CN110468737A - A kind of bridge rotating system that pulley structure is set - Google Patents
A kind of bridge rotating system that pulley structure is set Download PDFInfo
- Publication number
- CN110468737A CN110468737A CN201910750538.7A CN201910750538A CN110468737A CN 110468737 A CN110468737 A CN 110468737A CN 201910750538 A CN201910750538 A CN 201910750538A CN 110468737 A CN110468737 A CN 110468737A
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- China
- Prior art keywords
- traction
- pulley structure
- turntable
- pulley
- rotating system
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- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of bridge rotating systems that pulley structure is arranged, including lower part suspended deck structure, it is used to support the turntable of bridge to be turned and the swivel traction device for driving the turntable to rotate on the lower part suspended deck structure, the swivel traction device includes at least one set of hauling rope of coiling on the turntable, hauling rope described in every group is connected with one group of traction mechanism, the pulley structure that the traction mechanism includes and corresponding hauling rope connects and the traction power unit being connect with the traction rope free end of the pulley structure, the pulley structure includes at least one movable pulley.Bridge rotating system provided by the invention, by the way that pulley structure is arranged, characteristic based on the movable pulley in pulley structure, the tractive force granted needed for traction power unit can be reduced significantly, swivel pulling equipment can be made correspondingly to minimize, convenient for the arrangement on the suspended deck structure of lower part, consequently facilitating the design and construction of bridge rotating.
Description
Technical field
The invention belongs to technical field of bridge construction, and in particular to a kind of bridge rotating system that pulley structure is arranged.
Background technique
In recent years, with existing railway speed-raising and largely, newly-built high-speed railway puts into effect, and railway department is to across railway
The case where requirement of bridge construction safety is higher and higher, Bridge Rotation Construction Technique is also more and more common, and swivel tonnage of bridge is repeatedly
World record is created, 30,000 tons or more bridge rotatings are commonplace.
As swivel tonnage of bridge is increasing, the tractive force turned needed for corresponding is also increasing, the swivel configured
Pulling equipment is also more and more huger, brings inconvenience to design and construction.
Summary of the invention
The present embodiments relate to a kind of bridge rotating systems that pulley structure is arranged, and can at least solve the portion of the prior art
Divide defect.
The present embodiments relate to a kind of bridge rotating systems that pulley structure is arranged, including lower part suspended deck structure, are used for
Support the turntable of bridge to be turned and the swivel traction dress for driving the turntable to rotate on the lower part suspended deck structure
It sets, the swivel traction device includes at least one set of hauling rope of coiling on the turntable, and hauling rope described in every group is connected with
One group of traction mechanism, the traction mechanism include leading with the pulley structure of corresponding hauling rope connection and with the pulley structure
The traction power unit of messenger free end connection, the pulley structure includes at least one movable pulley.
As one of embodiment, the hauling rope has two groups and draws respectively from the opposite both ends of the turntable, two institutes
The extending direction for stating hauling rope mutually deviates from and pulley structure described in being connected separately with one group.
As one of embodiment, the swivel traction device further includes the counter-force seat on the lower part suspended deck structure,
The fixing end of the traction rope of the pulley structure is anchored on the counter-force seat, and the traction power unit is installed in the counter-force
It is connect on seat and with the free end of the traction rope of the pulley structure.
As one of embodiment, the counter-force seat be equipped with traction guide channel, the traction rope of the pulley structure from
It is connect after the traction guide channel with the traction power unit by holding.
As one of embodiment, the movable pulley is connected with support frame, and support frame as described above is slidedly arranged on a line slide rail, institute
Line slide rail is stated on the lower part suspended deck structure and guide direction is parallel to corresponding traction rope lead.
As one of embodiment, the traction power unit is jack.
As one of embodiment, it is rotatably connected between the turntable and the lower part suspended deck structure by typed ball bearing pair.
As one of embodiment, lubrication piece is equipped between two spherical surfaces of the typed ball bearing pair.
As one of embodiment, the turntable bottom is equipped with multiple insurance legs, is equipped at the top of the suspended deck structure of the lower part Yu Suoshu
The coaxial annular slide track with the turntable, each insurance leg are slidedly arranged on the annular slide track.
As one of embodiment, the insurance leg is the interior steel-tube construction for filling slightly expanded concrete.
The embodiment of the present invention at least has the following beneficial effects:
Bridge rotating system provided by the invention, by the way that pulley structure, the spy based on the movable pulley in pulley structure is arranged
Property, the tractive force granted needed for traction power unit can be reduced significantly, swivel pulling equipment can be made correspondingly to minimize,
Convenient for the arrangement on the suspended deck structure of lower part, consequently facilitating the design and construction of bridge rotating.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic view of the front view of bridge rotating system provided in an embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of bridge rotating system provided in an embodiment of the present invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Such as Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of bridge rotating system that pulley structure is arranged, including lower part is held
Platform structure 1, the turntable 2 for being used to support bridge to be turned and for drive the turntable 2 on the lower part suspended deck structure 1 turn
Dynamic swivel traction device, the swivel traction device include at least one set of hauling rope 5 of coiling on the turntable, every group of institute
State hauling rope 5 and be connected with one group of traction mechanism, the traction mechanism include with the pulley structure of corresponding hauling rope 5 connection and with
The traction power unit 63 of 62 free end of the traction rope connection of the pulley structure, the pulley structure include at least one dynamic cunning
Wheel 61.
Above-mentioned turntable 2 is generally cylindrical turntable, i.e. its horizontal cross-section is circle.Above-mentioned turntable 2 is held with lower part
Existing spherical hinge connecting structure can be used in the structure that platform structure 1 is rotatably connected, i.e., leads between turntable 2 and lower part suspended deck structure 1
Typed ball bearing pair 3 is crossed to be rotatably connected；The typed ball bearing pair 3 is set at 2 axis of turntable；Further preferably up and down the two of the typed ball bearing pair 3
Lubrication piece is set between spherical surface, and can guarantee can smooth rotation between flexural pivot up and down.In other examples, it can also be used other
The structure that is rotatably connected, such as roller trolley formula disclosed in the Chinese patent application CN201810996840.6 etc. of the applicant
Rotational structure is not described further specifically herein.
If in above-mentioned spherical hinge connecting structure further multiple insurance legs 4 can be arranged in 2 bottom of turntable in Fig. 1 and Fig. 2,
The annular slide track coaxial with the turntable 2 is equipped at the top of the lower part suspended deck structure 1, each insurance leg 4 is slidedly arranged on institute
It states on annular slide track.Leg 4 is insured by setting, can prevent in 2 rotation process of turntable that there is a situation where topple.Each insurance leg 4
Preferably it is circular layout along the circumferential uniform intervals of turntable 2；In a preferred embodiment, insurance 4 bottom of leg can connect Ship shaped skateboard,
The Ship shaped skateboard is slidedly arranged on annular slide track, and tetrafluoro slide plate can be further laid on annular slide track, to reduce insurance leg 4 and ring
Frictional resistance between shape slideway.In addition, above-mentioned insurance leg 4 preferably uses steel-tube construction, and interior filling slightly expanded concrete,
Its bearing capacity can effectively be increased.
Above-mentioned one group of hauling rope 5 may include more steel strand wires, and steel strand wires one end is anchored on turntable 2 and the other end is from turntable
2 draw, and each steel strand wires connect after drawing with corresponding pulley structure.Preferred scheme is, hauling rope 5 has two groups and from described
The opposite both ends of turntable 2 are drawn respectively, and the extending direction of two hauling ropes 5 mutually deviates from and is connected separately with one group of pulley knot
Structure can be improved bridge rotating efficiency, and the swiveling movement of bridge can be made more steady.
For above-mentioned pulley structure, in the present embodiment, a movable pulley 61 is preferably comprised, the movable pulley 61 and traction
The traction end of rope 5 connects, and (such as being fixed on counter-force seat 64) is fixed in 62 one end of traction rope and its other end is dynamic around this
It is connect after pulley 61 with traction power unit 63；Based on the structure, due to the characteristic of movable pulley 61, needed for traction power unit 63
The tractive force granted can theoretically be reduced to half when directly drawing hauling rope 5.The traction side of above-mentioned traction power unit 63
To identical as the extending direction of hauling rope 5 that it is connected；In a further embodiment, it is one or more fixed to be further arranged
Pulley can facilitate the arrangement of traction power unit 63 under the premise of meeting to 5 directed traction of hauling rope.Certainly, above-mentioned cunning
Pulley blocks, including two or more movable pulleys 61 and at least one fixed pulley, traction power list can be used in wheel construction
The tractive force granted needed for member 63 can further decrease.
Above-mentioned traction power unit 63 preferably uses jack 63, when 63 tensioning of jack, pass through 62 band of traction rope
Dynamic movable pulley 61 moves forward, and then turntable 2 is driven to rotate.
Further, the movable pulley 61 is connected with support frame, and support frame as described above is slidedly arranged on a line slide rail, described straight
Line sliding rail is set on the lower part suspended deck structure 1 and guide direction is parallel to corresponding 62 lead of traction rope.By above-mentioned
Support frame supports movable pulley 61, guarantees the steady direct motion of traction translational motion of movable pulley 61 in the horizontal plane, to guarantee turntable 2
The stationarity of rotational motion.
Above-described embodiment is advanced optimized, such as Fig. 1 and Fig. 2, the swivel traction device further includes being set to the lower part to hold
Counter-force seat 64 in platform structure 1, the fixing end of the traction rope 62 of the pulley structure is anchored on the counter-force seat 64, described to lead
Draw power unit 63 and install and is connect on the counter-force seat 64 and with the free end of the traction rope of the pulley structure 62.The counter-force
Seat 64 cooperates with above-mentioned 63 formula traction power unit 63 of jack, and traction effect is preferable.It is further preferred that the counter-force seat 64
Be equipped with traction guide channel, the free end of the traction rope 62 of the pulley structure pass through after the traction guide channel with it is described
Traction power unit 63 connects.Above-mentioned counter-force seat 64 can be it is molding with 1 formed by integrally casting of lower part suspended deck structure, after being also possible to
Phase pours in the concrete pad on the lower part suspended deck structure 1.
Bridge rotating system provided in this embodiment, by the way that pulley structure is arranged, based on the movable pulley 61 in pulley structure
Characteristic, can the tractive force granted needed for traction power unit 63 be reduced significantly, can make turn pulling equipment correspondingly
Miniaturization, convenient for the arrangement on lower part suspended deck structure 1, consequently facilitating the design and construction of bridge rotating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bridge rotating system that pulley structure is arranged including lower part suspended deck structure, is used to support turning for bridge to be turned
Platform and swivel traction device for driving the turntable to rotate on the lower part suspended deck structure, it is characterised in that: described
Swivel traction device includes at least one set of hauling rope of coiling on the turntable, and hauling rope described in every group is connected with one group of traction
Mechanism, the traction mechanism include the pulley structure connected with corresponding hauling rope and the traction rope freedom with the pulley structure
The traction power unit of connection is held, the pulley structure includes at least one movable pulley.
2. the bridge rotating system of setting pulley structure as described in claim 1, it is characterised in that: the hauling rope has two groups
And drawn respectively from the opposite both ends of the turntable, the extending direction of two hauling ropes mutually deviates from and is connected separately with one
The group pulley structure.
3. the bridge rotating system of setting pulley structure as described in claim 1, it is characterised in that: the swivel traction device
It further include the counter-force seat on the lower part suspended deck structure, the fixing end of the traction rope of the pulley structure is anchored in described anti-
On power seat, the traction power unit is installed to be connected on the counter-force seat and with the free end of the traction rope of the pulley structure
It connects.
4. the bridge rotating system of setting pulley structure as claimed in claim 3, it is characterised in that: the counter-force seat is equipped with
Draw guide channel, the free end of the traction rope of the pulley structure pass through after the traction guide channel with the traction power
Unit connection.
5. the bridge rotating system of setting pulley structure as described in claim 1, it is characterised in that: the movable pulley is connected with
Support frame, support frame as described above are slidedly arranged on a line slide rail, and the line slide rail is set on the lower part suspended deck structure and is oriented to
It is oriented parallel to corresponding traction rope lead.
6. the bridge rotating system of setting pulley structure as described in claim 1, it is characterised in that: the traction power unit
For jack.
7. as described in claim 1 setting pulley structure bridge rotating system, it is characterised in that: the turntable and it is described under
It is rotatably connected between portion's suspended deck structure by typed ball bearing pair.
8. the bridge rotating system of setting pulley structure as claimed in claim 7, it is characterised in that: two balls of the typed ball bearing pair
Lubrication piece is equipped between face.
9. the bridge rotating system of setting pulley structure as claimed in claim 1 or 7, it is characterised in that: the turntable bottom
Equipped with multiple insurance legs, the annular slide track coaxial with the turntable, each insurance are equipped at the top of the suspended deck structure of the lower part Yu Suoshu
Leg is slidedly arranged on the annular slide track.
10. the bridge rotating system of setting pulley structure as claimed in claim 9, it is characterised in that: the insurance leg is interior
Fill the steel-tube construction of slightly expanded concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750538.7A CN110468737A (en) | 2019-08-14 | 2019-08-14 | A kind of bridge rotating system that pulley structure is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750538.7A CN110468737A (en) | 2019-08-14 | 2019-08-14 | A kind of bridge rotating system that pulley structure is set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110468737A true CN110468737A (en) | 2019-11-19 |
Family
ID=68510834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910750538.7A Pending CN110468737A (en) | 2019-08-14 | 2019-08-14 | A kind of bridge rotating system that pulley structure is set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348578A (en) * | 2020-03-12 | 2020-06-30 | 北京国电龙源环保工程有限公司 | Tower body rotation angle adjusting device without rotating shaft and construction method thereof |
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| CN105887698A (en) * | 2016-05-31 | 2016-08-24 | 中铁第五勘察设计院集团有限公司 | Underground bridge rotary device with protective structure |
| CN107964877A (en) * | 2017-11-23 | 2018-04-27 | 中铁九局集团有限公司 | The asymmetric mixing girder stayed-cable bridge horizontal swing structure of super-tonnage and its construction method |
| CN210827144U (en) * | 2019-08-14 | 2020-06-23 | 中铁武汉勘察设计研究院有限公司 | Bridge rotation system with pulley structure |
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2019
- 2019-08-14 CN CN201910750538.7A patent/CN110468737A/en active Pending
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| CN2861548Y (en) * | 2006-01-04 | 2007-01-24 | 大庆油田有限责任公司 | Driving medium of single crank double-stroke flexible pumping unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348578A (en) * | 2020-03-12 | 2020-06-30 | 北京国电龙源环保工程有限公司 | Tower body rotation angle adjusting device without rotating shaft and construction method thereof |
| CN111348578B (en) * | 2020-03-12 | 2024-05-07 | 国能龙源环保有限公司 | Tower body rotation angle adjusting device without rotating shaft and construction method thereof |
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