CN204455824U - A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly - Google Patents
A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly Download PDFInfo
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- CN204455824U CN204455824U CN201520098400.0U CN201520098400U CN204455824U CN 204455824 U CN204455824 U CN 204455824U CN 201520098400 U CN201520098400 U CN 201520098400U CN 204455824 U CN204455824 U CN 204455824U
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- line sleeve
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Abstract
The utility model belongs to technical field of bridge engineering, is specifically related to a kind of cable stayed bridge Suo Liang and connects anchor tie plate assembly.It comprises anchor tie plate and drag-line sleeve, described anchor tie plate top has notch, described drag-line sleeve is embedded in notch, described drag-line sleeve top connects on anchor tie plate coils, bottom connects anchor plate, described anchor tie plate coils top and is provided with upper bush, described upper bush is coaxial with described drag-line sleeve, described drag-line sleeve lower end is fixed with bearing plate, described bearing plate and anchor plate keep at a certain distance away and are parallel to anchor plate, outer web is formed outside the top board that the vertical web top of the described steel girder part corresponding with the base of anchor tie plate stretches out steel girder, be connected with outer web top edge bottom described anchor tie plate.The utility model increases the force path of structure by arranging bearing plate, structure stress safety, power transmission is reliable, anti-fatigue performance is superior, can overcome that anchor structure stress is concentrated very well, local distortion, fatigue crack problem.
Description
Technical field
The utility model belongs to technical field of bridge engineering, is specifically related to a kind of cable stayed bridge Suo Liang and connects anchor tie plate assembly.
Background technology
The suspension cable of girder steel cable stayed bridge and girder steel syndeton and cable beam anchoring structure, it is as the structure directly bearing and transmit stay cable force, is the most key and one of the most complicated stressed region of cable stayed bridge.
At present, the cable beam anchoring structure schematic diagram of anchor tie plate class as shown in Figure 1, form primarily of anchor tie plate 1, drag-line sleeve 3 and anchor plate 4, anchoring process between itself and steel girder generally has two kinds of ways, a kind of is directly welded with the top board 10 of steel girder (aliging with vertical web 9 center) by anchor tie plate 1, two is that anchor tie plate 1 passes top board 10, and make it directly be connected with vertical web 9, the Suo Li of these two kinds of way suspension cables is vertical web 9 and the top board 10 of being passed to girder by anchor tie plate 1.But this Suo Li is directly passed to the single mode of transfer force of vertical web by anchor tie plate structure, vertical web and anchor tie plate stressed all comparatively large, all easily there is the problems such as stress is concentrated, local distortion, fatigue crack in the upper fillet place of particularly anchor tie plate and top board weld, anchor tie plate and drag-line sleeve commissure and anchor tie plate perforate.
Utility model content
The purpose of this utility model is exactly the deficiency existed to solve above-mentioned background technology, provides a kind of stressed safety, power transmission is reliable, cable stayed bridge Suo Liang that anti-fatigue performance is superior connects anchor tie plate assembly.
The technical solution adopted in the utility model is: a kind of cable stayed bridge Suo Liang connects anchor tie plate assembly, comprise the anchor tie plate and drag-line sleeve that are arranged on steel girder top, described anchor tie plate top has the wide notch in narrow lower end, upper end, it is inner that described drag-line sleeve upper end is embedded in notch upper end, described drag-line sleeve welded top anchor tie plate coils, bottom welding anchor plate, on described anchor tie plate, dish is parallel with anchor plate and all perpendicular to drag-line sleeve axis, described anchor tie plate is provided with upper bush above dish, described upper bush is coaxial with described drag-line sleeve, it is characterized in that: the position that described drag-line sleeve outer surface is positioned at notch lower end is welded with bearing plate, described bearing plate and anchor plate keep at a certain distance away and are parallel to each other, outer web is formed outside the top board that the vertical web top of the described steel girder part corresponding with the base of anchor tie plate stretches out steel girder, be connected with outer web top edge bottom described anchor tie plate.
Further, the changeover portion between the upper end-face edge of described notch and lower edge comprises two parts, and a part is the straightway connected with notch upper end-face edge, and length of straigh line is 50mm-200mm; Another part is and straightway and the tangent arc section of notch lower edge, and arc section radius is 150mm-300mm.For on minimizing anchor tie plate and drag-line sleeve commissure and anchor tie plate, the stress at the upper fillet place of notch is concentrated, between anchor tie plate and drag-line sleeve, arrange orthodrome and straight transitions, the stress that effectively can improve anchor tie plate is concentrated, and makes connection more reliable.
