CN103241620B - Building hoist - Google Patents

Building hoist Download PDF

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Publication number
CN103241620B
CN103241620B CN201310194199.1A CN201310194199A CN103241620B CN 103241620 B CN103241620 B CN 103241620B CN 201310194199 A CN201310194199 A CN 201310194199A CN 103241620 B CN103241620 B CN 103241620B
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China
Prior art keywords
spring
driver plate
frame
inner sleeve
disk
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CN201310194199.1A
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CN103241620A (en
Inventor
王智超
靳世琦
杨贺轩
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SHANDONG DAHAN CONSTRUCTION MACHINERY CO Ltd
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SHANDONG DAHAN CONSTRUCTION MACHINERY CO Ltd
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  • Vibration Dampers (AREA)

Abstract

The invention discloses a kind of building hoist, comprise frame, driving mechanism, driving mechanism is connected with frame by driver plate, driver plate is provided with tooth bar, driving mechanism comprises reductor, decelerator is provided with the helical gear engaging with tooth bar, described driver plate top is connected with upper spring vibration absorber, described upper spring vibration absorber comprises disk spring, spring inner sleeve, in spring, be arranged with the through hole of axial zone step, in through hole, be provided with connector, described disk spring endoporus coordinates with the cylindrical of spring inner sleeve, disk spring top is provided with the upper gear pad with endoporus, the endoporus of upper gear pad coordinates with the cylindrical of spring inner sleeve, the bottom of disk spring is provided with driver plate header board with holes, spring inner sleeve is connected by connector with driver plate header board, the top of described upper gear pad contacts with the top rail beam slab of frame. have the vibration performance of absorption good, running noises is low, is specially adapted to the lift that shipping height and the speed of service are high.

