CN103145047A - Lengthening device of girder of crane and method thereof - Google Patents
Lengthening device of girder of crane and method thereof Download PDFInfo
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- CN103145047A CN103145047A CN2013100894137A CN201310089413A CN103145047A CN 103145047 A CN103145047 A CN 103145047A CN 2013100894137 A CN2013100894137 A CN 2013100894137A CN 201310089413 A CN201310089413 A CN 201310089413A CN 103145047 A CN103145047 A CN 103145047A
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- outrigger
- crossbeam
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Abstract
The invention discloses a lengthening device of a girder of a crane. The lengthening device comprises a slip hoist and a conveying trolley, wherein the slip hoist is arranged on the girder of the crane and comprises an outrigger, an oil cylinder, a single-track trolley, a chain block and a shackle fixing rack. The outrigger can stretch along the length direction and is arranged above the girder in parallel, the tail end of the outrigger extends out of the tail end of the girder when the outrigger stretches, the oil cylinder is arranged at the initiating end of the outrigger and can stretch along the length direction of the outrigger so as to push or pull the outrigger to stretch. Tracks are paved at the inner side of the girder, the single-track trolley is arranged on the tracks and moves back and forth along the direction of the tracks, the shackle fixing rack is slidably arranged at the tail end of the outrigger, the chain block is suspended below the shackle fixing rack, and the conveying trolley is arranged on the tracks at the inner side of the girder and is arranged at the same tracks with the single-track trolley. By adopting the lengthening device, under the condition of not shifting a travelling bridge, the girder can be lengthened without using large equipment such as a floating crane, the time limit for a project is relatively shortened, and the cost is low.
Description
Technical field
The present invention relates to shore container crane crossbeam lengthening technology, more particularly, relate to a kind of Crane Beam length extension device and method.
Background technology
At present, box ship is increasing, and the freight container of delivery is more and more, and existing shore container crane can't satisfy the requirement of operation, and harbour is faced with difficult selection: or the buying new installation, or the transformation existing installation.Concerning most of users, buy new installation unrealistic, can only transform existing installation.The scheme of transformation is mainly that crossbeam is lengthened and increases at present.
Crossbeam lengthens two schemes: one, hang ground with crane barge with crossbeam (or head) and lengthen; Its two, bridge crane to backward shift, is hung ground with relatively large weight-lifting equipment with crossbeam (or head) and lengthens transformation.No matter be any, such improvement expenses is higher, and the time is longer.How to solve the reach work of crossbeam head truncation part, and lengthening section from ground to the transportation of crossbeam head, and the docking of lengthening section and truncation surface is the key of dealing with problems.
Summary of the invention
Purpose of the present invention aims to provide a kind of Crane Beam length extension device and method, solves the problem of Crane Beam lengthening cost prohibitive in prior art.
According to the present invention, a kind of Crane Beam length extension device is provided, comprise slippage crane and transport trolley.Wherein, the slippage crane is arranged on the crossbeam of hoisting crane, comprises outrigger, oil cylinder, hand cart, chain block, shackle fixed mount.Outrigger is arranged at the top of crossbeam abreast, and its end stretches out the end of crossbeam.Oil cylinder is arranged at the initiating terminal of described outrigger, and can be flexible along the length direction of outrigger, promotes or pulls head to block the motion of part on outrigger.The inboard track of laying of crossbeam, hand cart is arranged on track, and direction along ng a path moves back and forth.The shackle fixed mount is mounted slidably the end in outrigger, and chain block hangs on below the shackle fixed mount.Transport trolley is arranged on the track of crossbeam inboard, with the same rail of hand cart.
According to one embodiment of the invention, transport trolley comprises the delivery platform for delivery of the crossbeam lengthening section, and delivery platform is the high-temperature operation platform, is used for welding job, but the delivery platform vertical lift.
According to one embodiment of the invention, outrigger has two, is arranged at respectively above two crossbeams, in the middle of two outriggers, channel-section steel is set, and channel-section steel is vertical with outrigger.
According to one embodiment of the invention, the end of outrigger stretches out the distance of crossbeam more than or equal to the length of crossbeam lengthening section.
According to one embodiment of the invention, the end of crossbeam is that head blocks part, and head blocks part and hung by hanger, and hanger is arranged on chain block.
According to one embodiment of the invention, in the clasp of shackle fixed mount, shackle is set, chain block hangs on to unload and buckles.
According to one embodiment of the invention, netted reinforcement grid are set between outrigger and crossbeam.
According to a further aspect in the invention, also provide a kind of Crane Beam lengthening method, comprise the following steps: step 1, mounting slip crane on crossbeam, wherein the slippage crane comprises outrigger, oil cylinder, hand cart, chain block, shackle fixed mount; Outrigger is arranged at the top of crossbeam abreast, and its end stretches out the end of crossbeam; Oil cylinder is arranged at the initiating terminal of outrigger, and can be flexible along the length direction of outrigger, promotes or pulls head to block the motion of part on outrigger; The inboard track of laying of crossbeam, hand cart is arranged on track, and direction along ng a path moves back and forth; The shackle fixed mount is mounted slidably the end in outrigger, and chain block hangs on below the shackle fixed mount.Step 2, the end of intercepting crossbeam blocks part as head, head is blocked part separates with crossbeam, and head blocks part and hangs on below chain block by hanger.Step 3 arranges transport trolley on the track of crossbeam inboard, carry the lengthening section of crossbeam.Step 4, the lengthening section of crossbeam is raised to crossbeam to transport trolley and head blocks between part, and lengthening section and the head of welding crossbeam, crossbeam block part.
According to one embodiment of the invention, above two crossbeams, outrigger is set respectively, in the middle of two outriggers, channel-section steel is set, channel-section steel is vertical with outrigger.
According to one embodiment of the invention, netted reinforcement grid are set between outrigger and crossbeam.
Adopted technical scheme of the present invention, can need not just can realize the transformation that crossbeam lengthens by the main equipment as crane barge in bridge crane need not the displacement situation, the duration is shorter comparatively speaking, and expense is lower.
Description of drawings
In the present invention, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is the front view of Crane Beam length extension device of the present invention;
Fig. 2 is the lateral plan of Crane Beam length extension device of the present invention;
Fig. 3 is the birds-eye view of Crane Beam length extension device of the present invention;
Fig. 4 is the partial enlarged drawing of chain block and shackle;
Fig. 5 is the diagram of circuit of Crane Beam lengthening method of the present invention.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with drawings and Examples.
Seeing figures.1.and.2, carry out the transformation that crossbeam lengthens on shore container crane orderly closedown position, is main purpose of the present invention, do not repel the bridge crane displacement simultaneously yet after other positions do identical transformation.
The crucial end that is crossbeam 5 of transformation of the present invention, namely head blocks the transportation of lengthening section 3 of reach, the crossbeam of part 1, and lengthening section 3 and head block the docking of truncation surface of part 1, crossbeam 5.
The reach that part 1 is blocked in the transportation resources of all material, head is key of the present invention, therefore needs the home-built equipment frock to be realized.The present invention can need not just can realize the transformation that crossbeam lengthens by the main equipment as crane barge in bridge crane need not the displacement situation, be that the duration is shorter comparatively speaking, the professional technique that expense is lower.
The present invention needs homemade equipment to comprise transport trolley 4 and slippage crane 2.Transport trolley 4 is in order to transporting to the crossbeam head with material and frock, and is used for site operation as workplatform.Slippage crane 2 is front moving devices that the crossbeam head blocks part 1.
With reference to Fig. 3 and Fig. 4, slippage crane 2 has two covers, be arranged on the crossbeam 5 of hoisting crane, and each cover of both sides, every cover comprises outrigger 21, oil cylinder 22, hand cart 23, chain block 24, shackle 25, channel-section steel 26.
The inboard track of laying of crossbeam 5, hand cart 23 is arranged on track, and direction along ng a path moves back and forth.Netted reinforcement grid also are set between crossbeam 5 and outrigger 21, are used for strengthening outrigger 21 fixing on crossbeam 5.
The shackle fixed mount is mounted slidably the end in outrigger, and shackle 25 is set in the clasp of shackle fixed mount, and chain block 24 hangs in shackle 25, namely hangs on below the shackle fixed mount.Head blocks part 1 and is hung by hanger, and hanger is arranged on chain block 24.
Enter shown in Figure 5ly, except above-mentioned specialized equipment, the present invention also discloses a kind of Crane Beam lengthening method that utilizes the said equipment to carry out, and comprises the following steps:
S1: before construction, need and to disassemble with parts or structure that engineering is interfered, as dolly, hoist rope and associated components, all need to break away from head and block being connected of part.
S2: provide driving for oneself with hoisting crane, auxiliary material and work be placed on the hoisting crane main carriage, lengthening section 3 is placed on transport trolley 4, and with traveling crane to trolley track, promote transport trolley 4 with main carriage, all material and frock are transported to the crossbeam head.The crossbeam head is the preferred location that crossbeam blocks lengthening.
S3: mounting slip crane 2.Slippage crane 2 is a cover on one side, is comprised of outrigger 21, oil cylinder 22, hand cart 23, chain block 24, shackle fixed mount, and these assemblies are splits, is easy to the location is installed, and does not need special equipment to complete.Introduction has been arranged above the concrete structure of slippage crane 2, repeated no more here.
S4: the back segment that head is blocked part 1 and crossbeam 5 disconnects, are connected with hand cart by hanger, chain block 24 with slippage crane 2 and are connected, specifically, driven by oil cylinder 22, promote hand cart 23 and move forward, head is blocked part 1 transfer forward, until reach the desired location, transfer distance relevant with concrete extension length, for lengthening section 3 be two or more case distance of positions from, can segmentation complete.
S5: lengthening section 3 is parts that crossbeam lengthens, 2.5 meters of length (according to a case position lengthening).Lengthening section 3 is on transport trolley 4, and be positioned at crossbeam 5 belows, disconnect the back lower place in cross section, can lengthening section 3 be promoted to by two chain blocks 24 and lengthen the position, namely with chain block 24, it is directly hung in front crossbeam 5 from the transport trolley 4 and head blocks between part 1, then butt welding is blocked part 1 with the back segment of lengthening section 3 and crossbeam 5 and head and is docked.
S6: check weldquality, and the follow-up works such as polishing, paint, remove tool part, recover the connection of steel rope and appurtenances etc.
S7: the functional rehabilitation or the extension that need because of transformation recover, mainly refer to be positioned at the displacement that deceleration is spacing, parking is spacing on crossbeam, the lengthening of collision avoidance system, and machine room the inside because of lengthen need improved, as the corresponding program setting in hoist rope (even comprising reel), dolly and holder cable dolly (if any) and control system.
Those of ordinary skill in the art will be appreciated that, above specification sheets is only one or more embodiments in the numerous embodiment of the present invention, and is not to use limitation of the invention.Any for the above embodiment equalization variation, modification and be equal to the technical schemes such as alternative, as long as connotation scope according to the invention, all will drop in the scope that claims of the present invention protect.
Claims (10)
1. Crane Beam length extension device comprises that slippage crane, transport trolley and head block part, is characterized in that:
Described slippage crane is arranged on the crossbeam of hoisting crane, comprises outrigger, oil cylinder, hand cart, chain block, shackle fixed mount;
Described outrigger is arranged at the top of described crossbeam abreast, and its end stretches out the end of described crossbeam;
Described oil cylinder is arranged at the initiating terminal of described outrigger, and can be flexible along the length direction of described outrigger, promotes or pulls described head to block the motion of part on described outrigger;
The inboard track of laying of described crossbeam, described hand cart is arranged on described track, moves back and forth along described track alignment;
Described shackle fixed mount is mounted slidably the end in described outrigger, and described chain block hangs on below described shackle fixed mount;
Described transport trolley is arranged on the track of described crossbeam inboard, with the same rail of described hand cart.
2. Crane Beam length extension device as claimed in claim 1, is characterized in that, described head blocks part and hung by hanger, and described hanger is arranged on described chain block; Described head blocks part and is connected with described hand cart with described hanger.
3. Crane Beam length extension device as claimed in claim 1, is characterized in that, described transport trolley comprises the delivery platform for delivery of the crossbeam lengthening section, and described delivery platform is the high-temperature operation platform, is used for welding job, but described delivery platform vertical lift.
4. Crane Beam length extension device as claimed in claim 1, is characterized in that, described outrigger has two, is arranged at respectively above two crossbeams, in the middle of two outriggers, channel-section steel is set, and described channel-section steel is vertical with described outrigger.
5. Crane Beam length extension device as claimed in claim 1, is characterized in that, the end of described outrigger stretches out the distance of described crossbeam more than or equal to the length of described crossbeam lengthening section.
6. Crane Beam length extension device as claimed in claim 1, is characterized in that, in the clasp of described shackle fixed mount, shackle is set, and described chain block hangs on described unloading and buckles.
7. Crane Beam length extension device as claimed in claim 1, is characterized in that, netted reinforcement grid are set between described outrigger and described crossbeam.
8. a Crane Beam lengthening method, is characterized in that, comprises the following steps:
Step 1, mounting slip crane on crossbeam, wherein said slippage crane comprises outrigger, oil cylinder, hand cart, chain block, shackle fixed mount; Described outrigger is arranged at the top of described crossbeam abreast, and its end stretches out the end of described crossbeam; Described oil cylinder is arranged at the initiating terminal of described outrigger, and can be flexible along the length direction of described outrigger, promotes or pulls described head to block the motion of part on described outrigger; The inboard track of laying of described crossbeam, described hand cart is arranged on described track, moves back and forth along described track alignment; Described shackle fixed mount is mounted slidably the end in described outrigger, and described chain block hangs on below described shackle fixed mount;
Step 2, the end of intercepting crossbeam blocks part as head, head is blocked part separates with crossbeam, and described head blocks part and hangs on below described chain block by hanger;
Step 3 arranges transport trolley on the track of described crossbeam inboard, carry the lengthening section of crossbeam;
Step 4, the lengthening section of crossbeam is raised to described crossbeam to described transport trolley and described head blocks between part, and lengthening section and the head of welding crossbeam, crossbeam block part.
9. Crane Beam lengthening method as claimed in claim 8, is characterized in that, above two crossbeams, outrigger is set respectively, in the middle of two outriggers, channel-section steel is set, and described channel-section steel is vertical with described outrigger.
10. Crane Beam lengthening method as claimed in claim 8, is characterized in that, netted reinforcement grid are set between described outrigger and described crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089413.7A CN103145047B (en) | 2013-03-20 | 2013-03-20 | Lengthening device of girder of crane and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089413.7A CN103145047B (en) | 2013-03-20 | 2013-03-20 | Lengthening device of girder of crane and method thereof |
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| Publication Number | Publication Date |
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| CN103145047A true CN103145047A (en) | 2013-06-12 |
| CN103145047B CN103145047B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310089413.7A Active CN103145047B (en) | 2013-03-20 | 2013-03-20 | Lengthening device of girder of crane and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407087A (en) * | 2019-08-26 | 2019-11-05 | 上海振华重工(集团)股份有限公司 | The length extension device and its lengthening method of shore container crane crossbeam |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5550966A (en) * | 1978-10-12 | 1980-04-14 | Sintokogio Ltd | Carrying-out device of castings |
| CN2693736Y (en) * | 2004-04-27 | 2005-04-20 | 天津起重设备有限公司 | Finished product crane |
| US20110192816A1 (en) * | 2005-10-31 | 2011-08-11 | Marine Travellift, Inc. | Powered Auxiliary Hoist Mechanism for a Gantry Crane |
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| CN202626845U (en) * | 2012-05-04 | 2012-12-26 | 北京万桥兴业机械有限公司 | Bridge erection machine carrying bracket |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407087A (en) * | 2019-08-26 | 2019-11-05 | 上海振华重工(集团)股份有限公司 | The length extension device and its lengthening method of shore container crane crossbeam |
| WO2021035570A1 (en) * | 2019-08-26 | 2021-03-04 | 上海振华重工(集团)股份有限公司 | Boom extension device for dockside container crane, and extension method for same |
| AU2019463851B2 (en) * | 2019-08-26 | 2023-08-24 | Shanghai Zhenhua Heavy Industries Co. Ltd | Boom extension device for dockside container crane, and extension method for same |
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| CN103145047B (en) | 2014-12-31 |
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