CN101387131B - Cable support welding sphere joints of wide span prestressing force beam string structure and manufacturing method thereof - Google Patents

Cable support welding sphere joints of wide span prestressing force beam string structure and manufacturing method thereof Download PDF

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Publication number
CN101387131B
CN101387131B CN 200810151782 CN200810151782A CN101387131B CN 101387131 B CN101387131 B CN 101387131B CN 200810151782 CN200810151782 CN 200810151782 CN 200810151782 A CN200810151782 A CN 200810151782A CN 101387131 B CN101387131 B CN 101387131B
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steel
welding
ball
steel ball
reeving
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CN101387131A (en
Inventor
王存贵
秦杰
陈新礼
余流
程义吉
李�真
杜澎泉
李永红
袁文起
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BEIJING ACADEMY OF BUILDING ENGINEERING
First Construction Co ltd Of China Construction Sixth Engineering Bureau
China Construction Sixth Engineering Division Co Ltd
Third Construction Engineering Co Ltd of China Construction Sixth Engineering Division Co Ltd
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BEIJING RESEARCH INST OF BUILDING ENGINEERING
China Construction Sixth Engineering Division Co Ltd
China Construction Sixth Engineering Bureau Industry Equipment Installation Co Ltd
Third Construction Engineering Co Ltd of China Construction Sixth Engineering Division Co Ltd
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Priority to CN 200810151782 priority Critical patent/CN101387131B/en
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Abstract

The invention discloses a welding ball node of an inhaul cable support saddle for a large-span prestressed chord tension structure, which comprises a reeving steel pipe in the centre of the node. A circular ring baffle plate is welded at one end of the reeving steel pipe, a plurality of steel ball reinforcing steel plates welded around the reeving steel pipe are welded at the back of the circular ring baffle plate, a hollow steel ball clack is welded between the adjacent reinforcing steel plates, and all the hollow steel ball clacks form a hollow steel ball; two ends of the hollow steel ball clack are welded with the excircle of the reeving steel pipe, and a pedestal connected with a ball hinging support saddle at the top of a column is welded below the hollow steel ball. The invention also discloses a method for manufacturing the node. The welding ball node has advantages that the production period is greatly shortened and the quality can be ensured; main materials of the welding ball and the steel plate are far cheaper than steel casting material with the same property; the production technique is simple, so the welding ball node has good economy; and the prior products and materials are welded and assembled without sinking mould and casting so that the materials and energy source consumption are correspondingly reduced.

Description

Large-span prestressed beam string structure drag-line support welding sphere joints and manufacture method thereof
Technical field
The present invention relates to a kind of building structure with node and manufacture method thereof, particularly relate to a kind of large-span prestressed beam string structure drag-line support welding sphere joints and manufacture method thereof.
Background technology
At present, for large-span prestressed beam string structure, its drag-line support node adopts cast steel node more, the advantage of this node: shape compliance is relatively good, can be cast as different shape as required, to adapt to the stressed of support node complexity and structure requirement; Weak point: 1. because cast steel node production technology more complicated causes the production cycle long, the duration to whole building impacts easily, and 2. economy is bad, and the cast steel of identical performance is expensive more a lot of than price of steel product.
Summary of the invention
The present invention provides for solving the technical problem that exists in the known technology that a kind of production technology is simple, large-span prestressed beam string structure drag-line support welding sphere joints of low cost of manufacture and manufacture method thereof.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of large-span prestressed beam string structure drag-line support welding sphere joints, comprise the steel pipe of reeving that is in the node center position, the end of steel pipe of reeving is welded with the annulus baffle plate, be welded with in annulus baffle plate back around reeve steel pipe and with a plurality of steel balls of its welding steel plate of putting more energy into, adjacent putting more energy into is welded with the hollow steel ball clack between the steel plate, all hollow steel ball clacks constitute a hollow steel ball, be welded with the base that is connected with the ball hinged support of capital below the cylindrical welding of the both ends of described hollow steel ball clack and the steel pipe of reeving, described hollow steel ball.
By a plurality of little steel plate welding of putting more energy into, described little steel plate is welded on the steel pipe of reeving simultaneously between described annulus baffle plate and the hollow steel ball.
Described firm banking is provided with the reinforcing supporting steel plate and the base plate that is connected with the ball hinged support of capital with the hollow steel ball welding, described reinforcing supporting steel plate and base plate welding.
Manufacture method of the present invention may further comprise the steps:
(1) finishes the processing of the steel pipe of reeving;
(2) a plurality of steel balls of the welding steel plate of putting more energy on the steel pipe of reeving;
(3) adjacent steel ball is put more energy between the steel plate by the welding of hollow steel ball clack, the two ends of hollow steel ball clack and the steel pipe welding of reeving, and all hollow steel ball clacks constitute a hollow steel ball;
(4) below hollow steel ball, weld base;
(5) reeve in the hollow steel ball front end welding annulus baffle plate of steel pipe, annulus baffle plate simultaneously with the steel ball steel plate welding of putting more energy into.
Further comprising the steps of:
(6) weld by a plurality of little steel plates of putting more energy between annulus baffle plate and the hollow steel ball clack, described little steel plate also welds with the steel pipe of reeving.
Advantage and good effect that the present invention has are: 1. form put more energy into steel plate, base of the required steel plate of hollow steel ball clack of welded hollow steel ball and steel ball and strengthen materials such as gripper shoe, little steel plate and all can buy ready-made product on market, the solder technology that assembling is adopted is also very ripe, therefore, production cycle shortens greatly, and can ensure the quality of products; 2. the price of main material solder sphere and steel plate is more much lower than the cast steel material of identical performance, and production technology is simple, makes it have good and economic; 3. adopt existing product and material to carry out welding assembly fully, do not need die sinking tool and casting, correspondingly reduced material and energy consumption.
Description of drawings
Fig. 1 is the structural representation that manufacture method step of the present invention (1) is finished;
Fig. 2-a is the part-structure schematic diagram that manufacture method step of the present invention (2) is finished;
Fig. 2-b is the structural representation that manufacture method step of the present invention (2) is finished;
Fig. 3 is the structural representation that manufacture method step of the present invention (3) is finished;
Fig. 4-a is the part-structure schematic diagram that manufacture method step of the present invention (4) is finished;
Fig. 4-b is the further part-structure schematic diagram that manufacture method step of the present invention (4) is finished;
Fig. 4-c is the structural representation that manufacture method step of the present invention (4) and step (5) are finished;
Fig. 5 is structural representation that is the structural representation of the present invention that manufacture method step of the present invention (6) is finished;
Fig. 6 is with node and schematic diagram after main couple is connected;
Fig. 7 is the node schematic diagram after the drag-line installation.
Among the figure: 1, base plate, 2,6,7,12, the steel ball steel plate of putting more energy into, 3,4,5, reinforce supporting steel plate, 8, the steel pipe of reeving, 9, the hollow steel ball clack, 10, little steel plate, 11, the annulus baffle plate.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
The rod member of stay cable end node junction is more, and is stressed big and be in stressed key position, and has prestressed cable to pass therethrough, and causes the structure of node very complicated.Through relatively the stay cable end support node being defined as shown in Figure 5 form with optimizing repeatedly.See also Fig. 1 to Fig. 6, a kind of large-span prestressed beam string structure drag-line support welding sphere joints, comprise the steel pipe 8 of reeving that is in the node center position, the end of steel pipe 8 of reeving is welded with annulus baffle plate 11, in annulus baffle plate 11 back (direction as shown, following direction is direction as shown) be welded with around reeve steel pipe and with a plurality of steel balls of its welding steel plate 2 of putting more energy into, 6,7,12, adjacent putting more energy into is welded with hollow steel ball clack 9 between the steel plate, all hollow steel ball clacks 9 constitute a hollow steel ball, be welded with the base that is connected with the ball hinged support of capital below the cylindrical welding of the both ends of described hollow steel ball clack 9 and the steel pipe 8 of reeving, described hollow steel ball.For improve further hollow steel ball stressing conditions, by a plurality of little steel plates 10 welding of putting more energy into, described little steel plate 10 is welded on the steel pipe 8 of reeving simultaneously between described annulus baffle plate 11 and the hollow steel ball.In order to realize that this node is connected with the firm of hinged-support, described firm banking is provided with the reinforcing supporting steel plate 3,4,5 and the base plate 1 that is connected with the ball hinged support of capital with the hollow steel ball welding, reinforces the welding of supporting steel plate and base plate.
Specific implementation process is described below:
At first determine the steel pipe 8 of reeving, steel pipe 8 is in the center of node owing to reeve, other important node plates all weld thereon, so the steel pipe 8 of determining to reeve is thick-walled pipe φ 508mm * 40mm, the rigidity that can increase whole node is so also transmitted the pulling force of drag-line smoothly; 4 thick steel balls of 30mm of welding steel plate 2,6,7,12 of putting more energy on the steel pipe 8 of reeving then; The 3rd step will be divided into four hollow steel ball and be welded in steel ball and put more energy on the steel plate, and hollow ball supports mutually that with the steel plate of putting more energy into the external diameter of hollow steel ball is 1360mm, and hollow steel ball is made the steel ball lobe by the steel plate punching press and is welded.So far the major part of node forms; The 4th step some plates 1,3,4,5,10,11 of welding below solder sphere link to each other with the ball hinged support of capital in the future and are convenient to install drag-line.
Need to prove: the put more energy into quantity of steel plate of steel ball can specifically determine according to the stressing conditions of hollow steel ball, is not limited to above-mentioned four, and the put more energy into quantity of steel plate of the quantity of steel ball lobe and steel ball is identical.
The manufacture method of above-mentioned welded spherical node may further comprise the steps:
(1) steel pipe 8 completion of processing of reeving see also Fig. 1.
(2) a plurality of steel balls of the welding steel plate of putting more energy on the steel pipe of reeving.
See also Fig. 2-a, put more energy into steel plate 6,12 and the steel pipe 8 of reeving of steel ball welded; See also Fig. 2-b, put more energy into steel plate 2,7 and the steel pipe 8 of reeving of steel ball welded; Two groups of steel plates weld everybody earlier can.
Need to prove: steel ball is put more energy into steel plate can be a plurality of according to the welding of the intensity needs of hollow steel ball, for example: 4 or 6 or 8 or 16 etc.In the present embodiment, the steel ball steel plate of putting more energy into has adopted 4.
(3) with steel ball lobe 9 with the adjacent steel plate of putting more energy into, steel pipe welds with reeving; All hollow steel ball clacks 9 constitute a hollow steel ball.See also Fig. 3.
(4) below hollow steel ball, weld base.
Reinforcement of weld gripper shoe under hollow steel ball is extended stiffener 12 downwards in the present embodiment, makes its double reinforcing gripper shoe of doing base.
See also Fig. 4-a, the base plate 1 that welding is connected with hinged-support below reinforcing gripper shoe.
See also Fig. 4-b, the horizontal reinforcement gripper shoe 4,5 of welding base between hollow steel ball and base plate.
See also Fig. 4-c, vertical reinforcement gripper shoe 3 of welding base between hollow steel ball and base plate.
The concrete structure that need to prove base can specifically be determined according to condition of construction, is not limited to said structure.
(5) reeve in the hollow steel ball front end welding annulus baffle plate 11 of steel pipe, annulus baffle plate 11 simultaneously with steel ball steel plate 2,6,7,12 welding of putting more energy into.See also Fig. 4-c.
(6) weld by a plurality of little steel plates 10 of putting more energy between annulus baffle plate 11 and the hollow steel ball clack 9, described little steel plate 10 also welds with the steel pipe 8 of reeving.Can improve further hollow steel ball stress.See also Fig. 5.So far node assembling is finished.
See also Fig. 6, Fig. 6 is with node and schematic diagram after main couple is connected.
See also Fig. 7, the node schematic diagram after the drag-line installation.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.

Claims (5)

1. one kind large-span prestressed beam string structure drag-line support welding sphere joints, comprise the steel pipe of reeving that is in the node center position, the end of steel pipe of reeving is welded with the annulus baffle plate, it is characterized in that, be welded with in annulus baffle plate back around reeve steel pipe and with a plurality of steel balls of its welding steel plate of putting more energy into, adjacent putting more energy into is welded with the hollow steel ball clack between the steel plate, all hollow steel ball clacks constitute a hollow steel ball, be welded with the base that is connected with the ball hinged support of capital below the cylindrical welding of the both ends of described hollow steel ball clack and the steel pipe of reeving, described hollow steel ball.
2. large-span prestressed beam string structure drag-line support welding sphere joints according to claim 1 is characterized in that: by a plurality of little steel plate welding of putting more energy into, described little steel plate is welded on the steel pipe of reeving simultaneously between described annulus baffle plate and the hollow steel ball.
3. large-span prestressed beam string structure drag-line support welding sphere joints according to claim 2, it is characterized in that: described base is provided with the reinforcing supporting steel plate and the base plate that is connected with the ball hinged support of capital with the hollow steel ball welding, described reinforcing supporting steel plate and base plate welding.
4. method of making described large-span prestressed the beam string structure drag-line support welding sphere joints of claim 1 is characterized in that: may further comprise the steps:
(1) finishes the processing of the steel pipe of reeving;
(2) a plurality of steel balls of the welding steel plate of putting more energy on the steel pipe of reeving;
(3) adjacent steel ball is put more energy between the steel plate by the welding of hollow steel ball clack, the two ends of hollow steel ball clack and the steel pipe welding of reeving, and all hollow steel ball clacks constitute a hollow steel ball;
(4) below hollow steel ball, weld base;
(5) reeve in the hollow steel ball front end welding annulus baffle plate of steel pipe, annulus baffle plate simultaneously with the steel ball steel plate welding of putting more energy into.
5. the manufacture method of large-span prestressed beam string structure drag-line support welding sphere joints according to claim 4 is characterized in that: further comprising the steps of:
(6) weld by a plurality of little steel plates of putting more energy between annulus baffle plate and the hollow steel ball clack, described little steel plate also welds with the steel pipe of reeving.
CN 200810151782 2008-09-25 2008-09-25 Cable support welding sphere joints of wide span prestressing force beam string structure and manufacturing method thereof Active CN101387131B (en)

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CN 200810151782 CN101387131B (en) 2008-09-25 2008-09-25 Cable support welding sphere joints of wide span prestressing force beam string structure and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810151782 CN101387131B (en) 2008-09-25 2008-09-25 Cable support welding sphere joints of wide span prestressing force beam string structure and manufacturing method thereof

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CN101387131B true CN101387131B (en) 2011-01-19

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892708B (en) * 2010-07-07 2011-12-21 浙江精工钢结构有限公司 Inserting plate type welding through node
CN102002981B (en) * 2010-12-02 2012-03-14 北京建工集团有限责任公司 Concrete nodes cast in steel hemisphere and construction method thereof
CN106988431A (en) * 2017-04-09 2017-07-28 中建三局第建设工程有限责任公司 It is a kind of to be used for the space truss tumbler bearing node with drag-line and manufacture method
CN113775200A (en) * 2021-10-08 2021-12-10 辽宁工程技术大学 Reinforcing method for welded hollow ball joint

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864049A (en) * 1973-01-11 1975-02-04 Taisaburo Ono Construction elements of underwater trusses
US4930930A (en) * 1988-12-21 1990-06-05 General Electric Company Truss beam attachment apparatus
CN2714663Y (en) * 2004-05-27 2005-08-03 天津大学 Steel pipe stiffened type welding hollow ball node
CN2861333Y (en) * 2005-12-22 2007-01-24 江南重工股份有限公司 Compound joint in cantilevered space structure
CN101029518A (en) * 2007-03-23 2007-09-05 北京城建集团有限责任公司 Construction of large-span two-way string-tensioning steel house frame
CN201296978Y (en) * 2008-09-25 2009-08-26 中国建筑第六工程局有限公司 Large-span pre-load stress stringing structure inhaul cable supporting saddle welding spherical joint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864049A (en) * 1973-01-11 1975-02-04 Taisaburo Ono Construction elements of underwater trusses
US4930930A (en) * 1988-12-21 1990-06-05 General Electric Company Truss beam attachment apparatus
CN2714663Y (en) * 2004-05-27 2005-08-03 天津大学 Steel pipe stiffened type welding hollow ball node
CN2861333Y (en) * 2005-12-22 2007-01-24 江南重工股份有限公司 Compound joint in cantilevered space structure
CN101029518A (en) * 2007-03-23 2007-09-05 北京城建集团有限责任公司 Construction of large-span two-way string-tensioning steel house frame
CN201296978Y (en) * 2008-09-25 2009-08-26 中国建筑第六工程局有限公司 Large-span pre-load stress stringing structure inhaul cable supporting saddle welding spherical joint

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