CN203890880U - Vertical anti-skid friction plate used for improving anti-skid safety of welded type cable saddle - Google Patents
Vertical anti-skid friction plate used for improving anti-skid safety of welded type cable saddle Download PDFInfo
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- CN203890880U CN203890880U CN201420068276.9U CN201420068276U CN203890880U CN 203890880 U CN203890880 U CN 203890880U CN 201420068276 U CN201420068276 U CN 201420068276U CN 203890880 U CN203890880 U CN 203890880U
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- friction plate
- strand
- antiskid
- vertical
- saddle
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Abstract
The utility model discloses a vertical anti-skid friction plate used for improving the anti-skid safety of a welded type cable saddle. The vertical anti-skid friction plate is a sector-shaped corrugated steel plate, wherein a plurality of concentric circle wave trains are uniformly distributed on the sector-shaped corrugated steel plate from top to bottom, the trend of the wave trains is parallel to the upper edge and the lower edge of the sector-shaped corrugated steel plate, the lower edge of the is provided with a plurality of square-shaped grooves or grooves shaped like a Chinese character 'tu'. The vertical anti-skid friction plate adopts soft steel with the thickness of 12-20mm, the surface of the vertical anti-skid friction plate is subjected to zinc spraying treatment, the vertical anti-skid friction plate can conveniently separate cable strands of a main cable and be tightly fitted with the cable strands, the lower edge of the vertical anti-skid friction plate is tightly fitted with an arc top face of a saddle groove, and the grooves formed at the lower edge of the vertical anti-skid friction plate are tightly buckled with tooth-shaped bulges arranged on the arc top face of the saddle groove, so that larger longitudinal shear force can be borne, accordingly, the cable strands of the main cable can generate uniform and effective lateral extrusion force on the vertical anti-skid friction plate, the anti-skid problem of the saddle of a cable bent tower and the main cable in a three-tower suspension bridge is solved, and the implementation scheme is simple, reasonable, safe and economic.
Description
Technical field
The utility model relates to technical field of bridge engineering, is specifically related to a kind of for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety.
Background technology
Suspension bridge is the flexible cable bridge construction taking main push-towing rope tension as main supporting member.The loads such as girder deadweight, the second stage of dead load, automobile mobile load all pass to main push-towing rope by hoist cable, finally by main push-towing rope, whole load are passed to basis by king-tower and anchorage.Along with the increase of span, double tower suspension bridge need to be built huge anchorage, and economy reduces, and especially covers bed thickness, basement rock buries dark bridge.Three tower suspension bridges are compared single-span suspension bridge can significantly reduce tension of main cable and anchorage scale, and the construction condition of especially central tower is relatively better, and when two main spans arrange that can meet navigation requires, three tower suspension bridges will become comparatively reasonably design scheme.China has built up Taizhou Yangtze Bridge and the Ma'an Mountain's Yangtze Bridge of three tower suspension bridge: main span 1080m of two super kms of main span in succession.At present, China's Qiongzhou Strait bridge, Chile investigate the bridge spanning the sea such as bridge, Straits of Gibraltar bridge, have all proposed the design scheme of three towers or multi-span suspension bridges in planning.
For three tower suspension bridges, when two main spans are in the time that operation stage, asymmetric vehicle loading occurred, the saddle both sides of middle Sarasota will be subject to unbalanced tension of main cable effect, and this part uneven pulling force need be by the stiction balance between saddle and main push-towing rope.The research of the three tower suspension bridges such as Taizhou Yangtze Bridge shows, the cable saddle antiskid safety of middle Sarasota is greatly across one of crucial governing factor of footpath three towers and multi-span suspension bridges design.
In order to solve the antiskid problem of saddle and main push-towing rope of Sarasota in the Yangtze Bridge of Taizhou, design has adopted the flexible head tower scheme of herringbone shape.In order to solve the antiskid problem of saddle and main push-towing rope of Ma'an Mountain's Yangtze Bridge, design has adopted steel-aliasing to close Sarasota and tower beam consolidation system.The superstructure of the middle Sarasota of these two bridge bridges is steel work, solves the antiskid problem of saddle and main push-towing rope by the rigidity of Sarasota in sacrificing.Therefore, need research can not need the rigidity of Sarasota in sacrifice, directly pass through to improve simple, the economic design scheme of cable saddle antiskid safety.
