CN102795552A - Lifting drive mechanism of travelling crane - Google Patents
Lifting drive mechanism of travelling crane Download PDFInfo
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- CN102795552A CN102795552A CN2012103122586A CN201210312258A CN102795552A CN 102795552 A CN102795552 A CN 102795552A CN 2012103122586 A CN2012103122586 A CN 2012103122586A CN 201210312258 A CN201210312258 A CN 201210312258A CN 102795552 A CN102795552 A CN 102795552A
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Abstract
The invention discloses a lifting drive mechanism of a travelling crane. The lifting drive mechanism of the travelling crane comprises a hydraulic oil cylinder and a lifting beam, wherein the top surface of a main beam of the travelling crane is provided with a drive shaft, a driven shaft located at left and right of the drive shaft and a gear rack pair; big chain wheels located at the front side and the back side of a gear are arranged on the drive shaft; the driven shaft is provided with small chain wheels corresponding to the big chain wheels and a lifting wheel; the big chain wheels and the small chain wheels are connected by chain rings; the top surface of the main beam of the travelling crane is provided with two first guide wheels respectively corresponding to two lifting wheels; two second guide wheels are arranged at the left and the right of the lifting beam; the main beam is connected with two lifting ropes to correspond to the two second guide wheels; each lifting rope passes through the second guide wheel, the lifting wheel and the first guide wheel all of which are at the same side; and the terminal of each lifting rope is connected with a balancing weight. Therefore, the maximum stroke of the hydraulic oil cylinder can be smaller than the maximum lifting distance, and the investment at the early stage and the use cost at the later stage of the hydraulic oil cylinder can be decreased. According to the force-saving principle of pulleys, the lifting drive mechanism of the travelling crane, disclosed by the invention, is good for protecting the hydraulic oil cylinder.
Description
Technical field
The present invention relates to driving lifting transmission device.
Background technology
In production process of gas concrete, often need the aerated concrete finished product lifting be run to assigned address through the special use driving.Chinese patent number is that the utility model of ZL 200420028850.4 (Granted publication CN 2693736Y) discloses a kind of finished product hoisting crane, belongs to the finished product hoisting crane of aerated concrete specialized equipment.On girder, be fixed with two vertical tracks vertically downward, two suspender arms arranged and between these two suspender arms, install an anchor clamps crossbeam, on this anchor clamps crossbeam, be uniformly distributed with and be fixed with a row the folder anchor clamps in operation between two vertical tracks.The up-down of anchor clamps crossbeam is taked to be fixed with hydraulic ram at the medium position of girder; The Trolley that this hydraulic ram moves on the track of girder through lifting rope tractive one; Be fixed with chain wheel set on the girder; Chain wheel set on this anchor clamps crossbeam on the corresponding girder is fixed with lifting rope, and Trolley is realized the up-down of anchor clamps crossbeam through tractive chain rope.Above-mentioned utility model need be provided with Trolley on the track of girder, structure is complicated, and maintenance cost is higher.At present the lifting transmission device of aerated concrete finished product hoisting crane generally is the up-down that is directly realized the anchor clamps crossbeam by hydraulic ram through the chain rope, thus the range that requires hydraulic ram greater than maximum sling height, early investment is bigger.
Summary of the invention
The range that the objective of the invention is to propose a kind of hydraulic ram can be less than the driving derricking gear of maximum sling height.
For achieving the above object, the present invention takes following technical scheme:
The present invention includes hydraulic ram that is arranged on the driving girder end face and the hoisting cross beam that is in driving girder below; Driving girder end face is provided with imput shaft, the driven shaft of a left and right sides that has the initiative and a rack-and-pinion; The tooth bar of rack-and-pinion drives slippage by said hydraulic ram; Gear is installed on the imput shaft to drive on the imput shaft and rotates, on the imput shaft and the front and back side that is in gear respectively be provided with hinge wheel, each driven shaft be provided with and the cooresponding minor sprocket of hinge wheel with play a hanging wheel; Connect by chain link between each hinge wheel and the cooresponding minor sprocket; Driving girder end face is provided with two first track adjusting wheels of respectively corresponding two hanging wheels, respectively is provided with second track adjusting wheel at the left and right sides of hoisting cross beam, and corresponding two second track adjusting wheels connect two lifting ropes on girder; Every lifting rope passes through second track adjusting wheel, the hanging wheel and first track adjusting wheel of homonymy, and its terminal connects clump weight.
Said driving girder end face is provided with bearing, and tooth bar slides on bearing, and said imput shaft is supported by pair of bearing.
Said bearing is provided with guide rail, and said tooth bar bottom surface is provided with slide block, and tooth bar slides on guide rail through slide block.
Connected by bearing pin between the piston rod of said hydraulic ram and the tooth bar, bearing pin is provided with oscillating bearing.
Corresponding each second track adjusting wheel is provided with a lifting rope tightener on the driving girder, and the top of said lifting rope is connected on the lifting rope tightener.
Above-mentioned lifting rope adopts wirerope, correspondingly, plays hanging wheel, second track adjusting wheel and first track adjusting wheel and adopts pulley.
Above-mentioned lifting rope adopts chain, correspondingly, plays hanging wheel, first track adjusting wheel and second track adjusting wheel and adopts sprocket wheel.
The present invention has following good effect: among the present invention; Twice reducing through hinge wheel, minor sprocket and a hanging wheel; Sling height is amplified; So the range of hydraulic ram can be lifted by crane distance less than maximum, can reduce the early investment of hydraulic ram for this reason, reduced the long travel hydraulic ram simultaneously in the flexural deformation of working environment lower piston rod over a long time and the maintenance that brings and the later stage use cost of replacing.The present invention is according to the laborsaving principle of movable pulley, and favourable protection to hydraulic ram can prolong service life of hydraulic ram, can reduce the later stage use cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is the enlarged drawing of transmission gearbox part among Fig. 1.
The specific embodiment
Above-mentioned lifting rope 15 can adopt wirerope, correspondingly, plays hanging wheel 7, first track adjusting wheel 10 and second track adjusting wheel 14 and adopts pulley, and lifting rope tightener 16 adopts the wirerope tightener.
Above-mentioned lifting rope 15 can adopt chain, correspondingly, plays hanging wheel 7, first track adjusting wheel 10 and second track adjusting wheel 14 and adopts sprocket wheel, and lifting rope tightener 16 adopts the chain tightener.
Be fixed with transmission gearbox 12 on said driving girder 1 end face, hydraulic ram 2 is fixed on the transmission gearbox 12.Transmission gearbox 12 internal fixation have bearing 18, on bearing 18, are provided with guide rail 19, and tooth bar 4-2 bottom surface is provided with slide block 4-2-1, and tooth bar 4-2 slides on guide rail 19 through slide block 4-2-1.Said imput shaft 3 is by pair of bearing 22 supportings that are installed on the transmission gearbox 12 relative walls, and the bearing 23 that is provided with in the bearing seat 22 is band cover of dust deep groove ball bearing.Said two driven shafts 9 are supported by the two stands 20 on driving girder 1 end face respectively.Being provided with of transmission gearbox 12 has been the effect of support on the one hand, can provide convenience for installation on the other hand.
Because it is identical that the hand of rotation of hanging wheel 7 is played in both sides; The clump weight 17 of one side can be in the outside of hoisting cross beam 21, and clump weight 17 can be suspended on the lifting rope 15, and the clump weight 17 of opposite side is as being suspended on the lifting rope 15; Then disturb with hoisting cross beam 21; Car owner's beam 1 is provided with oblique orbit 24 so take to be expert at, and oblique orbit 24 is the straight-line motion coro bearng, and clump weight 17 slides on the straight-line motion coro bearng.Among Fig. 1, hinge wheel 5 is a clickwise, and the clump weight 17 on the lifting rope 15 on right side hangs, and the clump weight 17 on the lifting rope 15 in left side is on oblique orbit 24, to slide.
Because bearing 18 is shorter, and the long transmission gearbox that stretches out of tooth bar 4-2, so between the piston rod 2-1 of hydraulic ram 2 and tooth bar 4-2, connected by bearing pin 13, bearing pin 13 is provided with oscillating bearing 13-1.
The present invention requires n D＞2 d; N is the ratio of hinge wheel and minor sprocket diameter; D is the lifting wheel diameter; D is a gear diameter.This is because the stroke that the ratio of the stroke of the height of lifting and hydraulic ram greater than 1, just can make the height of lifting compare hydraulic ram amplifies.The length that hydraulic ram drive tooth bar moves promptly is the stroke of hydraulic ram, for conveniently saying something, supposes that the stroke of hydraulic ram equals π d; Just in time driven gear 4-1 rotates a circle, and hinge wheel 5 diameters are n with the ratio of minor sprocket 8 diameters, and gear 4-1 rotated for 1 week; In 51 weeks of rotation of hinge wheel, then 8 rotation n weeks of minor sprocket, play hanging wheel 7 and also rotate n week; Playing hanging wheel 7, to drive the length that lifting ropes move be n π D; Owing to be the movable pulley structure, the height of lifting is that half of lifting rope movable length is n π D/2, so require n π D＞2 d.The diameter of said gear 4-1, hanging wheel 7 diameter, large and small sprocket diameter are meant each reference diameter.
