CN109440985B - Hydraulic synchronous lifting system for super large curtain wall unit of super high-rise building and construction method thereof - Google Patents
Hydraulic synchronous lifting system for super large curtain wall unit of super high-rise building and construction method thereof Download PDFInfo
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- CN109440985B CN109440985B CN201811592312.0A CN201811592312A CN109440985B CN 109440985 B CN109440985 B CN 109440985B CN 201811592312 A CN201811592312 A CN 201811592312A CN 109440985 B CN109440985 B CN 109440985B
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a hydraulic synchronous lifting system for an ultra-large curtain wall unit of an ultra-high-rise building, which comprises a jig frame, a curtain wall connecting piece, a hydraulic lifter supporting steel frame, a hydraulic lifter, a wind cable wind tie mechanism, a laser ranging sensor, a total station and a travel recorder. All the components are processed to semi-finished products by adopting factories and then transported to the site for assembly, so that the quality is more controllable, welding is not needed on the site, the construction efficiency is improved, the construction period is shortened, the cost is saved, the labor is saved, and the safety and the reliability are realized.
Description
Technical Field
The invention relates to the technical field of curtain wall lifting, in particular to a hydraulic synchronous lifting system for an ultra-large curtain wall unit of an ultra-high-rise building and a construction method thereof.
Background
At present, the country advocates the assembly type construction, and the curtain wall of the building decoration industry has increasingly tended to mature for the application and development of the assembly type. The technology of hoisting the unit plates of the curtain wall of the high-rise and super high-rise buildings has been constructed for many years. However, in the whole curtain wall industry, the operation platform is still erected at the bottom of the suspended ceiling for operation in the construction measure of the suspended ceiling at the super high-rise.
The existing super high-rise installation technology in the curtain wall industry is generally to set up a measure platform, including a hanging basket platform or a cableway platform. The construction technology has high safety risk, long construction period, potential safety hazard when being built by measures, high personnel operation difficulty, high cost, more closing-in, and difficult quality guarantee.
Disclosure of Invention
The invention aims to provide a hydraulic synchronous lifting system of an ultra-high-rise building ultra-large curtain wall unit and a construction method thereof, which are used for solving the technical problems that a hanging basket platform or a cableway platform needs to be erected when the ultra-high-rise curtain wall is installed, the safety risk of construction technology is high, the construction period is long, potential safety hazards exist in erection, the operation difficulty of personnel is high, the cost is high, more closing-up exists, and the quality is difficult to guarantee.
In order to solve the technical problems, the invention provides a hydraulic synchronous lifting system for an ultra-large curtain wall unit of an ultra-high-rise building, which comprises the following components:
the jig frame is supported at the bottom of the arc curtain wall unit, and the top of the jig frame is provided with an adjustable supporting roof;
the curtain wall connecting piece is arranged on the inner side wall of the arc curtain wall unit;
the hydraulic lifter supports the steel frame and is arranged above the arc curtain wall units;
the hydraulic lifter is arranged on the hydraulic lifter supporting steel frame, and a steel wire rope is connected between the hydraulic lifter and the curtain wall connecting piece;
the wind-proof cable wind tie mechanism comprises a cableway vertically arranged along the main body structure and a cable wind rope arranged between the cableway and the arc-shaped curtain wall unit, wherein one end of the cable wind rope connected with the cableway is provided with a pair of hooks;
the laser ranging sensors are arranged on the skirt building roofs at four corners of the arc curtain wall units;
the total station is arranged on the main body structure;
and the travel recorder is arranged at the top of the hydraulic lifter.
Preferably, the hydraulic lifter support steel frame includes:
the supporting rib plate is arranged on the main body structure;
the main support channel steel is arranged on the support rib plate;
the cross beams are arranged at the top ends of the main supporting channel steel in parallel;
and the connecting plates are connected between the cross beams.
Preferably, the jig frame comprises:
the middle jig frame of the curtain wall unit is arranged along the central axis of the arc-shaped curtain wall unit and is a lattice member;
the curtain wall unit end jig frame is arranged on two sides of the curtain wall unit middle jig frame and is formed by assembling a plurality of lattice members.
