CN104961066A - Mechanical lifting rod with multiple lead screws - Google Patents
Mechanical lifting rod with multiple lead screws Download PDFInfo
- Publication number
- CN104961066A CN104961066A CN201510386851.9A CN201510386851A CN104961066A CN 104961066 A CN104961066 A CN 104961066A CN 201510386851 A CN201510386851 A CN 201510386851A CN 104961066 A CN104961066 A CN 104961066A
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- CN
- China
- Prior art keywords
- pipe
- leading screw
- axis
- circular
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
Abstract
A mechanical lifting rod with multiple lead screws comprises a pipe body and a driving device, and the pipe body is provided with multiple circular pipes, wherein the axes of the pipes are on the same straight line, and the pipes are sleeved together in the mode that the diameters of the pipes change from large to small; an axial guide key is arranged on the outer wall of each circular pipe, the inner circumference of each circular pipe upper end upper sleeve is provided with guide slots, the driving device comprises the multiple circular pipe lead screws which are arranged in the circular pipes, the outer circumference of each circular lead screw is provided with an axial plane, each lower end pipe orifice is provided with pin holes, an arch-shaped pin block which can slide on the axial plane of the adjacent inner side lead screw is embedded in each pin hole, a circular-ring-shaped lower sleeve is connected between each circular pipe and the lower end of the corresponding circular pipe lead screw, a bearing is arranged on the upper section of each lower sleeve inner hole, a nut is arranged on the lower section of the lower sleeve inner hole, and each lead screw is meshed with the nut of the adjacent lower sleeve. When the mechanical lifting rod with the multiple lead screws is lifted up or dropped down, the multiple circular pipes are lifted up or dropped down synchronously, and the used time of lifting or dropping is shorter; the adjacent circular pipe lead screws of the driving device of the mechanical lifting rod with the multiple lead screws are mutually connected and transmit torque through the arch-shaped pin blocks and the radial pin holes, the structure is simple, and the mechanical lifting rod with the multiple lead screws can be lifted up to any height below the highest height.
Description
Technical field
The present invention relates to a kind of multi-thread bar mechanical lifter, particularly a kind of actuating device of Mechanical lifter.
Background technology
Mechanical lifter has certain weight lifting ability, and Mechanical lifter is mainly used in the device such as fast erecting antenna, radar or lamps and lanterns aloft.Mechanical lifter has body and actuating device.
In prior art, a kind of multi-thread bar mechanical lifter is disclosed in Chinese patent bulletin CN 101428743 B, the N root pipe that the body of this multi-thread bar mechanical lifter has axis diameter to be on the same line nested together from big to small, N is the integer of 4 ~ 10, in N root pipe, outermost one is bottom tube, a pipe is push pipe, remaining is interior pipe, bottom tube is fixed on base, the outer wall of push pipe and interior pipe, there is feather key vertically, the upper end of bottom tube and interior pipe has on annular arrangement to be overlapped, the inner periphery that annular arrangement overlaps has the guide groove matched with the feather key of adjacent inner tube outer wall,
Actuating device has in above-mentioned N root pipe, the axis end leading screw on the same line of axis and above-mentioned N root pipe, the N-2 root outer wall having the axis of axis and end leading screw diameter to be on the same line nested together from small to large outside end leading screw has externally threaded pipe leading screw, in N-2 root pipe leading screw, outermost one is push pipe leading screw, remaining is interior pipe leading screw, the dynamic input end in lower end of end leading screw.
The lower end mouth of pipe of push pipe has negative thread and outer convex edge, and the lower end mouth of pipe of interior pipe has the annular arrangement stop collar with inside and outside convex edge, and the internal thread rotation of push pipe lower end, on the outside thread of push pipe leading screw, has negative thread in the lower end mouth of pipe of interior pipe leading screw,
The upper end mouth of pipe of push pipe leading screw is connected with one-way clutch end cap, and the upper end mouth of pipe of interior pipe leading screw is connected with two-way clutch end cap.
This multi-thread bar mechanical lifter has following deficiency:
1. multi-thread bar mechanical lifter is when rising, and many pipes rise successively by root, and during decline, many pipes decline successively by root, and the time used during lifting is longer;
2. the upper end mouth of pipe of the push pipe leading screw of multi-thread bar mechanical lifter actuating device is connected with one-way clutch end cap, the upper end mouth of pipe of interior pipe leading screw is connected with two-way clutch end cap, multi-thread bar mechanical lifter is when rising, one by one to be separated adjacent clutch end cap, when declining, one by one will merge adjacent clutch end cap, the structure of its actuating device is more complicated.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, the structure proposing a kind of actuating device be comparatively simple, lifting time time used shorter multi-thread bar mechanical lifter.
The present invention is achieved using the following method.
Multi-thread bar mechanical lifter has body and actuating device,
The N root pipe that body has axis diameter to be on the same line nested together from big to small, N is the integer of 4 ~ 10, in N root pipe, outermost one is bottom tube, and a pipe is push pipe, remaining is interior pipe, bottom tube is fixed on base, the outer wall of push pipe and interior pipe, has feather key vertically, and the upper end of bottom tube and interior pipe has on annular arrangement to be overlapped, the inner periphery that annular arrangement overlaps has the guide groove matched with the feather key of adjacent interior circular tube external wall
Actuating device has in above-mentioned N root pipe, the axis end leading screw on the same line of axis and above-mentioned N root pipe, the N-2 root outer wall having the axis of axis and end leading screw diameter to be on the same line nested together from small to large outside end leading screw has externally threaded pipe leading screw, in N-2 root pipe leading screw, outermost one is push pipe leading screw, remaining is interior pipe leading screw, the dynamic input end in lower end of end leading screw
The excircle of end leading screw and interior pipe leading screw has the axial plane formed because machining away axial arc post, radial pin-and-hole is had in the lower end mouth of pipe of push pipe leading screw and interior pipe leading screw, radial pin-and-hole is embedded with the arc pin block that can slide at the axial plane of adjacent inboard leading screw excircle
The nut engaging with push pipe leading screw and be connected is had in the lower end mouth of pipe of push pipe,
Be connected with annular arrangement between the lower end of interior pipe and corresponding interior pipe leading screw to trap, annular arrangement is trapped and is connected with the axis bearing on the same line of axis and interior pipe between the epimere of endoporus and interior pipe leading screw, the trap hypomere of endoporus of annular arrangement has the nut engaging with the pipe leading screw of adjacent inboard and be connected
The trap nut of endoporus hypomere of end leading screw and adjacent cylindrical engages and is connected.
Nut in the mouth of pipe of above-mentioned lower end and push pipe form and push up lifting unit, and above-mentioned annular arrangement is trapped lifting unit in connected pipe and interior pipe leading screw composition.
Multi-thread bar mechanical lifter is that the top lifting unit that is nested together from inside to outside and multiple interior lifting unit are connected to form.
Trap with the corresponding annular arrangement respectively nut of endoporus hypomere of pipe leading screw outside thread inside adjacent lifting unit engages and is connected,
The axial plane of the inner side pipe leading screw of adjacent lifting unit is connected by the radial pin-and-hole of arc pin block and outside pipe leading screw, and when end leading screw rotates, the N-2 root pipe leading screw be nested together rotates simultaneously.
Inside adjacent lifting unit, the axially directed key of pipe overlaps in the guide groove of inner periphery on the annular arrangement of adjacent outer adjacent lifting unit pipe upper end, with leading screw drive annular arrangement trap the nut of endoporus hypomere time, lifting unit is elevated along axis.
During use, end leading screw is driven to rotate forward by external force, the many pipe leading screws be nested together are because having radial pin-and-hole and arc pin block between adjacent pipe leading screw, so the many pipe leading screws be nested together rotate forward simultaneously, the pipe leading screw be nested together rotates forward simultaneously and drives the nut of engagement to rise respectively, drive the many groups lifting unit be nested together synchronously to rise, realize multi-thread bar mechanical lifter and rise.
After multi-thread bar mechanical lifter rises, end leading screw contrarotation is driven by external force, the pipe leading screw be nested together contrarotation simultaneously, the nut that the pipe leading screw be nested together contrarotation simultaneously drives annular arrangement to trap respectively declines, drive the many groups lifting unit be nested together synchronously to decline, realize multi-thread bar mechanical lifter and fall.
The present invention has the following advantages compared with above-mentioned multi-thread bar mechanical lifter of the prior art:
1. multi-thread bar mechanical lifter is when rising, and many pipes are synchronous rises, and during decline, many pipes are synchronous declines, and the time used during lifting is shorter;
2. the adjacent pipe leading screw of multi-thread bar mechanical lifter actuating device is connected and transmitting torque with radial pin-and-hole with arc pin block, and structure is simple.On the arbitrary height that the present invention can allow multi-thread bar mechanical lifter rise below maximum height.
