CN108999279B - Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column - Google Patents

Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column Download PDF

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Publication number
CN108999279B
CN108999279B CN201810932047.XA CN201810932047A CN108999279B CN 108999279 B CN108999279 B CN 108999279B CN 201810932047 A CN201810932047 A CN 201810932047A CN 108999279 B CN108999279 B CN 108999279B
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China
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double
connecting piece
spliced
wooden beam
resistant
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CN201810932047.XA
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CN108999279A (en
Inventor
叶建
王利文
于福承
杜鹏飞
张体华
陈少东
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China Construction Third Engineering Bureau Co Ltd
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China Construction Third Engineering Bureau Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material

Abstract

The invention discloses a connecting device of a wind-resistant, pressure-resistant and shock-resistant double-spliced wooden beam and a supporting steel column, which comprises the double-spliced wooden beam and the supporting steel column, and further comprises a vertical connecting piece and a transverse connecting piece, wherein the vertical connecting piece longitudinally penetrates through the middle of the double-spliced wooden beam, the lower part of the vertical connecting piece is connected with the supporting steel column, the transverse connecting piece transversely penetrates through the middle of the double-spliced wooden beam, and the vertical connecting piece and the transverse connecting piece are staggered in a cross shape in space, namely not in the same vertical plane. The double-spliced wooden beam comprises the vertical connecting pieces and the transverse connecting pieces, and is reinforced from a plurality of different directions of the double-spliced wooden beam, so that the double-spliced wooden beam and the support steel column are firmly and reliably connected, the stress requirements of wind resistance, compression resistance and earthquake resistance are met, and the long-term stability of the structure can be ensured.

Description

Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column
Technical Field
The invention relates to the technical field of construction engineering, in particular to a connecting device of a wind-resistant, pressure-resistant and earthquake-resistant double-spliced wooden beam and a support steel column.
Background
In the connecting node of the wood roof and the steel column supporting structure, the wood roof is poor in wind resistance and high in upward wind pressure, so that the connecting node resists upward force in the direction, and the key point of the node design is realized. As shown in fig. 1, the connection manner of the conventional wood roof and the steel column support structure is generally as follows: and the bottom of the arc-shaped beam is fixedly connected with a steel plate through a long screw, and then the steel plate is connected with the lower supporting steel column. The method only provides the anti-pulling force by the long screw, so that the stress requirement of the structure is difficult to meet, the nail holding force of the arc-shaped wood beam is reduced along with the lapse of time, the safety of the structure is influenced, and the method has larger potential safety hazard under the action of external force such as wind pressure and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a connecting device of a wind-resistant, pressure-resistant and earthquake-resistant double-spliced wooden beam and a support steel column.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a wind-resistant resistance to compression shock resistant double pin wooden roof beam and support steel column's connecting device, includes double pin wooden roof beam and support steel column, the device still includes vertical connecting piece and transverse connection spare, vertical connecting piece vertically run through in the centre of double pin wooden roof beam, the lower part of vertical connecting piece with it is connected to support the steel column, transverse connection spare transversely run through in the centre of double pin wooden roof beam, vertical connecting piece with transverse connection spare is dislocation cross type in the space, promptly not in same vertical face.
Furthermore, the vertical connecting piece consists of a first screw cap, a screw rod, an upper steel plate, a steel pipe, a lower steel plate and a long screw, and is used for reinforcing the upper surface and the lower surface of the double-spliced wooden beam; the transverse connecting piece is composed of a second nut and a long bolt and used for reinforcing the side face of the double-spliced wooden beam.
Furthermore, the double-spliced wooden beam is formed by arranging two wooden beams in parallel at intervals, grooves are formed in the upper surfaces of the inner sides of the two wooden beams and used for placing the upper steel plate, and the upper steel plate is connected with the steel pipe through the screw; the steel pipe is arranged between the two wood beams, and the lower steel plate is fixed on the lower surface of the double-spliced wood beam through the long screws and used for connecting the steel pipe and the supporting steel column.
Furthermore, the outer side surfaces of the two wood beams are provided with circular grooves, and through holes are formed in the middle of the wood beams and used for placing the long bolts.
Preferably, the width of the groove is the same as the width of the upper steel plate, and the depth of the groove is the same as the thickness of the upper steel plate.
Preferably, the screw is a full-thread screw, and the steel pipe is a square steel pipe.
Preferably, the double-spliced wooden beam is an arc-shaped glued wooden beam.
Preferably, the support steel columns are fixed with the lower steel plate through welding.
Compared with the prior art, the invention has the following beneficial effects:
(1) the double-spliced wood arc beam comprises a vertical connecting piece and a transverse connecting piece, wherein the vertical connecting piece converts upward pressure applied to the double-spliced wood arc beam into tensile force of a middle steel pipe and is rigidly connected with a lower supporting steel column to ensure structural stress; the transverse connecting piece is reinforced through a long bolt, so that the node structure is stabilized, and the transverse stress is balanced; the double-spliced wooden beam is reinforced from a plurality of different directions, so that the double-spliced wooden beam and the support steel column are firmly and reliably connected, the stress requirements of wind resistance, compression resistance and earthquake resistance are met, and the long-term stability of the structure can be ensured;
(2) the invention has simple construction and reasonable structure stress, the connecting rod piece can not cause the reduction of tensile strength along with the time lapse, and the service life is prolonged;
(3) the invention overcomes the problem that the width of the glued wood arc beam is small due to the limitation of raw materials, the width of the beam is transversely increased, and the length requirement of the lap joint of the secondary beam is met.
Drawings
FIG. 1 is a schematic view of a connection structure of a double-spliced wooden beam and a support steel column in the prior art;
FIG. 2 is a schematic view of a connection structure of a double-spliced wooden beam and a support steel column according to the present invention;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is an enlarged view of a portion of the vertical connector of the present invention.
Detailed Description
As shown in fig. 1, the connection manner of the conventional wood roof and the steel column support structure is generally as follows: and the bottom of the arc-shaped beam is fixedly connected with a steel plate through a long screw, and then the steel plate is connected with the lower supporting steel column. The method only provides the anti-pulling force by the long screw, so that the stress requirement of the structure is difficult to meet, the nail holding force of the arc-shaped wood beam is reduced along with the lapse of time, the safety of the structure is influenced, and the method has larger potential safety hazard under the action of external force such as wind pressure and the like.
In order to overcome the defects of the prior art, the invention provides a connecting device of a wind-resistant, pressure-resistant and earthquake-resistant double-spliced wooden beam and a support steel column. As shown in fig. 2-4, the present invention comprises a double-spliced wooden beam 1 and supporting steel columns 2, and unlike the prior art, the present invention further comprises vertical connectors and transverse connectors. The vertical connecting piece vertically runs through the middle of the double-spliced wooden beam 1, the lower part of the vertical connecting piece is connected with the supporting steel column 2, the transverse connecting piece transversely runs through the middle of the double-spliced wooden beam 1, and the vertical connecting piece and the transverse connecting piece are staggered in a cross shape in space, namely not in the same vertical plane.
The vertical connecting piece consists of a first screw cap 3, a screw rod 4, an upper steel plate 5, a steel pipe 6, a lower steel plate 7 and a long screw 8 and is used for reinforcing the upper surface and the lower surface of the double-spliced wooden beam 1; the transverse connecting piece consists of a second nut 9 and a long bolt 10 and is used for reinforcing the side surface of the double-spliced wooden beam 1.
In particular, the double-spliced wooden beam 1 is formed by arranging two wooden beams in parallel at intervals, and the invention is particularly suitable for the case that the double-spliced wooden beam 1 is an arc-shaped glued wooden beam. As shown in fig. 2, the upper surfaces of the inner sides of the two wooden beams are both provided with grooves 11 for placing the upper steel plate 5, for the purpose of accurate position limitation, the width of the grooves 11 is the same as the width of the upper steel plate 5, and the depth of the grooves 11 is the same as the thickness of the upper steel plate 5.
The upper steel plate 5 is connected with a steel pipe 6 through a screw rod 4, preferably, the screw rod 4 is a full-thread screw rod, and the steel pipe 6 is a square steel pipe. The steel pipe 6 is arranged in the middle of the two wooden beams, the length of the steel pipe 6 is approximately equal to the height of the two wooden beams, namely the steel pipe 6 penetrates through the middle of the two wooden beams in the vertical direction. The lower steel plate 7 is fixed on the lower surface of the double-spliced wooden beam through a long screw 8 and is used for connecting the steel pipe 6 and the supporting steel column 2. The supporting steel column 2 and the lower steel plate 7 are fixed together, and the connection mode of the supporting steel column 2 and the lower steel plate is a rigid fixed connection mode such as welding. The vertical connecting piece converts upward pressure on the double-spliced wood arc beam into tensile force of the steel pipe 6, and is rigidly connected with the lower supporting steel column 2, so that the stress capacity of the structure is ensured, and the service life is prolonged.
As shown in fig. 2, the outer side surfaces of the two wooden beams are both provided with circular grooves 12, and the middle of the two wooden beams is provided with a through hole for placing the long bolt 10. The transverse connecting piece is reinforced through the long bolt 10, and is reinforced from the side surface, so that the node structure is stabilized, and the transverse stress is balanced. Vertical connecting piece and transverse connection piece consolidate from a plurality of not equidirectional of two-piece wood roof beam, make two-piece wood roof beam and support steel column's firm in connection reliable, have satisfied the antidetonation atress demand of anti-wind resistance to compression, and can guarantee that the structure is stable for a long time. It should be noted that the front-back position relationship of the vertical connecting piece and the transverse connecting piece in the invention can be adjusted according to actual needs, and is not limited to the position relationship shown in the figure.
In the using process, the assembling construction method is carried out according to the following steps.
The method comprises the following steps: positioning and paying off are carried out on the double-spliced wooden beam 1, and according to the positioning and paying off, grooves 11 are formed in the upper surface of the opposite inner side of the double-spliced wooden beam 1 and used for placing the upper steel plate 5;
step two: in the horizontal direction, holes are formed by using a reinforced electric drill, circular grooves 12 are formed in the outer side surfaces (outward surfaces) of the double-spliced wooden beams 1, a through hole is formed between the two circular grooves 12, and the two beams are symmetrically formed at the parallel butt joint positions; in order to ensure the appearance integrity of the double-spliced wooden beam 1, the end part of the long bolt 10 of the transverse connecting piece is designed to be hidden;
step three: in the vertical direction, a vertical connecting piece consisting of a first screw cap 3, a screw rod 4, an upper steel plate 5, a steel pipe 6, a lower steel plate 7 and a long screw 8 is arranged; firstly, fixing two sections of arc glued wood beams on a processing table, temporarily supporting the middle parts of the two sections of arc glued wood beams through wood cushion blocks with the same height as that of a steel pipe 6, inserting the steel pipe 6 into the middle parts of the two beams from bottom to top, sleeving an upper steel plate 5 into a screw rod 4, adding a steel gasket, sleeving a first screw cap 3, and manually screwing;
step four: and in the transverse horizontal direction, a long bolt 10 is inserted into the through hole, the positions of the two sections of beams are adjusted to ensure the accurate positions of the beams, a second nut 9 is placed into a circular groove 12 on the other side, and the beams are screwed down by a groove wrench to complete the assembly.
The invention has simple construction and reasonable structure stress, the connecting rod piece can not cause the reduction of tensile strength along with the time lapse, and the service life is prolonged. The double-spliced wooden beam is reinforced from a plurality of different directions, so that the double-spliced wooden beam and the support steel column are firmly and reliably connected, the stress requirements of wind resistance, pressure resistance and earthquake resistance are met, and the long-term stability of the structure can be ensured. The invention overcomes the problem that the width of the glued wood arc beam is small due to the limitation of raw materials, the width of the beam is transversely increased, and the length requirement of the lap joint of the secondary beam is met.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (6)

1. The utility model provides an anti-wind resistance to compression shock resistant double pin wooden roof beam and support steel column's connecting device, includes double pin wooden roof beam and support steel column, its characterized in that: the device also comprises a vertical connecting piece and a transverse connecting piece, wherein the vertical connecting piece longitudinally penetrates through the middle of the double-spliced wooden beam, the lower part of the vertical connecting piece is connected with the supporting steel column, the transverse connecting piece transversely penetrates through the middle of the double-spliced wooden beam, and the vertical connecting piece and the transverse connecting piece are staggered in a cross shape in space, namely not in the same vertical plane; the vertical connecting piece consists of a first nut, a screw rod, an upper steel plate, a steel pipe, a lower steel plate and a long screw and is used for reinforcing the upper surface and the lower surface of the double-spliced wooden beam; the transverse connecting piece consists of a second nut and a long bolt and is used for reinforcing the side surface of the double-spliced wooden beam; the double-spliced wooden beam is formed by arranging two wooden beams in parallel at intervals, grooves are formed in the upper surfaces of the inner sides of the two wooden beams and used for placing the upper steel plate, and the upper steel plate is connected with the steel pipe through the screw; the steel pipe is arranged between the two wood beams, and the lower steel plate is fixed on the lower surface of the double-spliced wood beam through the long screws and used for connecting the steel pipe and the supporting steel column.
2. The connection device of claim 1, wherein: and circular grooves are formed in the outer side surfaces of the two wood beams, and through holes are formed in the middle of the wood beams and used for placing the long bolts.
3. The connection device of claim 2, wherein: the width of the groove is the same as that of the upper steel plate, and the depth of the groove is the same as that of the upper steel plate.
4. A connection device according to any of claims 1-3, characterized in that: the screw rod is a full-thread screw rod, and the steel pipe is a square steel pipe.
5. The connection device of claim 4, wherein: the double-spliced wooden beam is an arc-shaped glued wooden beam.
6. The connection device of claim 5, wherein: and the supporting steel column is fixed with the lower steel plate in a welding mode.
CN201810932047.XA 2018-08-16 2018-08-16 Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column Active CN108999279B (en)