Preferably, the curtain wall unit end jig comprises:
the first vertical trusses are arranged at two sides of the jig frame in the middle of the curtain wall unit at intervals along the longitudinal direction;
the second vertical trusses are arranged at the outer sides of the first vertical trusses at intervals in the longitudinal direction, and the heights of the second vertical trusses exceed the heights of the first vertical trusses;
the transverse truss is connected between the top of the first vertical truss and the second vertical truss;
the longitudinal trusses are connected between the tops of the first vertical trusses and between the tops of the second vertical trusses;
lumbar support disposed between the first vertical trusses and between the second vertical trusses and supported at the bottom of the longitudinal trusses.
Preferably, the horizontal direction included angle between the cable rope and the curtain wall connecting piece is 60-90 degrees, and the vertical direction included angle between the cable rope and the curtain wall connecting piece is 60-90 degrees.
Preferably, the included angle between the centers of circles corresponding to the adjacent two curtain wall connectors and the arc-shaped curtain wall units is 90 degrees to 147 degrees.
In addition, the invention also provides a construction method of the hydraulic synchronous lifting system for the super large curtain wall unit of the super high-rise building, which is characterized by comprising the following steps of:
step one, deeply designing drawings of a jig frame, curtain wall connectors, a hydraulic lifter support steel frame, hanging point arrangement and a wind cable wind-proof drawknot mechanism, and preparing construction materials;
step two, erecting an assembly platform on site, assembling a jig frame on a skirt building roof below a lifting point, hoisting a curtain wall unit steel frame onto the jig frame after the curtain wall unit steel frame is assembled on the assembly platform, installing a curtain wall unit aluminum keel and a curtain wall unit panel, and installing a curtain wall connecting piece at a lower anchor point position;
thirdly, vertically arranging a cableway along the main body structure, installing a cable rope on the arc curtain wall unit, and hanging the tail end of the cable rope on the cableway and sliding up and down along the cableway;
assembling a hydraulic lifter supporting steel frame and hanging the hydraulic lifter supporting steel frame on a main body structure;
installing a hydraulic lifter at the upper anchor point position on the hydraulic lifter supporting steel frame, connecting one end of the steel wire rope with the hydraulic lifter, and connecting the other end of the steel wire rope with the curtain wall connecting piece;
step six, installing a travel recorder at the top of the hydraulic lifter, arranging a total station on the main structure, and arranging laser ranging sensors on the skirt building roofs at four corners of the arc curtain wall units;
step seven, checking and accepting each implementation content in the step one to the step six, and arranging personnel at the upper anchor point and the lower anchor point for monitoring;
step eight, carrying out grading loading on the arc curtain wall units until the arc curtain wall units are lifted to be completely separated from the jig frame;
step nine, continuously lifting the arc curtain wall units and installing an adjustable supporting roof;
step ten, formally lifting, namely monitoring data of a laser ranging sensor, a total station, a travel recorder and a hydraulic lifter, and ensuring accurate and safe lifting;
and step eleven, stopping lifting when the arc curtain wall unit is lifted to be 0.5-1.5 m away from the main body structure, checking each position of the arc curtain wall unit and the main body structure, and continuing lifting at a reduced speed until the connecting pieces on the arc curtain wall unit and the main body structure are accurately butted and fixed.
Preferably, before the step seven, for the arc-shaped curtain wall units not right below the lifting point, the arc-shaped curtain wall units need to be lifted to be separated from the jig frame, a temporary backing plate is placed on the jig frame, and the cable ropes are horizontally tied and are aligned to the position right below the lifting point.
Preferably, the specific method for step-wise loading the arc-shaped curtain wall units in the step eight is that the pressure values of the hydraulic cylinders of the hydraulic lifters at each lifting point are increased step by step, and are sequentially 20%, 40%, 60%, 70% and 80%, and the loading can be continued to 90%, 95% and 100% until all the lifting arc-shaped curtain wall units are separated from the jig frame under the condition that no abnormality exists in each part.
