CN2225462Y - Lifting mechanism of crane - Google Patents
Lifting mechanism of crane Download PDFInfo
- Publication number
- CN2225462Y CN2225462Y CN 95236814 CN95236814U CN2225462Y CN 2225462 Y CN2225462 Y CN 2225462Y CN 95236814 CN95236814 CN 95236814 CN 95236814 U CN95236814 U CN 95236814U CN 2225462 Y CN2225462 Y CN 2225462Y
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- Prior art keywords
- retarder
- reel
- motor
- planetary reduction
- level
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a lifting mechanism for a crane, adopting driving by a special motor, transmission by double current, and planetary flow confluence. The utility model solves the difficulties of small speed changing range, low work efficiency, unreasonable structural arrangement existing in a mechanism. The utility model is characterized in that double motors are symmetrically arranged on bases on both sides of a reel, the input ends of two first level speed reducers are connected with the motors, and the output shafts of the first level speed reducers are respectively connected with two planetary speed reducers, so that the flow confluence of left and right power can be formed on the planetary reducers which are connected with the reel, and the running of the mechanism in various speed ranges can be realized. The utility model can be widely used in various hoisting, lifting and craning mechanisms.
Description
The utility model relates to elevator, elevating gear, particularly adopts special machines to drive the crane lifting mechanism that double-current transmission planet confluxes.
Existing elevator, in the elevating gear, the lift system in the tower crane particularly, mostly be to adopt a motor outputting power, the single current transmission is linked by ordinary straight flute profile retarder or planetary reduction gear and rope drum, constitute transmission of power, this mechanism speed range is little, as long as motor is out of order, must shut down post-waiting; Though what have also adopts the double-motor outputting power, but motor is laid in a side of reel, this laying can cause the center of gravity of mechanism not overlap with geometric centre, make the equilibrium arm discontinuity, when one of them motor is not worked, can influence the biggest lifting capacity in the hoisting crane, cause inefficiency.
The utility model will provide a kind of employing special machines supporting exactly, can guarantee the safe and reliable of the high efficiency of operation and work; Can satisfy stability, increase speed adjustable range and the low requirement in place at a slow speed of complete machine again; And structure is more simple, reasonable, compact; Realize universalization, modular combination design-calculated crane lifting mechanism.
Technical solution of the present utility model is: the crane lifting mechanism that mainly contains motor, retarder, limiting device, rope drum and rope guide, be to adopt two special machines to be the both sides that symmetry is laid in base central authorities reel, two one-level retarders that link with two motors are separately fixed on the base by left and right sides two stands, have bevel gear simultaneously two motor powers to be transferred to two planetary reduction gears in two retarders; Left lateral star retarder is to be fixed in the cylinder of left socle; Right lateral star retarder is to be positioned at rope drum, the major axis of lane tube inner planet retarder connects with the one-level retarder on the right, output gear on the planetary reduction gear then is fixed in one with reel, about between two planetary reduction gears mutually with the castellated shaft butt joint and with two power flow concentrations in a planet retarder wherein; Also be fixed with limiting device on reel one end and support thereof, rope guide then is parallel to reel and is fixed on the support of the left and right sides.
The utility model adopts the change speed motor symmetry of two special band brakes to lay, double fluid transmission and the planet driving reel that confluxes, thereby enlarged speed adjustable range, can realize that band carries speed change, the fast poor all even slow job requirements in place of low speed that satisfied makes complete machine in aloft work, high efficiency, support and equilibrium arm are stressed evenly, and security and stability is good; Structure is also more simple, reasonable, compact; Mechanism is reliable, temperature rise is low, noise is little, operating maintenance is convenient; Because of universalization degree height, be convenient to the transformation of size of the organization production and old mechanism, prolonged the service life of complete machine; Can be widely used in various different sizes, particularly the large-tonnage lane raise, lifting, elevator machinery.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the vertical mounting structure front view of lift system.
Fig. 2 is the B-B direction partial schematic diagram of limiting device among Fig. 1.
Fig. 3 is the structure cutaway view of one-level retarder in right side among Fig. 1.
Fig. 4 is the structure cutaway view of left side planetary reduction gear among Fig. 1.
