CN101817485B - Large-stroke multistage lifting method and device - Google Patents
Large-stroke multistage lifting method and device Download PDFInfo
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- CN101817485B CN101817485B CN 201010132119 CN201010132119A CN101817485B CN 101817485 B CN101817485 B CN 101817485B CN 201010132119 CN201010132119 CN 201010132119 CN 201010132119 A CN201010132119 A CN 201010132119A CN 101817485 B CN101817485 B CN 101817485B
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Abstract
The invention relates to a large-stroke multistage lifting method. A synchronous belt drive mechanism is connected with two adjacent lifting frames in lifting frames at more than three stages; a synchronous belt drive mechanism in the first-stage lifting frame is driven by a drive motor; synchronous belt drive mechanisms on other stages of lifting frames are synchronously driven by a drive mechanism which is arranged between the stage lifting frame and the previous-stage lifting frame; and a multistage lifting frame is synchronously lifted by the synchronous belt drive mechanisms. The method is safe and reliable and is easy to realize large-stroke lifting. A large-stroke multistage lifting device comprises the synchronous belt drive mechanisms and lifting frames at more than three stages, wherein all stages of lifting frames except for the last-stage lifting frame are provided with the synchronous belt drive mechanisms for driving the next-stage lifting frame; a drive mechanism is installed between every two adjacent stages of lifting frames except for the last two stages of lifting frames; the synchronous belt drive mechanism on the first-stage lifting frame is driven by the drive motor on the first-stage lifting frame; and the synchronous belt drive mechanisms on other stages of lifting frames are synchronously driven by the drive mechanisms. The device has simple and compact structure and stable motion.
Description
Technical field
The present invention relates to multistage lifting method and device, relate in particular to the large-stroke multistage lifting method and the device that can be applicable to space docking system or industry mechanical arm.
Background technology
In the industrial circle, jacking system all has extensive utilization in the up-down of aerial platform, grand theater stage, the occasions such as transportation of harbour goods in modern times.Common jacking system has scissor-type lifting platform, feed screw nut formula lifting table.Yet; If will realize the up-down of big stroke, above-mentioned two kinds of devices all have shortcoming, and the stroke of scissor-type lifting platform is influenced by the stroke of oil cylinder and the physical dimension of mechanism; Realize that big stroke lifting must add the size of great institutions; And scissor-type lifting platform receives the time spent of doing of transverse force, has vibration, and whole anti-bending strength is bad; Feed screw nut formula crane often is a single-stage, and needs very long leading screw to guarantee big stroke lifting, but the leading screw difficulty of processing is big, and processing technology is complicated, and economy is bad.
Summary of the invention
The technical matters that the present invention will solve is the deficiency that overcomes prior art, and a kind of safe and reliable, large-stroke multistage lifting method of being easy to realize big stroke lifting is provided, and a kind of compact conformation, motion pulsation-free large-stroke multistage lifting device.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of large-stroke multistage lifting method; It is in the crane that socket links to each other successively more than three grades, to connect adjacent two cranes through synchronous belt drive mechanism; Synchronous belt drive mechanism on the first order crane is through being installed in the drive motor drives on the first order crane; Synchronous belt drive mechanism on other cranes at different levels makes multistage lifting frame synchronization lifting through being located at the driver train driven in synchronism between this grade and the upper class crane through synchronous belt drive mechanism.
Said synchronous belt drive mechanism comprises driving wheel that is installed in cranes at different levels top and the flower wheel that is installed in the bottom of cranes at different levels; Be with connection driving wheel and flower wheel synchronously with one; Establish the strap clamp frame being with folder synchronously; And with strap clamp frame connection next stage crane, the driving wheel at said drive motor drives first order crane top, and pass through strap clamp frame drive second stage crane by the synchronous band on this driving wheel and go up and down; Driving wheel on other cranes at different levels drives the next stage crane by the synchronous band on this driving wheel again and goes up and down through being located at the drive mechanism between this grade and the upper class crane.
Said driver train comprises tooth bar that vertically is installed in crane one side and the gear that is installed in next stage crane top; Make the wheel and rack engagement; And be connected set driving wheel is coaxial on this gear and this grade crane; The gear at crane top, the second stage produces under the tooth bar effect with the motion of crane and receives to compel to rotate, and is rotated by the coaxial driving wheel of this gear driven.
