CN102776984B - Adjustable fixing device for cable structure - Google Patents
Adjustable fixing device for cable structure Download PDFInfo
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- CN102776984B CN102776984B CN201210284495.6A CN201210284495A CN102776984B CN 102776984 B CN102776984 B CN 102776984B CN 201210284495 A CN201210284495 A CN 201210284495A CN 102776984 B CN102776984 B CN 102776984B
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Abstract
The invention discloses an adjustable fixing device for a cable structure, comprising a cable head fixedly connected with a stay cable, wherein the outer end of the cable head is provided with a threaded connecting part, and an adjusting nut is arranged on the threaded connecting part. The adjustable fixing device also comprises two lug plates fixedly connected with an object to be fixed and a plate cross beam passing through the two lugs, wherein the middle part of the plate cross beam is provided with a central hole through which the threaded connecting part can pass, arc convex parts in press contact with the two lugs are arranged at the two sides of the plate cross beam, each lug plate is provided with a through groove through which the plate cross beam passes, and the side wall of each through groove is provided with an arc concave part in which the corresponding raised part is embedded. According to the adjustable fixing device, the traditional adjusting mechanism for the stay cable is moved to a fixed end, to form into an integrated adjusting end structure, so that the stay cable structure is optimized, the raw material cost and production cost are greatly reduced, and the attractive appearance is ensured; moreover, each lug is designed to be a structure which can be rapidly assembled with and disassembled from a tensioning mechanism; and the adjustable fixing device is compact in structure, easy to operate and adjust and can be vigorously applied to various stay cable structure constructions, particularly to large-diameter stay cable structures.
Description
Technical field
The present invention relates to a kind of fastening devices for stayed structure, more particularly refer to a kind of compact conformation and be conducive to the adjustable fixer that is pulled and regulates.
Background technology
In prior art, when mounted, one end is fixed end to Cable Structure system, and one end is stretching end, and Cable Structure all will have certain prestressing force when mounted, has mostly adopted telescopic adjuster.As shown in Figure 1 to Figure 2.The stainless steel cable prestressing force of for example Φ 60, more than 70 tons, uses pulling force more than 100 tons, therefore, the external diameter of governor with sleeve reaches Φ 160mm left and right, more than length reaches 500mm, in the time being subject to wind load, swing back and forth, add the weight of rope head, screw rod, quality is large, inertia is large, and cable system is produced to impact force, also not attractive in appearance, for large-scale Cable Structure, its cost is also higher.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of adjustable fixer for Cable Structure is provided.
For achieving the above object, the present invention is by the following technical solutions:
For the adjustable fixer of Cable Structure, comprise the rope head being fixedly connected with one end of drag-line, the outer end of described rope head is provided with thread connection portion, and described thread connection portion is provided with adjusting nut; Also comprise two otic placodes that are fixedly connected with fixture, and be arranged in the dull and stereotyped crossbeam between two otic placodes; The centre of described dull and stereotyped crossbeam is provided with for the centre bore through thread connection portion, and both sides are provided with the circular arc protuberance with two otic placode pressure contacts; Described otic placode is provided with for the groove through dull and stereotyped crossbeam, and the sidewall of groove is provided with the circular arc recess for embedding circular arc protuberance.
Its further technical scheme is: described dull and stereotyped crossbeam is weldment, comprises square dull and stereotyped body, and with two semicircle cylindricality cushion blocks with the welding of dull and stereotyped body.
Its further technical scheme is: the outer end of described adjusting nut is also provided with the locking nut connecting with thread connection portion.
Its further technical scheme is: also comprise stretch-draw mechanism, the inner of described rope head is provided with convex shoulder, another sidewall of the groove of described otic placode is provided with connection slot, described stretch-draw mechanism comprises and the clamping plate of the convex shoulder pressure contact of rope head the inner, the hooked scarf connecting with connection slot, and be connected in the pull bar between clamping plate and hooked scarf, on described pull bar, be also arranged with stretch-draw assistor.
Its further technical scheme is: described stretch-draw assistor is jack.