Utility model content
(1) technical problem that will solve
In view of this, main purpose of the present utility model is for the saddle of Sarasota in three tower suspension bridges and the antiskid problem of main push-towing rope, provides a kind of for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety.
(2) technical scheme
For achieving the above object, it is a kind of for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety that the utility model provides, the corrugated steel plate that this vertical antiskid friction plate 1 is fan-like pattern, this fan-like pattern corrugated steel plate is evenly distributed with multiple concentric circles wave trains from top to bottom, the trend of the wave train is parallel to top edge and the lower limb of this fan-like pattern corrugated steel plate, and in the lower limb of this fan-like pattern corrugated steel plate offer multiple " " shapes or
connected in star 6.
In such scheme, the lower limb of this fan-like pattern corrugated steel plate and the camber line end face of saddle groove 5 fit tightly, and " " shape arranging on the camber line end face of the groove 6 offered of this fan-like pattern corrugated steel plate lower limb and saddle groove 5 or
shape detent projection 7 closely fastens.
In such scheme, the mild steel that described vertical antiskid friction plate 1 is thick 12mm～20mm, below content≤0.18% of its carbon C; Zinc processing, zinc coating thickness >=0.2mm are sprayed in its surface.
In such scheme, the number of the plurality of concentric circles wave train is m
iindividual, wherein m
ithe radical of the strand 2 of the i row main push-towing rope that the vertical antiskid friction plate 1 of serving as reasons separates.
In such scheme, if when main push-towing rope adopts (AS) method that spins to set up in the air, the strand 2 of main push-towing rope is circular, each concentric circles wave train of vertical antiskid friction plate 1 be circular arc " (" shape, " diameter of (" is identical with the diameter d of strand 2 for circular arc; The erection sequence of the strand 2 of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.The wavelength X of each concentric circles wave train is identical with the diameter d of strand 2, wave height
thereby ensure the intimate laminating of the strand 2 of vertical antiskid friction plate 1 and main push-towing rope.
In such scheme, if when main push-towing rope adopts Prefabricated parallel cable strand (PPWS) method to set up, the strand 2 of main push-towing rope is the horizontally disposed regular hexagon of upper bottom surface, each concentric circles wave train of vertical antiskid friction plate 1 is " < " shape that angle 120 is spent, and the both sides of " < " are identical with the length of side a of regular hexagon strand; The erection sequence of the strand 2 of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.The wavelength X of each concentric circles wave train is identical with the high H of regular hexagon strand, wave height
thereby ensure the intimate laminating of the strand 2 of vertical antiskid friction plate 1 and main push-towing rope.
(3) beneficial effect
Can find out from technique scheme, the utlity model has following beneficial effect:
What 1, the utility model provided is this for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, its surperficial antiskid frictional property and good endurance, it not only can be separated easily the strand of main push-towing rope and fit tightly with strand, and " " shape that arranges of the groove that can offer by its lower limb and saddle groove end face or
shape detent projection realizes effectively and connecting, and then can bear larger longitudinal shear power, has solved the saddle of Sarasota and the antiskid problem of main push-towing rope in three tower suspension bridges.
2, the utility model provides, and this for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, its material is mild steel, its surface spray zinc, and its profile is provided with equally distributed m from top to bottom
ithe individual concentric circles wave train, and every train wave all with the intimate laminating of main cable strand, thereby the strand that ensures main push-towing rope can produce evenly on antiskid friction plate, effective lateral compression power, and vertically antiskid friction plate has stronger durability.
3, the utility model provides, and this for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, it is corrugated steel plate, and vertical rigidity is less, and compatibility of deformation is good, is convenient to main cable strand and installs.