Be described in further detail below in conjunction with accompanying drawing.
Collective diagram 1, Fig. 2, Fig. 3, Fig. 4, two models, the change speed motor 1 of the band brake that power is identical, 3 are the vertical both sides that are installed in the rope drum 10 that is positioned at base 8 central authorities of symmetry, joining with motor is two structures, the one-level retarder 16.6 that pattern is identical, a pair of screw bevel gear 21 is arranged in the retarder, the lower side housing 18 of retarder all is fixed by bolts on the end cap of left and right sides support 13.7, the upper end housing 19 of retarder is all fixed with Bolt Connection with motor afterbody housing, input shaft of speed reducer 20 connects with motor output shaft 17 usefulness adapter sleeves 4, the output shaft 22 of retarder is all used castellated shaft 15 again, 9 and two structures, the sun wheel 23 of the planetary reduction gear 14,11 that pattern is all identical connects; Left lateral star retarder 14 is positioned at left socle cylinder 13, and the gear ring 24 of planetary reduction gear passes through terminal pad 26 usefulness bolt in the termination of cylinder 13; Right lateral star retarder 11 is to be positioned within the reel 10, its major axis 9 connects with the one-level retarder 6 on right side through right support cylinder 7, and the output gear 24 of right lateral star retarder is fixed in one by terminal pad 26 and reel 10, about between two planetary reduction gears 14,11 mutually with castellated shaft 12 butt joints.The line of centers of two one-level retarders, the line of centers of two planetary reduction gears and reel line of centers all are positioned at same axis, make output gear 24 and the reel 10 of left and right sides two-way power flow concentration to right lateral star retarder 11.
In conjunction with Fig. 1, right-hand member at reel 10 is fixed with a gear 28, and be meshed with the miniature gears 29 of limiting device 5 on being fixed on right support 7, when complete machine runs to the control height, the number of turn of reel elevator is transformed into electric signal by limiting device 5 and sends electric-control system to, and electric-control system is just cut off the electricity supply automatically, and complete machine is just out of service, prevent that hypervelocity continues operation in the lifting material, ensured the safe and reliable of mechanism's work.
In conjunction with Fig. 1, rope guide 2 is mounted in the position parallel with reel 10, and is fixing by left and right sides support 13,7, it on guaranteed steel cable winding reel 10 orders arrange around pulley mechanism 27.
Comprehensive accompanying drawing, the service condition of mechanism is:
When right motor 3 brakings, be sun wheel 23 brakings of right lateral star retarder 11, during left side motor 1 individual operation, the output shaft 17 of left motor 1 drives the input shaft 20 of the one-level retarder 16 in left side, pass to the output shaft 22 of one-level retarder after a pair of screw bevel gear in retarder 21 slows down again, through short castellated shaft 15, send first planet row sun wheel 23 of left lateral star retarder 14 to again; Row is slowed down through the I and II planet, by second planet row framework 25; Output is after middle castellated shaft 12 enters second planet row framework 25 of right lateral star retarder 11; At this moment, right lateral star retarder plays deceleration effort.Its mode of motion is framework 25 inputs, and sun wheel 23 is fixing, and gear ring 24 outputs drive reel 10 rotations, the material of slinging.
When left motor 1 braking, be framework 25 brakings of right lateral star retarder 11, during right motor 3 individual operations, the input shaft 20 that the output shaft 17 of right motor drives the one-level retarder 6 on right side rotates, after slowing down, a pair of bevel gear 21 passes to the output shaft 22 of one-level retarder equally, first planet that sends right lateral star retarder 11 through long castellated shaft 9 to is arranged sun wheel 23, and at this moment, right lateral star retarder also has been a deceleration effort.Its mode of motion is sun wheel 23 inputs, and second planet row framework 25 is fixing, and gear ring 24 outputs drive reel 10 rotations, the material of slinging.
When left and right sides motor 1,3 starts when running simultaneously, left and right sides two-way motor speed and power send second planet row's framework 25 and first planet row sun wheel 23 of right lateral star retarder 11 to during as individual operation after slowing down; At this moment, right lateral star retarder 11 does to conflux mechanism, left and right sides two-way power and speed are respectively after retarder enters second planet row's framework 25 and first planet row sun wheel 23 of right lateral star retarder 11, carry out power flow concentration and velocity resultant, through gear ring 24 outputs, drive reel 10 rotations, the material of slinging.
