CN102888997A - Device for inhaul cable tensioning construction in prestressed steel structure - Google Patents
Device for inhaul cable tensioning construction in prestressed steel structure Download PDFInfo
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- CN102888997A CN102888997A CN2012104300311A CN201210430031A CN102888997A CN 102888997 A CN102888997 A CN 102888997A CN 2012104300311 A CN2012104300311 A CN 2012104300311A CN 201210430031 A CN201210430031 A CN 201210430031A CN 102888997 A CN102888997 A CN 102888997A
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Abstract
The invention relates to a device for inhaul cable tensioning construction in a prestressed steel structure. The device comprises a tensioning steel plate, wherein a first through hole is formed in the middle of the tensioning steel plate; a second through hole which is symmetrical to the upper and lower parts of the first through hole is formed on the tensioning steel plate; a connecting member penetrates through the second through hole; the left end of the connecting member is connected with tensioning equipment; the right end of the connecting member is connected with a tensioning transfer steel plate; and the tensioning transfer steel plate is connected with U-shaped iron. The device for inhaul cable tensioning construction in the prestressed steel structure has the beneficial effects that the device is simple in structure, easy to assemble and detach and convenient to repair; the tension is easily controlled, and the requirement of analyzing the construction process is met; the device is low in cost and can be repeatedly recycled; the parts are conveniently replaced when being damaged; and moreover, each part of realizing the device is named and functionally blocked, so that the production of the device is systemized.
Description
Technical field
The present invention relates to be used in a kind of prestressed steel structure the device of stretch-draw drag-line construction.
Background technology
Drag-line refers to be bound in lifting appliance and by the stressed instrument between the lifting object in order to realize that object is moved, and for the primary structure member of firm space structures.Rigging mainly contains metal rigging and synthetic fibers rigging two large classes.The metal rigging mainly contains: wire rope sling class, chain hoist cable class, shackle class, suspension hook class, hang (folder) pincers class, magnetic hoist class etc.The synthetic fibers rigging mainly contains: the rope class take polyamide fibre, polypropylene fibre, terylene, high-strength high-modulus polyethylene fiber as manufacture of materials and band class rigging.Rigging is widely used in the important industries such as harbour, electric power, iron and steel, shipbuilding, petrochemical industry, mine, railway, building, chemical metallurgy, automobile making, engineering machinery, papermaking equipment, Industry Control, logistics, large part transportation, pipeline additionally arrange, marine salvage, ocean engineering, airport construction, bridge, Aeronautics and Astronautics, venue.Present device for cable body stretch-draw is according to concrete project situation and designs separately, and complex structure is without the comprehensive solution of system.
Summary of the invention
The purpose of this invention is to provide in a kind of prestressed steel structure the device that is used for the construction of stretch-draw drag-line, be independent design to overcome the device for cable body stretch-draw that present prior art exists, complex structure is without the above-mentioned deficiency of the comprehensive solution of system.
The objective of the invention is to be achieved through the following technical solutions:
The device that is used for the construction of stretch-draw drag-line in a kind of prestressed steel structure, comprise the stretch-draw steel plate, be provided with between two parties through hole one on the described stretch-draw steel plate, the place, above and below that is positioned at through hole one on the stretch-draw steel plate is arranged with through hole two, be equipped with connecting elements in the through hole two, the left end of connecting elements is connected with tensioning equipment, and the right-hand member of connecting elements is connected with stretch-draw conversion steel plate, and stretch-draw conversion steel plate is connected with U-shaped iron.
Further, be provided with between two parties fixing hole on the described stretch-draw conversion steel plate, described connecting elements is arranged in the fixing hole, and the right-hand member of connecting elements is fixed on the stretch-draw conversion steel plate by ground tackle; Described stretch-draw conversion steel plate is respectively equipped with through hole three in the above and below that is positioned at fixing hole, and the plug of described U-shaped iron is arranged in the corresponding through hole three, and the left end of plug is fixed in U-iron by nut.
Further, described stretch-draw steel plate comprises two curved plates, the top and bottom of curved plate are respectively equipped with through hole four, the curved plate middle inside is provided with semi-circular groove one, the place, top and bottom that the curved plate inboard is positioned at semi-circular groove one is provided with respectively semi-circular groove two, and described two curved plates connect by the cooperation of through hole four, screw rod and bolt.Described through hole one is connected by two semi-circular grooves one and forms, and described through hole two is connected by two semi-circular grooves two and forms.
Preferably, described tensioning equipment is centre-hole jack.The member with stretch-draw effect of described connecting elements for matching with jack; Described connecting elements is steel strand or reinforcing pull rod.
Beneficial effect of the present invention is: simple structure, be easy to assembly and disassembly, and it is convenient to repair; Be easy to control the stretching force size, satisfy the requirement to Construction Course Analysis; Cost is lower, can repeatedly recycle; It is convenient to replace during parts damages; By each parts name and the function piecemeal to implement device, thereby realize the systematization that this device is produced.
Description of drawings
The below is described in further detail the present invention with reference to the accompanying drawings.
Fig. 1 is the structural representation one that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 2 is the structural representation two that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 3 is the structural representation of U-shaped iron that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 4 is the structural representation of stretch-draw conversion steel plate that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 5 is the structural representation of stretch-draw steel plate that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 6 is the structural representation one of stretch-draw steel plate that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 7 is the structural representation two of stretch-draw steel plate that is used for the device of stretch-draw drag-line construction in the described prestressed steel structure of the embodiment of the invention;
Fig. 8 is used for the use of device of stretch-draw drag-line construction with reference to figure one in the described prestressed steel structure of the embodiment of the invention;
Fig. 9 is used for the use of device of stretch-draw drag-line construction with reference to figure two in the described prestressed steel structure of the embodiment of the invention;
Figure 10 is the structural representation of tightening the collar among Fig. 9;
Figure 11 is the sectional view of tightening the collar among Fig. 9.
Among the figure:
1, U-shaped iron; 2, stretch-draw conversion steel plate; 3, connecting elements; 4, stretch-draw steel plate; 5, tighten the collar; 6, tensioning equipment; 7, through hole one; 8, through hole two; 9, guy cable length adjustable side; 10, fixing hole; 11, through hole three; 12, plug; 13, through hole four; 14, curved plate.
The specific embodiment
Shown in Fig. 1-6, the device that is used for the construction of stretch-draw drag-line in the described a kind of prestressed steel structure of the embodiment of the invention, comprise stretch-draw steel plate 4, be provided with between two parties through hole 1 on the described stretch-draw steel plate 4, the place, above and below that is positioned at through hole 1 on the stretch-draw steel plate 4 is arranged with through hole 28, is equipped with connecting elements 3 in the through hole 28, and the left end of connecting elements 3 is connected with tensioning equipment 6, the right-hand member of connecting elements 3 is connected with stretch-draw conversion steel plate 2, and stretch-draw conversion steel plate 2 is connected with U-shaped iron 1.
As shown in Figure 3-4, be provided with between two parties fixing hole 10 on the described stretch-draw conversion steel plate 2, described connecting elements 3 is arranged in the fixing hole 10, and the right-hand member of connecting elements 3 is fixed on the stretch-draw conversion steel plate 2 by ground tackle; Described stretch-draw conversion steel plate 2 is respectively equipped with through hole 3 11 in the above and below that is positioned at fixing hole 10, and the plug 12 of described U-shaped iron 1 is arranged in the corresponding through hole 3 11, and the left end of plug 12 is fixed in U-iron 1 by nut.
Shown in Fig. 5-7, described stretch-draw steel plate 4 comprises two curved plates 14, the top and bottom of curved plate 14 are respectively equipped with through hole 4 13, curved plate 14 middle inside are provided with semi-circular groove one, the place, top and bottom that curved plate 14 inboards are positioned at semi-circular groove one is provided with respectively semi-circular groove two, and described two curved plates 14 connect by the cooperation of through hole 4 13, screw rod and bolt.Described through hole 1 is connected by two semi-circular grooves one and forms, and described through hole 28 is connected by two semi-circular grooves two and forms.
Shown in Fig. 8-11, drag-line passes from through hole 1, drag-line and guy cable length adjustable side 9 are an overall structure, be equipped with on the guy cable length adjustable side 9 and tighten the collar 5, described U-shaped iron 1 is connected on the force structure, and the mode that can be after force structure punches connects U-shaped iron 1 with wire rope is carried out stressed fixing to U-shaped iron.
During implementation, tensioning equipment 6 is centre-hole jack, the member with stretch-draw effect of described connecting elements 3 for matching with jack, be preferably steel strand or reinforcing pull rod, described U-shaped iron 1, stretch-draw conversion steel plate 2, connecting elements 3, stretch-draw steel plate 4 and the material of tightening the collar 5 all are steel, and be preferred, U-shaped iron 1 can be the Q345 steel, stretch-draw conversion steel plate 2 can be No. 45 steel, and stretch-draw steel plate 4 can be No. 45 steel, and tightening the collar 5 can be No. 45 steel.
During concrete the use, by the connect pulling force of member 3 of tensioning equipment 6, the internal force of guy cable length adjustable side 9 is delivered to connecting elements 3, make guy cable length adjustable side 9 enter relaxed state, tighten the collar 5 by artificial use, regulate the length of guy cable length adjustable side 9; Can progressively increase the pulling force of tensioning equipment, the fastening collar of tightening progressively is until reach the design pulling force, unload afterwards tensioning equipment 6, then jointly stressed by guy cable length adjustable side 9 and cable body, thus set up the initial tensile force of drag-line, realize the stretch-draw of drag-line, set up or regulate the rigidity of stayed structure.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, all drops within protection scope of the present invention.
Claims (8)
1. be used for the device that the stretch-draw drag-line is constructed in a prestressed steel structure, comprise stretch-draw steel plate (4), it is characterized in that: be provided with between two parties through hole one (7) on the described stretch-draw steel plate (4), the place, above and below that is positioned at through hole one (7) on the stretch-draw steel plate (4) is arranged with through hole two (8), be equipped with connecting elements (3) in the through hole two (8), the left end of connecting elements (3) is connected with tensioning equipment (6), the right-hand member of connecting elements (3) is connected with stretch-draw conversion steel plate (2), and stretch-draw conversion steel plate (2) is connected with U-shaped iron (1).
2. the device that is used for the construction of stretch-draw drag-line in the prestressed steel structure according to claim 1, it is characterized in that: be provided with between two parties fixing hole (10) on the described stretch-draw conversion steel plate (2), described connecting elements (3) is arranged in the fixing hole (10), and the right-hand member of connecting elements (3) is fixed on the stretch-draw conversion steel plate (2) by ground tackle.
3. the device that is used for the construction of stretch-draw drag-line in the prestressed steel structure according to claim 2, it is characterized in that: described stretch-draw conversion steel plate (2) is respectively equipped with through hole three (11) in the above and below that is positioned at fixing hole (10), the plug (12) of described U-shaped iron (1) is arranged in the corresponding through hole three (11), and the left end of plug (12) is fixed in U-iron (1) by nut.
4. the device that is used for the construction of stretch-draw drag-line in the prestressed steel structure according to claim 1, it is characterized in that: described stretch-draw steel plate (4) comprises two curved plates (14), the top and bottom of curved plate (14) are respectively equipped with through hole four (13), curved plate (14) middle inside is provided with semi-circular groove one, the place, top and bottom that curved plate (14) inboard is positioned at semi-circular groove one is provided with respectively semi-circular groove two, and described two curved plates (14) connect by the cooperation of through hole four (13), screw rod and bolt.
5. be used for the device of stretch-draw drag-line construction in the prestressed steel structure according to claim 4, it is characterized in that: described through hole one (7) is connected by two semi-circular grooves one and forms, and described through hole two (8) is connected by two semi-circular grooves two and forms.
6. be used for according to claim 1-5 the device of stretch-draw drag-line construction in each described prestressed steel structure, it is characterized in that: described tensioning equipment (6) is centre-hole jack.
7. be used for the device of stretch-draw drag-line construction in the prestressed steel structure according to claim 6, it is characterized in that: the member with stretch-draw effect of described connecting elements (3) for matching with jack.
8. be used for the device of stretch-draw drag-line construction in the prestressed steel structure according to claim 7, it is characterized in that: described connecting elements (3) is steel strand or reinforcing pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104300311A CN102888997A (en) | 2012-10-31 | 2012-10-31 | Device for inhaul cable tensioning construction in prestressed steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104300311A CN102888997A (en) | 2012-10-31 | 2012-10-31 | Device for inhaul cable tensioning construction in prestressed steel structure |
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| CN102888997A true CN102888997A (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104300311A Pending CN102888997A (en) | 2012-10-31 | 2012-10-31 | Device for inhaul cable tensioning construction in prestressed steel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775628A (en) * | 2019-01-29 | 2019-05-21 | 北京城建集团有限责任公司 | A kind of double rope lifting devices and its construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055837U (en) * | 1989-09-27 | 1990-04-11 | 中国建筑科学研究院建筑结构研究所 | Trailing tension device for big tonnage rigging |
| JPH08135194A (en) * | 1994-11-04 | 1996-05-28 | Oriental Constr Co Ltd | Tension device for hollow pc steel bar |
| JPH08151675A (en) * | 1994-11-28 | 1996-06-11 | Mizutani Kensetsu Kogyo Kk | Oblique prestressed box culvert and its prestress introducing method |
| CN101845894A (en) * | 2010-06-23 | 2010-09-29 | 北京市建筑工程研究院 | U-shaped tool device for prestressed steel structure tensioning construction and construction method |
| CN202882447U (en) * | 2012-10-31 | 2013-04-17 | 北京银泰建预应力工程有限公司 | Device used for inhaul cable tensioning construction in prestressed steel structure |
-
2012
- 2012-10-31 CN CN2012104300311A patent/CN102888997A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055837U (en) * | 1989-09-27 | 1990-04-11 | 中国建筑科学研究院建筑结构研究所 | Trailing tension device for big tonnage rigging |
| JPH08135194A (en) * | 1994-11-04 | 1996-05-28 | Oriental Constr Co Ltd | Tension device for hollow pc steel bar |
| JPH08151675A (en) * | 1994-11-28 | 1996-06-11 | Mizutani Kensetsu Kogyo Kk | Oblique prestressed box culvert and its prestress introducing method |
| CN101845894A (en) * | 2010-06-23 | 2010-09-29 | 北京市建筑工程研究院 | U-shaped tool device for prestressed steel structure tensioning construction and construction method |
| CN202882447U (en) * | 2012-10-31 | 2013-04-17 | 北京银泰建预应力工程有限公司 | Device used for inhaul cable tensioning construction in prestressed steel structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775628A (en) * | 2019-01-29 | 2019-05-21 | 北京城建集团有限责任公司 | A kind of double rope lifting devices and its construction method |
| CN109775628B (en) * | 2019-01-29 | 2024-04-30 | 北京城建集团有限责任公司 | Double-rope lifting device and construction method thereof |
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Application publication date: 20130123 |