CN207392035U - A kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod - Google Patents
A kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod Download PDFInfo
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- CN207392035U CN207392035U CN201721289134.5U CN201721289134U CN207392035U CN 207392035 U CN207392035 U CN 207392035U CN 201721289134 U CN201721289134 U CN 201721289134U CN 207392035 U CN207392035 U CN 207392035U
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- reinforcing pull
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Abstract
The utility model discloses a kind of anchoring type arch bridge suspender systems of flexible cable combination push-and-pull rod, the sunpender system includes sunpender cable body, upper anchor head, upper anchorage element, reinforcing pull rod, lower anchor head and lower anchorage element, sunpender cable body is flexible cable, the upper anchorage element is located in the anchor hole of arch rib, arch rib built-in pipe is embedded in arch rib, the upper end of sunpender cable body is upper anchor head, upper anchor head is connected after passing through arch rib built-in pipe with upper anchorage element, reinforcing pull rod is push-and-pull rod, the lower end of sunpender cable body is connected with the upper end of reinforcing pull rod by rope bar connecting elements, the lower anchorage element is located in the anchor hole of arch bridge crossbeam, crossbeam built-in pipe is embedded in crossbeam, the lower end of reinforcing pull rod is lower anchor head, lower anchor head is connected after passing through crossbeam built-in pipe with lower anchorage element.The sunpender system is combined using flexible cable combination push-and-pull rod, it is adjustable examine it is interchangeable.
Description
Technical field
The utility model is related to a kind of a kind of anchoring type of arch bridge component, in particular to flexible cable combination push-and-pull rod arches
Bridge crane body of rod system.
Background technology
At present, in the prior art the common structure of arch bridge suspender system as shown in Figure 1, the arch rib 10 in arch bridge is embedded with
Upper anchoring unit, upper anchoring unit include upper Ball faced nut 24, the upper spherical bearing of anchor head 8 on setting from top to bottom and ring set
25 and top anchor plate 26, Ball faced nut 24 be connected with anchor head 8 on outer threaded sunpender, so as to which the power of sunpender cable body 1 be passed
Arch rib 10 is handed to, upper anchoring unit concrete perfusion after construction forms one with arch rib 10；Have in arch rib 10 and vertically set
The upper built-in pipe 11 put, protection overcoat of the upper built-in pipe 11 as arch bridge suspender system are constructed in advance before the installation of sunpender system,
It is embedded in arch bridge, cement injection mortar in upper built-in pipe 11 after the completion of the construction of sunpender system, it will be through the sunpender rope of arch rib 10
Body 1 is fully sealed.
Vertically arranged lower built-in pipe 18 is embedded in the crossbeam 19 of arch bridge, the lower end of sunpender cable body 1 passes through the horizontal stroke of arch bridge
Be anchored in after beam 19 by lower anchoring unit in the lower anchor hole of crossbeam 19, the lower anchoring unit include from top to bottom set and
The lower anchor plate 20 of anchor head 24, lower peripheral surface washer 21 and lower peripheral surface nut 22 under ring set, lower anchor plate 20 are horizontally installed on crossbeam
On 19 anchor hole, lower peripheral surface nut 22 is connected with the screw thread of lower anchor head 27, so as to which lower anchor head 27 is anchored in crossbeam 19
In anchor hole, lower anchoring unit concrete perfusion after construction forms one with crossbeam 19.18 bottom of crossbeam is also equipped with
Cast anchor head protection steel plate 23, covers the anchor hole of crossbeam 18, and lid covers lower anchorage element, lower anchorage element is protected.
Above-mentioned arched bridge pre-stressed boom is built up come into operation after, usually can be because of sunpender or anchor head corrosion, loosening, accidental injury or arrival
The reasons such as service life, cause that sunpender safety coefficient is relatively low, Lack of support is, it is necessary to replace sunpender and inspect periodically dimension
Shield.Reinforcing for such old danger arched bridge pre-stressed boom, carries out general suspender replacement and problems with often occurs：
It is usually fixed in arch rib or crossbeam by the sunpender cable body of arch rib section and beam segments, when suspender replacement need to be in arch rib
Or crossbeam internal drilling, old sunpender cable body is taken out, the damage of arch rib is be easy to cause, influences bridge security.
The upper and lower anchor head of sunpender is usually anchored in arch rib or crossbeam, and replacing sunpender and carrying out current check to anchor head all needs
Sealing off and covering anchorage concrete is chiseled, and tensioning, the operating space of anchoring are narrow and small in work progress, and the adjustment of sunpender power is more difficult, even if
It is also difficult to carry out anchor head daily inspection and maintenance after the completion of suspender replacement.
Sunpender is easily intake with arch rib, crossbeam junction, so as to cause the immersion corrosion of sunpender or anchor head, is substantially reduced and is hung
The service life of bar；
In view of waterway classification is continuously improved in recent years, the navigational clearance that former bridge is reserved has been approached or can not met existing logical
Navigate Clearance requirement, compression of the new sunpender that navigation channel department does not allow to replace to navigation clearance；
Part sunpender system using reinforcing pull rod and cable body composition form, reinforcing pull rod due to bridge displacement, temperature, dynamic load etc. because
The fretting wear of additional stress, tube wall and reinforcing pull rod that element generates, year in year out effect easily cause reinforcing pull rod breakage problem.
Increasingly increased transport need so that the sunpender diameter increase of replacement, and the preserved pipeline of old bridge is subject to crossbeam ruler
Very little, reinforcing bar and steel beam position and the restriction of arch bridge tie-rod position may not have the condition that reaming is replaced.
Utility model content
The purpose of this utility model is to provide a kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod, should
Sunpender system is combined using flexible cable combination push-and-pull rod, adjustable to examine interchangeable, is facilitated late maintaining inspection, is replaced and hang
Stick force adjusts, while change of arch costal shape or crossbeam are acted on down by external force and caused when solving newly building bridge construction or during operation
The upper and lower pre-buried pore position error of centralization new sunpender is generated horizontal stress the problem of.
What this purpose of the utility model was realized by following structure form：A kind of flexible cable combines rigidity and draws
The anchoring type arch bridge suspender system of bar, the sunpender system include sunpender cable body, and sunpender cable body is flexible cable, and feature exists
In：The sunpender system further includes anchor head, upper anchorage element, reinforcing pull rod, lower anchor head and lower anchorage element, the upper anchoring
Component is located in the anchor hole of arch rib, and arch rib built-in pipe is embedded in arch rib, and the upper end of sunpender cable body is upper anchor head, on
Anchor head is connected after passing through arch rib built-in pipe with upper anchorage element, and sunpender cable body is anchored in arch rib, and reinforcing pull rod draws for rigidity
Bar, the lower end of sunpender cable body are connected with the upper end of reinforcing pull rod by rope bar connecting elements, and the lower anchorage element is located at arch
Crossbeam built-in pipe is embedded in the anchor hole of bridge crossbeam, in crossbeam, the lower end of reinforcing pull rod is lower anchor head, and lower anchor head passes through crossbeam
It is connected after built-in pipe with lower anchorage element, reinforcing pull rod is anchored in crossbeam, the sunpender system thus formed is push-and-pull rod
Cable-rod structure is mixed with the anchor formula that flexible cable is combined.
The compound sunpender that the sunpender system of the utility model is combined for push-and-pull rod with flexible cable, the sunpender system
It is adjustable examine it is interchangeable, when not only facilitating late maintaining inspection, replacement and the adjustment of sunpender power, while solving newly building bridge construction or
Change of arch costal shape or crossbeam are acted on down by external force during person's operation causes the upper and lower pre-buried pore position error of centralization so as to new sunpender
Horizontal stress is led to the problem of, avoids traditional arch bridge suspender system due to crossbeam size, reinforcing bar and steel beam position and arch bridge system
The restriction of bar position, the generation for the problem of causing upper and lower conduit reaming limited.
In the utility model, the upper end of the sunpender cable body pours the up big and down small taper anchoring to be formed for pltine
Body, the taper anchoring body are the upper anchor head of sunpender system, the upper anchorage element include upper anchor plate, adjust long nut,
Anchor cup and taper anchoring ring, upper anchor plate are horizontally disposed with, and upper anchor plate is located in the anchor hole at arch rib, with arch rib built-in pipe
Top is mutually welded, and the taper anchoring ring, anchor cup and adjusting long nut also are located in the anchor hole of arch rib, and are set from inside to outside
It puts, the taper anchoring ring has annular distance that is up big and down small and being adapted with anchoring cone solid, and taper anchoring ring set fills described
Taper anchoring body, the anchor cup are the anchoring cone cup with up big and down small inner cavity, and anchor glass holder dress taper anchoring ring, anchor cup has outer
Screw thread, the adjusting long nut are placed on anchor plate, and adjusting long nut has internal thread, adjusts long nut and anchor cup spiral shell
Line connects, and adjusts the position of anchor cup and taper anchoring ring by rotating adjusting long nut, is moved down in anchor cup and taper anchoring ring
Taper anchoring body synchronizing moving is driven when dynamic, so as to adjust the position of taper anchoring body, the mesh for adjusting suspender force is reached with this
's.
The taper anchoring ring is split structure, by symmetrically arranged two semiorbicular taper anchoring ring monomer groups
Into two taper anchoring ring monomer splicing one complete taper anchoring rings of synthesis.
In the utility model, the taper anchoring ring of separate type is closely connected in anchor cup, separated conic anchoring ring taper and anchor
Cup internal taper is consistent, and separated conic anchoring ring is made of two pieces of taper anchoring rings.With hanging inside separated conic anchoring ring
The anchoring cone solids external of bar cable body is closely connected.Tension rod is adopted with anchor cup tensioning hole using being threadedly coupled in stretching process during construction
Long nut is adjusted with rotation to adjust the position of upper anchorage element and taper anchoring body, so as to reach the mesh for adjusting suspender force
's.
The upper anchorage element further includes protective cover, and protective cover is vertically arranged, positioned at arch rib anchor hole and stretch out arch
The upper limb of rib, the lower end of protective cover and the weld all around of upper anchor plate border, the taper anchoring ring, anchor cup and the equal position of adjusting long nut
In in protective cover.
The protective cover is the upper end of the 20mm tapped iron mating with external screw thread pipe and with pipe by tube wall
Lid composition is perfused with the steel pipe week of structure glue, protective cover and arch rib between protective cover outside and the concrete wall of arch rib anchor hole
Corral welds, and the anchor hole of arch rib is surrounded to the confined space of a closing, non-drying sealant is perfused in the confined space.
In the case of normal operation, protective cover serves as the isolation of anchor hole inner member and external moisture at arch rib and protection is made
With in the case of maintenance, unscrewing protective cover iron covering, protective cover pipe is the support that may act as jack during suspender tension tune rope
Foot solves the problems, such as that anchorage element checks difficulty and facilitates later period maintenance in traditional arch bridge suspender system in operation engineering
The adjustment of sunpender power, suspender replacement tensioning, anchoring in the case of maintenance.
In the utility model, the lower end of the sunpender cable body is up-small and down-big taper hot casting anchor, and hot casting anchor has outer spiral shell
Line, the rope bar connecting elements include rigid rod connector sleeve and connector sleeve spherical nut, the connection of rigid rod connector sleeve rigid rod
Cover rigid rod connection set upper side band internal thread, the hot casting anchor of rigid rod connector sleeve rigid rod connection set upper side and sunpender cable body lower end
Using threaded connection, the connector sleeve spherical nut is placed inside rigid rod connector sleeve lower end, in connector sleeve spherical nut band
Screw thread, the upper end of reinforcing pull rod have external screw thread, and connector sleeve spherical nut is used with the upper end of reinforcing pull rod and is threadedly coupled.Using succinct
Construction solve the connectivity problem of sunpender, while ensure the deformation of bridge floor and change of arch costal shape is uncoordinated causes asking for secondary stress
Topic.
In the utility model, the lower anchorage element includes setting from top to bottom and under reinforcing pull rod described in ring set
Anchor plate, lower peripheral surface washer and lower peripheral surface nut, lower anchor plate are horizontally installed on the anchor hole of crossbeam, the lower end tool of reinforcing pull rod
There is external screw thread, the lower end of reinforcing pull rod is the lower anchor head of sunpender system, and the lower peripheral surface nut has internal thread, lower peripheral surface spiral shell
Mother is threadedly coupled with reinforcing pull rod.
The utility model can do following improvement：The boom body ties up to beam top and is additionally provided with reinforcing pull rod lateral confinement
Component, the reinforcing pull rod lateral confinement component include reinforcing pull rod lateral confinement buffering nut, reinforcing pull rod lateral confinement set and beam
Pre-embedded steel slab is held, the beam-ends pre-embedded steel slab is placed horizontally at the top surface of crossbeam, is connected to a fixed with the top surface of crossbeam, described
Reinforcing pull rod lateral confinement buffering nut ring set reinforcing pull rod, the rod segment that reinforcing pull rod is connected with reinforcing pull rod lateral confinement buffering nut
With external screw thread, reinforcing pull rod lateral confinement buffering nut is threadedly coupled with reinforcing pull rod, reinforcing pull rod lateral confinement set suit
The reinforcing pull rod lateral confinement buffering nut, and reinforcing pull rod lateral confinement set is connected to a fixed with beam-ends pre-embedded steel slab.
The beam-ends pre-embedded steel slab is welded on the top surface of crossbeam, the reinforcing pull rod lateral confinement set and beam-ends pre-embedded steel slab
Mutually weld.
Reinforcing pull rod lateral confinement set and pre-embedded steel slab welding are integral, and pre-embedded steel slab is affixed integral with crossbeam upper end, has
Effect ground limits the movement of reinforcing pull rod, it is ensured that reinforcing pull rod is not contacted, reinforcing pull rod lateral confinement is buffered with hole wall in pre-buried tube hub
Nut is buffered the cross force of reinforcing pull rod and lateral confinement inner room, has prevented the fretting wear of tube wall and reinforcing pull rod.It adds
Reinforcing pull rod lateral confinement component to efficiently solve reinforcing pull rod additional since the factors such as bridge displacement, temperature, dynamic load generate
The fretting wear of stress, tube wall and reinforcing pull rod, year in year out effect cause reinforcing pull rod breakage problem.
The sunpender system of the utility model is adjustable examine it is interchangeable, be convenient for changing and sunpender power adjustment, solve newly building bridge
During construction or during operation change of arch costal shape or crossbeam acted on down by external force cause up and down the pre-buried pore position error of centralization so as to
Horizontal stress is led to the problem of to reinforcing pull rod.Traditional arch bridge suspender system is avoided due to crossbeam size, reinforcing bar and steel beam simultaneously
Position and the restriction of arch bridge tie-rod position, the problem of upper and lower conduit reaming is caused to be limited, also efficiently solve reinforcing pull rod due to
The additional stress that the factors such as bridge displacement, temperature, dynamic load generate causes the fretting wear of tube wall and reinforcing pull rod, acts on year in year out
Cause reinforcing pull rod breakage problem
Compared with prior art, the utility model has following remarkable result：
(1) the arch bridge suspender system of the utility model is the compound anchoring type that flexible cable combination push-and-pull rod is combined
Structure brings convenience for later stage inspection, replacement and the adjustment of sunpender power, while the structure type solves newly building bridge construction simultaneously
When or operation during change of arch costal shape or crossbeam acted on by external force caused by up and down the pre-buried pore position error of centralization to new sunpender
The horizontal stress of generation.
(2) structure type of push-and-pull rod is used at the crossbeam of the arch bridge suspender system of the utility model, had both been reduced pair
The damage of old structure, while traditional arch bridge suspender system is avoided due to crossbeam size, reinforcing bar and steel beam position and arch bridge tie-rod
The restriction of position, the problem of upper and lower conduit reaming is caused to be limited.
(3) connecting elements of the arch bridge suspender system of the utility model uses simple structure type, meets sunpender system
The component later stage checks, safeguards that replacement facilitates feasible requirement.
(4) the arch bridge suspender system of the utility model is additionally arranged reinforcing pull rod reinforcing pull rod lateral confinement component, adds spy
It does not design, which efficiently solves reinforcing pull rod since the factors such as bridge displacement, temperature, dynamic load generate
Additional stress, tube wall and reinforcing pull rod fretting wear, effect year in year out causes reinforcing pull rod breakage problem.
(5) anchorage element under the push-and-pull rod at the crossbeam of the arch bridge suspender system of the utility model, solves former bridge
Reserved navigational clearance has approached or can not meet existing navigational clearance requirement, and navigation channel department does not allow the new sunpender replaced to boat
The problem of road headroom compression.
(6) it is close in the protective cover for filling non-drying sealant at the upper anchor head of the arch bridge suspender system of the utility model
Structure is closed, the reinforcing pull rod for solving the problems, such as traditional arch bridge suspender system is difficult to check, while protective cover can serve as tensioning spike
Effect so that the sunpender power adjustment during the tensioning, anchoring and operation in bridge construction process becomes to facilitate feasible.
(7) each main member of the arch bridge suspender system of the utility model is using threaded connection or hinged, sunpender power transmission
Path clear and definite, connection is easy, and each main member as mutually independent component without replacing simultaneously, design in new bridge,
There is good application prospect in old bridge reinforcement.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is that arch bridge suspender system is mounted on the overall structure diagram in arch bridge in the prior art；
Fig. 2 is the overall structure diagram that the utility model arch bridge suspender system is mounted in arch bridge；
Fig. 3 is the A portions enlarged drawing of Fig. 2；
Fig. 4 is the B portions enlarged drawing of Fig. 2；
Fig. 5 is the structure diagram of the utility model arch bridge suspender system middle hanger cable body；
Fig. 6 is the structure diagram of taper anchoring ring in the utility model arch bridge suspender system；
Fig. 7 is the structure diagram of anchor cup in the utility model arch bridge suspender system；
Fig. 8 is the structure diagram of rigid rod connector sleeve in the utility model arch bridge suspender system.
Reference sign
1st, sunpender cable body；2nd, reinforcing pull rod；3rd, protective cover；4th, upper anchor plate；5th, long nut is adjusted；
6th, anchor cup；7th, taper anchoring ring；8th, taper anchoring body；9th, tension slot groove；10th, arch rib；
11st, arch rib built-in pipe；12nd, hot casting anchor；13rd, rigid rod connector sleeve；14th, connector sleeve spherical nut；
15th, reinforcing pull rod lateral confinement buffering nut；16th, reinforcing pull rod lateral confinement set；17th, beam-ends pre-embedded steel slab；
18th, crossbeam；19th, crossbeam built-in pipe；20th, lower anchor plate；21st, lower peripheral surface washer；
22nd, lower peripheral surface nut；23rd, cast anchor head protection steel plate；24th, top anchor plate；
25th, upper spheric washer；26th, upper Ball faced nut；27th, lower anchor head.
Specific embodiment
The anchoring type arch bridge suspender system of the utility model flexible cable combination push-and-pull rod as shown in Fig. 2 to Fig. 8, including
Upper anchor head, upper anchorage element, sunpender cable body 1, reinforcing pull rod 2, lower anchor head and lower anchorage element, sunpender cable body 1 are flexible cable, on
Anchorage element is located in the anchor hole of arch rib 10, and arch rib built-in pipe 11 is embedded in arch rib 10, and the upper end of sunpender cable body 1 is
For upper anchor head, upper anchor head is connected with upper anchorage element after passing through arch rib built-in pipe 11, sunpender cable body 1 is anchored in arch rib,
Reinforcing pull rod 2 is push-and-pull rod, and the lower end of sunpender cable body 1 is connected with the upper end of reinforcing pull rod 2 by rope bar connecting elements, lower anchoring
Component is located in the anchor hole of arch bridge crossbeam 18, and crossbeam built-in pipe 19 is embedded in crossbeam 18, and the lower end of reinforcing pull rod 2 is to cast anchor
Head, lower anchor head are connected with lower anchorage element after passing through crossbeam built-in pipe 19, reinforcing pull rod 2 are anchored in crossbeam 18, thus structure
Into the anchor formula mixing cable-rod structure that is combined for push-and-pull rod with flexible cable of sunpender system.
The sunpender system is adjustable examine it is interchangeable, not only facilitate late maintaining inspection, replacement and sunpender power adjustment, solve simultaneously
During newly building bridge construction or during operation change of arch costal shape or crossbeam acted on down by external force cause up and down pre-buried pore position it is right
Middle error to new sunpender so that lead to the problem of horizontal stress.The arch bridge suspender body of flexible cable combination push-and-pull rod taper anchor formula
System with avoiding traditional arch bridge suspender system due to crossbeam size, reinforcing bar and steel beam position and the system of arch bridge tie-rod position
About, the problem of upper and lower conduit reaming is caused to be limited.
In the present embodiment, upper anchorage element is located at 10 top of arch rib, and sunpender cable body 1 is anchored in anchor hole at arch rib 10
Interior, sunpender cable body 1 is through the arch rib built-in pipe 11 at arch rib 10 until the upper limb of arch rib 10.Reinforcing pull rod 2 is passed through at crossbeam 18
Crossbeam built-in pipe 19 stretches out 18 upper limb of crossbeam, and 2 upper end of reinforcing pull rod is connected using rope bar connecting elements with the lower end of sunpender cable body 1
It connects, reinforcing pull rod 2 is anchored in the anchor hole at crossbeam 18 by 2 lower end of reinforcing pull rod using lower anchorage element, form sunpender system.
Sunpender cable body 1 using ripe parallel steel wire, the upper end of sunpender cable body 1 poured for pltine to be formed upper it is big under
Small taper anchoring body 8, the taper anchoring body 8 are the upper anchor head of sunpender system, and upper anchorage element includes upper anchor plate 4, adjusts
Long nut 5, anchor cup 6 and taper anchoring ring 7 are saved, upper anchor plate 4 is horizontally disposed, and upper anchor plate 4 is located at the anchor hole at arch rib 10
It is interior, it is mutually welded with the top of arch rib built-in pipe 11, taper anchoring ring 7, anchor cup 6 and adjusting long nut 5 also are located at the anchor of arch rib 10
It in solid hole, and sets from inside to outside, taper anchoring ring 7 has annular distance that is up big and down small and being adapted with taper anchoring body 8, taper
Anchoring ring 7 is set with taper anchoring body 8, and anchor cup 6 is the anchoring cone cup with up big and down small inner cavity, and anchor cup 6 is set with taper anchoring ring
7, anchor cup 6 has external screw thread, adjusts long nut 5 and is placed on anchor plate, and adjusting long nut 5 has internal thread, adjusts long spiral shell
Mother 5 is threadedly coupled with anchor cup 6, and the position of anchor cup 6 and taper anchoring ring 7,6 He of anchor cup are adjusted by rotating adjusting long nut 5
8 synchronizing moving of taper anchoring body is driven when taper anchoring ring 7 moves up and down, so as to adjust the position of taper anchoring body 8, is reached with this
To the purpose for adjusting suspender force.
Taper anchoring ring 7 uses split structure, by symmetrically arranged two semiorbicular taper anchoring ring monomer compositions,
Two taper anchoring ring monomer splicing one complete taper anchoring rings 7 of synthesis.7 inside of separated conic anchoring ring and sunpender rope
8 outside of taper anchoring body of body 1 is closely connected.Tension rod is used with 6 tensioning hole of anchor cup using being threadedly coupled in stretching process during construction
Rotation adjusts long nut 5 to adjust the position of anchor cup 6 and taper anchoring ring 7 and cable body taper anchoring body 8, is hung so as to reach adjusting
The purpose of bar Suo Li.
Anchorage element further includes protective cover 3 on this, and protective cover 3 is vertically arranged, positioned at arch rib 10 anchor hole and stretch out arch
The upper limb of rib 10, the lower end of protective cover 3 and upper 4 border weld all around of anchor plate, taper anchoring ring 7, anchor cup 6 and adjusting long nut 5 are equal
In protective cover 3.
Protective cover 3 is vertically arranged, anchor hole and stretching 10 upper limb of arch rib at arch rib 10, by the upper end that tube wall is 20mm
It is formed with external screw thread pipe and with the mating tapped iron covering of pipe, 3 outside of protective cover and the concrete of arch rib anchor hole
Structure glue is perfused between wall, the anchor hole of arch rib 10 is surrounded a closing by the steel pipe border weld all around of protective cover 3 and arch rib 10
Confined space, be perfused with non-drying sealant in the confined space.
In the case of normal operation, protective cover 3 serves as the isolation and protection of anchor hole inner member and external moisture at arch rib 10
Effect in the case of maintenance, unscrews 3 iron covering of protective cover, and 3 pipe of protective cover may act as jack during suspender tension tune rope
Spike solves in operation engineering protective cover 3, upper anchor plate 4 in traditional arch bridge suspender system, adjusts long nut 5,6 and of anchor cup
The problem of inspection of 7 component of taper anchoring ring is difficult and facilitate later period maintenance maintenance in the case of sunpender power adjustment, sunpender more
Change tensioning, anchoring.
In the present embodiment, the lower end of sunpender cable body 1 is up-small and down-big taper hot casting anchor 12, and hot casting anchor 12 has outer spiral shell
Line, rope bar connecting elements include rigid rod connector sleeve 13 and connector sleeve spherical nut 14, spiral shell in 13 upper end band of rigid rod connector sleeve
Line, 13 upper end of rigid rod connector sleeve uses with the hot casting anchor of 1 lower end of sunpender cable body and is threadedly coupled, in 13 lower end of rigid rod connector sleeve
Connector sleeve spherical nut 14 is placed in portion, and connector sleeve spherical nut 14 has external screw thread, connection with internal thread, the upper end of reinforcing pull rod 2
Set spherical nut 14 is used with the upper end of reinforcing pull rod 2 and is threadedly coupled.Solves the connectivity problem of sunpender using succinct construction, together
When ensure the deformation of bridge floor and change of arch costal shape uncoordinated the problem of causing secondary stress.
The lower anchorage element includes setting from top to bottom and lower anchor plate 20, the lower peripheral surface washer of equal ring set reinforcing pull rod 2
21 and lower peripheral surface nut 22, lower anchor plate 20 be horizontally installed on the anchor hole of crossbeam 18, the lower end of reinforcing pull rod 2 has outer spiral shell
Line, the lower end of reinforcing pull rod 2 is the lower anchor head of sunpender system, and lower peripheral surface nut 22 has internal thread, lower peripheral surface nut 22 and steel
Pull rod 2 is threadedly coupled.22 center of circle centering of lower anchor plate 20, lower peripheral surface washer 21 and lower peripheral surface nut.It also installs 18 bottom of crossbeam
Cast anchor head protection steel plate 23, covers the anchor hole of crossbeam 18, and lid covers lower anchorage element, lower anchorage element is protected.
2 both ends of reinforcing pull rod band external screw thread, through 18 concrete internal embedded pipe 19 of crossbeam, lower end is worn for the upper end of reinforcing pull rod 2
It crosses former pre-buried anchor plate 20 and lower peripheral surface washer 21 and stretches out, lower peripheral surface nut 22 is screwed with 2 extension of reinforcing pull rod, with lower ball
Face washer 20, which is anchored at down on pre-buried anchor plate 20, forms lower reinforcing pull rod anchoring system.
In the present embodiment, boom body ties up to 18 top of crossbeam and is additionally provided with reinforcing pull rod lateral confinement component, and reinforcing pull rod is horizontal
Confining part includes reinforcing pull rod lateral confinement buffering nut 15, reinforcing pull rod lateral confinement set 16 and beam-ends pre-embedded steel slab 17, beam-ends
Pre-embedded steel slab 17 is placed horizontally at the top surface of crossbeam 18, is fixedly connected by welding with the top surface of crossbeam 18, reinforcing pull rod
15 ring set reinforcing pull rod 2 of lateral confinement buffering nut, the rod segment tool that reinforcing pull rod 2 is connected with reinforcing pull rod lateral confinement buffering nut 15
There is external screw thread, reinforcing pull rod lateral confinement buffering nut 15 is threadedly coupled with reinforcing pull rod 2, and reinforcing pull rod lateral confinement covers 16 sets of steel loadings and draws
Bar lateral confinement buffering nut 15, and reinforcing pull rod lateral confinement set 16 is fixed by welding with beam-ends pre-embedded steel slab 17
Connection.
In the reinforcing pull rod lateral confinement component, beam-ends pre-embedded steel slab 17 is positioned over 18 top surface of crossbeam, and center is pre-buried with crossbeam
19 centering of pipe after old sunpender is removed, according to the setting-out at crossbeam 18 of 17 size of beam-ends pre-embedded steel slab, cuts 18 top surface of crossbeam
Cover to reinforcement exposes 18 reinforcing bar of crossbeam, pre-embedded steel slab 17 is exposed reinforcing bar with crossbeam 18 and is mutually welded, is engraved through pre-embedded steel slab 17
Empty position steel planting on 18 face of crossbeam, bar planting reinforcing bar is securely rear to be welded with pre-embedded steel slab 17.
Reinforcing pull rod lateral confinement set 16 is fluted to be vertically positioned on pre-embedded steel slab 17 upwardly, and reinforcing pull rod is horizontal about
Collar 16 and 17 contact surface border firm welding of pre-embedded steel slab, then pour grouting material, pre-embedded steel slab 17 are embedded on crossbeam 18
End, entirety is formed with crossbeam 18.Reinforcing pull rod lateral confinement buffering nut 15 is put into reinforcing pull rod lateral confinement and covers in 16 grooves.Steel is drawn
2 upper end of bar passes through crossbeam built-in pipe 19, stretches out crossbeam 18 upper end, and set through 18 upper end of crossbeam beam-ends pre-embedded steel slab 17,
Reinforcing pull rod lateral confinement set 16, reinforcing pull rod lateral confinement buffering nut 15, are connected with 14 internal thread of spherical nut of connecting elements.
Reinforcing pull rod lateral confinement set 16 welded with pre-embedded steel slab 17 it is integral, pre-embedded steel slab 17 and 18 upper end of crossbeam it is affixed into
It is whole, effectively limit the movement of reinforcing pull rod 2, it is ensured that reinforcing pull rod 2 is not contacted, steel with hole wall at 19 center of crossbeam built-in pipe
Pull rod lateral confinement buffering nut 15 by reinforcing pull rod 2 and lateral confinement set 16 between cross force buffered, prevented tube wall with
The fretting wear of reinforcing pull rod 2.Reinforcing pull rod lateral confinement component efficiently solves reinforcing pull rod 2 due to bridge displacement, temperature, dynamic load
Etc. the fretting wear of additional stress, tube wall and reinforcing pull rod 2 that generates of factors, year in year out effect cause 2 breakage problem of reinforcing pull rod.
In the sunpender system of the present embodiment, first, upper anchor hole is all included in by upper anchor head component using protective cover 3
It is interior, the confined space of a closing is formed with anchor hole at arch rib 10, non-drying sealant is perfused in the confined space.Secondly,
Using producer's galvanizing anti-corrosion, exposed component carries out surface spraying three times and paints after the completion of hanger erection on steel member surface
Preservative treatment.Again, it is perfused between reinforcing pull rod lateral confinement component, reinforcing pull rod 2 and crossbeam built-in pipe 19 and between lower anchor hole
Non-drying sealant.
Above-described embodiment of the utility model is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind the above according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model said structure is made its
The modification, replacement or change of its diversified forms, should all fall within the scope of protection of the utility model.
Claims (8)
1. a kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod, the sunpender system includes sunpender cable body,
Sunpender cable body is flexible cable, it is characterised in that：The sunpender system further includes anchor head, upper anchorage element, reinforcing pull rod, casts anchor
Head and lower anchorage element, the upper anchorage element are located in the anchor hole of arch rib, and arch rib built-in pipe is embedded in arch rib,
The upper end of sunpender cable body is upper anchor head, and upper anchor head is connected after passing through arch rib built-in pipe with upper anchorage element, by sunpender cable body
It is anchored in arch rib, reinforcing pull rod is push-and-pull rod, and the lower end of sunpender cable body passes through rope bar connecting elements phase with the upper end of reinforcing pull rod
Connection, the lower anchorage element is located in the anchor hole of arch bridge crossbeam, is embedded with crossbeam built-in pipe in crossbeam, under reinforcing pull rod
End is lower anchor head, and lower anchor head is connected with lower anchorage element after passing through crossbeam built-in pipe, reinforcing pull rod is anchored in crossbeam, by
This sunpender system formed mixes cable-rod structure for push-and-pull rod with the anchor formula that flexible cable is combined.
2. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 1, it is characterised in that：
The upper end of the sunpender cable body pours the up big and down small taper anchoring body to be formed for pltine, which is to hang
The upper anchor head of body of rod system, the upper anchorage element include upper anchor plate, adjust long nut, anchor cup and taper anchoring ring, upper anchor
Backing plate is horizontally disposed with, and upper anchor plate is located in the anchor hole at arch rib, is mutually welded with the top of arch rib built-in pipe, the taper
Anchoring ring, anchor cup and adjusting long nut also are located in the anchor hole of arch rib, and are set from inside to outside, and the taper anchoring ring has
Annular distance that is up big and down small and being adapted with anchoring cone solid, the taper anchoring ring set dress taper anchoring body, the anchor cup are
Anchoring cone cup with up big and down small inner cavity, anchor glass holder dress taper anchoring ring, anchor cup have external screw thread, the adjusting long nut
It is placed on anchor plate, adjusting long nut has internal thread, adjusts long nut and is threadedly coupled with anchor cup, and length is adjusted by rotating
Nut adjusts the position of anchor cup and taper anchoring ring, drives taper anchoring body synchronous when anchor cup is moved up and down with taper anchoring ring
It is mobile, so as to adjust the position of taper anchoring body, achieve the purpose that adjust suspender force with this.
3. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 2, it is characterised in that：
The taper anchoring ring is split structure, by symmetrically arranged two semiorbicular taper anchoring ring monomer compositions, two
Taper anchoring ring monomer splicing one complete taper anchoring ring of synthesis.
4. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 2, it is characterised in that：
The upper anchorage element further includes protective cover, and protective cover is vertically arranged, positioned at arch rib anchor hole and stretch out the upper limb of arch rib,
The lower end of protective cover and the weld all around of upper anchor plate border, the taper anchoring ring, anchor cup and adjusting long nut are respectively positioned on protective cover
It is interior.
5. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 4, it is characterised in that：
The protective cover is made of tube wall for the upper end of the 20mm tapped iron covering mating with external screw thread pipe and with pipe, is protected
Structure glue is perfused on the outside of shield between the concrete wall of arch rib anchor hole, the steel pipe border weld all around of protective cover and arch rib will
The anchor hole of arch rib surrounds the confined space of a closing, and non-drying sealant is perfused in the confined space.
6. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 1, it is characterised in that：
The lower end of the sunpender cable body is up-small and down-big taper hot casting anchor, and hot casting anchor has external screw thread, the rope bar connecting elements
Including rigid rod connector sleeve and connector sleeve spherical nut, rigid rod connector sleeve rigid rod connector sleeve rigid rod is connected in the band of set upper side
Screw thread, rigid rod connector sleeve rigid rod connect set upper side with the hot casting anchor of sunpender cable body lower end using being threadedly coupled, and rigid rod connects
The connector sleeve spherical nut is placed inside female connector lower end, connector sleeve spherical nut band internal thread, the upper end of reinforcing pull rod has
External screw thread, connector sleeve spherical nut are used with the upper end of reinforcing pull rod and are threadedly coupled.
7. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to any one of claims 1 to 6,
It is characterized in that：The boom body ties up to beam top and is additionally provided with reinforcing pull rod lateral confinement component, and the reinforcing pull rod is horizontal about
It is pre- that beam component includes reinforcing pull rod lateral confinement buffering nut, reinforcing pull rod lateral confinement set and beam-ends pre-embedded steel slab, the beam-ends
The top surface that steel plate is placed horizontally at crossbeam is buried, is connected to a fixed with the top surface of crossbeam, reinforcing pull rod lateral confinement buffering spiral shell
Female ring covers reinforcing pull rod, and the rod segment that reinforcing pull rod is connected with reinforcing pull rod lateral confinement buffering nut has external screw thread, and reinforcing pull rod is horizontal
Constraint buffering nut is threadedly coupled with reinforcing pull rod, and the reinforcing pull rod lateral confinement set suit reinforcing pull rod lateral confinement is delayed
Nut is rushed, and reinforcing pull rod lateral confinement set is connected to a fixed with beam-ends pre-embedded steel slab.
8. the anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod according to claim 7, it is characterised in that：
The beam-ends pre-embedded steel slab is welded on the top surface of crossbeam, and the reinforcing pull rod lateral confinement set is mutually welded with beam-ends pre-embedded steel slab.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289134.5U CN207392035U (en) | 2017-09-30 | 2017-09-30 | A kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289134.5U CN207392035U (en) | 2017-09-30 | 2017-09-30 | A kind of anchoring type arch bridge suspender system of flexible cable combination push-and-pull rod |
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| CN207392035U true CN207392035U (en) | 2018-05-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184917A (en) * | 2019-07-02 | 2019-08-30 | 中国十七冶集团有限公司 | A kind of board plug type CFST Arch Bridge hoist cable and its anchor and construction method of installation |
| CN110820518A (en) * | 2019-11-16 | 2020-02-21 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN113235436A (en) * | 2021-04-28 | 2021-08-10 | 中交二航局第二工程有限公司 | Temporary inhaul cable construction method suitable for cable-first and beam-second construction of suspension bridge |
-
2017
- 2017-09-30 CN CN201721289134.5U patent/CN207392035U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184917A (en) * | 2019-07-02 | 2019-08-30 | 中国十七冶集团有限公司 | A kind of board plug type CFST Arch Bridge hoist cable and its anchor and construction method of installation |
| CN110820518A (en) * | 2019-11-16 | 2020-02-21 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN110820518B (en) * | 2019-11-16 | 2021-03-02 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN113235436A (en) * | 2021-04-28 | 2021-08-10 | 中交二航局第二工程有限公司 | Temporary inhaul cable construction method suitable for cable-first and beam-second construction of suspension bridge |
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