It is worthy of note:
The gear of supposing motor has i, that is to say that rotating speed of motor has the n kind, as long as open wherein any one motor separately and realize i gear, the rotating speed of reel just can arrive the n kind; And corresponding to the identical gear of motor, the rotating speed of reel is also identical.If open two motors simultaneously and realize ∑ i gear, conflux and velocity resultant through planetary reduction gear, on reel, just can obtain [n+n+ (n-1)+... + 1] plants rotating speed; In view of the above, the gear sum ∑ i=[i+i+ (i-1) that can realize of mechanism+... + 1].So enlarged the variation range of drum speed widely.
Motor is installed, can be vertical, and also can be horizontal; Certain locus though horizontal installation accounts for, it has better advantage of stability than vertical installation.
The utility model all is same model, same power, isostructure because of motor, one-level retarder, planetary reduction gear also, has realized universalization, modular unitized design, also is convenient to tissue manufacturing, shortens the production cycle.
Claims (4)
1. mainly contain the crane lifting mechanism of motor, retarder, limiting device, rope drum and rope guide, it is characterized in that two special machines (1), (3) are the both sides that symmetry is laid in the reel (10) of base (8) central authorities, two the one-level retarders (16), (6) that link with two motors are separately fixed on the base (8) by left and right sides two stands (13), (7), all have bevel gear (21) simultaneously two motor powers to be transferred to two planetary reduction gears (14), (11) in two retarders; Left lateral star retarder (14) is to be fixed in the cylinder of left socle (13), right lateral star retarder (11) is to be positioned at steel cable lane tube (10), the major axis (9) of reel inner planet retarder connects with the one-level retarder (6) on the right, about between two planetary reduction gears mutually with castellated shaft (12) butt joint and with two power flow concentrations in a planet retarder (11) wherein, on reel one end and support thereof, also be fixed with limiting device (5), rope guide (2) then is parallel to reel (10), is fixed on left and right sides support (13), (7).
2. lift system according to claim 1 is characterized in that being two special machines (1), (3) that symmetry is laid, all selects the change speed motor of band brake for use, and its model, power are identical; Motor can vertically be installed, and also can horizontally install.
3. lift system according to claim 1 is characterized in that the line of centers of two one-level retarders (16), (6) output shaft, and the line of centers of the line of centers of two planetary reduction gears (14), (11) and reel (10) all is positioned at same axis; Two one-level retarders (16), (6), two planetary reduction gears (14), (11), all be separately isostructure, with pattern.
4. lift system according to claim 1 is characterized in that in two planetary reduction gears (14), (11), and one main as slowing down, and one main as confluxing; The conflux retarder (11) of usefulness of work, its gear ring (24) links to each other with reel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95236814 CN2225462Y (en) | 1995-05-19 | 1995-05-19 | Lifting mechanism of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95236814 CN2225462Y (en) | 1995-05-19 | 1995-05-19 | Lifting mechanism of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2225462Y true CN2225462Y (en) | 1996-04-24 |
Family
ID=33879714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95236814 Expired - Fee Related CN2225462Y (en) | 1995-05-19 | 1995-05-19 | Lifting mechanism of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2225462Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006105700A1 (en) * | 2005-04-06 | 2006-10-12 | Shanghai Zhenhua Port Machinery Co., Ltd. | A double-drum differential lifting mechanism for contanier crane capable of slinging double 40-ft container shoreside |
