CN103420259A - Screw lifting structure - Google Patents
Screw lifting structure Download PDFInfo
- Publication number
- CN103420259A CN103420259A CN2012101621594A CN201210162159A CN103420259A CN 103420259 A CN103420259 A CN 103420259A CN 2012101621594 A CN2012101621594 A CN 2012101621594A CN 201210162159 A CN201210162159 A CN 201210162159A CN 103420259 A CN103420259 A CN 103420259A
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- nut
- screw rod
- guide rail
- screw
- threaded spindle
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Abstract
The invention discloses a screw lifting structure comprising a first guide rail, a second guide rail, a first screw and nut group, a power unit, a second screw and nut group and a mobile member. The first screw and nut group is provided with a first screw and a first nut, and a fixing seat is fixedly connected with the end of the first screw; the first nut moves along the first screw; the power unit is arranged on a lifting platform and is provided with a first driving portion and a second driving portion, and the first driving portion is fixedly connected with the first nut; the second screw and nut group is provided with a second screw and a second nut, the second driving portion is fixedly connected with the top of the second screw, and the second nut moves along the second screw; the mobile member is fixedly connected with the second nut and moves with the same. According to the arrangement, the power unit can be controlled singly to drive the mobile member to move, and accordingly manufacturing and controlling cost is lower as compared to that in the prior art.
Description
Technical field
The present invention is relevant with lifting structure, refers to especially a kind of screw rod lifting structure.
Background technology
Along with arriving and the more and more concentrated result of unban population of population aging, use the demand of lifting structure increasingly to increase.More traditional lifting structure, adopt the wire rope pulley structure to drive compartment and move up and down, in order to transport personnel or goods each floor to building.But, though existing cable type lifting structure has advantage cheap and that manufacturing technology is ripe, but exist secret worry---the cables break problem on safety, although industry is constantly studied and is improved for the safety of cable type lifting structure, yet, the compartment that still continues to have the fracture of invar rope to cause in the news problem of falling.In addition, the problem that the cable wire lifting structure also has the running check of needing and a maintenance must be improved.
To this, the existing lifting structure structure that the threaded spindle cap nut group is driven, because the spiro cap in the threaded spindle cap nut group is located at screw rod thereby without the problem of deviating from screw rod, so type lifting structure can exempt compartment that the fracture of invar rope the causes problem of falling.So, because spiro rod length has the restriction in manufacture, and long screw rod also can produce the concentrated problem of much stress on strength of material, therefore being arranged, No. 543649 new patent of TaiWan, China create to overcome the problems referred to above, but aforementioned patent is used two groups of propulsions source, its cost of manufacture is still high, and must control two groups of propulsions source simultaneously and cause the increase of controlling cost.Moreover its transmission device arranges in mechanism's side, easily causes compartment to move deflection and move shakiness.
Summary of the invention
Main purpose of the present invention is to provide a kind of screw rod lifting structure, and it can use single group of propulsion source to drive the lifting structure compartment and move, and only controls single power source, cheap than controlling cost of prior art.
Of the present invention time a purpose is to provide a kind of screw rod lifting structure, and it lowers compartment and moves deflection, than prior art, operates steadily.
In order to reach aforementioned purpose, according to a kind of screw rod lifting structure provided by the present invention, include one first guide rail and one second guide rail, in parallel with each other the vertical stationary plane that is located at; One permanent seat, affixed this stationary plane or this first guide rail; One first threaded spindle cap nut group, there is one first screw rod and one first nut, affixed this permanent seat of this first screw tip, this first spiro cap is located at this first screw rod, when this first nut and this first screw rod relatively rotate, this first nut moves up and down along this first screw rod; One bay-lift, its opposite end has respectively one first guide-track groove and one second guide-track groove, and this first guide-track groove holds this first guide rail, and this second guide-track groove holds this second guide rail, limits this bay-lift and moves up and down along this first guide rail and this second guide rail; One engine installation, be arranged on this bay-lift, and this engine installation has one first drive division and one second drive division, affixed this first nut of this first drive division and drive this first nut to rotate; One second threaded spindle cap nut group, there is one second screw rod and one second nut, affixed this second drive division of this second screw tip, driven by this second drive division rotates, this second spiro cap is located at this second screw rod, when this second screw rod and this second nut relatively rotate, this second nut moves up and down along this second screw rod; An and moving body, be located between this first guide rail and this second guide rail, and these moving body both sides have respectively one the 3rd guide-track groove and one the 4th guide-track groove, the 3rd guide-track groove holds this first guide rail, the 4th guide-track groove holds this second guide rail, limit this moving body and move up and down along this first guide rail and this second guide rail respectively, affixed this second nut of this moving body and moving with this second nut.
