CN202744261U - Assembled continuous lifting jack for finishing threaded steel bar upright posts - Google Patents

Assembled continuous lifting jack for finishing threaded steel bar upright posts Download PDF

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Publication number
CN202744261U
CN202744261U CN 201220167372 CN201220167372U CN202744261U CN 202744261 U CN202744261 U CN 202744261U CN 201220167372 CN201220167372 CN 201220167372 CN 201220167372 U CN201220167372 U CN 201220167372U CN 202744261 U CN202744261 U CN 202744261U
Authority
CN
China
Prior art keywords
anchor
jack
steel plate
moveable
moveable anchor
Prior art date
Application number
CN 201220167372
Other languages
Chinese (zh)
Inventor
郭正兴
罗斌
Original Assignee
东南大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 东南大学 filed Critical 东南大学
Priority to CN 201220167372 priority Critical patent/CN202744261U/en
Application granted granted Critical
Publication of CN202744261U publication Critical patent/CN202744261U/en

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Abstract

The utility model relates to an assembled continuous lifting jack for finishing threaded steel bar upright posts. A common pre-stressed tensioning jack (1) is fixed on the finishing threaded steel bar upright posts (2) through a jack tail part clamping plate (4) and a jack bearing steel plate (5); an upper tool anchor (8) is fixed on the piston head of the common pre-stressed tensioning jack (1) through a bolt; a lower tool anchor (9) is positioned at the lower part of the common pre-stressed tensioning jack (1) and is fixed on a lower tool anchor fixing steel plate (6) through a lower tool anchor plate (14) and a lower tool anchor plate clamping ring and lower tool anchor fixing steel plate connecting sleeve (16); threaded sleeves (10) are arranged outside the finishing threaded steel bar upright posts (2) in a sleeving manner and are positioned between the jack bearing steel plate (5) and the lower tool anchor fixing steel plate (6); a guide safety anchor (7) is positioned at the upper part of the common pre-stressed tensioning jack (1) and is fixed with an upper guide safety anchor fixing steel plate (3) through a bolt; and the upper guide safety anchor fixing steel plate (3) is fixed on the finishing threaded steel bar upright posts (2).