Its further technical scheme is: described hooked scarf is embedded in connection slot, and one end is only butted on dull and stereotyped crossbeam, also comprises the baffle plate that is provided with connection slot inner side, and described baffle plate is fixedly connected by the screw and the hooked scarf that are provided with; On described hooked scarf, be also provided with the screwed hole connecting with pull bar.
Its further technical scheme is: the outer ledge of described hooked scarf is provided with right angle trough rim, and described right angle trough rim is provided with for the through hole through described screw.
Its further technical scheme is: described clamping plate are split-type structural, comprise left clamping plate, right clamping plate, and for the bridge screw of be fixedly connected left clamping plate and right clamping plate, on described left clamping plate, right clamping plate, be also provided with for the center semi arch through drag-line with for two pull bar semi arches through pull bar.
Its further technical scheme is: described adjusting nut is round nut, and its cylindrical is provided with several radial blind holes for rotating.
Its further technical scheme is: described locking nut is round nut, and its cylindrical is provided with several radial blind holes for rotating.
The present invention's beneficial effect is compared with prior art: the governor motion of traditional drag-line is moved to fixed end by the present invention, become the adjustable side structure of integral type, discarded traditional sleeve type regulating mechanism has been optimized drag-line adjustable side mechanism, can save a large amount of costs of raw material and cost of production, and appearance looks elegant.And by its otic placode be designed to can with the structure of stretch-draw mechanism quickly dismantled, compact conformation, easily operation regulates, stretch-draw mechanism is wherein after carrying out tensioning by drag-line, can remove recycling, can widely popularize in all kinds of drag-line class formation engineerings especially large diameter stayed structure.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Brief description of the drawings
Fig. 1 is Cable Structure of the prior art and governor motion schematic diagram thereof;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the schematic diagram (comprising the two ends of Cable Structure) that adopts the Cable Structure of the present invention's installation;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the stereogram (not end-state including stretch-draw mechanism) of the present invention for the adjustable fixer specific embodiment of Cable Structure;
Fig. 6 is sectional drawing embodiment illustrated in fig. 5;
Fig. 7 is the stretch-draw including stretch-draw mechanism and adjustment state sectional drawing embodiment illustrated in fig. 5;
Fig. 8 is the lateral plan of earphone embodiment illustrated in fig. 5;
Fig. 9 is the top view of the dull and stereotyped crossbeam of welded type embodiment illustrated in fig. 5;
Figure 10 is the A-A sectional view of Fig. 9;
Figure 11 is the front view of clamping plate embodiment illustrated in fig. 5;
Figure 12 is the top view of Figure 11;
Figure 13 is the plan view of hooked scarf embodiment illustrated in fig. 5;
Figure 14 is the left view of Figure 13;
Figure 15 is the top view of Figure 13.
Description of reference numerals
10 rope head 11 thread connection portions
12 adjusting nut 121 radial blind holes
13 locking nut 14 convex shoulders
20 steel work 21 otic placodes
210 groove 211 circular arc recesses
The dull and stereotyped crossbeam of 212 connection slot 22
The dull and stereotyped body 22B of 22A semicircle cylindricality cushion block
221 centre bore 222 circular arc protuberances
30 stretch-draw mechanism 31 clamping plate
The right clamping plate of the left clamping plate 31B of 31A
311 bridge screw 312 center semi arches
313 pull bar semi arch 32 hooked scarfs
321 screwed hole 322 right angle trough rims
323 through hole 33 pull bars
34 jack 35 baffle plates
36 screw A drag-lines
Detailed description of the invention
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention is further introduced and explanation, but be not limited to this.
As shown in Fig. 3 to Figure 15, the present invention is for the adjustable fixer of Cable Structure, comprise the rope head 10 being fixedly connected with one end of drag-line A, the outer end of rope head 10 is provided with the 11(of thread connection portion, and whole rope head is looked is the equal of just a screw rod), thread connection portion 11 is provided with adjusting nut 12; Also comprise two otic placodes 21 that are fixedly connected with fixture (being steel work 20 in the present embodiment), and be arranged in the dull and stereotyped crossbeam 22 between two otic placodes 21; The centre of dull and stereotyped crossbeam 22 is provided with for the centre bore 221 through thread connection portion 11, and both sides are provided with the circular arc protuberance 222 with two otic placode 21 pressure contacts; Otic placode 21 is provided with for the groove 210 through dull and stereotyped crossbeam 22, and the sidewall of groove 210 is provided with the circular arc recess 211 for embedding circular arc protuberance 222.
Wherein, thread connection portion 11 and adjusting nut 12 are realized the adjusting of drag-line.And drag-line in use, two fixed end need to have low-angle deflection.In the present invention, by coordinating of circular arc protuberance 222 and circular arc recess 211 providing low-angle deflection (being equivalent to otic placode in traditional structure and the hinge-coupled effect of bearing pin) for drag-line, therefore, the width of groove must be greater than the width of dull and stereotyped crossbeam, and has and be enough to allow drag-line produce the space of required deflection angle.Meanwhile, the height of circular arc protuberance is greater than the degree of depth of circular arc recess, can allow drag-line produce required deflection angle.In the present embodiment, the height of circular arc protuberance is 43mm, and the degree of depth of circular arc recess is 33mm, has the height space of 10mm between the two, and during for drag-line deflection, dull and stereotyped crossbeam has enough deflection angles.
In the present embodiment, dull and stereotyped crossbeam 22 is weldment, comprises square dull and stereotyped body 22A, and forms the part of circular arc protuberance with two with the semicircle cylindricality cushion block 22B(of dull and stereotyped body 22A welding).Its objective is in order to save cost, dull and stereotyped body 22A is carbon steel (has enough intensity and cost low), and semicircle cylindricality cushion block 22B(cost is high but have good antirust function).For saving the cost of raw material, semicircle cylindricality cushion block adopts the cylinder of a diameter of phi 90 to be cut into two.
The outer end of adjusting nut 12 is also provided with the locking nut 13 connecting with thread connection portion 11.The inner of rope head 10 is provided with convex shoulder 14, groove 210 another sidewalls of otic placode 21 are provided with connection slot 212, also comprise stretch-draw mechanism 30, stretch-draw mechanism 30 comprises the hooked scarf 32 connecting with the clamping plate 31 of convex shoulder 14 pressure contacts, with connection slot 212, and be connected in the pull bar 33 between clamping plate 31 and hooked scarf 32, on pull bar 33, be also arranged with the one of jack 34(adjuster).Jack is commercially available hollow hydraulic jack.
Hooked scarf 32 is embedded in connection slot 212, and one end is only butted on dull and stereotyped crossbeam, also comprises the baffle plate 35 that is provided with connection slot 212 inner sides, and baffle plate 35 is fixedly connected with hooked scarf 32 by the screw 36 being provided with; On hooked scarf 32, be also provided with the screwed hole 321 connecting with pull bar 33.Wherein, baffle plate be provided with for the tapped through hole of screw 36 thread connection.
In order to optimize the structure of hooked scarf, the outer ledge of hooked scarf 32 is provided with right angle trough rim 322, and right angle trough rim 322 is provided with for the through hole 323 through screw 36.Such structure can shorten the length of screw 36.
Clamping plate 31 are split-type structural, comprise left clamping plate 31A, right clamping plate 31B, and for the bridge screw 311 of be fixedly connected left clamping plate 31A and right clamping plate 31B, on left clamping plate 31A, right clamping plate 31B, be also provided with for the center semi arch 312 through drag-line A with for two pull bar semi arches 313 through pull bar.
In order to dwindle structure, adjusting nut 12 is preferably round nut, and its cylindrical is provided with several radial blind holes 121 for rotating.Locking nut 13 is also preferably round nut, and its cylindrical is provided with several radial blind holes (not shown)s for rotating.Radial blind holes is pulled thick stick for inserting cylinder, tightens adjusting nut and locking nut.Pull bar wherein can adopt bolt assembly.
The work progress of the present embodiment is: 1. dress fixed structure: first dull and stereotyped crossbeam is assembled on two otic placodes 21, again otic placode 21 is welded on steel work 20, and the centre bore 221 of dull and stereotyped crossbeam 22 is passed in the thread connection portion of the rope head 10 of drag-line A 11, then adjusting nut 12 is screwed into thread connection portion 11; 2. dress stretch-draw mechanism: two hooked scarfs 32 are fixed on respectively to the outer side edges of the connection slot 212 of otic placode 21 by two screws 36, a side of hooked scarf 32 must only be butted on the side of dull and stereotyped crossbeam 22; Again left clamping plate 31A, right clamping plate 31B be fixedly connected by bridge screw 311 and drag-line A is folded in wherein, and being only butted on the convex shoulder 14 of rope head 10; Again two pull bars 33 are passed respectively to jack 34, then through clamping plate 31, connect with the hooked scarf 32 in two otic placode 21 outsides respectively; 3. stretch-draw and adjusting: two jack 34 regulate simultaneously, can adopt and be with manometric jack, by stretching force regulate, then adjusting nut 12 is screwed; 4. remove stretch-draw mechanism: jack 34 is unclamped, one by one each parts of stretch-draw mechanism 30 are removed, then reached locking object after locking nut 13 is tightened.
In other embodiment, dull and stereotyped crossbeam also can adopt integrally formed structure; Being fixedly connected of otic placode and fixture also can adopt bolt connection mode.
In sum, the governor motion of traditional drag-line is moved to fixed end by the present invention, becomes the adjustable side structure of integral type, optimized stayed structure, can save a large amount of costs of raw material and cost of production, and appearance looks elegant.And by its otic placode be designed to can with the structure of stretch-draw mechanism quickly dismantled, compact conformation, easily operation regulates, stretch-draw mechanism is wherein after carrying out tensioning by drag-line, can remove recycling, can widely popularize in all kinds of drag-line class formation engineerings especially large diameter stayed structure.
Above-mentionedly only further illustrate technology contents of the present invention with embodiment, so that reader is easier to understand, but do not represent that embodiments of the present invention only limit to this, any technology of doing according to the present invention is extended or recreation, is all subject to protection of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. for the adjustable fixer of Cable Structure, comprise the rope head being fixedly connected with one end of drag-line, the outer end of described rope head is provided with thread connection portion, and described thread connection portion is provided with adjusting nut; Characterized by further comprising two otic placodes that are fixedly connected with fixture, and be arranged in the dull and stereotyped crossbeam between two otic placodes; The centre of described dull and stereotyped crossbeam is provided with for the centre bore through thread connection portion, and both sides are provided with the circular arc protuberance with two otic placode pressure contacts; Described otic placode is provided with the groove passing for dull and stereotyped crossbeam, and the sidewall of groove is provided with the circular arc recess for embedding circular arc protuberance.
2. the adjustable fixer for Cable Structure according to claim 1, is characterized in that described dull and stereotyped crossbeam is weldment, comprises square dull and stereotyped body, and two semicircle cylindricality cushion blocks that weld with dull and stereotyped body.
3. the adjustable fixer for Cable Structure according to claim 1, is characterized in that the outer end of described adjusting nut is also provided with the locking nut connecting with thread connection portion.
4. the adjustable fixer for Cable Structure according to claim 1, characterized by further comprising stretch-draw mechanism, the inner of described rope head is provided with convex shoulder, another sidewall of the groove of described otic placode is provided with connection slot, described stretch-draw mechanism comprises and the clamping plate of the convex shoulder pressure contact of rope head the inner, the hooked scarf connecting with connection slot, and be connected in the pull bar between clamping plate and hooked scarf, on described pull bar, be also arranged with stretch-draw assistor.
5. the adjustable fixer for Cable Structure according to claim 4, is characterized in that described stretch-draw assistor is jack.
6. the adjustable fixer for Cable Structure according to claim 4, it is characterized in that described hooked scarf is embedded in connection slot, hooked scarf one end face is only butted on dull and stereotyped crossbeam, also comprises the baffle plate of being located at connection slot inner side, and described baffle plate is fixedly connected by the screw and the hooked scarf that are provided with; On described hooked scarf, be also provided with the screwed hole connecting with pull bar.
7. the adjustable fixer for Cable Structure according to claim 6, is characterized in that the outer ledge of described hooked scarf is provided with right angle trough rim, and described right angle trough rim is provided with for the through hole through described screw.