Beneficial effect of the present invention:
Thus, the present invention controls this engine installation and can use this first drive division and this second drive division to drive this moving body to move up and down, and its cost is cheap than prior art, and only controls this single engine installation, also cheap than controlling cost of prior art.
In addition, this engine installation has a reductor and a motor, this reductor is arranged on this bay-lift and has this first drive division and this second drive division, this motor is arranged on this reductor, drive this first drive division and this second drive division, and this reductor is towards the midway location setting between this first guide rail and this second guide rail.
Thus, screw rod lifting structure of the present invention drives this moving body in the midway location of this moving body and moves up and down, if compartment is arranged at this moving body, lowers compartment compared to prior art and moves deflection and operate steadily.
The accompanying drawing explanation
The block diagram of Fig. 1 preferred embodiment of the present invention;
The part enlarged drawing of Fig. 2 preferred embodiment of the present invention, show bay-lift and engine installation;
The part enlarged drawing of Fig. 3 preferred embodiment of the present invention, show moving body;
The use schematic diagram of Fig. 4 preferred embodiment of the present invention, moving body moves up;
The use schematic diagram of Fig. 5 preferred embodiment of the present invention, moving body moves up;
The use schematic diagram of Fig. 6 preferred embodiment of the present invention, moving body moves down; And
The use schematic diagram of Fig. 7 preferred embodiment of the present invention, moving body moves down.
[main element nomenclature]
11 first guide rail 12 second guide rails
13 permanent seat 14 first threaded spindle cap nut groups
141 first screw rod 142 first nuts
15 bay-lift 151 first guide-track grooves
152 second guide-track groove 16 engine installations
161 first drive division 162 second drive divisions
163 reductor 164 motors
17 second threaded spindle cap nut group 171 second screw rods
172 second nut 18 moving bodys
181 the 3rd guide-track groove 182 the 4th guide-track grooves
80 stationary planes
The specific embodiment
In order to describe technical characterstic of the present invention place in detail, hereby lift a following preferred embodiment and coordinate graphic explanation as after, wherein:
As shown in FIG. 1 to 3, a kind of screw rod lifting structure that preferred embodiment of the present invention provides, be located at a stationary plane 80, this screw rod lifting structure includes: one first guide rail 11, one second guide rail 12, a permanent seat 13, one first threaded spindle cap nut group 14, a bay-lift 15, an engine installation 16, one second threaded spindle cap nut group 17 and a moving body 18.
This first guide rail 11 and this second guide rail 12, vertical this stationary plane 80 that is located in parallel with each other.
This permanent seat 13, affixed this stationary plane 80 or this first guide rail 11.This preferred embodiment is that to take affixed this first guide rail 11 of this permanent seat 13 be example.But should be noted that, this permanent seat 13 is used for fixing the basis of object, no matter it is direct or indirect affixed this stationary plane 80 or this first guide rail 11, even all practicable with modes such as this stationary plane 80 or this first guide rail 11 are formed in one.
This first threaded spindle cap nut group 14, there is one first screw rod 141 and one first nut 142, affixed this permanent seat 13 in these the first screw rod 141 tops, this first nut 142 is sheathed on this first screw rod 141, when this first nut 142 relatively rotates with this first screw rod 141, this first nut 142 moves up and down along this first screw rod 141.It is worth mentioning that, this first threaded spindle cap nut group 14 can be also ball screw nut block or roller screw nut block.