To each parameter among the present invention, should do comprehensive consideration, according to user's different requirement parameter is chosen, make gear 4-1 diameter, play hanging wheel 7 diameter d, large and small sprocket wheel diameter mutually more suitable than n.
During lifting, the piston rod of hydraulic ram 2 stretches out forward.Through rack-and-pinion 4, convert straight-line motion into and rotatablely move, through each by hinge wheel, minor sprocket, play two wheels that hanging wheel, second track adjusting wheel and lifting rope form and drive hoisting cross beam 21 liftings.
Claims (7)
1. transmission device is lifted by crane in a driving; Comprise the hoisting cross beam (21) that is arranged on the hydraulic ram (2) on driving girder (1) end face and is in driving girder (1) below; It is characterized in that: driving girder (1) end face is provided with imput shaft (3), the driven shaft (9) and a rack-and-pinion (4) of axle (3) left and right sides that has the initiative; The tooth bar (4-2) of rack-and-pinion (4) drives slippage by said hydraulic ram (2); Gear (4-1) is installed in (3) rotation on (3) last drive imput shaft on the imput shaft; Imput shaft (3) goes up and the front and back side that is in gear (4-1) respectively is provided with hinge wheel (5); Each driven shaft (9) is provided with and the cooresponding minor sprocket of hinge wheel (5) (8) and one hanging wheel (7), is connected by chain link (6) between each hinge wheel (5) and the cooresponding minor sprocket (8), and driving girder (1) end face is provided with two first track adjusting wheels (10) of respectively corresponding two hanging wheels (7); Left and right sides at hoisting cross beam (21) respectively is provided with second track adjusting wheel (14); Go up corresponding two second track adjusting wheels (14) at girder (1) and connect two lifting ropes (15), every lifting rope (15) is through second track adjusting wheel (14), the hanging wheel (7) and first track adjusting wheel (10) of homonymy, and its terminal connects clump weight (17).
2. driving lifting transmission device according to claim 1, it is characterized in that: said driving girder (1) end face is provided with bearing (18), and tooth bar (4-2) slides on bearing (18), and said imput shaft (3) is supported by pair of bearing (22).
3. driving lifting transmission device according to claim 2; It is characterized in that: said bearing (18) is provided with guide rail (19); Said tooth bar (4-2) bottom surface is provided with slide block (4-2-1), and tooth bar (4-2) slides on guide rail (19) through slide block (4-2-1).
4. driving lifting transmission device according to claim 1, it is characterized in that: connected by bearing pin (13) between the piston rod (2-1) of said hydraulic ram (2) and the tooth bar (4-2), bearing pin (13) is provided with oscillating bearing (13-1).
5. driving lifting transmission device according to claim 1; It is characterized in that: driving girder (1) is gone up corresponding each second track adjusting wheel (14) and is provided with a lifting rope tightener (16), and the top of said lifting rope (15) is connected on the lifting rope tightener (16).
6. according to the described driving lifting of one of claim 1 to 5 transmission device, it is characterized in that: above-mentioned lifting rope (15) adopts wirerope, correspondingly, plays hanging wheel (7), second track adjusting wheel (14) and first track adjusting wheel (10) and adopts pulley.
7. according to the described driving lifting of one of claim 1 to 5 transmission device, it is characterized in that: above-mentioned lifting rope (15) adopts chain, correspondingly, plays hanging wheel (7), first track adjusting wheel (10) and second track adjusting wheel (14) and adopts sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312258.6A CN102795552B (en) | 2012-08-29 | 2012-08-29 | Lifting drive mechanism of travelling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312258.6A CN102795552B (en) | 2012-08-29 | 2012-08-29 | Lifting drive mechanism of travelling crane |
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| Publication Number | Publication Date |
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| CN102795552A true CN102795552A (en) | 2012-11-28 |
| CN102795552B CN102795552B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210312258.6A Active CN102795552B (en) | 2012-08-29 | 2012-08-29 | Lifting drive mechanism of travelling crane |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192724A (en) * | 2014-08-21 | 2014-12-10 | 广东南桂起重机械有限公司 | Special crane for production of aluminum profile |
| CN104310214A (en) * | 2014-09-30 | 2015-01-28 | 福建海源自动化机械股份有限公司 | Counter weight safety balance mechanism of girder of large portal frame |
| CN105174070A (en) * | 2015-10-20 | 2015-12-23 | 广东南桂起重机械有限公司 | Special crane provided with hoisting trolleys and used for aluminum sectional material |
| CN106348178A (en) * | 2016-11-11 | 2017-01-25 | 江苏天元智能装备股份有限公司 | Blank carrying vehicle |
| CN108792986A (en) * | 2018-06-26 | 2018-11-13 | 东莞唯度电子科技服务有限公司 | A kind of building assembly hanging device |
| CN108931524A (en) * | 2018-04-27 | 2018-12-04 | 上海宝钢工业技术服务有限公司 | Rail mounted driving hanging beam fatigue crack detection device |
| CN109698463A (en) * | 2019-03-06 | 2019-04-30 | 潍坊科技学院 | A kind of the Electron-Optics Analysis system is provided with Wavelength tunable laser |
| CN110723634A (en) * | 2019-11-09 | 2020-01-24 | 国网河南省电力公司新安县供电公司 | Suspension device for mounting power equipment for power engineering |
| CN113511451A (en) * | 2021-07-07 | 2021-10-19 | 罗伯泰克自动化科技（苏州）有限公司 | Bridge type stacker shared by overlong multiple roadways |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693737Y (en) * | 2004-04-27 | 2005-04-20 | 天津起重设备有限公司 | Flip crane |
| CN201214596Y (en) * | 2008-05-28 | 2009-04-01 | 厦门市建筑科学研究院集团股份有限公司 | Improved fixed-point hoisting double beam bridge crane for filling gas out of kettle |
| CN201343385Y (en) * | 2008-11-14 | 2009-11-11 | 天津起重设备有限公司 | Concentrated driving finished product checking crane |
| US20110049076A1 (en) * | 2009-09-02 | 2011-03-03 | Wehrli Richard F | Method and Apparatus for Vertically Orienting Precast Concrete Wall Panels |
-
2012
- 2012-08-29 CN CN201210312258.6A patent/CN102795552B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693737Y (en) * | 2004-04-27 | 2005-04-20 | 天津起重设备有限公司 | Flip crane |
| CN201214596Y (en) * | 2008-05-28 | 2009-04-01 | 厦门市建筑科学研究院集团股份有限公司 | Improved fixed-point hoisting double beam bridge crane for filling gas out of kettle |
| CN201343385Y (en) * | 2008-11-14 | 2009-11-11 | 天津起重设备有限公司 | Concentrated driving finished product checking crane |
| US20110049076A1 (en) * | 2009-09-02 | 2011-03-03 | Wehrli Richard F | Method and Apparatus for Vertically Orienting Precast Concrete Wall Panels |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192724A (en) * | 2014-08-21 | 2014-12-10 | 广东南桂起重机械有限公司 | Special crane for production of aluminum profile |
| CN104192724B (en) * | 2014-08-21 | 2016-04-13 | 广东南桂起重机械有限公司 | Special purpose crane produced by a kind of aluminium section bar |
| CN104310214A (en) * | 2014-09-30 | 2015-01-28 | 福建海源自动化机械股份有限公司 | Counter weight safety balance mechanism of girder of large portal frame |
| CN105174070A (en) * | 2015-10-20 | 2015-12-23 | 广东南桂起重机械有限公司 | Special crane provided with hoisting trolleys and used for aluminum sectional material |
| CN106348178A (en) * | 2016-11-11 | 2017-01-25 | 江苏天元智能装备股份有限公司 | Blank carrying vehicle |
| CN108931524A (en) * | 2018-04-27 | 2018-12-04 | 上海宝钢工业技术服务有限公司 | Rail mounted driving hanging beam fatigue crack detection device |
| CN108931524B (en) * | 2018-04-27 | 2020-12-04 | 上海宝钢工业技术服务有限公司 | Track type crane beam fatigue crack detection device |
| CN108792986A (en) * | 2018-06-26 | 2018-11-13 | 东莞唯度电子科技服务有限公司 | A kind of building assembly hanging device |
| CN109698463A (en) * | 2019-03-06 | 2019-04-30 | 潍坊科技学院 | A kind of the Electron-Optics Analysis system is provided with Wavelength tunable laser |
| CN110723634A (en) * | 2019-11-09 | 2020-01-24 | 国网河南省电力公司新安县供电公司 | Suspension device for mounting power equipment for power engineering |
| CN113511451A (en) * | 2021-07-07 | 2021-10-19 | 罗伯泰克自动化科技（苏州）有限公司 | Bridge type stacker shared by overlong multiple roadways |
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| CN102795552B (en) | 2014-08-13 |
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