What 4, the utility model provided is this for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the antiskid safety that can effectively improve welded type cable saddle, and embodiment is simple, safety, economic good.
What 5, the utility model provided is this for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, be not only applicable to the scheme that main push-towing rope adopts (AS) method that spins to set up in the air, and be applicable to the scheme that main push-towing rope adopts Prefabricated parallel cable strand (PPWS) method to set up, wide adaptability.
Brief description of the drawings
Fig. 1 be the utility model provide for improving the schematic diagram of vertical antiskid friction plate of welded type cable saddle antiskid safety.
Fig. 2 is the schematic diagram that adopts (AS) method scheme of architecture that spins to apply in the air at main push-towing rope for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety that the utility model provides.
Fig. 3 is the schematic diagram that adopts Prefabricated parallel cable strand (PPWS) method scheme of architecture to apply at main push-towing rope for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety that the utility model provides.
Reference numeral:
Vertical antiskid friction plate 1; Strand 2; Side plate 3; Cushion block 4; Saddle groove 5; Groove 6; Detent projection 7.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model provide for improving the vertical antiskid friction plate 1 of welded type cable saddle antiskid safety for the corrugated steel plate of fan-like pattern, this fan-like pattern corrugated steel plate is evenly distributed with multiple concentric circles wave trains from top to bottom, the trend of the wave train is parallel to top edge and the lower limb of this fan-like pattern corrugated steel plate, and in the lower limb of this fan-like pattern corrugated steel plate offer multiple " " shapes or
connected in star 6.
The lower limb of this fan-like pattern corrugated steel plate and the camber line end face of saddle groove 5 fit tightly, and " " shape arranging on the camber line end face of the groove 6 offered of this fan-like pattern corrugated steel plate lower limb and saddle groove 5 or
shape detent projection 7 closely fastens.Therefore, vertical antiskid friction plate 1 not only can be separated the strand 2 of main push-towing rope easily, and " " shape that arranges of the groove 6 that can offer by its lower limb and saddle groove 5 end faces or
shape detent projection 7 realizes effectively and connecting, and then can bear larger longitudinal shear power.
The mild steel that described vertical antiskid friction plate 1 is thick 12mm～20mm, below content≤0.18% of its carbon C; Zinc processing, zinc coating thickness >=0.2mm are sprayed in its surface.
The number of the plurality of concentric circles wave train is m
iindividual, wherein m
ithe radical of the strand 2 of the i row main push-towing rope that the vertical antiskid friction plate 1 of serving as reasons separates.
If when main push-towing rope adopts (AS) method that spins to set up in the air, the strand 2 of main push-towing rope is circular, and each concentric circles wave train of vertical antiskid friction plate 1 is circular arc, and " (" shape, " diameter of (" is identical with the diameter d of strand 2 for circular arc.The wavelength X of each concentric circles wave train is identical with the diameter d of strand 2, wave height
thereby ensure the intimate laminating of the strand 2 of vertical antiskid friction plate 1 and main push-towing rope.The erection sequence of the strand 2 of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.
If when main push-towing rope adopts Prefabricated parallel cable strand (PPWS) method to set up, the strand 2 of main push-towing rope is the horizontally disposed regular hexagon of upper bottom surface, each concentric circles wave train of vertical antiskid friction plate 1 is " < " shape that angle 120 is spent, and the both sides of " < " are identical with the length of side a of regular hexagon strand.The wavelength X of each concentric circles wave train is identical with the high H of regular hexagon strand 2, wave height
thereby ensure the intimate laminating of the strand 2 of vertical antiskid friction plate 1 and main push-towing rope.The erection sequence of the strand 2 of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.
The members such as the saddle groove 5 of described cable saddle, side plate 3, cushion block 4, bear as main member vertical pressure and the lateral pressure that the strand 2 of main push-towing rope transmits.