This bay-lift 15, its opposite end has respectively one first guide-track groove 151 and one second guide-track groove 152, this first guide-track groove 151 holds this first guide rail 11, this second guide-track groove 152 holds this second guide rail 12, limits this bay-lift 15 and moves up and down along this first guide rail 11 and this second guide rail 12.
This engine installation 16, be arranged on this bay-lift 15, and this engine installation 16 has one first drive division 161 and one second drive division 162, affixed this first nut 142 of this first drive division 161 and drive this first nut 142 to rotate.In this preferred embodiment, this engine installation 16 has a reductor 163 and a motor 164, this reductor 163 is arranged on this bay-lift 15 and has this first drive division 161 and this second drive division 162, this motor 164 is arranged on this reductor 163, drives this first drive division 161 and this second drive division 162.
This second threaded spindle cap nut group 17, there is one second screw rod 171 and one second nut 172, affixed this second drive division 162 in these the second screw rod 171 tops, driven by this second drive division 162 rotates, this second nut 172 is sheathed on this second screw rod 171, when this second screw rod 171 relatively rotates with this second nut 172, this second nut 172 moves up and down along this second screw rod 171.
This moving body 18, can arrange on it for compartment or other carry object, be located between this first guide rail 11 and this second guide rail 12, and these moving body 18 both sides have respectively one the 3rd guide-track groove 181 and one the 4th guide-track groove 182, the 3rd guide-track groove 181 holds this first guide rail 11, the 4th guide-track groove 182 holds this second guide rail 12, limit this moving body 18 and move up and down along this first guide rail 11 and this second guide rail 132 respectively, affixed this second nut 172 of this moving body 18 and moving with this second nut 172.
Thus, controlling this engine installation 16 can use this first drive division 161 and this second drive division 162 these moving bodys 18 of drive to move up and down, its cost is cheap than prior art, and only controls single engine installation 16, also cheap than controlling cost of prior art.
The explanation of above preferred embodiment, in addition, in order to lower the deflection situation in compartment in prior art, this preferred embodiment allows the midway location setting of this reductor 163 towards 12, this first guide rail 11 and this second guide rail, thus, can lower compartment moves deflection and operates steadily.
Next, introduce the description of operation of this preferred embodiment.
As wanted, make this moving body 18 move up and down along this first guide rail 11 and this second guide rail 12 respectively, start the motor 164 in this engine installation 16, drive this reductor 163 via motor 164, allow this first drive division 161 and this second drive division 162 drive respectively this first nut 142 and this second screw rod 171 to rotate.
Because this second screw rod 171 rotates, therefore be socketed in the second nut 172 of this second screw rod 171, along this second screw rod 171, move, and the moving body 18 of affixed this second nut 172, also just along with this second nut 172 moves.At the same time, this first nut 142, because rotation moves up and down along this first screw rod 141, also drives this bay-lift 15 and moves along this first guide rail 11 and this second guide rail 12 respectively.
Except foregoing, what will put forward especially is, this the first threaded spindle cap nut group 14 and this second threaded spindle cap nut group 17 all have its helical pitch, in this preferred embodiment, this the first threaded spindle cap nut group 14 is identical with the helical pitch of this second threaded spindle cap nut group 17, and this first nut 142 is identical with these the second screw rod 171 rotating speeds.So cause, the miles of relative movement of these bay-lift 15 relative these the first screw rods 141 equals relative these the second screw rod 171 miles of relative movement of this moving body 18.Certainly, also can design the helical pitch that allows the helical pitch of this first threaded spindle cap nut group 14 be greater than this second threaded spindle cap nut group 17, at this moment the rotating speed of this first nut 142 must be less than this second screw rod 171 rotating speeds.Or the helical pitch that this first ball screw is 14 groups is less than the helical pitch of this second threaded spindle cap nut group 17, and the rotating speed of this first nut 142 is greater than this second screw rod 171 rotating speeds.
