CN205257883U - Pull rod formula elevating gear - Google Patents
Pull rod formula elevating gear Download PDFInfo
- Publication number
- CN205257883U CN205257883U CN201521056301.2U CN201521056301U CN205257883U CN 205257883 U CN205257883 U CN 205257883U CN 201521056301 U CN201521056301 U CN 201521056301U CN 205257883 U CN205257883 U CN 205257883U
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- base
- lifting platform
- rod
- connecting rod
- eccentric wheel
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Abstract
The utility model provides a pull rod formula elevating gear, the on -line screen storage device comprises a base, the elevating platform, the power unit of multistage link means and the multistage link means of drive, the elevating platform can be followed the vertical track that sets up and gone up and down on the base, multistage link means includes a plurality of horizontal connecting rods and the swinging arms corresponding with horizontal connecting rod, be equipped with the pivot on the base, it sets up the eccentric wheel to fix respectively with power unit's output in the pivot, two adjacent eccentric wheels are connected respectively at the both ends of horizontal connecting rod, be equipped with the slide along its length direction on the elevating platform, fixed connection is in the pivot for swinging arms one end, other end setting is in the slide and can follow the slide reciprocating sliding, the horizontal connecting rod reciprocating motion of dynamic mechanism driving, and use the pivot to swing as the centre of a circle is reciprocal through eccentric wheel drive swinging arms, it raises or lowers along vertical track to drive the elevating platform. This device improves transmission efficiency through the lift of the by a small margin of the multistage link means of dynamic mechanism driving realization elevating platform, improves the synchronism of going up and down at the elevating platform both ends.
Description
Technical field
The utility model belongs to jacking equipment technical field, especially relates to a kind of rod-pulling type lowering or hoisting gear for auto production line.
Background technology
On the production line of automobile, need the cooperation of lowering or hoisting gear to complete the work such as the transhipment, conveying, assembling of the parts such as vehicle body, chassis, at required heave amplitude hour, often adopt eccentric hoisting device, the semidiameter that utilizes eccentric wheel to rotate formation is realized the lifting by a small margin of hoistable platform, still, maintenance, the maintenance of eccentric hoisting device are inconvenient, and eccentric hoisting device is by chain or toothed belt transmission, transmission efficiency is lower, and the synchronism of lifting of lifting table is poor.
Utility model content
The purpose of this utility model is to provide a kind of rod-pulling type lowering or hoisting gear, drives multistage linkage to realize the lifting by a small margin of lifting platform by actuating unit, improves transmission efficiency, improves the synchronism of lifting platform two ends lifting.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of rod-pulling type lowering or hoisting gear, comprise base, lifting platform and multistage linkage, lifting platform can be along the vertical rail lifting arranging on base, base is provided with the actuating unit that drives multistage linkage, multistage linkage comprises multiple waling stripes and the swing arm corresponding with waling stripe, multiple rotating shafts perpendicular to base length direction are set on base, output at rotating shaft and actuating unit is fixedly installed respectively eccentric wheel, the two ends of waling stripe are hinged on respectively on two adjacent eccentric wheels, on lifting platform, be provided with along its length slideway, swing arm one end is fixedly connected in rotating shaft, the other end rotates and is arranged in slideway, and can slide along slideway, actuating unit drives waling stripe to move back and forth, and drive swing arm taking rotating shaft as center of circle reciprocally swinging by eccentric wheel, drive lifting platform rise or fall along vertical rail.
Preferably, limited support bar is set on base, after lifting platform is fallen, lifting platform is supported.
Preferably, described waling stripe comprises connecting rod I and connecting rod II, and one end of connecting rod I is connected with the eccentric wheel on actuating unit.
Preferably, described base is provided with the suspension ring of being convenient to lifting.
Compared with prior art, the utlity model has following beneficial effect:
First, in the utility model, multistage linkage is for being rigidly connected, in transmission, there is better transmission efficiency and synchronism, thereby ensure the stationarity of lowering or hoisting gear lifting, and the lifting of lifting platform is limited in vertical rail, just further ensure the stable of lifting process, prevented that it from occurring rocking and wave all around.
The second, actuating unit of the present utility model is arranged on the outside of lowering or hoisting gear, is convenient to carry out maintaining, has avoided maintenance personal in lowering or hoisting gear, to keep in repair the danger causing.