8. the adjustable fixer for Cable Structure according to claim 4, it is characterized in that described clamping plate are split-type structural, comprise left clamping plate, right clamping plate, and for the bridge screw of be fixedly connected left clamping plate and right clamping plate, on described left clamping plate, right clamping plate, be also provided with for the center semi arch through drag-line with for two pull bar semi arches through pull bar.
9. the adjustable fixer for Cable Structure according to claim 1, is characterized in that described adjusting nut is round nut, and its cylindrical is provided with several radial blind holes for rotating.
10. the adjustable fixer for Cable Structure according to claim 3, is characterized in that described locking nut is round nut, and its cylindrical is provided with several radial blind holes for rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284495.6A CN102776984B (en) | 2012-08-10 | 2012-08-10 | Adjustable fixing device for cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284495.6A CN102776984B (en) | 2012-08-10 | 2012-08-10 | Adjustable fixing device for cable structure |
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| Publication Number | Publication Date |
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| CN102776984A CN102776984A (en) | 2012-11-14 |
| CN102776984B true CN102776984B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210284495.6A Active CN102776984B (en) | 2012-08-10 | 2012-08-10 | Adjustable fixing device for cable structure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669731B (en) * | 2013-12-23 | 2016-08-17 | 太原重工股份有限公司 | A kind of mounting structure of prestressing force connector |
| CN112012556B (en) * | 2019-05-31 | 2022-11-29 | 北京金风科创风电设备有限公司 | Connecting assembly for stay cable, stay cable ground anchor, construction method and stay cable type tower barrel |
| CN110258805A (en) * | 2019-06-27 | 2019-09-20 | 厦门立格钢构技术有限公司 | The adaptive pull rod plate converting system of angle |
| CN113931455A (en) * | 2021-09-30 | 2022-01-14 | 中冶(上海)钢结构科技有限公司 | Cable tensioning method based on novel fixed end facility |
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| KR100766228B1 (en) * | 2006-11-09 | 2007-10-10 | 케이블텍 주식회사 | Tension device of a cable support itself and cable tension method thereof |
| CN200992686Y (en) * | 2006-12-31 | 2007-12-19 | 巨力集团有限公司 | Dual-screw regulating hot-cast anchor cable |
| CN101349039A (en) * | 2007-07-21 | 2009-01-21 | 柳州欧维姆机械股份有限公司 | Suspension cable of space cable rope structure |
| CN201358591Y (en) * | 2009-01-22 | 2009-12-09 | 华东建筑设计研究院有限公司 | Stretchable anchorage device with real-time force measuring function of steel guy rope |
| CN201635015U (en) * | 2010-03-16 | 2010-11-17 | 中交二航局第二工程有限公司 | Adjustable guy rope |
| CN202745272U (en) * | 2012-08-10 | 2013-02-20 | 深圳市三鑫幕墙工程有限公司 | Adjustable fixing device for cable structure |
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2012
- 2012-08-10 CN CN201210284495.6A patent/CN102776984B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100766228B1 (en) * | 2006-11-09 | 2007-10-10 | 케이블텍 주식회사 | Tension device of a cable support itself and cable tension method thereof |
| CN200992686Y (en) * | 2006-12-31 | 2007-12-19 | 巨力集团有限公司 | Dual-screw regulating hot-cast anchor cable |
| CN101349039A (en) * | 2007-07-21 | 2009-01-21 | 柳州欧维姆机械股份有限公司 | Suspension cable of space cable rope structure |
| CN201358591Y (en) * | 2009-01-22 | 2009-12-09 | 华东建筑设计研究院有限公司 | Stretchable anchorage device with real-time force measuring function of steel guy rope |
| CN201635015U (en) * | 2010-03-16 | 2010-11-17 | 中交二航局第二工程有限公司 | Adjustable guy rope |
| CN202745272U (en) * | 2012-08-10 | 2013-02-20 | 深圳市三鑫幕墙工程有限公司 | Adjustable fixing device for cable structure |
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| CN102776984A (en) | 2012-11-14 |
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