CN102602833B - Anti-release jacking cross beam of tower crane - Google Patents
Anti-release jacking cross beam of tower crane Download PDFInfo
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- CN102602833B CN102602833B CN2012100869766A CN201210086976A CN102602833B CN 102602833 B CN102602833 B CN 102602833B CN 2012100869766 A CN2012100869766 A CN 2012100869766A CN 201210086976 A CN201210086976 A CN 201210086976A CN 102602833 B CN102602833 B CN 102602833B
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- otic placode
- cross beam
- tower crane
- jacking cross
- release
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Abstract
The invention discloses an anti-release jacking cross beam of a tower crane, and relates to the tower crane. The anti-release jacking cross beam is characterized in that equal-diameter and concentric through holes are manufactured in an inner lug plate, an outer lug plate and a step respectively; a pedal is hung into a clamping groove of the step; an anti-release pin shaft is inserted in the through holes; when a tower body is in section-adding and section-reducing operation, the jacking cross beam can not be separated from the step of the tower body, so that the safety and reliability of operation of the tower crane are ensured; the anti-release pin shaft is a cylinder with a boss at one end, and when the anti-release pin shaft is arranged, the end with the boss is positioned at the outer side of the inner lug plate, so that the operation is convenient; a connecting plate is vertically fixed at the end part with the boss of the anti-release pin shaft, an anti-release baffle is arranged at the outer side of the inner lug plate, and a gap remains between the anti-release baffle and the inner lug plate; and by rotation of the anti-release pin shaft, the connecting plate is clamped in the gap, and the anti-release baffle limits axial floating of the anti-release pin shaft. A small chain is arranged between the connecting plate and the inner lug plate, and when the tower crane is in normal lifting operation, the anti-release pin shaft can not be lost, so that the use next time is convenient.
Description
Technical field
The present invention relates to a kind of tower crane, be specifically related to the jacking cross beam that a kind of tower crane has anti-drop function.
Background technology
Tower crane is building engineering operation crane hoisting equipment commonly used, and its jacking cross beam is the indispensable part of tower crane.Subtract joint during operation when tower crane rising the tower supernumerary segment or fall tower, the pedal at jacking cross beam two ends must be hung on two of column crane mast section mark time, utilize jacking cylinder the certain height of part jacking more than tower machine undersetting, then increase or reduce standard knot.At supernumerary segment or in falling the process of joint, if jacking cross beam is deviate from from standard knot is marked time, will cause serious consequence.Tower crane safety procedure GB5144-2006 6.11 regulation, tower crane must have the tower body of preventing at normal supernumerary segment, while falling the joint operation, the function that jacking cross beam is deviate from from the tower body supporting, otherwise safety inspection do not pass through, and must suspending operations for consolidation.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of tower crane anticreep jacking cross beam, inside and outside otic placode and the three that marks time are made respectively to equal diameter, the through hole of concentric, during use, pedal is hung in the draw-in groove of marking time, again by anti-break pin plug-in mounting through hole, the vertical fixed connecting plate in boss end of anti-break pin, the anticreep baffle plate is installed in the interior otic placode outside, the outer face of anticreep baffle plate and interior otic placode is gapped, the rotary release proof bearing pin, anti-connecting panel is installed in described gap, avoid the anti-break pin play to come off with tower body at normal supernumerary segment, while falling the joint operation, jacking cross beam is deviate from from the tower body supporting, guarantee the tower crane supernumerary segment, it is reliable that the joint job safety is fallen.
The present invention is achieved through the following technical solutions: a kind of tower crane anticreep jacking cross beam, it comprises: the jacking cross beam frame and with the interconnective bearing pin that is connected of marking time on standard section of tower crane.Described jacking cross beam frame is by lower faceplate, web, top panel and two U-shaped steel structure frames that boatswain chair is welded to form, and the upper end of every boatswain chair is connected with interior otic placode with outer otic placode by connecting bearing pin.The rear end welding pedal on described outer otic placode and interior otic placode top, during use, pedal is mounted in the draw-in groove of marking time; The middle part of jacking cross beam frame arranges brace panel and hydraulic ram bearing, and during use, jacking cylinder is arranged on the hydraulic actuating cylinder bearing.It is characterized in that: described inside and outside otic placode and the three that marks time make respectively the through hole of equal diameter, concentric, when pedal is hung in the draw-in groove of marking time, anti-break pin are inserted in described through hole.The cylinder that described anti-break pin is an end band boss, when anti-break pin is installed, be positioned at the outside of otic placode, handled easily with an end of boss.The vertical fixed connecting plate in boss end of anti-break pin, the anticreep baffle plate is installed in the described interior otic placode outside, and the outer face of described anticreep baffle plate and interior otic placode is gapped, the rotary release proof bearing pin, anti-connecting panel is installed in described gap, the end float misalignment of anticreep baffle plate restriction anti-break pin.
Between described connecting panel and interior otic placode, chainlet is set, described chainlet one end is welded on connecting panel, and the other end is welded on the outer face of interior otic placode.
Good effect of the present invention is:
1, utilize anti-break pin that jacking cross beam is connected with marking time of tower machine, the anticreep baffle plate can avoid again the anti-break pin play to come off, tower body is at normal supernumerary segment, while falling the joint operation, and jacking cross beam will not spin off from tower body is marked time, and guarantees that the tower machine operation is safe and reliable.
2, simple to operate, convenient popularization is practical.
3, reasonable structural arrangement, have higher reliability and stability.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
The B that Fig. 2 is Fig. 1 is to view.
The birds-eye view that Fig. 3 is Fig. 2.
The A--A section-drawing that Fig. 4 is Fig. 1.
In figure: 1, lower faceplate, 2, web, 3, boatswain chair, 4, top panel, 5, brace panel, 6, the hydraulic ram bearing, 7, outer otic placode, 8, interior otic placode, 9, connect bearing pin, 10, tower machine standard knot, 11, mark time, 12, anti-break pin, 13, pedal, 14, connecting panel, 15, the anticreep baffle plate, 16, chainlet.
The specific embodiment
A kind of tower crane anticreep jacking cross beam, it comprises: the jacking cross beam frame and with the 11 interconnective bearing pins 9 that are connected of marking time on standard section of tower crane.Described jacking cross beam frame is by lower faceplate 1, web 2, top panel 4 and two U-shaped steel structure frames that boatswain chair 3 is welded to form, and the upper end of every boatswain chair 3 is connected with interior otic placode 8 with outer otic placode 7 by connecting bearing pin 9.The rear end on described outer otic placode 7 and interior otic placode 8 tops welding pedal 13, during use, pedal 13 is mounted in 11 the draw-in groove of marking time.The middle part of jacking cross beam frame arranges brace panel 5 and hydraulic ram bearing 6, and during use, jacking cylinder is arranged on hydraulic actuating cylinder bearing 6.It is characterized in that: described inside and outside otic placode 8,7 and 11 threes that mark time make respectively the through hole of equal diameter, concentric, when pedal 13 is hung in 11 the draw-in groove of marking time, anti-break pin 12 are inserted in described through hole.The cylinder that described anti-break pin 12 is an end band boss, when anti-break pin 12 is installed, be positioned at the outside of otic placode 8 with an end of boss; The vertical fixed connecting plate 14 in the boss end of anti-break pin 12, anticreep baffle plate 15 is installed in described interior otic placode 8 outsides, described anticreep baffle plate 15 is gapped with the outer face of interior otic placode 8, rotary release proof bearing pin 12, anti-connecting panel 14 is installed in described gap, the end float misalignment of anticreep baffle plate 15 restriction anti-break pins 12.
Between described connecting panel 14 and interior otic placode 8, chainlet 16 is set, described chainlet 16 1 ends are welded on connecting panel 14, and the other end is welded on the outer face of interior otic placode 8.
As shown in Figure 1, Figure 2, Figure 3, Figure 4: the tower machine starts lifting guide support adding or falls tower to subtract while saving, pedal 13 on jacking cross beam is mounted in 11 draw-in grooves of marking time of tower machine standard knot, again anti-break pin 12 is inserted into to inside and outside otic placode 8,7 and the through hole of 11 the equal diameter of marking time, concentric in, rotate anti-break pin 12 and connecting panel 14, connecting panel 14 is turned in the gap of anticreep baffle plate 15 and interior otic placode 8, anticreep baffle plate 15 restriction anti-break pin 12 end float misalignments, avoid inside and outside otic placode 8,7 and 11 disengagings of marking time.
Jacking cylinder is arranged on the hydraulic ram bearing 6 on brace panel 5 tops, jacking cylinder is the certain height of part jacking more than tower machine undersetting, increased or reduce the standard knot operation, jacking cross beam will not be marked time 11 and spin off from tower body, guarantees that the tower machine operation is safe and reliable.
After increase or the operation of minimizing standard knot complete, the hydraulic ram retraction, hydraulic ram and tower machine undersetting break away from.Rotate backward anti-break pin 12 and connecting panel 14, make the connecting panel 14 be installed between anticreep baffle plate 15 and interior otic placode 8 leave anticreep baffle plate 15, extract anti-break pin 12, make pedal 13 break away from standard knot and mark time 11, then pedal 13 is mounted on to higher level and marks time on 11, the tower machine carries out operation.
Owing between connecting panel 14 and interior otic placode 8, chainlet 16 being set, when the tower machine carries out normal lifts, anti-break pin 12 hangs from above naturally on interior otic placode 8, can not lose, and next time is easy to use.
Claims (2)
1. a tower crane anticreep jacking cross beam, it comprises: the jacking cross beam frame and with the interconnective bearing pin (9) that is connected of marking time on standard section of tower crane (11); Described jacking cross beam frame is the U-shaped steel structure frame be welded to form by lower faceplate (1), web (2), top panel (4) and two boatswain chairs (3), and the upper end of every boatswain chair (3) is connected with interior otic placode (8) with outer otic placode (7) by connecting bearing pin (9); The rear end welding pedal (13) on described outer otic placode (7) and interior otic placode (8) top, pedal during use (13) is mounted in the draw-in groove of mark time (11); The middle part of jacking cross beam frame arranges brace panel (5) and hydraulic ram bearing (6), and during use, jacking cylinder is arranged on hydraulic ram bearing (6); It is characterized in that: described inside and outside otic placode (8,7) and (11) three that marks time make respectively the through hole of equal diameter, concentric, when pedal (13) is hung in the draw-in groove of mark time (11), anti-break pin (12) are inserted in described through hole; The cylinder that described anti-break pin (12) is an end band boss, when anti-break pin (12) is installed, be positioned at the outside of otic placode (8) with an end of boss; The vertical fixed connecting plate in boss end (14) of anti-break pin (12), anticreep baffle plate (15) is installed in described interior otic placode (8) outside, described anticreep baffle plate (15) is gapped with the outer face of interior otic placode (8), rotary release proof bearing pin (12), connecting panel (14) is installed in the gap of anticreep baffle plate (15) and interior otic placode (8) outer face, the end float misalignment of anticreep baffle plate (15) restriction anti-break pin (12).
2. tower crane anticreep jacking cross beam according to claim 1, it is characterized in that: between described connecting panel (14) and interior otic placode (8), chainlet (16) is set, it is upper that described chainlet (16) one ends are welded on connecting panel (14), and the other end is welded on the outer face of interior otic placode (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100869766A CN102602833B (en) | 2012-03-29 | 2012-03-29 | Anti-release jacking cross beam of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100869766A CN102602833B (en) | 2012-03-29 | 2012-03-29 | Anti-release jacking cross beam of tower crane |
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| Publication Number | Publication Date |
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| CN102602833A CN102602833A (en) | 2012-07-25 |
| CN102602833B true CN102602833B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100869766A Active CN102602833B (en) | 2012-03-29 | 2012-03-29 | Anti-release jacking cross beam of tower crane |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332616A (en) * | 2013-07-12 | 2013-10-02 | 无锡市巨神起重机有限公司 | Anti-drop device of jacking cross beam |
| CN103787211B (en) * | 2014-01-27 | 2016-04-06 | 徐州建机工程机械有限公司 | A kind of tower machine jacking anticreep control setup |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4135961A1 (en) * | 1991-06-04 | 1992-12-10 | Liebherr Werk Biberach Gmbh | CLIMBING DEVICE FOR CLIMBING LARGE CLIMBING WEIGHTS IN TURN TURNING CRANES, WORKING PLATFORMS OR THE LIKE. |
| US5645395A (en) * | 1995-06-06 | 1997-07-08 | Huang; Hsin-Tsung | Building crane apparatus climbable on building walls |
| CN2463372Y (en) * | 2001-02-07 | 2001-12-05 | 方圆集团有限公司 | Tower crane jacking mechanism |
| JP2010006481A (en) * | 2008-06-24 | 2010-01-14 | Ihi Transport Machinery Co Ltd | Quake-isolating support device for crane |
| CN201325833Y (en) * | 2008-11-17 | 2009-10-14 | 安徽建工集团有限公司 | Jacking falling-off prevention device of self-elevation tower crane |
| CN201665489U (en) * | 2010-04-14 | 2010-12-08 | 湖北江汉建筑工程机械有限公司 | Jacking cross beam of tower crane with jacking falling-off prevention function |
| CN201703996U (en) * | 2010-06-01 | 2011-01-12 | 自贡天成工程机械有限公司 | Installation structure of tower crane jacking crossbeam |
| CN201971568U (en) * | 2010-12-22 | 2011-09-14 | 长沙中联重工科技发展股份有限公司 | Jacking cross beam of crane and crane |
| CN202499668U (en) * | 2012-03-29 | 2012-10-24 | 徐州建机工程机械有限公司 | Anti-removing jacking cross beam of tower crane |
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| CN102602833A (en) | 2012-07-25 |
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