CN102758522B - Large-sized stand column extra-column construction platform device and method - Google Patents
Large-sized stand column extra-column construction platform device and method Download PDFInfo
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- CN102758522B CN102758522B CN201210246502.3A CN201210246502A CN102758522B CN 102758522 B CN102758522 B CN 102758522B CN 201210246502 A CN201210246502 A CN 201210246502A CN 102758522 B CN102758522 B CN 102758522B
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Abstract
The invention provides a large-sized stand column extra-column construction platform device comprising a tower cylinder. Construction platforms are symmetrically sleeved on the tower cylinder and a cross beam is fixedly mounted at the upper end of the tower cylinder; hoisting pulleys are symmetrically arranged at two ends of the cross beam; a fixed guide pulley and a winch are arranged at two sides of the tower cylinder along the direction of the cross beam; and a steel wire rope of the winch is connected with the construction platforms through a pulley group. With the adoption of the structure, the structure of a construction auxiliary device and a construction method are simplified and constructors can relatively conveniently carry out back chipping on stand column extra-column welding back seams and welding on the back seams, and work including welding seam flaw detection, corrosion resistance, quality inspection and the like also can be realized; and equipment including a welding machine and the like are convenient to move, the construction cost is reduced, the stressing structure of a stand column is optimized, and the safety of a whole lifting device is greatly improved.
Description
Technical field
The present invention relates to large-scale column construction field, such as tower belt crane supply line column, be applicable to operation platform, the construction platform device that the post that also can be applicable to the field similar structures such as building, wind-powered electricity generation is constructed and the method for the operations such as the external welding of column post, anticorrosion, inspection, dismounting outward.
Background technology
Tower belt crane supply line system is often adopted in the concrete pouring construction of large-scale water power hydraulic engineering.Supply line is made up of the belt frame be arranged in continuously on several tower cylinder columns and conveyor, can realize from mixing building to building the concrete continus convergence of position in storehouse and building.Its center pillar structure for several tower cylinders adopt welding or bolt be formed by connecting, have up to hundred meters.Adopt in the structure be welded to connect between tower cylinder, need to carry out in column outside weld seam dorsal suture back chipping and welding dorsal suture, and carry out the operations such as seam inspection, anticorrosion and quality examination.Conventional method system adopts the measure of erection construction framed bent to carry out.Because column is higher, flow chart is many, adopts high framed bent working security poor, and the transfer of the equipment such as welding machine also bothers very much.
Chinese patent 95237557.5 discloses a kind of elevator, working platform stock is had in column upper end, rotating derrick mast hoisting standard knot stock is equipped with, lift platform and column are slidably matched, and lift platform is realized promoting by hoist engine, and Problems existing is, lift platform is positioned at the side of column, the then outer wall that firmly must rely on building of column, i.e. the discontinuity equalization of column, is unsuitable for only for the construction site of column external wall construction operation.And this column is also need to arrange independent guide rail between working platform, is not also suitable for the operating mode of post shore external wall construction operation.
Summary of the invention
Technical problem to be solved by this invention is to provide the outer construction platform device of a kind of large-scale column post and method, and the post that can column self be relied on easily to carry out large-scale column is constructed outward, and construction cost is cheap, and significantly reduces construction safety risk.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the outer construction platform device of a kind of large-scale column post, comprise tower cylinder, operation platform is sleeved on tower cylinder symmetrically, tower cylinder upper end is installed with crossbeam, crossbeam two ends are provided with gin wheel symmetrically, and the direction in tower cylinder both sides along crossbeam is provided with fixed guide pulley and hoist engine, and the wire rope of hoist engine is connected with operation platform by assembly pulley.
Fixed guide pulley walked around by the wire rope of hoist engine, gin wheel is connected with operation platform.
Operation platform is correspondingly provided with movable pulley with gin wheel, fixed guide pulley walked around by the wire rope of hoist engine, gin wheel, movable pulley be connected with crossbeam.
Described operation platform is the structure of two lobes, is connected between two lobes by bolt group.
The multiple rollers coordinated with tower drum outer wall are provided with inside described operation platform.
Described operation platform inner underside is also provided with multiple protective device.
In described protective device, retaining bar is arranged on twisted seat, and retaining bar is provided with voussoir near one end of tower drum outer wall.
When operation platform promotes, retaining bar is inoperative, and when operation platform declines, tower drum outer wall, under the effect of voussoir, holds out against by retaining bar, when multiple protective device holds out against simultaneously, operation platform by locked on the outer wall of tower cylinder.
Retaining bar is also provided with retaining bar wire rope near one end of tower drum outer wall.When tower tube construction completes, press handle, tension retaining bar wire rope, makes the voussoir of retaining bar front end leave tower drum outer wall, thus puts down operation platform.
The method adopting above-mentioned device to carry out large-scale column post to construct outward, comprises the following steps:
One, the operation platform of two lobes is socketed in tower drum outer wall by bolt group;
Two, on tower cylinder top, crossbeam is installed, the corresponding assembly pulley of symmetrical installation, and hoist engine is set in tower cylinder both sides;
Three, the wire rope of hoist engine is with the mode connection construction platform of fixed pulley or movable pulley;
Four, the rise and fall of operation platform are realized by operation hoist engine;
Five, constructor and construction equipment are placed in operation platform and carry out construction operation;
The outer construction operation of large-scale column post is realized by above-mentioned step.
In the scheme optimized, further comprising the steps of: after a construction operation saving tower cylinder shell ring completes, with protective device, operation platform is locked in the outer wall of tower cylinder, auxiliary hanging loads onto the tower cylinder shell ring that face one is saved.
The outer construction platform device of the large-scale column post of one provided by the invention and method, by adopting, operation platform symmetry is sleeved on column tower cylinder outside, on tower cylinder top, crossbeam is installed again, the structure of assembly pulley is set, utilize column tower cylinder self as the support of lifting appliance, the structure of construction auxiliary device with the constructure scheme simplified in comparison of high framed bent, be more convenient for constructor carry out weld seam dorsal suture back chipping and welding dorsal suture, and carry out the operations such as seam inspection, anticorrosion and quality examination, also be convenient to the transfer of the equipment such as welding machine, reduce construction cost.Adopt the structure of symmetrical suit, optimize the force structure of column, significantly improve the safety of whole lifting appliance.And have employed the scheme of double-steel wire rope symmetry lifting, also optimize the force structure of crossbeam, assembly pulley, further increase security performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is overall structure schematic diagram of the present invention, and what adopt in figure is fixed pulley connected mode.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the overall structure schematic diagram of another possibility of the present invention, and what adopt in figure is movable pulley connected mode.
Fig. 4 is the partial enlarged drawing at B place in Fig. 3.
In figure: crossbeam 1, gin wheel 2, tower cylinder 3, weld seam 4, wire rope 5, operation platform 6; fixed guide pulley 7, hoist engine 8, bolt group 9, roller 10, movable pulley 11, protective device 12; voussoir 121, retaining bar 122, twisted seat 123, retaining bar wire rope 124, handle 125.
Detailed description of the invention
As in Fig. 1-3, the outer construction platform device of a kind of large-scale column post, comprise tower cylinder 3, operation platform 6 is sleeved on tower cylinder 3 symmetrically, tower cylinder 3 upper end is installed with crossbeam 1, crossbeam 1 two ends are provided with gin wheel 2 symmetrically, and the direction in tower cylinder 3 both sides along crossbeam 1 is provided with fixed guide pulley 7 and hoist engine 8, and the wire rope of hoist engine 8 is connected with operation platform 6 by assembly pulley.
In optional scheme, as in Fig. 1, fixed guide pulley 7 walked around by the wire rope of hoist engine 8, gin wheel 2 is connected with operation platform 6.Constitute a fixed pulley connected mode thus.
In another optional scheme, as in Fig. 3, operation platform 6 is correspondingly provided with movable pulley 11 with gin wheel 2, fixed guide pulley 7 walked around by the wire rope of hoist engine 8, gin wheel 2, movable pulley 11 be connected with crossbeam 1.Constitute a movable pulley connected mode thus.
As shown in Figure 2, in the scheme of optimization, described operation platform 6 is the structure of two lobes, is connected between two lobes by bolt group 9.The suit of structure constructability platform 6 and dismounting thus, and this structure also ensure that operation platform with tower cylinder 3 for axle center forms symmetry, thus optimize column, i.e. the force structure of tower cylinder 3, adds the safety of integral lifting apparatus.
In the scheme optimized, as shown in Figure 2, be provided with the multiple rollers 10 coordinated with tower cylinder 3 outer wall inside described operation platform 6, roller adopts rubber structure, can along tower drum outer wall scroll-up/down.To reduce the resistance of operation platform 6 in lifting process.On operation platform 6, also design and installation has safe guard bar hurdle etc.
