CN102877680A - Construction method for prefabricated column to be lifted in position for one time - Google Patents

Construction method for prefabricated column to be lifted in position for one time Download PDF

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Publication number
CN102877680A
CN102877680A CN2012103807329A CN201210380732A CN102877680A CN 102877680 A CN102877680 A CN 102877680A CN 2012103807329 A CN2012103807329 A CN 2012103807329A CN 201210380732 A CN201210380732 A CN 201210380732A CN 102877680 A CN102877680 A CN 102877680A
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China
Prior art keywords
prefabricated post
lifting
hole
wire rope
construction
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Application number
CN2012103807329A
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Chinese (zh)
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CN102877680B (en
Inventor
杜博
王博
周小红
肖莹莹
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SHAANXI NONFERROUS METAL CONSTRUCTION CO Ltd
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SHAANXI NONFERROUS METAL CONSTRUCTION CO Ltd
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Priority to CN201210380732.9A priority Critical patent/CN102877680B/en
Publication of CN102877680A publication Critical patent/CN102877680A/en
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Publication of CN102877680B publication Critical patent/CN102877680B/en
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Abstract

The invention discloses a construction method for a prefabricated column to be lifted in position for one time. Before concreting, turning-over holes and lifting holes are embedded at designed positions through polyvinyl chloride (PVC) pipes, and mechanically connected lifting riggings are matched, so that the precast column bears force equally and uniformly during lifting. The method aims to protect finished products and avoid dangers of high-altitude rigging dismounting during one-time lifting in position of a precast column. According to the construction method, the construction is simple, the operation safety factor is high, the cost of a prior embedded disposable steel ring is saved, and the lifting efficiency and the safety are improved. According to the construction method, a large-size prefabricated part can be lifted in position once and the construction procedure is simplified in a lifting process of the large-size prefabricated part.

Description

A kind of lifting prefabricate column is job practices in place once
Technical field
The invention belongs to the Hoisting Construction Technology field, relate to a kind of construction method for hanging, especially a kind of lifting prefabricate column is job practices in place once.
Background technology
In the prior art, lifting prefabricate column often adopts traditional pre-buried suspension ring to cooperate wire rope colligation construction method for hanging.Pre-buried steel suspension ring cost is high, and the wire rope colligation is unfavorable for finished product protection; And the dangerous property of operating personnel's high-altitude dismantling tie rigging, lifting efficient is low; The lifting discontinuity, impact lifting quality.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art; once job practices in place of a kind of lifting prefabricate column is provided; the method adopts the lifting butt rigging of reusable edible to replace the rigging of in the past steel suspension ring cooperation wire rope colligation; can safe and efficiently finish lifting prefabricate column; and can protect end product quality; reduce cost, improve income.
The objective of the invention is to solve by the following technical programs:
This lifting prefabricate column is job practices in place once, may further comprise the steps:
1) before prefabricated post concreting, pre-buried three pvc pipes on design attitude, wherein two as standing up the hole, and one is used for lifting eye; If bracket type prefabricated post, then lifting eye is embedded in the bracket below in advance; Two are stood up the axially bored line direction and all are parallel to the brick fetal membrane; The lifting eye axis direction is perpendicular to the brick fetal membrane; Then carry out concreting, form prefabricated post;
When 2) treating that the prefabricated post concrete reaches design strength and possesses the translation condition, utilization is stood up two single ended bolt of butt rigging and is penetrated successively respectively under the diplopore clamping plate hole, prefabricated post and stand up under hole and another diplopore clamping plate behind hole, the steel washer, use fastening nuts, then utilize wire rope, steel suspension ring and fringed iris herb with four of four diplopore clamping plate upper holes and crane crotch formation locking hoisting rig; After checking that the rigging connection is errorless, slowly rise the crane crotch, the prefabricated post translation is left the positioner film near the sleeper the respective cups type single footing, prepare to enter to stand up operation;
3) after the prefabricated post translation, remove translation and connect lockset; Lockset is stood up in installation, will penetrate prefabricated post and stands up the Kong Bingyong fastening nuts with the suspension rod that stands up of wire rope stable connection; When promoting the crane crotch, prefabricated post is slided by standing up suspension rod end annulus and wire rope rotating, finishes 90 ° and stands up rear slowly dropping on the sleeper, and with the nut loose unloading of bottom, crane is vertically extracted and stood up suspension rod (23), finishes and stands up operation;
4) check measure snap the line errorless after, then prepare lifting; After utilization penetrates the lifting eye, another root wire rope of steel cable, prefabricated post successively with the pin of bolt coir rope, utilize bolt to have the latch of coir rope to penetrate the circular hole of pin, form the hoisting sling of closed loop with wire rope, steel suspension ring, fringed iris herb; The closed loop rigging is close to prefabricated post with wire rope; Slowly rise the crane crotch, adopt the method for rotary process unit vertical lifting prefabricated post, to be parallel to first the prefabricated post of placing on ground stands up perpendicular to ground, promote the crane crotch with prefabricated post vertically be located in glass type single footing temporary fixed firm after, the terrestrial operation personnel utilize coir rope to extract latch out, the recycling coir rope is extracted pin out, finishes the dismounting work of hoisting rig, finishes the lifting operation.
The present invention has following beneficial effect:
Lifting prefabricate column of the present invention once job practices in place take be concreting before, with pre-buried hole and the lifting eye of standing up of pvc pipe, the hoisting rig that cooperative mechanical connects makes the parallel uniform stressed of lifting prefabricate column at design attitude.Purpose is to guarantee prefabricated post finished product protection and the danger of avoiding the high-altitude dismantling rigging in lifting once process in place.The method easy construction, the handling safety coefficient is high, has saved the in the past cost of pre-buried disposable steel suspension ring, has improved lifting efficient and safety.By adopting the present invention, in large volume prefabricated part hanging process, can once its lifting be put in place, simplified working procedure.
In sum, the present invention utilizes lifting lockset capable of circulation to replace pre-buried steel suspension ring cooperation wire rope colligation lift-on/lift-off system, avoided the high-altitude dismantling rigging danger, saved the lifting prefabricate column cost, significantly improved once lifting quality and operating efficiency in place of lifting prefabricate column.
Description of drawings
Fig. 1 is once pre-buried hole, the lifting eye axial location schematic diagram of standing up of job practices prefabricated post in place of lifting prefabricate column of the present invention;
Fig. 2 is once job practices prefabricated post translation rigging structure schematic diagram in place of lifting prefabricate column of the present invention;
Fig. 3 is once job practices prefabricated post in place translation sleeper schematic diagram in place of the present invention-lifting prefabricate column;
Fig. 4 is the sectional view of the 1-1 of Fig. 1;
Fig. 5 be lifting prefabricate column of the present invention once job practices prefabricated post in place stand up the rigging connection diagram;
Fig. 6 be lifting prefabricate column once job practices prefabricated post in place stand up the process schematic diagram;
Fig. 7 is once job practices prefabricated post hoisting sling connection diagram in place of lifting prefabricate column;
Fig. 8 is once job practices prefabricated post lifting process schematic diagram in place of lifting prefabricate column.
Wherein: 1-prefabricated post, 2-brick fetal membrane, 3-stand up under hole, 4-lifting eye, 5-diplopore clamping plate, the 6-diplopore clamping plate hole, 8-wire rope, 9-steel suspension ring, 10-fringed iris herb, 11-crane crotch, 12-steel washer, 13-nut, 14-single ended bolt, 15-pin, 16-pin suspension ring, 17-pin coir rope, 18-latch, 19-latch suspension ring, 20-latch coir rope, 21-half round buckle, 22-sleeper, 23-bending ring latch on hole, the 7-diplopore clamping plate.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Lifting prefabricate column of the present invention is job practices in place once, specifically may further comprise the steps
1) before prefabricated post 1 concreting, as shown in Figure 1, pre-buried three pvc pipes on design attitude, wherein two are used for lifting eye 4 as standing up 3, one in hole, if bracket type prefabricated post, then lifting eye is embedded in the bracket below in advance.Two are stood up hole 3 axis directions and all are parallel to brick fetal membrane 2, are conducive to the accuracy of pre-buried position, and guaranteed prefabricated post 1 translation, when standing up, lifting rope and 45 ° of balance uniform stresseds of horizon angle; Lifting eye 4 axis directions have guaranteed that perpendicular to brick fetal membrane 2 Heave Here width and pillar with wide, have played the active promoting function of force balance.
When 2) treating that the prefabricated post concrete reaches design strength and possesses the translation condition, as shown in Figure 2, at first utilize and stand up two single ended bolt 14 of butt rigging and penetrate successively respectively after hole 6, prefabricated post 1 are stood up hole, 5 times holes 6 of another diplopore clamping plate, steel washer 12 under the diplopore clamping plate, fastening with nut 13, then utilize wire rope 8, steel suspension ring 9 and fringed iris herb 10 that four upper holes 7 of four diplopore clamping plate 5 are formed the locking hoisting rig with crane crotch 11.After checking that the rigging connection is errorless, slowly rise crane crotch 11, prefabricated post 1 translation is left positioner film 2 near the sleeper 22 the respective cups type single footing, as shown in Figure 3, prepare to enter to stand up operation.The overall process uniform balance is stressed, and prefabricated post is under the protection of diplopore clamping plate, and presentation quality is without damage.
3) after the prefabricated post translation, remove translation shown in Figure 4 and connect lockset.Install and to stand up as shown in Figure 5 lockset, will penetrate prefabricated post 1 and stand up hole 3 and fastening with nut 13 with the suspension rod 23 that stands up of wire rope 8 stable connections.Listen the whistle order to enter and stand up operation, as shown in Figure 6, when promoting crane crotch 11, prefabricated post 1 is by standing up suspension rod 23 end annulus and wire rope 8 rotational slides, finish 90 ° and stand up rear slowly dropping on the sleeper 23, by nut 13 loose unloadings of operator with the bottom, crane is vertically extracted and is stood up suspension rod 23, finishes and stands up operation.
4) check measure snap the line errorless after, then prepare lifting, as shown in Figure 7, after utilization penetrates the lifting eye 4, another root wire rope 8 of steel cable 8, prefabricated post 1 successively with the pin 15 of bolt coir rope 17, utilize bolt to have the latch 18 of coir rope 20 to penetrate the circular hole of pin 15, form the hoisting sling of closed loops with wire rope 5, steel suspension ring 6, fringed iris herb 7.The closed loop rigging is close to prefabricated post 1 with wire rope 8, and when reaching vertical lifting, iron suspension ring 9 suspension centre width are equal to the purpose of prefabricated post width, guarantees balance uniform stressed in the lifting process.After hoisting rig connects reliably on inspection, as shown in Figure 8, slowly rise crane crotch 11, along the arrow direction, adopt the method for rotary process unit vertical lifting prefabricated post, to be parallel to first the prefabricated post of placing on ground stands up perpendicular to ground, promote crane crotch 11 with prefabricated post 1 vertically be located in glass type single footing temporary fixed firm after, the terrestrial operation personnel can utilize coir rope 20 to extract latch 18 out, recycling coir rope 17 is extracted pin 15 out, finish the dismounting work of hoisting rig, finish the lifting operation, avoided the in the past danger of colligation rigging high-altitude dismantling.

Claims (1)

1. lifting prefabricate column job practices in place once is characterized in that, may further comprise the steps:
1) before prefabricated post concreting, pre-buried three pvc pipes on design attitude, wherein two as standing up hole (3), and one is used for lifting eye; If bracket type prefabricated post, then lifting eye is embedded in the bracket below in advance; Two are stood up hole (3) axis direction and all are parallel to brick fetal membrane (2); Lifting eye (4) axis direction is perpendicular to brick fetal membrane (2); Then carry out concreting, form prefabricated post (1);
When 2) treating that prefabricated post (1) concrete reaches design strength and possesses the translation condition, utilization is stood up two single ended bolt of butt rigging (14) and is penetrated successively respectively hole (6) under the diplopore clamping plate, prefabricated post (1) and stand up under hole (3) and another diplopore clamping plate behind hole (6), the steel washer (12), fastening with nut (13), then utilize wire rope (8), steel suspension ring (9) and fringed iris herb (10) that four upper holes (7) of four diplopore clamping plate (5) are formed the locking hoisting rig with crane crotch (11); After checking that the rigging connection is errorless, slowly rise crane crotch (11), prefabricated post (1) translation is left positioner film (2) near the sleeper (22) the respective cups type single footing, prepare to enter to stand up operation;
3) after prefabricated post (1) translation, remove translation and connect lockset; Lockset is stood up in installation, will be penetrates prefabricated post (1) and stands up hole (3) and fastening with nut (13) with the suspension rod (23) that stands up of wire rope (8) stable connection; When promoting crane crotch (11), prefabricated post (1) is finished 90 ° and is stood up rear slowly dropping on the sleeper (23), with nut (13) loose unloading of bottom by standing up suspension rod (23) end annulus and wire rope (8) rotational slide, crane is vertically extracted and is stood up suspension rod (23), finishes and stands up operation;
4) check measure snap the line errorless after, then prepare lifting; After utilization penetrates the lifting eye (4), another root wire rope (8) of steel cable (8), prefabricated post (1) successively with the pin (15) of bolt coir rope, utilize bolt to have the latch (18) of coir rope to penetrate the circular hole of pin (15), form the hoisting sling of closed loop with wire rope (5), steel suspension ring (6), fringed iris herb (7); The closed loop rigging is close to prefabricated post (1) with wire rope (8); Slowly rise crane crotch (11), adopt the method for rotary process unit vertical lifting prefabricated post, to be parallel to first the prefabricated post of placing on ground stands up perpendicular to ground, promote crane crotch (11) with prefabricated post (1) vertically be located in glass type single footing temporary fixed firm after, the terrestrial operation personnel utilize coir rope to extract latch (18) out, the recycling coir rope is extracted pin (15) out, finishes the dismounting work of hoisting rig, finishes the lifting operation.
CN201210380732.9A 2012-10-09 2012-10-09 Construction method for prefabricated column to be lifted in position for one time Active CN102877680B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193771A (en) * 2016-07-15 2016-12-07 江苏迪生建设集团有限公司 A kind of street lamp installation method
CN107601252A (en) * 2017-07-27 2018-01-19 上海二十冶建设有限公司 A kind of heavy type super-long concrete rectangular column penetrates hoisting appliance and its hanging method
CN107740586A (en) * 2017-08-29 2018-02-27 惠州市伊涅科技有限公司 Customize factory building and its cut-off hanging method
CN108483215A (en) * 2018-04-27 2018-09-04 无锡市政设计研究院有限公司 A kind of hanging method of prefabricated post

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106121351B (en) * 2016-07-15 2018-03-30 沈阳建筑大学 A kind of construction method that ashlar post is lifted with lifting frame

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JPH0742412A (en) * 1993-07-29 1995-02-10 Yokogawa Koji Kk Demolition method for steel guyed tower
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JPH0742412A (en) * 1993-07-29 1995-02-10 Yokogawa Koji Kk Demolition method for steel guyed tower
JPH07301026A (en) * 1994-05-02 1995-11-14 Kansai Electric Power Co Inc:The Method of assembling pole column on the ground and device therefor
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193771A (en) * 2016-07-15 2016-12-07 江苏迪生建设集团有限公司 A kind of street lamp installation method
CN107601252A (en) * 2017-07-27 2018-01-19 上海二十冶建设有限公司 A kind of heavy type super-long concrete rectangular column penetrates hoisting appliance and its hanging method
CN107740586A (en) * 2017-08-29 2018-02-27 惠州市伊涅科技有限公司 Customize factory building and its cut-off hanging method
CN108483215A (en) * 2018-04-27 2018-09-04 无锡市政设计研究院有限公司 A kind of hanging method of prefabricated post

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