Preferably, when one hook is lifted to the pulling node in the step ten, the other hook is hooked on the cableway above the pulling node, then the hook below is loosened, and the cable rope continues to slide upwards.
Compared with the prior art, the invention has the characteristics and beneficial effects that:
(1) According to the invention, a hanging basket platform or a cableway platform is not required to be erected, a lattice type jig frame is assembled on the ground, a curtain wall unit is assembled on the jig frame, and then the curtain wall unit is integrally lifted. All the components are processed to semi-finished products by adopting factories and then transported to the site for assembly, so that the quality is more controllable, welding is not needed on the site, the construction efficiency is improved, the construction period is shortened, the cost is saved, the labor is saved, and the safety and the reliability are realized.
(2) In the lifting process of the arc curtain wall unit, the arc curtain wall unit is firstly loaded in a grading manner until the arc curtain wall unit is completely separated from the jig frame, then the adjustable supporting roof is installed, and finally the arc curtain wall unit is formally lifted. When one hook is lifted to the pulling node, the other hook is hooked on the cableway above the pulling node, then the hook below the pulling node is loosened, and the cable rope continues to slide upwards. By adopting the lifting mode, the stability of the arc curtain wall unit is effectively ensured, and the construction safety is ensured. The hooks arranged in pairs are adopted, so that the horizontal steel wire rope is always reliably connected with the vertical cableway steel strands, and the swing of the wind load acting unit can be further counteracted, thereby achieving real-time wind-proof reliable drawknot.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a hydraulic synchronous lifting system of an ultra-large curtain wall unit of an ultra-high-rise building.
Fig. 2 is a schematic side view structure of a hydraulic synchronous lifting system of an ultra-large curtain wall unit of an ultra-high-rise building.
FIG. 3 is a schematic illustration of the connection of the wind tie mechanism to the main structure.
Fig. 4 is a schematic view of a wind-break cable tie mechanism.
Fig. 5 is a schematic diagram of the connection of the guy wires, the hooks and the cableway.
Fig. 6 is a schematic diagram of a front view of a hydraulic lifter support steel frame.
Fig. 7 is a schematic top view of a hydraulic lifter support steel frame.
Fig. 8 is a schematic side view of a hydraulic lifter support steel frame.
Fig. 9 is a schematic view of a front view of a tire frame.
Fig. 10 is a schematic side view of a tire frame.
The drawings are marked: 1-bed-jig, 11-curtain wall unit middle bed-jig, 12-curtain wall unit end bed-jig, 121-first vertical truss, 122-second vertical truss, 123-transverse truss, 124-longitudinal truss, 125-lumbar support, 126-diagonal support, 2-curtain wall connector, 3-hydraulic lifter support steel frame, 31-support rib plate, 311-vertical support, 312-lateral support, 32-main support channel, 33-cross beam, 34-connection plate, 35-auxiliary support channel, 36-auxiliary support plate, 4-hydraulic lifter, 5-laser ranging sensor, 6-total station, 7-travel recorder, 8-arc curtain wall unit, 9-adjustable support roof, 10-wire rope, 13-hook, 14-main body structure, 15-anemometer, 16-cableway, 17-cable rope.
Detailed Description
The present invention will be further described below in order to make the technical means, innovative features, achieved objects and effects achieved by the present invention easy to understand.
The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
As shown in fig. 1 to 10, the hydraulic synchronous lifting system for the ultra-large curtain wall unit of the super high-rise building comprises a jig frame (1), curtain wall connecting pieces (2), a hydraulic lifter supporting steel frame (3), a hydraulic lifter (4), a wind cable wind-proof drawknot mechanism, a laser ranging sensor (5), a total station (6) and a travel recorder (7). The jig frame (1) is supported at the bottom of the arc curtain wall unit (8), and the top of the jig frame is provided with an adjustable supporting roof (9). Curtain connecting piece (2) set up the inside wall at arc curtain unit (8). The hydraulic lifter supporting steel frame (3) is arranged above the arc curtain wall unit (8). The hydraulic lifter (4) is arranged on the hydraulic lifter supporting steel frame (3), and a steel wire rope (10) is connected between the hydraulic lifter (4) and the curtain wall connecting piece (2). The wind-proof cable wind-tie mechanism comprises a cableway (16) vertically arranged along a main body structure (14) and a cable rope (17) arranged between the cableway (16) and the arc curtain wall unit (8), wherein one end of the cable rope (17) connected with the cableway (16) is provided with a pair of hooks (13). The laser ranging sensors (5) are arranged on the skirt building roofs at four corners of the arc curtain wall units (8). The total station (6) is arranged on the main body structure (14). The travel recorder (7) is arranged on the top of the hydraulic lifter (4).
The hydraulic lifter support steel frame (3) comprises support rib plates (31), main support channel steel (32), cross beams (33) and connecting plates (34), wherein the support rib plates (31) are arranged on a main body structure (14), the main support channel steel (32) is arranged on the support rib plates (31), the cross beams (33) are arranged on the top ends of the main support channel steel (32) in parallel, and the connecting plates (34) are connected between the cross beams (33). The supporting rib plate (31) is in a pi shape as a whole and comprises two vertical supports (311) and a transverse support (312) arranged at the top end of the vertical supports (311). And the outer side of the main supporting channel steel (32) is also welded with an auxiliary supporting channel steel (35). The top of the auxiliary supporting channel steel (35) is welded and connected with an auxiliary supporting plate (36), and the auxiliary supporting channel steel (35) and the auxiliary supporting plate (36) form a supporting platform.
The jig frame (1) comprises a curtain wall unit middle jig frame (11) and a curtain wall unit end part jig frame (12), wherein the curtain wall unit middle jig frame (11) is arranged along the central axis of the arc-shaped curtain wall unit (8), and the curtain wall unit middle jig frame (11) is a lattice type component. The curtain wall unit end moulding bed (12) is arranged at two sides of the curtain wall unit middle moulding bed (11), and the curtain wall unit end moulding bed (12) is formed by assembling a plurality of lattice members. The curtain wall unit end jig frame (12) comprises a first vertical truss (121), a second vertical truss (122), a transverse truss (123), a longitudinal truss (124) and a waist support (125), wherein the first vertical trusses (121) are arranged on two sides of the curtain wall unit middle jig frame (11) along the longitudinal interval. The second vertical trusses (122) are arranged on the outer side of the first vertical trusses (121) at intervals in the longitudinal direction, and the height of the second vertical trusses (122) exceeds that of the first vertical trusses (121). The transverse truss (123) is connected between the top of the first vertical truss (121) and the second vertical truss (122). The longitudinal girders (124) are connected between the tops of the first vertical girders (121) and between the tops of the second vertical girders (122). Lumbar supports (125) are disposed between the first vertical trusses (121) and between the second vertical trusses (122) and are supported at the bottom of the longitudinal trusses (124). And an inclined support (126) is further arranged between the top of the first vertical truss (121) and the top of the second vertical truss (122).
The cable rope (17) is splayed and sets up outward, and the one end of cable rope (17) is through a pair of couple (13) drawknot respectively on cableway (16) of major structure (14), and cable rope (17) upwards slides along cableway (16) along the promotion of arc curtain wall unit (8), and the horizontal direction contained angle between cable rope (17) and curtain wall connecting piece (2) is 60 ~ 90, and the vertical direction contained angle between cable rope (17) and curtain wall connecting piece (2) is 60 ~ 90 to guarantee the stability of arc curtain wall unit (8) in the promotion in-process.
The included angle between the circle centers of two adjacent curtain wall connecting pieces (2) and the arc-shaped curtain wall units (8) is 90-147 degrees.
