CN104989105B - Method for installing and tensioning stay rope among nodes of N-shaped rope network - Google Patents
Method for installing and tensioning stay rope among nodes of N-shaped rope network Download PDFInfo
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- CN104989105B CN104989105B CN201510303938.5A CN201510303938A CN104989105B CN 104989105 B CN104989105 B CN 104989105B CN 201510303938 A CN201510303938 A CN 201510303938A CN 104989105 B CN104989105 B CN 104989105B
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Abstract
A method for installing and tensioning stay rope among nodes of an N-shaped rope network includes the steps that anchoring cylinders, symmetrical about node discs and provided with the stay rope, of the to-be-installed stay rope serve as anchoring points and are fixed through high-strength bolts, active tensioning counterforce points are installed on lengthening sleeves of the to-be-installed stay rope, tensioning rods penetrate through two shoulder pole beams, one ends of the tensioning rods are directly anchored to the ends of the shoulder pole beams through tensioning nuts and thick bottom plates, the other ends of the tensioning rods penetrate through supporting pins and jacks to be anchored through tensioning nuts and serve as tensioning ends, the supporting pins serve as temporary anchoring devices when the stroke of the jacks is controlled by oil pumps, the anchor shoulder pole beams and the jacks of the to-be-installed stay rope are repeatedly tensioned and dragged till fork lug holes of the to-be-installed stay rope and pin holes of the node disc are overlapped and connected through fork pins so that the stay rope can be installed and tensioned among the nodes. By means of the method, under the conditions of limited counterforce space, difficult counterforce point search and the like, the large tensioning force required for installing the stay rope can be met, detaching, assembling and constructing are facilitated, and installing quality and work efficiency are improved.
Description
Technical field
The present invention relates to a kind of installation method for stretching of prestressed cable, drag-line between particularly a kind of " N " type rope net node
Installation and the method for tensioning.
Background technology
For some large-scale dome supporting structures, its dome supporting structure adopts large-scale cable net structure, i.e. " N " type rope net,
Being somebody's turn to do " N " type rope net includes some drag-lines（Also it is main rope）, several nodes composition, by node contacts between main rope, referring to
Fig. 4, i represent drag-line between node, and j represents the intermediate node of drag-line, and each node has many drag-lines；The drag-line is typically using double forks
Ear formula length-fixed structure, node structure is disc format, and disc-shaped structure circumference is divided into six pin-and-holes, and pin-and-hole connects respectively with drag-line
Connect；General rope net has multiple node plates, and with rope and disk a large-scale cable net structure is formed；Need to saving two-by-two during rope net forming
Double fork ear main ropes carry out force tensioning between point disk, but because rope net is in multi-dimensional spatial structure, pin joint quality of fit is high, space
Various dimensions change, and rope net is flexible structure, and a drag-line space stress docking technique difficult problem is big between node, using conventional double forks
Ear tensioning cannot accurately connect and exactitude position, and double fork ear main rope length-fixed structures, all no with foreign countries at home to borrow
Method for stretching of the mirror for fixed length drag-line between " N " type rope net node.
The content of the invention
It is an object of the invention to provide cable tension construction method between a kind of " N " type rope net node, this method provides one
Kind convenient method for installing double fork ear type fixed length drag-line, reaction volume is limited, when difficult searching counter-force point, can provide
Meet the powerful stretching force needed for drag-line is installed, be easy to dismount and construct again, improve installation quality and work efficiency；To solve existing skill
The problems referred to above that art is present.
The technical scheme for solving the above problems is：The method of drag-line installation and tensioning, described between a kind of " N " type rope net node
Drag-line is including cable body, positioned at the fork ear at cable body two ends, for the tensioning equipment component bag of stretching construction between " N " type rope net node
Include：Jack, spike, shoulder pole girder, tension rod, tensioning nut and high-strength bolt；
Shoulder pole girder for the tensioning equipment component of stretching construction has two sets, and it is split two halves formula structure often to cover shoulder pole girder,
Have in the middle of monolithic shoulder pole girder for by the arc groove of anchor-hold cylinder, both sides respectively have the arc groove for installing tension rod and
Bolt hole；
Drag-line is installed and the method for tensioning is utilized in installing drag-line with regard to node plate between " N " the type rope net node
As anchor point on the symmetrical anchorage drum for installing drag-line, and fixed by high-strength bolt；Active tensioning counter-force point is arranged on
Will install on the anchorage drum of drag-line；Tension rod passes through two sets of shoulder pole girders, one end tensioning nut and hassock plate to be directly anchored at
Shoulder pole beam-ends, the other end is anchored through spike and jack and with tensioning nut, used as stretching end；By oil pump control jack
Stroke, by the use of spike as temporary anchoring device, to the anchorage shoulder pole girder and jack that will install drag-line, repeatedly tensioning is led
Draw, be connected with the pin-and-hole weight merga pass bolt of node plate until the fork earhole of drag-line will be installed, realize drag-line between node
Install and tensioning.
Its further technical scheme is that the method is comprised the following steps：
A, the shoulder pole girder for installing anchor point：The two panels monolithic shoulder pole girder of a set of shoulder pole girder is separately mounted to install
The both sides of the anchorage drum of complete drag-line, and fixed by high-strength bolt；
B, the shoulder pole girder for installing tensioning counter-force point：The two panels monolithic shoulder pole girder of another set of shoulder pole girder is respectively mounted shortly
By on the anchorage sleeve for installing drag-line；
C, installation jack, spike, shoulder pole girder and tension rod：Tension rod is passed through into two sets of shoulder pole girders, one end tensioning spiral shell
Mother is directly anchored at the shoulder pole beam-ends of anchor point, and the other end is anchored through spike and jack and with tensioning nut, used as tensioning
End；
D, tensioning:By the stroke of oil pump control jack, the pin that will install the fork ear of drag-line near node plate is forced
Hole, if will install drag-line fork ear from node plate pin-and-hole farther out, can be by the use of tensioning nut and spike as jury anchor
It is fixedly mounted with and puts to shoulder pole girder and drag-line will be installed fixed temporarily, then to jack release oil return, tightens jack rear end
Tensioning nut after, then tensioning is carried out, constantly repeatedly, until completing the installation of drag-line bolt；
E, anchoring：When the fork earhole that will install drag-line overlaps with the pin-and-hole of node plate, will be used to connect drag-line fork ear
Passing through with the bolt of node plate will install the fork earhole of drag-line and the pin-and-hole of node plate, will install anchor-hold in node
On disk.
Its further technical scheme is, for being used to lead in the middle of the monolithic shoulder pole girder of the tensioning equipment component of stretching construction
Diameter 4～the 5mm bigger than the anchorage drum diameter of drag-line of the arc groove of anchor-hold cylinder is crossed, both sides are used to install the circular arc of tension rod
The diameter of groove 2～3mm bigger than tensioning shank diameter.
Due to taking said structure, cable tension construction method has following between the present invention one kind " N " type rope net node
Beneficial effect：
1st, drag-line between " N " type rope net node that cable tension construction method is adopted between present invention one kind " N " type rope net node
Tensioning equipment modular construction is ingenious, practicality, can guarantee that construction effect；The list of cable tension device assembly between " N " type rope net node
Have in the middle of piece shoulder pole girder for just compressing anchor-hold by the through hole of the arc groove of anchor-hold cylinder, two arc grooves composition
Cylinder, by the use of the step on guy anchor cup as sticking point, prevents shoulder pole girder from sliding on dragline anchorage, brings dragline anchorage
The effect that zinc coat and drag-line thermal shrinkable sleeve are not destroyed.
2nd, because a wherein shoulder pole girder of this device assembly is arranged on existing drag-line, on this Cable forces direction
Can accurately install under stress with node plate beneficial to Ben Lasuo using pin as rotation between the symmetrical drag-line of node plate；No
Need to set up powerful counterforce device again, bring easy accessibility, be easy to the effect of construction.
3rd, because shoulder pole girder is designed to the symmetrical form of left and right two panels, an entirety is connected into by high-strength bolt, is brought
Safe and reliable, easy accessibility effect.
With reference to the accompanying drawings and examples the skill of cable tension construction method between one kind " N " type rope net node of the invention
Art feature is described further.
Description of the drawings
Fig. 1：Draw between " N " type rope net node that cable tension construction method is adopted between one kind " N " type rope net node of the invention
The structure of cable stretching device assembly and its install and use state reference map；
Fig. 2：The top view of Fig. 1；
Fig. 3-1：The structural representation of the shoulder pole girder of cable tension device assembly between " N " type rope net node（Two panels combines shape
Under state）；
Fig. 3-2：The single chip architecture schematic diagram of shoulder pole girder shown in Fig. 3-1；
Fig. 4：" N " type cable net structure schematic diagram.
In Fig. 1～Fig. 3-2：
1- jack, 2- spikes；3- shoulder pole girders, 31- high-strength bolts, 32- tension rod half slots, 33- bolts hole, 34- ropes
Arc groove at body anchorage drum；
The drag-line that 74- will be installed；7401- pitches ear；5- is used to connect the bolt of drag-line fork ear and node plate, 6- nodes
Disk, the pin-and-hole in 601- node plates；
71st, 72,73, the 75, drag-line that 76- has been installed, 9- tensioning nuts, 10- tension rods.
In Fig. 4：Drag-line between i- " N " type rope net node；J- " N " type rope net node.
