CN114809580A - Self-lifting method of elevator shaft construction operation platform - Google Patents
Self-lifting method of elevator shaft construction operation platform Download PDFInfo
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- CN114809580A CN114809580A CN202210511017.8A CN202210511017A CN114809580A CN 114809580 A CN114809580 A CN 114809580A CN 202210511017 A CN202210511017 A CN 202210511017A CN 114809580 A CN114809580 A CN 114809580A
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a self-lifting method of an elevator shaft construction operating platform, which solves the problems of low lifting efficiency and poor stability of the operating platform in the existing elevator shaft; the elevator shaft comprises a poured lower floor, a middle floor and an upper floor, wherein wall pouring split bolt cross-connecting holes are formed in the walls of the elevator shafts corresponding to the floors of each floor, three-leg-shaped support fixing high-strength bolts are arranged in the wall pouring split bolt cross-connecting holes, the three-leg-shaped support fixing high-strength bolts penetrate through the walls of the elevator shafts corresponding to the floors of the lower floor, the three-leg-shaped supports are fixed on the inner side vertical surfaces of the walls of the corresponding elevator shafts, support horizontal hinge pins are arranged on the three-leg-shaped supports, box-shaped integral frames (8) are arranged on the four lower-layer three-leg-shaped supports (6), and chain blocks (14) are connected between the vertically corresponding lifting rings (15) and the upper-layer support horizontal hinge pins (13); the self-lifting is gradually and gradually carried out layer by layer, and the self-lifting device has the characteristic of convenient operation.
Description
Technical Field
The invention relates to a platform support for formwork erection in civil engineering construction, in particular to an integral self-lifting platform device capable of completing formwork erection on the inner side of an elevator shaft wall and a lifting method thereof.
Background
In the concrete pouring of a cast-in-place high-rise shear wall frame structure building, the frame body of the whole building is integrally poured from bottom to top in a layered mode, wherein the support of an inner side template of the elevator shaft concrete pouring wall body is an important link in the construction, and the support needs to be completed simultaneously with other concrete pouring templates on the same floor slab; after all the templates on the same layer are erected, pouring concrete on the layer at one time, and after the poured concrete on the layer reaches the form removal strength, removing the templates on the layer, and then erecting the concrete poured templates on the upper layer; the template erection of the inner wall of the elevator shaft is synchronous with the templates on the same layer; the existing elevator shaft building platform is characterized in that a cantilever bracket extending into an elevator shaft is firstly erected on a finished floor plate, a template supporting platform bracket of a wall body in the elevator shaft is erected on the cantilever bracket, the height of the template supporting platform bracket reaches the position of pouring the wall body in the elevator shaft, a field constructor stands on the template supporting platform bracket, and an inner side template of the concrete pouring wall body of the elevator shaft is erected; the bracket with the structure requires that a template supporting platform bracket erected on the cantilever bracket cannot be too high so as to avoid the instability of the bracket; however, with the continuous rising of the floor pouring, new cantilever frames are required to be continuously arranged on the higher floor plates along with the rising of the floor, and the templates are repeatedly erected to erect the platform supports, so that the method for erecting the templates in the inner side of the elevator shaft wall body has the defect that the platforms are required to be repeatedly erected for many times, and the cantilever frames extending into the floor also have the defect of influencing the normal construction in the floor, and are time-consuming and labor-consuming; in the prior art, an elevator shaft construction platform is designed to be of an integral lifting type, the whole lifting platform is lifted by a tower crane in the air and supported on a cross beam of a poured elevator door opening through an inclined strut at the bottom, the inner side end of the upper part of the whole lifting platform is abutted against the inner side wall of an elevator shaft, the balance degree of the platform is poor, and the platform surface is in an inclined state, so that the erection of a support on the platform is influenced; in addition, whole platform weight is great, and at the promotion in-process, still there is easy to collide with the elevartor shaft inner wall emergence, causes the defect of inner wall damage, in addition, promotes through aerial tower crane, has the problem that the hoist and mount expense is high.
Disclosure of Invention
The invention provides a self-lifting method of an elevator shaft construction operating platform, which solves the problems of low lifting efficiency and poor stability of the operating platform in the existing elevator shaft.
The invention solves the technical problems by the following technical scheme:
a self-lifting operation platform device for elevator shaft construction comprises a poured lower floor corresponding to an elevator shaft, a poured middle floor corresponding to an elevator shaft, a poured upper floor corresponding to an elevator shaft, a chain block and a box type integral frame, wherein a lower wall pouring split bolt through hole is formed in a lower wall corresponding to an elevator shaft wall, a middle wall pouring split bolt through hole is formed in a middle floor corresponding to an elevator shaft wall, an upper wall pouring split bolt through hole is formed in an upper wall corresponding to an elevator shaft wall, a lower three-leg support fixing high-strength bolt is arranged in the lower wall pouring split bolt through hole, a lower three-leg support fixing high-strength bolt penetrates through the lower floor corresponding to the elevator shaft wall, fixing a lower layer three-leg support on the inner vertical surface of the wall body of the elevator shaft corresponding to the lower floor, wherein a lower layer support horizontal pin shaft is arranged on the lower layer three-leg support, and a lower layer three-leg support is arranged on the wall body of the elevator shaft corresponding to four lower floor layers of the elevator shaft corresponding to the lower floor, and the four lower layer three-leg supports are arranged on the same horizontal plane; the upper-layer three-leg-shaped support fixing high-strength bolt is arranged in a split bolt penetrating hole poured in an upper-layer wall body, the upper-layer three-leg-shaped support fixing high-strength bolt penetrates through an upper-layer floor corresponding to an elevator shaft wall body, the upper-layer three-leg-shaped support is fixed on an inner side vertical surface of the elevator shaft wall body corresponding to an upper-layer floor, an upper-layer support horizontal pin shaft is arranged on the upper-layer three-leg-shaped support, an upper-layer three-leg-shaped support is arranged on each of four upper-layer floor corresponding to the elevator shaft wall body corresponding to the upper-layer floor corresponding to the elevator shaft, and the four upper-layer three-leg-shaped supports are arranged on the same horizontal plane; the box-type integral frame is arranged on the four lower-layer tripod-shaped supports, the four bottom end cross beams of the box-type integral frame are all provided with hanging rings extending inwards, the hanging rings on the bottom end cross beams and the upper-layer support horizontal pin shafts are arranged in a vertically corresponding mode, and a chain block is connected between the hanging rings which vertically correspond and the upper-layer support horizontal pin shafts.
Four top end beams of the box-type integral frame are all provided with turning plates.
The self-lifting method of the elevator shaft construction operation platform is characterized by comprising the following steps:
firstly, operating four chain blocks in a box-type integral frame at the same time to enable the box-type integral frame to rise stably in an elevator shaft;
secondly, stopping operating the four chain blocks when the bottom end of the box-type integral frame rises to a position higher than a middle-layer wall body and pouring split bolt through holes, so that the box-type integral frame stays in the elevator shaft;
thirdly, removing the four lower-layer three-leg-shaped supports, fixing high-strength bolts on the removed lower-layer three-leg-shaped supports, respectively installing the high-strength bolts in the middle-layer wall pouring split bolt through holes, and fixing the lower-layer three-leg-shaped supports on the walls of the elevator shaft corresponding to the four middle-layer floors in the elevator shaft corresponding to the middle-layer floors to form middle-layer three-leg-shaped supports;
and fourthly, synchronously operating the four chain blocks to enable the box-type integral frame to descend and to be supported on the four middle-layer tripod-shaped supports, and completing integral self-lifting of the box-type integral frame.
The integral platform frame can be gradually and automatically lifted layer by layer along with the rising of the main body structure, does not need the cooperation of a tower crane, and has the characteristics of convenient operation, high construction speed, less occupied space and guaranteed safe operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view showing the construction of the box-type integrated frame 8 according to the present invention when it is lifted to a higher elevator shaft;
fig. 3 is a schematic structural view of the box-type integrated frame 8 of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a self-lifting operation platform device for elevator shaft construction comprises a poured lower floor corresponding to an elevator shaft 1, a poured middle floor corresponding to an elevator shaft 2, a poured upper floor corresponding to an elevator shaft 3, a chain block 14 and a box type integral frame 8, wherein a lower wall pouring split bolt through hole 4 is formed in a lower floor corresponding to an elevator shaft wall of the elevator shaft 1, a middle wall pouring split bolt through hole 9 is formed in a middle floor corresponding to an elevator shaft wall of the elevator shaft 2, an upper wall pouring split bolt through hole 10 is formed in an upper floor corresponding to an elevator shaft wall of the elevator shaft 3, a lower three-leg support fixing high-strength bolt 5 and a lower three-leg support fixing high-strength bolt 5 are arranged in the lower wall pouring split bolt through hole 4, after the elevator shaft wall body corresponding to the lower floor is penetrated, the lower-layer three-foot-shaped support 6 is fixed on the inner vertical surface of the elevator shaft wall body corresponding to the lower floor, a lower-layer support horizontal pin shaft 7 is arranged on the lower-layer three-foot-shaped support 6, one lower-layer three-foot-shaped support 6 is arranged on the elevator shaft wall body corresponding to the four lower floors of the elevator shaft 1 corresponding to the lower floor, and the four lower-layer three-foot-shaped supports 6 are arranged on the same horizontal plane; an upper-layer three-leg-shaped support fixing high-strength bolt 11 is arranged in an upper-layer wall body pouring split bolt penetrating hole 10, the upper-layer three-leg-shaped support fixing high-strength bolt 11 penetrates through an upper-layer floor corresponding to an elevator shaft wall body, an upper-layer three-leg-shaped support 12 is fixed on an inner side elevation of the elevator shaft wall body corresponding to an upper-layer floor, an upper-layer support horizontal pin shaft 13 is arranged on the upper-layer three-leg-shaped support 12, an upper-layer three-leg-shaped support 12 is arranged on four upper-layer floor corresponding to the elevator shaft wall body of the elevator shaft 3 on the upper-layer floor, and the four upper-layer three-leg-shaped supports 12 are arranged on the same horizontal plane; the box-type integral frame 8 is arranged on the four lower-layer three-legged supports 6, the lifting rings 15 extending inwards are arranged on four bottom end cross beams of the box-type integral frame 8, the lifting rings 15 on the bottom end cross beams and the upper-layer support horizontal pin shafts 13 are arranged in a vertically corresponding mode, and the chain blocks 14 are connected between the lifting rings 15 corresponding vertically and the upper-layer support horizontal pin shafts 13.
Four top end beams of the box-type integral frame 8 are all provided with turning plates.
The self-lifting method of the elevator shaft construction operation platform is characterized by comprising the following steps:
firstly, simultaneously operating four chain blocks 14 in the box-type integral frame 8 to ensure that the box-type integral frame 8 stably rises in an elevator shaft;
secondly, when the bottom end of the box-type integral frame 8 rises to a position higher than a middle-layer wall body and a split bolt through hole 9 is poured, stopping operating the four chain blocks 14 to enable the box-type integral frame 8 to stay in the elevator shaft;
thirdly, dismantling the four lower-layer tripod-shaped supports 6, fixing high-strength bolts 5 on the dismantled lower-layer tripod-shaped supports, respectively installing the supports in the middle-layer wall pouring split bolt through holes 9, and fixing the lower-layer tripod-shaped supports 6 on the walls of the elevator shaft corresponding to the four middle-layer floors in the elevator shaft 2 corresponding to the middle-layer floors to form middle-layer tripod-shaped supports 16;
and fourthly, synchronously operating the four chain blocks 14 to enable the box-type integral frame 8 to descend and be supported on the four middle-layer tripod-shaped supports 16 to complete integral self-lifting of the box-type integral frame 8.
Turning plates are arranged on four top end beams of the box-type integral frame 8; the gap between the box-type integral frame 8 and the elevator shaft wall is plugged by turning the turning plate outwards.
Claims (2)
1. A self-lifting method of an elevator shaft construction operation platform comprises a poured lower floor corresponding to an elevator shaft (1), a poured middle floor corresponding to an elevator shaft (2), a poured upper floor corresponding to an elevator shaft (3), a hand-pulling block (14) and a box type integral frame (8), wherein a lower wall pouring split bolt through hole (4) is arranged on a lower floor corresponding to an elevator shaft wall of the elevator shaft (1) of the lower floor, a middle wall pouring split bolt through hole (9) is arranged on a middle floor corresponding to an elevator shaft wall of the elevator shaft (2), an upper wall pouring split bolt through hole (10) is arranged on an upper floor corresponding to an elevator shaft wall of the elevator shaft (3) of the upper floor, a lower three-foot-shaped support fixing high-strength bolt (5) is arranged in the lower wall pouring split bolt through hole (4), the lower-layer three-leg-shaped support fixing high-strength bolt (5) penetrates through a wall body of the elevator shaft corresponding to a lower-layer floor, the lower-layer three-leg-shaped support (6) is fixed on an inner side vertical surface of the wall body of the elevator shaft corresponding to the lower-layer floor, a lower-layer support horizontal pin shaft (7) is arranged on the lower-layer three-leg-shaped support (6), the lower-layer three-leg-shaped support (6) is arranged on the wall body of the elevator shaft corresponding to four lower-layer floors of the elevator shaft (1) corresponding to the lower-layer floor, and the four lower-layer three-leg-shaped supports (6) are arranged on the same horizontal plane; an upper-layer three-leg-shaped support fixing high-strength bolt (11) is arranged in an upper-layer wall body pouring split bolt penetrating hole (10), the upper-layer three-leg-shaped support fixing high-strength bolt (11) penetrates through an upper-layer floor corresponding to an elevator shaft wall body, an upper-layer three-leg-shaped support (12) is fixed on an inner side vertical surface of the elevator shaft wall body corresponding to an upper-layer floor, an upper-layer support horizontal pin shaft (13) is arranged on the upper-layer three-leg-shaped support (12), four upper-layer floors corresponding to the elevator shaft (3) on the upper-layer floor correspond to the elevator shaft wall body, one upper-layer three-leg-shaped support (12) is arranged, and the four upper-layer three-leg-shaped supports (12) are arranged on the same horizontal plane; a box-shaped integral frame (8) is arranged on the four lower-layer three-legged supports (6), hanging rings (15) extending inwards are arranged on four bottom end cross beams of the box-shaped integral frame (8), the hanging rings (15) on the bottom end cross beams are vertically arranged corresponding to upper-layer support horizontal pin shafts (13), and a chain block (14) is connected between the vertically corresponding hanging rings (15) and the upper-layer support horizontal pin shafts (13); the method is characterized by comprising the following steps:
firstly, in a box-type integral frame (8), four chain blocks (14) are operated simultaneously to ensure that the box-type integral frame (8) rises stably in an elevator shaft;
secondly, stopping operating the four chain blocks (14) when the bottom end of the box-type integral frame (8) rises to a position higher than a middle-layer wall body and is poured with split bolt cross-connecting holes (9), so that the box-type integral frame (8) stays in the elevator shaft;
thirdly, removing the four lower-layer tripod-shaped supports (6), fixing high-strength bolts (5) on the removed lower-layer tripod-shaped supports, respectively installing the fixed high-strength bolts in the middle-layer wall pouring split bolt cross holes (9), and fixing the lower-layer tripod-shaped supports (6) on the elevator shaft walls corresponding to the four middle-layer floors in the elevator shaft (2) corresponding to the middle-layer floors to form middle-layer tripod-shaped supports (16);
and fourthly, synchronously operating the four hand chain blocks (14) to enable the box-type integral frame (8) to descend and be supported on the four middle-layer tripod-shaped supports (16) to complete integral self-lifting of the box-type integral frame (8).
2. The self-lifting method of an elevator shaft construction operating platform according to claim 1, characterized in that turning plates are arranged on four top end beams of the box-type integral frame (8); the gap between the box-type integral frame (8) and the elevator shaft wall is sealed by turning the turning plate outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511017.8A CN114809580A (en) | 2022-05-12 | 2022-05-12 | Self-lifting method of elevator shaft construction operation platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511017.8A CN114809580A (en) | 2022-05-12 | 2022-05-12 | Self-lifting method of elevator shaft construction operation platform |
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| CN114809580A true CN114809580A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210511017.8A Pending CN114809580A (en) | 2022-05-12 | 2022-05-12 | Self-lifting method of elevator shaft construction operation platform |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015706A (en) * | 2012-11-08 | 2013-04-03 | 广西建工集团第五建筑工程有限责任公司 | System for lifting elevator shaft mold and construction method for cast-in-place wall of elevator shaft |
| CN203097253U (en) * | 2013-02-27 | 2013-07-31 | 青岛一建集团有限公司 | Elevator shaft triangular support type formwork platform |
| CN105696788A (en) * | 2014-11-25 | 2016-06-22 | 南通昌荣机电有限公司 | Lifting elevator liftway formwork system |
| CN210767786U (en) * | 2019-09-02 | 2020-06-16 | 中建八局第一建设有限公司 | Self-lifting operating platform for construction in elevator shaft |
| CN112360136A (en) * | 2020-11-24 | 2021-02-12 | 山西三建集团有限公司 | Formwork support frame body of concrete pouring wall body of elevator shaft and erection method thereof |
| CN215564323U (en) * | 2021-07-22 | 2022-01-18 | 中铁建工集团有限公司 | Elevator shaft operating platform |
-
2022
- 2022-05-12 CN CN202210511017.8A patent/CN114809580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015706A (en) * | 2012-11-08 | 2013-04-03 | 广西建工集团第五建筑工程有限责任公司 | System for lifting elevator shaft mold and construction method for cast-in-place wall of elevator shaft |
| CN203097253U (en) * | 2013-02-27 | 2013-07-31 | 青岛一建集团有限公司 | Elevator shaft triangular support type formwork platform |
| CN105696788A (en) * | 2014-11-25 | 2016-06-22 | 南通昌荣机电有限公司 | Lifting elevator liftway formwork system |
| CN210767786U (en) * | 2019-09-02 | 2020-06-16 | 中建八局第一建设有限公司 | Self-lifting operating platform for construction in elevator shaft |
| CN112360136A (en) * | 2020-11-24 | 2021-02-12 | 山西三建集团有限公司 | Formwork support frame body of concrete pouring wall body of elevator shaft and erection method thereof |
| CN215564323U (en) * | 2021-07-22 | 2022-01-18 | 中铁建工集团有限公司 | Elevator shaft operating platform |
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Application publication date: 20220729 |