The 3rd, after lifting platform of the present utility model rises, swing arm and vertical rail all can bear the pressure on lifting platform, avoid swing arm or vertical rail stressed separately, reduce fault rate; And after lifting platform is fallen, pack up because swing arm is folded, be therefore arranged on limited support bar on base and can play the effect of supporting elevation platform.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model after lifting platform rises.
Fig. 2 is the structural representation of the utility model after lifting platform is fallen.
Fig. 3 is top view of the present utility model.
Mark in figure: 1, base, 2, lifting platform, 3, vertical rail, 4, slideway, 5, swing arm, 6, eccentric wheel, 7, actuating unit, 701, motor, 702, decelerator, 8, waling stripe, 9, limited support bar, 10, suspension ring, 11, rotating shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing, by detailed description of the invention, the utility model is further described.
A kind of rod-pulling type lowering or hoisting gear, comprise base 1, lifting platform 2, actuating unit 7 and multistage linkage, actuating unit 7 is made up of motor 701 and decelerator 702, and be arranged on the outside of base 1 one end, on the power output shaft of decelerator 702, be fixedly installed eccentric wheel 6, between base 1 and lifting platform 2, flexible vertical rail 3 is set, lifting platform 2 can be along vertical rail 3 liftings, and vertical rail 3 is Chinese character pin-shaped layout, three vertical rails 3 are set, one is arranged on the other end of the base relative with actuating unit 1, two other is symmetricly set on respectively the both sides of base 1, two rotating shafts 11 perpendicular to base 1 length direction are set on base 1, the two ends of rotating shaft 11 are rotatably supported on base 1 by bearing, the middle part of rotating shaft 11 is fixedly installed an eccentric wheel 6, described multistage linkage comprises two waling stripes 8 and two swing arms 5, waling stripe 8 comprises connecting rod I and connecting rod II, one end of connecting rod I is connected with the eccentric wheel 6 on decelerator 702, the other end is connected with the eccentric wheel 6 in adjacent shafts 11, the two ends of connecting rod II are hinged on respectively on the eccentric wheel 6 of two rotating shafts 11, on lifting platform 2, be provided with along its length slideway 4, swing arm 5 one end are fixedly installed in rotating shaft 11, the other end is arranged in the slideway 4 of lifting platform 2, and can slide along slideway 4, on base 1, be also provided with limited support bar 9 and be convenient to the suspension ring 10 that lift.
Preferably, described motor 701 is clockwise and anticlockwise motor, switches by the rotating of motor 701 lifting that realizes lifting platform 2.
Preferably, the end of swing arm 5 is provided with spin, and is slidably arranged in by spin in the slideway 4 of lifting platform 2.
Preferably, at slidably rotating shaft of the interior setting of slideway 4, swing arm 5 rotates and is arranged on this rotating shaft.
Preferably, between connecting rod I and the eccentric wheel 6 of decelerator 702, be provided with slider-crank mechanism, comprise the drive rod that is connected on eccentric wheel 6 and the slide block of drive rod end, and at base, the chute that confession slide block reciprocatingly slides is set, connecting rod I is connected on slide block, the displacement of the vertical direction that the rotation of eccentric wheel 6 can be produced by slider-crank mechanism is offset, and converts the reciprocating motion of slide block to, thereby ensures the steady of lifting platform 2 liftings.
In use, pass through decelerator 702 outputting powers by motor 701, move back and forth by eccentric wheel 6 drive link I and connecting rod II, and drive rotating shaft 11 to rotate and reverse, owing to being to be fixedly connected with between swing arm 5 and rotating shaft 11, therefore the rotating of rotating shaft 11 just drives the reciprocally swinging of swing arm 5, in the time that swing arm 5 changes from vertical state towards level, slide towards motor 701 directions along the slideway 4 of lifting platform 2 in swing arm 5 ends, lifting platform 2 declines until lifting platform 2 withstands on the limited support bar 9 on base 1 along vertical rail 3; When swing arm 5 is by level during towards vertical state variation, slide towards the direction away from motor 701 along the slideway 4 of lifting platform 2 in swing arm 5 ends, lifting platform 2 rises along vertical rail 3, and on decelerator 702, eccentric wheel 6 extreme position is in the horizontal direction respectively vertical state and the level of swing arm 5.