A kind of large-stroke multistage lifting device; Comprise synchronous belt drive mechanism and the crane that links to each other of socket successively more than three grades; Cranes at different levels are equipped with top board and base plate; Except that the afterbody crane, all be equiped with the synchronous belt drive mechanism that is used to drive the next stage crane on the cranes at different levels, except that last two-stage crane; All be equiped with driver train between each adjacent two-stage crane; Be equiped with drive motor on the top board of said first order crane, the synchronous belt drive mechanism on the first order crane is through said drive motor drives, and the synchronous belt drive mechanism on other cranes at different levels is through being located at the driver train driven in synchronism between this grade and the upper class crane.
Said synchronous belt drive mechanism comprises driving wheel, flower wheel, band and strap clamp frame synchronously; Said driving wheel is installed on the top board of cranes at different levels; Said flower wheel is installed on the base plate of cranes at different levels; Said synchronous band is set around on driving wheel and the flower wheel, and said strap clamp frame clamp fitting is in being with synchronously, and the strap clamp frame is connected with the next stage crane.
Said driver train comprises rack and pinion, and said tooth bar vertically is installed in a side of crane, and said gear is installed on the top board of next stage crane, and with this grade crane on set driving wheel is coaxial is connected, said wheel and rack engagement.
Between the top board of said cranes at different levels and the base plate all along circumferentially evenly being provided with many pilot bars; Be equiped with on the base plate of cranes at different levels and the cooresponding linear bearing of pilot bar, the linear bearing on the said cranes at different levels is sheathed on the pilot bar of next stage crane.
Be equiped with the protection spring on the top board of said afterbody crane, be equiped with the steel wire roller on the said first order crane, be arranged with steel rope on the said steel wire roller, said steel rope links to each other with protection spring top.
Compared with prior art, the invention has the advantages that: large-stroke multistage lifting method of the present invention is safe and reliable, can be through the number of increase and decrease crane, and the size of adjusting motion stroke is easy to realize big stroke lifting.Large-stroke multistage lifting device of the present invention adopts the multistage lifting frame continuous structure of socket successively; Himself physical dimension is little, occupy little space, compact conformation; And it is steady, safe and reliable to move, and the quantity of crane can be set, according to the needs of movement travel size when stroke increases; Only need to increase the number of crane, be easy to realize big stroke lifting; The multistage lifting frame can draw in fully, and the length after the gathering is merely the length of first order crane, that is to say if the equal in length of cranes at different levels, crane add up to n, the size after then whole mechanism draws in approximately is merely the 1/n of whole stroke.The rotation of driver train middle gear all is that receiving of under the tooth bar effect, producing of the motion with crane compels to rotate; Gear is connected with the driving wheel in the synchronous belt drive mechanism is coaxial; The urgent rotation that receives of gear will drive coaxial driving wheel; Make the running of next stage synchronous belt drive mechanism, thereby realize the synchronization lifting of multistage lifting frame.Can realize the constant speed or the speed change relative motion of cranes at different levels very easily through the transmitting ratio of selecting gear and driving wheel.Steady and the precision of moving through the cooperation assurance of pilot bar and linear bearing between the adjacent two-stage crane; And pilot bar is along circumferentially evenly arranging; When the time spent of doing that jacking system receives horizontal exciting force, can play good bending resistance effect, guarantee that motion is steadily.If the synchronous band of any one-level crane ruptures in the course of the work, can steadily hold whole device, the safety of protection personnel and equipment through protection spring and steel rope.In the large-stroke multistage lifting device of the present invention, the structure of cranes at different levels is identical, size difference to some extent only, and compact overall structure is easy to make, installation and maintenance.
Description of drawings
Fig. 1 is the schematic diagram of mechanism of level Four jacking system of the present invention;
Fig. 2 is the main TV structure scheme drawing of Pyatyi jacking system of the present invention;
Fig. 3 is the right TV structure scheme drawing of Pyatyi jacking system of the present invention.