The construction method of the hydraulic synchronous lifting system for the super large curtain wall unit of the super high-rise building specifically comprises the following steps:
step one, deeply designing drawings of a jig frame (1), curtain wall connecting pieces (2), a hydraulic lifter supporting steel frame (3), hanging point arrangement and a wind cable wind-proof drawknot mechanism, and preparing construction materials.
Step two, processing all parts to semi-finished products in factories and transporting to the site, assembling a jig frame (1) on a skirt building roof below a lifting point, hoisting the curtain wall unit steel frame to the jig frame after the curtain wall unit steel frame is assembled on the ground, installing a curtain wall unit aluminum keel and a curtain wall unit panel, and installing a curtain wall connecting piece (2) at a lower anchor point position.
Thirdly, vertically arranging a cableway (16) along the main body structure (14), installing a cable rope (17) on the arc curtain wall unit (8), and hanging the tail end of the cable rope (17) on the cableway (16) and sliding up and down along the cableway (16).
And fourthly, assembling a hydraulic lifter supporting steel frame (3) and hanging the hydraulic lifter supporting steel frame on the main body structure (14).
Step five, installing a hydraulic lifter (4) at the upper anchor point position on the hydraulic lifter supporting steel frame (3), connecting one end of a steel wire rope (10) with the hydraulic lifter (4), connecting the other end with the curtain wall connecting piece (2), arranging two rows of lower anchor points along the arc surface of the arc-shaped curtain wall unit steel frame (81), and arranging five lower anchor points in each row.
Step six, installing a travel recorder (7) at the top of the hydraulic lifter (4), setting a total station (6) on a main body structure (14), setting laser ranging sensors (5) on skirt building roofs at four corners of the arc curtain wall units (8) and installing measurement auxiliary plates on the corresponding arc curtain wall units (8).
Step seven, installing anemometers (15) at the top, middle and bottom of the tower; and sticking the measuring reflecting sheet to the ten hanging boxes at the lower anchor point. The local meteorological department is contacted to provide weather forecast during lifting. Because of the field conditions, the individual jig frame positions are not directly below the vertical lift, and need to be lifted obliquely. The inclined lifting operation comprises separating from the jig frame, repairing the plate, horizontally pulling and correcting to a vertical lifting position. The process of separating the jig frame is to gradually load lifting load, and the lifting height and the horizontal offset of the decoration unit body are observed at any time. And (3) checking and accepting each implementation content in the first to sixth steps, and arranging personnel at the upper anchor point and the lower anchor point for monitoring.
Step eight, carrying out stage loading on the arc curtain wall units (8), wherein the specific method for stage loading of the arc curtain wall units (8) is that the pressure value of the hydraulic cylinder of the hydraulic lifter (4) at each lifting point is gradually increased, and the pressure value is sequentially 20%, 40%, 60%, 70% and 80%, and the loading can be continued to 90%, 95% and 100% until the arc curtain wall units (8) are lifted to be completely separated from the jig frame (1) under the condition that no abnormality exists in each part is confirmed.
And step nine, continuously lifting the arc curtain wall unit (8) and installing the adjustable supporting roof (9).
Step ten, formally lifting, when the hook (13) slides to the pulling joint, hooking the other hook (13) on the cableway (16) above the pulling joint, loosening the bottom hook (13), and continuing to slide upwards by the cable rope (17); the data of the laser ranging sensor (5), the total station (6), the travel recorder (7) and the hydraulic lifter (4) are monitored, and accurate and safe lifting is ensured.
Step eleven, stopping lifting when the arc curtain wall unit (8) is lifted to be 0.5-1.5 m away from the main body structure (14), checking each position of the arc curtain wall unit (8) and the main body structure (14) and reducing the speed, and continuing lifting until the connecting pieces on the arc curtain wall unit (8) and the main body structure (14) are accurately butted and fixed.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the design of the present invention.
