanwhile, the beam and cable combined structure is conventionally connected by a vertical section, and the variable-angle connection of the outer vertical surface of the special-shaped building can not be realized.

The invention realizes the reliable fixation of the large-tonnage steel beam and the stay cable combined node by adopting the fixed pressing block pressed in the stay cable forming process and the four-piece anchoring steel sheet structure with variable angles through on-site precise welding, and simultaneously has the function of non-vertical connection and fixation of the beam and the stay cable.

Disclosure of Invention

The embodiment of the invention provides a large-tonnage steel beam stay cable pressing block clamping type combined node and a method thereof, and solves the problems that the stay cable and a steel beam are connected through fixed point friction force and are not firm and the stay cable and the steel beam are difficult to fix when not vertical in the existing stay cable and steel beam combined structure through a fixed pressing block pressed in the stay cable forming process and a movable clamping steel sheet assembly with a variable angle.

In view of the above problems, the technical solution proposed by the present invention is:

the utility model provides a large-tonnage steel beam cable briquetting centre gripping formula combination node, includes:

the steel cable comprises a steel beam and a cable, wherein a mounting hole is formed in the surface of the steel beam, a pressing block is arranged on the surface of the cable, a movable clamping steel sheet assembly is arranged outside the pressing block, a gasket is arranged between the movable clamping steel sheet assembly and the pressing block, the movable clamping steel sheet assembly is arranged inside the mounting hole and comprises a first fixed block, a second fixed block, a first fixed plate and a second fixed plate, the first fixed block is arranged on one side of the second fixed block, the first fixed plate is arranged on one side of the second fixed plate, the first fixed plate and the second fixed plate are respectively arranged above the first fixed block and the second fixed block, a first groove is formed in the top of the first fixed block, a first through hole is formed in the bottom of the first groove, second through holes are formed in two sides of the surface of the first fixed block, and a third through hole and a second groove are sequentially formed in the top of the first fixing plate from outside to inside.

In order to better realize the technical scheme of the invention, the following technical measures are also adopted.

Furthermore, the quantity of gasket is two, set up respectively in briquetting top and bottom, the material of gasket is the U-shaped aluminum sheet, the gasket is used for filling activity centre gripping steel sheet subassembly with the clearance between the briquetting.

Further, the included angle between the first groove and the first through hole and the first fixing block ranges from 30 degrees to 90 degrees, and the included angle between the second groove and the first fixing plate ranges from 30 degrees to 90 degrees.

Furthermore, the size and the shape of the first fixed block are consistent with those of the second fixed block, and the first fixed block and the second fixed block are symmetrically arranged.

Furthermore, the size and the shape of the first fixing plate and the second fixing plate are consistent, and the first fixing plate and the second fixing plate are symmetrically arranged.

Furthermore, the size and the shape of the second through hole are consistent with those of the third through hole, and the second through hole and the third through hole are used for riveting the first fixing block and the second fixing block with the first fixing plate and the second fixing plate through anchor bolts.

Further, the shape of the first groove is matched with that of the pressing block.

A large-tonnage steel beam inhaul cable pressing block clamping type combined node method is characterized by comprising the following steps:

s1, arranging a pressing block, additionally pressing and fixing the steel pressing block at the position of the designed steel beam in the stay cable processing process, accurately calculating the position of the pressing block, and forming the pressing block and the stay cable together by considering the deformation influence of the stay cable during tensioning;

s2, installing the inhaul cable, reserving a mounting hole in the steel beam, lifting the steel beam in place by using a hoisting winch, and enabling a pressing block on the surface of the inhaul cable to be in place in the mounting hole of the steel beam;

s3, installing gaskets, and clamping U-shaped aluminum gaskets above and below the fixed pressing block;

s4, mounting a movable clamping steel sheet assembly, respectively putting a first fixing plate, a second fixing plate, a first fixing block and a first fixing block from the upper surface and the lower surface of the steel beam, and wrapping a pressing block inside;

and S5, welding, namely riveting the upper end and the lower end of the movable clamping steel sheet component through anchor bolts, and then welding the movable clamping steel sheet component and the periphery of the steel beam to realize the forming of the beam-cable system.

Compared with the prior art, the invention has the beneficial effects that:

1. by arranging the movable clamping steel sheet component, pressing and fixing steel pressing blocks are additionally arranged at the designed steel beam position of the stay cable, the pressing blocks and the stay cable are molded together, mounting holes are reserved in the steel beams, gaskets are respectively mounted at the top and the bottom of the pressing block, the pressing block is placed in the mounting holes, then the first fixing block and the second fixing block are respectively mounted at the bottom of the pressing block from the lower part of the mounting holes, the first fixing plate and the second fixing plate are mounted at the top of the pressing block from the upper part of the mounting holes, the first fixing block and the second fixing block are anchored with the first fixing plate and the second fixing plate through anchor bolts, the first fixing block, the second fixing block, the first fixing plate and the second fixing plate are respectively welded with the mounting holes, the inhaul cable and the steel beam are connected and fixed, the inhaul cable and the steel beam are not fixed through friction force, the connection is more stable and reliable, therefore, the clamping type combined joint of the large-tonnage steel beam inhaul cable pressing block has the effect of stable and reliable connection.

2. Through setting up activity centre gripping steel sheet subassembly to set up first fixed plate, second fixed plate, first fixed block and second fixed block in activity centre gripping steel sheet subassembly, the first recess and the first through-hole that the top of first fixed plate and second fixed plate set up can be according to the contained angle between cable and the girder steel, through the recess of the same angle of finish machining design, realize the angle change, thereby make large-tonnage girder steel cable briquetting centre gripping formula combination node have the non-perpendicular function of connecting fixedly of roof beam cable.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a schematic sectional view of a mounting position relationship of a large-tonnage steel beam stay cable pressing block clamping type combined node disclosed by the embodiment of the invention;

FIG. 2 is a schematic top view of a large-tonnage steel beam cable pressing block clamping type combined node disclosed by the embodiment of the invention;

FIG. 3 is a schematic view of a stay cable and a press block mounting structure disclosed in the embodiment of the present invention;

FIG. 4 is a schematic structural view of a movable clamping steel sheet assembly according to an embodiment of the disclosure;

FIG. 5 is a schematic cross-sectional view of a movably clamped steel sheet assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a first fixing block according to an embodiment of the disclosure;

FIG. 7 is a schematic diagram of a first fixing plate structure according to an embodiment of the present invention;

FIG. 8 is a schematic view of a gasket structure according to an embodiment of the present invention;

FIG. 9 is a flow chart of a method for manufacturing a large-tonnage steel beam stay cable pressing block clamping type combined node according to an embodiment of the invention.

Reference numerals:

1-a steel beam; 101-mounting holes; 2-a guy cable; 201-briquetting; 3, movably clamping the steel sheet assembly; 301-a first fixation block; 30101-a first groove; 30102-a first via; 30103-a second via; 302-a second fixed block; 303-a first fixing plate; 30301-third via; 30302-second recess; 304-a second fixation plate; 4-a gasket.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to the attached drawings 1-8, a mounting hole 101 is formed in the surface of a steel beam 1, a pressing block 201 is arranged on the surface of an inhaul cable 2, the position of the pressing block 201 is accurately calculated, the deformation influence of the inhaul cable 2 during tensioning is considered, the pressing block 201 and the inhaul cable 2 are formed together, the connection is firmer and more stable, a movable clamping steel sheet assembly 3 is arranged outside the pressing block 201, a gasket 4 is arranged between the movable clamping steel sheet assembly 3 and the pressing block 201, the gasket 4 is used for filling the gap between the movable clamping steel sheet assembly 3 and the pressing block 201, more accurate and reliable fixation is realized, the movable clamping steel sheet assembly 3 is arranged inside the mounting hole 101, the movable clamping steel sheet assembly 3 comprises a first fixing block 301, a second fixing block 302, a first fixing plate 303 and a second fixing plate 304, the first fixing block 301 is arranged on one side of the second fixing, the sizes and the shapes of the first fixed block 301 and the second fixed block 302 are the same, the first fixed block 301 and the second fixed block 302 are symmetrically arranged, the first fixing plate 303 is arranged on one side of the second fixing plate 304, the sizes and the shapes of the first fixing plate 303 and the second fixing plate 304 are the same, the first fixing plate 303 and the second fixing plate 304 are symmetrically arranged, the first fixing plate 303 and the second fixing plate 304 are respectively arranged above the first fixed block 301 and the second fixed block 302, a first groove 30101 is arranged at the top of the first fixed block 301, a first through hole 30102 is arranged at the bottom of the first groove 30101, second through holes 30103 are arranged at two sides of the surface of the first fixed block 301, a third through hole 30301 and a second groove 30302 are sequentially arranged at the top of the first fixing plate 303 from outside to inside, the shape of the first groove 30101 is matched with the shape of the pressing block 201, after the pressing block 201 is placed in the installation hole 101, the first fixing block 301 and the second fixing block 302 are respectively installed at the bottom of the pressing block 201 from the lower part of the installation hole 101, the first fixing plate 303 and the second fixing plate 304 are installed at the top of the pressing block 201 from the upper part of the installation hole 101, the first fixing block 301 and the second fixing block 302 are anchored with the first fixing plate 303 and the second fixing plate 304 through anchor bolts, the first fixing block 301, the second fixing block 302, the first fixing plate 303 and the second fixing plate 304 are respectively welded with the installation hole 101, the stay cable 2 is connected and fixed with the steel beam 1, the stay cable 2 and the steel beam 1 are not fixed through friction force, the connection is more stable and reliable, the first groove 30101 and the first through hole 30102 can be designed into grooves with the same angle through finish machining according to the included angle between the stay cable 2 and the steel, the angle change is realized, so that the clamping type combined node of the large-tonnage steel beam 1, the stay cable 2 and the pressing block 201 has stable and reliable connection performance and the function of non-vertical connection and fixation of the beam and the cable.

Referring to fig. 1 and 8, in the embodiment of the present invention, two shims 4 are provided, and are respectively disposed at the top and the bottom of the pressing block 201, the shim 4 is made of a U-shaped aluminum sheet, the shim 4 is used to fill a gap between the movable clamping steel sheet assembly 3 and the pressing block 201, the second through hole 30103 and the third through hole 30301 are identical in size and shape, and the second through hole 30103 and the third through hole 30301 are used to rivet the first fixing block 301 and the second fixing block 302 with the first fixing plate 303 and the second fixing plate 304 through anchor bolts.

In this embodiment, peg graft respectively gasket 4 and lie in the top and the bottom of briquetting 201 on cable 2, install the below of briquetting 201 with first fixed block 301 and second fixed block 302 simultaneously, install the top of briquetting 201 with first fixed plate 303 and second fixed plate 304, through the crab-bolt with first fixed block 301, second fixed block 302 and first fixed plate 303, second fixed plate 304 anchor is taut, the space between activity centre gripping steel sheet subassembly 3 and the briquetting 201 is fully filled to gasket 4, it is inseparabler to make the connection between centre gripping steel sheet subassembly and the briquetting 201, avoid the condition that the displacement appears between centre gripping steel sheet subassembly and the briquetting 201, realize more accurate reliable fixing.

Referring to fig. 1 and 3 to 7, in this embodiment, an included angle between the first recess 30101 and the first through hole 30102 and the first fixing block 301 ranges from 30 ° to 90 °, and an included angle between the second recess 30302 and the first fixing plate 303 ranges from 30 ° to 90 °.

In this embodiment, the first groove 30101, the first through hole 30102 and the second groove 30302 are designed by fine machining according to the designed angle between the cable 2 and the steel beam 1, and the angles of the first groove 30101, the first through hole 30102 and the second groove 30302 are designed, so that the movable clamping steel sheet assembly 3 is adapted to the cable 2 and the steel beam 1, and the clamping type combined node of the cable 2 pressing block 201 of the large-tonnage steel beam 1 can be tightly and stably fixedly connected at different connection angles between the steel beam 1 and the cable 2, so that the clamping type combined node of the cable 2 pressing block 201 of the large-tonnage steel beam 1 has the function of non-vertical connection and fixation of the beam cable.

Referring to the attached drawings 1-9, a method for clamping type combined nodes by pressing blocks 201 of large-tonnage steel beams 1 and inhaul cables 2 is characterized by comprising the following steps:

s1, setting a pressing block 201, additionally pressing and fixing the steel pressing block 201 at the position of the designed steel beam 1 in the stay cable 2 processing process, accurately calculating the position of the pressing block 201, considering the deformation influence of the stay cable 2 during tensioning, forming the pressing block 201 and the stay cable 2 together, and having better anchoring capability;

s2, installing the inhaul cable 2, reserving an installation hole 101 in the steel beam 1, lifting the steel beam 1 in place by using a hoisting winch, and enabling the pressing block 201 on the surface of the inhaul cable 2 to be in place in the installation hole 101 of the steel beam 1;

s3, installing the gasket 4, and clamping the U-shaped aluminum gasket 4 above and below the fixed pressing block 201, so as to fill the gap between the subsequent movable clamping steel sheet and the fixed pressing block 201 and realize more accurate and reliable fixation;

s4, mounting the movable clamping steel sheet component 3, respectively placing the first fixing plate 303, the second fixing plate 304, the first fixing block 301 and the first fixing block 301 from the upper surface and the lower surface of the steel beam 1, adopting a hammer to knock in place, and when the steel beam 1 and the inhaul cable 2 are difficult to place in place, adopting a hydraulic jack to assist, wrapping the pressing block 201 in the movable clamping steel sheet component 3, and designing an angle change groove through finish machining to realize matching with the inhaul cable 2 and the steel beam 1 when the steel beam 1 and the inhaul cable 2 are not intersected vertically;

and S5, welding, namely riveting the upper end and the lower end of the movable clamping steel sheet component 3 through anchor bolts, then welding the movable clamping steel sheet component 3 and the steel beam 1 circumferentially, calculating according to tonnage, eliminating the anchor bolts, and calculating welding seams to meet requirements, so that the beam-cable system is formed.

The method comprises the following specific implementation steps: in the process of processing the inhaul cable 2, a pressing block 201 made of steel is additionally pressed and fixed at the position of a designed steel beam 1, the position of the pressing block 201 is accurately calculated, the deformation influence of the inhaul cable 2 during tensioning is considered, the pressing block 201 and the inhaul cable 2 are formed together, a mounting hole 101 is reserved in the steel beam 1, the steel beam 1 is lifted to be in place by a hoisting winch, the pressing block 201 on the surface of the inhaul cable 2 is in place in the mounting hole 101 of the steel beam 1, U-shaped aluminum gaskets 4 are clamped above and below the fixed pressing block 201, an adaptive movable clamping steel sheet assembly 3 is selected according to the designed connection angle of the inhaul cable 2 and the steel beam 1, a first fixing block 301 and a second fixing block 302 are respectively arranged at the bottom of the pressing block 201 from the lower part of the mounting hole 101, a first fixing plate 303 and a second fixing plate 304 are arranged at the top of the pressing block 201 from the upper part of, The second fixing plate 304 is anchored, the first fixing block 301, the second fixing block 302, the first fixing plate 303 and the second fixing plate 304 are respectively welded with the mounting hole 101, the stay cable 2 is fixedly connected with the steel beam 1, the beam cable system is formed, the stay cable 1 and the steel beam 2 are not fixed through friction, the connection is more stable and reliable, and therefore the clamping type combined node of the stay cable 2 pressing block 201 of the large-tonnage steel beam 1 has the performance of stable and reliable connection and has the function of beam cable non-vertical connection and fixation.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.