CN201236101Y - Equalizer bar for hanging - Google Patents
Equalizer bar for hanging Download PDFInfo
- Publication number
- CN201236101Y CN201236101Y CNU2008200868917U CN200820086891U CN201236101Y CN 201236101 Y CN201236101 Y CN 201236101Y CN U2008200868917 U CNU2008200868917 U CN U2008200868917U CN 200820086891 U CN200820086891 U CN 200820086891U CN 201236101 Y CN201236101 Y CN 201236101Y
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- Prior art keywords
- lifting
- girder
- hanger
- lifting hole
- sleeve
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Abstract
The utility model relates to a balanced beam used for lifting, which is characterized by comprising a main beam mechanism and a lifting lug device fixedly arranged on the main beam mechanism. The main beam mechanism comprises a main beam, the lifting lug device comprises a lifting lug main board which is fixed on both end heads of the main beam, and the lifting lug main board has an upper lifting hole and a lower lifting hole, wherein the upper lifting hole is positioned on a shaft line of the main beam, and the lower lifting hole is positioned under the upper lifting hole. The upper lifting hole and the lower lifting hole which are positioned on the lifting lug main board are used for the assembly of a shackle so as to be convenient to connect with a lifting steel rope or a lifting tackle and transmit force to the main beam of the balanced beam. Because the balanced beam used for lifting has the structure that the upper lifting hole is positioned on the shaft line of the main beam and the lower lifting hole is positioned under the upper lifting hole so as to cause the composite force of upper bearing force and lower bearing force to act on a same point and on the shaft line, no bending moment is generated so as to cause the main beam of the balanced beam only to bear pressure action, thereby the weight of the main beam is lightened and the lifting capability of equipment is enhanced.
Description
Technical field
The utility model relates to hoisting hook installation rigging field, specifically refers to a kind of lifting equalizing bar.
Background technology
For the lifting construction of main equipment, can adopt the method for lifting equalizing bar.As shown in figure 10 be lifting at present commonly used with plate hole formula equalizing bar, the hanger mainboard 2 ' that it comprises girder 1 ' and is fixed on girder 1 ' two ends, described hanger mainboard 2 ' comprises hanger mainboard and following hanger mainboard two parts with girder 1 ' boundary; Last hanger mainboard is different with the angle of girder 1 ' with following hanger mainboard, and following hanger mainboard is vertical with girder, becomes θ ' angle (vertical or one-tenth θ ' angle) with girder 1 ' and go up the hanger mainboard; Offer lifting hole(eyelet) 2a ' and following lifting hole(eyelet) 2b ' respectively on last hanger mainboard and the following hanger mainboard.This equalizing bar is when lifting construction, the gravity of institute's hanging device is delivered on the girder 1 ' by hanger mainboard 2 ', aequum girder 1 ' the extended line of stressed F ' and F1 ' concurrent not on the axis of girder 1 ', cause girder 1 ' except being subjected to axle pressure N ', also be subjected to the effect of moment M.Because moment M ' very big to the intensity and the stability influence of equalizing bar girder 1 ', cause design-calculated equalizing bar girder oversize, the Heavy Weight of equalizing bar has reduced the equipment hoisting ability of crane (hoisting crane) to a certain extent.Simultaneously, on structure, the hanger mainboard of this plate hole formula equalizing bar is directly to be welded on the girder, so the length of equalizing bar is fixing nonadjustable, each root equalizing bar can only be applicable to the lifting of same specification equipment, lifts the equipment of different size if desired, must change the length of girder 1 ', the length that changes girder 1 ' then needs the girder and the welding of hanger mainboard of different length, has increased the cost of equipment hoisting.
Summary of the invention
Technical problem to be solved in the utility model is the situation at prior art, and the lifting equalizing bar that does not produce moment of flexure on a kind of hoisting process middle girder is provided.
Another technical matters to be solved in the utility model is the situation at prior art, provide a kind of reduced productive costs, can satisfy the lifting equalizing bar that the different size equipment hoisting requires.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this lifting equalizing bar, it is characterized in that: it comprises girder mechanism and the hanger device that is installed in the girder mechanism, described girder mechanism comprises girder, described hanger device comprises the hanger mainboard that is fixed on the girder two ends, offer lifting hole(eyelet) and following lifting hole(eyelet) on the hanger mainboard, the wherein said lifting hole(eyelet) of going up is opened on the axis of girder, following lifting hole(eyelet) be opened in lifting hole(eyelet) under.Upper and lower two lifting hole(eyelet)s of offering on the hanger mainboard are used to assemble shackle and are connected with lifting steel rope or tackle block with convenient, power is passed to the equalizing bar girder, lifting provided by the utility model will be gone up on the axis that lifting hole(eyelet) is opened in girder with equalizing bar, and will descend the hole to open under last hole, make the upper and lower stressed concurrent and acting on the axis of making a concerted effort, no moment of flexure generation, the effect that the girder of equalizing bar only is stressed, alleviate the weight of girder, increased the lifting ability of equipment.
Described hanger device also comprises sleeve and dividing plate, and described hanger mainboard and sleeve are fixed together by dividing plate, and the external diameter of described sleeve is a bit larger tham the external diameter of girder, and described girder is socketed in the sleeve.The design of sleeve should lift with equalizing bar and be divided into hanger device and girder mechanism two parts from structure, and sleeve pipe can adopt one section steel pipe, and the internal diameter of steel pipe is bigger than the external diameter of girder, can be advisable than being easier to be inserted in sleeve pipe with girder; Sleeve is captiveed joint by the mode of socket with girder, greatly facilitate the length of the girder of replacing different length like this with the adjustment beam, because the girder structure is generally fairly simple, usually satisfactory steel pipe is cut into suitable length and gets final product, avoided repeating to make the waste that equalizing bar causes like this; The effect of dividing plate mainly is that hanger mainboard and sleeve are fixed together, convenient processing; Can adopt the method for welding hanger mainboard and sleeve to be welded on the both sides of dividing plate respectively.
In order to increase the lifting ability of equalizing bar, and further guarantee the safety of lifting, can and be fixed with hanger mainboard reinforced rib and sleeve reinforced rib respectively on the sleeve on the hanger mainboard of the both sides of described dividing plate.
Consider the requirement of intensity, can also on described hanger mainboard, also be installed with the hanger ring stiffener, described ring stiffener be separately positioned on the last lifting hole(eyelet) of hanger mainboard two sides and following lifting hole(eyelet) around.
For the weight that alleviates girder and do not lose the lifting ability, described girder can be tubular structure, and described girder mechanism also comprises the cover plate that is fixed on the girder two ends.The design of cover plate mainly is to cause corrosion in order to prevent rainwater from entering tube interior.
In the such scheme, for after hanger device and equalizing bar mechanism nested installation, make the relative angle of hanger device and girder keep constant, can respectively weld two boards as latch plate, on the medial surface of girder, be installed with the jack board suitable with latch plate in the both sides of sleeve.
Compared with prior art, because of the present utility model will going up on the axis that lifting hole(eyelet) is opened in girder, and down lifting hole(eyelet) be opened in lifting hole(eyelet) under, make the upper and lower stressed concurrent and acting on the axis of making a concerted effort of hanger mainboard, no moment of flexure produces, the effect that the girder of equalizing bar only is stressed has alleviated the weight of girder, has increased the lifting ability of equipment.The utility model is owing to adopted the form of sleeve that hanger device and girder mechanism are separated simultaneously, make and become a kind of detachable relationship between girder and the hanger mainboard, the convenient girder of when the equipment of lifting different size specification, changing easily, the length of only changing girder is the length of adjustable and balancing beam, avoided repeating to make the waste that equalizing bar causes like this, reduce cost, can satisfy the lifting requirements of distinct device.The effect that the girder of the adjustable plate hole lifting of no moment of flexure equalizing bar only is stressed,
Description of drawings
Fig. 1 is the fitting plane scheme drawing of embodiment of the present utility model;