Specific embodiment
Embodiment one：
Cable tension device assembly between a kind of " N " type rope net node：
Drag-line is including cable body, positioned at the fork ear at cable body two ends, the drawing on node circumference between " N " the type rope net node
Rustling sound body is connected to form " N " type rope net drag-line and joint system by pitching ear and bolt with node plate；
Being somebody's turn to do cable tension device assembly between " N " type rope net node includes：Jack 1, spike 2, shoulder pole girder 3, tension rod 10,
Tensioning nut 9 and high-strength bolt 31；
The shoulder pole girder 3 has two sets, and it is split two halves formula structure often to cover shoulder pole girder 3, is had in the middle of monolithic shoulder pole girder for leading to
The arc groove 34 of anchor-hold cylinder is crossed, respectively there is the arc groove 32 and bolt hole 33 for installing tension rod on both sides；
Under use state, as anchor point on the anchorage drum of the drag-line that a set of shoulder pole girder has been installed, and
Fixed by high-strength bolt 31；Another set of shoulder pole girder is then arranged on and will install on the anchorage drum of drag-line as counter-force point；Tensioning
Bar 10 passes through two sets of shoulder pole girders, one end tensioning nut 9 and hassock plate 8 to be directly anchored at shoulder pole beam-ends, and the other end passes through spike 2
Anchor with jack 1 and with tensioning nut 9, as stretching end.
For bigger by 4 than the anchorage drum diameter of drag-line by the diameter of the arc groove 34 of anchor-hold cylinder in the middle of monolithic shoulder pole girder
～5mm, both sides are used for the diameter 2～3mm bigger than tensioning shank diameter of the arc groove 32 for installing tension rod.
Embodiment two：
One kind is used for the method for stretching of drag-line between " N " type rope net node, and it is using " N " type rope net section described in embodiment one
The method that cable tension device assembly implements cable tension between " N " type rope net node between point；It is utilized in that drag-line will be installed
With regard to, as anchor point, and being fixed by high-strength bolt on the symmetrical anchorage drum for installing drag-line 71 of node plate；Active tensioning
Counter-force point is arranged on the anchorage drum of the drag-line 74 that will be installed；Tension rod 10 passes through two sets of shoulder pole girders, one end tensioning nut
Shoulder pole beam-ends is directly anchored at, the other end is anchored through spike and jack and with tensioning nut, used as stretching end；By oil pump
The stroke of control jack, by the use of spike as temporary anchoring device, the method so as to realize installation and the tensioning of drag-line.
It is comprised the following steps：
A, the shoulder pole girder for installing anchor point：The two panels monolithic shoulder pole girder of a set of shoulder pole girder 3 is separately mounted to install
The both sides of the anchorage drum of the drag-line 71 for finishing, and fixed by high-strength bolt；
B, the shoulder pole girder for installing tensioning counter-force point：The two panels monolithic shoulder pole girder of another set of shoulder pole girder 3 is respectively mounted shortly
By on the anchorage sleeve for installing drag-line 74；
C, installation jack, spike, shoulder pole girder and tension rod：Tension rod 10 is passed through into two sets of shoulder pole girders, one end tensioning
Nut 9 is directly anchored at the shoulder pole beam-ends of anchor point, and the other end passes through spike 2 and jack 1 and anchored with tensioning nut 9, makees
For stretching end；
D, tensioning:By the stroke of oil pump control jack 1, the fork ear 7401 that will install drag-line 74 is forced near section
Point disk pin-and-hole 601, if will install drag-line 74 fork ear 7401 from node plate pin-and-hole 601 farther out, tensioning can be utilized
Nut 9 and spike 2 as temporary anchoring device is to shoulder pole girder and will install drag-line 74 and is fixed temporarily, then to jack
1 release oil return, after tightening the tensioning nut of jack rear end, then carries out tensioning, constantly repeatedly, until completing the peace of drag-line bolt
Dress；
E, anchoring：When the fork hole of ear 7401 of drag-line 74 overlaps with the pin-and-hole 601 of node plate, will be used to connect drag-line fork ear
Passing through with the bolt 5 of node plate will install the fork earhole 7401 of drag-line 74 and the pin-and-hole 601 of node plate, will install drag-line
74 are anchored in node plate 6.
Claims (3)
1. between a kind of " N " type rope net node drag-line install and tensioning method, drag-line includes rope between " N " the type rope net node
Body, positioned at the fork ear at cable body two ends, the tensioning equipment component for stretching construction includes：Jack, spike, shoulder pole girder, tensioning
Bar, tensioning nut and high-strength bolt；It is characterized in that：
Shoulder pole girder for the tensioning equipment component of stretching construction has two sets, often covers shoulder pole girder for split two halves formula structure, monolithic
Have in the middle of shoulder pole girder for by the arc groove of anchor-hold cylinder（34）, respectively there is the arc groove for installing tension rod on both sides（32）
And bolt hole（33）；
Between " N " the type rope net node drag-line install and tensioning method be utilized in installing drag-line with regard to node plate pair
What is claimed installs the anchorage drum of drag-line as anchor point, and is fixed by high-strength bolt；Active tensioning counter-force point is arranged on will
Install on the anchorage drum of drag-line；Tension rod passes through two sets of shoulder pole girders, one end tensioning nut and hassock plate to be directly anchored at shoulder pole
Beam-ends, the other end is anchored through spike and jack and with tensioning nut, used as stretching end；By the row of oil pump control jack
Journey, by the use of spike as temporary anchoring device, the anchorage shoulder pole girder and jack tensioning traction repeatedly to drag-line will be installed, directly
Pin-and-hole weight merga pass bolt to fork earhole and the node plate that will install drag-line be connected, realize between node drag-line installation with
Tensioning.
2. between one kind " N " type rope net node according to claim 1 drag-line install and tensioning method, it is characterised in that：
The method is comprised the following steps：
A, the shoulder pole girder for installing anchor point：By a set of shoulder pole girder（3）Two panels monolithic shoulder pole girder be separately mounted to install
The both sides of the anchorage drum of complete drag-line, and fixed by high-strength bolt；
B, the shoulder pole girder for installing tensioning counter-force point：By another set of shoulder pole girder（3）Two panels monolithic shoulder pole girder be separately mounted to will
Install on the anchorage sleeve of drag-line；
C, installation jack, spike and tension rod：By tension rod（10）Through two sets of shoulder pole girders, one end tensioning nut（9）Directly
The shoulder pole beam-ends for being anchored at anchor point is connect, the other end passes through spike（2）And jack（1）And use tensioning nut（9）Anchoring, as
Stretching end；
D, tensioning:By oil pump control jack（1）Stroke, forcing will install drag-line（74）Fork ear（7401）It is close
The pin-and-hole of node plate（601）If the fork ear of drag-line will be installed（7401）From the pin-and-hole of node plate（601）Farther out, then utilize and open
Draw nut（9）And spike（2）As temporary anchoring device is to shoulder pole girder and will install drag-line and is fixed temporarily, then to thousand
Jin top（1）Release oil return, after tightening the tensioning nut of jack rear end, then carries out tensioning, constantly repeatedly, until completing drag-line fork
The installation of pin；
E, anchoring：When the pin-and-hole of the fork earhole and node plate that will install drag-line（601）During coincidence, will be used to connect drag-line fork ear
With the bolt of node plate（5）Through the pin-and-hole for pitching earhole and node plate that will install drag-line（601）, drag-line will be installed
（74）It is anchored in node plate.
3. between one kind " N " type rope net node according to claim 1 drag-line install and tensioning method, it is characterised in that
For being used for the arc groove by anchor-hold cylinder in the middle of the monolithic shoulder pole girder of the tensioning equipment component of stretching construction（34）It is straight
Footpath 4～5mm bigger than the anchorage drum diameter of drag-line, both sides are used to install the arc groove of tension rod（32）Diameter than tensioning shank diameter
Big 2～3mm.
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| CN201510303938.5A CN104989105B (en) | 2015-06-04 | 2015-06-04 | Method for installing and tensioning stay rope among nodes of N-shaped rope network |
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| CN201510303938.5A CN104989105B (en) | 2015-06-04 | 2015-06-04 | Method for installing and tensioning stay rope among nodes of N-shaped rope network |
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| CN104989105B true CN104989105B (en) | 2017-05-10 |
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| CN115992566B (en) * | 2023-03-23 | 2023-05-30 | 北京市建筑工程研究院有限责任公司 | Rigid-flexible orthogonal cable network structure and forming method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821519A (en) * | 2005-12-22 | 2006-08-23 | 高维成 | Tension string beam structure with dog bone type damper |
| CN101748898A (en) * | 2010-01-21 | 2010-06-23 | 武汉二航路桥特种工程有限责任公司 | Method for implementing the middle connection tensioning of cables and device thereof |
| CN101851985A (en) * | 2010-05-27 | 2010-10-06 | 卓清 | Articulated anchor and prestress tensioning method of high strength fibre composite sheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100560247B1 (en) * | 2004-03-13 | 2006-03-10 | 학교법인 신동아학원 | Cable tension introduction unit and the way that used temporary support blocks |
-
2015
- 2015-06-04 CN CN201510303938.5A patent/CN104989105B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821519A (en) * | 2005-12-22 | 2006-08-23 | 高维成 | Tension string beam structure with dog bone type damper |
| CN101748898A (en) * | 2010-01-21 | 2010-06-23 | 武汉二航路桥特种工程有限责任公司 | Method for implementing the middle connection tensioning of cables and device thereof |
| CN101851985A (en) * | 2010-05-27 | 2010-10-06 | 卓清 | Articulated anchor and prestress tensioning method of high strength fibre composite sheet |
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