Description

Finish rolling deformed bar column assembly type continuance lifting jack
Technical field
The utility model relates to a kind of equipment of implementing continuance lifting for civil construction project, belongs to construction machinery equipment field in the civil construction project.
Background technology
" lift method " be in civil construction project construction with member or structure by the lifter continuous oblique to or vertical-lift to certain altitude position a kind of construction method of installing.Adopting which kind of lifting means is the key that lift method is used, and the hoisting device of the at present more lift method construction of domestic and international application is the dedicated hydraulic continuance lifting jack of developing on prestress wire anchoring system and hydraulic jack tensioning equipment basis.Its principle is to utilize flow and the oil pressure of hydraulic power unit output, drives jack cylinder and stretches, contract, replaces the anchoring steel strand by ground tackle up and down, drives steel strand and the continuous ascending, descending of lifting thing.Because of its equipment simple and direct, flexible and convenient transportation are installed, are obtained more and more widely propagation and employment in the lifting of the Integral lifting of ultra-large type building iron roof system and the large bridge construction project at home.Present known continuous lifting device is except conventional winch, electronic or hand-driven ring-chain hoist etc., generally acknowledge that the large and safe and reliable lifting means of hoisting capacity is the special-purpose continuance lifting hydraulic jack of manufacturer production, this cover lifting means can only be used for lifting construction, can not be common to the prestress wire stretch-draw of prestress engineering in constructing etc.In addition, buy special-purpose continuous lifting device price high, degree of utilization is lower, can not realize a tractor serves several purposes, and when particularly needing multiple spot jack cluster Integral lifting, the Meteorological of lifting means is expensive, brings huge difficulty to accepting engineering.
Summary of the invention
Technical matters: the purpose of this utility model is for the required elevating gear equipment of civil construction project continuance lifting construction, a kind of hydraulic feed-through jack commonly used with prestress tensioning equipment is provided, the equipment such as the automated tool intermediate plate anchor of anchoring prestress steel strand and finish rolling deformed bar and material are assembled into the continuance lifting jack, realization takes full advantage of conventional deformed bar and tensioning equipment, fit together and can be used as the continuance lifting jack, can be used for again prestress engineering stretch-draw after breaking, realize " one uses at most " and the recycling of finish rolling deformed bar of prestressed stretch-draw jack.
Technical scheme: finish rolling deformed bar column assembly type continuance lifting jack of the present utility model comprises that common prestressed stretch-draw jack, finish rolling deformed bar column, upper failure to the safe side anchoring decide steel plate, jack afterbody clamp, jack pressure-bearing steel plate, lower moveable anchor fixation steel plate, failure to the safe side anchor, upper moveable anchor, anchor slab snap ring, screw thread bush, location hold concurrently jam nut, plain nut, jack piston, lower moveable anchor.Common prestressed stretch-draw jack is by being fixed on the finish rolling deformed bar column in jin top afterbody clamp and jack pressure-bearing steel plate, and upper moveable anchor is bolted on the piston crown of common prestressed stretch-draw jack; Lower moveable anchor is positioned at the bottom of common prestressed stretch-draw jack, be fixed on the lower moveable anchor fixation steel plate by anchor slab snap ring and anchor slab base, screw thread bush is enclosed within outside the finish rolling deformed bar column, and between jack pressure-bearing steel plate and lower moveable anchor fixation steel plate; The failure to the safe side anchor is positioned at the top of common prestressed stretch-draw jack, decides steel plate by bolt and upper failure to the safe side anchoring and fixes, and upper failure to the safe side anchoring is decided steel plate and is fixed on the finish rolling deformed bar column.
The elasticity modulus that the elasticity modulus of described failure to the safe side anchor steel strand intermediate plate top pressure spring is gone up moveable anchor, lower moveable anchor steel strand intermediate plate top pressure spring is little, the failure to the safe side anchor is tight prior to lower moveable anchor anchor when avoiding in the lifting process piston retraction, thereby avoids the deformed bar column to become compression rod.
Described lower moveable anchor is arranged in the anchor slab snap ring, the latter half of anchor slab base is arranged in the hole of lower moveable anchor fixation steel plate, the first half of anchor slab base is arranged in the anchor slab snap ring, lower moveable anchor is positioned on the anchor slab base, so that lower moveable anchor need not to adopt bolt also can fix, and it can rotate the angle of adjusting anchor hole in snap ring.
Beneficial effect: the utility model is assembled into the continuance lifting jack that can satisfy the erection ﹠ lift needs with stretch-draw jack, finish rolling deformed bar and steel strand automated tool anchor in the general prestress engineering construction equipment by the polylith platform steel plate attaching parts of processing, it is lightweight, assembly and disassembly is flexible, the scrap build expense is low, it uses finish rolling deformed bar as the upright supports frame, not only guaranteed to have preferably strength and stiffness after the jack transformation, and it still can be used as the stretch-draw prestressing force rod iron and carries out pre-stress construction after dismounting; Jack as continuous lifting device still can be used for tensioning construction after dismounting, improve to greatest extent the construct degree of utilization of original equipment of prestress engineering, reaches the purpose of " uses at most ".In addition, the utility model has well improved the bearing capacity of lower pole bracing frame and the stability of column to the mode that the finish rolling deformed bar column between the larger jack of pressure-bearing bottom pressure-bearing steel plate and the lower moveable anchor fixation steel plate adopts screw thread bush to strengthen.The more upper and lower moveable anchor of elasticity modulus of the utility model failure to the safe side anchor steel strand intermediate plate top pressure spring is little, the failure to the safe side anchor is tight prior to lower moveable anchor anchor when having avoided in the lifting process jack piston retraction, thereby has avoided the finish rolling deformed bar column to become compression rod.
Description of drawings
Fig. 1 is the three-dimensional axonometric drawing of finish rolling deformed bar column assembly type continuance lifting jack.
Fig. 2 is finish rolling deformed bar column assembly type continuance lifting jack front elevation view.
Fig. 3 is moveable anchor assembly drawing under the continuance lifting jack.
Fig. 4 is each component part component diagram of moveable anchor under the continuance lifting jack.
Fig. 5 is the double jam nut in location and the three-dimensional axonometric drawing of screw thread bush part.
Fig. 6 is that the steel plate constructional drawing is decided in the failure to the safe side anchoring.
Fig. 7 is jack cylinder barrel trailer card plate constructional drawing.
Fig. 8 is jack bottom pressure-bearing steel plate constructional drawing.
Fig. 9 is lower moveable anchor fixation steel plate constructional drawing.
Have among the figure: common prestressed stretch-draw hydraulic feed-through jack 1, the finish rolling deformed bar column 2 of upright supports frame, steel plate 3 is decided in the failure to the safe side anchoring, jack cylinder barrel trailer card plate 4, jack bottom pressure-bearing steel plate 5, lower moveable anchor fixation steel plate 6, failure to the safe side anchor 7, upper moveable anchor 8, lower moveable anchor 9, screw thread bush 10, the double jam nut 11 in location, plain nut 12, jack piston 13, lower instrument anchor slab 14, lower moveable anchor anchor slab snap ring 15, lower moveable anchor anchor slab snap ring and lower moveable anchor fixation steel plate adapter sleeve 16.
The specific embodiment
Finish rolling deformed bar column assembly type continuance lifting jack comprises hydraulic feed-through jack, upright supports frame, upper moveable anchor, lower moveable anchor and failure to the safe side anchor.Hydraulic feed-through jack adopts common prestressed stretch-draw jack; The upright supports frame consists of by finish rolling deformed bar, platform steel plate and with supporting screw thread bush and the nut of finish rolling deformed bar, and the platform steel plate is divided into lower moveable anchor fixation steel plate, jack bottom pressure-bearing steel plate, jack cylinder stack shell afterbody clamp and failure to the safe side anchoring and decides steel plate; The ground tackle of upper moveable anchor, lower moveable anchor and the failure to the safe side anchor of anchoring lifting steel strand adopts the automated tool anchor with strand intermediate plate top pressure spring, and the more upper and lower moveable anchor of elasticity modulus of failure to the safe side anchor steel strand intermediate plate top pressure spring is little.Upper moveable anchor is bolted in jin top piston crown; Lower moveable anchor is fixed on the lower moveable anchor fixation steel plate by anchor slab snap ring and anchor slab base; The failure to the safe side anchor is decided steel plate by bolt and failure to the safe side anchoring and is fixed.
The utility model has changed integrated design and the device-specific mode of traditional Special-purpose lifting jack, adopts assembling and detachable then change into, and fully turnover utilizes the mode of equipment.Each component processing that forms the continuance lifting jack is well progressively assembled according to order from below to up afterwards.Lower moveable anchor place anchor slab snap ring is fixed in lower moveable anchor fixation steel plate by lower moveable anchor fixation steel plate adapter sleeve, so that lower moveable anchor need not to adopt bolt also can fix, and the anchor slab of automated tool anchor can rotate in snap ring adjusts slightly reversing of steel strand in the lifting process, increases the reliable anchoring of intermediate plate that promotes steel strand; Be used in a jin difference of top and the bottom overall diameter of taking blame for others and processed jack cylinder barrel trailer card plate, jack is shelved in the groove of bottom force-bearing steel plate, live jack by jack cylinder barrel trailer card integrated circuit board again, jack floating when avoiding in the lifting process piston-retraction.For the excessive clearance that prevents column and steel plate hole causes Whole Equipment poor, be provided with the double jam nut in step location, make the one end can fill in gap between column and steel plate, steel plate and stud are fixed, and the location jam nut of holding concurrently is positioned at the top of every block plate; One end of screw thread bush is designed to threaded, can be screwed in the lower moveable anchor fixation steel plate fixing.
Concrete sequence of erection is: at first by 4 or 4 above finish rolling deformed bar columns 2 lower moveable anchor fixation steel plates 6 are installed, the lower moveable anchor anchor slab snap ring 15 in the assembly of lower moveable anchor 9 and lower moveable anchor anchor slab snap ring and lower moveable anchor fixation steel plate adapter sleeve 16 are fixed on the lower moveable anchor fixation steel plate 6; Four screw thread bushs 10 are installed successively, it is tightened; Jack pressure-bearing steel plate 5 is installed, and the screwed in place jam nut 11 of holding concurrently; The prestressed stretch-draw jack 1 that installs upper moveable anchor 8 is snapped in jack pressure-bearing steel plate 5 and jack afterbody clamp 4 is installed thereupon, tighten the double jam nut 11 in location, steel plate top and steel plate bottom plain nut 12; The failure to the safe side anchoring then is installed decides steel plate 3 and tight a bolt, at last failure to the safe side anchor 7 is fixed on the failure to the safe side anchoring and decides on the steel plate 3 installation.
Disassembly sequence is opposite with sequence of erection.

Claims (3)

1. a finish rolling deformed bar column assembly type continuance lifting jack is characterized in that this continuance lifting jack comprises common prestressed stretch-draw jack (1), finish rolling deformed bar column (2), steel plate (3) is decided in upper failure to the safe side anchoring, jack afterbody clamp (4), jack pressure-bearing steel plate (5), lower moveable anchor fixation steel plate (6), failure to the safe side anchor (7), upper moveable anchor (8), lower moveable anchor (9), screw thread bush (10), the double jam nut (11) in location, plain nut (12), jack piston (13), lower instrument anchor slab (14); Common prestressed stretch-draw jack (1) is fixed on the finish rolling deformed bar column (2) by jack afterbody clamp (4) and jack pressure-bearing steel plate (5), and upper moveable anchor (8) is bolted on the piston crown of common prestressed stretch-draw jack (1); Lower moveable anchor (9) is positioned at the bottom of common prestressed stretch-draw jack (1), be fixed on the lower moveable anchor fixation steel plate (6) by lower instrument anchor slab (14) and lower moveable anchor anchor slab snap ring and lower moveable anchor fixation steel plate adapter sleeve (16), screw thread bush (10) is enclosed within outside the finish rolling deformed bar column (2), and is positioned between jack pressure-bearing steel plate (5) and the lower moveable anchor fixation steel plate (6); Failure to the safe side anchor (7) is positioned at the top of common prestressed stretch-draw jack (1), decides steel plate (3) by bolt and upper failure to the safe side anchoring fixing, and upper failure to the safe side anchoring is decided steel plate (3) and is fixed on the finish rolling deformed bar column (2).
2. finish rolling deformed bar column assembly type continuance lifting jack according to claim 1, the elasticity modulus that the elasticity modulus that it is characterized in that described failure to the safe side anchor (7) strand intermediate plate top pressure spring is gone up moveable anchor (8), lower moveable anchor (9) strand intermediate plate top pressure spring is little, failure to the safe side anchor (7) is tight prior to lower moveable anchor (9) anchor when avoiding in the lifting process piston retraction, thereby avoids the deformed bar column to become compression rod.
3. finish rolling deformed bar column assembly type continuance lifting jack according to claim 1, it is characterized in that described lower instrument anchor slab (14) is arranged in lower moveable anchor anchor slab snap ring (15), the latter half of lower moveable anchor fixation steel plate adapter sleeve (16) is arranged in the hole of lower moveable anchor fixation steel plate (6), the first half of lower moveable anchor anchor slab snap ring and lower moveable anchor fixation steel plate adapter sleeve (16) is arranged in anchor slab snap ring (15), lower instrument anchor slab (14) is positioned at lower moveable anchor anchor slab snap ring and lower moveable anchor fixation steel plate adapter sleeve (16), so that lower instrument anchor slab (14) need not to adopt bolt also can fix, and it can rotate the angle of adjusting anchor hole in anchor slab snap ring (15).
CN 201220167372 2012-04-19 2012-04-19 Assembled continuous lifting jack for finishing threaded steel bar upright posts CN202744261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220167372 CN202744261U (en) 2012-04-19 2012-04-19 Assembled continuous lifting jack for finishing threaded steel bar upright posts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220167372 CN202744261U (en) 2012-04-19 2012-04-19 Assembled continuous lifting jack for finishing threaded steel bar upright posts

Publications (1)

Publication Number Publication Date
CN202744261U true CN202744261U (en) 2013-02-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102616696A (en) * 2012-04-19 2012-08-01 东南大学 Assembled continuous lifting jack for finish-rolling threaded steel bar vertical columns
CN103264977A (en) * 2013-04-16 2013-08-28 中天建设集团有限公司 Large-span prestress double-arch-frame hoisting structure
CN104085832A (en) * 2014-07-17 2014-10-08 北京市建筑工程研究院有限责任公司 Flexible component lifting device and lifting method thereof
CN106812753A (en) * 2017-03-24 2017-06-09 枣庄市达源液压设备有限公司 A kind of raise-lower hydraulic device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102616696A (en) * 2012-04-19 2012-08-01 东南大学 Assembled continuous lifting jack for finish-rolling threaded steel bar vertical columns
CN102616696B (en) * 2012-04-19 2013-11-27 东南大学 Assembled continuous lifting jack for finish-rolling threaded steel bar vertical columns
CN103264977A (en) * 2013-04-16 2013-08-28 中天建设集团有限公司 Large-span prestress double-arch-frame hoisting structure
CN104085832A (en) * 2014-07-17 2014-10-08 北京市建筑工程研究院有限责任公司 Flexible component lifting device and lifting method thereof
CN104085832B (en) * 2014-07-17 2016-09-07 北京市建筑工程研究院有限责任公司 A kind of method for improving of flexible member lifting device
CN106812753A (en) * 2017-03-24 2017-06-09 枣庄市达源液压设备有限公司 A kind of raise-lower hydraulic device

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RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20130220

Effective date of abandoning: 20131127