CN110835048A - In-situ rotation method for track crane - Google Patents
In-situ rotation method for track crane Download PDFInfo
- Publication number
- CN110835048A CN110835048A CN201911055460.3A CN201911055460A CN110835048A CN 110835048 A CN110835048 A CN 110835048A CN 201911055460 A CN201911055460 A CN 201911055460A CN 110835048 A CN110835048 A CN 110835048A
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- CN
- China
- Prior art keywords
- rotating
- track crane
- trolleys
- rotary
- crane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
Abstract
The invention discloses a track crane in-situ rotation method, which relates to the technical field of track crane steering and comprises the following steps of jacking a complete machine before the track crane is steered, installing a rotating trolley at the bottom of the track crane after jacking to a proper position, calculating the angle of the rotating trolley to be adjusted so as to ensure that the running tracks of four rotating trolleys are exactly on the same circumference in the steering process, rotating the bottom moving wheels of the four rotating trolleys respectively by α degrees, pulling the two sides of lower beams of door frames on the two sides of the track crane and the opposite angle directions of the steel wire ropes before steering, rotating the track crane by 20 degrees through the movement of the rotating trolleys by traction, and then rotating the track crane for the second time until the track crane integrally rotates by 90 degrees, so that the in-situ 90-degree ship turning of the track crane is completed.
Description
Technical Field
The invention relates to the technical field of rail crane steering, in particular to a rail crane in-situ rotation method.
Background
The rail crane is mainly used for shipping and transporting the complete machine, and the rails of the rail crane for transporting the complete machine are uniformly arranged in the wharf area and are parallel to the wharf shoreline. In practical projects, a storage yard where the rail crane is placed is away from a wharf of a user by hundreds of meters and is not in the range of the wharf area, and meanwhile, two rail directions of the rail crane are perpendicular to a shoreline of the unloading wharf. Therefore, the influence of factors such as loading and unloading operation conditions of a base and a user dock, the docking direction of a ship to be transported and the like is comprehensively considered, when the track crane complete machine is arranged for loading, the longitudinal direction of the track crane and the length direction of the ship must be consistent for loading, and then the track crane must be rotated by 90 degrees integrally and then a large ship is loaded.
In the conventional method, the rail crane is firstly overfitted to the barge, the barge is abutted against the wharf, then the barge is integrally turned to lean against the ship backwards, and the rail crane is overfitted from the barge to the barge, but the scheme is influenced by factors such as ship berthing conditions in the wharf area, tide and water in the wharf and the like, the ship loading task can be completed for more than 1 day and more than several days, the ship loading period is difficult to control, and the binding and unbinding of the barge are also indispensable procedures, so that the comprehensive cost is high. In order to reduce the influence of barge steering on project cycle and achieve the purposes of cost reduction and efficiency improvement, a novel in-situ steering method is invented.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for rotating a track crane in situ, which can solve the problems that the ship loading period caused by steering the track crane by a barge is difficult to control, the comprehensive cost is high, the influence of the ship berthing condition in a wharf area and wharf tide factors is caused, and the like in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the method comprises the following steps:
s1, moving the track crane to a flat open area without a recess to perform pivot steering;
s2, jacking the whole machine before the track crane turns, installing the rotating trolley at the bottom of the track crane after jacking in place, and symmetrically distributing four rotating trolleys at the bottom of the lower beam of the track crane;
s3, calculating the angle of the rotary trolleys to be adjusted to ensure that the running tracks of the four rotary trolleys in the steering process are exactly on the same circumference, namely setting the angle to be rotated to be α, setting the distance between the rotary trolleys on the same side to be L, setting the track gauge of the large trolley to be S, calculating to obtain α through tan α = L/S, determining the angle of the single rotary trolley to be rotated, and symmetrically arranging the rotary trolleys on the same side in a splayed manner to ensure that the running tracks of the four rotary trolleys in the steering process are exactly on the same circumference;
s4, after the rotating trolleys are installed at the bottom of the track crane, rotating wheel moving parts at the bottoms of the four rotating trolleys by an angle α according to the calculated rotating angles, wherein the rotating trolleys on the same side are symmetrically arranged in a splayed shape;
s5, pulling steel wire ropes on two sides and opposite angles of the lower beams of the door frames on two sides of the track crane in the forward turning direction to prevent the door frames from being integrally twisted and deformed in the integral turning and pulling process;
s6, the track crane is dragged by using a crane or a forklift as traction power equipment during steering, the track crane is firstly rotated by 20 degrees through the movement of the rotating trolleys, then the second rotation is carried out until the track crane integrally rotates by 90 degrees, the in-situ 90-degree steering of the track crane is completed, personnel is required to be arranged for each rotating trolley to track and observe the steering condition, the steering is stopped when a problem is found, and the steering is continued after the problem is solved.
