CN114074897B - Valve hall double-beam bridge crane installation method - Google Patents
Valve hall double-beam bridge crane installation method Download PDFInfo
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- CN114074897B CN114074897B CN202111393399.0A CN202111393399A CN114074897B CN 114074897 B CN114074897 B CN 114074897B CN 202111393399 A CN202111393399 A CN 202111393399A CN 114074897 B CN114074897 B CN 114074897B
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- Prior art keywords
- crane
- travelling
- track
- travelling crane
- rail
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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
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
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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
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a valve hall double-beam bridge crane installation method, which is characterized in that: the specific installation method is as follows: s1: reversely paving a travelling rail; s2: normally paving a travelling rail; s3: positioning and welding a travelling rail; s4: preparing before driving installation; s5: installing a travelling crane; the crane segments are welded with partial travelling crane tracks in the reverse state, so that the travelling crane tracks which interfere with the turning of the crane segments are not installed temporarily, after the crane segments are normal after turning, the rest travelling crane bed-frames are lifted up by adopting the cooperation of a hand pulling block and a jack supported by a cylinder bed-frame, and the rest travelling crane bed-frames are tightly propped up for welding, so that the installation of the rest travelling crane tracks is completed; finally lifting the travelling crane by a forklift, and matching the travelling crane with a travelling crane track by a chain block to realize the installation of the travelling crane; the installation method avoids dismantling the welded travelling rails, improves the installation efficiency and reduces the waste of materials.
Description
Technical Field
The invention relates to the technical field of bridge cranes, in particular to a valve hall double-beam bridge crane installation method.
Background
When a crane mechanism in a general valve hall double-beam bridge crane is installed, the general mode is that a crane is firstly segmented and turned over to be placed on the ground, and a plurality of crane rails are welded in a flip-chip welding manner by adopting a crane rail; however, in the subsequent turning, the fully welded travelling rail can affect the turning of the crane section, which is very troublesome and sometimes requires re-welding even after being cut off; therefore, a new valve hall double beam bridge crane installation method is needed to meet the installation of travelling crane and forming track.
Disclosure of Invention
The invention aims to solve the technical problem of providing a valve hall double-beam bridge crane installation method which can solve the problem that the installation of a running track in a general crane section affects the turnover of the crane section.
In order to solve the technical problems, the technical scheme of the invention is as follows: the valve hall double-beam bridge crane installation method is characterized in that: the specific installation method is as follows:
s1: and (5) reversely paving the travelling rail: placing the crane segment on the ground to form an inverted state, building a travelling crane track according to the divided segments, welding the built track on the surface of a lifting rib of the inverted crane segment according to a set position, and temporarily laying the travelling crane track which interferes with the turning of the crane segment;
s2: normal paving of the travelling rail: turning the crane segment from a reverse state to a normal state; a chain block is arranged on a lifting rib of a normal crane section, and the other end of the chain block is connected to an uninstalled travelling crane track; lifting the travelling rails to be installed through the chain block, and adjusting the splicing precision of racks among the travelling rails;
s3: and (3) positioning welding of the travelling rail: a cylinder jig frame provided with a jack is arranged at the side of the travelling crane rail in advance, and after the travelling crane rail is hoisted by a chain block and the splicing precision of racks is regulated; pushing the cylinder jig frame into the lower part of the travelling crane rail, simultaneously jacking up the sleeper through a jack to press the travelling crane rail on the end part of the hanging bar, and welding the travelling crane rail on the bottom end of the hanging bar according to welding requirements;
s4: preparation before driving installation: lifting the travelling crane by using an automobile crane, placing the travelling crane on a forklift, and positioning a travelling structure of the travelling crane in the middle of a fork; a rubber pad with the diameter of 3mm is arranged below the rack of the travelling crane; the crane is temporarily bound with the fork by using the hanging belt, and after the balance of the two ends of the crane is confirmed, the steel wire rope is unhooked;
s5: and (3) mounting a travelling crane: adopt fork truck to hold the driving, height-adjusting for the wheel height of driving both sides matches with the height of driving track, loosens the suspender of driving and fork ligature, utilizes the cooperation of chain block to pull into the track with the driving on the fork truck, and the driving is berthhed on the driving track after, installs the drive rack, and utilizes self-locking device to lock the driving, accomplishes the installation of valve hall double-beam bridge crane.
Further, in the step S1 of laying the running track, a part of the track interfering with the segmented turning steel wire rope is temporarily not installed, and after the segmented turning is performed, the track is laid under the segmented normal condition; the hanging bars on the crane segments are kept in the same horizontal plane and the same straight line, and the error of the straightness and flatness of the hanging bars on the crane is less than or equal to 2/1000.
The invention has the advantages that:
1) According to the invention, the crane is segmented to weld part of the travelling crane track in the reverse state, so that the travelling crane track which interferes with the segmented turning of the crane is not installed, after the crane is segmented to turn over and is normal, the rest travelling crane bed-jig is lifted by adopting the cooperation of the chain block and the jack supported by the cylinder bed-jig, and the welding is carried out by jacking, so that the installation of the rest travelling crane track is completed; finally lifting the travelling crane by a forklift, and matching the travelling crane with a travelling crane track by a chain block to realize the installation of the travelling crane; the installation method avoids dismantling the welded travelling rails, improves the installation efficiency and reduces the waste of materials.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a flow chart of a valve hall double-beam bridge crane installation method of the invention.
Fig. 2 is a schematic diagram of normal assembly and welding of a travelling rail of the installation method of the valve hall double-beam bridge crane.
Fig. 3 is a schematic diagram of reverse state assembly and welding of a travelling crane track in the installation method of the valve hall double-beam bridge crane.
Fig. 4 is a schematic diagram of a crane hoisting state of the valve hall double-beam bridge crane installation method.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The installation method of the valve hall double-beam bridge crane shown in the figures 1 to 1 comprises the following steps:
s1: and (5) reversely paving the travelling rail: the crane segments are placed on the ground to form an inverted state, the crane tracks are built according to the divided segments, the built tracks are welded on the surface of the lifting ribs of the inverted crane segments according to the set positions, and the crane tracks which interfere with turning of the crane segments are not paved temporarily, as the cloud line part in fig. 2 is a track structure which is not paved temporarily.
S2: normal paving of the travelling rail: turning the crane segment from the reverse state to the normal state as shown in fig. 3; a chain block is arranged on a lifting rib of a normal crane section, and the other end of the chain block is connected to an uninstalled travelling crane track; and lifting the running rails to be installed through the chain block, and adjusting the splicing precision of racks between the running rails.
S3: and (3) positioning welding of the travelling rail: a cylinder jig frame provided with a jack is arranged at the side of the travelling crane rail in advance, and after the travelling crane rail is hoisted by a chain block and the splicing precision of racks is regulated; pushing the cylinder jig frame into the lower part of the travelling crane rail, simultaneously jacking the sleeper by a jack to compress the travelling crane rail on the end part of the hanging bar, and welding the travelling crane rail on the bottom end of the hanging bar according to welding requirements.
S4: preparation before driving installation: as shown in fig. 4, the crane is lifted by the truck crane and placed on the forklift, and the travelling structure of the crane is positioned in the middle of the fork; a rubber pad with the diameter of 3mm is arranged below the rack of the travelling crane; the crane is temporarily bound with the fork by using the hanging belt, and after the balance of the two ends of the crane is confirmed, the steel wire rope is unhooked;
s5: and (3) mounting a travelling crane: adopt fork truck to hold the driving, height-adjusting for the wheel height of driving both sides matches with the height of driving track, loosens the suspender of driving and fork ligature, utilizes the cooperation of chain block to pull into the track with the driving on the fork truck, and the driving is berthhed on the driving track after, installs the drive rack, and utilizes self-locking device to lock the driving, accomplishes the installation of valve hall double-beam bridge crane.
In the laying of the running track in the S1, a part of the track interfering with the sectional turning steel wire rope is temporarily not installed, and after the sectional turning, the track is laid in a sectional normal state; the hanging bars on the crane segments are kept in the same horizontal plane and the same straight line, and the error of the straightness and flatness of the hanging bars on the crane is less than or equal to 2/1000.
The working principle of the invention is as follows: the crane segments are welded with partial travelling crane tracks in the reverse state, so that the travelling crane tracks which interfere with the turning of the crane segments are not installed temporarily, after the crane segments are normal after turning, the rest travelling crane bed-frames are lifted up by adopting the cooperation of a hand pulling block and a jack supported by a cylinder bed-frame, and the rest travelling crane bed-frames are tightly propped up for welding, so that the installation of the rest travelling crane tracks is completed; finally lifting the travelling crane by a forklift, and matching the travelling crane with a travelling crane track by a chain block to realize the installation of the travelling crane; the installation method avoids dismantling the welded travelling rails, improves the installation efficiency and reduces the waste of materials.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A valve hall double-beam bridge crane installation method is characterized in that: the specific installation method is as follows:
s1: and (5) reversely paving the travelling rail: placing the crane segment on the ground to form an inverted state, building a travelling crane track according to the divided segments, welding the built track on the surface of a lifting rib of the inverted crane segment according to a set position, and temporarily laying the travelling crane track which interferes with the turning of the crane segment;
s2: normal paving of the travelling rail: turning the crane segment from a reverse state to a normal state; a chain block is arranged on a lifting rib of a normal crane section, and the other end of the chain block is connected to an uninstalled travelling crane track; lifting the travelling rails to be installed through the chain block, and adjusting the splicing precision of racks among the travelling rails;
s3: and (3) positioning welding of the travelling rail: a cylinder jig frame provided with a jack is arranged at the side of the travelling crane rail in advance, and after the travelling crane rail is hoisted by a chain block and the splicing precision of racks is regulated; pushing the cylinder jig frame into the lower part of the travelling crane rail, simultaneously jacking up the sleeper through a jack to press the travelling crane rail on the end part of the hanging bar, and welding the travelling crane rail on the bottom end of the hanging bar according to welding requirements;
s4: preparation before driving installation: lifting the travelling crane by using an automobile crane, placing the travelling crane on a forklift, and positioning a travelling structure of the travelling crane in the middle of a fork; a rubber pad with the diameter of 3mm is arranged below the rack of the travelling crane; the crane is temporarily bound with the fork by using the hanging belt, and after the balance of the two ends of the crane is confirmed, the steel wire rope is unhooked;
s5: and (3) mounting a travelling crane: adopt fork truck to hold the driving, height-adjusting for the wheel height of driving both sides matches with the height of driving track, loosens the suspender of driving and fork ligature, utilizes the cooperation of chain block to pull into the track with the driving on the fork truck, and the driving is berthhed on the driving track after, installs the drive rack, and utilizes self-locking device to lock the driving, accomplishes the installation of valve hall double-beam bridge crane.
2. The valve hall double-beam bridge crane installation method according to claim 1, wherein: in the step S1, part of the track interfering with the sectional turning steel wire rope is temporarily not installed in the process of paving the running track, and after the sectional turning, the track is paved in a sectional normal state; the hanging bars on the crane segments are kept in the same horizontal plane and the same straight line, and the error of the straightness and flatness of the hanging bars on the crane is less than or equal to 2/1000.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111393399.0A CN114074897B (en) | 2021-11-23 | 2021-11-23 | Valve hall double-beam bridge crane installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111393399.0A CN114074897B (en) | 2021-11-23 | 2021-11-23 | Valve hall double-beam bridge crane installation method |
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| CN114074897A CN114074897A (en) | 2022-02-22 |
| CN114074897B true CN114074897B (en) | 2023-08-22 |
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| CN202111393399.0A Active CN114074897B (en) | 2021-11-23 | 2021-11-23 | Valve hall double-beam bridge crane installation method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213170A (en) * | 1999-01-27 | 2000-08-02 | Sekisui House Ltd | Building erection method using overhead traveling crane |
| JP2012025563A (en) * | 2010-07-26 | 2012-02-09 | Sankyu Inc | Method for installing overhead crane |
| CN204474157U (en) * | 2015-03-13 | 2015-07-15 | 长沙盛泓机械有限公司 | For the equipment for supporting patient with burn of steel box-girder |
| CN105565175A (en) * | 2016-03-08 | 2016-05-11 | 中冶建工集团有限公司 | Installation method for large bridge crane |
| CN108423565A (en) * | 2018-04-18 | 2018-08-21 | 中铁十九局集团轨道交通工程有限公司 | The erection of U-shaped twin beams gantry crane with hook and Demolition Construction method |
| CN110104564A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of bridge crane total coating process |
| CN110835052A (en) * | 2019-10-31 | 2020-02-25 | 南通振华重型装备制造有限公司 | Turnover process in ultra-large type rail crane girder structure workshop |
| CN111483924A (en) * | 2020-04-17 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Bridge crane |
-
2021
- 2021-11-23 CN CN202111393399.0A patent/CN114074897B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213170A (en) * | 1999-01-27 | 2000-08-02 | Sekisui House Ltd | Building erection method using overhead traveling crane |
| JP2012025563A (en) * | 2010-07-26 | 2012-02-09 | Sankyu Inc | Method for installing overhead crane |
| CN204474157U (en) * | 2015-03-13 | 2015-07-15 | 长沙盛泓机械有限公司 | For the equipment for supporting patient with burn of steel box-girder |
| CN105565175A (en) * | 2016-03-08 | 2016-05-11 | 中冶建工集团有限公司 | Installation method for large bridge crane |
| CN108423565A (en) * | 2018-04-18 | 2018-08-21 | 中铁十九局集团轨道交通工程有限公司 | The erection of U-shaped twin beams gantry crane with hook and Demolition Construction method |
| CN110104564A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of bridge crane total coating process |
| CN110835052A (en) * | 2019-10-31 | 2020-02-25 | 南通振华重型装备制造有限公司 | Turnover process in ultra-large type rail crane girder structure workshop |
| CN111483924A (en) * | 2020-04-17 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Bridge crane |
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| CN114074897A (en) | 2022-02-22 |
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Effective date of registration: 20230106 Address after: 226000 No.1 Jiangjing Road, Nantong Economic and Technological Development Zone, Jiangsu Province Applicant after: NANTONG ZHENHUA HEAVY EQUIPMENT MANUFACTURING Co.,Ltd. Applicant after: Three Gorges new energy Nantong Co.,Ltd. Address before: 226000 No.1 Jiangjing Road, Nantong Economic and Technological Development Zone, Jiangsu Province Applicant before: NANTONG ZHENHUA HEAVY EQUIPMENT MANUFACTURING Co.,Ltd. |
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