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CN111270766B - A building steel structure beam - Google Patents

A building steel structure beam Download PDF

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Publication number
CN111270766B
CN111270766B CN202010146202.2A CN202010146202A CN111270766B CN 111270766 B CN111270766 B CN 111270766B CN 202010146202 A CN202010146202 A CN 202010146202A CN 111270766 B CN111270766 B CN 111270766B
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China
Prior art keywords
fixedly connected
block
cross
supporting
support
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CN202010146202.2A
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Chinese (zh)
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CN111270766A (en
Inventor
陈建国
陈凯
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JIANGSU BAOLI HEAVY INDUSTRY TECHNOLOGY CO LTD
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JIANGSU BAOLI HEAVY INDUSTRY TECHNOLOGY CO LTD
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Priority to CN202010146202.2A priority Critical patent/CN111270766B/en
Publication of CN111270766A publication Critical patent/CN111270766A/en
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Classifications

    • 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
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/18Adjusting tools; Templates
    • E04G21/1841Means for positioning building parts or elements
    • 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
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2418Details of bolting
    • 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
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2439Adjustable connections, e.g. using elongated slots or threaded adjustment elements
    • 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
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2457Beam to beam connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

本发明公开了一种建筑钢结构梁,涉及建筑梁设计技术领域,针对现有的效率低的问题,现提出如下方案,其包括横梁,所述横梁的上侧通过螺栓固定连接有连接块,所述连接块的上侧固定连接有连接梁,且连接梁的另一端一体成型有固定块,所述固定块的外壁通过螺栓固定连接有顶梁,所述横梁上固定连接有支撑装置,本发明结构简单,使用方便,可以方便的进行固定块的调节,适应一定的误差需要,方便操作,降低工人的劳动强度,可以适应不同的支撑需要,保证整个装置的稳定性。

The invention discloses a building steel structure beam, which relates to the technical field of building beam design. In view of the existing problem of low efficiency, the following scheme is proposed, which comprises a cross beam, a connecting block is fixedly connected to the upper side of the cross beam by bolts, a connecting beam is fixedly connected to the upper side of the connecting block, and a fixing block is integrally formed at the other end of the connecting beam, an outer wall of the fixing block is fixedly connected to a top beam by bolts, and a supporting device is fixedly connected to the cross beam. The invention has a simple structure and is easy to use. The fixing block can be conveniently adjusted to meet certain error requirements, is easy to operate, reduces the labor intensity of workers, can meet different support requirements, and ensures the stability of the entire device.

Description

Building steel structure beam
Technical Field
The invention relates to the technical field of building beam design, in particular to a building steel structure beam.
Background
The beam is a supporting structure on the building, bears shearing force or vertical force in the construction process and the subsequent process of the building, and further ensures the use of the whole building structure.
The existing steel structure beam is generally connected through I-shaped steel and then bolts, and different structures need different cutting and fixing, so that the efficiency and the speed of the whole construction process are reduced.
Disclosure of Invention
The invention provides a building steel structure beam, which solves the problem of low efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a building steel construction roof beam, includes the crossbeam, the upside of crossbeam is through bolt fixedly connected with connecting block, the upside fixedly connected with connecting beam of connecting block, and the other end integrated into one piece of connecting beam has the fixed block, the outer wall of fixed block is through bolt fixedly connected with back timber, fixedly connected with strutting arrangement on the crossbeam.
Preferably, the supporting device comprises supporting blocks fixedly connected with the cross beam, fixing plates symmetrically arranged are fixedly connected to the upper sides of the supporting blocks, a first supporting shaft is rotationally connected to the middle of each fixing plate, first limiting rings are integrally formed at two ends of each first supporting shaft, limiting pins which are slidingly sleeved with the fixing plates are slidingly sleeved on the first limiting rings, supporting rods are fixedly sleeved on the outer walls of the first supporting shafts, two supporting rods are rotationally connected with second supporting shafts at one ends of the supporting rods, second limiting rings are integrally formed at two ends of each second supporting shaft, each second limiting ring is fixedly connected with the corresponding supporting rod through a pin, a working block is fixedly sleeved on the outer walls of the second supporting shafts, and one side of each working block is fixedly connected with the connecting beam.
Preferably, the cross beam, the connecting beam and the top beam all adopt I-shaped structures, and the cross section of the connecting block adopts U-shaped structures.
Preferably, the upper side fixedly connected with supporting shoe of connecting block, the upside and the tie-beam fixed connection of supporting shoe.
Preferably, the fixing plate is provided with a plurality of pin holes, the limiting pins are positioned in the pin holes, and the limiting pins are in sliding connection with the hole walls of the pin holes.
Preferably, the cross section of the working block adopts a T-shaped structure, and the cross section of the supporting block adopts a U-shaped structure.
The invention has the beneficial effects that:
1. Through the fixed plate that can remove, can be convenient carry out the regulation of fixed block, put and conveniently install and fix, adapt to certain error needs, convenient operation reduces workman's intensity of labour.
2. Through the strutting arrangement of different angles, can adapt to different support needs, and cup joint on the crossbeam, conveniently install, and connect two tie-beams, and then further guarantee the stability of whole device.
Drawings
FIG. 1 is a schematic cross-sectional front view of a structural beam of a structural steel for construction in accordance with the present invention;
FIG. 2 is a schematic left-hand cross-sectional view of a structural beam of a structural steel in accordance with the present invention;
fig. 3 is an enlarged schematic view of a portion a of a steel structural beam for construction according to the present invention.
In the figure, the reference numerals are 1 cross beam, 2 supporting blocks, 3 connecting blocks, 4 connecting beams, 5 fixing plates, 6 supporting rods, 7 working blocks, 8 second limiting rings, 9 first limiting rings, 10 fixing blocks, 11 top beams, 12 second supporting shafts, 13 first supporting shafts and 14 limiting pins.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 3, a building steel structure beam comprises a beam 1, wherein a connecting block 3 is fixedly connected to the upper side of the beam 1 through bolts, a connecting beam 4 is fixedly connected to the upper side of the connecting block 3, a fixing block 10 is integrally formed at the other end of the connecting beam 4, a top beam 11 is fixedly connected to the outer wall of the fixing block 10 through bolts, a supporting device is fixedly connected to the beam 1, during installation, the beam 1 is firstly installed and fixed to a designated position, then the connecting block 3 is slidably sleeved on the beam 1, meanwhile, the connecting block 3 is moved, the fixing block 10 is clamped on the top beam 11 and is fixed through bolts, then the connecting block 3 is appropriately adjusted, finally the fixing block 10 is fixed through bolts, and the supporting device is sleeved on the sleeve at the moment to adjust and then fix.
The supporting device comprises supporting blocks 2 fixedly connected with a cross beam 1, fixing plates 5 which are symmetrically arranged are fixedly connected to the upper sides of the supporting blocks 2, first supporting shafts 13 are rotatably connected to the middle of the fixing plates 5, first limiting rings 9 are integrally formed at two ends of the first supporting shafts 13, limiting pins 14 which are slidably sleeved with the fixing plates 5 are slidably sleeved on the first limiting rings 9, supporting rods 6 are fixedly sleeved on the outer walls of the first supporting shafts 13, second supporting shafts 12 are rotatably connected to one ends of the two supporting rods 6, second limiting rings 8 are integrally formed at two ends of the second supporting shafts 12, the second limiting rings 8 are fixedly connected with the supporting rods 6 through pins, working blocks 7 are fixedly sleeved on the outer walls of the second supporting shafts 12, one sides of the working blocks 7 are fixedly connected with a connecting beam 4, the supporting device is mounted on the cross beam 1 through the supporting blocks 2 and then moves, the working blocks 7 are extruded to the lower sides of the connecting beam 4 and are fixedly connected through bolts, and meanwhile, the working blocks 7 and the supporting rods 6 can be provided with different supporting angles in production through the first limiting rings 9 and the second limiting rings 8.
The cross beam 1, the connecting beam 4 and the top beam 11 all adopt I-shaped structures, the cross section of the connecting block 3 adopts U-shaped structures, the I-shaped structures increase the strength of the steel structure, and meanwhile, the U-shaped structures are convenient to install and fix.
The upside fixedly connected with supporting shoe of connecting block 3, the upside and the tie-beam 4 fixed connection of supporting shoe, the supporting shoe carries out certain support, guarantees the rigidity of tie-beam 4 bottom, increase of service life.
Be provided with a plurality of pinholes on the fixed plate 5, limiting pin 14 is located the pinhole, and limiting pin 14 and the pore wall sliding connection of pinhole, can be when the production convenient change bracing piece 6 inclination through the pinhole, convenient going on of work.
The cross section of the working block 7 adopts a T-shaped structure, and the cross section of the supporting block 2 adopts a U-shaped structure.
During installation, the cross beam 1 is installed and fixed to a designated position, the connecting block 3 is sleeved on the cross beam 1 in a sliding mode, meanwhile, the connecting block 3 is moved, the fixing block 10 is clamped on the top beam 11 and fixed through bolts, then the connecting block 3 is properly adjusted, finally the connecting block 3 is fixed through bolts, the supporting block 2 is sleeved at the moment, the supporting device is installed on the cross beam 1, then the connecting block 7 is extruded to the lower side of the connecting beam 4 and is fixedly connected through the bolts, meanwhile, a certain inclination angle is given to the connecting block 7 and the supporting rod 6 during production through the first limiting ring 9 and the second limiting ring 8, different supporting requirements are met, and adjustment and then fixation are carried out.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (4)

1.一种建筑钢结构梁,包括横梁(1),其特征在于,所述横梁(1)的上侧通过螺栓固定连接有连接块(3),所述连接块(3)的上侧固定连接有连接梁(4),且连接梁(4)的另一端一体成型有固定块(10),所述固定块(10)的外壁通过螺栓固定连接有顶梁(11),所述横梁(1)上固定连接有支撑装置;1. A building steel structure beam, comprising a cross beam (1), characterized in that a connecting block (3) is fixedly connected to the upper side of the cross beam (1) by bolts, a connecting beam (4) is fixedly connected to the upper side of the connecting block (3), and a fixing block (10) is integrally formed at the other end of the connecting beam (4), an outer wall of the fixing block (10) is fixedly connected to a top beam (11) by bolts, and a supporting device is fixedly connected to the cross beam (1); 所述支撑装置包括与横梁(1)固定连接的支撑块(2),所述支撑块(2)的上侧固定连接有对称设置的固定板(5),所述固定板(5)的中间转动连接有第一支撑轴(13),所述第一支撑轴(13)的两端一体成型有第一限定圈(9),所述第一限定圈(9)上滑动套接有与固定板(5)滑动套接的限定销(14),所述第一支撑轴(13)的外壁固定套接有支撑杆(6),两个所述支撑杆(6)的一端转动连接有第二支撑轴(12),所述第二支撑轴(12)的两端均一体成型有第二限定圈(8),所述第二限定圈(8)通过销钉与支撑杆(6)固定连接,所述第二支撑轴(12)的外壁固定套接有工作块(7),所述工作块(7)的一侧与连接梁(4)固定连接;The support device comprises a support block (2) fixedly connected to the cross beam (1), the upper side of the support block (2) is fixedly connected to a symmetrically arranged fixing plate (5), the middle of the fixing plate (5) is rotatably connected to a first support shaft (13), both ends of the first support shaft (13) are integrally formed with first limiting rings (9), a limiting pin (14) slidably sleeved on the first limiting ring (9) and slidably sleeved with the fixing plate (5), a support rod (6) is fixedly sleeved on the outer wall of the first support shaft (13), one end of the two support rods (6) is rotatably connected to a second support shaft (12), both ends of the second support shaft (12) are integrally formed with a second limiting ring (8), the second limiting ring (8) is fixedly connected to the support rod (6) via a pin, a working block (7) is fixedly sleeved on the outer wall of the second support shaft (12), and one side of the working block (7) is fixedly connected to the connecting beam (4); 所述连接块(3)的上侧固定连接有支撑块,所述支撑块的上侧与连接梁(4)固定连接。The upper side of the connection block (3) is fixedly connected to a support block, and the upper side of the support block is fixedly connected to a connection beam (4). 2.根据权利要求1所述的一种建筑钢结构梁,其特征在于,所述横梁(1)、连接梁(4)和顶梁(11)均采用工字型结构,所述连接块(3)的横截面采用U形结构。2. A building steel structure beam according to claim 1, characterized in that the cross beam (1), the connecting beam (4) and the top beam (11) all adopt an I-shaped structure, and the cross section of the connecting block (3) adopts a U-shaped structure. 3.根据权利要求1所述的一种建筑钢结构梁,其特征在于,所述固定板(5)上设置有多个销孔,所述限定销(14)位于销孔内,且限定销(14)与销孔的孔壁滑动连接。3. A building steel structure beam according to claim 1, characterized in that a plurality of pin holes are provided on the fixing plate (5), the limiting pin (14) is located in the pin hole, and the limiting pin (14) is slidably connected to the hole wall of the pin hole. 4.根据权利要求1所述的一种建筑钢结构梁,其特征在于,所述工作块(7)的横截面采用T形结构上,所述支撑块(2)的横截面采用U形结构。4. A building steel structure beam according to claim 1, characterized in that the cross section of the working block (7) adopts a T-shaped structure, and the cross section of the supporting block (2) adopts a U-shaped structure.
CN202010146202.2A 2020-03-05 2020-03-05 A building steel structure beam Active CN111270766B (en)

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Publication number Priority date Publication date Assignee Title
CN112761378A (en) * 2021-01-28 2021-05-07 吉林师范大学博达学院 Traditional village building protection device
CN113062453B (en) * 2021-03-24 2022-09-02 机械工业第九设计研究院股份有限公司 Assembled steel construction building special-shaped structure post

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203779001U (en) * 2014-01-15 2014-08-20 金寨县伟明机械制造有限公司 Angle regulating device for welding gun of periphery automatic welding machine
CN206673881U (en) * 2017-04-13 2017-11-24 朱峰 A kind of integrated roof of green building
CN212200765U (en) * 2020-03-05 2020-12-22 江苏宝力重工科技有限公司 Building steel structure beam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2984502T3 (en) * 2017-02-24 2024-10-29 Parkd Ltd Prestressed structural beam and method for erecting a building structure comprising the beam
CN208112562U (en) * 2018-04-17 2018-11-16 江苏明耀光伏科技有限公司 A kind of adjustable photovoltaic support being easily installed
CN209989927U (en) * 2019-03-13 2020-01-24 福建鑫晟钢业有限公司 A prefabricated steel structure building

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203779001U (en) * 2014-01-15 2014-08-20 金寨县伟明机械制造有限公司 Angle regulating device for welding gun of periphery automatic welding machine
CN206673881U (en) * 2017-04-13 2017-11-24 朱峰 A kind of integrated roof of green building
CN212200765U (en) * 2020-03-05 2020-12-22 江苏宝力重工科技有限公司 Building steel structure beam

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