CN115199871A - Linear motor base mounting method - Google Patents
Linear motor base mounting method Download PDFInfo
- Publication number
- CN115199871A CN115199871A CN202210821492.5A CN202210821492A CN115199871A CN 115199871 A CN115199871 A CN 115199871A CN 202210821492 A CN202210821492 A CN 202210821492A CN 115199871 A CN115199871 A CN 115199871A
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- Prior art keywords
- linear motor
- motor base
- lifting
- floor
- shaped steel
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 16
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000032258 transport Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M9/00—Special layout of foundations with respect to machinery to be supported
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to a linear motor base mounting method, which comprises the following steps: s1, transporting a linear motor base to a floor to be installed by using a large-scale vertical transport machine; s2, forming a through hole, arranging an I-shaped steel bearing beam, welding a seamless steel pipe and welding a first lifting lug; s3, installing a lifting ring and a lifting appliance; s4, installing a chain block, and simultaneously operating the chain block to lift the linear motor base; s5, replacing the chain blocks one by using the open turn buckle bolts to enable the linear motor base to keep a horizontal static state; s6, replacing the open turn buckle bolts one by using a chain block, and operating the chain block to slowly lower the linear motor base to the top end of the water tank; s7, removing the chain block, the lifting appliance, the lifting ring and the I-shaped steel bearing beam, and plugging the through hole. The beneficial effects are that: the method fully utilizes the engineering machinery during the construction of the ultrahigh building, completes the installation of the linear motor base by combining the construction progress and the installation structure characteristics, saves the mechanical cost and reduces the construction difficulty.
Description
Technical Field
The invention relates to the technical field of electromechanical installation, in particular to a linear motor base installation method.
Background
The super high building is favored by many places due to the remarkable marking and artistic quality, and along with the improvement of the construction technology, the super high building is favored by some special-shaped super high buildings.
The ultra-high buildings are required to be provided with damping anti-seismic systems to reduce the swing and vibration of the ultra-high buildings caused by airflow and earthquake. One damping anti-seismic system is called a main-passive damping anti-seismic system, is a mixed damping anti-seismic system consisting of a tuned mass damper and an active mass damper, and can realize a larger control effect under the condition of smaller inertial mass and actuator output. However, the linear motor base of the main-quilt damping anti-seismic system is large in size and heavy in weight, and cannot be transported by means of an elevator of an ultrahigh building, the linear motor base needs to be transported to a floor to be installed by using large vertical transport machinery used in the construction process of the ultrahigh building, and the transportation of the linear motor base is influenced by the building above the floor to be installed; in addition, the linear motor base needs to be installed at the top of the water tank of the main quilt type damping anti-seismic system, the water tank cannot be installed before the linear motor base is transported to a floor to be installed, the height and the bearing of the floor to be installed are limited, and the linear motor base cannot be directly installed to the top of the assembled water tank by large-scale carrying or hoisting machinery, so that the technical problem of construction is solved.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a linear motor base mounting method.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a linear motor base mounting method comprises the following steps:
s1, after the construction of a floor to be installed is finished, a linear motor base is transported to the floor to be installed by using a large-scale vertical transport machine, and a building above the floor to be installed is continuously built;
s2, forming 3N through holes in a floor slab above a floor to be installed, arranging N I-steel bearing beams on the floor slab, welding a seamless steel pipe at each through hole at the bottom end of each I-steel bearing beam, and welding a first lifting lug at the bottom of each seamless steel pipe;
s3, 6N lifting rings are installed on the linear motor base, and a group of lifting appliances are installed on two adjacent lifting rings;
s4, hanging a hand-pulling block on each first lifting lug, hooking a hook of the hand-pulling block on a lifting appliance right below the hand-pulling block, and simultaneously operating 3N hand-pulling blocks to lift the linear motor base until the height of the linear motor base and the floor of the floor to be installed is larger than the height of a water tank of the primary-secondary damping anti-seismic system;
s5, replacing the chain blocks one by using open turn buckle bolts to enable the linear motor base to keep a horizontal static state;
s6, after the water tank is installed, replacing the open turn buckle bolts one by using a chain block, operating 3N hand chain blocks to slowly descend the linear motor base to the top end of the water tank, and fixedly installing the linear motor base at the top end of the water tank;
s7, removing the chain block, the lifting appliance, the lifting ring and the I-shaped steel bearing beam, and plugging the through hole.
Wherein N is more than or equal to 2.
The beneficial effects of the invention are: the linear motor base is transported to a floor to be installed by a large-scale vertical transport machine, the linear motor base is hoisted by matching a hand hoist with an I-shaped steel bearing beam, a seamless steel pipe, a first lifting lug, a hoisting tool and a hoisting weight, the linear motor base is statically suspended above the installation position of the water tank by matching an opening turnbuckle with the I-shaped steel bearing beam, the seamless steel pipe, the first lifting lug, the hoisting tool and the hoisting weight, and after the installation with the water tank is finished, the linear motor base is lowered to the top end of the water tank and is fixedly installed; the method fully utilizes the engineering machinery during the construction of the ultrahigh building, completes the installation of the linear motor base by combining the construction progress and the installation structure characteristics, saves the mechanical cost and reduces the construction difficulty.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of the state of a linear motor base after a hand hoist is replaced by an open turn buckle according to the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 1;
the numbering in the figures illustrates: the device comprises a floor 1 to be installed, a linear motor base 2, a floor slab 3, a through hole 4, an I-steel bearing beam 5, a cross beam 6, a batten 7, a seamless steel pipe 8, a rib plate 9, a first lifting lug 10, a lifting ring 11, a lifting appliance 12, an I-steel cross arm 13, a second lifting lug 14, a third lifting lug 15 and an opening turn-buckle 16.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in combination with embodiments.
As shown in fig. 1 to 3, a linear motor base mounting method includes the following steps:
s1, after the construction of the floor 1 to be installed is completed, the main-quilt type damping anti-seismic system transports a linear motor base 2 to the floor 1 to be installed by using a large-scale vertical transport machine, meanwhile, parts of other main-quilt type damping anti-seismic systems can be transported to the floor 1 to be installed for storage, and after the transportation is completed, buildings above the floor 1 to be installed are built continuously.
S2, when the installation period of the main-quilt type damping earthquake-proof system is up, 6 through holes 4 are formed in a floor slab 3 above a floor 1 to be installed (N is 2,3N is 6 in the embodiment); 2I-steel bearing beams 5 are arranged on the floor slab 3, the bottom of the floor slab 3 below each I-steel bearing beam 5 is provided with a cross beam 6, and the I-steel bearing beams 5 and the cross beams 6 are crossed when being projected onto the floor slab 3; a plurality of battens 7 are laid between the I-shaped steel bearing beam 5 and the floor slab 3, and the battens 7 are perpendicular to the I-shaped steel bearing beam 5. Welding a seamless steel pipe 8 at each through hole 4 at the bottom end of the I-shaped steel bearing beam 5, and welding a plurality of rib plates 9 between the top of the seamless steel pipe 8 and the I-shaped steel bearing beam 5; and a first lifting lug 10 is welded at the bottom of each seamless steel pipe 8.
S3, 6 lifting rings 11 are installed on the linear motor base 2, a group of lifting appliances 12 are installed on two adjacent lifting rings 11, each group of lifting appliances 12 comprises an I-shaped steel cross arm 13, a second lifting lug 14 and two pairs of third lifting lugs 15, the second lifting lug 14 is welded at the center of the top end of the I-shaped steel cross arm 13, the second lifting lug 14 is connected with a lifting hook of a chain block or an opening basket bolt 16, the two pairs of third lifting lugs 15 are symmetrically welded at the bottom end of the I-shaped steel cross arm 13, and the third lifting lugs 15 are connected with the lifting rings through high-strength bolts.
S4, hanging a hand-pulling block on each first lifting lug 10, hooking a hook of the hand-pulling block on a lifting appliance 12 positioned right below the hand-pulling block, and simultaneously operating 6 the hand-pulling block to lift the linear motor base 2 until the floor height of the linear motor base 2 and the floor 1 to be installed is greater than the height of a water tank of the primary and secondary damping anti-seismic system;
wherein, the concrete process that linear electric motor base 2 promoted: meanwhile, 6 hand-pulling hoists are operated to lift the linear motor base by 3 cm, a buffer rubber mat with the thickness of 2 cm is laid on a floor below the linear motor base 2, whether abnormal deformation occurs in the I-steel bearing beam 5, the floor 3 above the floor 1 to be installed and the lifting appliance 12 is observed, if the abnormal deformation is observed within 1 hour, the linear motor base 2 is placed on the buffer rubber mat, the abnormal deformation position is repaired or replaced, if the abnormal deformation is not observed within 1 hour, the hand-pulling hoists are continuously operated to lift the linear motor base 2, an electronic level gauge is placed on the linear motor base 2, and the linear motor base 1 is leveled once when the linear motor base 1 rises by 5 cm.
And S5, replacing the chain blocks one by using the open turn buckle 16 to keep the linear motor base 2 in a horizontal static state.
In order to prevent the loosening of the open turn buckle 16 and the welding seam of the seamless steel pipe 8 or the tearing of the lifting appliance 12 when the linear motor base 2 is statically suspended: a steel wire rope rigging is arranged between an I-shaped steel bearing beam 5 and a lifting ring 11, an upper rope ring of the steel wire rope rigging is sleeved on the I-shaped steel bearing beam 5, a lower rope ring of the steel wire rope rigging is connected with the lifting ring 11 through a high-strength bolt, so that the steel wire rope rigging plays a role in safety and sharing tension, and the phenomenon that an opening turn buckle 16 is loosened, a welding seam of a seamless steel pipe 8 is cracked or a lifting appliance 12 is torn to cause a linear motor base 2 is avoided.
S6, after the water tank of the main and passive damping anti-seismic system is installed, replacing the open turnbuckle 16 with a chain block one by one, disassembling the steel wire rope rigging one by one, operating 6 hand chain blocks to slowly descend the linear motor base 2 to the top end of the water tank of the main and passive damping anti-seismic system, and fixedly installing the linear motor base 2 at the top end of the water tank of the main and passive damping anti-seismic system.
S7, removing the chain block, the lifting appliance 12, the lifting ring 11 and the I-shaped steel bearing beam 5, and plugging the through hole 4 to enable the floor slab 3 at the through hole 4 to recover a flat state.
The maximum load allowed by the hanging ring is greater than 1/6 of the weight of the linear motor base, and the lifting capacity of the chain block is greater than 1/3 of the weight of the linear motor base.
In addition to N being 2 in this embodiment, N may also be 3 or 4.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A linear motor base mounting method is characterized by comprising the following steps:
s1, after the construction of a floor to be installed is finished, the main-quilt type damping anti-seismic system transports a linear motor base to the floor to be installed by using a large-scale vertical transport machine, and continues to build a building above the floor to be installed;
s2, 3N through holes are formed in a floor above a floor to be installed, N I-steel bearing beams are arranged on the floor, a seamless steel pipe is welded at each through hole at the bottom end of each I-steel bearing beam, and a first lifting lug is welded at the bottom of each seamless steel pipe;
s3, 6N lifting rings are installed on the linear motor base, and a group of lifting appliances are installed on two adjacent lifting rings;
s4, hanging a hand-pulling block on each first lifting lug, hooking a hook of the hand-pulling block on a lifting appliance right below the hand-pulling block, and simultaneously operating 3N hand-pulling blocks to lift the linear motor base until the height of the linear motor base and the floor of the floor to be installed is larger than the height of a water tank of the primary-secondary damping anti-seismic system;
s5, replacing the chain blocks one by using open turn buckle bolts to enable the linear motor base to keep a horizontal static state;
s6, after the water tank is installed, replacing the open turn buckle bolts one by using a chain block, operating 3N hand chain blocks to slowly descend the linear motor base to the top end of the water tank, and fixedly installing the linear motor base at the top end of the water tank;
s7, removing the chain block, the lifting appliance, the lifting ring and the I-shaped steel bearing beam, and plugging the through hole;
N≥2。
2. the linear motor base installation method according to claim 1, wherein in the step S2: and the bottom of the floor slab below each I-shaped steel bearing beam is provided with a cross beam, and the I-shaped steel bearing beams and the cross beams are crossed when being projected onto the floor slab.
3. The linear motor base installation method according to claim 1, wherein in the step S2: a plurality of battens are laid between the I-shaped steel bearing beam and the floor slab, and the battens are perpendicular to the I-shaped steel bearing beam.
4. The method for installing the base of the linear motor according to claim 1, wherein in the step S3, each group of the lifting appliance includes an i-shaped steel cross arm, a second lifting lug and two pairs of third lifting lugs, the second lifting lug is welded at the center of the top end of the i-shaped steel cross arm, the second lifting lug is connected with a lifting hook or an opening basket bolt of a chain block, the two pairs of the third lifting lugs are symmetrically welded at the bottom end of the i-shaped steel cross arm, and the third lifting lugs are connected with the lifting rings through high-strength bolts.
