CN206887767U - A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction - Google Patents
A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction Download PDFInfo
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- CN206887767U CN206887767U CN201720625504.1U CN201720625504U CN206887767U CN 206887767 U CN206887767 U CN 206887767U CN 201720625504 U CN201720625504 U CN 201720625504U CN 206887767 U CN206887767 U CN 206887767U
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- main
- strand
- saddle
- towing rope
- clamping plate
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Abstract
The utility model discloses a kind of main push-towing rope for the main saddle of suspension bridge to be layered anti-skid construction, is arranged on the main saddle of suspension bridge and additional antiskid friction function is provided for main push-towing rope.Including friction clamping plate and anti-skid device；Polylith friction clamping plate is provided with main saddle saddle groove, its upper and lower surface is the arcwall face that can be in close contact with strand, and main push-towing rope is divided into upper strata strand (2) and lower floor's strand (3).Two secondary anti-skid devices are symmetrically disposed in the two ends on main saddle top, clamp upper strata strand by fastening bolt (9) and prevent its straight skidding.The antiskid that the utility model can both improve lower floor's strand is horizontal, can avoid upper strata strand again because of the risk that anti-slide performance is weak and slides first, and having the advantages that to set up defences, with clearly defined objective, stress relation is simple, operability is good, and be particularly suitable for use in multi-span suspension bridges structure.
Description
Technical field
The utility model belongs to suspension bridge technical field, and in particular to a kind of main saddle for main push-towing rope antiskid.
Background technology
Main push-towing rope is the lifeline of suspension bridge, it by main saddle at the top of bridge tower realize across full curve mistake
Cross.To ensure full bridge structure safety, do not allow relative displacement occurs between main push-towing rope and main saddle, this is required between main push-towing rope and main saddle
With enough antiskid frictional force.
Multi-span suspension bridges are across the preferable bridge type of the wide water domains such as bay, straits, great development prospect.But for the bridge
For type, there is the traffic that Zhong Ta sides are fully loaded, opposite side is unloaded, now the main push-towing rope power difference of Zhong Ta both sides is very big, right
Anti-slide performance between main push-towing rope and main saddle proposes very harsh requirement, and conventional main saddle form can not meet this
It is required that.For the problem, conventional resolving ideas mainly has：1. by main push-towing rope top compression cover plate, to increase main push-towing rope and master
Radial pressure between saddle, and then improve the antiskid frictional force between the two.However, with main push-towing rope itself caused by huge radial load phase
Than, the pressure additionally applied is extremely limited, and under arms the phase obvious time-varying Decay Rate be present, therefore this kind of antiskid mode is not
Reliably；2. by setting polylith vertical plate or level board in saddle groove, main push-towing rope anti-slide performance is improved by increase rubbing surface.And
In fact, because larger difference from top to bottom be present in the anti-slide performance of main cable strand, top layer strand because antiskid frictional force is minimum and
It can slide first, therefore which can not effectively make up the antiskid " short slab " of top layer strand, therefore, it is difficult to ensure that the entirety of main push-towing rope resists
Sliding security；3. by tower rigidity in weakening, reduce that the main push-towing rope power being likely to occur is poor, so as to evade the sliding risk of main push-towing rope, but
This processing mode can reduce full bridge structure rigidity and wind resisting stability, while can also dramatically increase construction costs, therefore this
The practice is not a kind of favourable solution yet.
Utility model content
For the above-mentioned technical problem present in prior art, the utility model provides one kind and is used for the main saddle of suspension bridge
Main push-towing rope layering anti-skid construction.
Technical scheme is used by the utility model solves its technical problem：
A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction, is arranged on the main saddle of suspension bridge and is provided for main push-towing rope
Additional antiskid friction function.Including friction clamping plate and anti-skid device；Polylith friction clamping plate is provided with main saddle saddle groove, is rubbed
Wipe clamping plate to be sequentially positioned in main push-towing rope, its upper and lower surface is the arcwall face that can be in close contact with strand, and main push-towing rope is divided into
Upper strata strand 2 and lower floor's strand 3；The both sides of friction clamping plate carry tenon 4, by tenon 4 be embedded into main saddle side wall 5 with
The moving up and down friction clamping plate of cooperation and in the neck 6 that can not vertically move；
Described two secondary anti-skid devices are symmetrically disposed in the two ends on main saddle top, anti-skid device include lower plate 7,
Train wheel bridge 8 and the fastening bolt 9 for coupling lower plate and train wheel bridge；The thickness and upper and lower surface and friction clamp of lower plate 7
Plate is consistent；The inner section shape of train wheel bridge 8 is consistent with the arrangement of upper strata strand 3；The end face of lower plate 7 and train wheel bridge 8 with master
Saddle is held out against, and leaves the hole for being available for fastening bolt 9 to pass through；Upper strata strand is clamped by fastening bolt 9 and prevents it vertical
To sliding.
Further, the quantity of described upper strata strand 3 is less than the quantity of lower floor's strand 2.
Further, friction clamping plate whole process in two secondary anti-skid device sections is arranged on upper strata strand 2 and lower floor's rope
Between stock 3.Friction clamping plate at least has four.
The beneficial effects of the utility model are：The utility model compared with prior art, by setting friction clamping plate, can be
Main push-towing rope provides extra antiskid rubbing surface, immense pressure caused by strand itself on plate is made full use of with this, to effectively improve down
The antiskid of layer strand is horizontal；By setting up anti-skid device, top layer strand can be avoided to be slid first because anti-slide performance is weak
Risk.Therefore, the processing mode of above-mentioned layering antiskid, the overall antiskid performance of main push-towing rope can be obviously improved, has target of setting up defences bright
Really, the advantages that stress relation is simple, operability is good, if in multi-span suspension bridges structure, middle tower rigidity can be substantially improved
Space is selected, thus can optimize the behavior of full-bridge stress and save substantial amounts of engineering cost.
Brief description of the drawings
Fig. 1 is main saddle structure partial side view of the present utility model.
Fig. 2 is the top view of main saddle structure of the present utility model.
Fig. 3 is sectional views of the Fig. 1 along AA directions.
Fig. 4 is sectional views of the Fig. 1 along BB directions.
Fig. 5 is the organigram of friction clamping plate.
In figure, 1. friction clamping plates, 2. lower floor's strands, 3. upper strata strands, 4. tenons, 5. main saddle side walls, 6. necks,
7. lower plate, 8. train wheel bridges, 9. fastening bolts, 10. split bolts.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
In the main push-towing rope layering anti-skid construction embodiment shown in Fig. 1~Fig. 5, some pieces are provided with along the longitudinal direction of main saddle saddle groove
Friction clamping plate 1, so as to which main cable strand is divided into lower floor's strand 2 and upper strata strand 3.The upper and lower surface of friction clamping plate 1 is both designed as
Arcwall face, main cable strand can be made to be in close contact with friction clamping plate 1.The both sides of each piece of friction clamping plate 1 are equipped with tenon 4, and tenon 4 can
Moved up and down along the neck 6 in main saddle side wall 5, so as to the pressure transmission that acts on upper strata strand 3 on friction clamping plate 1 extremely
Lower floor's strand 2.Because neck 6 can not vertically move to the longitudinal restraint of tenon 4, friction clamping plate 1, therefore can be that lower floor's strand 2 carries
For an extra antiskid rubbing surface, therefore immense pressure caused by upper strata strand 3 itself can be made full use of to be obviously improved down
The antiskid of layer strand 2 is horizontal.
On this basis, slid first to avoid upper strata strand 3 because itself anti-slide performance is weak, in upper strata strand
Anti-skid device is provided with 3 two saddle notches, anti-skid device is made up of lower plate 7, train wheel bridge 8 and fastening bolt 9.Wherein, under
Leave the hole for being available for fastening bolt 9 to pass through in the both sides of clamping plate 7 and train wheel bridge 8；The inner section shape of train wheel bridge 8 and upper strata rope
The spread geometry of stock 3 is consistent, and upper strata strand 3 is clamped with rule；The thickness of lower plate 7 is consistent with friction clamping plate 1, is adapted to this
The linear transition of strand.Due to the clamping of fastening bolt 9, upper lower plate can keep overall with upper strata strand 3, and again due to upper and lower
The end face of clamping plate is held out against with main saddle, therefore just constrains the length travel of upper strata strand 3, that is, has evaded upper strata strand 3
Slippage.
Summary is layered antiskid mode, can both effectively improve the anti-slide performance of lower floor's strand 2, can thoroughly avoid upper strata again
The slippage of strand 3, thus it is obviously improved the overall antiskid performance of main push-towing rope.
The Specific construction process of the present embodiment is：Lower floor's strand 2 is laid first, and makes strand either flush；Then, will rub
The tenon 4 of clamping plate 1 is wiped along the slide downward of neck 6, carries out the piecemeal installation of friction clamping plate 1；Meanwhile interim fixation is taken,
Lower plate 7 is laid in saddle groove port, then lays upper strata strand 3；After all strands are laid, Screw arbor with nut at both-ends 10 is passed through
The hole of main saddle side wall 5 is simultaneously tightened；Then, after the completion of Cheng Qiao, train wheel bridge 8 is installed, and adjust train wheel bridge 8 and lower plate 7
End face held out against with main saddle, finally install and fastening bolt 9 and tighten.
Specific embodiment of the present utility model is described above in association with accompanying drawing, but these explanations can not be understood to
The scope of the utility model is limited, the scope of protection of the utility model is limited by appended claims, any in this reality
All it is the scope of protection of the utility model with the change on the basis of new claim.
Claims (4)
1. a kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction, be arranged on the main saddle of suspension bridge provided for main push-towing rope it is attached
The antiskid friction function added, it is characterised in that including friction clamping plate and anti-skid device；Polylith is provided with main saddle saddle groove to rub
Clamping plate is wiped, friction clamping plate is sequentially positioned in main push-towing rope, and its upper and lower surface is the arcwall face that can be in close contact with strand, by master
Cable is divided into upper strata strand (2) and lower floor's strand (3)；The both sides of friction clamping plate carry tenon (4), embedded by tenon (4)
On to main saddle side wall (5) in the matched neck (6) that moves up and down friction clamping plate and can not vertically move；
Two secondary anti-skid devices are symmetrically disposed in the two ends on main saddle top, and anti-skid device includes lower plate (7), train wheel bridge
(8) and for coupling the fastening bolt (9) of lower plate and train wheel bridge；The thickness and upper and lower surface and friction clamp of lower plate (7)
Plate is consistent；The inner section shape of train wheel bridge (8) is consistent with the arrangement of upper strata strand (3)；The end of lower plate (7) and train wheel bridge (8)
Face is held out against with main saddle, and leaves the hole for being available for fastening bolt (9) to pass through；Upper strata rope is clamped by fastening bolt (9)
Stock simultaneously prevents its straight skidding.
2. the main push-towing rope according to claim 1 for the main saddle of suspension bridge is layered anti-skid construction, it is characterised in that described
The quantity of upper strata strand (3) is less than the quantity of lower floor's strand (2).
3. the main push-towing rope according to claim 1 for the main saddle of suspension bridge is layered anti-skid construction, it is characterised in that described to rub
Clamping plate whole process in two secondary anti-skid device sections is wiped to be arranged between upper strata strand (2) and lower floor's strand (3).
4. the main push-towing rope for the main saddle of suspension bridge according to claim 1 or 3 is layered anti-skid construction, it is characterised in that institute
Stating friction clamping plate at least has four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625504.1U CN206887767U (en) | 2017-06-01 | 2017-06-01 | A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625504.1U CN206887767U (en) | 2017-06-01 | 2017-06-01 | A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206887767U true CN206887767U (en) | 2018-01-16 |
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ID=61320876
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625504.1U Expired - Fee Related CN206887767U (en) | 2017-06-01 | 2017-06-01 | A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206887767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217593A (en) * | 2017-06-01 | 2017-09-29 | 西南交通大学 | A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction |
| CN108842618A (en) * | 2018-08-01 | 2018-11-20 | 德阳天元重工股份有限公司 | A kind of cable saddle saddle slot pressing device |
-
2017
- 2017-06-01 CN CN201720625504.1U patent/CN206887767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217593A (en) * | 2017-06-01 | 2017-09-29 | 西南交通大学 | A kind of main push-towing rope for the main saddle of suspension bridge is layered anti-skid construction |
| CN108842618A (en) * | 2018-08-01 | 2018-11-20 | 德阳天元重工股份有限公司 | A kind of cable saddle saddle slot pressing device |
| CN108842618B (en) * | 2018-08-01 | 2024-03-22 | 德阳天元重工股份有限公司 | Saddle groove pressing device for cable saddle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20200601 |