CN110359356A - Small arrow degree difference cable way bridge - Google Patents
Small arrow degree difference cable way bridge Download PDFInfo
- Publication number
- CN110359356A CN110359356A CN201910694142.5A CN201910694142A CN110359356A CN 110359356 A CN110359356 A CN 110359356A CN 201910694142 A CN201910694142 A CN 201910694142A CN 110359356 A CN110359356 A CN 110359356A
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- CN
- China
- Prior art keywords
- main rope
- pulley
- bridge
- cable
- degree difference
- Prior art date
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 21
- 238000009408 flooring Methods 0.000 claims description 8
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004575 stone Substances 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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
-
- 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
Abstract
The present invention relates to a kind of small arrow degree difference cable way bridges, belong to science of bridge building field.The present invention on anchorage by being arranged angle pulley, make adjacent two or more main ropes are connected to each other, keep the arrow degree for the main rope being connected to each other always consistent, it is poor that absolute deflection is reduced by connection main rope simultaneously, reduce the radical of full-bridge main rope by 1/2-2/3 than common cable way bridge, even full-bridge is formed by steel cable, to realize that reduction absolutely arrow degree difference even sag is equal, improves main rope stress.The present invention may be implemented to reduce that main rope sky cable absolutely arrow degree is poor, and in the new main rope difference that the runtime generates can voluntarily coordinate to reduce that absolute arrow degree is poor or elimination main rope sag is poor.The present invention can be effectively improved cable way bridge main rope sky cable sag difference, to reduce discontinuity situation between more main ropes.The present invention can mitigate the main rope sag difference generated in cable way bridge operation.
Description
Technical field
The present invention relates to a kind of small arrow degree difference cable way bridges, belong to science of bridge building field.
Background technique
Cable way bridge is that anchorage is respectively set in river two sides, is laid with more main ropes arranged side by side between anchorage, above main rope
Floorings are laid with, vehicle travels on floorings.Vehicular load passes to main bearing rope by floorings, and main rope transmits the force to
It is anchored in the anchorage of two sides.When cable way bridge is designed and calculated, often assume that main rope is uniformly common stress, but many experiments number
According to showing under load action, there are non-uniform phenomenons for the internal force of main rope.When main rope internal force is unevenly mainly by erection of main cable
Empty cable sag is not that definite value etc. is former there are construction deviation and support differential settlement, main push-towing rope residual deformation and main push-towing rope elasticity modulus
Because caused by cable way bridge operation caused by main rope sag difference.
Existing implementation is to reinforce construction management, reduces sag difference between sky cable main rope to the greatest extent；Improve peace when calculating
Overall coefficient.The precision of empty cable main rope sag is difficult to control, and is difficult to be adjusted or adjust after main rope sag difference occurs after Cheng Qiao
The whole duration is longer, costly.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of small arrow degree difference cable way bridge, it can be achieved that reducing absolutely arrow degree
Difference improves main rope stress.
To solve above-mentioned technical problem the technical scheme adopted by the invention is that: small arrow degree difference cable way bridge, including be set to
The anchorage of river two sides, river two sides are respectively arranged with abutment on the inside of anchorage, and main rope, setting at the top of abutment are laid between anchorage
There is cable saddle compatible with main rope, floorings are laid with above main rope, are fixedly installed with pulley on the inside of anchorage, pulley is along bridge deck width
Direction setting is in a row, and main rope sequentially passes through in the pulley room of two anchorages, forms S type arragement construction, and main rope end is fixed and set
It sets.
Further, main rope is formed by steel cable.
Further, main rope quantity is more, at least 1 main rope forms S type arragement construction.
Further, the fixed setting structure of main rope end is, main rope end after around pulley by locker with
Main rope ontology is connected and fixed；The fixed setting structure of main rope end is to be connected and fixed by anchor cable and anchorage.
Further, a portion pulley or whole pulleys are replaced using pulley blocks, pulley blocks are set side by side
Multiple pulleys.
Further, pulley blocks are two pulleys being set side by side.
Further, pulley it is vertically arranged be multilayered structure, pulley is vertical in the shape that is staggered, each layer of pulley
Corresponding main rope is respectively formed S type arragement construction.
Further, main rope is formed by steel cable, main rope passes through be arranged in the pulley of same layer after, again successively
Across next layer of pulley.
Further, main rope is formed by more wirerope, each layer of pulley is correspondingly arranged one or more wirerope.
Further, pulley it is vertically arranged be two layers.
The implementation steps of the invention are as follows: construction anchorage；Pulley arrangements mode is selected according to main rope spacing, is installed on the inside of anchorage
Pulley；Main rope is installed, the pulley room using wirerope in two anchorages sequentially passes through, and end is connected and fixed by locker；In master
Floorings are laid on rope；Be open to traffic operation.
The beneficial effects of the present invention are: by the way that angle pulley is arranged on anchorage, make adjacent two or more main ropes each other
Connection, keeps the arrow degree for the main rope being connected to each other always consistent, while poor by connection main rope reduction absolute deflection, makes full-bridge
The radical of main rope reduces 1/2-2/3 or even full-bridge than common cable way bridge and is formed by steel cable, to realize reduction absolutely arrow
Degree difference even sag is equal, improves main rope stress.It is poor that reduction main rope sky cable absolutely arrow degree may be implemented in the present invention, and is running
The new main rope difference that phase generates can voluntarily coordinate to reduce absolute arrow degree difference or elimination main rope sag is poor.The present invention can be effective
Improve cable way bridge main rope sky cable sag difference, to reduce discontinuity situation between more main ropes.The present invention can mitigate rope
The main rope sag difference generated in bridge operation.
Detailed description of the invention
Fig. 1 is the elevational schematic view of embodiment one, two, five, six in the present invention；
Fig. 2 is the elevational schematic view of embodiment three, four, seven in the present invention；
Fig. 3 is the floor map of embodiment one in the present invention；
Fig. 4 is the floor map of embodiment two in the present invention；
Fig. 5 is the floor map of embodiment three in the present invention；
Fig. 6 is the floor map of example IV in the present invention；
Fig. 7 is the floor map of embodiment five in the present invention；
Fig. 8 is the floor map of embodiment six in the present invention；
Fig. 9 is the floor map of embodiment seven in the present invention；
Marked in the figure: 1- anchorage, 2- main rope, 21-A layers of main rope, 22-B layers of main rope, 3- floorings, 4- pulley, 41-A layers of cunning
Wheel, 42-B layers of pulley, 5- abutment, 6- cable saddle, 7- locker, 8- ground line.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in figures 1 and 3, the present invention includes the anchorage 1 for being set to river two sides, and river two sides are divided on the inside of anchorage 1
It is not provided with abutment 5, main rope 2 is laid between anchorage 1, be provided with cable saddle 6 compatible with main rope 2 at the top of abutment 5, on main rope 2
Face is laid with floorings 3, pulley 4 is fixedly installed on the inside of anchorage 1, pulley 4 is in a row along the setting of bridge deck width direction, and main rope 2 exists
It sequentially passed through between the pulley 4 of two anchorages 1, form S type arragement construction, the fixed setting of 2 end of main rope.Main rope 2 can whole installation
It is one, is arranged to several after can also interrupting.When main rope 2 is formed by steel cable, it can preferably play it in this way and voluntarily assist
Tune ability.When main rope 2 is more, at least 1 main rope 2 forms S type arragement construction, and preferably every main rope 2 is respectively formed S type cloth
Structure is set, when using more root knot structures, then there is better security performance.The fixed setting structure of 2 end of main rope is 2 end of main rope
Portion is connected and fixed after around pulley 4 by locker 7 and 2 ontology of main rope；The fixed setting structure of 2 end of main rope is,
It is connected and fixed by anchor cable and anchorage 1.Assuming that usually using main rope at 2 both ends of main rope when main rope 2 is formed by steel cable
2 ends are after around pulley 4 in such a way that locker 7 and 2 ontology of main rope are connected and fixed.Assuming that main rope 2 is by more wirerope
When composition, regard more wirerope as an entirety, pulley is usually being bypassed using 2 end of main rope in whole end positions
After 4 in such a way that locker 7 and 2 ontology of main rope are connected and fixed, and anchor cable and anchor are then used in whole middle part other positions
The mode that heavy stone used as an anchor 1 is connected and fixed.
As shown in Figure 1 and Figure 4, different according to 2 spacing of main rope, a portion pulley 4 or whole pulleys 4 in the present invention
Pulley blocks replacement can be used, pulley blocks are the multiple pulleys 4 being set side by side.Pulley blocks are preferably two pulleys 4 being set side by side,
4 spacing of pulley can be set as needed.
In addition, as shown in Figure 2, Figure 5 and Figure 6, the pulley 4 in the present invention vertically may be configured as multilayered structure, and pulley 4 exists
Vertical is in the shape that is staggered, and each layer of corresponding main rope 2 of pulley 4 is respectively formed S type arragement construction.It is main when using multilayered structure
Rope 2 can be configured as more with whole installation for one.When main rope 2 is formed by steel cable, main rope 2 is passed through and is arranged in
After the pulley 4 of same layer, next layer of pulley 4 is sequentially passed through again.When main rope 2 is formed by more wirerope, each layer of pulley 4
It is correspondingly arranged one or more wirerope.For convenience of practical, pulley 4 usually it is vertically arranged be two layers.
Different according to 2 spacing of main rope, the present invention is divided into basic condition and situation one, situation two.
The bridge that basic condition is suitable for equal 2 spacing of main rope and spacing and diameter of pulley match, the present invention can be used
Arrangement as shown in figures 1 and 3, main rope 2 are formed by steel cable, and pulley 4 is in a row along the setting of bridge deck width direction,
Main rope 2 sequentially passes through between the pulley 4 of two anchorages 1, forms S type arragement construction, and 2 end of main rope leads to after around pulley 4
Locker 7 is crossed to be connected and fixed with 2 ontology of main rope.In addition, arrangement as shown in Figure 1 and Figure 7 can also be used, main rope 2 is more,
Every main rope 2 sequentially passes through between the pulley 4 of two anchorages 1, forms S type arragement construction.
When situation one is big compared with basic condition suitable for 2 spacing of main rope, can be equidistantly may be unequal spacing,
When being equidistant, arrangement as shown in Figure 1 and Figure 4 is can be used in the present invention, and main rope 2 is formed by steel cable, 4 edge of pulley
The setting of bridge deck width direction is in a row, and two pulleys 4 being set side by side constitute pulley blocks, pulley blocks of the main rope 2 in two anchorages 1
Between sequentially pass through, form S type arragement construction, 2 end of main rope is connect by locker 7 with 2 ontology of main rope after around pulley 4 to be consolidated
It is fixed.In addition, arrangement as illustrated in figures 1 and 8 can also be used, main rope 2 is more, and every main rope 2 is in two anchorages 1
It sequentially passed through between pulley blocks, form S type arragement construction.
When situation one is unequal spacing, 4 spacing of pulley can be set as needed, or adopts on the basis of the said structure
Part pulley blocks are replaced with single pulley 4.
When situation two is small compared with basic condition suitable for 2 spacing of main rope, equidistantly change can also can be combined with situation one
At unequal spacing, 2 Steric clashes of main rope are should be avoided in the two row or multi-row pulley 4 on the situation anchorage 1, and main rope 2 on the whole may be used
Think same root.It is below that two rows of structures is illustrated with pulley 4.
When main rope 2 is two in situation two, as shown in Figure 2 and Figure 5, pulley 4 includes A layers of pulley 41 and B layers of pulley 42, two
For person vertical in the shape that is staggered, main rope 2 includes A layers of main rope 21 and B layers of main rope 22, A layer of the A layers of main rope 21 in two anchorages 1
It sequentially passed through between pulley 41, form S type arragement construction, B layers of main rope 22 sequentially pass through between the B layer pulley 42 of two anchorages 1, shape
At S type arragement construction, 2 end of main rope is connected and fixed after around pulley 4 by locker 7 and 2 ontology of main rope.
When main rope 2 is one in situation two, as shown in Figure 2 and Figure 6, pulley 4 includes A layers of pulley 41 and B layers of pulley 42, two
Person is vertical in the shape that is staggered, and main rope 2 sequentially passes through between the A layer pulley 41 of two anchorages 1, forms S type arragement construction, so
For main rope 2 again from sequentially passing through between the B layer pulley 42 of two anchorages 1, forming S type arragement construction, 2 end of main rope is bypassing pulley afterwards
It is connected and fixed after 4 by locker 7 and 2 ontology of main rope.
When main rope 2 is more in situation two, as shown in Figure 2 and Figure 9, pulley 4 includes A layers of pulley 41 and B layers of pulley 42, two
Person is vertical in the shape that is staggered, and main rope 2 includes B layers of main rope 22 of more A layers of main rope 21 and Duo Gen, and every A layers of main rope 21 are two
It sequentially passed through between the A layer pulley 41 of a anchorage 1, form S type arragement construction, every B layers of main rope 22 are sliding in the B layer of two anchorages 1
It sequentially passed through between wheel 42, form S type arragement construction, the fixed setting of 2 end of main rope.Regard more A layers of main rope 21 as an entirety,
In the side that whole end positions are connected and fixed after around pulley 4 by locker 7 and 2 ontology of main rope using 2 end of main rope
Formula, and in whole middle part other positions then in such a way that anchor cable and anchorage 1 are connected and fixed.More B layers of main rope 22 are regarded as
One entirety is connect by locker 7 with 2 ontology of main rope after around pulley 4 in whole end positions using 2 end of main rope
Fixed mode, and in whole middle part other positions then in such a way that anchor cable and anchorage 1 are connected and fixed.
Claims (10)
1. small arrow degree difference cable way bridge, the anchorage (1) including being set to river two sides, river two sides are set respectively on the inside of anchorage (1)
It being equipped with abutment (5), is laid with main rope (2) between anchorage (1), abutment (5) top is provided with and main rope (2) compatible cable saddle (6),
Main rope (2) is laid with floorings (3) above, it is characterised in that: is fixedly installed with pulley (4) on the inside of anchorage (1), pulley (4) is along bridge
Width direction setting in face is in a row, and main rope (2) sequentially passes through between the pulley (4) of two anchorages (1), forms S type arragement construction,
The fixed setting of main rope (2) end.
2. small arrow degree difference cable way bridge as described in claim 1, it is characterised in that: main rope (2) is formed by steel cable.
3. small arrow degree difference cable way bridge as described in claim 1, it is characterised in that: main rope (2) quantity is more, at least 1
Main rope (2) forms S type arragement construction.
4. small arrow degree difference cable way bridge as described in claim 1, it is characterised in that: the fixed setting structure of main rope (2) end is,
Main rope (2) end is connected and fixed after around pulley (4) by locker (7) and main rope (2) ontology；Main rope (2) end is consolidated
Determine setting structure or be, is connected and fixed by anchor cable and anchorage (1).
5. small arrow degree difference cable way bridge as described in claim 1, it is characterised in that: a portion pulley (4) or whole pulleys
(4) it is replaced using pulley blocks, pulley blocks are the multiple pulleys (4) being set side by side.
6. small arrow degree difference cable way bridge as claimed in claim 4, it is characterised in that: pulley blocks are two pulleys being set side by side
(4)。
7. the small arrow degree difference cable way bridge as described in any one of claim 1,4,5,6, it is characterised in that: pulley (4) is perpendicular
To multilayered structure is set as, vertical in the shape that is staggered, the corresponding main rope (2) of each layer of pulley (4) is respectively formed pulley (4)
S type arragement construction.
8. small arrow degree difference cable way bridge as claimed in claim 7, it is characterised in that: main rope (2) is formed by steel cable, main rope
(2) it passes through after being arranged in the pulley (4) of same layer, sequentially pass through next layer of pulley (4) again.
9. small arrow degree difference cable way bridge as claimed in claim 7, it is characterised in that: main rope (2) You Duogen wirerope is formed, each
Layer pulley (4) is correspondingly arranged one or more wirerope.
10. small arrow degree difference cable way bridge as claimed in claim 7, it is characterised in that: pulley (4) it is vertically arranged be two layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694142.5A CN110359356A (en) | 2019-07-30 | 2019-07-30 | Small arrow degree difference cable way bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694142.5A CN110359356A (en) | 2019-07-30 | 2019-07-30 | Small arrow degree difference cable way bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359356A true CN110359356A (en) | 2019-10-22 |
Family
ID=68222769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694142.5A Pending CN110359356A (en) | 2019-07-30 | 2019-07-30 | Small arrow degree difference cable way bridge |
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| Country | Link |
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| CN (1) | CN110359356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036497A1 (en) * | 2022-08-17 | 2024-02-22 | 中交第二公路工程局有限公司 | Deck cable and stabilizing cable anchoring system for cableway bridge, and construction method |
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| CN2633942Y (en) * | 2003-05-30 | 2004-08-18 | 昆明理工大学 | Double lane double-layer inverted tension steel cable bridge |
| CN103010999A (en) * | 2013-01-09 | 2013-04-03 | 商友云 | Adjustable pulley block mechanism |
| CN104649127A (en) * | 2015-01-29 | 2015-05-27 | 象王重工股份有限公司 | Flexible self-balance multi-suspension-point hanging beam structure |
| CN105113414A (en) * | 2015-09-11 | 2015-12-02 | 中铁八局集团桥梁工程有限责任公司 | Method for quickly setting up main ropes of suspension bridge |
| GB201600310D0 (en) * | 2016-01-08 | 2016-02-24 | Bright Stephen | A bridging system |
| CN205062662U (en) * | 2015-09-11 | 2016-03-02 | 中铁八局集团桥梁工程有限责任公司 | Novel cat road bridge main rope structure |
| CN106835944A (en) * | 2017-04-13 | 2017-06-13 | 中国电建集团成都勘测设计研究院有限公司 | Double-deck main rope cable way bridge |
| CN106968164A (en) * | 2017-05-16 | 2017-07-21 | 中国电建集团成都勘测设计研究院有限公司 | Cable way bridge abutment |
| CN206815163U (en) * | 2017-04-14 | 2017-12-29 | 中交武汉港湾工程设计研究院有限公司 | A kind of suspension cable construction bridge |
| CN210420841U (en) * | 2019-07-30 | 2020-04-28 | 中国电建集团成都勘测设计研究院有限公司 | Cableway bridge with small vector difference |
-
2019
- 2019-07-30 CN CN201910694142.5A patent/CN110359356A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633942Y (en) * | 2003-05-30 | 2004-08-18 | 昆明理工大学 | Double lane double-layer inverted tension steel cable bridge |
| CN103010999A (en) * | 2013-01-09 | 2013-04-03 | 商友云 | Adjustable pulley block mechanism |
| CN104649127A (en) * | 2015-01-29 | 2015-05-27 | 象王重工股份有限公司 | Flexible self-balance multi-suspension-point hanging beam structure |
| CN105113414A (en) * | 2015-09-11 | 2015-12-02 | 中铁八局集团桥梁工程有限责任公司 | Method for quickly setting up main ropes of suspension bridge |
| CN205062662U (en) * | 2015-09-11 | 2016-03-02 | 中铁八局集团桥梁工程有限责任公司 | Novel cat road bridge main rope structure |
| GB201600310D0 (en) * | 2016-01-08 | 2016-02-24 | Bright Stephen | A bridging system |
| CN106835944A (en) * | 2017-04-13 | 2017-06-13 | 中国电建集团成都勘测设计研究院有限公司 | Double-deck main rope cable way bridge |
| CN206815163U (en) * | 2017-04-14 | 2017-12-29 | 中交武汉港湾工程设计研究院有限公司 | A kind of suspension cable construction bridge |
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| CN210420841U (en) * | 2019-07-30 | 2020-04-28 | 中国电建集团成都勘测设计研究院有限公司 | Cableway bridge with small vector difference |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036497A1 (en) * | 2022-08-17 | 2024-02-22 | 中交第二公路工程局有限公司 | Deck cable and stabilizing cable anchoring system for cableway bridge, and construction method |
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