CN102515002B - Flexibility-adjustable transmission mechanism of construction lifter - Google Patents
Flexibility-adjustable transmission mechanism of construction lifter Download PDFInfo
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- CN102515002B CN102515002B CN 201110427312 CN201110427312A CN102515002B CN 102515002 B CN102515002 B CN 102515002B CN 201110427312 CN201110427312 CN 201110427312 CN 201110427312 A CN201110427312 A CN 201110427312A CN 102515002 B CN102515002 B CN 102515002B
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Abstract
The invention discloses a flexibility-adjustable transmission mechanism of a construction lifter, which is characterized by comprising a motor, a speed reducer, a flexibility-adjustable connecting device, an adjustable backgear, a safety hook, a transmission main plate and a driving frame. The flexibility-adjustable connecting device is arranged on the driving frame and comprises a transmission mechanism flexible unit and a transmission mechanism adjustable connecting device, and the transmission mechanism flexible unit and the transmission mechanism adjustable connecting device are fixedly connected into a whole. The flexibility-adjustable transmission mechanism of the construction lifter has the advantages of being simple and practical in structural concept, an adjustable connecting design solves the problem of connecting interchangeability and improves connecting accuracy, a flexible design structure effectively solves the universal problem of starting and stopping impact, the flexibility-adjustable transmission mechanism of the construction lifter is strong in generality, wide in application scope, safe, reliable and low in cost.
Description
Technical field
The present invention relates to a kind of flexibility-adjustable transmission mechanism of construction lifter.
Background technology
Transmission mechanism of building hoist docks and generally adopts hard connecting mode with the cage case at present.This hard connecting mode is fairly simple convenience structurally, but has many drawbacks: can't adjusting transmission mechanism otic placode and cage case otic placode not docking because of the welding deformation appearance while 1. connecting.Generally take the on-the-spot pairing welding of single group otic placode of non-interchangeability to solve, so both lost the connect interchangeability of transmission device with the assembling of cage case, also make to descend after causing assembling and operation problem occurs because the adjusting position mal produces assembly precision before assembly welding because of cage case or transmission device, operation problem is as: transmission device be in operation running orbit and main chord outline or the gear of guide roller, the running orbit of backgear and tooth bar are misfitted and are produced deflecting force increase running resistance, the lighter causes the reduction of driving efficiency and increases the additional wear of these parts and aggravate to lose efficacy, severe one easily makes side guide roller or backgear connector make the transmission device cisco unity malfunction because fracture by fatigue comes off and may lead to safety misadventure, 2. the impact of start-stop frequently occurs in various degree because of Acceleration of starting degree and the existence that stops deceleration/decel with the running velocity of transmission device and the difference of live load in hard connecting mode when operation.The start and stop of building hoist are impacted and are the wear-out failure of building hoist transmission device, aggravation failure the most direct reason frequently, larger on occupant's traveling comfort impact.Current optimal way is to take frequency control to address this problem.But up to 99% common building hoist, its workout cost is too high, is unfavorable for promoting the use of concerning the occupancy volume ratio.Therefore, should provide a kind of new technical scheme to address the above problem.
Summary of the invention
The objective of the invention is: for above-mentioned deficiency, a kind of flexibility-adjustable transmission mechanism of construction lifter is provided, what its adjustable draw bail by a kind of Simple And Practical had both solved transmission device and cage case connects interchangeability and assembly precision problem, has also solved to a certain extent the start and stop shock problem that hard connection brings.
For achieving the above object, the technical solution used in the present invention is:
Flexibility-adjustable transmission mechanism of construction lifter, comprise electrical motor, retarder, flexible adjustable connecting device, adjustable backgear, hook with safety tong, transmission mainboard and driving frame, described transmission mainboard is fixedly installed in and drives on frame, described driving frame is provided with flexible adjustable connecting device, described electrical motor is connected with retarder by high inertia elastic coupler, described electrical motor, retarder, high inertia elastic coupler and adjustable backgear all are fixed on the transmission mainboard, on the output shaft of described retarder, gear is installed, tooth bar engagement on described gear and guide rail bracket, the outside of described electrical motor is equipped with DC electromagnetic brake, upper and lower guide roller and side guide roller are installed on described driving frame, described upper and lower guide roller, adjustable backgear and side guide roller are all joined and are incorporated in guiding rolling on main chord with the main chord of building hoist guide rail bracket, the adjustable connecting device of described flexibility comprises transmission device flexible unit and the adjustable connecting device of transmission device, described transmission device flexible unit and the adjustable connecting device of transmission device are connected to one, described transmission device flexible unit comprises the some groups of belleville springs of two one group, the above bracing ring of described some groups of belleville springs is that boundary divides upper and lower two groups of series combinations, the belleville spring group of described series combination is installed on same hanging axis, the top of described belleville spring group is provided with the packing ring that it is carried out to pretension, the bottom of described belleville spring group is provided with support sleeve, the outside of described belleville spring group is provided with overcoat, described outer putting is fixed with the upper support circle, lower support circle and cover plate, described cover plate is fixedly connected with connecting panel by connecting element, be provided with cushion blocking between described cover plate and connecting panel, described overcoat drives the frame welding by connecting panel and transmission device, the adjustable connecting device of described transmission device comprises joint bearing block, plain radial bearing, minor axis and otic placode, described joint bearing block biside plate is fixed with the left and right adjusting sleeve, described plain radial bearing is installed between the adjusting sleeve of left and right by minor axis, described otic placode one end is fixed on minor axis by plain radial bearing, the described otic placode other end is connected otic placode with the cage case or cage case attaching parts is fixedly connected with, described joint bearing block and transmission device drive frame to be welded and fixed.
Described transmission mainboard drives on frame by driving frame bottom plate attaching parts and buffering kit to be fixed in.
Described transmission device flexible unit and the adjustable connecting device of transmission device are integrated by the transition beam soldering group.
Described transmission device flexible unit and the adjustable connecting device of transmission device are connected to one by hanging axis and Hough chuck.
Described otic placode is connected otic placode by attaching parts with the cage case or cage case attaching parts is fixedly connected with.
Described otic placode is by hanging axis and the Hough chuck is connected otic placode with the cage case or cage case attaching parts is fixedly connected with.
Described attaching parts is pin and locking plate.
Described connecting element is bolt, the nut be used in conjunction with and the locating dowel pin of being located at the bolt bottom.
Advantage of the present invention is: with traditional transmission mechanism of building hoist, compare, structural framing is simple and practical.The project organization of adjustable connection had both solved a connection interchangeability difficult problem, had also improved the connection precision; The flexible design structure has solved the ubiquity difficult problem that start and stop are impacted effectively, and commonality is stronger, and Applicable scope is large, safe and reliable, and cost is lower.
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.
Fig. 2 is Fig. 1 lateral plan.
Fig. 3 is another embodiment of the present invention structural representation.
Fig. 4 is Fig. 3 lateral plan.
Fig. 5 is flexible adjustable connecting device embodiment 1 external structure schematic diagram.
Fig. 6 is Fig. 5 inner structure cutaway view.
Fig. 7 is flexible adjustable connecting device embodiment 2 external structure schematic diagrams.
Fig. 8 is Fig. 7 inner structure cutaway view.
Fig. 9 is flexible adjustable connecting device embodiment 3 external structure schematic diagrams.
Figure 10 is Fig. 9 inner structure cutaway view.
Figure 11 is flexible adjustable connecting device embodiment 4 external structure schematic diagrams.
Figure 12 is Figure 11 inner structure cutaway view.
Wherein: 1, drive frame, 2, guide rail bracket, 3, the transmission mainboard, 4, high inertia elastic coupler, 5, adjustable backgear, 6, DC electromagnetic brake, 7, main chord, 8, drive frame mainboard connecting piece and buffering kit, 9, upper and lower guide roller, 10, flexible adjustable connecting device, 11, the side guide roller, 12, tooth bar, 13, hook with safety tong, 14, gear, 15, electrical motor, 16, retarder, 17, the transmission device flexible unit, 18, the adjustable connecting device of transmission device, 19, belleville spring, 20, the upper support circle, 21, hanging axis, 22, packing ring, 23, support sleeve, 24, overcoat, 25, the lower support circle, 26, cover plate, 27, connecting panel, 28, cushion blocking, 29, joint bearing block, 30, plain radial bearing, 31, minor axis, 32, otic placode, 33, the left and right adjusting sleeve, 34, the cage case connects otic placode, 35, transition beam, 36, the Hough chuck, 37, attaching parts, 38, bolt, 39, nut, 40, locating dowel pin.
The specific embodiment
Embodiment 1
As Fig. 1, 2, 5, shown in 6, flexibility-adjustable transmission mechanism of construction lifter of the present invention, comprise electrical motor 15, retarder 16, flexible adjustable connecting device 10, adjustable backgear 5, hook with safety tong 13, transmission mainboard 3 and driving frame 1, transmission mainboard 3 is fixedly installed in and drives on frame 1, drive frame 1 to be provided with flexible adjustable connecting device 10, electrical motor 15 is connected with retarder 16 by high inertia elastic coupler 4, electrical motor 15, retarder 16, high inertia elastic coupler 4 and adjustable backgear 5 all are fixed on transmission mainboard 3, gear 14 is installed on the output shaft of retarder 16, gear 14 meshes with the tooth bar 12 on guide rail bracket 2, the outside of electrical motor 15 is equipped with DC electromagnetic brake 6, drive on frame 1 upper and lower guide roller 9 and side guide roller 11 are installed, upper and lower guide roller 9, adjustable backgear 5 and side guide roller 11 are all joined and are incorporated in guiding rolling on main chord 7 with the main chord 7 of building hoist guide rail bracket 2, transmission mainboard 3 drives on frame 1 by driving frame bottom plate attaching parts and buffering kit 8 to be fixed in, flexible adjustable connecting device 10 comprises transmission device flexible unit 17 and the adjustable connecting device 18 of transmission device, transmission device flexible unit 17 comprises the some groups of belleville springs 19 of two one group, some groups of above bracing rings 20 of belleville spring 19 are upper and lower two groups of series combinations for boundary divides, 19 groups of the belleville springs of series combination are installed on same hanging axis 21, the top of belleville spring group is provided with the packing ring 22 that it is carried out to pretension, the bottom of belleville spring group is provided with support sleeve 23, the outside of belleville spring group is provided with overcoat 24, be fixed with upper support circle 20 on overcoat 24, lower support circle 25 and cover plate 26, cover plate 26 is fixedly connected with connecting panel 27 by connecting element, connecting element is the bolt 38 be used in conjunction with, nut 39 and the locating dowel pin 40 of being located at bolt 38 bottoms.Be provided with cushion blocking 28 between cover plate 26 and connecting panel 27, overcoat 24 drives frame 1 welding by connecting panel 27 and transmission device, transmission device is adjustable, and connecting device 18 comprises joint bearing block 29, plain radial bearing 30, minor axis 31 and otic placode 32, joint bearing block 29 biside plates are fixed with left and right adjusting sleeve 33, plain radial bearing 30 is installed between left and right adjusting sleeve 33 by minor axis 31, otic placode 32 1 ends are fixed on minor axis 31 by plain radial bearing 30, otic placode 32 other ends are connected otic placode 34 with the cage case and are fixedly connected with by attaching parts 37, attaching parts 37 is pin and locking plate, joint bearing block 29 drives frame 1 to be welded and fixed with transmission device, transmission device flexible unit 17 and transmission device are adjustable, and connecting device 18 is integrated by transition beam 35 soldering group.