As in Fig. 3, described operation platform 6 inner underside is also provided with multiple protective device 12.Operation platform 6, for when not having wire rope or wire cable rupture, is locked in the outer wall of tower cylinder 3 by protective device 12.Protective device 12 in this example is made up of the mechanism of similar ratchet.
Concrete structure is as follows:
In described protective device 12, as shown in Figure 3,4, retaining bar 122 is arranged on twisted seat 123, and retaining bar 122 is provided with voussoir 121 near one end of tower cylinder 3 outer wall, and the voussoir 121 in this example adopts quality of rubber materials.When operation platform 6 promotes under the traction of hoist engine 8; retaining bar 122 is inoperative; and when operation platform 6 declines; retaining bar 122 is under the effect of voussoir 121; tower cylinder 3 outer wall is held out against, when multiple protective device 12 holds out against simultaneously, operation platform 6 by locked on the outer wall of tower cylinder 3; structure thus, further increases security performance.
Retaining bar 122 is also provided with retaining bar wire rope 124 away from one end of tower cylinder 3 outer wall.Structure thus, when tower cylinder 3 has been constructed, has pressed handle 125, and tension retaining bar wire rope 124, makes the voussoir 121 of retaining bar 122 front end leave tower cylinder 3 outer wall, thus be convenient to put down operation platform 6.
The method adopting above-mentioned device to carry out large-scale column post to construct outward, comprises the following steps:
One, the operation platform 6 of two lobes is socketed in tower cylinder 3 outer wall by bolt group 9;
Two, on tower cylinder 3 top, crossbeam 1 is installed, the corresponding assembly pulley of symmetrical installation, such as, fixed pulley connected mode in Fig. 1, Fig. 3 or movable pulley connected mode, and hoist engine 8 is set in tower cylinder 3 both sides;
Three, the wire rope 5 of hoist engine 8 is with the mode connection construction platform 6 of fixed pulley or movable pulley;
Four, the rise and fall of operation platform 6 are realized by operation hoist engine;
Five, constructor and construction equipment are placed on operation platform 6 and carry out construction operation;
Realize large-scale column post by above-mentioned step to construct outward.
In the scheme optimized, further comprising the steps of: after a construction operation saving tower cylinder 3 shell ring completes, with protective device 12, operation platform 6 is locked in the outer wall of tower cylinder 3, auxiliary hanging loads onto tower cylinder 3 shell ring that face one is saved.Method thus, puts down whole operation platform 6 when noting be used in the tower cylinder 3 of a lifting joint above, save the engineering time, and auxiliary lifting is also conducive to improving efficiency of construction on operation platform 6.
Claims (7)
1. the one kind large-scale outer construction platform device of column post, comprise tower cylinder (3), it is characterized in that: operation platform (6) is sleeved on tower cylinder (3) symmetrically, tower cylinder (3) upper end is installed with crossbeam (1), crossbeam (1) two ends are provided with gin wheel (2) symmetrically, be provided with fixed guide pulley (7) and hoist engine (8) in tower cylinder (3) both sides along the direction of crossbeam (1), the wire rope of hoist engine (8) is connected with operation platform (6) by assembly pulley;
Described operation platform (6) inner side is provided with the multiple rollers (10) coordinated with tower cylinder (3) outer wall;
Described operation platform (6) inner underside is also provided with multiple protective device (12);
In described protective device (12), retaining bar (122) is arranged on twisted seat (123), and retaining bar (122) is provided with the voussoir (121) of quality of rubber materials near one end of tower cylinder (3) outer wall;
When operation platform (6) promotes; retaining bar (122) is inoperative; and when operation platform (6) declines; retaining bar (122) is under the effect of voussoir (121); tower cylinder (3) outer wall is held out against; when multiple protective device (12) holds out against simultaneously, operation platform (6) by locked on the outer wall of tower cylinder (3).
2. the outer construction platform device of the large-scale column post of one according to claim 1, is characterized in that: fixed guide pulley (7) walked around by the wire rope of hoist engine (8), gin wheel (2) is connected with operation platform (6).
3. the outer construction platform device of the large-scale column post of one according to claim 1, it is characterized in that: the upper and gin wheel (2) of operation platform (6) is correspondingly provided with movable pulley (11), fixed guide pulley (7) walked around by the wire rope of hoist engine (8), gin wheel (2), movable pulley (11) be connected with crossbeam (1).
4. the outer construction platform device of the large-scale column post of the one according to claim 1,2 or 3, is characterized in that: described operation platform (6) is the structure of two lobes, is connected between two lobes by bolt group (9).