Each label is represented among the figure:
1, pilot bar 2, linear bearing
3, drive motor 4, top board
5, base plate 6, synchronous belt drive mechanism
7, driver train 8, protection spring
9, steel wire roller 10, steel rope
11, first order crane 12, second stage crane
13, third stage crane 14, fourth stage crane
15, level V crane 61, driving wheel
62, flower wheel 63, synchronous band
64, strap clamp frame 71, tooth bar
72, gear
The specific embodiment
Fig. 1 shows the groundwork of large-stroke multistage lifting method embodiment of the present invention; This method is in the crane that socket links to each other successively more than three grades, to connect adjacent two cranes through synchronous belt drive mechanism 6; Synchronous belt drive mechanism 6 on the first order crane 11 drives through the drive motor 3 that is installed on the first order crane 11, and the synchronous belt drive mechanism 6 on other cranes at different levels drives through the driver train of being located between this grade and the upper class crane 7.Synchronous belt drive mechanism 6 comprises driving wheel 61 that is installed in cranes at different levels top and the flower wheel 62 that is installed in cranes at different levels bottom; Be with 63 to connect driving wheel 61 and flower wheel 62 synchronously with one; Be with on 63 folder to establish strap clamp frame 64 synchronously, and with strap clamp frame 64 connection next stage cranes; Driver train 7 comprises tooth bar 71 that vertically is installed in crane one side and the gear 72 that is installed in next stage crane top, makes gear 72 and tooth bar 71 engagements, and with set 61 coaxial connections of driving wheel on this gear 72 and this grade crane.The driving wheel 61 at first order crane 11 tops drives through drive motor 3; And by being with 63 to go up and down synchronously on this driving wheel 61 through strap clamp frame 64 drive second stage cranes 12; The gear 72 at second stage crane 12 tops receives to compel to rotate with motion generation under tooth bar 71 effects of crane; And by coaxial driving wheel 61 rotations of these gear 72 drives; By being with 63 to drive the next stage cranes through strap clamp frame 64 and go up and down synchronously on this driving wheel 61, by that analogy, the driving wheel 61 on other cranes at different levels is through being located at gear 72 drivings between this grade and the upper class crane again; Again by being with 63 to drive the next stage cranes through strap clamp frame 64 and go up and down synchronously on this driving wheel 61, thereby realize the synchronization lifting of multistage lifting frame.This method is safe and reliable, can be through the number of increase and decrease crane, and the size of adjusting motion stroke is easy to realize big stroke lifting.
As shown in Figure 1; With the level Four up-down is the embodiment that example is explained large-stroke multistage lifting device of the present invention, the inventive system comprises the crane that synchronous belt drive mechanism 6 links to each other with level Four socket successively, in the level Four crane; First order crane 11 is a fixed mount; Second stage crane 12, third stage crane 13 and fourth stage crane 14 are tressel, and cranes at different levels are equipped with top board 4 and base plate 5, except that fourth stage crane 14 (afterbody crane); All be equiped with the synchronous belt drive mechanism 6 that is used to drive the next stage crane on the cranes at different levels; Except that third stage crane 13 and fourth stage crane 14 (last two-stage crane), all be equiped with driver train 7 between each adjacent two-stage crane, be equiped with drive motor 3 on the top board 4 of first order crane 11; Synchronous belt drive mechanism 6 on the first order crane 11 drives through drive motor 3, and the synchronous belt drive mechanism 6 on other cranes at different levels is through being located at driver train 7 driven in synchronism between this grade and the upper class crane.The present invention adopts the multistage lifting frame continuous structure of socket successively; Himself physical dimension is little, occupy little space, compact conformation, and it is steady, safe and reliable to move, and the quantity of crane generally is made as more than three grades; Can specifically set the crane number according to the needs of movement travel size; When stroke increases, only need to increase crane and get final product, be easy to realize big stroke lifting; The multistage lifting frame can draw in fully; Length after the gathering is merely the length of first order crane 11; That is to say if crane equal in length at different levels, crane add up to n, the size after then whole mechanism draws in approximately is merely the 1/n of whole stroke; And the no any obstacle of leaving in jacking system below after drawing in fully, it is current from the below to be convenient to miscellaneous equipment.In the large-stroke multistage lifting device of the present invention, the structure of cranes at different levels is identical, size difference to some extent only, and compact overall structure is easy to make, installation and maintenance; Drive motor 3 is selected servomotor for use.
Synchronous belt drive mechanism 6 comprises driving wheel 61, flower wheel 62, is with 63 and strap clamp frame 64 synchronously; Driving wheel 61 is installed on the top board 4 of crane; Flower wheel 62 is installed on the base plate 5 of crane; Be with 63 to be set around on driving wheel 61 and the flower wheel 62 synchronously, strap clamp frame 64 clamp fittings are in being with on 63 synchronously, and strap clamp frame 64 is connected with the top board 4 of next stage crane.Driver train 7 comprises tooth bar 71 and gear 72, and tooth bar 71 vertically is installed in a side of crane, and gear 72 is installed on the top board 4 of next stage crane, and with this grade crane on set 61 coaxial connections of driving wheel, gear 72 and tooth bar 71 engagements.The rotation of driver train 7 middle gears 72 all is to compel to rotate receiving of producing down of tooth bar 71 effects with the motion of crane, and this gear 72 will drive coaxial driving wheel 61, and the synchronous belt drive mechanism 6 on the next stage crane is turned round.Can realize the constant speed or the speed change relative motion of cranes at different levels very easily through selecting the gear 72 and the transmitting ratio of driving wheel 61.
Between the top board 4 of cranes at different levels and the base plate 5 all along circumferentially evenly being provided with many pilot bars 1; Be equiped with on the base plate 5 of cranes at different levels and pilot bar 1 cooresponding linear bearing 2, the linear bearing 2 on the cranes at different levels is sheathed on the pilot bar 1 of next stage crane.Steady and the precision of moving through the cooperation assurance of pilot bar 1 and linear bearing 2 between the adjacent two-stage crane; And pilot bar 1 is along circumferentially evenly arranging; When the time spent of doing that jacking system receives horizontal exciting force, can play good bending resistance effect, guarantee that motion is steadily.
Be equiped with protection spring 8 on the top board 4 of afterbody crane; Be equiped with steel wire roller 9 on the first order crane 11; Be arranged with steel rope 10 on the steel wire roller 9, steel rope 10 links to each other with protection spring 8 tops, and steel wire roller 9 is rolled steel rope 10, emit when device goes up and down.If the synchronous band of any one-level crane ruptures in the course of the work, can steadily hold whole device, the safety of protection personnel and equipment through protection spring 8 and steel rope 10.
When large-stroke multistage lifting device of the present invention is worked; The driving wheel 61 that drive motor 3 on the first order crane 11 drives on the first order crane 11 rotates; And go up and down by the 63 drive second stage cranes 12 of being with synchronously on this driving wheel 61; Gear 72 on this moment second stage crane 12 is synchronization lifting with it, and this gear 72 receives to compel to rotate under the effect of tooth bar 71, and drives coaxial driving wheel 61 by this gear 72 and rotate; By being with 63 to drive third stage cranes 13 synchronization liftings synchronously on this driving wheel 61, drive fourth stage crane 13 synchronization liftings in an identical manner by the synchronous belt drive mechanism on the third stage crane 13 6 more again through strap clamp frame 64.
Fig. 2 and Fig. 3 show another embodiment of large-stroke multistage lifting device of the present invention; The difference of this device and the foregoing description only is to be provided with altogether in the present embodiment Pyatyi crane; Wherein first order crane 11 is a fixed mount; Second stage crane 12, third stage crane 13, fourth stage crane 14 and level V crane 15 are tressel, except that level V crane 15 (afterbody crane), all are equiped with the synchronous belt drive mechanism 6 that is used to drive the next stage crane on the cranes at different levels; Except that fourth stage crane 14 and level V crane 15 (last two-stage crane), all be equiped with driver train 7 between each adjacent two-stage crane.Present embodiment has bigger lifting travel, and its structure and principle of work and the foregoing description are all basic identical, repeat no more at this.
The above only is a preferred implementation of the present invention, and protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art, also should be regarded as protection scope of the present invention in the some improvement and the retouching that do not break away under the principle of the invention prerequisite.
Claims (4)
1. large-stroke multistage lifting method; It is characterized in that: in the crane that socket links to each other successively more than three grades, connect adjacent two cranes through synchronous belt drive mechanism (6); Synchronous belt drive mechanism (6) on the first order crane (11) drives through the drive motor (3) that is installed on the first order crane (11); Synchronous belt drive mechanism (6) on other cranes at different levels is through being located at driver train (7) driven in synchronism between this grade and the upper class crane; Make multistage lifting frame synchronization lifting through synchronous belt drive mechanism (6); Said synchronous belt drive mechanism (6) comprises driving wheel (61) that is installed in cranes at different levels top and the flower wheel (62) that is installed in the bottom of cranes at different levels; Be with (63) to connect driving wheel (61) and flower wheel (62) synchronously with one; Go up folder at synchronous band (63) and establish strap clamp frame (64), and connect the next stage crane, the driving wheel (61) at said drive motor (3) driving first order crane (11) top with strap clamp frame (64); And pass through strap clamp frame (64) drive second stage crane (12) by the synchronous band (63) on this driving wheel (61) and go up and down; Driving wheel (61) on other cranes at different levels drives through the driver train of being located between this grade and the upper class crane (7), drives the next stage crane by the synchronous band (63) on this driving wheel (61) through strap clamp frame (64) again and goes up and down, and said driver train (7) comprises tooth bar (71) that vertically is installed in crane one side and the gear (72) that is installed in next stage crane top; Make gear (72) and tooth bar (71) engagement; And with coaxial connection of set driving wheel (61) on this gear (72) and this grade crane, the gear (72) at second stage crane (12) top produces down in tooth bar (71) effect with the motion of crane and receives to compel to rotate, and drives coaxial driving wheel (61) rotation by this gear (72).