Description

Building hoist
Technical field
The present invention relates to building machinery technical field, relate in particular to a kind of building hoist.
Background technology
The driving mechanism that the building hoist of prior art adopts, the wherein most application of rubber pad of the vibration absorber of driver plate and nylonPad. The problem that this method with rubber cushion exists is to be only applicable to the lift type of common rising or falling speed, the use of rubber blanketLife-span is partially short, and decrement is limited. Also the available technology adopting polyurethane rubber cushion that has replaces rubber blanket, be no matter rubber blanket orThe compression value of this material of polyurethane rubber cushion generally all uses within one millimeter, shock resistance, absorb vibration performance poor.
Along with constantly increasing of lift shipping height, the speed of service improves constantly, the driver plate position institute of elevator drives mechanismLarger raising and the innovation of performance need of the vibration absorber of application, lift driver plate is better with connecting in the urgent need to having of frameOscillation damping method design invent.
On the hanger that available technology adopting connects with cage at drive assembly trolley frame, add the practice of spring damping. Due to this sideThe inapplicable deflection load-bearing stress operating mode of method, drives trolley frame force status secundly, and both sides amount of spring compression differs larger, through testDiffer from 2 times of left and right. The defect existing is that this can cause the stressed serious imbalance of train, makes the serious variation of running stability. And withLower two factors have been aggravated this phenomenon: one driving mechanism and cage attachment pegs are that sensor pin is subject to stress to produce distortion, twoSell stressed differing and cause too greatly the serious unbalance loading of trolley frame, make load-bearing train fault rate high, shorten service life; Its two deflection load-bearing stressThe stress that makes tooth bar roller be subject to frame conduction makes roller easily loosening fragile.
Stress point is changed into the trolley frame center that drives by the external product of prior art, with the pull bar connection cage with spring, solvedThe advantage of application spring damping, the spring damping that made elevator drives winding machine. But this method is not suitable for China and produces bodySystem: China's product is lifting driving rack deflection body frame one side, and the practice advantage of secundly is to economize with material, and tooth bar is being ledFrame center Traction Drive trolley frame (driving mechanism) reasonable stress, but body frame (standard knot) material therefor will strengthen.
The external product band spring pull bar type of prior art, stress point is concentrated at deceleration box upper connecting rod stress point stress, externalProduct is still used cast steel casing, can not apply aluminium alloy box, due to cast steel casing from great, be unfavorable for energy-conservation, especially potential energyThe lift of load is more outstanding.
Patent of the present invention (construction) lift driver plate spring damper. On driver plate, installing spring damper additional just solvesThis difficult problem. This spring damper makes the vibration absorber of domestic lift product stride into the spring epoch. Complete machine operation is made an uproarSound significantly reduces, and running stability significantly improves. Different type of machines increases load raising speed and all can easily tackle. Driving mechanism canThe decelerator of application aluminium alloy box, (special helical gear reducer) aluminium alloy box slows down and thinks highly of 80 kilograms, only two decelerationsDevice just cuts more than 100 kilogram of deadweight. Equal province and go out a kilowatt of eletctric energy (KWE). Novel helical gear decelerator is imitated than old product worm reducerRate is high by 20%. New-type decelerator becomes large because the high starting of efficiency stops impacting, and must be furnished with the new vibration reducing measure that adapts could phaseBenefit clear.
Patent of the present invention also has a present product of China and foreign products not to possess feature: not only driver plate top is provided with bulletSpring vibration absorber, driver plate bottom is also provided with this device. Like this, lift starts the running stopping in rise and fallIn the effectiveness in vibration suppression that can obtain.
Lift is impacted and can be absorbed by lower spring vibration absorber to moving deadweight by quiet in the time declining starting. Cage drops on slow at bottomThe effect of vibration absorber at present of rushing on device is just more important. This point causes transmission dolly because external product does not descend vibration absorberFrame tilts to rock. Larger to complete machine damage.
Summary of the invention
The present invention, in order to solve prior art above shortcomings, provides a kind of building hoist; Vibration absorber of the present invention is anti-Impact and to absorb vibration performance good, complete machine running noises is low, and running stability is high, can meet different type of machines large load,High-speed running status, is specially adapted to the lift that shipping height and the speed of service are high.
The object of the invention is to adopt following technical proposals to realize:
A kind of building hoist, comprises frame, driving mechanism, and driving mechanism is connected with frame by driver plate, on driver plate, establishesHave tooth bar, driving mechanism comprises decelerator, and decelerator is provided with the helical gear engaging with tooth bar, described driver plate top and upper bulletSpring vibration absorber connects, and described upper spring vibration absorber comprises disk spring, spring inner sleeve, is arranged with axial zone step in springThrough hole, in through hole, be provided with connector, described disk spring endoporus coordinates with the cylindrical of spring inner sleeve, disk spring top is provided withWith endoporus first on gear pad, the endoporus of gear pad coordinates with the cylindrical of spring inner sleeve on first, the bottom of disk spring is provided with holesDriver plate header board, spring inner sleeve is connected by connector with driver plate header board, top and the frame of gear pad on described firstTop rail beam slab contact.
Described connector is the second screw, and the second screw is through Kong Houyu the second nut on spring inner sleeve and driver plate header boardConnect.
Described the first screw adopts SOC.HD. cap screw, and the head of the SOC.HD. cap screw after upper spring vibration absorber assembling is lower than on firstThe upper surface of gear pad. Avoided SOC.HD. cap screw head expose interference between part that bring and outside, reduced wholeThe dimension and weight of machine.
Described driver plate bottom is connected with lower spring vibration absorber, described lower spring vibration absorber comprise disk spring, the first screw,Gear pad on second, the second lower baffle plate with blind threaded hole, gear pad, the second lower baffle plate are respectively by endoporus, blind on described secondHole screwed hole and the first screw fit, disk spring is located on second between gear pad, the second lower baffle plate, gear pad on described second,The second lower baffle plate and disk spring connect by the first screw, the first nut; The frame of the second lower baffle plate bottom is provided with and holds out againstPresetting nut, lower adjustment bolt through in frame hold out against presetting nut after coordinates with the lower surface of the second lower baffle plate, by adjustingThe moving axially of lower adjustment bolt, lower adjustment bolt contact and apply axial force with the second lower baffle plate lower surface, and disk spring is producedRaw pre compressed magnitude, disk spring hold out against thickening second on gear pad, with the deadweight of balance driver plate, make driver plate very close to each other up and down,Reduce upper and lower operational shock, described in hold out against presetting nut and welding machine frame. The second lower baffle plate bottom lower plane is adjusted bolt head on the lowerPortion is withstood. By lower spring vibration absorber, while being used for absorbing cage decline operation starting, parking, the deadweight of driver plate assembly causesImpact. Because upper and lower damping spring group is clipped in the middle driver plate, so the impact of driver plate has just been absorbed by damping spring.
Described driver plate is provided with long slot bore, and frame is provided with locating hole, and driver plate and frame are by being located at the elongated slot on driver plateThe second bolt in hole is connected with the nut in frame locating hole, and described the second bolt is provided with composite-gasket, described composite-gasketComprise the nylon washer, the polyurethane rubber packing ring that link together, wherein nylon washer contacts with driver plate, polyurethane rubber padCircle contacts with the big flat washer under nut in frame locating hole, by driver plate adopt long slot bore be connected with frame, to realize the twoBetween Floating connection. According to the size of the needs of different type of machines speed and buffer distance, determine the length of driver plate long slot bore.Because driver plate will fluctuate along with the decrement of spring, the composite-gasket that the present invention adopts bi-material to be combined with each other, separatesDetermined anti-wear performance, simultaneously there is again high resiliency performance. Contact with driver plate by the one side with nylon to play to reduce and relatively moveThe effect of friction, polyurethane part is made resiliency supported part to play damping effect.
The external diameter of described disk spring is50mm, thickness 3mm. Because driver plate top width of the prior art adopts standard50mm size, adopt disk spring inheritance of the present invention good, improve convenient. Also can according to requirements adopt other diameters,The disk spring of gauge.
On the lift of 2 tons of common rising or falling speed load, adopt four groups of disk springs, on 3 tons of lifts, adopt six groups of dish bulletsSpring. Reed quantity increases and decreases, realizes the changeable adjustment of decrement according to type and need of work. And after the damage of dish spring,Broken without potential safety hazard.
Beneficial effect of the present invention:
1. vibration absorber shock resistance of the present invention and to absorb vibration performance good, is specially adapted to shipping height and the speed of service is highLift;
2. complete machine running noises of the present invention is low, and running stability is high, can meet different type of machines in large load, high-speed operationState; Driving mechanism can be applied the decelerator of aluminium alloy box, and the aluminium alloy box of helical gear reducer slows down and thinks highly of 80 kilograms,Only two decelerators just cut more than 100 kilogram of deadweight, can save a kilowatt of eletctric energy (KWE);
3. the decelerator that adopts alloy casing, decelerator adopts Helical gear Transmission, adopts after decelerator of the present invention, has alleviated and has establishedStandby quality, reduced power consumption, transmission noise is little.
4. adopt disk spring inheritance of the present invention good, good with original structure matching performance, reduced machine cost, change simultaneouslyIt is convenient to enter.
Brief description of the drawings
Fig. 1 is the structure chart of embodiment of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is upper spring damping device structure schematic diagram;
Fig. 4 is lower spring damping device structure schematic diagram;
Wherein, 1, rack and pinion engagement center line, 2, upper spring vibration absorber, 3, lower spring vibration absorber, 4, composite padCircle, 5, driver plate, 11, frame, 21, disk spring, 22, spring inner sleeve, 23, the first screw, 24, upper gear pad, 25,Driver plate header board, 26, top rail beam slab, 31, lower adjustment bolt, 33, the second lower baffle plate, 34, hold out against presetting nut.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
