CN114517451A - Swinging type hanging basket dismantling method - Google Patents
Swinging type hanging basket dismantling method Download PDFInfo
- Publication number
- CN114517451A CN114517451A CN202210098971.9A CN202210098971A CN114517451A CN 114517451 A CN114517451 A CN 114517451A CN 202210098971 A CN202210098971 A CN 202210098971A CN 114517451 A CN114517451 A CN 114517451A
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- Prior art keywords
- rope
- electric hoist
- side die
- lower cross
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a swinging type hanging basket dismantling method, which comprises the following steps: arranging an embedded part in the end part of the flange plate of the last section of the beam body; lowering the side die and the lower cross beam; lengthening the hanging basket main truss, and respectively installing a first electric hoist and a second electric hoist at two ends of the lengthened hanging basket main truss, wherein the first electric hoist and the second electric hoist are respectively connected with a first rope and a second rope; mounting a first steering device and a second steering device at the end of the flange plate of the last section beam body; a first fixed pulley device and a second fixed pulley device are respectively arranged on two sides of the bottom of the last section of beam body; a first rope is connected with one end of the first side die through a first steering device, and a second rope is connected with the other end of the first side die through a second steering device and a second fixed pulley device in sequence; removing the second side die; the first rope and the second rope are respectively connected with two ends of the lower cross beam through a first steering device and a second steering device. The invention has the advantages that: the operation steps are simple, and the hanging basket is dismantled.
Description
Technical Field
The invention relates to the technical field of basket dismantling, in particular to a swinging type basket dismantling method.
Background
Because the continuous beam spans the middle water area and does not allow a trestle to be built, and the water area does not allow a ship to enter, the cradle does not have a retreating condition, and the midspan cradle cannot be dismantled according to a conventional method. In the prior art, a hanging basket dismantling method which is simple in operation process and good in dismantling effect is not available.
Therefore, there is a need for a method of removing a swing-out type hanging basket that solves the above problems.
Disclosure of Invention
The invention aims to provide a swinging type hanging basket dismantling method based on the defects of the prior art.
The purpose of the invention is realized by the following technical scheme:
a method for dismantling a swing type hanging basket is characterized by comprising the following steps:
(S1) when the last section of beam body is constructed by the hanging basket, arranging an embedded part in the end part of the flange plate of the last section of beam body;
(S2) loosening hanging straps between the main truss and the outer guide beam of the hanging basket and between the main truss and the lower cross beam of the hanging basket to lower the side die and the lower cross beam, wherein the side die comprises a first side die and a second side die; lengthening the hanging basket main truss, and respectively installing a first electric hoist and a second electric hoist at two ends of the lengthened hanging basket main truss, wherein the first electric hoist and the second electric hoist are respectively connected with a first rope and a second rope; a first steering device and a second steering device are mounted at the end part of a flange plate of the last section of beam body and are connected with the embedded part, and the first steering device and the second steering device are respectively opposite to the first electric hoist and the second electric hoist; a first fixed pulley device and a second fixed pulley device are respectively arranged on two sides of the bottom of the final section of the beam body;
(S3) when the first side form is removed, connecting the first rope to one end of the first side form through the first steering device, connecting the second rope to the other end of the first side form through the second steering device and the second fixed pulley device in sequence, and removing the hanging strip between the basket main girder and the outer guide beam; the first rope provides traction force for the first side die under the driving of the first electric hoist so as to enable the first side die to move, and the second rope provides back drag force for the first side die under the driving of the second electric hoist so as to enable the first side die to keep stable in posture; when the first side die is in a natural sagging state, the second rope is disconnected from the first side die, and the first electric hoist pulls the first side die to move upwards; moving the first side form to the top surface of the last section of the beam body;
(S4) removing the second side mold according to step S3;
(S5) connecting the first and second ropes to both ends of the lower cross member via the first and second steering devices, respectively, and removing a hanging strip between the basket main girder and the lower cross member; the first rope provides traction force for the lower cross beam under the driving of the first electric hoist so as to enable the lower cross beam to move, and the second rope provides back drag force for the lower cross beam under the driving of the second electric hoist so as to enable the lower cross beam to keep stable in posture; when the lower cross beam is in a natural sagging state, the connection between the second rope and the lower cross beam is released, and the first electric hoist pulls the lower cross beam to move upwards; and moving the lower cross beam to the top surface of the last section of beam body.
The first steering device and the second steering device both comprise two channel steels and fixed pulleys installed between the two channel steels, the channel steels are connected with embedded parts in the end parts of flange plates of the last section of beam body, and reinforcing plates are arranged in the channel steels.
In step S3:
and when the first side die integrally moves to the position above the top surface of the last section of beam body, connecting a pull rope to the first side die, moving the first side die to the top surface of the last section of beam body by pulling the pull rope, and transporting the first side die away from a construction area by using a bridge deck transport machine.
In step S5:
when the bottom end rail top moves to the top surface top of the last section of girder body, will the second rope with the bottom end rail top is connected, the second rope is in do under the drive of second electric hoist the bottom end rail provides traction force, so that the bottom end rail moves, first rope is in do under the drive of first electric hoist the bottom end rail provides back and drags the power, so that the bottom end rail keeps the gesture stable, and connect a top push member on the bottom end rail, through pushing away the top push member makes the bottom end rail with contactless between the last section of girder body, until the bottom end rail moves to the top surface of the last section of girder body.
The invention has the advantages that: the operation steps are simple, and the hanging basket is dismantled.
Drawings
FIG. 1 is a schematic diagram of step S1 of the method for dismantling an oscillating basket according to the present invention;
FIG. 2 is a schematic diagram of the swinging basket removal method of the present invention, step S2;
FIG. 3 is a first schematic view of step S3 of the present invention;
FIG. 4 is a schematic diagram of step S3 of the method for removing the swinging basket according to the present invention;
FIG. 5 is a schematic diagram of step S3 of the method for removing the swinging basket according to the present invention;
FIG. 6 is a first schematic view of step S5 of the method for removing the swinging basket according to the present invention;
FIG. 7 is a second schematic view of step S3 of the swing basket removing method of the present invention;
FIG. 8 is a schematic view (III) of the swinging basket removing method of the present invention in step S3;
fig. 9 is a schematic structural view of the first steering device of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-9, the marks 1-16 in the figures are respectively represented as a hanging basket main truss 1, an outer guide beam 2, a lower cross beam 3, a first side die 4, a second side die 5, a first electric hoist 6, a second electric hoist 7, a first rope 8, a second rope 9, a first steering device 10, a second steering device 11, a first fixed pulley device 12, a second fixed pulley device 13, a channel steel 14, a fixed pulley 15 and a stiffening plate 16.
The embodiment is as follows: as shown in fig. 1 to 9, the present embodiment relates to a method for dismantling an oscillating hanging basket, which is used for constructing a bottom-sealed concrete layer of an open caisson, and the installation method comprises the following steps:
(S1) when the final-segment girder is constructed by the cradle, as shown in fig. 1, an embedment is provided in an end of a flange plate of the final-segment girder.
(S2) as shown in figure 2, the hanging basket main truss 1 and the outer guide beam 2, and the hanging straps between the hanging basket main truss 1 and the lower cross beam 3 are loosened, so that the side die and the lower cross beam 3 are placed downwards, and the side die is connected with the outer guide beam 2, so that the side die can be placed downwards when the outer guide beam 2 is placed downwards, wherein the side die comprises a first side die 4 and a second side die 5. The hanging basket main truss is lengthened, a first electric hoist 6 and a second electric hoist 7 are respectively installed at two ends of the lengthened hanging basket main truss 1, and a first rope 8 and a second rope 9 are respectively connected to the first electric hoist 6 and the second electric hoist 7. And a first steering device 10 and a second steering device 11 are installed at the end part of the flange plate of the last-segment beam body, and the first steering device 10 and the second steering device are respectively right opposite to the first electric hoist 6 and the second electric hoist 7, wherein, as shown in fig. 9, the first steering device 10 and the second steering device 11 respectively comprise two channel steels 14 and fixed pulleys 15 installed between the two channel steels 14, the fixed pulleys 15 on the first steering device 10 and the second steering device 11 are respectively used for winding the first rope 8 and the second rope 9, the two channel steels 14 are respectively connected with embedded parts in the end part of the flange plate of the last-segment beam body, stiffening plates 16 are arranged in the channel steels 14 and are used for reinforcing the steering devices, and in addition, after the swinging and the basket structure is moved, the first steering device 10 and the second steering device 11 can be disassembled, and the original appearance of the last-segment beam body is restored. And a first fixed pulley device 12 and a second fixed pulley device 13 are respectively arranged on two sides of the bottom of the last section of the beam body, and fixed pulleys on the first fixed pulley device 12 and the second fixed pulley device 13 are respectively used for winding the first rope 8 and the second rope 9.
(S3) as shown in fig. 3 to 5, when the first side form 4 is removed, the first rope 8 is connected to one end of the first side form 4 via (the fixed pulley 15 of) the first turning device 10, the second rope 9 is connected to the other end of the first side form 4 via (the fixed pulley 15 of) the second turning device 11 and (the fixed pulley of) the second fixed pulley device 13 in this order, and the strap between the basket main girder 1 and the outer guide girder 2 are removed. The first rope 8 provides traction force for the first side die 4 under the driving of the first electric hoist 6 so as to move the first side die 4, and the second rope 9 provides back drag force for the first side die 4 under the driving of the second electric hoist 7 so as to keep the first side die 4 stable in posture. When waiting that first side mould 4 is in the natural state of drooping, remove the connection between second rope 9 and first side mould 4, first electric hoist 6 pulls first side mould 4 rebound, because first turning device 10 has certain length, can avoid first rope 8 when swinging, causes the damage to the flange board of last section roof beam body. When the first side die 4 integrally moves to the position above the top surface of the last section of beam body, a pull rope is connected to the first side die 1, the first side die 1 is moved to the top surface of the last section of beam body by pulling the pull rope, and the first side die 4 is transported away from a construction area by using a bridge deck transportation machine.
(S4) the second side mold 5 is removed according to the step S3, and since the process of removing the second side mold 5 is the same as that of removing the first side mold 4, it will not be described herein. In addition, the inner mould is reversed on the lower cross beam 3, and the inner mould and the bottom mould can be detached in a mode of detaching the first side mould 4.
(S5) as shown in fig. 6 to 8, the first and second ropes 8 and 9 are connected to both ends of the lower cross member 3 via the first and second steering devices 10 and 11, respectively, and the hanging strip between the basket main girder 1 and the lower cross member 3 is removed. The first rope 8 provides traction force for the lower beam 3 under the driving of the first electric hoist 6 so as to enable the lower beam 3 to move, and the second rope 9 provides back drag force for the lower beam 3 under the driving of the second electric hoist 7 so as to enable the lower beam 3 to keep stable in posture. When the lower beam 3 is in a natural sagging state, the connection between the second rope 9 and the lower beam 3 is released, and the first electric hoist 6 pulls the lower beam 3 to move upwards. When the top of the lower cross beam 3 moves to the position above the top surface of the last section of beam body, the second rope 9 is connected with the top of the lower cross beam 3, the second rope 9 provides traction force for the lower cross beam 3 under the driving of the second electric hoist 7 so as to enable the lower cross beam 3 to move, the first rope 8 provides back dragging force for the lower cross beam 3 under the driving of the first electric hoist 6 so as to enable the lower cross beam 3 to keep stable in posture, and the lower cross beam 3 is connected with a pushing piece which enables the lower cross beam 3 and the last section of beam body not to be contacted until the lower cross beam 3 moves to the top surface of the last section of beam body.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, they are not to be considered repeated herein.
Claims (4)
1. A swinging type hanging basket dismantling method is characterized by comprising the following steps:
(S1) when the last section of beam body is constructed by the hanging basket, arranging an embedded part in the end part of the flange plate of the last section of beam body;
(S2) loosening hanging straps between the hanging basket main truss and the outer guide beam and between the hanging basket main truss and the lower cross beam to lower the side die and the lower cross beam, wherein the side die comprises a first side die and a second side die; lengthening the hanging basket main truss, and respectively installing a first electric hoist and a second electric hoist at two ends of the lengthened hanging basket main truss, wherein the first electric hoist and the second electric hoist are respectively connected with a first rope and a second rope; a first steering device and a second steering device are mounted at the end part of a flange plate of the last section of beam body and are connected with the embedded part, and the first steering device and the second steering device are respectively opposite to the first electric hoist and the second electric hoist; a first fixed pulley device and a second fixed pulley device are respectively arranged on two sides of the bottom of the final section of the beam body;
(S3) when the first side form is removed, connecting the first rope to one end of the first side form through the first steering device, connecting the second rope to the other end of the first side form through the second steering device and the second fixed pulley device in sequence, and removing the hanging strip between the basket main girder and the outer guide beam; the first rope provides traction force for the first side die under the driving of the first electric hoist so as to enable the first side die to move, and the second rope provides back drag force for the first side die under the driving of the second electric hoist so as to enable the first side die to keep stable in posture; when the first side die is in a natural sagging state, the second rope is disconnected from the first side die, and the first electric hoist pulls the first side die to move upwards; moving the first side form to the top surface of the last section of the beam body;
(S4) removing the second side mold according to step S3;
(S5) connecting the first and second ropes to both ends of the lower cross member via the first and second steering devices, respectively, and removing a hanging strip between the basket main girder and the lower cross member; the first rope provides traction force for the lower cross beam under the driving of the first electric hoist so as to enable the lower cross beam to move, and the second rope provides back drag force for the lower cross beam under the driving of the second electric hoist so as to enable the lower cross beam to keep stable in posture; when the lower cross beam is in a natural sagging state, the connection between the second rope and the lower cross beam is released, and the first electric hoist pulls the lower cross beam to move upwards; and moving the lower cross beam to the top surface of the last section of beam body.
2. The swinging type hanging basket dismantling method as claimed in claim 1,
the first steering device and the second steering device both comprise two channel steels and fixed pulleys installed between the two channel steels, the channel steels are connected with embedded parts in the end parts of flange plates of the last section of beam body, and stiffening plates are arranged in the channel steels.
3. The swing-out basket dismantling method as claimed in claim 1, wherein in step S3:
and when the first side die integrally moves to the position above the top surface of the last section of beam body, connecting a pull rope to the first side die, moving the first side die to the top surface of the last section of beam body by pulling the pull rope, and transporting the first side die away from a construction area by using a bridge deck transport machine.
4. The swing-out basket dismantling method as claimed in claim 1, wherein in step S5:
when the bottom end rail top moves to when the top surface of last section roof beam body, will the second rope with the bottom end rail top is connected, the second rope is in do under the drive of second electric hoist the bottom end rail provides traction force, so that the bottom end rail removes, first rope is in do under the drive of first electric hoist the bottom end rail provides back drag power, so that the bottom end rail keeps the gesture stable, and is in connect a top push member on the bottom end rail, through pushing away the top push member makes the bottom end rail with contactless between the last section roof beam body, until the bottom end rail moves to the top surface of last section roof beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098971.9A CN114517451B (en) | 2022-01-27 | 2022-01-27 | Swinging type hanging basket dismantling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098971.9A CN114517451B (en) | 2022-01-27 | 2022-01-27 | Swinging type hanging basket dismantling method |
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| Publication Number | Publication Date |
|---|---|
| CN114517451A true CN114517451A (en) | 2022-05-20 |
| CN114517451B CN114517451B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210098971.9A Active CN114517451B (en) | 2022-01-27 | 2022-01-27 | Swinging type hanging basket dismantling method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018145607A (en) * | 2017-03-01 | 2018-09-20 | 株式会社大林組 | Work device and overhanging construction method |
| CN208777179U (en) * | 2018-08-16 | 2019-04-23 | 中铁三局集团有限公司 | A kind of base-supporting Hanging Basket closure segment traveling and retreat Demolition Construction device |
| CN111485500A (en) * | 2020-05-28 | 2020-08-04 | 中铁（贵州）市政工程有限公司 | Transverse lengthening reinforcing construction method and structure for retreating and dismantling of rhombic hanging basket |
| CN111576248A (en) * | 2020-05-29 | 2020-08-25 | 中铁七局集团有限公司 | Dismantling method for cantilever cast-in-situ beam hanging basket system |
| CN211665594U (en) * | 2020-01-21 | 2020-10-13 | 中国水利水电第八工程局有限公司 | Bridge bottom die integral dismantling device |
| CN212714544U (en) * | 2020-05-28 | 2021-03-16 | 中铁十七局集团城市建设有限公司 | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure |
| CN112523112A (en) * | 2020-11-19 | 2021-03-19 | 中国建筑第八工程局有限公司 | Method for dismantling overhead suspension casting hanging basket |
| CN112663508A (en) * | 2020-12-29 | 2021-04-16 | 山东博远大数据集团有限公司 | Novel hang basket and connect side form turning template |
-
2022
- 2022-01-27 CN CN202210098971.9A patent/CN114517451B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018145607A (en) * | 2017-03-01 | 2018-09-20 | 株式会社大林組 | Work device and overhanging construction method |
| CN208777179U (en) * | 2018-08-16 | 2019-04-23 | 中铁三局集团有限公司 | A kind of base-supporting Hanging Basket closure segment traveling and retreat Demolition Construction device |
| CN211665594U (en) * | 2020-01-21 | 2020-10-13 | 中国水利水电第八工程局有限公司 | Bridge bottom die integral dismantling device |
| CN111485500A (en) * | 2020-05-28 | 2020-08-04 | 中铁（贵州）市政工程有限公司 | Transverse lengthening reinforcing construction method and structure for retreating and dismantling of rhombic hanging basket |
| CN212714544U (en) * | 2020-05-28 | 2021-03-16 | 中铁十七局集团城市建设有限公司 | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure |
| CN111576248A (en) * | 2020-05-29 | 2020-08-25 | 中铁七局集团有限公司 | Dismantling method for cantilever cast-in-situ beam hanging basket system |
| CN112523112A (en) * | 2020-11-19 | 2021-03-19 | 中国建筑第八工程局有限公司 | Method for dismantling overhead suspension casting hanging basket |
| CN112663508A (en) * | 2020-12-29 | 2021-04-16 | 山东博远大数据集团有限公司 | Novel hang basket and connect side form turning template |
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| Publication number | Publication date |
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| CN114517451B (en) | 2023-04-18 |
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