| WO2006105701A1 (en) * | 2005-04-06 | 2006-10-12 | Shanghai Zhenhua Port Machinery Co., Ltd. | A four-drum differential lifting mechanism for contanier crane capable of slinging double 40-ft container shoreside |
| US7461832B2 (en) | 2005-04-06 | 2008-12-09 | Shanghai Zhenhua Port Machinery Co., Ltd. | Twin lifting machinery for two 40 feet container shore crane |
| US7686558B2 (en) | 2006-04-20 | 2010-03-30 | Shanghai Zhenhua Port Machinery Co., Ltd. | Arrangement scheme of a container wharf and the container loading/unloading process |
| US7918354B2 (en) | 2003-07-30 | 2011-04-05 | Shanghai Zhenhua Port Machinery Co., Ltd. | Container lifter being able to lift two 40 feet containers |
| US8087867B2 (en) | 2008-01-24 | 2012-01-03 | Shanhai Zhenhua Port Machinery Co. Ltd. | Loading/unloading system for container terminal |
| CN103964330A (en) * | 2014-04-17 | 2014-08-06 | 洛阳汉鼎起重机械有限公司 | Connecting structure of winding drum and speed reducer |
| CN106284225A (en) * | 2015-05-29 | 2017-01-04 | 湖北省咸宁三合机电制业有限责任公司 | The double suspension centre winch hoist of a kind of multi-speed |
| CN106379825A (en) * | 2016-09-30 | 2017-02-08 | 新乡学院 | Induction type dual-power lifting device |
| CN106379819A (en) * | 2015-05-20 | 2017-02-08 | 鲁霄钢 | Motor speed regulation system |
| CN108675172A (en) * | 2018-07-25 | 2018-10-19 | 北京大圣格尔冶金设备有限公司 | A kind of built-in promotion winding plant of corner connection |
-
1995
- 1995-05-19 CN CN 95236814 patent/CN2225462Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7918354B2 (en) | 2003-07-30 | 2011-04-05 | Shanghai Zhenhua Port Machinery Co., Ltd. | Container lifter being able to lift two 40 feet containers |
| US7494020B2 (en) | 2005-04-06 | 2009-02-24 | Shanghai Zhenhua Port Machinery Co., Ltd. | Lifting machinery of four reel differential type for two 40 feet container shore crane |
| US7461832B2 (en) | 2005-04-06 | 2008-12-09 | Shanghai Zhenhua Port Machinery Co., Ltd. | Twin lifting machinery for two 40 feet container shore crane |
| WO2006105700A1 (en) * | 2005-04-06 | 2006-10-12 | Shanghai Zhenhua Port Machinery Co., Ltd. | A double-drum differential lifting mechanism for contanier crane capable of slinging double 40-ft container shoreside |
| US7556161B2 (en) | 2005-04-06 | 2009-07-07 | Shanghai Zhenhua Port Machinery Co., Ltd. | Lifting machinery of two reel differential type for two 40 feet container shore crane |
| WO2006105701A1 (en) * | 2005-04-06 | 2006-10-12 | Shanghai Zhenhua Port Machinery Co., Ltd. | A four-drum differential lifting mechanism for contanier crane capable of slinging double 40-ft container shoreside |
| US7686558B2 (en) | 2006-04-20 | 2010-03-30 | Shanghai Zhenhua Port Machinery Co., Ltd. | Arrangement scheme of a container wharf and the container loading/unloading process |
| US8087867B2 (en) | 2008-01-24 | 2012-01-03 | Shanhai Zhenhua Port Machinery Co. Ltd. | Loading/unloading system for container terminal |
| CN103964330A (en) * | 2014-04-17 | 2014-08-06 | 洛阳汉鼎起重机械有限公司 | Connecting structure of winding drum and speed reducer |
| CN106379819A (en) * | 2015-05-20 | 2017-02-08 | 鲁霄钢 | Motor speed regulation system |
| CN106379819B (en) * | 2015-05-20 | 2019-08-13 | 鲁霄钢 | A kind of motor speed regulation system |
| CN106284225A (en) * | 2015-05-29 | 2017-01-04 | 湖北省咸宁三合机电制业有限责任公司 | The double suspension centre winch hoist of a kind of multi-speed |
| CN106379825A (en) * | 2016-09-30 | 2017-02-08 | 新乡学院 | Induction type dual-power lifting device |
| CN108675172A (en) * | 2018-07-25 | 2018-10-19 | 北京大圣格尔冶金设备有限公司 | A kind of built-in promotion winding plant of corner connection |
| CN108675172B (en) * | 2018-07-25 | 2024-03-01 | 北京大圣格尔冶金设备有限公司 | Corner connection concealed lifting winch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |