CN105525566A - Bridge main cable saddle with self-returning function - Google Patents
Bridge main cable saddle with self-returning function Download PDFInfo
- Publication number
- CN105525566A CN105525566A CN201610067442.7A CN201610067442A CN105525566A CN 105525566 A CN105525566 A CN 105525566A CN 201610067442 A CN201610067442 A CN 201610067442A CN 105525566 A CN105525566 A CN 105525566A
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- China
- Prior art keywords
- saddle
- seat
- base
- main cable
- bridge main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge main cable saddle with a self-returning function. The bridge main cable saddle with the self-returning function comprises a base and a saddle main body, wherein the bottom of the saddle main body is connected with a rotating seat; the rotating seat is in sliding fit with the base; and the fitting surfaces of the rotating seat and the base are arc surfaces. The invention is advantaged in that the saddle realizes a certain longitudinal slip capacity; when the difference between main span loads on the two sides is large, the stress is redistributed through relative slip between a main saddle and a middle tower so that the anti-slip safety of a main cable satisfies standard requirements; and meanwhile, the requirements on the structural rigidity of the middle tower are reduced so that it is possible to design the middle tower according to a reinforced concrete main tower; and for a multi-span suspension bridge, the construction cost can be saved and the later-stage maintenance amount can be reduced.
Description
Technical field
The invention belongs to bridge technology field, particularly relate to a kind of bridge main cable saddle seat had from recovery function.
Background technology
For suspension bridge, the longitudinal restraint of two tower suspension bridges and multi-span suspension bridges main push-towing rope opposite side tower is stronger, and the longitudinal restraint of main push-towing rope centering column overhead is more weak in multi-span suspension bridges, when central tower both sides load difference is larger, if middle tower rigidity is excessive, the main push-towing rope of both sides is stressed to differ greatly, and saddle and main push-towing rope may produce slippage because frictional resistance is not enough, cause total system to destroy; As too small in inter-chamber tower rigidity, tower top has larger length travel, the vertical deflection of meeting Increased Load larger side main span, and middle tower self-strength also not easily meets.Therefore, the middle tower of multi-span suspension bridges be all generally adopt that rigidity is moderate, the rational head tower of intensity or steel-mixed tower, can suitably bend when main beam stress is unbalanced makes two ends internal force reach balance, but project scale can be caused thus comparatively large, and technical-economic index advantage is not obvious.
And when after saddle slippage, because main push-towing rope vertical force is very large, saddle is difficult to reset.
Therefore, the direction becoming these those skilled in the art and make great efforts how is solved the problems of the technologies described above.
Summary of the invention
Object of the present invention is just to provide a kind of bridge main cable saddle seat had from recovery function, can solve above-mentioned the deficiencies in the prior art part completely.
Object of the present invention is realized by following technical proposals:
There is the bridge main cable saddle seat from recovery function, comprise base and saddle body, it is characterized in that: described saddle body bottom portion connection of rotating seat, rotation seat coordinates with base sliding, and the fitting face of rotation seat and base is cambered surface.
As preferably, the fitting face of described rotation seat and base is spill cambered surface.
As preferably, the fitting face of described rotation seat and base is convex-shaped arc surface.
As preferably, the fitting face two ends of described rotation seat and base are provided with limited block.
As preferably, described saddle body bilateral symmetry is provided with counter-force seat, and on counter-force seat, corresponding saddle body is horizontally disposed with jack.
As preferably, described rotation seat lower arcuate surface arranges the slide plate that polytetrafluoroethylmaterial material is made, and is provided with chromium coating at base top surface, and slide plate coordinates with chromium coating that to form sliding friction secondary.
As preferably, described rotation seat lower arcuate surface arranges the slide plate that polytetrafluoroethylmaterial material is made, and is provided with curved stainless steel layer at base top surface, and slide plate coordinates with stainless steel layer that to form sliding friction secondary.
Compared with prior art, beneficial effect of the present invention is: this saddle possesses certain straight skidding ability, when both sides main span load difference is larger, redistribute stressed by the relative sliding of main saddle and middle tower, make the resistant slide safety of main push-towing rope meet code requirement, reduce the requirement of centering tower structure rigidity simultaneously, make middle tower become possibility according to steel concrete design of main tower, for multispan suspension bridge, construction costs can be saved like this, reduce late maintaining maintenance capacity.
Meanwhile, sliding friction pair adopts cambered surface, when after rotation seat slippage, can automatically reply under gravity, have Self-resetting function, can effectively reduce saddle reset force.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment one;
Fig. 2 is the top view of embodiment one;
Fig. 3 is the saddle rotary state schematic diagram of embodiment one;
Fig. 4 is the structural representation of embodiment two.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
Embodiment one
See Fig. 1 to Fig. 3, there is the bridge main cable saddle seat from recovery function, comprise base 3 and saddle body 1, by the detachable connection of rotating seat 2 of bolt bottom described saddle body 1, rotation seat 2 and base 3 are slidably matched, and rotation seat 2 is spill cambered surface with the fitting face 4 of base 3.
Further, described rotation seat 2 lower arcuate surface arranges the slide plate (not shown in FIG.) that polytetrafluoroethylmaterial material is made, and arranges chromium coating (not shown in FIG.) at base 3 end face, and slide plate coordinates with chromium coating that to form sliding friction secondary.Also can adopt another kind of structure, rotation seat 2 lower arcuate surface arranges the slide plate (not shown in FIG.) that polytetrafluoroethylmaterial material is made, and arranges curved stainless steel layer (not shown in FIG.) at base 3 end face, and slide plate coordinates with stainless steel layer that to form sliding friction secondary.
Described rotation seat 2 is provided with limited block 5 with fitting face 4 two ends of base 3.Be provided with counter-force seat 6 in saddle body 1 bilateral symmetry, on counter-force seat 6, corresponding saddle body 1 is horizontally disposed with jack 7, and this counter-force seat 6 is fixing on the base 3.
Concave surface sliding pair is set below saddle body 1, for rotating during saddle slippage, utilizes the rotation of saddle to make end face produce horizontal movement, thus reaching the object of adjustment saddle out-of-balance force.Certain horizontal loading can be born, resist bridge and be subject to wind and carry lateral displacement to main push-towing rope.
When this saddle slides suddenly, there is certain cushioning effect; When slip range reaches 800mm, the spacing power of desired level is less; Saddle is resetted by jack 7, adopts concave surface sliding pair reset force less, has Self-resetting function; Saddle structure good stability, structure are reliable.
Embodiment two
See Fig. 4, the difference of the present embodiment and embodiment one is, described rotation seat 2 is convex-shaped arc surface with the fitting face 4 of base 3.
Convex surface sliding pair is set below saddle body 1, for rotating during saddle slippage, saddle centre-height step-down, along with saddle rotates, slippage side height meeting step-down, and Cable tension side height increases.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. there is the bridge main cable saddle seat from recovery function, comprise base and saddle body, it is characterized in that: described saddle body bottom portion connection of rotating seat, rotation seat coordinates with base sliding, and the fitting face of rotation seat and base is cambered surface.
2. the bridge main cable saddle seat had from recovery function according to claim 1, is characterized in that: the fitting face of described rotation seat and base is spill cambered surface.
3. the bridge main cable saddle seat had from recovery function according to claim 1, is characterized in that: the fitting face of described rotation seat and base is convex-shaped arc surface.
4. the bridge main cable saddle seat had from recovery function according to claim 1 and 2, is characterized in that: the fitting face two ends of described rotation seat and base are provided with limited block.
5. the bridge main cable saddle seat had from recovery function according to claim 1 and 2, is characterized in that: described saddle body bilateral symmetry is provided with counter-force seat, and on counter-force seat, corresponding saddle body is horizontally disposed with jack.
6. the bridge main cable saddle seat had from recovery function according to claim 1 and 2, it is characterized in that: described rotation seat lower arcuate surface arranges the slide plate that polytetrafluoroethylmaterial material is made, be provided with chromium coating at base top surface, slide plate coordinates with chromium coating that to form sliding friction secondary.
7. the bridge main cable saddle seat had from recovery function according to claim 1 and 2, it is characterized in that: described rotation seat lower arcuate surface arranges the slide plate that polytetrafluoroethylmaterial material is made, be provided with curved stainless steel layer at base top surface, slide plate coordinates with stainless steel layer that to form sliding friction secondary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067442.7A CN105525566A (en) | 2016-01-29 | 2016-01-29 | Bridge main cable saddle with self-returning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067442.7A CN105525566A (en) | 2016-01-29 | 2016-01-29 | Bridge main cable saddle with self-returning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105525566A true CN105525566A (en) | 2016-04-27 |
Family
ID=55768061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610067442.7A Pending CN105525566A (en) | 2016-01-29 | 2016-01-29 | Bridge main cable saddle with self-returning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105525566A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938512A (en) * | 2017-11-14 | 2018-04-20 | 成都市新筑路桥机械股份有限公司 | A kind of bridge main rope saddle bearer with spacing regulatory function |
| CN109024272A (en) * | 2018-07-02 | 2018-12-18 | 中铁大桥勘测设计院集团有限公司 | A kind of combined type main cable saddle structure |
| CN109267483A (en) * | 2018-11-22 | 2019-01-25 | 四川农业大学 | A kind of novel main cable saddle device of suspension bridge |
| CN114108462A (en) * | 2021-11-23 | 2022-03-01 | 贵州正海工程建设有限责任公司 | Novel rotatable cable saddle of mountain area cable system |
| CN114108463A (en) * | 2021-12-08 | 2022-03-01 | 湖北省交通规划设计院股份有限公司 | Suspension bridge cable tower stress state active control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3505470A1 (en) * | 1985-02-16 | 1986-10-09 | Thyssen Industrie Ag, 4300 Essen | Saddle bearing for cable-stayed structures |
| JP2000064225A (en) * | 1998-08-25 | 2000-02-29 | Shinko Kosen Kogyo Kk | Cable connecting method for suspended structure |
| CN101899814A (en) * | 2010-07-12 | 2010-12-01 | 成都市新筑路桥机械股份有限公司 | Dispersed cable saddle structure for bridge |
| CN101962937A (en) * | 2010-09-30 | 2011-02-02 | 中铁大桥勘测设计院有限公司 | Base type scattered cable saddle |
| CN102758403A (en) * | 2012-07-18 | 2012-10-31 | 成都市新筑路桥机械股份有限公司 | Main rope saddle for bridge |
| CN205347991U (en) * | 2016-01-29 | 2016-06-29 | 成都市新筑路桥机械股份有限公司 | Bridge main rope saddle with from recovery function |
-
2016
- 2016-01-29 CN CN201610067442.7A patent/CN105525566A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3505470A1 (en) * | 1985-02-16 | 1986-10-09 | Thyssen Industrie Ag, 4300 Essen | Saddle bearing for cable-stayed structures |
| JP2000064225A (en) * | 1998-08-25 | 2000-02-29 | Shinko Kosen Kogyo Kk | Cable connecting method for suspended structure |
| CN101899814A (en) * | 2010-07-12 | 2010-12-01 | 成都市新筑路桥机械股份有限公司 | Dispersed cable saddle structure for bridge |
| CN101962937A (en) * | 2010-09-30 | 2011-02-02 | 中铁大桥勘测设计院有限公司 | Base type scattered cable saddle |
| CN102758403A (en) * | 2012-07-18 | 2012-10-31 | 成都市新筑路桥机械股份有限公司 | Main rope saddle for bridge |
| CN205347991U (en) * | 2016-01-29 | 2016-06-29 | 成都市新筑路桥机械股份有限公司 | Bridge main rope saddle with from recovery function |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938512A (en) * | 2017-11-14 | 2018-04-20 | 成都市新筑路桥机械股份有限公司 | A kind of bridge main rope saddle bearer with spacing regulatory function |
| CN109024272A (en) * | 2018-07-02 | 2018-12-18 | 中铁大桥勘测设计院集团有限公司 | A kind of combined type main cable saddle structure |
| CN109024272B (en) * | 2018-07-02 | 2021-05-04 | 中铁大桥勘测设计院集团有限公司 | Combined main cable saddle structure |
| CN109267483A (en) * | 2018-11-22 | 2019-01-25 | 四川农业大学 | A kind of novel main cable saddle device of suspension bridge |
| CN114108462A (en) * | 2021-11-23 | 2022-03-01 | 贵州正海工程建设有限责任公司 | Novel rotatable cable saddle of mountain area cable system |
| CN114108462B (en) * | 2021-11-23 | 2023-12-22 | 贵州正海工程建设有限责任公司 | Novel rotatable cable saddle of mountain area cable system |
| CN114108463A (en) * | 2021-12-08 | 2022-03-01 | 湖北省交通规划设计院股份有限公司 | Suspension bridge cable tower stress state active control system |
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Application publication date: 20160427 |