Further, described drag-line sleeve outer wall is provided with the stiffening rib of multiple tabular, described stiffening rib is perpendicular to drag-line sleeve outer wall, stiffening rib is arranged along direction, drag-line sleeve axis, described multiple stiffening rib is evenly arranged along its circumferencial direction at drag-line sleeve outer wall, and described stiffening rib top and bottom are coiled and bearing plate surface soldered respectively with on anchor tie plate.The structural strength that stiffening rib effectively can strengthen drag-line sleeve is set, makes structure stress safer, longer service life.
Further, described drag-line sleeve outer wall penetration weld is connected on notch inwall.The Suo Li of suspension cable can be delivered on anchor tie plate by drag-line sleeve by this connected mode better, thus realizes the object of Suo Li good communication.
Further, the both sides of the edge profile of the connecting portion of described outer web and anchor tie plate and top board is round and smooth arc-shaped transition curve.By the both sides of the edge grinding homogeneity of the connecting portion at outer web and anchor tie plate and top, form round and smooth arc-shaped transition curve, greatly can reduce the stress mutation phenomenon because attachment weld stress is concentrated and cross section changes, realize the smooth-going transmission of stress.
The utility model is by arranging bearing plate, add the force path of structure, Suo Li passes to sleeve and bearing plate by anchor plate, anchor tie plate is passed to again respectively by anchor tie plate and the melt-through weld between sleeve and bearing plate, bearing plate structure makes Suo Li more even to the transmission of sleeve, disperseed the transmission trace of Suo Li simultaneously, made the safety factor of structure higher, the stress overcoming at present conventional cable beam anchoring structure has very well been concentrated, local stress and the excessive problem even transfinited of Fatigue Stress Amplitude.
The stressed safety of the utility model, power transmission is reliable, anti-fatigue performance is superior, can overcome suspension cable anchor structure and steel girder very well and indulge all larger problem of the local distortion of web, dead-load stress and Fatigue Stress Amplitude; Structure is comparatively succinct simultaneously, and plate quantity and rolled steel dosage are all less, economical; Structure manufacture assembling is convenient, manufactures welding condition better, manufactures welding quality and is easy to ensure, can be widely used in steel girder cable stayed bridge, particularly the heavily loaded steel girder cable stayed bridge of current railroad train or highway vehicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is front view of the present utility model.
Fig. 4 is the connection diagram of the utility model drag-line sleeve and bearing plate, anchor plate.
Fig. 5 is the lateral view that the utility model drag-line sleeve is connected with bearing plate.
Fig. 6 is drag-line sleeve of the present utility model is connected root schematic diagram with anchor tie plate.
In figure: 1-anchor tie plate; 2-notch; 3-drag-line sleeve; 4-anchor plate; 5-bearing plate; 6-anchor tie plate coils; 7-upper bush; 8-stiffening rib; 9-indulges web; 10-top board; The outer web of 11-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form restriction to the utility model.
As shown in figures 2-6, anchor tie plate assembly of the present utility model comprises the anchor tie plate 1 and drag-line sleeve 3 that are arranged on steel girder top, described anchor tie plate 1 top has the wide notch 2 in narrow lower end, upper end, it is inner that described drag-line sleeve 3 upper end is embedded in notch 2 upper end, dish 6, bottom welding anchor plate 4 on described drag-line sleeve 3 welded top anchor tie plate, described anchor tie plate coil 6 parallel with anchor plate 4 and all perpendicular to the axis of drag-line sleeve 3, described anchor tie plate coils 6 tops and be provided with upper bush 7, described upper bush 7 is coaxial with described drag-line sleeve 3.Drag-line sleeve 3 lower external face is welded with bearing plate 5, bearing plate 5 is positioned at wider position, notch 2 lower end, described bearing plate 5 keeps at a certain distance away with anchor plate 6 and is parallel to each other, outer web 11 is formed outside the top board that vertical web 9 top of the described steel girder part corresponding with the base of anchor tie plate 1 stretches out steel girder, be connected with outer web 11 top edge bottom described anchor tie plate 3, the both sides of the edge profile 12 of the connecting portion of outer web 11 and anchor tie plate 3 and top board 10 is round and smooth arc-shaped transition curve.
In technique scheme, drag-line sleeve 3 is embedded in the notch 2 of anchor tie plate 1, its by melt-through weld mode and anchor tie plate 1 soldered, bearing plate 4 has been set up between anchor plate 4 and drag-line sleeve 1, bearing plate 5 parallel and at a distance of anchor plate 4 upper surface suitably distance arrange, bearing plate 5 and drag-line sleeve 3, anchor tie plate 1 full penetration are soldered.Now, stay cable force is transmitted by two kinds of approach or mode and is disperseed: one is, by the melt-through weld between drag-line sleeve 3 and anchor tie plate 1, a part of Suo Li is passed to anchor tie plate 1, and two is that melt-through weld between bearing plate 5 by setting up and drag-line sleeve 3, anchor tie plate 1 is with the transmission of curved pressure stress form.Define multiple mode of transfer force, and non-traditional anchor tie plate structure is by means of only the power transmission of melt-through weld between drag-line sleeve and anchor tie plate, the carrying of drag-line sleeve 3, anchor tie plate 1 can be reduced like this, particularly significantly reduce stress level and the Fatigue Stress Amplitude of anchor tie plate 1 and notch changeover portion on drag-line sleeve 3 welding position, anchor tie plate 1, thus significantly improve the stressed safety of whole cable beam anchoring structure, power transmission reliability and anti-fatigue performance.
In technique scheme, concentrate with the stress at changeover portion 2.3 place of notch 2 on drag-line sleeve 3 commissure and anchor tie plate 1 for reducing anchor tie plate 1, between anchor tie plate 1 and drag-line sleeve 3, be provided with orthodrome and straight transitions, the stress that effectively can improve anchor tie plate is concentrated, and makes connection more reliable.Concrete as shown in Figure 6: the changeover portion 2.3 between the upper end-face edge 2.1 of notch 2 and lower edge 2.2 comprise two parts, a part is the straightway 2.4 that connects with notch upper end-face edge 2.1, and another part is and straightway 2.4 and the tangent arc section 2.5 of notch lower edge 2.2.The parameter such as width, length by adjusting changeover portion 2.3 adjusts the power transmission of stay cable force weld seam between drag-line sleeve 3 and anchor tie plate 1, the allocation proportion of bearing plate 5 pressure-bearing power transmission, thus makes the local distortion of each plate, dead-load stress and Fatigue Stress Amplitude be in reasonable level.Comparative studies shows as calculated, and straightway 2.4 length L range of choices is 50mm-200mm, and arc section 2.5 radius R range of choices is 150mm-300mm, specifically most reasonable value, determines according to most hawser power (width) level of the suspension cable of Practical Project.
In technique scheme, for ensureing the structural strength of drag-line sleeve 3, the stiffening rib 8 of multiple tabular is provided with at drag-line sleeve 3 outer wall, described stiffening rib 8 is perpendicular to drag-line sleeve 3 outer wall and arrange along direction, drag-line sleeve 3 axis, described multiple stiffening rib 8 is evenly arranged along drag-line sleeve 3 outer wall, described stiffening rib 8 top and bottom respectively with anchor tie plate coils 6 and bearing plate 5 surface be connected, the structural strength that stiffening rib 8 effectively can strengthen drag-line sleeve 3 is set, make structure stress safer, longer service life.
Traditional anchor tie plate is the form of structure of " elongated ", lack enough structural redundancy, and the utility model strengthens anchor tie plate width, as shown in Figure 3, anchor tie plate is divided into two sections along the inside edge 1.1 of drag-line sleeve 3 incline direction, γ 1 angle between epimere 1.2 and drag-line sleeve 3 axis is 0 °-45 °, and the angle γ 3 between epimere 1.2 and hypomere 1.3 is 145 °-180 °; Anchor tie plate is divided into two sections along the outer ledge 1.4 of drag-line sleeve 3 incline direction, and the angle γ 2 between epimere 1.5 and drag-line sleeve 3 axis is 0 °-45 °, and the angle γ 4 between epimere 1.5 and hypomere 1.6 is 145 °-180 °.Strengthened by adjustment both sides of the edge angle and be connected width with web, thus increase lifting surface area, make stressed more reliable, compactly Suo Li can be delivered to total cross-section, avoid occurring that much stress is concentrated.
The content be not described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a cable stayed bridge Suo Liang connects anchor tie plate assembly, comprise the anchor tie plate (1) and drag-line sleeve (3) that are arranged on steel girder top, described anchor tie plate (1) top has the wide notch (2) in narrow lower end, upper end, it is inner that described drag-line sleeve (3) upper end is embedded in notch upper end, described drag-line sleeve (3) welded top anchor tie plate coils (6), bottom welding anchor plate (4), described anchor tie plate coils (6) parallel with anchor plate (4) and all perpendicular to drag-line sleeve axis, described anchor tie plate is provided with upper bush (7) above dish, described upper bush (7) is coaxial with described drag-line sleeve (3), it is characterized in that: the position that described drag-line sleeve (3) external surface is positioned at notch lower end is welded with bearing plate (5), described bearing plate (5) and anchor plate (4) keep at a certain distance away and are parallel to each other, outer web (11) is formed outside the top board that vertical web (9) top of the described steel girder part corresponding with the base of anchor tie plate stretches out steel girder, described anchor tie plate (1) bottom is connected with outer web (11) top edge.
2. a kind of cable stayed bridge Suo Liang according to claim 1 connects anchor tie plate assembly, it is characterized in that: the changeover portion (2.3) between the upper end-face edge (2.1) of described notch (2) and lower edge (2.2) comprises two parts, the straightway (2.4) of a part for connecting with notch upper end-face edge, straightway (2.4) length is 50mm-200mm; Another part is and straightway and the tangent arc section (2.5) of notch lower edge, and arc section (2.5) radius is 150mm-300mm.
3. a kind of cable stayed bridge Suo Liang according to claim 1 connects anchor tie plate assembly, it is characterized in that: described drag-line sleeve (3) outer wall is provided with the stiffening rib (8) of multiple tabular, described stiffening rib (8) is perpendicular to drag-line sleeve (3) outer wall, stiffening rib (8) is arranged along direction, drag-line sleeve axis, described multiple stiffening rib (8) is evenly arranged along its circumferencial direction at drag-line sleeve (3) outer wall, and (6) and bearing plate (5) surface soldered are coiled respectively with on anchor tie plate in described stiffening rib (8) top and bottom.
4. a kind of cable stayed bridge Suo Liang according to claim 1 connects anchor tie plate assembly, it is characterized in that: described drag-line sleeve (3) outer wall penetration weld is connected on the inwall of notch (2) upper end.
5. a kind of cable stayed bridge Suo Liang according to claim 1 connects anchor tie plate assembly, it is characterized in that: the both sides of the edge profile (12) of the connecting portion of described outer web (11) and anchor tie plate (1) and top board (10) is round and smooth arc-shaped transition curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098400.0U CN204455824U (en) | 2015-02-11 | 2015-02-11 | A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098400.0U CN204455824U (en) | 2015-02-11 | 2015-02-11 | A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly |
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| CN204455824U true CN204455824U (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411716A (en) * | 2018-04-03 | 2018-08-17 | 中铁第四勘察设计院集团有限公司 | A kind of simple oblique pull large span suspension type monorail system |
| CN108505427A (en) * | 2018-04-03 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of anchor and the oblique pull suspension type monorail using the anchor |
| CN110485253A (en) * | 2019-07-26 | 2019-11-22 | 中铁大桥勘测设计院集团有限公司 | A kind of anchor and installation method of commensurate structure vertical shift |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
-
2015
- 2015-02-11 CN CN201520098400.0U patent/CN204455824U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411716A (en) * | 2018-04-03 | 2018-08-17 | 中铁第四勘察设计院集团有限公司 | A kind of simple oblique pull large span suspension type monorail system |
| CN108505427A (en) * | 2018-04-03 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of anchor and the oblique pull suspension type monorail using the anchor |
| CN110485253A (en) * | 2019-07-26 | 2019-11-22 | 中铁大桥勘测设计院集团有限公司 | A kind of anchor and installation method of commensurate structure vertical shift |
| WO2021017581A1 (en) * | 2019-07-26 | 2021-02-04 | 中铁大桥勘测设计院集团有限公司 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
| CN114250715B (en) * | 2022-02-15 | 2024-04-26 | 中铁二局集团有限公司 | Positioning method and positioning device for space special-shaped steel arch bridge inhaul cable |
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