Claims (7)
1. The utility model provides a super large curtain unit hydraulic pressure synchronous lifting system of super high-rise building which characterized in that includes:
the jig frame (1) is supported at the bottom of the arc curtain wall unit (8), and the top of the jig frame is provided with an adjustable supporting roof (9);
the curtain wall connecting piece (2) is arranged on the inner side wall of the arc-shaped curtain wall unit (8);
the hydraulic lifter supports the steel frame (3) and is arranged above the arc curtain wall units (8);
the hydraulic lifter (4) is arranged on the hydraulic lifter supporting steel frame (3), and a steel wire rope (10) is connected between the hydraulic lifter (4) and the curtain wall connecting piece (2);
the wind-proof cable wind tie mechanism comprises a cableway (16) vertically arranged along a main body structure (14) and a cable rope (17) arranged between the cableway (16) and the arc curtain wall unit (8), wherein one end of the cable rope (17) connected with the cableway (16) is provided with a pair of hooks (13);
the laser ranging sensors (5) are arranged on the skirt building roofs at four corners of the arc curtain wall units (8);
a total station (6) arranged on the main body structure (14);
the travel recorder (7) is arranged at the top of the hydraulic lifter (4);
the jig frame (1) comprises:
the middle jig frame (11) of the curtain wall unit is arranged along the central axis of the arc-shaped curtain wall unit (8), and the middle jig frame (11) of the curtain wall unit is a lattice member;
the curtain wall unit end jig frames (12) are arranged on two sides of the curtain wall unit middle jig frame (11), and the curtain wall unit end jig frames (12) are formed by assembling a plurality of lattice members;
the hydraulic lifter support steel frame (3) comprises:
a support rib (31) provided on the main body structure (14);
the main support channel steel (32) is arranged on the support rib plate (31);
the cross beam (33) is arranged at the top end of the main supporting channel steel (32) in parallel;
a connection plate (34) connected between the cross beams (33);
the curtain wall unit end jig frame (12) comprises:
the first vertical trusses (121) are longitudinally arranged at two sides of the middle jig frame (11) of the curtain wall unit at intervals;
the second vertical trusses (122) are arranged on the outer sides of the first vertical trusses (121) at intervals along the longitudinal direction, and the height of each second vertical truss (122) exceeds that of each first vertical truss (121);
the transverse truss (123) is connected between the top of the first vertical truss (121) and the second vertical truss (122);
a longitudinal truss (124) connected between the tops of the first vertical trusses (121) and between the tops of the second vertical trusses (122);
lumbar supports (125) disposed between the first vertical trusses (121) and between the second vertical trusses (122) and supported at the bottom of the longitudinal trusses (124).
2. The hydraulic synchronous lifting system for a super large curtain wall unit of a super high-rise building according to claim 1, wherein: the horizontal direction included angle between the cable rope (17) and the curtain wall connecting piece (2) is 60-90 degrees, and the vertical direction included angle between the cable rope (17) and the curtain wall connecting piece (2) is 60-90 degrees.
3. The hydraulic synchronous lifting system for a super large curtain wall unit of a super high-rise building according to claim 1, wherein: the included angle between the circle centers of two adjacent curtain wall connecting pieces (2) and the arc-shaped curtain wall units (8) is 90 degrees to 147 degrees.