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the main cross-sectional schematic of a kind of multi-thread bar mechanical lifter when falling that scheme of the invention according to the present invention proposes;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is the main cross-sectional schematic of multi-thread bar mechanical lifter when rising in Fig. 1;
Fig. 4 is the main cross-sectional schematic of top lifting unit;
Fig. 5 is the main cross-sectional schematic of interior lifting unit;
Fig. 6 is the schematic top plan view of upper cover;
Fig. 7 is the main cross-sectional schematic of bottom tube that end leading screw is housed;
Fig. 8 is that the master of interior pipe leading screw looks enlarged diagram;
Fig. 9 is the schematic top plan view of Fig. 8;
Figure 10 is the schematic side view of Fig. 8;
Figure 11 is that the master of arc pin block looks enlarged diagram;
Figure 12 is the schematic top plan view of Figure 11;
Figure 13 is Figure 11 schematic side view;
Figure 14 is that the master trapped analyses and observe enlarged diagram;
Figure 15 is the schematic top plan view of Figure 14.
Detailed description of the invention
In Fig. 1 ~ Figure 15, multi-thread bar mechanical lifter has body 1 and actuating device 2,
Seven pipes that body has axis diameter to be on the same line nested together from big to small, in seven pipes, outermost one is bottom tube 3, a pipe is push pipe 4, and remaining is interior pipe 5,6,7,8,9, and bottom tube to be fixed on base 10, the outer wall of push pipe and interior pipe, there is feather key 11 vertically, the upper end of bottom tube and interior pipe has on annular arrangement overlaps 12, and the inner periphery that annular arrangement overlaps has the guide groove 13 matched with the feather key of adjacent interior circular tube external wall
Actuating device has in above-mentioned seven pipes, the axis end leading screw 14 on the same line of axis and above-mentioned seven pipes, five outer walls having the axis of axis and end leading screw diameter to be on the same line nested together from small to large outside end leading screw have externally threaded pipe leading screw, in five pipe leading screws, outermost one is push pipe leading screw 15, remaining is interior pipe leading screw 16,17,18,19, the dynamic input end 20 in lower end of end leading screw
The excircle of end leading screw and interior pipe leading screw has the axial plane 21 formed because machining away axial arc post, radial pin-and-hole 22 is had in the lower end mouth of pipe of push pipe leading screw and interior pipe leading screw, radial pin-and-hole is embedded with the arc pin block 23 that can slide at the axial plane of adjacent inboard leading screw excircle
The nut 24 engaging with push pipe leading screw and be connected is had in the lower end mouth of pipe of push pipe,
Be connected with annular arrangement between the lower end of interior pipe and corresponding interior pipe leading screw and trap 25, annular arrangement is trapped and is connected with the axis bearing 26 on the same line of axis and interior pipe between the epimere of endoporus and this circle leading screw, the trap hypomere of endoporus of annular arrangement has the nut 27 engaging with the pipe leading screw of adjacent inboard and be connected
The trap nut of endoporus hypomere of end leading screw and adjacent cylindrical engages and is connected.
Claims (1)
1. a multi-thread bar mechanical lifter,
There are body and actuating device,
The N root pipe that body has axis diameter to be on the same line nested together from big to small, N is the integer of 4 ~ 10, in N root pipe, outermost one is bottom tube, and a pipe is push pipe, remaining is interior pipe, bottom tube is fixed on base, the outer wall of push pipe and interior pipe, has feather key vertically, and the upper end of bottom tube and interior pipe has on annular arrangement to be overlapped, the inner periphery that annular arrangement overlaps has the guide groove matched with the feather key of adjacent interior circular tube external wall
Actuating device has in above-mentioned N root pipe, the axis end leading screw on the same line of axis and above-mentioned N root pipe, the N-2 root outer wall having the axis of axis and end leading screw diameter to be on the same line nested together from small to large outside end leading screw has externally threaded pipe leading screw, in N-2 root pipe leading screw, outermost one is push pipe leading screw, remaining is interior pipe leading screw, the dynamic input end in lower end of end leading screw, is characterized in that:
The excircle of end leading screw and interior pipe leading screw has the axial plane formed because machining away axial arc post, radial pin-and-hole is had in the lower end mouth of pipe of push pipe leading screw and interior pipe leading screw, radial pin-and-hole is embedded with the arc pin block that can slide at the axial plane of adjacent inboard leading screw excircle
The nut engaging with push pipe leading screw and be connected is had in the lower end mouth of pipe of push pipe,
Be connected with annular arrangement between the lower end of interior pipe and corresponding interior pipe leading screw to trap, annular arrangement is trapped and is connected with the axis bearing on the same line of axis and interior pipe between the epimere of endoporus and interior pipe leading screw, the trap hypomere of endoporus of annular arrangement has the nut engaging with the pipe leading screw of adjacent inboard and be connected
The trap nut of endoporus hypomere of end leading screw and adjacent cylindrical engages and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386851.9A CN104961066A (en) | 2015-07-06 | 2015-07-06 | Mechanical lifting rod with multiple lead screws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386851.9A CN104961066A (en) | 2015-07-06 | 2015-07-06 | Mechanical lifting rod with multiple lead screws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104961066A true CN104961066A (en) | 2015-10-07 |
Family
ID=54215201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510386851.9A Pending CN104961066A (en) | 2015-07-06 | 2015-07-06 | Mechanical lifting rod with multiple lead screws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104961066A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510177A (en) * | 2016-01-14 | 2016-04-20 | 浙江科技学院 | Device for detecting liquid density of shale gas |
| CN106241641A (en) * | 2016-08-30 | 2016-12-21 | 铁岭长天机电有限责任公司 | The most telescopic Mechanical lifter of the many square tubes of single screw |
| CN106241640A (en) * | 2016-08-30 | 2016-12-21 | 铁岭长天机电有限责任公司 | Many screw synchronous electric lifting rod |
| CN110469566A (en) * | 2019-09-11 | 2019-11-19 | 中国人民解放军第六九O五工厂 | Multifibres bar elevating lever section by section |
| CN110469566B (en) * | 2019-09-11 | 2024-04-19 | 中国人民解放军第六九O五工厂 | Multi-screw rod section-by-section lifting rod |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU945058A1 (en) * | 1980-12-23 | 1982-07-23 | Предприятие П/Я Р-6476 | Telescopic hoist |
| SU1104102A2 (en) * | 1983-03-03 | 1984-07-23 | Ордена Трудового Красного Знамени Центральный Научно-Исследовательский И Проектный Институт Строительных Металлоконструкций "Цниипроектстальконструкция" | Telescopic lift |
| CN2344374Y (en) * | 1998-08-04 | 1999-10-20 | 隋玉春 | Mechanical lifter |
| CN2734721Y (en) * | 2004-08-31 | 2005-10-19 | 陈勇 | Electric jack |
| CN101279701A (en) * | 2008-04-30 | 2008-10-08 | 南京俊东机电设备有限公司 | Lead screw transmission lifting rod |
| CN101428743A (en) * | 2008-12-09 | 2009-05-13 | 铁岭长天机电有限责任公司 | Multi-thread bar mechanical lifter |
| CN102001601A (en) * | 2010-09-05 | 2011-04-06 | 崔鲁彬 | Electric spiral lifting rod |
| CN102491217A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Ball screw and sliding screw mutually nested type synchronous lifting photoelectric mast |
| CN204981006U (en) * | 2015-07-06 | 2016-01-20 | 铁岭长天机电有限责任公司 | Many lead screws machinery lifter |
-
2015
- 2015-07-06 CN CN201510386851.9A patent/CN104961066A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU945058A1 (en) * | 1980-12-23 | 1982-07-23 | Предприятие П/Я Р-6476 | Telescopic hoist |
| SU1104102A2 (en) * | 1983-03-03 | 1984-07-23 | Ордена Трудового Красного Знамени Центральный Научно-Исследовательский И Проектный Институт Строительных Металлоконструкций "Цниипроектстальконструкция" | Telescopic lift |
| CN2344374Y (en) * | 1998-08-04 | 1999-10-20 | 隋玉春 | Mechanical lifter |
| CN2734721Y (en) * | 2004-08-31 | 2005-10-19 | 陈勇 | Electric jack |
| CN101279701A (en) * | 2008-04-30 | 2008-10-08 | 南京俊东机电设备有限公司 | Lead screw transmission lifting rod |
| CN101428743A (en) * | 2008-12-09 | 2009-05-13 | 铁岭长天机电有限责任公司 | Multi-thread bar mechanical lifter |
| CN102001601A (en) * | 2010-09-05 | 2011-04-06 | 崔鲁彬 | Electric spiral lifting rod |
| CN102491217A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Ball screw and sliding screw mutually nested type synchronous lifting photoelectric mast |
| CN204981006U (en) * | 2015-07-06 | 2016-01-20 | 铁岭长天机电有限责任公司 | Many lead screws machinery lifter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510177A (en) * | 2016-01-14 | 2016-04-20 | 浙江科技学院 | Device for detecting liquid density of shale gas |
| CN106241641A (en) * | 2016-08-30 | 2016-12-21 | 铁岭长天机电有限责任公司 | The most telescopic Mechanical lifter of the many square tubes of single screw |
| CN106241640A (en) * | 2016-08-30 | 2016-12-21 | 铁岭长天机电有限责任公司 | Many screw synchronous electric lifting rod |
| CN110469566A (en) * | 2019-09-11 | 2019-11-19 | 中国人民解放军第六九O五工厂 | Multifibres bar elevating lever section by section |
| CN110469566B (en) * | 2019-09-11 | 2024-04-19 | 中国人民解放军第六九O五工厂 | Multi-screw rod section-by-section lifting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151007 |
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| WD01 | Invention patent application deemed withdrawn after publication |