Embodiment 2
As Fig. 3, 4, 7, shown in 8, flexibility-adjustable transmission mechanism of construction lifter of the present invention, comprise electrical motor 15, retarder 16, flexible adjustable connecting device 10, adjustable backgear 5, hook with safety tong 13, transmission mainboard 3 and driving frame 1, transmission mainboard 3 is fixedly installed in and drives on frame 1, drive frame 1 to be provided with flexible adjustable connecting device 10, electrical motor 15 is connected with retarder 16 by high inertia elastic coupler 4, electrical motor 15, retarder 16, high inertia elastic coupler 4 and adjustable backgear 5 all are fixed on transmission mainboard 3, gear 14 is installed on the output shaft of retarder 16, gear 14 meshes with the tooth bar 12 on guide rail bracket 2, the outside of electrical motor 15 is equipped with DC electromagnetic brake 6, drive on frame 1 upper and lower guide roller 9 and side guide roller 11 are installed, upper and lower guide roller 9, adjustable backgear 5 and side guide roller 11 are all joined and are incorporated in guiding rolling on main chord 7 with the main chord 7 of building hoist guide rail bracket 2, transmission mainboard 3 drives on frame 1 by driving frame bottom plate attaching parts and buffering kit 8 to be fixed in, flexible adjustable connecting device 10 comprises transmission device flexible unit 17 and the adjustable connecting device 18 of transmission device, transmission device flexible unit 17 comprises the some groups of belleville springs 19 of two one group, some groups of above bracing rings 20 of belleville spring 19 are upper and lower two groups of series combinations for boundary divides, 19 groups of the belleville springs of series combination are installed on same hanging axis 21, the top of belleville spring group is provided with the packing ring 22 that it is carried out to pretension, the bottom of belleville spring group is provided with support sleeve 23, the outside of belleville spring group is provided with overcoat 24, be fixed with upper support circle 20 on overcoat 24, lower support circle 25 and cover plate 26, cover plate 26 is fixedly connected with connecting panel 27 by connecting element, connecting element is the bolt 38 be used in conjunction with, nut 39 and the locating dowel pin 40 of being located at bolt 38 bottoms.Be provided with cushion blocking 28 between cover plate 26 and connecting panel 27, overcoat 24 drives frame 1 welding by connecting panel 27 and transmission device, transmission device is adjustable, and connecting device 18 comprises joint bearing block 29, plain radial bearing 30, minor axis 31 and otic placode 32, joint bearing block 29 biside plates are fixed with left and right adjusting sleeve 33, plain radial bearing 30 is installed between left and right adjusting sleeve 33 by minor axis 31, otic placode 32 1 ends are fixed on minor axis 31 by plain radial bearing 30, otic placode 32 other ends are connected otic placode 34 by hanging axis 21 and Hough chuck 36 with the cage case and are fixedly connected with, joint bearing block 29 drives frame 1 to be welded and fixed with transmission device, transmission device flexible unit 17 and transmission device are adjustable, and connecting device 18 is integrated by transition beam 35 soldering group.
Embodiment 3
As shown in Fig. 9,10, flexibility-adjustable transmission mechanism of construction lifter of the present invention, transmission device flexible unit 17 and transmission device are adjustable, and connecting device 18 is connected to one by hanging axis 21 and Hough chuck 36, and all the other structures are with embodiment 1.
Embodiment 4
As shown in Figure 11,12, flexibility-adjustable transmission mechanism of construction lifter of the present invention, transmission device flexible unit 17 and transmission device are adjustable, and connecting device 18 is connected to one by hanging axis 21 and Hough chuck 36, and all the other structures are with embodiment 2.
Claims (8)
1. flexibility-adjustable transmission mechanism of construction lifter, it is characterized in that: comprise electrical motor, retarder, flexible adjustable connecting device, adjustable backgear, hook with safety tong, transmission mainboard and driving frame, described transmission mainboard is fixedly installed in and drives on frame, described driving frame is provided with flexible adjustable connecting device, described electrical motor is connected with retarder by high inertia elastic coupler, described electrical motor, retarder, high inertia elastic coupler and adjustable backgear all are fixed on the transmission mainboard, on the output shaft of described retarder, gear is installed, tooth bar engagement on described gear and guide rail bracket, the outside of described electrical motor is equipped with DC electromagnetic brake, upper and lower guide roller and side guide roller are installed on described driving frame, described upper and lower guide roller, adjustable backgear and side guide roller are all joined and are incorporated in guiding rolling on main chord with the main chord of building hoist guide rail bracket, the adjustable connecting device of described flexibility comprises transmission device flexible unit and the adjustable connecting device of transmission device, described transmission device flexible unit and the adjustable connecting device of transmission device are connected to one, described transmission device flexible unit comprises the some groups of belleville springs of two one group, the above bracing ring of described some groups of belleville springs is that boundary divides upper and lower two groups of series combinations, the belleville spring group of described series combination is installed on same hanging axis, the top of described belleville spring group is provided with the packing ring that it is carried out to pretension, the bottom of described belleville spring group is provided with support sleeve, the outside of described belleville spring group is provided with overcoat, described outer putting is fixed with the upper support circle, lower support circle and cover plate, described cover plate is fixedly connected with connecting panel by connecting element, be provided with cushion blocking between described cover plate and connecting panel, described overcoat drives the frame welding by connecting panel and transmission device, the adjustable connecting device of described transmission device comprises joint bearing block, plain radial bearing, minor axis and otic placode, described joint bearing block biside plate is fixed with the left and right adjusting sleeve, described plain radial bearing is installed between the adjusting sleeve of left and right by minor axis, described otic placode one end is fixed on minor axis by plain radial bearing, the described otic placode other end is connected otic placode with the cage case or cage case attaching parts is fixedly connected with, described joint bearing block and transmission device drive frame to be welded and fixed.
2. flexibility-adjustable transmission mechanism of construction lifter according to claim 1 is characterized in that: described transmission mainboard drives on frame by driving frame bottom plate attaching parts and buffering kit to be fixed in.
3. flexibility-adjustable transmission mechanism of construction lifter according to claim 1, it is characterized in that: described transmission device flexible unit and the adjustable connecting device of transmission device are integrated by the transition beam soldering group.
4. flexibility-adjustable transmission mechanism of construction lifter according to claim 1, it is characterized in that: described transmission device flexible unit and the adjustable connecting device of transmission device are connected to one by hanging axis and Hough chuck.
5. flexibility-adjustable transmission mechanism of construction lifter according to claim 1, it is characterized in that: described otic placode is connected otic placode by attaching parts with the cage case or cage case attaching parts is fixedly connected with.
6. flexibility-adjustable transmission mechanism of construction lifter according to claim 1, it is characterized in that: described otic placode is by hanging axis and the Hough chuck is connected otic placode with the cage case or cage case attaching parts is fixedly connected with.
7. flexibility-adjustable transmission mechanism of construction lifter according to claim 5, it is characterized in that: described attaching parts is pin and locking plate.
8. flexibility-adjustable transmission mechanism of construction lifter according to claim 1, it is characterized in that: described connecting element is bolt, the nut be used in conjunction with and the locating dowel pin of being located at the bolt bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110427312 CN102515002B (en) | 2011-12-20 | 2011-12-20 | Flexibility-adjustable transmission mechanism of construction lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110427312 CN102515002B (en) | 2011-12-20 | 2011-12-20 | Flexibility-adjustable transmission mechanism of construction lifter |
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| CN102515002A CN102515002A (en) | 2012-06-27 |
| CN102515002B true CN102515002B (en) | 2013-12-25 |
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| CN 201110427312 Active CN102515002B (en) | 2011-12-20 | 2011-12-20 | Flexibility-adjustable transmission mechanism of construction lifter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118797A (en) * | 2013-04-24 | 2014-10-29 | 上海道多汽车设备有限公司 | Suspension ring used for automobile assembly line elevator |
| CN103663028A (en) * | 2013-12-18 | 2014-03-26 | 启东大同电机有限公司 | Flexible connection device with column pressure weighing function of construction hoist drive mechanism |
| CN103879858B (en) * | 2014-03-17 | 2016-02-17 | 中联重科股份有限公司 | Building hoist and suspension centre thereof set and assemble method |
| CN104370192A (en) * | 2014-10-20 | 2015-02-25 | 启东大同电机有限公司 | Dual-braking transmission mechanism of construction hoist |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0087579A1 (en) * | 1982-02-24 | 1983-09-07 | Inventio Ag | Elevator winch |
| CN87204522U (en) * | 1987-08-20 | 1988-05-25 | 秦文选 | Synchronous teeth type belt driving hoister |
| CN2241734Y (en) * | 1996-02-15 | 1996-12-04 | 北京市北方惠利技术公司 | Special-purpose equipment conveying car in stereo automatic carport |
| CN201660384U (en) * | 2009-05-15 | 2010-12-01 | 刘建国 | Novel transmission device of gear rack construction lifter |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080067012A1 (en) * | 2006-09-15 | 2008-03-20 | Kobrehel Michael D | Brake Assembly for In-Vehicle Platform Lift |
-
2011
- 2011-12-20 CN CN 201110427312 patent/CN102515002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0087579A1 (en) * | 1982-02-24 | 1983-09-07 | Inventio Ag | Elevator winch |
| CN87204522U (en) * | 1987-08-20 | 1988-05-25 | 秦文选 | Synchronous teeth type belt driving hoister |
| CN2241734Y (en) * | 1996-02-15 | 1996-12-04 | 北京市北方惠利技术公司 | Special-purpose equipment conveying car in stereo automatic carport |
| CN201660384U (en) * | 2009-05-15 | 2010-12-01 | 刘建国 | Novel transmission device of gear rack construction lifter |
| 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 |
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| CN102515002A (en) | 2012-06-27 |
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