Claims (9)
1. a screw rod lifting structure includes:
One first guide rail and one second guide rail, the vertical stationary plane that is located in parallel with each other;
One permanent seat, affixed this stationary plane or this first guide rail;
One first threaded spindle cap nut group, there is one first screw rod and one first nut, affixed this permanent seat of this first screw tip, this first spiro cap is located at this first screw rod, when this first nut and this first screw rod relatively rotate, this first nut moves up and down along this first screw rod;
One bay-lift, its opposite end has respectively one first guide-track groove and one second guide-track groove, and this first guide-track groove holds this first guide rail, and this second guide-track groove holds this second guide rail, limits this bay-lift and moves up and down along this first guide rail and this second guide rail;
One engine installation, be arranged on this bay-lift, and this engine installation has one first drive division and one second drive division, affixed this first nut of this first drive division and drive this first nut to rotate;
One second threaded spindle cap nut group, there is one second screw rod and one second nut, affixed this second drive division of this second screw tip, driven by this second drive division rotates, this second spiro cap is located at this second screw rod, when this second screw rod and this second nut relatively rotate, this second nut moves up and down along this second screw rod; And
One moving body, be located between this first guide rail and this second guide rail, and these moving body both sides have respectively one the 3rd guide-track groove and one the 4th guide-track groove, the 3rd guide-track groove holds this first guide rail, the 4th guide-track groove holds this second guide rail, limit this moving body and move up and down along this first guide rail and this second guide rail respectively, affixed this second nut of this moving body and moving with this second nut.
2. screw rod lifting structure as claimed in claim 1, is characterized in that: affixed this first guide rail of this permanent seat.
3. screw rod lifting structure as claimed in claim 1, it is characterized in that: this first threaded spindle cap nut group or this second threaded spindle cap nut group are the ball screw nut block.
4. screw rod lifting structure as claimed in claim 1, it is characterized in that: this first threaded spindle cap nut group or this second threaded spindle cap nut group are the roller screw nut block.
5. screw rod lifting structure as claimed in claim 1, it is characterized in that: this engine installation has a reductor and a motor, this reductor is arranged on this bay-lift and has this first drive division and this second drive division, this motor is arranged on this reductor, drives this first drive division and this second drive division.
6. screw rod lifting structure as claimed in claim 1, it is characterized in that: this reductor is towards the midway location setting between this first guide rail and this second guide rail.
7. screw rod lifting structure as claimed in claim 1, it is characterized in that: this first threaded spindle cap nut group is identical with the helical pitch of this second threaded spindle cap nut group, and this first nut is identical with this second screw speed.
8. screw rod lifting structure as claimed in claim 1, it is characterized in that: the helical pitch of this first threaded spindle cap nut group is greater than the helical pitch of this second threaded spindle cap nut group, and the rotating speed of this first nut is less than this second screw speed.
9. screw rod lifting structure as claimed in claim 1, it is characterized in that: the helical pitch of this first threaded spindle cap nut group is less than the helical pitch of this second threaded spindle cap nut group, and the rotating speed of this first nut is greater than this second screw speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162159.4A CN103420259B (en) | 2012-05-23 | 2012-05-23 | Screw rod lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162159.4A CN103420259B (en) | 2012-05-23 | 2012-05-23 | Screw rod lifting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103420259A true CN103420259A (en) | 2013-12-04 |
| CN103420259B CN103420259B (en) | 2015-09-09 |
Family
ID=49645719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210162159.4A Expired - Fee Related CN103420259B (en) | 2012-05-23 | 2012-05-23 | Screw rod lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103420259B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427734A (en) * | 2015-11-13 | 2016-03-23 | 重庆红亿机械有限公司 | Water resistance box electrode plate lifting device |
| CN107120403A (en) * | 2017-05-15 | 2017-09-01 | 浙江卓求传动科技有限公司 | A kind of Bidirectional slide adjusts self-locking ball screw |
| CN107738975A (en) * | 2017-11-23 | 2018-02-27 | 广东威铝铝业股份有限公司 | The semi-automatic loading and unloading lowering or hoisting gear of anodic oxidation line |
| CN109110677A (en) * | 2017-06-23 | 2019-01-01 | 上银科技股份有限公司 | Screw rod relay stroke type lifting device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6616929A (en) * | 1965-12-13 | 1967-06-14 | ||
| BE819037A (en) * | 1974-08-21 | 1974-12-16 | PERFECTED LIFT OR LOADER. | |
| US3881575A (en) * | 1972-12-11 | 1975-05-06 | Carlisle F Manaugh | Vertical transportation and elevator system |
| SE452599B (en) * | 1985-05-31 | 1987-12-07 | Naertransportdon Ntd Ab | Compact screw lift for domestic personal conveyance |
| TW543649U (en) * | 2002-12-18 | 2003-07-21 | Hiwin Tech Corp | Screw-style elevator |
| JP4391649B2 (en) * | 1999-12-20 | 2009-12-24 | 三菱電機株式会社 | Elevator hoist support device |
| CN101792084A (en) * | 2010-02-01 | 2010-08-04 | 杭州优耐德电梯有限公司 | Energy-saving environment-friendly double-power lift |
| CN201713182U (en) * | 2010-05-07 | 2011-01-19 | 佛山市安川电梯有限公司 | Assembling structure of drive screw elevator |
| KR20110123349A (en) * | 2010-05-07 | 2011-11-15 | 이동근 | Elevator for low floor |
| CN102295211A (en) * | 2011-08-08 | 2011-12-28 | 吴国辉 | Elevator-car ropeless-elevating mechanism for vertical elevator |
-
2012
- 2012-05-23 CN CN201210162159.4A patent/CN103420259B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6616929A (en) * | 1965-12-13 | 1967-06-14 | ||
| US3881575A (en) * | 1972-12-11 | 1975-05-06 | Carlisle F Manaugh | Vertical transportation and elevator system |
| BE819037A (en) * | 1974-08-21 | 1974-12-16 | PERFECTED LIFT OR LOADER. | |
| SE452599B (en) * | 1985-05-31 | 1987-12-07 | Naertransportdon Ntd Ab | Compact screw lift for domestic personal conveyance |
| JP4391649B2 (en) * | 1999-12-20 | 2009-12-24 | 三菱電機株式会社 | Elevator hoist support device |
| TW543649U (en) * | 2002-12-18 | 2003-07-21 | Hiwin Tech Corp | Screw-style elevator |
| CN101792084A (en) * | 2010-02-01 | 2010-08-04 | 杭州优耐德电梯有限公司 | Energy-saving environment-friendly double-power lift |
| CN201713182U (en) * | 2010-05-07 | 2011-01-19 | 佛山市安川电梯有限公司 | Assembling structure of drive screw elevator |
| KR20110123349A (en) * | 2010-05-07 | 2011-11-15 | 이동근 | Elevator for low floor |
| CN102295211A (en) * | 2011-08-08 | 2011-12-28 | 吴国辉 | Elevator-car ropeless-elevating mechanism for vertical elevator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427734A (en) * | 2015-11-13 | 2016-03-23 | 重庆红亿机械有限公司 | Water resistance box electrode plate lifting device |
| CN107120403A (en) * | 2017-05-15 | 2017-09-01 | 浙江卓求传动科技有限公司 | A kind of Bidirectional slide adjusts self-locking ball screw |
| CN109110677A (en) * | 2017-06-23 | 2019-01-01 | 上银科技股份有限公司 | Screw rod relay stroke type lifting device |
| CN109110677B (en) * | 2017-06-23 | 2020-02-14 | 上银科技股份有限公司 | Screw rod relay stroke type lifting device |
| CN107738975A (en) * | 2017-11-23 | 2018-02-27 | 广东威铝铝业股份有限公司 | The semi-automatic loading and unloading lowering or hoisting gear of anodic oxidation line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103420259B (en) | 2015-09-09 |
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Granted publication date: 20150909 Termination date: 20190523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |