CN111533003A - Cable installation lifting device for cable-stayed bridge - Google Patents
Cable installation lifting device for cable-stayed bridge Download PDFInfo
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- CN111533003A CN111533003A CN202010516114.7A CN202010516114A CN111533003A CN 111533003 A CN111533003 A CN 111533003A CN 202010516114 A CN202010516114 A CN 202010516114A CN 111533003 A CN111533003 A CN 111533003A
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- Prior art keywords
- cross beam
- cable
- pulley
- truss
- hoisting
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Classifications
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
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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
Abstract
A cable installation and lifting device for a cable-stayed bridge is characterized in that a left cable-stayed beam is welded at the left ends of an upper truss beam and a lower truss bearing beam; the upper truss right-pulling inclined beam is welded at the right ends of the upper truss beam and the lower truss bearing beam; a first small portal frame device and a second small portal frame device are respectively installed and fixed at the left end and the right end of the lower truss bearing cross beam; the lower truss bearing cross beam is fixedly arranged at the top end of the upright post supporting device, and the lower end of the upright post supporting device is arranged on the tower body; a first hoisting steel wire rope arranged on a first crane on the lower truss bearing beam passes through a first diverting pulley and then is sleeved on a first hoisting fixed pulley and a first hook pulley, and then one end of the first hoisting steel wire rope is connected and fixed on the first hook pulley; a hoisting steel wire rope on the second crane passes through the second steering pulley and then is sleeved on the second hoisting fixed pulley and the second hook pulley, and one end of the second hoisting steel wire rope is connected and fixed on the second hook pulley; to form a cable installation and lifting device of the cable-stayed bridge.
Description
Technical Field
The invention relates to the technical field of large-span bridge construction, in particular to a cable installation and lifting device for a cable-stayed bridge.
Background
With the high-speed development of economy in China, the construction status of traffic engineering is particularly important; when roads need to cross sections with complex geological conditions or navigation limit requirements, such as rivers, lakes, seas, railways, valleys and the like, the cable-stayed bridge is increasingly applied to the current road construction as a bridge which has large spanning capacity and can reduce investment cost and construction difficulty, particularly along with the development of scientific technology in recent years, a large number of cable-stayed bridges are adopted by highway, railway and highway-railway dual-purpose bridges, and the span is increasingly large. Under the background, a plurality of problems are often encountered during cable-stayed bridge construction, for example, in the cable-stayed bridge construction process, a tower crane beside a tower column is generally adopted to complete the task of installing a cable-stayed cable on the tower, but with the increase of the span of the cable-stayed bridge, the height of the tower column is increased, the length of the cable-stayed cable is longer and longer, the weight of the cable-stayed cable is heavier and heavier, and after the hoisting of the tower crane is limited and the height of the tower crane is changed, various unsafeties of the tower crane are increased; due to the limitation of the shape of the tower column, the distance between part of the tower crane and the tower column is farther and farther when the tower crane is installed, and the safety risk of the tower crane is increased; the larger the span of the cable-stayed bridge is, the higher the tower column is, the more the number of the stay cables is, the longer the installation time is, and particularly, the construction in typhoon areas is realized, so that the installation risk and the construction cost of the stay cables are higher; at present, a winch and the like are also adopted for installation on site, but the forms are different, and the winch cannot be repeatedly used, so that the construction cost is greatly increased, and resources are greatly wasted. Therefore, it is particularly important to research a device suitable for lifting and installing the cable of the large-span cable-stayed bridge.
Disclosure of Invention
The invention aims to solve the problems that the existing stay cable installation equipment cannot be refitted and reused for multiple times, cost and resource waste is caused, and the like, and provides a cable installation and lifting device for a cable-stayed bridge.
The technical scheme includes that the cable installation and lifting device for the cable-stayed bridge comprises an upper truss beam, a lower truss bearing beam, an upright post supporting frame device, a beam, a diagonal draw beam, a small door frame device, an upright post, a transverse supporting channel steel, a crane, a longitudinal rod (channel steel), an ear plate, a tower body, a steering wheel, a lifting fixed pulley, a steel wire rope and a lifting hook.
The technical scheme of the invention is as follows: a cable installation and lifting device for a cable-stayed bridge is characterized in that two ends of a first cross rod 6-1 are welded on a first upper truss beam 5-1 and a second upper truss beam 5-2 respectively; forming an upper truss beam a; the first lower cross beam 2-1 and the second lower cross beam 2-2 are welded and connected by a transverse support channel steel 3 to form a lower truss bearing cross beam h; welding two ends 4-1 of a first left inclined drawing beam and two ends 4-2 of a second left inclined drawing beam at the left end of a bearing cross beam h of the lower truss respectively, and welding two ends of a second cross rod 6-2 at the first left drawing beam 4-1 and the corresponding second left inclined drawing beam 4-2 respectively to form an upper truss left inclined drawing beam b;
the two ends of the first right diagonal draw beam 4-3 and the second right diagonal draw beam 4-4 are respectively welded at the right end of the lower truss bearing cross beam h; two ends of a third cross rod 6-3 are respectively welded on the third right inclined pull beam 4-3 and the corresponding fourth right inclined pull beam 4-4 to form an upper truss right inclined pull beam c.
A first small portal device d and a second small portal device e with the same structure are respectively installed and fixed at the left end and the right end of the lower truss bearing cross beam h; forming a truss spandrel girder device M;
the bottom surfaces of the lower truss bearing cross beams h are respectively fixedly arranged at the top ends of the upright post supporting devices n, and the embedded steel plates 13 and the embedded steel bars 14 at the lower ends of the upright post supporting devices n are arranged on the tower body 15;
respectively installing and fixing a first crane 7-1 and a second crane 7-2 on a lower truss bearing cross beam h; a first hoisting steel wire rope 24-1 on the first crane 7-1 passes through a first diverting pulley 16-1 and then is sleeved on a first hoisting fixed pulley 23-1 and a first hook pulley 25-1, and then one end of the first hoisting steel wire rope 24-1 is connected and fixed on the first hook pulley 25-1;
a hoisting steel wire rope 24-2 on the second crane 7-2 passes through the second diverting pulley 16-2 and then is sleeved on the second hoisting fixed pulley 23-2 and the second hook pulley 25-2, and one end of the second hoisting steel wire rope 24-2 is connected and fixed on the second hook pulley 25-2; to form a cable installation and lifting device of the cable-stayed bridge.
Welding two ends of a first vertical rod 8-1 on a first upper truss girder 5-1 and a first lower cross beam 2-1 respectively; two ends of the second vertical rod 8-2 are respectively welded on the second upper truss girder 5-2 and the second lower cross girder 2-2.
The first upper truss girder 5-1 and the first lower bearing girder 2-1 are respectively provided with a second ear plate 12b, the second truss girder 5-2 and the second lower bearing girder 2-2 are respectively provided with a third ear plate 12c, and two ends of the second diagonal brace 17 are respectively installed and fixed on the corresponding second ear plate 12b and the third ear plate 12c.
The small door frame device comprises: two ends of a first portal upper cross beam 18-1 are welded at the upper ends of a first small portal upright column 19-1 and a second small portal upright column 19-2, and two ends of a first hoisting lower cross beam 21-1 are welded at the lower end of the first small portal upright column 19-1; two ends of the first portal pull rod 20-1 are respectively welded on the first portal beam 18-1 and the lower truss bearing beam h; forming a first small door frame device d; the second small portal device e has the same structure and installation method as the first small portal device d.
The position-adjusting hand-operated block comprises: the first position-adjusting hand-operated hoist 22-1 and the second position-adjusting hand-operated hoist 22-2 are respectively arranged on the first small portal upper cross beam 18-1 and the second small portal upper cross beam 18-2;
the diverting pulley: the first steering pulley 16-1 and the second steering pulley 16-2 are respectively arranged on the first positioning hand-operated hoist 22-1 and the second positioning hand-operated hoist 22-2;
the hoisting fixed pulley: the hook 26-1 on the first hoisting fixed pulley 23-1 and the second hook 26-2 on the second hoisting fixed pulley 23-2 are respectively hung (connected) on the first small portal lower beam 21-1 and the second small portal lower beam 21-2.
In the embodiment, a first upright column 1-1, a second upright column 1-2, a third upright column 1-3, a fourth upright column 1-4, a first transverse channel steel 9-1, a second transverse channel steel 9-2, a third transverse channel steel 9-3, a fourth transverse channel steel 9-4, a first longitudinal channel steel 10-1, a second longitudinal channel steel 10-2, a third longitudinal channel steel 10-3 and a fourth longitudinal channel steel 10-4 are welded into an upright column supporting frame; the four inner corner positions of the front, rear, left and right upright post supporting frames are respectively provided with a first ear plate 12a with the same structure; two ends of the first support rod 11-1 and the second support rod 11-2 are respectively installed and fixed on four first ear plates 12a in the front upright post support frame and the rear upright post support frame; the two ends of the third brace rod 27 and the fourth brace rod 28 are respectively installed and fixed on the four first connecting ear plates 12a in the left and right upright post supporting frames; to form the upright post supporting device n.
The invention has the beneficial effects that: the utility model provides a cable-stay bridge cable installation hoisting device, its structure mainly comprises truss spandrel girder device, stand support frame device and two cranes, and the device can satisfy in the installation of different cable-stay bridge cables, has ensured the needs of stay cable installation, has simple structure, and stability is high, and it is more convenient to dismantle, can reuse moreover, practices thrift construction cost, improves the construction progress.
Drawings
The invention is described in detail below with reference to the figures and examples.
FIG. 1 is an elevational view of the overall construction of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the truss apparatus of FIG. 1;
FIG. 4 is a schematic view of the power lift apparatus of FIG. 1;
FIG. 5 is a cross-sectional view A-A of the truss apparatus of FIG. 3;
FIG. 6 is a left side view of the upper small portal;
FIG. 7 is a rear elevational view of the mast support bracket assembly;
FIG. 8 is a right side view of the mast support frame assembly;
fig. 9 is a left side view of the mast support frame assembly.
In the figure, 1-1, a first upright column, 1-2, a second upright column, 1-3, a third upright column, 1-4, a fourth upright column, 2-1, a first lower cross beam, 2-2, a second lower cross beam, 3, a transverse supporting channel steel, 4-1, a left inclined pull beam, 4-2, a left inclined pull beam, 5-1, a first upper truss beam, 5-2, a second upper truss beam, 6-1, a first cross rod, 6-2, a second cross rod, 7-1, a first power lifting device, 7-2, a second power lifting device, 8-1, a first vertical rod, 8-2, a second vertical rod, 8-3, a third vertical rod, 8-4, a fourth vertical rod, 9-1, a first transverse channel steel, 9-2, a second transverse channel steel, 9-3, a third transverse channel steel, 9-4 parts of a fourth transverse channel steel, 10-1 parts of a first longitudinal channel steel, 10-2 parts of a second longitudinal channel steel, 11-1 parts of a first stay bar, 11-2 parts of a second stay bar, 11-3 parts of a third stay bar, 11-4 parts of a fourth stay bar, 12a parts of a first lug plate, 12b parts of a second lug plate, 12c parts of a third lug plate, 13 parts of an embedded steel plate, 14 parts of embedded steel bars, 15 parts of a tower body, 16-1 parts of a first steering wheel, 16-2 parts of a second steering wheel, 17 parts of a first inclined stay bar, 18-1 parts of a first upper door frame beam, 18-2 parts of a second upper door frame beam, 19-1 parts of a first door frame vertical column, 20-1 parts of a first door frame pull bar, 20-2 parts of a second door frame pull bar, 19-2 parts of a second door frame vertical column, 19-3 parts of a third door frame vertical column, 21-1 parts of a first lower door frame beam, 21-2 of a second door lower frame beam, 23-1 of a first lifting fixed pulley, 23-2 of a second lifting fixed pulley, 24-1 of a first steel wire rope, 24-2 of a second steel wire rope, 25-1 of a first lifting hook, 25-2 of a second lifting hook, 26 of a fifth support rod, 27 of a sixth support rod, a of an upper truss beam, b of a left inclined pull beam, c of a right truss inclined pull beam, d of a first small door frame device, e of a second small door frame device, h of a lower truss bearing beam, m of a truss bearing beam and n of an upright post supporting device.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number," "a number," or "the number" means two or more unless explicitly specified otherwise.
The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific embodiment of the invention with the accompanying drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the application, with reference to the drawings.
Referring to fig. 1, 2, 3, 4, 5 and 6, in an embodiment of the present invention, a cable-stayed bridge cable installation and lifting device is provided; welding two ends of a plurality of first cross rods 6-1 on the first upper truss cross beam 5-1 and the second upper truss cross beam 5-2 respectively; forming an upper truss beam a; welding a plurality of transverse supporting channel steels 3 on corresponding beam walls of the first lower cross beam 2-1 and the second lower cross beam 2-2 to form a lower truss bearing cross beam h; welding two ends 4-1 of a first left inclined drawing beam and two ends 4-2 of a second left inclined drawing beam at the left end of a bearing cross beam h of the lower truss respectively, and welding two ends of a second cross rod 6-2 at the first left drawing beam 4-1 and the corresponding second left inclined drawing beam 4-2 respectively to form an upper truss left inclined drawing beam b;
the two ends of the first right diagonal draw beam 4-3 and the second right diagonal draw beam 4-4 are respectively welded at the right end of the lower truss bearing cross beam h; two ends of a third cross rod 6-3 are respectively welded on the third right inclined pull beam 4-3 and the corresponding fourth right inclined pull beam 4-4 to form an upper truss right inclined pull beam c.
A first small portal device d and a second small portal device e with the same structure are respectively installed and fixed at the left end and the right end of the lower truss bearing cross beam h; forming a truss spandrel girder device M;
the bottom surfaces of the lower truss bearing cross beams h are respectively fixedly arranged at the top ends of the upright post supporting devices n, and the embedded steel plates 13 and the embedded steel bars 14 at the lower ends of the upright post supporting devices n are arranged on the tower body 15;
respectively installing and fixing a first crane 7-1 and a second crane 7-2 on a lower truss bearing cross beam h; a first hoisting steel wire rope 24-1 on the first crane 7-1 passes through the first diverting pulley 16-1 and then is sleeved on the first hoisting fixed pulley 23-1 and the first lifting hook 25-1, and then one end of the first hoisting steel wire rope 24-1 is connected and fixed on the first lifting hook 25-1;
a hoisting steel wire rope 24-2 on the second crane 7-2 passes through the second diverting pulley 16-2 and then is sleeved on the second hoisting fixed pulley 23-2 and the second lifting hook 25-2, and one end of the second hoisting steel wire rope 24-2 is connected and fixed on the second lifting hook 25-2; to form a cable installation and lifting device of the cable-stayed bridge.
Two ends of a plurality of first vertical rods 8-1 are respectively welded on the first upper truss girder 5-1 and the first lower cross beam 2-1; two ends of a plurality of second vertical rods 8-2 are respectively welded on the second upper truss girder 5-2 and the second lower cross beam 2-2.
A plurality of second ear plates 12b are respectively arranged on the first upper truss girder 5-1 and the first lower bearing girder 2-1, a plurality of third ear plates 12c are respectively arranged on the second truss girder 5-2 and the second lower bearing girder 2-2, and two ends of a plurality of second diagonal braces 17 are respectively installed and fixed on the corresponding second ear plates 12b and the third ear plates 12c.
The small door frame device comprises: two ends of a first portal upper cross beam 18-1 are welded at the upper ends of a first small portal upright column 19-1 and a second small portal upright column 19-2, and two ends of a first hoisting lower cross beam 21-1 are welded at the lower end of the first small portal upright column 19-1; two ends of the first portal pull rod 20-1 are respectively welded on the first portal beam 18-1 and the lower truss bearing beam h; forming a first small door frame device d; the second small portal device e has the same structure and installation method as the first small portal device d.
The position-adjusting hand-operated block comprises: the first position-adjusting hand-operated hoist 22-1 and the second position-adjusting hand-operated hoist 22-2 are respectively arranged on the first small portal upper cross beam 18-1 and the second small portal upper cross beam 18-2;
the diverting pulley: the first steering pulley 16-1 and the second steering pulley 16-2 are respectively arranged on the first positioning hand-operated hoist 22-1 and the second positioning hand-operated hoist 22-2;
the hoisting fixed pulley: the hook 26-1 on the first hoisting fixed pulley 23-1 and the second hook 26-2 on the second hoisting fixed pulley 23-2 are respectively hung (connected) on the first small portal lower beam 21-1 and the second small portal lower beam 21-2.
Referring to the embodiment shown in fig. 7, 8 and 9, a first upright 1-1, a second upright 1-2, a third upright 1-3, a fourth upright 1-4, a first transverse channel 9-1, a second transverse channel 9-2, a third transverse channel 9-3, a fourth transverse channel 9-4, a first longitudinal channel 10-1, a second longitudinal channel 10-2, a third longitudinal channel 10-3 and a fourth longitudinal channel 10-4 are welded to form an upright supporting frame; the four inner corner positions of the front, rear, left and right upright post supporting frames are respectively provided with a first ear plate 12a with the same structure; two ends of the first support rod 11-1 and the second support rod 11-2 are respectively installed and fixed on four first ear plates 12a in the front upright post support frame and the rear upright post support frame; the two ends of the third brace rod 27 and the fourth brace rod 28 are respectively installed and fixed on the four first connecting ear plates 12a in the left and right upright post supporting frames; to form the upright post supporting device n.
In the present embodiment, the first crane 7-1 and the second crane 7-2 perform the suspension of the stay cables individually, or the first crane and the second crane simultaneously lift the stay cables.
Claims (5)
1. A cable installation and lifting device for a cable-stayed bridge comprises an upper truss cross beam, a lower truss bearing cross beam, an upright post support frame device, a cross beam, a diagonal draw beam, a small door frame device, an upright post, a transverse support channel steel, a crane, a longitudinal rod (channel steel), an ear plate, a tower body, a steering wheel, a lifting fixed pulley, a steel wire rope and a lifting hook; the method is characterized in that: welding two ends of a plurality of first cross rods on the first upper truss cross beam and the second upper truss cross beam respectively; respectively welding the transverse support channel steel on the corresponding beam walls of the first lower cross beam and the second lower cross beam; welding two ends of a first left inclined straining beam and a second left inclined straining beam to the left end of the lower truss bearing cross beam respectively, and welding two ends of a second cross rod to the first left inclined straining beam and the corresponding second left inclined straining beam respectively; two ends of the first right diagonal draw beam and the second right diagonal draw beam are respectively welded at the right end of the lower truss bearing cross beam; two ends of the third cross rod are respectively welded on the third right inclined pull beam and the corresponding fourth right inclined pull beam; a first small portal frame device and a second small portal frame device which have the same structure are respectively installed and fixed at the left end and the right end of the lower truss bearing cross beam; the bottom surfaces of the lower truss bearing cross beams are respectively fixedly arranged at the top ends of the upright post supporting devices, and the embedded steel plates and the embedded steel bars at the lower ends of the upright post supporting devices are arranged on the tower body; respectively installing and fixing a first crane and a second crane on the lower truss bearing cross beam; a first hoisting steel wire rope on the first crane passes through the first diverting pulley and then is sleeved on the first hoisting fixed pulley and the first hook pulley, and then one end of the first hoisting steel wire rope is connected and fixed on the first hook pulley; a hoisting steel wire rope on the second crane passes through the second steering pulley and then is sleeved on the second hoisting fixed pulley and the second hook pulley, and one end of the second hoisting steel wire rope is connected and fixed on the second hook pulley; to form a cable installation and lifting device of the cable-stayed bridge.
2. The cable-stayed bridge cable installation and lifting device as claimed in claim 1, wherein: respectively welding two ends of the first vertical rod on the first upper truss girder and the first lower cross beam; and two ends of a plurality of second vertical rods are respectively welded on the second upper truss girder and the second lower cross beam.
3. The cable-stayed bridge cable installation and lifting device as claimed in claim 1, wherein: and a plurality of second ear plates are respectively arranged on the first upper truss girder and the first lower bearing girder, a plurality of third ear plates are respectively arranged on the second truss girder and the second lower bearing girder, and two ends of a plurality of second diagonal braces are respectively installed and fixed on the corresponding second ear plates and the corresponding third ear plates.
4. The cable-stayed bridge cable installation and lifting device as claimed in claim 1, wherein: two ends of the first portal upper cross beam are welded at the upper ends of the first small portal upright post and the second small portal upright post, and two ends of the first hoisting lower cross beam are welded at the lower end of the first small portal upright post; two ends of the first portal pull rod are respectively welded on the first portal beam and the lower truss bearing beam to form a first small portal device; the second small portal frame device has the same structure and installation method as the first small portal frame device.
5. The cable-stayed bridge cable installation and lifting device as claimed in claim 1, wherein: the first position-adjusting hand-operated hoist and the second position-adjusting hand-operated hoist are respectively arranged on the upper cross beam of the first small portal frame and the upper cross beam of the second small portal frame; the first steering pulley and the second steering pulley are respectively arranged on the first positioning hand-operated hoist and the second positioning hand-operated hoist; and a hook on the first hoisting fixed pulley and a second hook on the second hoisting fixed pulley are respectively hung on the lower cross beam of the first small portal frame and the lower cross beam of the second small portal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516114.7A CN111533003A (en) | 2020-06-09 | 2020-06-09 | Cable installation lifting device for cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516114.7A CN111533003A (en) | 2020-06-09 | 2020-06-09 | Cable installation lifting device for cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111533003A true CN111533003A (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010516114.7A Pending CN111533003A (en) | 2020-06-09 | 2020-06-09 | Cable installation lifting device for cable-stayed bridge |
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| Country | Link |
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| CN (1) | CN111533003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116891123A (en) * | 2023-09-11 | 2023-10-17 | 山西建投建筑产业有限公司 | Semi-automatic conveying equipment for conveying plates |
| CN117800233A (en) * | 2024-02-28 | 2024-04-02 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
| CN117904979A (en) * | 2024-03-20 | 2024-04-19 | 四川公路桥梁建设集团有限公司 | Cable-stayed bridge cable high-altitude suspension conveying device |
-
2020
- 2020-06-09 CN CN202010516114.7A patent/CN111533003A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116891123A (en) * | 2023-09-11 | 2023-10-17 | 山西建投建筑产业有限公司 | Semi-automatic conveying equipment for conveying plates |
| CN116891123B (en) * | 2023-09-11 | 2023-11-28 | 山西建投建筑产业有限公司 | Semi-automatic conveying equipment for conveying plates |
| CN117800233A (en) * | 2024-02-28 | 2024-04-02 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
| CN117800233B (en) * | 2024-02-28 | 2024-05-03 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
| CN117904979A (en) * | 2024-03-20 | 2024-04-19 | 四川公路桥梁建设集团有限公司 | Cable-stayed bridge cable high-altitude suspension conveying device |
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