2. large-stroke multistage lifting device; It is characterized in that: comprise synchronous belt drive mechanism (6) and the crane that links to each other of socket successively more than three grades; Cranes at different levels are equipped with top board (4) and base plate (5), except that the afterbody crane, all are equiped with the synchronous belt drive mechanism (6) that is used to drive the next stage crane on the cranes at different levels; Except that last two-stage crane; All be equiped with driver train (7) between each adjacent two-stage crane, be equiped with drive motor (3) on the top board (4) of first order crane (11), the synchronous belt drive mechanism (6) on the first order crane (11) drives through said drive motor (3); Synchronous belt drive mechanism (6) on other cranes at different levels is through being located at driver train (7) driven in synchronism between this grade and the upper class crane; Said synchronous belt drive mechanism (6) comprises driving wheel (61), flower wheel (62), is with (63) and strap clamp frame (64) synchronously, and said driving wheel (61) is installed on the top board (4) of cranes at different levels, and said flower wheel (62) is installed on the base plate (5) of cranes at different levels; Said synchronous band (63) is set around on driving wheel (61) and the flower wheel (62); Said strap clamp frame (64) clamp fitting is on synchronous band (63), and strap clamp frame (64) is connected with the next stage crane, and said driver train (7) comprises tooth bar (71) and gear (72); Said tooth bar (71) vertically is installed in a side of crane; Said gear (72) is installed on the top board (4) of next stage crane, and with this grade crane on coaxial connection of set driving wheel (61), the engagement of said gear (72) and tooth bar (71).
3. large-stroke multistage lifting device according to claim 2; It is characterized in that: between top board of said cranes at different levels (4) and the base plate (5) all along circumferentially evenly being provided with many pilot bars (1); Be equiped with on the base plate of cranes at different levels (5) and the cooresponding linear bearing of pilot bar (1) (2), the linear bearing (2) on the said cranes at different levels is sheathed on the pilot bar (1) of next stage crane.
4. according to claim 2 or 3 described large-stroke multistage lifting devices; It is characterized in that: be equiped with protection spring (8) on the top board of said afterbody crane (4); Be equiped with steel wire roller (9) on the said first order crane (11); Be arranged with steel rope (10) on the said steel wire roller (9), said steel rope (10) links to each other with protection spring (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132119 CN101817485B (en) | 2010-03-25 | 2010-03-25 | Large-stroke multistage lifting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132119 CN101817485B (en) | 2010-03-25 | 2010-03-25 | Large-stroke multistage lifting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101817485A CN101817485A (en) | 2010-09-01 |
| CN101817485B true CN101817485B (en) | 2012-12-05 |
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| CN 201010132119 Expired - Fee Related CN101817485B (en) | 2010-03-25 | 2010-03-25 | Large-stroke multistage lifting method and device |
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| CN (1) | CN101817485B (en) |
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| CN108793024A (en) * | 2018-08-15 | 2018-11-13 | 科大智能电气技术有限公司 | A kind of high light and handy elevating mechanism of multistage of reliability |
| CN108910794B (en) * | 2018-09-10 | 2023-07-21 | 广西电网有限责任公司电力科学研究院 | Aerial ladder conveying device for aerial work |
| CN109081258B (en) * | 2018-09-28 | 2024-02-09 | 武汉道森传动科技有限公司 | Heavy-duty type multistage spiral lifting device |
| CN110977947B (en) * | 2019-12-25 | 2021-11-30 | 广东博智林机器人有限公司 | Lifting mechanism and construction robot |
| CN111301966B (en) * | 2020-03-05 | 2023-04-14 | 杭州明度智能科技有限公司 | Loading equipment moving platform and automatic loading system |
| CN112374248B (en) * | 2020-10-07 | 2022-12-13 | 浙江美来亚纺织有限公司 | Lifting mechanism for folding prevention of textile stacking |
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| CN113084168B (en) * | 2021-04-06 | 2022-07-01 | 哈尔滨工业大学 | Laser melting deposition forming ultrasonic workbench |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353720Y (en) * | 1998-11-02 | 1999-12-15 | 茹国斌 | Lifting table |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001316085A (en) * | 2000-05-11 | 2001-11-13 | Banzai Kogyo Kk | Bipost type concentric-shaft multistage lift |
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2010
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353720Y (en) * | 1998-11-02 | 1999-12-15 | 茹国斌 | Lifting table |
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Granted publication date: 20121205 Termination date: 20180325 |