Claims (4)
1. a rod-pulling type lowering or hoisting gear, it is characterized in that: comprise base (1), lifting platform (2), the actuating unit (7) of multistage linkage and the multistage linkage of driving, lifting platform (2) can be along upper vertical rail (3) lifting arranging of base (1), multistage linkage comprises multiple waling stripes (8) and the swing arm (5) corresponding with waling stripe (8), on base (1), be provided with rotating shaft (11), output upper in rotating shaft (11) and actuating unit (7) is fixedly installed respectively eccentric wheel (6), the two ends of waling stripe (8) connect respectively adjacent two eccentric wheels (6), on lifting platform (2), be provided with along its length slideway (4), swing arm (5) one end is fixedly connected in rotating shaft (11), the other end is arranged in slideway (4) and can reciprocatingly slides along slideway (4), actuating unit (7) drives waling stripe (8) to move back and forth, and drive swing arm (5) taking rotating shaft (11) as center of circle reciprocally swinging by eccentric wheel (6), drive lifting platform (2) rise or fall along vertical rail (3).
2. a kind of rod-pulling type lowering or hoisting gear according to claim 1, is characterized in that: limited support bar (9) is set on base (1), falls and rear lifting platform (2) is supported at lifting platform (2).
3. a kind of rod-pulling type lowering or hoisting gear according to claim 1, it is characterized in that: the eccentric wheel (6) on described actuating unit (7) is connected with drive rod, drive rod end arranges slide block, and the chute reciprocatingly sliding for slide block is set on base (1), described waling stripe (8) comprises connecting rod I and connecting rod II, and one end of connecting rod I is connected with slide block.
4. a kind of rod-pulling type lowering or hoisting gear according to claim 1, is characterized in that: described base (1) is provided with the suspension ring (10) of being convenient to lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056301.2U CN205257883U (en) | 2015-12-17 | 2015-12-17 | Pull rod formula elevating gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056301.2U CN205257883U (en) | 2015-12-17 | 2015-12-17 | Pull rod formula elevating gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205257883U true CN205257883U (en) | 2016-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521056301.2U Active CN205257883U (en) | 2015-12-17 | 2015-12-17 | Pull rod formula elevating gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205257883U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818063A (en) * | 2018-08-20 | 2018-11-16 | 周国京 | A kind of architectural engineering steel plate processing work platform |
| CN109854695A (en) * | 2019-03-25 | 2019-06-07 | 苏州富强科技有限公司 | A kind of eccentric wheel synchronous rotation driving mechanism |
| CN110000299A (en) * | 2019-05-10 | 2019-07-12 | 明勖（东莞）精密机械有限公司 | A kind of desk tray lifting device of press machine |
| CN112958933A (en) * | 2021-03-04 | 2021-06-15 | 庆铃汽车（集团）有限公司 | Automatic welding production line for vehicle bodies |
| CN114291760A (en) * | 2021-12-07 | 2022-04-08 | 常州好迪机械有限公司 | Reciprocating conveyor |
| CN115849243A (en) * | 2022-12-22 | 2023-03-28 | 珠海格力智能装备有限公司 | Lifting mechanism and conveying device |
-
2015
- 2015-12-17 CN CN201521056301.2U patent/CN205257883U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818063A (en) * | 2018-08-20 | 2018-11-16 | 周国京 | A kind of architectural engineering steel plate processing work platform |
| CN109854695A (en) * | 2019-03-25 | 2019-06-07 | 苏州富强科技有限公司 | A kind of eccentric wheel synchronous rotation driving mechanism |
| CN109854695B (en) * | 2019-03-25 | 2024-03-22 | 苏州富强科技有限公司 | Synchronous rotation driving mechanism for eccentric wheel |
| CN110000299A (en) * | 2019-05-10 | 2019-07-12 | 明勖（东莞）精密机械有限公司 | A kind of desk tray lifting device of press machine |
| CN112958933A (en) * | 2021-03-04 | 2021-06-15 | 庆铃汽车（集团）有限公司 | Automatic welding production line for vehicle bodies |
| CN112958933B (en) * | 2021-03-04 | 2022-07-15 | 庆铃汽车（集团）有限公司 | Automatic welding production line for vehicle bodies |
| CN114291760A (en) * | 2021-12-07 | 2022-04-08 | 常州好迪机械有限公司 | Reciprocating conveyor |
| CN115849243A (en) * | 2022-12-22 | 2023-03-28 | 珠海格力智能装备有限公司 | Lifting mechanism and conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |