CN105066100A - Mounting device for laminated beams of main girder - Google Patents
Mounting device for laminated beams of main girder Download PDFInfo
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- CN105066100A CN105066100A CN201510503598.0A CN201510503598A CN105066100A CN 105066100 A CN105066100 A CN 105066100A CN 201510503598 A CN201510503598 A CN 201510503598A CN 105066100 A CN105066100 A CN 105066100A
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- stoplog
- frame girder
- girder
- hinged
- link
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Abstract
The invention discloses a mounting device for laminated beams of a main girder, and solves the technical problem of clearance leakage in connection of upper and lower laminated beams, which possibly causes joint gaping on the upper and the lower laminated beams. The mounting device comprises an upper laminated beam (1) arranged on a lower laminated beam (2), two left connecting frames are fixedly arranged at the left end of the upper laminated beam (1), two right connecting frames are fixedly arranged at the right end of the upper laminated beam (1), the other end of a left front frame girder (5) and the other end of a right front frame girder (6) are hinged together through a top connecting pin (9), the upper end of a front suspender (10) is connected to the front end of the top connecting pin (9), the upper end of a rear suspender (17) is connected to the rear end of the top connecting pin (9), a horizontal supporting beam (11) is connected between the front suspender (10) and the rear suspender (17), a jack (18) is arranged on the horizontal supporting beam (11), and the upper end of the jack (18) is connected to the lower bottom surface of the lower laminated beam (2) in a propping manner. The mounting device provided by the invention ensures entire quality of boiler installation.
Description
Technical field
The present invention relates to a kind of erecting device of power plant boiler carrier bar, particularly a kind of erecting device of power plant boiler carrying stoplog.
Background technology
Along with the increase of thermal power plant single-machine capacity, the overall weight of boiler and physical dimension are also constantly increasing, and in order to meet the requirement of span and bearing load, design size and the weight of the steel structure great plate beam of carrying boiler are also constantly increasing.At present, the piece weight of steel structure great plate beam has reached more than 150 tons, but is limited to the transport capacity of transporting equipment, generally large girder large for weight is designed to the pattern of upper and lower stoplog, manufacturing factory is divided into large girder and two-layerly up and down makes respectively, assembles after being transported to scene respectively again.When assembling at the scene, be that upper beam and underbeam high-strength bolt are carried out wearing fastening, then welding is implemented to the seam between two beams.When boiler girder stoplog is installed at the scene, general construction method arranges a large-scale hoisting machinery respectively, successively operation is lifted to the upper and lower stoplog of large girder, because being connected of upper and lower stoplog completes in high-altitude, easily cause the connection of upper and lower stoplog not tight, cause the gaping of joints of upper and lower stoplog, have influence on the safe operation of boiler.
Summary of the invention
The invention provides a kind of large girder stoplog erecting device, the amount of deflection solving existing upper and lower stoplog is excessive, connects not tight, easily causes the gaping of joints of upper and lower stoplog, affect the technical problem of load-bearing safety.
The present invention solves above technical problem by the following technical programs:
A kind of large girder stoplog erecting device, comprise lower stoplog, lower stoplog is provided with stoplog, left front link is fixedly installed on front side of the left end of upper stoplog, right front link is fixedly installed on front side of the right-hand member of upper stoplog, left back link is fixedly installed on rear side of the left end of upper stoplog, right back link is fixedly installed on rear side of the right-hand member of upper stoplog, left bearing pin is provided with between left front link and left back link, right bearing pin is provided with between right front link and right back link, one end of left front frame girder is hinged on left bearing pin, one end of right front frame girder is hinged on right bearing pin, it is hinged that the other end of left front frame girder and the other end of right front frame girder pass through top connecting pin, one end of left back frame girder is hinged on left bearing pin, one end of right back frame girder is hinged on right bearing pin, it is hinged that the other end of left back frame girder and the other end of right back frame girder pass through top connecting pin, the upper end of front suspension rod is connected on the front end of top connecting pin, the upper end of rear suspension bar is connected on the rear end of top connecting pin, horizontal shore is connected with between front suspension rod and rear suspension bar, horizontal shore is provided with jack, the upper end apical grafting of jack is on the bottom surface of lower stoplog.
Front suspension rod is screwed together with front set bolt spiral shell and front clamping screw successively through after horizontal shore, and rear suspension bar is screwed together with rear set bolt spiral shell and rear clamping screw successively through after horizontal shore; Top connecting pin is provided with pad and the split pin of fixed derrick, between upper stoplog and lower stoplog, is provided with upper and lower stoplog connecting bolt.
Instant invention overcomes the field erected defective workmanship of large girder stoplog, large girder is installed and easily meets designing requirement, make the installation quality of large girder stoplog obtain effective control, ensure that the total quality of boiler erection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention in main apparent direction;
Fig. 2 is the structural representation of the present invention in left apparent direction.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of large girder stoplog erecting device, comprise lower stoplog 2, lower stoplog 2 is provided with stoplog 1, left front link 3 is fixedly installed on front side of the left end of upper stoplog 1, right front link 4 is fixedly installed on front side of the right-hand member of upper stoplog 1, left back link 15 is fixedly installed on rear side of the left end of upper stoplog 1, right back link is fixedly installed on rear side of the right-hand member of upper stoplog 1, left bearing pin 7 is provided with between left front link 3 and left back link 15, right bearing pin 8 is provided with between right front link 4 and right back link, one end of left front frame girder 5 is hinged on left bearing pin 7, one end of right front frame girder 6 is hinged on right bearing pin 8, it is hinged that the other end of left front frame girder 5 and the other end of right front frame girder 6 pass through top connecting pin 9, one end of left back frame girder 16 is hinged on left bearing pin 7, one end of right back frame girder is hinged on right bearing pin 8, it is hinged that the other end of left back frame girder 16 and the other end of right back frame girder pass through top connecting pin 9, the upper end of front suspension rod 10 is connected on the front end of top connecting pin 9, the upper end of rear suspension bar 17 is connected on the rear end of top connecting pin 9, horizontal shore 11 is connected with between front suspension rod 10 and rear suspension bar 17, horizontal shore 11 is provided with jack 18, the upper end apical grafting of jack 18 is on the bottom surface of lower stoplog 2.
Front suspension rod 10 is screwed together with front set bolt 12 and front clamping screw 13 successively through after horizontal shore 11, and rear suspension bar 17 is screwed together with rear set bolt spiral shell and rear clamping screw 13 successively through after horizontal shore 11; Top connecting pin 9 is provided with pad 19 and the split pin 20 of fixed derrick, between upper stoplog 1 and lower stoplog 2, is provided with upper and lower stoplog connecting bolt 14.
Install stoplog 1, lower stoplog 2, note at upper and lower two beams of end position alignment.Install left front link 3, right front link 4, left front frame girder 5, right front frame girder 6, left bearing pin 7, right bearing pin 8, top connecting pin 9, now the upper and lower stoplog of equipment and attachment form stable triangular supports.The attachments such as front suspension rod 10, horizontal shore 11, front set bolt 12, rear clamping screw 13 are installed.Jacking hydraulic jack, make upper and lower stoplog produce an amount of deflection upwards, and center-line joint is adjacent to, then, fastening and weld, and makes upper and lower stoplog become as a whole, jointly bears downward moment of flexure.
Claims (2)
1. a large girder stoplog erecting device, comprise lower stoplog (2), lower stoplog (2) is provided with upper stoplog (1), it is characterized in that, left front link (3) is fixedly installed on front side of the left end of upper stoplog (1), right front link (4) is fixedly installed on front side of the right-hand member of upper stoplog (1), left back link (15) is fixedly installed on rear side of the left end of upper stoplog (1), right back link is fixedly installed on rear side of the right-hand member of upper stoplog (1), left bearing pin (7) is provided with between left front link (3) and left back link (15), right bearing pin (8) is provided with between right front link (4) and right back link, one end of left front frame girder (5) is hinged on left bearing pin (7), one end of right front frame girder (6) is hinged on right bearing pin (8), it is hinged that the other end of left front frame girder (5) and the other end of right front frame girder (6) pass through top connecting pin (9), one end of left back frame girder (16) is hinged on left bearing pin (7), one end of right back frame girder is hinged on right bearing pin (8), it is hinged that the other end of left back frame girder (16) and the other end of right back frame girder pass through top connecting pin (9), the upper end of front suspension rod (10) is connected on the front end of top connecting pin (9), the upper end of rear suspension bar (17) is connected on the rear end of top connecting pin (9), horizontal shore (11) is connected with between front suspension rod (10) and rear suspension bar (17), horizontal shore (11) is provided with jack (18), the upper end apical grafting of jack (18) is on the bottom surface of lower stoplog (2).
2. a kind of large girder stoplog erecting device according to claim 1, it is characterized in that, front suspension rod (10) is screwed together with front set bolt spiral shell (12) and front clamping screw (13) successively through after horizontal shore (11), and rear suspension bar (17) is screwed together with rear set bolt spiral shell and rear clamping screw (13) successively through after horizontal shore (11); Top connecting pin (9) is provided with pad (19) and the split pin (20) of fixed derrick, between upper stoplog (1) and lower stoplog (2), is provided with upper and lower stoplog connecting bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503598.0A CN105066100B (en) | 2015-08-17 | 2015-08-17 | Large girder stoplog erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503598.0A CN105066100B (en) | 2015-08-17 | 2015-08-17 | Large girder stoplog erecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105066100A true CN105066100A (en) | 2015-11-18 |
| CN105066100B CN105066100B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510503598.0A Active CN105066100B (en) | 2015-08-17 | 2015-08-17 | Large girder stoplog erecting device |
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| Country | Link |
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| CN (1) | CN105066100B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308719A (en) * | 1979-08-09 | 1982-01-05 | Abrahamson Daniel P | Fluid power system |
| CN102943546A (en) * | 2012-11-26 | 2013-02-27 | 上海交通大学 | Main girder for boiler steel structure |
| CN204201861U (en) * | 2014-09-12 | 2015-03-11 | 盐城市劲风节能环保设备有限公司 | A kind of steel construction of boiler steel frame |
| CN104475928A (en) * | 2014-11-25 | 2015-04-01 | 中国五冶集团有限公司 | Boiler steel structure superposed beam manufacturing process |
| CN204430632U (en) * | 2015-01-13 | 2015-07-01 | 山东丰汇设备技术有限公司 | A kind of welding tooling of station boiler steel structure great plate beam |
| CN205014326U (en) * | 2015-08-17 | 2016-02-03 | 中国能源建设集团山西电力建设有限公司 | Big plate -girder stoplog installation device |
-
2015
- 2015-08-17 CN CN201510503598.0A patent/CN105066100B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308719A (en) * | 1979-08-09 | 1982-01-05 | Abrahamson Daniel P | Fluid power system |
| CN102943546A (en) * | 2012-11-26 | 2013-02-27 | 上海交通大学 | Main girder for boiler steel structure |
| CN204201861U (en) * | 2014-09-12 | 2015-03-11 | 盐城市劲风节能环保设备有限公司 | A kind of steel construction of boiler steel frame |
| CN104475928A (en) * | 2014-11-25 | 2015-04-01 | 中国五冶集团有限公司 | Boiler steel structure superposed beam manufacturing process |
| CN204430632U (en) * | 2015-01-13 | 2015-07-01 | 山东丰汇设备技术有限公司 | A kind of welding tooling of station boiler steel structure great plate beam |
| CN205014326U (en) * | 2015-08-17 | 2016-02-03 | 中国能源建设集团山西电力建设有限公司 | Big plate -girder stoplog installation device |
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| CN105066100B (en) | 2017-03-01 |
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