CN107974941B - Cable hoisting device of suspension bridge and use method thereof - Google Patents
Cable hoisting device of suspension bridge and use method thereof Download PDFInfo
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- CN107974941B CN107974941B CN201711216494.7A CN201711216494A CN107974941B CN 107974941 B CN107974941 B CN 107974941B CN 201711216494 A CN201711216494 A CN 201711216494A CN 107974941 B CN107974941 B CN 107974941B
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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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a cable hoisting device of a suspension bridge and a use method thereof, wherein the cable hoisting device of the suspension bridge comprises a hoisting mechanism and further comprises: a shoulder pole beam; the rotary lifting appliance comprises a lifting frame, a first gear, a pair of second gears, a rotating shaft and a main motor; the first gear is horizontally arranged on the lifting frame, and the middle part of the first gear is fixed with the inner ring of the first bearing; the pair of second gears are meshed with the first gear, the pair of second gears are in one-to-one correspondence with the pair of second bearings, and the middle parts of the second gears are fixed with the inner rings of the second bearings corresponding to the second gears; the outer ring of the second bearing is vertically fixed with a cylinder body of an oil cylinder, the lower end of a piston rod of the oil cylinder penetrates out of the hoisting frame, and the upper end of a hoisting rope is fixed; the lifting frame is an arc through hole at the position corresponding to the oil cylinder. The invention has stable function, can be adjusted in multiple directions and angles, and can be widely applied to the technical field of cable hoisting equipment.
Description
Technical Field
The invention relates to the technical field of cable hoisting equipment. More particularly, the present invention relates to a cable lifting device for a suspension bridge and a method of using the same.
Background
In the construction of suspension bridges, cables suspended and anchored to the two sides mainly by means of cable towers serve as the main load-bearing members of the superstructure. When the cable is used for hoisting, the angle and the position of the member to be hoisted need to be adjusted so as to meet the hoisting requirement. The existing cable hoisting device has the problems that the existing cable hoisting device is unstable and cannot be adjusted in multiple directions and angles when rotating a member to be hoisted.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention also aims to provide a stable cable lifting device of the suspension bridge which can be adjusted in multiple directions and angles and a using method thereof.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a cable hoisting device of a suspension bridge including a hoisting mechanism mounted on a cable and movable back and forth in a longitudinal direction, further comprising: the shoulder pole beam is horizontally hoisted under the hoisting mechanism; the rotary lifting appliance comprises a lifting frame, a first gear, a pair of second gears, a rotating shaft and a main motor; the lifting frame is horizontally lifted right below the shoulder pole beam; the first gear is horizontally arranged on the lifting frame, and the middle part of the first gear is fixed with the inner ring of the first bearing; the rotating shaft is horizontally arranged above the first gear, and the middle part of the rotating shaft is fixed with the outer ring of the first bearing; two ends of the rotating shaft are respectively fixed with an outer ring of a second bearing; the pair of second gears are meshed with the first gear, the pair of second gears are in one-to-one correspondence with the pair of second bearings, and the middle parts of the second gears are fixed with the inner rings of the second bearings corresponding to the second gears; the main motor drives the rotating shaft to rotate circumferentially around the center of the rotating shaft in a horizontal plane; the outer ring of the second bearing is vertically fixed with a cylinder body of an oil cylinder, the lower end of a piston rod of the oil cylinder penetrates out of the hoisting frame, and the upper end of a hoisting rope is fixed; the lifting frame is an arc through hole at the position corresponding to the oil cylinder.
Preferably, the lifting ropes are arranged uniformly in a plurality.
Preferably, the lifting rope is a basket bolt.
Preferably, for any one of the cylinders, a first universal hinge is fixed at the lower end of a piston rod of the cylinder, and a second universal hinge is fixedly connected to the first universal hinge; the lifting rope comprises a first lifting rope with the upper end connected with the first universal hinge and a second lifting rope with the upper end connected with the second universal hinge.
Preferably, the rotation shaft is rotatable in a horizontal plane by an angle of 30-60 °.
Preferably, the cable hoisting device of the suspension bridge further comprises a pair of adjusting mechanisms, wherein the pair of adjusting mechanisms are respectively arranged at two ends of the lower end face of the hoisting frame, and for any one of the adjusting mechanisms, the adjusting mechanism comprises a sliding rail, a rack, an adjusting gear and an adjusting motor; the adjusting motor is fixed on the lower end face of the lifting frame and drives the adjusting gear to rotate in a vertical plane; the sliding rail is vertically arranged at the lower end of the hoisting frame; the rack is arranged on the sliding rail in a sliding way without falling off, the rack is meshed with the adjusting gear, and a third lifting rope is fixed at the lower end of the rack.
The application method of the hoisting device for the cable of the suspension bridge comprises the following steps:
s1, installing a hoisting mechanism on a cable, and fixing the lower end of a hoisting rope fixed on a piston rod with a member to be hoisted;
s2, adjusting the extending length of a piston rod of the oil cylinder to enable a member to be hoisted to be kept horizontal;
s3, starting an adjusting motor, finely adjusting to a member to be hoisted to keep the member horizontal, and closing the adjusting motor;
s4, starting a main motor, and closing the main motor after adjusting the angle of the member to be hoisted in the horizontal plane;
s5, after the member to be hoisted is moved to the assembling position by using the hoisting mechanism, repeating the steps S2, S3 and S4 to finely tune the position of the member to be hoisted.
The invention at least comprises the following beneficial effects:
the invention adopts the first gear and the pair of second gears to mutually cooperate to limit the stable circumferential rotation of the hoisting point, realizes the rotation of the horizontal angle of the member to be hoisted through the rotating shaft, adjusts the position of the device to be hoisted in the vertical direction through the basket bolts, and carries out fine adjustment on the member to be hoisted in the vertical direction through the adjusting mechanism.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection relationship between the slide rail, the rack and the adjusting gear;
fig. 3 is a schematic diagram of the connection relationship among the rotating shaft, the first gear and the second gear according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a cable hoisting device for a suspension bridge, including a hoisting mechanism 1, where the hoisting mechanism 1 is mounted on a cable and can move back and forth along a longitudinal direction, and further includes: the shoulder pole beam 2 is horizontally hoisted right below the hoisting mechanism 1; the rotary lifting appliance comprises a lifting frame 3, a first gear 9, a pair of second gears 10, a rotating shaft 11 and a main motor; the lifting frame 3 is horizontally lifted right below the shoulder pole beam 2; the first gear 9 is horizontally arranged on the hoisting frame 3, and the middle part of the first gear 9 is fixed with the inner ring of the first bearing; the rotating shaft 11 is horizontally arranged above the first gear 9, and the middle part of the rotating shaft is fixed with the outer ring of the first bearing; two ends of the rotating shaft 11 are respectively fixed with an outer ring of a second bearing; the pair of second gears 10 are meshed with the first gears 9, the pair of second gears 10 are in one-to-one correspondence with the pair of second bearings, and the middle part of each second gear 10 is fixed with the inner ring of the corresponding second bearing; the main motor drives the rotating shaft 11 to rotate circumferentially around the center of the rotating shaft in a horizontal plane; the outer ring of the second bearing is vertically fixed with a cylinder body of an oil cylinder, the lower end of a piston rod 4 of the oil cylinder penetrates out of the hoisting frame 3, and the upper end of a hoisting rope is fixed; the lifting frame 3 is an arc through hole corresponding to the oil cylinder. The main motor is a driving main motor controlled by a remote controller, and the rotation angle of the member to be hoisted is regulated and controlled remotely. According to the required installation direction of the member to be hoisted, adjusting the hoisting direction of the shoulder pole beam by the hoisting mechanism, wherein the length direction of the shoulder pole beam is parallel to the longitudinal direction as shown in fig. 1; in another case, the direction of the hoisting mechanism hoisted on the cable is adjusted, and the length direction of the shoulder pole beam is perpendicular to the longitudinal direction. The size, angle and position of the arc through holes are set according to actual construction requirements.
The lifting ropes are arranged uniformly in a plurality. A plurality of lifting ropes are arranged, so that the lifting rope is more stable during lifting.
The lifting rope is a basket bolt. The length of the stud bolt can be adjusted, and the member to be hoisted can be finely adjusted to be stable.
For any one of the oil cylinders, a first universal hinge 5 is fixed at the lower end of a piston rod 4 of the oil cylinder, and a second universal hinge 6 is fixedly connected to the first universal hinge 5; the lifting rope comprises a first lifting rope 7 with the upper end connected with the first universal hinge 5 and a second lifting rope 8 with the upper end connected with the second universal hinge 6.
The rotatable shaft 11 is rotatable in a horizontal plane by an angle of 30-60 deg.. The rotating angle of the rotating shaft 11 is too large, and the angle of the arc-shaped through hole of the lifting frame 3 corresponding to the position of the oil cylinder is too large, so that the lifting frame 3 is unstable, and the rotating angle of the rotating shaft 11 is set to be 30-60 degrees.
The cable hoisting device of the suspension bridge further comprises a pair of adjusting mechanisms, wherein the pair of adjusting mechanisms are respectively arranged at two ends of the lower end face of the hoisting frame 3, and for any one of the adjusting mechanisms, the adjusting mechanism comprises a sliding rail 14, a rack 13, an adjusting gear 12 and an adjusting motor; the adjusting motor is fixed on the lower end face of the lifting frame 3 and drives the adjusting gear 12 to rotate in a vertical plane; the sliding rail 14 is vertically arranged at the lower end of the hoisting frame 3; the rack 13 is slidably arranged on the slide rail 14 without falling off, the rack 13 is meshed with the adjusting gear 12, and a third lifting rope is fixed at the lower end of the rack 13. The adjusting motor is a driving adjusting motor controlled by a remote controller.
The application method of the hoisting device for the cable of the suspension bridge comprises the following steps:
s1, installing a hoisting mechanism 1 on a cable, and fixing the lower end of a hoisting rope fixed on a piston rod 4 with a member to be hoisted;
s2, adjusting the extending length of a piston rod 4 of the oil cylinder to keep the member to be hoisted horizontal;
s3, starting an adjusting motor, finely adjusting to a member to be hoisted to keep the member horizontal, and closing the adjusting motor;
s4, starting a main motor, and closing the main motor after adjusting the angle of the member to be hoisted in the horizontal plane;
s5, after the member to be hoisted is moved to the assembling position by the hoisting mechanism 1, repeating the steps S2, S3 and S4 to finely tune the position of the member to be hoisted.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. The utility model provides a cable hoist device of suspension bridge, includes hoist mechanism, hoist mechanism installs on the cable, and can follow longitudinal direction back and forth movement, its characterized in that still includes:
the shoulder pole beam is horizontally hoisted under the hoisting mechanism;
the rotary lifting appliance comprises a lifting frame, a first gear, a pair of second gears, a rotating shaft and a main motor;
the lifting frame is horizontally lifted right below the shoulder pole beam;
the first gear is horizontally arranged on the lifting frame, and the middle part of the first gear is fixed with the inner ring of the first bearing;
the rotating shaft is horizontally arranged above the first gear, and the middle part of the rotating shaft is fixed with the outer ring of the first bearing; two ends of the rotating shaft are respectively fixed with an outer ring of a second bearing;
the pair of second gears are meshed with the first gear, the pair of second gears are in one-to-one correspondence with the pair of second bearings, and the middle parts of the second gears are fixed with the inner rings of the second bearings corresponding to the second gears;
the main motor drives the rotating shaft to rotate circumferentially around the center of the rotating shaft in a horizontal plane;
the outer ring of the second bearing is vertically fixed with a cylinder body of an oil cylinder, the lower end of a piston rod of the oil cylinder penetrates out of the hoisting frame, and the upper end of a hoisting rope is fixed;
the lifting frame is an arc through hole at the position corresponding to the oil cylinder.
2. A cable lifting device for a suspension bridge according to claim 1, wherein the lifting ropes are provided in a plurality and uniformly.
3. A cable lifting device for a suspension bridge as recited in claim 2, wherein the lifting rope is a basket bolt.
4. The cable hoisting device of a suspension bridge as claimed in claim 2, wherein for any one of the cylinders, a first universal hinge is fixed at the lower end of a piston rod of the cylinder, and a second universal hinge is fastened and connected to the first universal hinge;
the lifting rope comprises a first lifting rope with the upper end connected with the first universal hinge and a second lifting rope with the upper end connected with the second universal hinge.
5. A cable lifting device for a suspension bridge according to claim 1, wherein the rotation axis is rotatable in the horizontal plane by an angle of 30-60 °.
6. The cable hoisting device of a suspension bridge as claimed in claim 1, further comprising a pair of adjusting mechanisms, a pair of the adjusting mechanisms are respectively arranged at two ends of the lower end face of the hoisting frame, and for any one of the adjusting mechanisms, the adjusting mechanism comprises a slide rail, a rack, an adjusting gear and an adjusting motor;
the adjusting motor is fixed on the lower end face of the lifting frame and drives the adjusting gear to rotate in a vertical plane;
the sliding rail is vertically arranged at the lower end of the hoisting frame;
the rack is arranged on the sliding rail in a sliding way without falling off, the rack is meshed with the adjusting gear, and a third lifting rope is fixed at the lower end of the rack.
7. A method of using the suspension bridge cable lifting device of claim 6, comprising the steps of:
s1, installing a hoisting mechanism on a cable, and fixing the lower end of a hoisting rope fixed on a piston rod with a member to be hoisted;
s2, adjusting the extending length of a piston rod of the oil cylinder to enable a member to be hoisted to be kept horizontal;
s3, starting an adjusting motor, finely adjusting to a member to be hoisted to keep the member horizontal, and closing the adjusting motor;
s4, starting a main motor, and closing the main motor after adjusting the angle of the member to be hoisted in the horizontal plane;
s5, after the member to be hoisted is moved to the assembling position by using the hoisting mechanism, repeating the steps S2, S3 and S4 to finely tune the position of the member to be hoisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216494.7A CN107974941B (en) | 2017-11-28 | 2017-11-28 | Cable hoisting device of suspension bridge and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216494.7A CN107974941B (en) | 2017-11-28 | 2017-11-28 | Cable hoisting device of suspension bridge and use method thereof |
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| Publication Number | Publication Date |
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| CN107974941A CN107974941A (en) | 2018-05-01 |
| CN107974941B true CN107974941B (en) | 2023-05-09 |
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| CN201711216494.7A Active CN107974941B (en) | 2017-11-28 | 2017-11-28 | Cable hoisting device of suspension bridge and use method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914262B (en) * | 2019-04-09 | 2020-09-04 | 中铁十八局集团第二工程有限公司 | Construction method for hoisting steel truss arch member by utilizing high-low carrying pole beam through narrow closure opening |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU732434A1 (en) * | 1977-10-20 | 1980-05-05 | Рижский Отдел Специального Конструкторского Бюро Главмостостроя | Arrangement for installation of span structure units of bridges |
| CN201620358U (en) * | 2009-04-10 | 2010-11-03 | 武汉通联路桥机械技术有限公司 | Gantry crane for down-type bridge-erecting machine |
| JP6081117B2 (en) * | 2012-09-24 | 2017-02-15 | 株式会社ネクスコ東日本エンジニアリング | How to remove existing bridge and update existing bridge |
| CN103614966B (en) * | 2013-11-21 | 2015-08-12 | 中交第二航务工程局有限公司 | Suspension bridge steel box-girder hoisting appliance |
| CN104386576B (en) * | 2014-11-19 | 2016-01-27 | 湖南省中南桥梁安装工程有限公司 | A kind of cable crane Universal rotary Suspension hook structure |
| CN105347170B (en) * | 2015-11-23 | 2017-04-19 | 贵州航天天马机电科技有限公司 | Special lifting device capable of achieving adjustment and rotation at any angle |
| CN105484168B (en) * | 2016-01-15 | 2017-05-17 | 长安大学 | Rotary hoisting equipment for stiffening beam of suspension bridge and erecting method of stiffening beam |
| CN205369055U (en) * | 2016-01-15 | 2016-07-06 | 长安大学 | Rotatory lifting device of suspension bridge stiffening beam |
| CN207846222U (en) * | 2017-11-28 | 2018-09-11 | 中交二航局第二工程有限公司 | The cable hoisting device of suspension bridge |
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