5. The linear motor base installation method according to claim 1, wherein in the step S4, a specific process of lifting the linear motor base is as follows: and simultaneously operating a 3N hand-pulling block to lift the linear motor base by 3 cm, laying a buffer rubber mat with the thickness of 2 cm on a floor below the linear motor base, observing whether abnormal deformation occurs in an I-shaped steel bearing beam, a floor above a floor to be installed and a lifting appliance, placing the linear motor base on the buffer rubber mat if the abnormal deformation is observed within 1 hour, repairing or replacing the abnormal deformation part, and continuously operating the hand-pulling block to lift the linear motor base if the abnormal deformation is not observed within 1 hour.
6. The linear motor base installation method according to claim 1, wherein in the step S4, an electronic level is placed on the linear motor base, and the leveling is performed every time the linear motor base ascends 5 cm.
7. The linear motor base installation method according to claim 1, wherein in the step S5: and a steel wire rope rigging is arranged between the I-shaped steel bearing beam and the lifting ring, an upper rope ring of the steel wire rope rigging is sleeved on the I-shaped steel bearing beam, and a lower rope ring of the steel wire rope rigging is connected with the lifting ring through a high-strength bolt.
8. The linear motor mount mounting method according to claim 1, wherein: the maximum load allowed by the hoisting ring is greater than 1/3N of the weight of the linear motor base, and the hoisting capacity of the chain block is greater than 2/3N of the weight of the linear motor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210821492.5A CN115199871A (en) | 2022-07-13 | 2022-07-13 | Linear motor base mounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210821492.5A CN115199871A (en) | 2022-07-13 | 2022-07-13 | Linear motor base mounting method |
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| CN115199871A true CN115199871A (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210821492.5A Pending CN115199871A (en) | 2022-07-13 | 2022-07-13 | Linear motor base mounting method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09328930A (en) * | 1996-06-10 | 1997-12-22 | Nippon Conveyor Kk | Columnar material continuous treatment technique and device thereof |
| CN103057663A (en) * | 2011-10-21 | 2013-04-24 | 中国长江航运集团南京金陵船厂 | Underwater installation process of removable deck of million-ton roll-on-roll-off ship |
| CN105155904A (en) * | 2015-09-11 | 2015-12-16 | 中建安装工程有限公司 | Mounting method of mass damping system for high-rising tower buildings |
| CN206465068U (en) * | 2017-01-23 | 2017-09-05 | 中海福陆重工有限公司 | A kind of rope rig suspension arrangement |
| CN112049236A (en) * | 2020-08-31 | 2020-12-08 | 常州第一建筑集团有限公司 | Construction method for hanging decoration construction platform under high-altitude large cantilever structure of high-rise building |
| CN114293813A (en) * | 2021-12-20 | 2022-04-08 | 中建二局装饰工程有限公司 | Floor slab cutting and reinforcing structure and construction method |
-
2022
- 2022-07-13 CN CN202210821492.5A patent/CN115199871A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09328930A (en) * | 1996-06-10 | 1997-12-22 | Nippon Conveyor Kk | Columnar material continuous treatment technique and device thereof |
| CN103057663A (en) * | 2011-10-21 | 2013-04-24 | 中国长江航运集团南京金陵船厂 | Underwater installation process of removable deck of million-ton roll-on-roll-off ship |
| CN105155904A (en) * | 2015-09-11 | 2015-12-16 | 中建安装工程有限公司 | Mounting method of mass damping system for high-rising tower buildings |
| CN206465068U (en) * | 2017-01-23 | 2017-09-05 | 中海福陆重工有限公司 | A kind of rope rig suspension arrangement |
| CN112049236A (en) * | 2020-08-31 | 2020-12-08 | 常州第一建筑集团有限公司 | Construction method for hanging decoration construction platform under high-altitude large cantilever structure of high-rise building |
| CN114293813A (en) * | 2021-12-20 | 2022-04-08 | 中建二局装饰工程有限公司 | Floor slab cutting and reinforcing structure and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 陈长金等: "《供电企业生产现场安全事故案例分析(线路部分)》", vol. 1, 31 May 2021, 西安交通大学出版社, pages: 216 - 219 * |
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