CN110093985A - A kind of jacking apparatus and method is extended out using the unilateral jacking of rack of the device - Google Patents
A kind of jacking apparatus and method is extended out using the unilateral jacking of rack of the device Download PDFInfo
- Publication number
- CN110093985A CN110093985A CN201910417001.9A CN201910417001A CN110093985A CN 110093985 A CN110093985 A CN 110093985A CN 201910417001 A CN201910417001 A CN 201910417001A CN 110093985 A CN110093985 A CN 110093985A
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- China
- Prior art keywords
- rack
- jacking
- jacking apparatus
- crossbeam
- jack
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
Abstract
Method is extended out the present invention relates to a kind of jacking apparatus and using the unilateral jacking of the rack of the device, jacking apparatus includes two jack arranged side by side, the bottom of each jack is provided with pedestal, it is provided with horizontal crossbeam at the top of the cylinder shaft of two jack, is respectively equipped with limited block at the both ends of crossbeam.It is fixed with fixes sleeve at the both ends of crossbeam bottom surface, is plugged in fixes sleeve at the top of the cylinder shaft of jack.The unilateral jacking of rack extends out method and has used above-mentioned jacking apparatus, one end of rack is hinged on pivoting support, the free end of rack is jacked up into certain height using jacking apparatus, continue to splice then along original rack, in new free end, jacking apparatus is set, it is complete until splicing rack by repeatedly jacking and splicing rack.The present invention solves the problems, such as that jacking apparatus is frequently moved applying man-hour requirement, shortens the duration, and jacking apparatus structure is simple, can save construction cost with repeated recycling utilize.
Description
Technical field
The present invention relates to a kind of Construction of The Grids ancillary equipment, specifically a kind of jacking apparatus and the net using the device
The unilateral jacking of frame extends out method.
Background technique
With steel structure net rack rapid development and become increasingly popular, the construction method and construction efficiency to grid structure also have
New requirement.Construction site is all extremely limited in many cases, and need to construct progress synchronous with production, is guaranteeing not influence to give birth to
It constructs in the case where production.The Construction of The Grids duration is tight, and the time is short, needs to quickly finish the construction of the biggish rack of span, weight,
And it needs to guarantee construction quality and safety.It is all to extend out method using unilateral jacking to carry out that span is larger, weight is big mostly now
The construction of rack needs to be jacked using jack pair rack in the construction process, but is with rack one in jacking process
As hinge joint, rack is rotated around hinge joint the ball node at end simultaneously during being jacked by jack, leads to jack
Position is jacked as the jacking of rack is moved without offset, certain inclination will occur for jack, because jack is at work
Permitted gradient very little, it is necessary to which frequent jack for moving, which results in construction period longer problems.
Summary of the invention
Method is extended out it is an object of the invention to provide a kind of jacking apparatus and using the unilateral jacking of the rack of the device, with solution
Certainly due to needing frequent jack for moving to lead to duration longer problem when present Construction of The Grids.
The present invention is implemented as follows: a kind of jacking apparatus, including two jack arranged side by side, each described thousand
The bottom on jin top is provided with pedestal, horizontal crossbeam is provided at the top of the cylinder shaft of two jack, in the crossbeam
Both ends be respectively equipped with limited block.
It is fixed with fixes sleeve at the both ends of the crossbeam bottom surface, is plugged at the top of the cylinder shaft of the jack described solid
Determine on sleeve.
The distance between two described jack are 1 meter or so, and maximum distance is no more than 1.2 meters.
The present invention is also disclosed a kind of unilateral jacking of rack and extends out method, comprising the following steps:
A. pivoting support and support frame are set up on ground, successively splices the rack of three layers of arc from bottom to up on the support frame, makes
It is formed between the ball node and pivoting support of pivoting support one end on rack hingedly, the other end of rack is free end；
B. jacking apparatus is set in the free end of the rack spliced, the jacking apparatus includes two arranged side by side very heavy
Top, is provided with pedestal in the bottom of each jack, is provided at the top of the cylinder shaft of two jack horizontal
Crossbeam is respectively equipped with limited block at the both ends of the crossbeam；
C. rack is jacked up using jacking apparatus, rack rotates while rising around pivoting support, the crossbeam with jacking apparatus
The ball node of contact slides on crossbeam；
D. after the free end of rack is jacked up certain height, continue to splice along the free end of rack, and in the new shape of rack
At free end below reserve place jacking apparatus position；
E. step b to step d is repeated, until the splicing of entire rack finishes, when carrying out the splicing of second half section rack, installation is several
A drag-line, drag-line one end are fixed on the rack part of pivoting support, and the other end of drag-line is fixed on the rack of second half section
On, cable pull is adjusted to the shape of rack；
F. after the splicing of entire rack, erection support is set up on ground, and the ball node of rack free end is fixed on peace
It fills on support.
After rack is jacked by the jacking apparatus of free end, the jacking apparatus being arranged before is removed and is pushed up in next step
It is used when rising.
The jacking apparatus should ensure that limit of the initial position of the ball node contacted with crossbeam on crossbeam when placing
Position block, and ball node is moved along crossbeam to the direction of another limited block during jacking rack.
For jacking apparatus of the invention by the crossbeam of two jack support levels, crossbeam is used to support the ball node of rack,
Ball node can be horizontal on crossbeam movement, can smoothly jack the biggish rack knot of lifting capacity by two jack
Structure can allow ball node on rack to jack during jacking along cross beam movement while jacking rack when in use
Device will not be tilted because of rack around the rotation of pivoting support, and there is no need to frequent for jacking apparatus in the construction process
It is mobile.
The unilateral jacking of rack of the invention extends out method and has used above-mentioned jacking apparatus, and one end of rack is hinged on hingedly
On support, the free end of rack is jacked up into certain height using jacking apparatus, continues to splice then along original rack, spliced
Good rack forms new free end, and jacking apparatus is arranged in new free end, by the jacking apparatus of free end by rack after
The certain height of continuous jacking simultaneously continues to splice one section of rack, complete until splicing rack by repeatedly jacking and splicing rack,
The free end of rack is mounted on erection support by rack after splicing.On the rack top that will have been spliced using jacking apparatus
The process for rising certain altitude does not need the position of mobile jacking apparatus, to greatly reduce the movement time of jacking apparatus in work progress
Number, shortens the duration of construction.And the work for splicing rack every time is all completed on the ground, does not need aloft work,
It ensure that the safety of construction.
The present invention solves the problems, such as that jacking apparatus is frequently moved applying man-hour requirement, shortens the duration, and jack dress
It is simple to set structure, construction cost can have been saved with repeated recycling utilize.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of jacking apparatus of the present invention.
Fig. 2 is schematic diagram when jacking apparatus of the present invention rises.
Fig. 3 is that the unilateral jacking of rack of the present invention extends out the schematic diagram that pivoting support and support frame are arranged in method.
Fig. 4 is that the unilateral jacking of rack of the present invention extends out the schematic diagram for splicing first segment rack in method.
Fig. 5 is that the unilateral jacking of rack of the present invention extends out the schematic diagram that jacking apparatus is installed in method.
Fig. 6 is that the unilateral jacking of rack of the present invention extends out the schematic diagram that rack is jacked in method and continued splicing.
Fig. 7 is that the unilateral jacking of rack of the present invention extends out in method rack splicing complete schematic diagram.
Fig. 8 is that the unilateral jacking of rack of the present invention extends out in method the schematic diagram being mounted on rack free end on erection support.
In figure: 1, jacking apparatus；2, pivoting support；3, support frame；4, rack；5, drag-line；6, erection support；1-1, bottom
Seat；1-2, jack；1-3, crossbeam；1-4, limited block；1-5, fixes sleeve；1-6, rack ball node.
Specific embodiment
As shown in Figure 1 and Figure 2, jacking apparatus 1 of the invention includes two jack 1-2 arranged side by side, each very heavy
The bottom of top 1-2 is provided with pedestal 1-1, horizontal crossbeam 1-3 is provided at the top of the cylinder shaft of two jack 1-2, in cross
The both ends of beam 1-3 are respectively equipped with limited block 1-4.It is fixed with fixes sleeve 1-5 at the both ends of the bottom surface crossbeam 1-3, jack 1-2's
It is plugged at the top of cylinder shaft on fixes sleeve 1-5.The distance between two jack 1-2 are 1 meter or so, and maximum distance does not surpass
Cross 1.2 meters.Two jack 1-2 of jacking apparatus 1 are gone up and down simultaneously when in use, and crossbeam 1-3 is made to remain horizontality.
For jacking apparatus 1 by the crossbeam 1-3 of two jack 1-2 support levels, crossbeam 1-3 is used to support rack ball node 1-
6, the movement that rack ball node 1-6 can be horizontal on crossbeam 1-3 can smoothly jack lifting by two jack 1-2
Biggish 4 structure of rack is measured, rack ball node 1-6 can be allowed to move while jacking rack 4 along crossbeam 1-3 when in use
Dynamic, jacking apparatus 1 will not be tilted because of rack 4 around the rotation of pivoting support 2 during jacking, in the construction process
There is no need to frequently move for jacking apparatus 1.
As shown in Figures 3 to 8, the unilateral jacking of rack 4 of the invention extends out method and has used above-mentioned jacking apparatus 1, utilizes
Its feature greatly accelerates the speed of construction.The unilateral jacking of rack 4 extend out method the following steps are included:
A. pivoting support 2 and support frame 3 are set up on ground, successively splices the rack of three layers of arc from bottom to up on support frame 3
4, make to be formed between the ball node and pivoting support 2 of 2 one end of pivoting support on rack 4 hingedly, the other end of rack 4 is certainly
By holding；
B. jacking apparatus 1 is set in the free end of the rack 4 spliced, jacking apparatus 1 is very heavy including arranged side by side two
1-2 is pushed up, the bottom of each jack 1-2 is provided with pedestal 1-1, is provided with water at the top of the cylinder shaft of two jack 1-2
Flat crossbeam 1-3 is respectively equipped with limited block 1-4 at the both ends of crossbeam 1-3；
C. rack 4 is jacked up using jacking apparatus 1, rack 4 rotates while rising around pivoting support 2, with jacking apparatus 1
The ball node of crossbeam 1-3 contact slides on crossbeam 1-3；
D. after the free end of rack 4 is jacked up certain height, continue to splice along the free end of rack 4, and new in rack 4
The position for placing jacking apparatus 1 is reserved below the free end of formation；
E. step b to step d is repeated, until the splicing of entire rack 4 finishes, when carrying out the splicing of second half section rack 4, if installation
Dry drag-line 5,5 one end of drag-line are fixed on 4 part of rack of pivoting support 2, and the other end of drag-line 5 is fixed on the second half section
Rack 4 on, drag-line 5 is tensed to adjust the shape of rack 4；
F. after the splicing of entire rack 4, erection support 6 is set up on ground, and the ball node of 4 free end of rack is fixed on
On erection support 6.
After rack 4 is jacked by the jacking apparatus 1 of free end, the jacking apparatus 1 being arranged before is removed and next
It is used when step jacking.And jacking apparatus 1 should ensure that with the initial position of the crossbeam 1-3 ball node contacted when placing close to crossbeam
Limited block 1-4 on 1-3, and during jacking rack 4 ball node along crossbeam 1-3 to the direction of another limited block 1-4
It is mobile.Stop to jack rack 4 when the ball node of rack 4 is mobile and contacts with limited block 1-4, starts the splicing for carrying out rack 4.
The unilateral jacking of rack 4 extends out method and has used above-mentioned jacking apparatus 1, and one end of rack 4 is hinged on pivoting support 2
On, the free end of rack 4 is jacked up into certain height using jacking apparatus 1, continues to splice then along original rack 4, is spliced
Good rack 4 forms new free end, and jacking apparatus 1 is arranged in new free end, by the jacking apparatus 1 of free end by rack
4 continue to jack certain height and continue to splice one section of rack 4, are spliced by repeatedly jacking and splicing rack 4 until by rack 4
Completely, the free end of rack 4 is mounted on erection support 6 by rack 4 after splicing.It will splice using jacking apparatus 1
The process that good rack 4 jacks certain altitude does not need the position of mobile jacking apparatus 1, greatly reduces in work progress and jacks
The mobile number of device 1, shortens the duration of construction.And the work for splicing rack 4 every time is all completed on the ground, no
Aloft work is needed, ensure that the safety of construction.
Claims (6)
1. a kind of jacking apparatus, which is characterized in that including two jack arranged side by side, in the bottom of each jack
It is provided with pedestal, horizontal crossbeam is provided at the top of the cylinder shaft of two jack, is distinguished at the both ends of the crossbeam
Equipped with limited block.
2. jacking apparatus according to claim 1, which is characterized in that be fixed with fixing sleeve at the both ends of the crossbeam bottom surface
Tin, it is plugged in the fixes sleeve at the top of the cylinder shaft of the jack.
3. jacking apparatus according to claim 1, which is characterized in that the distance between two described jack are 1 meter of left side
The right side, and maximum distance is no more than 1.2 meters.
4. a kind of unilateral jacking of rack extends out method, characteristic is, comprising the following steps:
A. pivoting support and support frame are set up on ground, successively splices the rack of three layers of arc from bottom to up on the support frame, makes
It is formed between the ball node and pivoting support of pivoting support one end on rack hingedly, the other end of rack is free end；
B. jacking apparatus is set in the free end of the rack spliced, the jacking apparatus includes two arranged side by side very heavy
Top, is provided with pedestal in the bottom of each jack, is provided at the top of the cylinder shaft of two jack horizontal
Crossbeam is respectively equipped with limited block at the both ends of the crossbeam；
C. rack is jacked up using jacking apparatus, rack rotates while rising around pivoting support, the crossbeam with jacking apparatus
The ball node of contact slides on crossbeam；
D. after the free end of rack is jacked up certain height, continue to splice along the free end of rack, and in the new shape of rack
At free end below reserve place jacking apparatus position；
E. step b to step d is repeated, until the splicing of entire rack finishes, when carrying out the splicing of second half section rack, installation is several
A drag-line, drag-line one end are fixed on the rack part of pivoting support, and the other end of drag-line is fixed on the rack of second half section
On, cable pull is adjusted to the shape of rack；
F. after the splicing of entire rack, erection support is set up on ground, and the ball node of rack free end is fixed on peace
It fills on support.
5. the unilateral jacking of rack according to claim 4 extends out method, which is characterized in that when rack is by the jacking of free end
After device jacking, by the jacking apparatus being arranged before removal and the use when next step jacks.
6. the unilateral jacking of rack according to claim 4 extends out method, which is characterized in that the jacking apparatus is answered when placing
Guarantee limited block of the initial position of the ball node contacted with crossbeam on crossbeam, and ball node edge during jacking rack
Crossbeam it is mobile to the direction of another limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417001.9A CN110093985B (en) | 2019-05-20 | 2019-05-20 | Single-side jacking and outward expanding method for net rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417001.9A CN110093985B (en) | 2019-05-20 | 2019-05-20 | Single-side jacking and outward expanding method for net rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110093985A true CN110093985A (en) | 2019-08-06 |
| CN110093985B CN110093985B (en) | 2021-04-23 |
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ID=67448518
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417001.9A Active CN110093985B (en) | 2019-05-20 | 2019-05-20 | Single-side jacking and outward expanding method for net rack |
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| Country | Link |
|---|---|
| CN (1) | CN110093985B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805138A (en) * | 2019-11-29 | 2020-02-18 | 中国二十冶集团有限公司 | Construction method for jacking two sides of large-span net rack |
| CN111502027A (en) * | 2020-05-19 | 2020-08-07 | 中国二十冶集团有限公司 | Inverted cone jacking method for large-span grid structure |
| CN111636573A (en) * | 2020-06-23 | 2020-09-08 | 中国二十冶集团有限公司 | Construction method for inclination adjustment in external expansion jacking process of net rack |
| CN112796527A (en) * | 2021-01-04 | 2021-05-14 | 上海振华重工(集团)股份有限公司 | Assembly deviation adjusting method for machine room of shore crane |
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| CN207211775U (en) * | 2017-07-24 | 2018-04-10 | 中国京冶工程技术有限公司 | Hydraulic jacking device and grid structure |
| CN207276133U (en) * | 2017-08-24 | 2018-04-27 | 中国海洋石油总公司 | A kind of jacking apparatus |
| CN108643364A (en) * | 2018-05-17 | 2018-10-12 | 中国十九冶集团有限公司 | It is single to encircle gradual rack installation method |
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| EP2610411A2 (en) * | 2010-08-25 | 2013-07-03 | Domingo Bengoa Saez De Cortazar | Semi-prefabricated building and associated construction method |
| CN103803450A (en) * | 2012-11-15 | 2014-05-21 | 五冶集团上海有限公司 | Hydraulic jacking rapid supporting device and method |
| CN206680132U (en) * | 2017-04-29 | 2017-11-28 | 孙国强 | A kind of auto repair tilting crane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805138A (en) * | 2019-11-29 | 2020-02-18 | 中国二十冶集团有限公司 | Construction method for jacking two sides of large-span net rack |
| CN111502027A (en) * | 2020-05-19 | 2020-08-07 | 中国二十冶集团有限公司 | Inverted cone jacking method for large-span grid structure |
| CN111502027B (en) * | 2020-05-19 | 2021-12-07 | 中国二十冶集团有限公司 | Inverted cone jacking method for large-span grid structure |
| CN111636573A (en) * | 2020-06-23 | 2020-09-08 | 中国二十冶集团有限公司 | Construction method for inclination adjustment in external expansion jacking process of net rack |
| CN112796527A (en) * | 2021-01-04 | 2021-05-14 | 上海振华重工(集团)股份有限公司 | Assembly deviation adjusting method for machine room of shore crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110093985B (en) | 2021-04-23 |
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