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Application Number Priority Date Filing Date Title
CN201810932047.XA CN108999279B (en) 2018-08-16 2018-08-16 Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column

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Application Number Priority Date Filing Date Title
CN201810932047.XA CN108999279B (en) 2018-08-16 2018-08-16 Connecting device of wind-resistant, compression-resistant and shock-resistant double-spliced wooden beam and supporting steel column

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CN108999279B true CN108999279B (en) 2020-03-10

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101095089B1 (en) * 2009-12-11 2011-12-16 김상길 Concrete partial filling apparatus using hanging mould, connection apparatus between steel tube column and H beam, and construction method of concrete partial filling type using the same
CN203200985U (en) * 2013-02-06 2013-09-18 中国核电工程有限公司 Light steel structure plant wind-resisting column and roof beam connection structure
CN104533014B (en) * 2014-12-24 2016-05-25 南京工业大学 A kind of built-in prestressed timber beam
CN104594509B (en) * 2015-01-12 2016-11-16 金陵科技学院 The twin beams of a kind of movable plank house and the attachment structure of diagonal brace
CN206616707U (en) * 2017-03-28 2017-11-07 上海市城市建设设计研究总院(集团)有限公司 Concealed wooden frame and steel column connecting joint structure
CN107268891A (en) * 2017-06-26 2017-10-20 东北林业大学 A kind of controllable prestressing force laminated wood string continuous beam
CN207260451U (en) * 2017-09-15 2018-04-20 山东雅百特科技有限公司 Roofing aluminium alloy bearing wind resistance takes off system
CN207700392U (en) * 2017-12-19 2018-08-07 南通市建筑设计研究院有限公司 A kind of gate periphery wind resisting structure

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