4. A construction method of the hydraulic synchronous lifting system of the super large curtain wall unit of the super high-rise building according to any one of claims 1 to 3, which is characterized by comprising the following steps:
step one, deeply designing drawings of a jig frame (1), curtain wall connecting pieces (2), a hydraulic lifter supporting steel frame (3), hanging point arrangement and a wind cable wind-proof drawknot mechanism, and preparing construction materials;
step two, erecting an assembly platform on site, assembling a jig frame (1) on a skirt building roof below a lifting point, hoisting a curtain wall unit steel frame (81) onto the jig frame (1) after the curtain wall unit steel frame (81) is assembled on the assembly platform, installing a curtain wall unit aluminum keel (82) and a curtain wall unit panel (83), and installing a curtain wall connecting piece (2) at a lower anchor point position;
thirdly, vertically arranging a cableway (16) along the main body structure (14), installing a cable rope (17) on the arc curtain wall unit (8), and hanging the tail end of the cable rope (17) on the cableway (16) and sliding up and down along the cableway (16);
step four, assembling a hydraulic lifter supporting steel frame (3) and hanging the hydraulic lifter supporting steel frame on a main body structure (14);
installing a hydraulic lifter (4) at the upper anchor point position on the hydraulic lifter supporting steel frame (3), connecting one end of a steel wire rope (10) with the hydraulic lifter (4), and connecting the other end of the steel wire rope with the curtain wall connecting piece (2);
step six, installing a travel recorder (7) at the top of the hydraulic lifter (4), arranging a total station (6) on the main body structure (14), and arranging laser ranging sensors (5) on the skirt building roofs at four corners of the arc curtain wall units (8);
step seven, checking and accepting each implementation content in the step one to the step six, and arranging personnel at the upper anchor point and the lower anchor point for monitoring;
step eight, carrying out grading loading on the arc-shaped curtain wall units (8) until the arc-shaped curtain wall units (8) are lifted to be completely separated from the jig frame (1);
step nine, continuously lifting the arc curtain wall unit (8) and installing an adjustable supporting roof (9);
step ten, formally lifting, namely monitoring data of a laser ranging sensor (5), a total station (6), a travel recorder (7) and a hydraulic lifter (4), and ensuring accurate and safe lifting;
step eleven, stopping lifting when the arc curtain wall unit (8) is lifted to be 0.5-1.5 m away from the main body structure (14), checking each position of the arc curtain wall unit (8) and the main body structure (14) and reducing the speed, and continuing lifting until the connecting pieces on the arc curtain wall unit (8) and the main body structure (14) are accurately butted and fixed.
5. The construction method of the hydraulic synchronous lifting system of the super large curtain wall unit of the super high-rise building according to claim 4, wherein the construction method comprises the following steps: before the seventh step, for the arc curtain wall units (8) which are not right below the lifting points, the arc curtain wall units (8) need to be lifted until the arc curtain wall units are separated from the jig frame (1), a temporary backing plate is placed on the jig frame (1), and the cable ropes (17) are horizontally tied and are aligned to the positions right below the lifting points.
6. The construction method of the hydraulic synchronous lifting system of the super large curtain wall unit of the super high-rise building according to claim 4, wherein the construction method comprises the following steps: the specific method for step-wise loading of the arc-shaped curtain wall units (8) in the step eight is that the pressure values of the hydraulic cylinders of the hydraulic lifters (4) at all lifting points are gradually loaded and increased, and the pressure values are sequentially 20%, 40%, 60%, 70% and 80%, and the loading can be continued to 90%, 95% and 100% until all the arc-shaped curtain wall units (8) are lifted to be separated from the jig frame (1) under the condition that no abnormality exists in all the parts is confirmed.
7. The construction method of the hydraulic synchronous lifting system of the super large curtain wall unit of the super high-rise building according to claim 4, wherein the construction method comprises the following steps: in the step ten, when one hook (13) is lifted to a pulling node, the other hook (13) is hooked on a cableway (16) above the pulling node, then the hook (13) below is loosened, and a cable rope (17) continues to slide upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592312.0A CN109440985B (en) | 2018-12-25 | 2018-12-25 | Hydraulic synchronous lifting system for super large curtain wall unit of super high-rise building and construction method thereof |
Applications Claiming Priority (1)
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| CN110374236B (en) * | 2019-07-22 | 2020-08-18 | 中建三局集团有限公司 | Integral lifting construction method for aluminum plate curtain wall of ultra-large hyperbolic integrated unit |
| CN113090000B (en) * | 2021-05-26 | 2023-02-17 | 华电重工股份有限公司 | Hanging basket construction device for curved surface appearance building |
| CN113833180B (en) * | 2021-09-26 | 2022-11-18 | 中建钢构工程有限公司 | Mounting construction method for main keel of hanging three-limb combined curtain wall |
| CN114427300B (en) * | 2021-12-21 | 2023-07-28 | 江苏沪宁钢机股份有限公司 | Bucket arch assembling and lifting method |
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