Fig. 2 is the plan sketch of hanger mainboard among the embodiment of the present utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the plan sketch of embodiment middle girder of the present utility model mechanism;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is the plan sketch of hanger device among the embodiment of the present utility model;
Fig. 7 is that the C of Fig. 6 is to view;
Fig. 8 is the force analysis figure that equalizing bar is used in lifting among the embodiment of the present utility model;
Fig. 9 is the force analysis figure of plate hole formula lifting equalizing bar in the background technology of the present utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, this lifting comprises hanger device 2 and girder mechanism 1 with equalizing bar.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 7 and shown in Figure 8, wherein said hanger device 2 comprises hanger mainboard 21, hanger ring stiffener 22, hanger mainboard reinforced rib 28, dividing plate 25, sleeve 26, sleeve reinforced rib 27 and latch plate 29.Offer lifting hole(eyelet) 23 and following lifting hole(eyelet) 24 on the hanger mainboard 21, described going up on the axis of girder 11 that lifting hole(eyelet) 23 is opened in following girder mechanism 1, described down lifting hole(eyelet) 24 be opened in lifting hole(eyelet) 23 under, make this lifting with the upper and lower stressed concurrent and acting on the axis of girder 11 of making a concerted effort of equalizing bar, the effect that the girder 11 of equalizing bar only is stressed reaches girder 11 no moments of flexure liftings; Hanger mainboard 21 is formed by the cutting of steel plate line, considers the requirement of intensity, welds hanger ring stiffener 22 around the both sides of hanger mainboard 21, upper and lower lifting hole(eyelet) respectively.Described dividing plate 25 is used for connecting hanger mainboard 21 and sleeve 26, and hanger mainboard 21 and sleeve 26 are welded on the both sides of dividing plate 25 respectively.Hanger mainboard reinforced rib 28 and sleeve reinforced rib 27 are used to reinforce being connected of hanger mainboard 21 and sleeve 26 and dividing plate 25.Described sleeve 26 is selected one section steel pipe for use, and the internal diameter of steel pipe is bigger than the external diameter of girder 11, can be advisable than being easier to be inserted in sleeve 26 with girder 11.The design of sleeve 26 should lift with equalizing bar and was divided into detouchable hanger device and girder mechanism two parts, thereby with the length of the girder adjustment beam that is convenient for changing different length.Respectively be welded with two boards as latch plate in the both sides of sleeve 26.
As Fig. 1, Fig. 2, Fig. 5 and shown in Figure 6, described girder mechanism 1 comprises girder 11, jack board 13 and cover plate 12.The steel pipe that described girder 11 cuts one section same model as requested gets final product, and simple structure, manufacturing simply simultaneously, because the design of sleeve 26 makes that the replacing of girder is very convenient, have avoided repeating to make the waste that equalizing bar causes.Described jack board 13 is welded on girder 11 steel pipes corresponding to latch plate 29, and when girder 11 was socketed on the sleeve 26, jack board 13 was nested in the latch plate 29, is used for fixing the relative angle of hanger device 2 and girder 11.Cover plate 12 is fixed on the two ends of girder 11, and its function mainly is to cause corrosion in order to prevent rainwater from entering tube interior.
After being inserted in girder 11 covers on the sleeve 26, hanger device 2 and girder mechanism promptly are assembled into a complete no moment of flexure plate hole lifting equalizing bar.
As shown in Figure 9, this lifting with equalizing bar when lifting extended line concurrent on girder 11 axis of stressed F and F1, according to the mechanics triangle, only the be stressed effect of N of girder 11, in identical lifting construction,, reduced the diameter of girder 11 greatly than common used plate hole formula equalizing bar.For example when the equipment of 250 tonnes of liftings, use the adjustable plate hole lifting of no moment of flexure provided by the utility model equalizing bar, the diameter of steel tube of its girder 11 can be reduced to φ 377mm by the φ 529-φ 478mm of general equalizing bar; The adjustable function that it had has simultaneously improved the equalizing bar Occupation coefficient greatly.
Claims (6)
1, a kind of lifting equalizing bar, it is characterized in that: it comprises girder mechanism and the hanger device that is installed in the girder mechanism, described girder mechanism comprises girder, described hanger device comprises the hanger mainboard that is fixed on the girder two ends, offer lifting hole(eyelet) and following lifting hole(eyelet) on the hanger mainboard, the wherein said lifting hole(eyelet) of going up is opened on the axis of girder, following lifting hole(eyelet) be opened in lifting hole(eyelet) under.
2, lifting equalizing bar according to claim 1, it is characterized in that: described hanger device also comprises sleeve and dividing plate, described hanger mainboard and sleeve are fixed together by dividing plate, and the external diameter of described sleeve is a bit larger tham the external diameter of girder, and described girder is socketed in the sleeve.