A kind of building hoist, as shown in Figures 1 to 4, comprises frame 11, driving mechanism, and described driving mechanism is by driver plate 5Be connected with frame 11, driver plate 5 is provided with tooth bar, and driving mechanism comprises decelerator, and decelerator is provided with the helical teeth engaging with tooth barWheel, driver plate 5 tops are connected with upper spring vibration absorber 2, and described upper spring vibration absorber 2 comprises disk spring 21, spring inner sleeve22, spring inner sleeve 22 is provided with axial through hole with the level, is provided with connector in through hole, described disk spring endoporus and spring inner sleeveCylindrical coordinate, disk spring 21 tops are provided with the upper gear pad 24 with endoporus, the cylindrical of the endoporus of upper gear pad 24 and spring inner sleeve 22Coordinate, the bottom of disk spring 21 is provided with driver plate header board 25 with holes, and spring inner sleeve 22 is passed through to connect with driver plate header board 25Fitting connects, and the top of described upper gear pad 24 contacts with the top rail beam slab 26 of frame 11. Described connector is the first screw 23, theOne screw 23 connects through the Kong Houyu nut on spring inner sleeve 22 and driver plate header board 25. In described the first screw 23 adoptsSix side's screws, the head of the SOC.HD. cap screw after 2 assemblings of upper spring vibration absorber is lower than the upper surface of upper gear pad 24. Avoid interior sixSide's screw head exposes interference between part that bring and outside, has reduced the dimension and weight of complete machine.
Described driver plate 5 bottoms are connected with lower spring vibration absorber 3, and described lower spring vibration absorber 3 comprises disk spring 21, firstScrew 23, upper gear pad 24, the second lower baffle plate 33 with blind threaded hole, described upper gear pad 24, the second lower baffle plate 33 pass through respectivelyEndoporus, blind threaded hole coordinate with the first screw 23, and disk spring 21 is located between gear pad 24, the second lower baffle plate 33, described inUpper gear pad 24, the second lower baffle plate 33 and disk spring 21 connect by the first screw 23, nut; The second lower baffle plate 33 bottomsFrame is provided with and holds out against presetting nut 34, and lower adjustment bolt 31 is through holding out against after presetting nut 34 and the second lower baffle plate in frame 1133 lower surface coordinates, by regulating the moving axially of lower adjustment bolt 31, lower adjustment bolt 31 and the second lower baffle plate 33 lower surfacesContact and apply axial force, make disk spring 21 produce pre compressed magnitude, disk spring hold out against thickening upper gear pad 24, pass with balanceMoving plate deadweight, makes driver plate very close to each other up and down, reduces upper and lower operational shock, described in hold out against presetting nut and welding machine frame. TheTwo lower baffle plate 33 bottom lower planes are adjusted on the lower bolt 31 heads and are withstood. By lower spring vibration absorber 3, be used for absorbing cage and declineOperation starting, the driver plate assembly impact causing of conducting oneself with dignity while stopping. Because upper and lower damping spring group is clipped in the middle driver plate, soThe impact of driver plate has just been absorbed by damping spring. The center line weight of described rack and pinion engagement center line 1 and lower spring vibration absorberClose, can alleviate the noise and vibration that operation is.
Described driver plate is provided with long slot bore, and frame is provided with locating hole, and driver plate and frame are by being located at the elongated slot on driver plateThe second bolt in hole is connected with the nut in frame locating hole, and described the second bolt is provided with composite-gasket 4, described composite-gasket4 comprise the nylon washer, the polyurethane rubber packing ring that link together, and wherein nylon washer contacts with driver plate, polyurethane rubber padCircle contact with the big flat washer under nut, by driver plate adopt long slot bore and frame be connected, to realize the Floating connection between the two.According to the size of the needs of different type of machines speed and buffer distance, determine the length of driver plate long slot bore. Because driver plate will be withThe decrement of spring fluctuates, the composite-gasket that the present invention adopts bi-material to be combined with each other, solved anti-wear performance,There is again high resiliency performance simultaneously. Contact the effect that reduces the friction relatively moving of playing with driver plate by the one side with nylon,Polyurethane part is made resiliency supported part to play damping effect.
The external diameter of described disk spring is50mm, thickness 3mm. Because driver plate top width of the prior art adopts standard50mm size, adopt disk spring inheritance of the present invention good, improve convenient. Also can according to requirements adopt other diameters,The disk spring of gauge.
On the lift of 2 tons of common rising or falling speed load, adopt four groups of disk springs, on 3 tons of lifts, adopt six groups of dish bulletsSpring. Reed quantity increases and decreases, realizes the changeable adjustment of decrement according to type and need of work. And after the damage of dish spring,Broken without potential safety hazard.
Described driving mechanism comprises the decelerator of aluminium alloy box, and described decelerator adopts Helical gear Transmission. Adopt of the present invention subtractingAfter speed device, alleviated equipment quality, reduced power consumption, transmission noise is little.
When use respectively by upper spring vibration absorber 2, lower spring vibration absorber 3 respectively with driver plate and frame on connector connectConnect, just can play the effect of corresponding vibration damping and reduction noise.
By reference to the accompanying drawings the detailed description of the invention of invention is described although above-mentioned, not the limit to protection domain of the present inventionSystem, one of ordinary skill in the art should be understood that those skilled in the art do not need on the basis of technical scheme of the present inventionPay various amendments that creative work can make or distortion still in protection scope of the present invention.

Claims (6)

1. a building hoist, comprises frame, driving mechanism, and driving mechanism is connected with frame by driver plate,Driver plate is provided with tooth bar, and driving mechanism comprises decelerator, it is characterized in that, decelerator is provided with tooth bar and engagesHelical gear, described driver plate top is connected with upper spring vibration absorber, described upper spring vibration absorber comprises dishShape spring, spring inner sleeve, be arranged with the through hole of axial zone step in spring, be provided with connector, dish in through holeSpring endoporus coordinates with the cylindrical of spring inner sleeve, disk spring top be provided with endoporus first on gear pad, firstThe endoporus of upper gear pad coordinates with the cylindrical of spring inner sleeve, and the bottom of disk spring is provided with driver plate crossbeam with holesPlate, spring inner sleeve is connected by described connector with driver plate header board, top and the machine of gear pad on described firstThe top rail beam slab contact of frame;
Described driver plate bottom is connected with lower spring vibration absorber, and described lower spring vibration absorber comprises disk spring,Gear pad on one screw, second, the second lower baffle plate with blind threaded hole, disk spring be located at gear pad on second,Between the second lower baffle plate, on described second gear pad, the second lower baffle plate and disk spring by the first screw andThe first nut connects; The frame of the second lower baffle plate bottom is provided with and holds out against presetting nut, and lower adjustment bolt is through machineOn frame hold out against presetting nut after coordinate with the lower surface of the second lower baffle plate, by regulate lower adjustment bolt axiallyMobile, lower adjustment bolt contacts and applies axial force with the second lower baffle plate lower surface, makes disk spring produce precompressedContracting amount, disk spring hold out against thickening second on gear pad, with the deadweight of balance driver plate, driver plate is not had up and downGap, reduces upper and lower operational shock, described in hold out against presetting nut and welding machine frame.
2. building hoist as claimed in claim 1, is characterized in that, described connector is the second screw, secondScrew connects through Kong Houyu the second nut on spring inner sleeve and driver plate header board.
3. building hoist as claimed in claim 2, is characterized in that, described the second screw adopts SOC.HD. cap screw,The head of the SOC.HD. cap screw after the assembling of upper spring vibration absorber keeps off the upper surface of padding on first.
4. building hoist as claimed in claim 1, is characterized in that, described driver plate is provided with long slot bore, machineFrame is provided with locating hole, and driver plate and frame are by being located at the second bolt and the frame in the long slot bore on driver plateNut in locating hole connects, and described the second bolt is provided with composite-gasket, and described composite-gasket comprises and being connected toNylon washer together, polyurethane rubber packing ring, wherein nylon washer contacts with driver plate, polyurethane rubber padCircle contacts with the big flat washer under nut in frame locating hole, by driver plate adopt long slot bore be connected with frame,To realize the Floating connection between the two.
5. building hoist as claimed in claim 1, is characterized in that, the external diameter of disk spring isThickDegree 3mm.
6. building hoist as claimed in claim 1, is characterized in that, at the liter of 2 tons of common rising or falling speed loadFall on machine and adopt four groups of disk springs, on 3 tons of lifts, adopt six groups of disk springs.
CN201310194199.1A 2013-05-22 2013-05-22 Building hoist Active CN103241620B (en)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167365A (en) * 2018-02-09 2018-06-15 中国工程物理研究院总体工程研究所 A kind of adjustable radial compaction vibration absorber of pressing force

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201334296Y (en) * 2009-01-08 2009-10-28 上海振华港口机械(集团)龙昌起重设备有限公司 Divided-flow double-gear construction elevator
CN202508719U (en) * 2012-02-24 2012-10-31 湖南创一机械有限公司 Lifter drive frame shock-absorbing device
CN202542645U (en) * 2011-12-20 2012-11-21 启东大同电机有限公司 Flexible and adjustable transmission mechanism of construction elevator
CN202790304U (en) * 2012-08-24 2013-03-13 方圆集团海阳起重机械有限公司 Transmission damping device of lifter
CN203306886U (en) * 2013-05-22 2013-11-27 山东大汉建设机械有限公司 Construction hoist

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6116294Y2 (en) * 1981-02-23 1986-05-20
JP4288916B2 (en) * 2002-08-27 2009-07-01 フジテック株式会社 Reciprocating body drive device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201334296Y (en) * 2009-01-08 2009-10-28 上海振华港口机械(集团)龙昌起重设备有限公司 Divided-flow double-gear construction elevator
CN202542645U (en) * 2011-12-20 2012-11-21 启东大同电机有限公司 Flexible and adjustable transmission mechanism of construction elevator
CN202508719U (en) * 2012-02-24 2012-10-31 湖南创一机械有限公司 Lifter drive frame shock-absorbing device
CN202790304U (en) * 2012-08-24 2013-03-13 方圆集团海阳起重机械有限公司 Transmission damping device of lifter
CN203306886U (en) * 2013-05-22 2013-11-27 山东大汉建设机械有限公司 Construction hoist

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Address after: 250012 Shandong city of Ji'nan province Zhangqiu Mingshui ocher Hill Industrial Park

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