Furthermore, the bottom of the rotating trolley is provided with moving wheels, the side edges of the moving wheels are provided with supports, the supports are connected with two rotating shafts of the moving wheels in the same group, the rotating shafts penetrate through the supports, the top of each support is provided with a horizontally arranged bottom plate, the top of each bottom plate is supported with a rotary flange through a support plate, each support plate is trapezoidal, the periphery of each rotary flange is connected with an arc-shaped plate, the bottom of each arc-shaped plate is provided with a support block, each support block is arranged between each arc-shaped plate and each support plate, a rotating table is rotatably connected above each rotary flange, and the top of each rotating table is hinged with;
the four groups of moving wheels are arranged in parallel, and each group of moving wheels is provided with two moving wheels;
the rotary flange is square, and the arc-shaped plate and the rotary flange form a circle;
the rotating column of the rotating platform is arranged in the middle of the rotating flange;
the rotating platform and the bearing platform are of square structures.
Furthermore, the rotating platform is connected with the rotary flange through a connecting pin shaft.
Furthermore, a plurality of bolt holes are arranged at the corners of the rotating table, the corners of the rotary flange and the arc-shaped plate, and the bolt holes are connected through bolts to stop rotation.
The invention has the advantages that:
1. the rail hoisting ship is controllable in period through the in-situ 90-degree rotation of the rail crane, the cost of loading the ship after the barge turns is greatly reduced, and the influence of factors such as the berthing condition of ships in a wharf area, wharf tide and water and the like is avoided;
2. the angle between the moving wheel of the rotary trolley and the rail crane is adjustable, the running tracks of the four rotary trolleys in the steering process are ensured to be just on the same circumference, the rail crane is convenient to rotate for 90 degrees integrally, the arc-shaped plates are additionally arranged on the periphery of the rotary flange, the arc-shaped plates and the rotary flange form a circle, and the rotation stopping of the rotary trolley and the rail crane at any angle can be realized.
Drawings
FIG. 1 is a schematic diagram of the rotary trolley arrangement and travel path of the present invention;
FIG. 2 is a schematic view of the structure of the rotating trolley of the present invention;
fig. 3 is a left side view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the method comprises the following steps:
s1, moving the track crane to a flat open area without a recess to perform pivot steering;
s2, jacking the whole machine before the track crane turns, installing the rotating trolley at the bottom of the track crane after jacking in place, and symmetrically distributing four rotating trolleys at the bottom of the lower beam of the track crane;
s3, calculating the angle of the rotary trolleys to be adjusted to ensure that the running tracks of the four rotary trolleys are exactly on the same circumference in the steering process, namely setting the angle to be rotated to be α, setting the distance between the rotary trolleys on the same side to be L, setting the track gauge of the large trolley to be S, setting the L to be 10160mm and the S to be 22500mm, calculating to obtain α of 24 degrees through tan α = L/S, determining that the single rotary trolley needs to rotate 24 degrees, and symmetrically arranging the rotary trolleys on the same side in a shape of Chinese character 'ba', and ensuring that the running tracks of the four rotary trolleys in the steering process are exactly on the same circumference;
s4, after the rotating trolleys are installed at the bottom of the track crane, according to the calculated rotating angles, the bottom wheel shifting parts of the four rotating trolleys are respectively rotated by 24 degrees, and the rotating trolleys on the same side are symmetrically arranged in a splayed shape;
s5, pulling steel wire ropes on two sides and opposite angles of the lower beams of the door frames on two sides of the track crane in the forward turning direction to prevent the door frames from being integrally twisted and deformed in the integral turning and pulling process;
s6, the track crane is dragged by using a crane or a forklift as traction power equipment during steering, the track crane is firstly rotated by 20 degrees through the movement of the rotating trolleys, then the second rotation is carried out until the track crane integrally rotates by 90 degrees, the in-situ 90-degree steering of the track crane is completed, personnel is required to be arranged for each rotating trolley to track and observe the steering condition, the steering is stopped when a problem is found, and the steering is continued after the problem is solved.
The bottom of the rotating trolley is provided with a moving wheel 1, the moving wheel 1 is convenient for moving the rotating trolley, the side edge of the moving wheel 1 is provided with a support 2, the support 2 is connected with a rotating shaft of the moving wheel 1, the support 2 plays a supporting role for the moving wheel 1, the top of the support 2 is provided with a bottom plate 3 which is horizontally arranged, the bottom plate 3 plays a supporting role for the parts on the bottom plate, the top of the bottom plate 3 is supported with a rotary flange 5 through a support plate 4, the rotary flange 5 can support the rotary part of the upper part for a certain angle, the periphery of the rotary flange 5 is connected with an arc-shaped plate 6, so that the upper part can be better supported when rotating, the bottom of the arc-shaped plate 6 is provided with a support block 7 for supporting the arc-shaped plate 6, the support block 7 is arranged between the arc-shaped plate 6 and the support plate 4, a rotating platform 8 is rotatably connected above the, the top of the rotating platform 8 is hinged with a bearing platform 9 for supporting the track crane;
the moving wheels 1 are arranged in four groups in parallel, and each group of moving wheels 1 is provided with two moving wheels;
the rotary flange 5 is square, and the arc-shaped plate 6 and the rotary flange 5 form a circle;
the rotating column of the rotating platform 8 is arranged in the middle of the rotary flange 5;
the rotating platform 8 and the bearing platform 9 are of square structures.
The supporting plate 4 is trapezoidal, so that good support can be realized, and materials are saved.
The support 2 is connected with two rotating shafts of the moving wheels 1 in the same group, and the rotating shafts penetrate through the support 2.
The rotating platform 8 is connected with the rotary flange 5 through a connecting pin shaft, and the rotating platform 8 and the rotary flange 5 freely rotate around the connecting pin shaft.
Be equipped with a plurality of bolt holes on the edge of revolving stage 8, the edge of turning flange 5, arc 6, the bolt hole ends the commentaries on classics through bolted connection, if do not have arc 6, revolving stage 8 can only rotate 90 back and end the commentaries on classics through bolted connection, can't realize arbitrary angle rotation and end the commentaries on classics, add and establish behind the arc 6, use bolted connection to end the commentaries on classics when revolving stage 8 is rotatory to appointed angle of being convenient for.
The rotating platform 8 and the rotary flange 5 can rotate for a certain angle, so that the angle between the moving wheel 1 and the track crane can be adjusted to be 24 degrees, and the rotating trolleys on the same side are symmetrically arranged in a splayed manner; the arc-shaped plate 6 and the rotary flange 5 form a circle together, so that the rotary table 8 can be conveniently connected and stopped rotating by bolts when rotating to a specified angle, after the four rotary trolleys are adjusted by 24 degrees, the running tracks of the four rotary trolleys in the steering process can be exactly on the same circle, and after the rotary trolleys receive traction operation, the whole track crane can be rotated by 90 degrees, and the original-place turning of the track crane is realized; because the steering on land is not influenced by factors such as the berthing condition of ships in a wharf area, tidal waters of the wharf and the like, a plurality of machines can be continuously steered and changed within 1 day, and the time comparison shows that the land steering and changing has more advantages, can provide guarantee for short-period ship loading, and greatly reduces the cost generated by pivot steering compared with the cost generated by barge steering.
According to the specific embodiment, the rail crane rotates in situ by 90 degrees, so that the period of the rail crane ship is controllable, the cost of loading the ship after the barge turns is greatly reduced, and the influence of factors such as the berthing condition of ships in a wharf area, wharf tidal waters and the like is avoided; the angle between the moving wheel of the rotary trolley and the rail crane is adjustable, the running tracks of the four rotary trolleys in the steering process are ensured to be just on the same circumference, the rail crane is convenient to rotate for 90 degrees integrally, the arc-shaped plates are additionally arranged on the periphery of the rotary flange, the arc-shaped plates and the rotary flange form a circle, and the rotation stopping of the rotary trolley and the rail crane at any angle can be realized.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A rail crane in-situ rotation method is characterized by comprising the following steps: the method comprises the following steps:
s1, moving the track crane to a flat open area without a recess to perform pivot steering;
s2, jacking the whole machine before the track crane turns, installing the rotating trolley at the bottom of the track crane after jacking in place, and symmetrically distributing four rotating trolleys at the bottom of the lower beam of the track crane;
s3, calculating the angle of the rotary trolleys to be adjusted to ensure that the running tracks of the four rotary trolleys in the steering process are exactly on the same circumference, namely setting the angle to be rotated to be α, setting the distance between the rotary trolleys on the same side to be L, setting the track gauge of the large trolley to be S, calculating to obtain α through tan α = L/S, determining the angle of the single rotary trolley to be rotated, and symmetrically arranging the rotary trolleys on the same side in a splayed manner to ensure that the running tracks of the four rotary trolleys in the steering process are exactly on the same circumference;
s4, after the rotating trolleys are installed at the bottom of the track crane, rotating wheel moving parts at the bottoms of the four rotating trolleys by an angle α according to the calculated rotating angles, wherein the rotating trolleys on the same side are symmetrically arranged in a splayed shape;
s5, pulling steel wire ropes on two sides and opposite angles of the lower beams of the door frames on two sides of the track crane in the forward turning direction to prevent the door frames from being integrally twisted and deformed in the integral turning and pulling process;
s6, the track crane is dragged by using a crane or a forklift as traction power equipment during steering, the track crane is firstly rotated by 20 degrees through the movement of the rotating trolleys, then the second rotation is carried out until the track crane integrally rotates by 90 degrees, the in-situ 90-degree steering of the track crane is completed, personnel is required to be arranged for each rotating trolley to track and observe the steering condition, the steering is stopped when a problem is found, and the steering is continued after the problem is solved.
2. The in-situ rotation method of the track crane according to claim 1, characterized in that: the bottom of the rotating trolley is provided with moving wheels, the side edges of the moving wheels are provided with supports, the supports are connected with two rotating shafts of the moving wheels in the same group, the rotating shafts penetrate through the supports, the top of each support is provided with a horizontally arranged bottom plate, the top of each bottom plate is supported with a rotary flange through a support plate, the support plates are trapezoidal, the peripheries of the rotary flanges are connected with an arc-shaped plate, the bottom of the arc-shaped plate is provided with support blocks, the support blocks are arranged between the arc-shaped plate and the support plates, a rotating table is rotatably connected above the rotary flanges, and the top of each rotating table is hinged;
the four groups of moving wheels are arranged in parallel, and each group of moving wheels is provided with two moving wheels;
the rotary flange is square, and the arc-shaped plate and the rotary flange form a circle;
the rotating column of the rotating platform is arranged in the middle of the rotating flange;
the rotating platform and the bearing platform are of square structures.
3. The in-situ rotation method of the track crane as claimed in claim 2, wherein: the rotating platform is connected with the rotary flange through a connecting pin shaft.
4. The in-situ rotation method of the track crane as claimed in claim 2, wherein: and a plurality of bolt holes are arranged at the corners of the rotating table, the corners of the rotary flange and the arc-shaped plate and are connected through bolts to stop rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055460.3A CN110835048A (en) | 2019-10-31 | 2019-10-31 | In-situ rotation method for track crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055460.3A CN110835048A (en) | 2019-10-31 | 2019-10-31 | In-situ rotation method for track crane |
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| Publication Number | Publication Date |
|---|---|
| CN110835048A true CN110835048A (en) | 2020-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911055460.3A Pending CN110835048A (en) | 2019-10-31 | 2019-10-31 | In-situ rotation method for track crane |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323416A (en) * | 2008-07-28 | 2008-12-17 | 三一集团有限公司 | Tyre type container gantry crane and steering apparatus thereof |
| CN101348210A (en) * | 2008-07-15 | 2009-01-21 | 三一集团有限公司 | Track transfer apparatus, track transfer connection device, transfer system and method |
| CN201410956Y (en) * | 2009-07-20 | 2010-02-24 | 南通振华重型装备制造有限公司 | Transfer rubber trolley for rail crane |
| CN202643144U (en) * | 2012-05-10 | 2013-01-02 | 上海增欣机电设备制造有限公司 | Hydraulic four-column telescopic gantry crane |
| CN106429830A (en) * | 2016-10-31 | 2017-02-22 | 北京环境特性研究所 | Gantry crane all-dimensional steering device and method |
| US20180215199A1 (en) * | 2017-01-31 | 2018-08-02 | Rex Enterprises, Llc | Self-Steering Wheels for Overhead Crane or Train Car |
| CN208378173U (en) * | 2018-04-17 | 2019-01-15 | 绍兴南特起重设备有限公司 | A kind of Novel hanging beam |
-
2019
- 2019-10-31 CN CN201911055460.3A patent/CN110835048A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348210A (en) * | 2008-07-15 | 2009-01-21 | 三一集团有限公司 | Track transfer apparatus, track transfer connection device, transfer system and method |
| CN101323416A (en) * | 2008-07-28 | 2008-12-17 | 三一集团有限公司 | Tyre type container gantry crane and steering apparatus thereof |
| CN201410956Y (en) * | 2009-07-20 | 2010-02-24 | 南通振华重型装备制造有限公司 | Transfer rubber trolley for rail crane |
| CN202643144U (en) * | 2012-05-10 | 2013-01-02 | 上海增欣机电设备制造有限公司 | Hydraulic four-column telescopic gantry crane |
| CN106429830A (en) * | 2016-10-31 | 2017-02-22 | 北京环境特性研究所 | Gantry crane all-dimensional steering device and method |
| US20180215199A1 (en) * | 2017-01-31 | 2018-08-02 | Rex Enterprises, Llc | Self-Steering Wheels for Overhead Crane or Train Car |
| CN208378173U (en) * | 2018-04-17 | 2019-01-15 | 绍兴南特起重设备有限公司 | A kind of Novel hanging beam |
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Application publication date: 20200225 |
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