Above-described specific embodiment, only shows the primary structure structure that vertical antiskid friction plate 1 is relevant.The purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the corrugated steel plate that this vertical antiskid friction plate (1) is fan-like pattern, this fan-like pattern corrugated steel plate is evenly distributed with multiple concentric circles wave trains from top to bottom, the trend of the wave train is parallel to top edge and the lower limb of this fan-like pattern corrugated steel plate, and in the lower limb of this fan-like pattern corrugated steel plate offer multiple " " shapes or "
connected in star (6).
2. according to claim 1 for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, it is characterized in that, the camber line end face of the lower limb of this fan-like pattern corrugated steel plate and saddle groove (5) fits tightly, and " " shape arranging on the camber line end face of the groove (6) offered of this fan-like pattern corrugated steel plate lower limb and saddle groove (5) or "
" shape detent projection (7) closely fastens.
3. according to claim 1ly it is characterized in that for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the mild steel that described vertical antiskid friction plate 1 is thick 12mm～20mm, below content≤0.18% of its carbon C; Zinc processing, zinc coating thickness >=0.2mm are sprayed in its surface.
4. according to claim 1ly it is characterized in that for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the number of the plurality of concentric circles wave train is m
iindividual, wherein m
ithe radical of the strand (2) of the i row main push-towing rope that the vertical antiskid friction plate (1) of serving as reasons separates.
5. according to claim 4 for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, it is characterized in that, if main push-towing rope adopts when the method for spinning is set up in the air, the strand (2) of main push-towing rope is circular, each concentric circles wave train of vertical antiskid friction plate 1 be circular arc " (" shape, " diameter of (" is identical with the diameter d of strand for circular arc; The erection sequence of the strand (2) of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.
6. according to claim 5ly it is characterized in that for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the wavelength X of each concentric circles wave train is identical with the diameter d of strand (2), wave height
thereby ensure the intimate laminating of vertical antiskid friction plate (1) and strand (2).
7. according to claim 4 for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, it is characterized in that, if when main push-towing rope adopts Prefabricated parallel cable strand method to set up, the strand (2) of main push-towing rope is the horizontally disposed regular hexagon of upper bottom surface, each concentric circles wave train of vertical antiskid friction plate (1) is " < " shape that angle 120 is spent, and the both sides of " < " are identical with the length of side a of regular hexagon strand; The erection sequence of the strand (2) of main push-towing rope is to get on, get off, and first after central authorities, bilateral symmetry is installed.
8. according to claim 7ly it is characterized in that for improving the vertical antiskid friction plate of welded type cable saddle antiskid safety, the wavelength X of each concentric circles wave train is identical with the high H of regular hexagon strand, wave height
thereby ensure the intimate laminating of the strand (2) of vertical antiskid friction plate (1) and main push-towing rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068276.9U CN203890880U (en) | 2014-02-17 | 2014-02-17 | Vertical anti-skid friction plate used for improving anti-skid safety of welded type cable saddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068276.9U CN203890880U (en) | 2014-02-17 | 2014-02-17 | Vertical anti-skid friction plate used for improving anti-skid safety of welded type cable saddle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203890880U true CN203890880U (en) | 2014-10-22 |
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ID=51717302
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068276.9U Expired - Fee Related CN203890880U (en) | 2014-02-17 | 2014-02-17 | Vertical anti-skid friction plate used for improving anti-skid safety of welded type cable saddle |
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| CN (1) | CN203890880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850182A (en) * | 2014-02-17 | 2014-06-11 | 中交公路规划设计院有限公司 | Vertical skid-resistant friction plate used for improving skid-resistant safety of welding-type cable saddle |
-
2014
- 2014-02-17 CN CN201420068276.9U patent/CN203890880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850182A (en) * | 2014-02-17 | 2014-06-11 | 中交公路规划设计院有限公司 | Vertical skid-resistant friction plate used for improving skid-resistant safety of welding-type cable saddle |
| CN103850182B (en) * | 2014-02-17 | 2015-09-30 | 中交公路规划设计院有限公司 | A kind of vertical antiskid friction plate for improving welded type cable saddle antiskid safety |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141022 Termination date: 20160217 |