CN201694783U - Worm gear and lead screw lifter - Google Patents
Worm gear and lead screw lifter Download PDFInfo
- Publication number
- CN201694783U CN201694783U CN2010202581779U CN201020258177U CN201694783U CN 201694783 U CN201694783 U CN 201694783U CN 2010202581779 U CN2010202581779 U CN 2010202581779U CN 201020258177 U CN201020258177 U CN 201020258177U CN 201694783 U CN201694783 U CN 201694783U
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- Prior art keywords
- worm gear
- setting nut
- screw mandrel
- cylindrical
- nut
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Abstract
The utility model discloses a worm gear and lead screw lifter comprising a box body and a worm and gear transmission pair which is arranged in the box body; the inner hole of a worm gear is provided with a lead screw, and a trapezoidal threaded transmission pair is formed between the worm gear and the lead screw; and the lifter is characterized in that the trapezoidal threaded transmission pair formed by the worm gear and the lead screw is provided with a mechanism for eliminating a side gap. The lifter eliminates the axial gaps when in the trapezoidal threaded transmission between the worm gear and the lead screw, has high transmission precision and accurate lifting position, and improves the product quality.
Description
[technical field]
The utility model relates to a kind of elevator, what be specifically related to is a kind of worm gear screw lift.
[background technology]
The worm gear screw lift is widely used in the platform that all kinds of needs move up and down, as corridor of stage, large-scale passenger steamer etc., at present, domestic worm gear screw lift adopts worm and gear to slow down, make screw mandrel carry out fore and aft motion by the Acme thread transmission between worm gear and the screw mandrel then, promote the Platform Implementation flat-bed and move up and down.But because unavoidably there is endplay (sideshake) in the Acme thread transmission, so transmission accuracy is not high during elevator work, lifting position can not accurately be controlled.
[summary of the invention]
In view of the problem that present known technology exists, the technical problems to be solved in the utility model is to be to provide a kind of endplay can eliminate Acme thread transmission between the worm gear screw mandrel time, and transmission accuracy height, lifting position be the worm gear screw lift accurately.
For solving the problems of the technologies described above, the utility model takes following technical scheme to finish:
A kind of worm gear screw lift, comprise casing and be located at the interior worm and gear transmission of casing, the endoporus of worm gear is provided with screw mandrel, forms the Acme thread transmission between the two, it is characterized in that: the Acme thread transmission that described worm gear and screw mandrel form has the mechanism of eliminating sideshake.The mechanism of described elimination sideshake comprises that flange covers thoroughly, the setting nut I, setting nut II and pressing plate, the saturating lid of flange is fixed on the described casing, described screw mandrel stretches out in the saturating lid of flange, the endoporus of setting nut I is provided with Acme thread and is screwed on the described screw mandrel, the cylindrical of setting nut I is provided with feather key and is connected by feather key with worm gear, the setting nut II is located at the outside of setting nut I, the endoporus sky of setting nut II is enclosed within the screw mandrel cylindrical, the cylindrical of setting nut II is connected with the inner hole thread of the saturating lid of flange, the cylindrical of the setting nut II jam nut that also has been threaded, the cylindrical of setting nut II and jam nut is respectively equipped with tooth-shape structure, one end of described pressing plate positions and compresses above-mentioned tooth-shape structure, and the other end is fixed.
The beneficial effects of the utility model are: owing to eliminated the endplay of Acme thread transmission between worm gear and the screw mandrel, so the transmission accuracy height, screw mandrel promotes the position of lifting platform and can accurately be controlled, and the product design of elevator is greatly improved.
[description of drawings]
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the top plan view of Fig. 1
[specific embodiment]
Accompanying drawing has been represented the technical solution of the utility model and embodiment, further describes each relevant details and principle of work thereof of embodiment below more in conjunction with the accompanying drawings.
With reference to attached Fig. 1 and 2, this kind worm gear screw lift, comprise casing 3, be located at the worm and gear transmission in the casing 3 and have trapezoidal externally threaded screw mandrel 1, the endoporus of worm gear 2 is provided with trapezoidal internal thread, form the Acme thread transmission between worm gear 2 and the screw mandrel 1, the Acme thread transmission that described worm gear and screw mandrel form has the mechanism of eliminating sideshake, the mechanism of described elimination sideshake comprises the saturating lid 4 of flange, setting nut I 11, setting nut II 8 and pressing plate 5,10, the saturating lid 4 of flange is fixed on the described casing 3, described screw mandrel 1 stretches out in the saturating lid of flange, the endoporus of setting nut I 11 is provided with Acme thread and is screwed on the described screw mandrel 1, the cylindrical of setting nut I 11 is provided with feather key 12 and is connected by feather key 12 with worm gear 2, setting nut II 8 is located at the outside of setting nut I 11, the endoporus sky of setting nut II 8 is enclosed within screw mandrel 1 cylindrical, the cylindrical of setting nut II 8 is provided with outside thread, the endoporus of the saturating lid 4 of flange is provided with negative thread, be threaded between the saturating lid of setting nut II and flange, the setting nut II cylindrical that exposes the saturating lid of the flange jam nut 7 that also has been threaded, the cylindrical of setting nut II 8 and jam nut 7 also is respectively equipped with tooth-shape structure 9 and 6, described pressing plate is provided with two, pressing plate 5, an end of 10 positions respectively and compresses the cylindrical tooth-shape structure 9 and 6 of setting nut II and jam nut, prevent to regulate setting nut II and jam nut rotation or loosening after finishing and locking, pressing plate 5,10 the other end is fixed on the cylindrical of the saturating lid 4 of described flange.
Acme thread transmission sideshake control process of the present utility model is performed such: at first unclamp briquetting and jam nut, rotate the setting nut II then, the setting nut II promotes the setting nut I upwards, certainly lead to relative minor rotation between setting nut I and the screw mandrel, owing to radially be not feather key connection in relative rotation between setting nut I and the worm gear, so also certainly lead to relative minor rotation between worm gear and the screw mandrel, one side of the Acme thread contact surface of worm gear and screw mandrel is certain to be close to, so just eliminated the endplay (sideshake) of worm gear and screw mandrel Acme thread transmission, reach the high requirement of transmission accuracy, after eliminating sideshake, jam nut is locked the setting nut II, utilize briquetting that jam nut and setting nut II are positioned and compress at last, then briquetting is fixed, guaranteed to be in all the time between worm gear and the screw mandrel state of eliminating sideshake.
Claims (2)
1. worm gear screw lift, comprise casing (3) and be located at the interior worm and gear transmission of casing (3), the endoporus of worm gear (2) is provided with screw mandrel (1), form the Acme thread transmission between the two, it is characterized in that: the Acme thread transmission that described worm gear (2) and screw mandrel (1) form has the mechanism of eliminating sideshake.
2. a kind of worm gear screw lift as claimed in claim 1, it is characterized in that: the mechanism of described elimination sideshake comprises that flange covers (4) thoroughly, setting nut I (11), setting nut II (8) and pressing plate, flange covers (4) thoroughly and is fixed on the described casing (3), described screw mandrel (1) stretches out in the saturating lid of flange, the endoporus of setting nut I (11) is provided with Acme thread and is screwed on the described screw mandrel (1), the cylindrical of setting nut I (11) is provided with feather key (12) and is connected by feather key (12) with worm gear (2), setting nut II (8) is located at the outside of setting nut I (11), the endoporus sky of setting nut II (8) is enclosed within screw mandrel (1) cylindrical, the cylindrical of setting nut II (8) covers (4) thoroughly with flange inner hole thread is connected, the cylindrical of setting nut II (8) jam nut (7) that also has been threaded, the cylindrical of setting nut II (8) and jam nut (7) is respectively equipped with tooth-shape structure (9,6), one end of described pressing plate positions and compresses above-mentioned tooth-shape structure, and the other end is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202581779U CN201694783U (en) | 2010-07-08 | 2010-07-08 | Worm gear and lead screw lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202581779U CN201694783U (en) | 2010-07-08 | 2010-07-08 | Worm gear and lead screw lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201694783U true CN201694783U (en) | 2011-01-05 |
Family
ID=43396025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202581779U Expired - Fee Related CN201694783U (en) | 2010-07-08 | 2010-07-08 | Worm gear and lead screw lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201694783U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561221A (en) * | 2012-02-01 | 2012-07-11 | 济南三新铁路润滑材料有限公司 | Sound barrier lifter for railways |
| CN103185654A (en) * | 2012-12-19 | 2013-07-03 | 浙江金刚汽车有限公司 | Oil tank airtightness water inspection device |
| CN103290815A (en) * | 2013-06-09 | 2013-09-11 | 王辉 | Mechanical movable retaining dam |
| CN103848368A (en) * | 2012-11-29 | 2014-06-11 | 江苏鑫德龙涂装设备有限公司 | Synchronous lifting device for longer steel pipe |
| CN107524780A (en) * | 2017-09-05 | 2017-12-29 | 宁波铝台精机有限公司 | A kind of worm geared pull-rod nut |
| WO2019137496A1 (en) * | 2018-01-12 | 2019-07-18 | 上海微电子装备（集团）股份有限公司 | Lifting mechanism, lifting platform device, lithography machine and lithography method |
| CN110104581A (en) * | 2018-12-05 | 2019-08-09 | 哈尔滨工业大学 | A kind of spiral lift based on planetary roller screw |
-
2010
- 2010-07-08 CN CN2010202581779U patent/CN201694783U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561221A (en) * | 2012-02-01 | 2012-07-11 | 济南三新铁路润滑材料有限公司 | Sound barrier lifter for railways |
| CN102561221B (en) * | 2012-02-01 | 2014-05-14 | 济南三新铁路润滑材料有限公司 | Sound barrier lifter for railways |
| CN103848368A (en) * | 2012-11-29 | 2014-06-11 | 江苏鑫德龙涂装设备有限公司 | Synchronous lifting device for longer steel pipe |
| CN103185654A (en) * | 2012-12-19 | 2013-07-03 | 浙江金刚汽车有限公司 | Oil tank airtightness water inspection device |
| CN103185654B (en) * | 2012-12-19 | 2016-12-07 | 浙江金刚汽车有限公司 | Fuel tank air-tightness water checking device |
| CN103290815A (en) * | 2013-06-09 | 2013-09-11 | 王辉 | Mechanical movable retaining dam |
| CN107524780A (en) * | 2017-09-05 | 2017-12-29 | 宁波铝台精机有限公司 | A kind of worm geared pull-rod nut |
| WO2019137496A1 (en) * | 2018-01-12 | 2019-07-18 | 上海微电子装备（集团）股份有限公司 | Lifting mechanism, lifting platform device, lithography machine and lithography method |
| CN110104581A (en) * | 2018-12-05 | 2019-08-09 | 哈尔滨工业大学 | A kind of spiral lift based on planetary roller screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Worm wheel lead screw elevator Effective date of registration: 20141030 Granted publication date: 20110105 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2014990000909 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150629 Granted publication date: 20110105 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2014990000909 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20150708 |
|
| EXPY | Termination of patent right or utility model |