5. the outer construction platform device of the large-scale column post of one according to claim 1, is characterized in that: retaining bar (122) is also provided with retaining bar wire rope (124) away from one end of tower cylinder (3) outer wall; When tower cylinder (3) has been constructed, press handle (125), tension retaining bar wire rope (124), makes the voussoir (121) of retaining bar (122) front end leave tower cylinder (3) outer wall, thus puts down operation platform (6).
6. the method adopting the device described in any one of claim 1-5 to carry out large-scale column post to construct outward, is characterized in that comprising the following steps:
One, the operation platform (6) of two lobes is socketed in tower cylinder (3) outer wall by bolt group (9);
Two, on tower cylinder (3) top, crossbeam (1) is installed, the corresponding assembly pulley of symmetrical installation, and hoist engine (8) is set in tower cylinder (3) both sides;
Three, the wire rope (5) of hoist engine (8) is with the mode connection construction platform (6) of fixed pulley or movable pulley;
Four, the rise and fall of operation platform (6) are realized by operation hoist engine;
Five, constructor and construction equipment are placed in operation platform (6) and carry out construction operation;
The outer construction operation of large-scale column post is realized by above-mentioned step.
7. a kind of large-scale column post according to claim 6 method of constructing outward; it is characterized in that further comprising the steps of: after a construction operation saving tower cylinder (3) shell ring completes; with protective device (12), operation platform (6) is locked in the outer wall of tower cylinder (3), auxiliary hanging loads onto tower cylinder (3) shell ring that face one is saved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210246502.3A CN102758522B (en) | 2012-07-17 | 2012-07-17 | Large-sized stand column extra-column construction platform device and method |
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| CN201210246502.3A CN102758522B (en) | 2012-07-17 | 2012-07-17 | Large-sized stand column extra-column construction platform device and method |
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| CN102758522A CN102758522A (en) | 2012-10-31 |
| CN102758522B true CN102758522B (en) | 2015-04-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103574158B (en) * | 2013-11-19 | 2015-05-20 | 葛洲坝集团第二工程有限公司 | Super-large diameter pressure steel tube inclined shaft three-hanging-point installation method |
| CN110395672B (en) * | 2019-08-23 | 2024-04-05 | 贵州百事通建筑安装工程有限公司 | Simple lifting device for column construction column of antiaircraft gun billboard |
| CN111519546B (en) * | 2020-05-26 | 2022-02-08 | 武船重型工程股份有限公司 | Three-dimensional application engineering frame of steel anchor beam |
| CN112479109B (en) * | 2020-12-10 | 2024-04-12 | 周明霞 | Hydraulic lifting device for masonry platform |
| CN114457999A (en) * | 2022-03-10 | 2022-05-10 | 安徽伟宏钢结构集团股份有限公司 | Movable operating platform for frame steel structure |
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| EP1398430A1 (en) * | 2002-09-12 | 2004-03-17 | Sky Man International | Device for working at high locations |
| US6868943B1 (en) * | 2002-02-13 | 2005-03-22 | Vanacker, Jr. Henry | Safety systems and methods for bosun's chairs |
| CN201943333U (en) * | 2010-12-21 | 2011-08-24 | 青岛安装建设股份有限公司 | Circular lift operating deck for stand storage tank |
| CN202007523U (en) * | 2011-02-18 | 2011-10-12 | 中国水利水电第七工程局成都水电建设工程有限公司 | Construction lifting platform of shaft |
| CN202670961U (en) * | 2012-07-17 | 2013-01-16 | 中国葛洲坝集团股份有限公司 | External construction platform device for large-sized vertical column |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6868943B1 (en) * | 2002-02-13 | 2005-03-22 | Vanacker, Jr. Henry | Safety systems and methods for bosun's chairs |
| EP1398430A1 (en) * | 2002-09-12 | 2004-03-17 | Sky Man International | Device for working at high locations |
| CN201943333U (en) * | 2010-12-21 | 2011-08-24 | 青岛安装建设股份有限公司 | Circular lift operating deck for stand storage tank |
| CN202007523U (en) * | 2011-02-18 | 2011-10-12 | 中国水利水电第七工程局成都水电建设工程有限公司 | Construction lifting platform of shaft |
| CN202670961U (en) * | 2012-07-17 | 2013-01-16 | 中国葛洲坝集团股份有限公司 | External construction platform device for large-sized vertical column |
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