CN102241375A - Screw lifting mechanism and automatic lifting platform - Google Patents
Screw lifting mechanism and automatic lifting platform Download PDFInfo
- Publication number
- CN102241375A CN102241375A CN201110157030XA CN201110157030A CN102241375A CN 102241375 A CN102241375 A CN 102241375A CN 201110157030X A CN201110157030X A CN 201110157030XA CN 201110157030 A CN201110157030 A CN 201110157030A CN 102241375 A CN102241375 A CN 102241375A
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- screw
- lifting nut
- cover
- lifting
- seat
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- Types And Forms Of Lifts (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a screw lifting mechanism, which comprises a screw, a lifting nut, a socket sleeve and plane bearings, wherein the lifting nut is screwed on the screw; the socket sleeve is sleeved on the outside surface of the lifting nut; the lifting nut can rotate in the socket sleeve; the outside surface of one end of the lifting nut is provided with transmission teeth which are positioned outside the socket sleeve, and the outside surface of the other end of the lifting nut is provided with a stopping device; a plane bearing is arranged between the transmission tooth end of the lifting nut and the socket sleeve and a plane bearing is arranged between the stopping device and the socket sleeve; and the loose rings of the plane bearings are contacted with the socket sleeve, and the tight rings of the plane bearings are contacted with the stopping device and the flange on the transmission tooth end of the lifting nut. The screw lifting mechanism solves the problem that the conventional screw lifting mechanism can only be operated by hand rather than automatically, is mainly used in an automatic lifting device (for example: an automatic lifting platform) and has the advantages of drive by a power device and convenience for automatic application.
Description
Technical field
The present invention relates to jacking system, particularly screw lifting mechanism and lifting table.
Background technology
Existing screw lifting mechanism structure is comparatively simple, can only lean on manual operation, is not easy to automation application.
Summary of the invention
The purpose of this invention is to provide the screw lifting mechanism that a kind of usable power device drives, can only lean on manual operation, be not easy to the problem of automation application, a kind of automatic rising-sinking platform is provided simultaneously to solve existing screw lifting mechanism.
The objective of the invention is to be achieved through the following technical solutions:
A kind of screw lifting mechanism, comprise screw rod, lifting nut, cover for seat and surface bearing, described lifting nut screws on screw rod, described cover for seat is enclosed within on the outside face of described lifting nut, described lifting nut can rotate in described cover for seat, the outside face of one end of described lifting nut is provided with driving cog, described driving cog is in outside the described cover for seat, the outside face of the other end of described lifting nut is provided with retaining means, be provided with surface bearing between the transmission increment of described lifting nut and cover for seat and between retaining means and cover for seat, the DNA releaxed circular DNA of described surface bearing contacts with cover for seat, and tight ring contacts with the flange of the transmission increment of retaining means and lifting nut.
Described retaining means is to be enclosed within the cushion cover on the lifting nut outside face and to screw two circular nuts on described lifting nut distal outer surface jointly.
A kind of automatic rising-sinking platform, comprise above-mentioned screw lifting mechanism, underframe, engine installation, driving chain wheel and platform, described engine installation and described screw lifting mechanism are arranged on the underframe, on the output shaft of described engine installation driving chain wheel is installed, described driving chain wheel connects by chain-driving with the driving cog of described screw lifting mechanism, and an end of the screw rod of described screw lifting mechanism connects with platform.
Chain slack list near described driving chain wheel is provided with idler sprocket.
Beneficial effect of the present invention is: the usable power device drives screw lifting mechanism, is convenient to automation application, as above-mentioned automatic rising-sinking platform.
Description of drawings
With embodiment the present invention is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the structural representation of the screw lifting mechanism of the embodiment of the invention.
Fig. 2 is the structural representation of the automatic rising-sinking platform of the embodiment of the invention.
Fig. 3 is the chain-driving scheme drawing of the automatic rising-sinking platform of the embodiment of the invention.
Fig. 4 is the another kind of chain-driving scheme drawing of automatic rising-sinking platform of the present invention.
Among the figure: 1, screw rod; 2, lifting nut; 201, driving cog; 3, cover for seat; 4, surface bearing; 5, cushion cover; 6, circular nut; 7, stop washer; 8, underframe; 9, engine installation; 10, driving chain wheel; 11, platform; 12, idler sprocket.
The specific embodiment
As shown in Figure 1, the screw lifting mechanism of present embodiment, comprise screw rod 1, lifting nut 2, cover for seat 3 and surface bearing 4, described lifting nut 2 screws on screw rod 1, described cover for seat 3 is enclosed within on the outside face of described lifting nut 2, described lifting nut 2 can rotate in described cover for seat 3, the outside face of one end of described lifting nut 2 is provided with driving cog 201, described driving cog 201 is in outside the described cover for seat 3, the outside face of the other end of described lifting nut 2 is provided with retaining means, 3 of 3 of the transmission increment of described lifting nut 2 and cover for seat and retaining means and cover for seat are provided with surface bearing 4, the DNA releaxed circular DNA of described surface bearing 4 contacts with cover for seat 3, and tight ring contacts with the flange of the transmission increment of retaining means and lifting nut 2.
In the present embodiment, described driving cog 21 is specially sprocket.The flange of the transmission increment of lifting nut 2 of the present invention can be shown in present embodiment Fig. 1, also can be the matrix of driving cog 201.
Described retaining means is to be enclosed within the cushion cover 5 on lifting nut 2 outside faces and to screw two circular nuts 6 on described lifting nut 2 distal outer surface jointly.
Two 6 of circular nuts also are provided with stop washer 7.
Shown in Fig. 2～3, the automatic rising-sinking platform of present embodiment, comprise above-mentioned screw lifting mechanism, underframe 8, engine installation 9, driving chain wheel 10 and platform 11, described engine installation 9 and described screw lifting mechanism are arranged on the underframe 8, driving chain wheel 10 is installed on the output shaft of described engine installation 9, described driving chain wheel 10 is connected by chain-driving with the driving cog of described screw lifting mechanism, and an end of the screw rod 1 of described screw lifting mechanism connects with platform 11.
The automatic rising-sinking platform of present embodiment has adopted the described screw lifting mechanism of 4 covers, and driving chain wheel 10 has adopted duplicate sprocket.
Fig. 4 is the another kind of chain-driving type of attachment of automatic rising-sinking platform, and this chain-driving type of attachment has adopted the described screw lifting mechanism of 2 covers.Special version herein, the chain-driving type of attachment of the automatic rising-sinking platform shown in Fig. 3～4 are only enumerated for part, are not to have only these two kinds, and this will be readily apparent to persons skilled in the art.
Chain slack list near described driving chain wheel 10 is provided with idler sprocket 12.
Using method of the present invention is: cover for seat is fixed, and engine installation drives lifting nut and rotates in cover for seat, and screw rod promptly moves up and down, and platform is along with lifting.
The present invention is mainly used in apparatus for automatically lifting (as automatic rising-sinking platform), has the usable power device and drives screw lifting mechanism, is convenient to the advantage of automation application.
Claims (4)
1. screw lifting mechanism, it is characterized in that: comprise screw rod, lifting nut, cover for seat and surface bearing, described lifting nut screws on screw rod, described cover for seat is enclosed within on the outside face of described lifting nut, described lifting nut can rotate in described cover for seat, the outside face of one end of described lifting nut is provided with driving cog, described driving cog is in outside the described cover for seat, the outside face of the other end of described lifting nut is provided with retaining means, be provided with surface bearing between the transmission increment of described lifting nut and cover for seat and between retaining means and cover for seat, the DNA releaxed circular DNA of described surface bearing contacts with cover for seat, and tight ring contacts with the flange of the transmission increment of retaining means and lifting nut.
2. screw lifting mechanism according to claim 1 is characterized in that: described retaining means is to be enclosed within the cushion cover on the lifting nut outside face and to screw two circular nuts on described lifting nut distal outer surface jointly.
3. automatic rising-sinking platform, it is characterized in that: comprise the described screw lifting mechanism of claim 1, underframe, engine installation, driving chain wheel and platform, described engine installation and described screw lifting mechanism are arranged on the underframe, on the output shaft of described engine installation driving chain wheel is installed, described driving chain wheel connects by chain-driving with the driving cog of described screw lifting mechanism, and an end of the screw rod of described screw lifting mechanism connects with platform.
4. automatic rising-sinking platform according to claim 3 is characterized in that: the chain slack list near described driving chain wheel is provided with idler sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157030XA CN102241375A (en) | 2011-06-13 | 2011-06-13 | Screw lifting mechanism and automatic lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157030XA CN102241375A (en) | 2011-06-13 | 2011-06-13 | Screw lifting mechanism and automatic lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102241375A true CN102241375A (en) | 2011-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110157030XA Pending CN102241375A (en) | 2011-06-13 | 2011-06-13 | Screw lifting mechanism and automatic lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102241375A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121647A (en) * | 2011-11-18 | 2013-05-29 | 广西玉柴机器股份有限公司 | Device and method for crane walking gear train hoisting |
| CN103738880A (en) * | 2013-12-19 | 2014-04-23 | 江苏中港冶金设备科技有限公司 | Material lifting device |
| CN107055390A (en) * | 2017-06-30 | 2017-08-18 | 合肥航机械科技股份有限公司 | A kind of mechanical hoisting machine |
| CN111762719A (en) * | 2020-07-23 | 2020-10-13 | 张海华 | Lifting platform and driving method thereof |
| CN113562660A (en) * | 2021-07-12 | 2021-10-29 | 安徽新涛光电科技有限公司 | High-stability double-speed reducer lifting platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB621020A (en) * | 1944-03-30 | 1949-04-04 | Julio Villars | Improvements in or relating to apparatus for lifting vehicles |
| CN2051592U (en) * | 1989-05-06 | 1990-01-24 | 夏文国 | Pneumatic or electric jack type overturning skip mechanism |
| CN201567184U (en) * | 2009-12-21 | 2010-09-01 | 安丘市鼎正机械设备有限公司 | Clutch-type automatic lifting device |
| CN201817230U (en) * | 2010-10-15 | 2011-05-04 | 常州贝斯塔德机械科技有限公司 | Synchronous lifting platform |
| CN202099010U (en) * | 2011-06-13 | 2012-01-04 | 无锡帝凡精工机械有限公司 | Screw lifting mechanism and automatic lifting platform |
-
2011
- 2011-06-13 CN CN201110157030XA patent/CN102241375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB621020A (en) * | 1944-03-30 | 1949-04-04 | Julio Villars | Improvements in or relating to apparatus for lifting vehicles |
| CN2051592U (en) * | 1989-05-06 | 1990-01-24 | 夏文国 | Pneumatic or electric jack type overturning skip mechanism |
| CN201567184U (en) * | 2009-12-21 | 2010-09-01 | 安丘市鼎正机械设备有限公司 | Clutch-type automatic lifting device |
| CN201817230U (en) * | 2010-10-15 | 2011-05-04 | 常州贝斯塔德机械科技有限公司 | Synchronous lifting platform |
| CN202099010U (en) * | 2011-06-13 | 2012-01-04 | 无锡帝凡精工机械有限公司 | Screw lifting mechanism and automatic lifting platform |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121647A (en) * | 2011-11-18 | 2013-05-29 | 广西玉柴机器股份有限公司 | Device and method for crane walking gear train hoisting |
| CN103121647B (en) * | 2011-11-18 | 2015-05-13 | 广西玉柴机器股份有限公司 | Device and method for crane walking gear train hoisting |
| CN103738880A (en) * | 2013-12-19 | 2014-04-23 | 江苏中港冶金设备科技有限公司 | Material lifting device |
| CN107055390A (en) * | 2017-06-30 | 2017-08-18 | 合肥航机械科技股份有限公司 | A kind of mechanical hoisting machine |
| CN111762719A (en) * | 2020-07-23 | 2020-10-13 | 张海华 | Lifting platform and driving method thereof |
| CN113562660A (en) * | 2021-07-12 | 2021-10-29 | 安徽新涛光电科技有限公司 | High-stability double-speed reducer lifting platform |
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Application publication date: 20111116 |