CN206267004U - A kind of rigid hanger attachment structure and bridge structure - Google Patents

A kind of rigid hanger attachment structure and bridge structure Download PDF

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Publication number
CN206267004U
CN206267004U CN201621208365.4U CN201621208365U CN206267004U CN 206267004 U CN206267004 U CN 206267004U CN 201621208365 U CN201621208365 U CN 201621208365U CN 206267004 U CN206267004 U CN 206267004U
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China
Prior art keywords
rigid hanger
suspension rod
steel
ball pivot
bridge
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CN201621208365.4U
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Chinese (zh)
Inventor
于芳
姜瑞娟
陈宜言
吴启明
董桔灿
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Shenzhen Municipal Design and Research Institute Co Ltd
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Shenzhen Municipal Design and Research Institute Co Ltd
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Abstract

The utility model is related to building engineering field, disclose a kind of rigid hanger attachment structure and bridge structure, wherein attachment structure includes rigid hanger, also include the first connecting portion being connected with the top of rigid hanger, and the second connecting portion being connected with the bottom of rigid hanger, connected by typed ball bearing pair between suspension rod and first connecting portion and/or second connecting portion.The utility model realizes rotation between suspension rod and bridge structure and connects by hinge assembly and ball pivot component, it is to avoid short steeve inclines the phenomenon of the suspension rod inner concrete cracking for causing, and helps to extend the service life of bridge;The connection end of suspension rod is located at arch rib bottom and bridge floor top respectively simultaneously, in sight line in one's power within the scope of, convenient maintenance, such that it is able to eliminate the blind area of maintenance, greatly improves the security of bridge;Suspension rod can either ensure construction quality by prefabrication, and the time of site operation can be reduced again, help to shorten the duration, raising efficiency.

Description

A kind of rigid hanger attachment structure and bridge structure
Technical field
The utility model is related to building engineering field, and the hanging rod structure that maintenance is changed is easy to more particularly, to a kind of.
Background technology
Hanging rod structure is widely used in the building engineering fields such as bridge, and common rigid hanger generally uses prestressed concrete Soil structure form, because crack easily occurs in pure prestressed reinforced concrete construction, and sectional dimension is than larger, therefore application at present compared with Many rigid hangers are concrete filled steel tube prestressing force suspension rod, and concrete filled steel tube suspension rod has that anti-lateral impact ability is strong, can reduce Wind shake, the building height that bridge system can be reduced, the advantages of mobile load amplitude can be reduced.
At present, generally using being rigidly connected between existing hanging rod structure and arch rib, crossbeam, when suspension rod is by factors such as temperature The concrete cracking inside suspension rod is easily lead to when influenceing and deforming, incline, potential safety hazard is caused.
Additionally, the two ends of hanging rod structure are generally anchored in the sightless position in the visual field, such as top of arch rib and crossbeam Lower section, needs by track tool car during the maintenance for carrying out anchored end, and the underlying space of part crossbeam is narrow, railcar It is difficult to go together, so that anchored end turns into the blind area of maintenance, leverages the security of bridge.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of rigid hanger attachment structure.
The utility model additionally provides a kind of bridge structure.
The utility model solves the technical scheme that its technical problem used:
A kind of rigid hanger attachment structure, including rigid hanger, the first company being also connected including the top with rigid hanger Socket part, and the second connecting portion being connected with the bottom of rigid hanger, wherein, rotated between suspension rod and first, second connecting portion Connection, and be connected by typed ball bearing pair with least one of first, second connecting portion.
Used as the further improved procedure of such scheme, first connecting portion includes the hinge assembly for rotating in one direction, Or ball pivot component, second connecting portion include ball pivot component.
Used as the further improved procedure of such scheme, ball pivot component includes ball pivot cushion block and anchoring beam, anchors Liang Shangshe There is through hole, one end of the through hole includes bellmouth, and the other end includes arc groove, and ball pivot cushion block is provided with straight with the curvature of groove The arc convex that footpath matches, the end of suspension rod is inserted from bellmouth, through through hole after be connected with ball pivot cushion block, it is raised be embedded in it is recessed Forming typed ball bearing pair in groove.
Used as the further improved procedure of such scheme, including bolt-nut, the end of suspension rod is provided with threaded anchor cup, screw thread Anchor cup passes through ball pivot cushion block, and bolt-nut is threadedly coupled with threaded anchor cup.
As the further improved procedure of such scheme, including pressure sensor, pressure sensor located at bolt-nut with Between ball pivot cushion block.
Used as the further improved procedure of such scheme, suspension rod includes steel pipe, prestress wire and steel strand wires fixture, Prestress wire is located in steel duct, and its two ends passes through prestressing force fixture and fastener for connection, steel strand wires and steel pipe tube wall Between be filled with concrete.
As the further improved procedure of such scheme, be arranged with the outside of steel tube end part threaded anchor cup, threaded anchor cup with O-ring seal is provided between the tube wall of steel pipe.
Used as the further improved procedure of such scheme, first, second connecting portion includes coupling assembly, coupling assembly bag Pre-buried anchoring piece is included, or coupling assembly includes steel loop.
Used as the further improved procedure of such scheme, the coupling assembly of first connecting portion includes pre-buried anchoring piece, second The coupling assembly of connecting portion includes steel loop and cuff steel plate, and steel loop is coaxial therewith located at the two ends of cuff steel plate.
A kind of bridge structure, including arch rib and crossbeam, also including above-mentioned rigid hanger attachment structure, its bottom is by pre- Bury anchoring piece to be embedded in crossbeam, top is socketed on arch rib by steel loop and cuff steel plate, so that the anchored end of suspension rod is in In visual range, it is fixed as one by some rivets between steel loop and arch rib.
The beneficial effects of the utility model are:
1st, realize rotation between suspension rod and bridge structure by hinge assembly and ball pivot component to connect, it is to avoid drop shot Bar inclines the phenomenon of the suspension rod inner concrete cracking for causing, and helps to extend the service life of bridge;
2nd, the connection end of suspension rod is located at arch rib bottom and bridge floor top respectively, in sight line in one's power within the scope of, convenient inspection Repair, such that it is able to eliminate the blind area of maintenance, while avoid being used for the anchor head for anchoring drag-line in crossbeam(Or seal box)Place's water inlet The drag-line etching problem for causing, greatly improves the security of bridge;
3rd, suspension rod and its coupling assembly can either ensure construction quality by prefabrication, and scene can be reduced again The time of construction, help to shorten the duration, raising efficiency.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the utility model rigid hanger attachment structure one embodiment;
Fig. 2 is the sectional view of the utility model rigid hanger one embodiment;
Fig. 3 is the front view of the utility model first connecting portion one embodiment;
Fig. 4 is the front view of the utility model second connecting portion one embodiment;
Fig. 5 is the sectional view of the utility model second connecting portion and suspension rod connecting portion;
Fig. 6 is the front view of another embodiment of the utility model first connecting portion;
Fig. 7 is the front view of the utility model bridge structure one embodiment.
Specific embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that unless otherwise specified, when a certain feature is referred to as " fixation ", " connection " in another feature, It can directly fix, be connected in another feature, it is also possible to fix indirectly, be connected in another feature.Additionally, this The description such as upper and lower, left and right used in utility model is only the phase relative to each part of the utility model in accompanying drawing For mutual position relationship.
Additionally, unless otherwise defined, the technology of all of technologies and scientific terms used here by the article and the art The implication that personnel are generally understood that is identical.Term used in the description is intended merely to describe specific embodiment herein, without It is to limit the utility model.Term as used herein " and/or " include appointing for one or more related Listed Items The combination of meaning.
Reference picture 1, shows the front view of the utility model rigid hanger attachment structure one embodiment, hanging rod structure master To include three parts, respectively rigid hanger 100, first connecting portion 200 and second connecting portion 300, wherein first, second connects Socket part top respectively with suspension rod 100, bottom are connected, the connection for realizing suspension rod 100 and bridge, its middle hanger 100 and Between one connecting portion 200, second connecting portion 300 rotate connection, and with first, second connecting portion at least one pass through typed ball bearing pair Connection, i.e., have the larger free degree between the opposing connections of suspension rod 100, so that suspension rod can pass through in deformation, inclination Rotate release stress, it is to avoid the phenomenon of concrete cracking occur, lead between the present embodiment middle hanger 100 and second connecting portion 300 Cross typed ball bearing pair connection.
Specifically, reference picture 2, shows the sectional view of the utility model rigid hanger one embodiment, as illustrated, just Property suspension rod include steel pipe 110, prestress wire 120 and steel strand wires fixture 130, wherein steel pipe 110 preferably uses seamless steel Pipe, prestress wire 120 is located in the tube wall of the inside of steel pipe 110, steel strand wires 120 and steel pipe 110 along the axial direction of steel pipe 110 Between be also filled with concrete 140, so can be to drag-line(Steel strand wires)Protected, extended the service life of drag-line.
The two ends of steel strand wires 120 are connected by prestressing force fixture 130 with steel pipe 110, and prestressing force is fixed in embodiment Part 130 is prestressing force anchor slab, and prestressing force anchor slab is fixed with the end of steel strand wires 120, and is supported with the end face of steel pipe 110, so that Apply prestressing force on steel strand wires 120.Additionally, the outside of the end of steel pipe 110 is preferably also arranged with threaded anchor cup 150, the threaded anchor Cup 150 is used to realize the connection between following bolt-nut and steel pipes 110, further, threaded anchor cup 150 and steel pipe 110 Outer wall between be additionally provided with O-ring seal 160, the sealing ring can prevent rainwater penetrate into and cause steel pipe 110, prestressed anchor Plate and the corrosion of steel strand wires junction.
In the middle of another embodiment of suspension rod, prestressing force fixture 130 can also use threaded anchor head(Such as Fig. 4 Shown in), the outer wall of steel pipe can also directly process screw thread to realize the connection with bolt-nut.
Reference picture 3, shows the front view of the utility model first connecting portion one embodiment, as illustrated, first connects Socket part includes rotating shaft 210, connector 220, steel loop 230 and cuff steel plate 240, and wherein rotating shaft 210 is hinged with the composition of connector 220 Component, the top of suspension rod 100 is connected with rotating shaft 210, so that suspension rod 100 can be past in one direction with respect to first connecting portion Multiple to rotate, connector 220 is used to realize the connection between rotating shaft 210 and cuff steel plate 240.
Steel loop 230 constitutes the coupling assembly of first connecting portion with cuff steel plate 240, for realizing the first connector and bridge Connection, wherein cuff steel plate 240 is preferably a U-shaped steel plate, and its opening is towards lower end.Steel loop 230 both can be as separable Structure cuff steel plate 240 is clamped in centre, it is also possible to a monolithic construction is fixed as with cuff steel plate 240, for ease of reality Border is installed, and the present embodiment uses previous scheme.
Reference picture 4 and Fig. 5, respectively illustrate the front view of the utility model second connecting portion one embodiment, Yi Ji The sectional view of two connecting portions and suspension rod connecting portion, as illustrated, second connecting portion include ball pivot cushion block 310, anchoring beam 320, Bolt-nut 330, anchor support 340 and pre-buried anchoring piece 350, wherein ball pivot cushion block 310, anchoring beam 320, bolt-nut 330 Composition ball pivot component, suspension rod 100 can be rotated relative to second connecting portion by the ball pivot component along multiple directions, specifically, anchor Gu beam 320 is provided with through hole, one end of the through hole forms bellmouth, and the bellmouth allows suspension rod 100 to swing within the specific limits, The other end of through hole forms arc groove.Ball pivot cushion block 310 is provided with the arc convex matched with the curvature diameter of groove 311, the end of suspension rod 100 is inserted from bellmouth, through through hole after be connected with ball pivot cushion block 310, with shape in the embedded groove of projection Balling-up pair, just can so realize suspension rod relative to second connecting portion along the rotation in multiple directions.
Preferably connected using bolt-nut 330 between the present embodiment middle hanger and ball pivot cushion block, specifically, ball pivot cushion block Through hole also is provided with 310, the end of suspension rod 100 is stretched out from the through hole, and bolt-nut 330 is directly connected with suspension rod external part, Or with outside suspension rod external part be socketed threaded anchor cup be connected, so as to by ball pivot cushion block be clamped in its with anchor beam 320 between.Hang Can gradually discharge the pulling force of suspension rod, it is not necessary to which the complexity such as auxiliary rod are set by bolt-nut 330 during the changeing of bar Construction technology, contribute to shorten the duration, with preferable economy, additionally, be adapt to suspension rod tensioning, bolt-nut 330 Can also be by screwing in and screwing out the spacing between regulation first connecting portion 200 and second connecting portion 300.
Certain suspension rod can also be connected using other known technologies with ball pivot cushion block.
Second connecting portion also includes pressure sensor 360, and pressure sensor 360 is located at bolt-nut 330 and ball pivot cushion block Between 310, the pressure for detecting suspension rod.
Anchor support 340 constitutes the coupling assembly of second connecting portion with pre-buried anchoring piece 350, and wherein anchor support 340 is used In pre-buried anchoring piece 350 and anchoring beam 320 is connected, pre-buried anchoring piece 350 is then used to realize the connection of the second connector and bridge.
Coupling assembly in the utility model is not limited to above-mentioned two kinds, while first, second connecting portion can be with root According to the coupling assembly for needing selection different, by taking above two coupling assembly as an example, first, second connecting portion uses pre-buried anchoring Part is connected, or is connected with cuff steel plate using steel loop.
On of the present utility model in an embodiment, first connecting portion can only be rotated in one direction, but for oblique pull For rope or special-shaped arch bridge, when there is plane flare oblique cord face, the deformation of suspension rod is also likely to be twocouese, based on this, this Utility model also discloses second embodiment of first connecting portion, and reference picture 6, the top of second connecting portion includes steel loop 230 With cuff steel plate 240, lower section includes ball pivot cushion block 310 and bolt-nut 330, the top of suspension rod 100 combine ball pivot cushion block 310, Bolt-nut 330 is collectively forming ball pivot component with cuff steel plate 240, in this way, the upper and lower ends of suspension rod can be along multiple directions Rotate, further the security of lifting suspension rod.
Reference picture 7, the invention also discloses a kind of bridge structure of the above-mentioned suspension rod attachment structure of application, including arch rib 400 with crossbeam 500, to adapt to this kind of bridge structure, suspension rod attachment structure is using the structure shown in Fig. 1, i.e. first connecting portion The coupling assembly constituted using steel loop and cuff steel plate, second connecting portion uses pre-buried anchoring piece, and the bottom of suspension rod is by pre- Bury anchoring piece to be directly embedded in crossbeam 500, top is socketed on arch rib 400 by steel loop and cuff steel plate, steel loop and arch rib Between be fixed as one by the rivet of some radial directions.
The rotation that the utility model is realized between suspension rod and bridge structure by hinge assembly and ball pivot component is connected, and is kept away The phenomenon that short steeve inclines local concrete cracking in the suspension rod for causing is exempted from, has helped to extend the service life of bridge;Simultaneously The connection end of suspension rod is located at arch rib bottom and bridge floor top respectively, in sight line in one's power within the scope of, convenient maintenance, such that it is able to The blind area of maintenance is eliminated, the security of bridge is leveraged;Suspension rod can either ensure matter of constructing by prefabrication Amount, can reduce the time of site operation again, help to shorten the duration, raising efficiency.
Above is preferable implementation of the present utility model is illustrated, but the utility model is created and is not limited to institute Embodiment is stated, those of ordinary skill in the art can also make a variety of being equal on the premise of without prejudice to the utility model spirit Deformation is replaced, and these equivalent deformations or replacement are all contained in the application claim limited range.

Claims (10)

1. a kind of rigid hanger attachment structure, including rigid hanger, it is characterised in that also including the top with the rigid hanger The first connecting portion of connection, and the second connecting portion being connected with the bottom of the rigid hanger, wherein, the suspension rod with it is described Connection is rotated between first, second connecting portion, and is connected by typed ball bearing pair with least one of first, second connecting portion Connect.
2. rigid hanger attachment structure according to claim 1, it is characterised in that the first connecting portion is included along The hinge assembly that direction rotates, or ball pivot component, the second connecting portion include ball pivot component.
3. rigid hanger attachment structure according to claim 2, it is characterised in that the ball pivot component includes ball pivot cushion block With anchoring beam, the anchoring beam is provided with through hole, and one end of the through hole includes bellmouth, and the other end includes arc groove, described Ball pivot cushion block is provided with the arc convex matched with the curvature diameter of the groove, and the end of the suspension rod is from the bellmouth Insertion, through the through hole after be connected with the ball pivot cushion block, the raised insertion groove is interior forming the typed ball bearing pair.
4. rigid hanger attachment structure according to claim 3, it is characterised in that including bolt-nut, the suspension rod End is provided with threaded anchor cup, and the threaded anchor cup passes through the ball pivot cushion block, the bolt-nut and threaded anchor cup screw thread Connection.
5. rigid hanger attachment structure according to claim 4, it is characterised in that including pressure sensor, the pressure Sensor is located between the bolt-nut and the ball pivot cushion block.
6. rigid hanger attachment structure according to claim 1, it is characterised in that the suspension rod includes steel pipe, prestressing force Steel strand wires and steel strand wires fixture, the prestress wire are located in the steel duct, and its two ends passes through the prestressing force Fixture and the fastener for connection, are filled with concrete between the steel strand wires and steel pipe tube wall.
7. rigid hanger attachment structure according to claim 6, it is characterised in that be arranged with the outside of the steel tube end part Threaded anchor cup, O-ring seal is provided between the threaded anchor cup and the tube wall of steel pipe.
8. rigid hanger attachment structure according to claim 1, it is characterised in that first, second connecting portion is wrapped Coupling assembly is included, the coupling assembly includes pre-buried anchoring piece, or the coupling assembly includes steel loop.
9. rigid hanger attachment structure according to claim 8, it is characterised in that the coupling assembly of the first connecting portion Including the pre-buried anchoring piece, the coupling assembly of the second connecting portion includes cuff steel plate and the steel loop, and the steel loop sets In the two ends of the cuff steel plate, and it is coaxial therewith.
10. a kind of bridge structure, including arch rib and crossbeam, it is characterised in that also including the rigid hanger described in claim 9 Attachment structure, its bottom is embedded in the crossbeam by the pre-buried anchoring piece, and top is by the steel loop and cuff steel plate It is socketed on the arch rib, so that the anchored end of the suspension rod is in visual range, leads between the steel loop and the arch rib Some rivets are crossed to be fixed as one.
CN201621208365.4U 2016-11-09 2016-11-09 A kind of rigid hanger attachment structure and bridge structure Active CN206267004U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621208365.4U CN206267004U (en) 2016-11-09 2016-11-09 A kind of rigid hanger attachment structure and bridge structure

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Application Number Priority Date Filing Date Title
CN201621208365.4U CN206267004U (en) 2016-11-09 2016-11-09 A kind of rigid hanger attachment structure and bridge structure

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CN206267004U true CN206267004U (en) 2017-06-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638264A (en) * 2016-11-09 2017-05-10 深圳市市政设计研究院有限公司 Rigid suspension rod connecting structure and bridge structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638264A (en) * 2016-11-09 2017-05-10 深圳市市政设计研究院有限公司 Rigid suspension rod connecting structure and bridge structure
CN106638264B (en) * 2016-11-09 2018-02-09 深圳市市政设计研究院有限公司 A kind of rigid hanger attachment structure and bridge structure

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