3, lifting equalizing bar according to claim 2 is characterized in that: on the described hanger mainboard and sleeve on, be fixed with hanger mainboard reinforced rib and sleeve reinforced rib respectively in the both sides of dividing plate.
4, lifting equalizing bar according to claim 3 is characterized in that: also be installed with the hanger ring stiffener on the described hanger mainboard, described ring stiffener be separately positioned on the last lifting hole(eyelet) of hanger mainboard two sides and following lifting hole(eyelet) around.
5, lifting equalizing bar according to claim 1 is characterized in that: described girder is a tubulose, and described girder mechanism also comprises the cover plate that is fixed on the girder two ends.
6, according to claim 2,3 or 5 described lifting equalizing bars, it is characterized in that: the described sleeve outside is installed with latch plate, is installed with the jack board suitable with latch plate on the medial surface of described tubulose girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868917U CN201236101Y (en) | 2008-05-21 | 2008-05-21 | Equalizer bar for hanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868917U CN201236101Y (en) | 2008-05-21 | 2008-05-21 | Equalizer bar for hanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236101Y true CN201236101Y (en) | 2009-05-13 |
Family
ID=40648841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200868917U Expired - Fee Related CN201236101Y (en) | 2008-05-21 | 2008-05-21 | Equalizer bar for hanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236101Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060231A (en) * | 2010-12-23 | 2011-05-18 | 中色科技股份有限公司 | Hoisting method and device for work roller or middle roller |
| CN102050377B (en) * | 2009-11-04 | 2012-10-10 | 烟台来福士海洋工程有限公司 | Method for installing combined hoist and oil production platform drilling equipment |
| CN103950821A (en) * | 2014-05-19 | 2014-07-30 | 中国海洋石油总公司 | Pipeline hoisting rigging |
| CN105620565A (en) * | 2014-11-24 | 2016-06-01 | 卡特彼勒公司 | Equalizer bar method and manufacture |
| CN106672781A (en) * | 2016-10-26 | 2017-05-17 | 中核机械工程有限公司 | Bending-moment-free supporting beam |
| CN111573495A (en) * | 2020-05-18 | 2020-08-25 | 中国核动力研究设计院 | Nuclear power station grid horizontal hoisting tool and use method thereof |
-
2008
- 2008-05-21 CN CNU2008200868917U patent/CN201236101Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050377B (en) * | 2009-11-04 | 2012-10-10 | 烟台来福士海洋工程有限公司 | Method for installing combined hoist and oil production platform drilling equipment |
| CN102060231A (en) * | 2010-12-23 | 2011-05-18 | 中色科技股份有限公司 | Hoisting method and device for work roller or middle roller |
| CN103950821A (en) * | 2014-05-19 | 2014-07-30 | 中国海洋石油总公司 | Pipeline hoisting rigging |
| CN105620565A (en) * | 2014-11-24 | 2016-06-01 | 卡特彼勒公司 | Equalizer bar method and manufacture |
| CN105620565B (en) * | 2014-11-24 | 2020-04-24 | 卡特彼勒公司 | Equalizer beam method and manufacture |
| CN106672781A (en) * | 2016-10-26 | 2017-05-17 | 中核机械工程有限公司 | Bending-moment-free supporting beam |
| CN106672781B (en) * | 2016-10-26 | 2018-04-24 | 中核机械工程有限公司 | One kind is without moment of flexure supporting beam |
| CN111573495A (en) * | 2020-05-18 | 2020-08-25 | 中国核动力研究设计院 | Nuclear power station grid horizontal hoisting tool and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: NINGBO ENGINEERING CO., LTD., SINOPEC Effective date: 20121011 Owner name: SINOPEC NINGBO ENGINEERING COMPANY LIMITED Free format text: FORMER OWNER: CHINA PETROCHEMICAL GROUP CORPORATION Effective date: 20121011 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100088 CHAOYANG, BEIJING TO: 315103 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121011 Address after: 315103 Ningbo high tech Zone, Zhejiang, academician Road, No. 660 Patentee after: SINOPEC Ningbo Engineering Company Limited Address before: 100088, No. six, Xin Xin Street East, Beijing, Chaoyang District Patentee before: China Petrochemical Group Corp. Patentee before: Sinopec Ningbo Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20160521 |