CN109592604A - A kind of motor-driven screw-nut pair lifting mechanism - Google Patents
A kind of motor-driven screw-nut pair lifting mechanism Download PDFInfo
- Publication number
- CN109592604A CN109592604A CN201710924659.XA CN201710924659A CN109592604A CN 109592604 A CN109592604 A CN 109592604A CN 201710924659 A CN201710924659 A CN 201710924659A CN 109592604 A CN109592604 A CN 109592604A
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- CN
- China
- Prior art keywords
- nut
- screw
- screw rod
- gear
- lifting mechanism
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of motor-driven screw-nut pair lifting mechanisms, including driving motor, shaft on the driving motor is connected by shaft coupling with drive bevel gear, the drive bevel gear and driven wheel of differential are sequentially connected, one end of main shaft is arranged in the driven wheel of differential, the other end of the main shaft is connected with the mandrel of driving gear, the driving gear is sequentially connected by three connection gears being uniformly distributed on the outside and limiting tooth wheel rim, it is provided with screw rod at the axle center of the connection gear, inside spin line is offered on the screw rod.The present invention makes the more convenient disassembly of service personnel, it is more convenient for service personnel to overhaul screw-nut pair lifting mechanism, it is provided a great convenience for the work of staff, greatly improve the stability of screw-nut pair lifting mechanism, substantially reduce the incidence of failure, service life greatly prolongs.
Description
Technical field
The present invention relates to elevating mechanism technical field, specially a kind of motor-driven screw-nut pair lifting mechanism.
Background technique
Leadscrew-nut mechanism is also known as screw-drive mechanism.It is mainly used to for rotary motion to be transformed to linear motion or will be straight
Line motion transform is rotary motion.Have to transmit (such as fly press, jack) based on energy；Also have with passing movement
Based on as platen feed screw；There are also the screw-drive mechanisms etc. of relative position between adjustment part.
Leadscrew-nut mechanism includes screw-nut pair lifting mechanism, and general screw-nut pair lifting mechanism disassembly is inconvenient,
Inconvenient service personnel overhauls screw-nut pair lifting mechanism.Need a kind of new technique scheme now to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of motor-driven screw-nut pair lifting mechanisms, have convenient disassembly, convenient
The advantages of service personnel overhauls it is inconvenient to solve general screw-nut pair lifting mechanism disassembly, it has not been convenient to service personnel's maintenance
The problem of screw-nut pair lifting mechanism.
To achieve the above object, the invention provides the following technical scheme: a kind of motor-driven screw-nut pair lifting mechanism,
Including driving motor, the shaft on the driving motor is connected by shaft coupling with drive bevel gear, the drive bevel gear
It is sequentially connected with driven wheel of differential, one end of main shaft, the other end of the main shaft is arranged in the driven wheel of differential
It is connected with the mandrel of driving gear, the driving gear passes through three connection gears being uniformly distributed on the outside and limiting tooth
Wheel rim transmission connection.
It is provided with screw rod at the axle center of the connection gear, inside spin line is offered on the screw rod, is covered on the screw rod
Equipped with feed screw nut, external spiral line corresponding with inside spin line, the screw rod are offered on the inner sidewall of the feed screw nut
The inside of nut offers interface channel, and the both ends of the interface channel are connected with the both ends of external spiral line respectively.
The feed screw nut includes left side nut and right side nut, and the left side nut passes through screw bolt and nut and right side spiral shell
Parent phase connects, and is provided with U-shaped chuck body on the outside of the feed screw nut, one end of the U-shaped chuck body is provided with spiral
Bar is provided with spiral through-hole corresponding with screw rod in the U-shaped chuck body, and one end of the screw rod is provided with hand
Handle, the other end of the screw rod, which is provided with, presses block.
Preferably, it is provided on the inner sidewall of the driving gear, three connection gears and limiting tooth wheel rim equidistant
The tooth connection of arrangement.
Preferably, between the inside spin line and external spiral line and inside of interface channel is provided with prill, and three
A one end of the screw rod far from connection gear is connected with rosette.
Preferably, bolt hole corresponding with bolt is provided on the lateral surface of the left side nut and right side nut.
Preferably, the bolt hole on the left side nut and right side nut is close to left side nut and right side nut lateral surface
One end offers groove respectively.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention is made by bolt, nut, U-shaped chuck body, screw rod, the mutual cooperation pressed between block and bolt hole
With, make the more convenient disassembly of service personnel, service personnel be more convenient for overhaul screw-nut pair lifting mechanism, be work
The work for making personnel provides a great convenience.
2, the present invention passes through driving motor, drive bevel gear, driven wheel of differential, main shaft, driving gear, tooth connection
Being used in conjunction with each other between wheel, limiting tooth wheel rim, screw rod, feed screw nut and rosette, greatly improves feed screw nut
The stability of secondary elevating mechanism substantially reduces the incidence of failure, and service life greatly prolongs.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is position limited gear coil structures top view of the present invention；
Fig. 3 is screw rod of the present invention and feed screw nut's cross-sectional view of the structure；
Fig. 4 is screw rod of the present invention and feed screw nut's structural schematic diagram；
Fig. 5 is screw rod of the present invention and feed screw nut's the structure left view；
Fig. 6 is screw rod of the present invention and feed screw nut's structure right view；
Fig. 7 is U-shaped folder lamps structure schematic diagram of the present invention.
In figure: 1 driving motor, 2 drive bevel gears, 3 driven wheel of differential, 4 main shafts, 5 driving gears, 6 connection gears,
7 limiting tooth wheel rims, 8 screw rods, 9 inside spin lines, 10 feed screw nuts, 11 external spiral lines, 12 interface channels, 13 left side nuts, 14 right sides
Block, 20 tooth connections, 21 prills, 22 are pressed in side nut, 15 bolts, 16 nuts, 17 U-shaped chuck bodies, 18 screw rods, 19
Rosette, 23 bolts hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7, a kind of motor-driven screw-nut pair lifting mechanism, including driving motor 1 are please referred to, on driving motor 1
Shaft be connected with drive bevel gear 2 by shaft coupling, drive bevel gear 2 and the transmission connection of driven wheel of differential 3, from mantle tooth
One end of main shaft 4 is arranged in wheel 3, and the other end of main shaft 4 is connected with the mandrel of driving gear 5, and driving gear 5 is logical
It crosses three connection gears being uniformly distributed on the outside 6 and limiting tooth wheel rim 7 is sequentially connected, 5, three connection gears of driving gear
6 and limiting tooth wheel rim 7 inner sidewall on be provided with the tooth connection 20 being spaced substantially equidistant, pass through driving motor 1 drive initiative taper
Gear 2 rotates, and recycles drive bevel gear 2 that driven wheel of differential 3 is driven to rotate, and driven wheel of differential 3 drives master by main shaft 4
Moving gear 5 rotates, and driving gear 5 drives connection gear 6 in the inner rotation of limiting tooth wheel rim 7 by tooth connection 20, to reach
The purpose rotated to the screw rod 8 being drivingly connected on gear 6.
It is provided with screw rod 8 at the axle center of connection gear 6, inside spin line 9 is offered on screw rod 8, is arranged with screw rod on screw rod 8
Nut 10 offers external spiral line 11 corresponding with inside spin line 9 on the inner sidewall of feed screw nut 10, and feed screw nut's 10 is interior
Portion offers interface channel 12, and the both ends of interface channel 12 are connected with the both ends of external spiral line 11 respectively, inside spin line 9 and outer
Between the spiral lamination 11 and inside of interface channel 12 is provided with prill 21, three one end of screw rod 8 far from connection gear 6
It is connected with rosette 22, screw rod 8 is rotated and is used in conjunction with each other with feed screw nut 10, is transformed to reaching rotary motion
The purpose of linear motion, inside spin line 9, external spiral line 11, interface channel 12 and prill 21 are used in conjunction with each other, in screw rod
When 8 rotation, the coefficient of friction between screw rod 8 and feed screw nut 10 can be effectively reduced, transmission efficiency greatly improves, and passes through driving electricity
Machine 1, drive bevel gear 2, driven wheel of differential 3, main shaft 4, driving gear 5, connection gear 6, limiting tooth wheel rim 7, screw rod 8,
Being used in conjunction with each other between feed screw nut 10 and rosette 22 greatly improves the stabilization of screw-nut pair lifting mechanism
Property, substantially reduce the incidence of failure, service life greatly prolongs.
Feed screw nut 10 includes left side nut 13 and right side nut 14, the bolt hole on left side nut 13 and right side nut 14
23 offer groove close to one end of 14 lateral surface of left side nut 13 and right side nut respectively, and left side nut 13 passes through bolt 15
It is connected with nut 16 with right side nut 14, is provided on the lateral surface of left side nut 13 and right side nut 14 and 15 phase of bolt
Corresponding bolt hole 23, the outside of feed screw nut 10 are provided with U-shaped chuck body 17, and one end of U-shaped chuck body 17 is provided with
Screw rod 18 is provided with spiral through-hole corresponding with screw rod 18 in U-shaped chuck body 17, and one end of screw rod 18 is provided with
Handle, the other end of screw rod 18, which is provided with, presses block 19, in use, left side nut 13 and right side nut 14 can be passed through spiral shell
Bolt 15 and nut 16 link together, then by U-shaped chuck body 17, screw rod 18 and press block 19 to the progress of feed screw nut 10
Secondary fastening keeps the connection between left side nut 13 and right side nut 14 even closer, can first will be U-shaped when needing to overhaul
Chuck body 17, screw rod 18 and press the disassembly of block 19, then bolt 15 and nut 16 is dismantled, by left side nut 13 and right side spiral shell
Mother 14 dismantles and is checked, greatly facilitates the work of service personnel, by bolt 15, nut 16, U-shaped chuck body 17,
Screw rod 18 presses being used in conjunction with each other between block 19 and bolt hole 23, makes the more convenient disassembly of service personnel, more convenient
Service personnel overhauls screw-nut pair lifting mechanism, provides a great convenience for the work of staff.
Working principle: it drives drive bevel gear 2 to rotate by driving motor 1, drive bevel gear 2 is recycled to drive from mantle
Gear 3 rotates, and driven wheel of differential 3 drives driving gear 5 to rotate by main shaft 4, and driving gear 5 is driven by tooth connection 20
Connection gear 6 limiting tooth wheel rim 7 inner rotation, thus achieve the purpose that be drivingly connected gear 6 on screw rod 8 rotate, silk
Bar 8 is rotated and is used in conjunction with each other with feed screw nut 10, to achieve the purpose that rotary motion is transformed to linear motion, inside spin line
9, external spiral line 11, interface channel 12 and prill 21 are used in conjunction with each other, and when screw rod 8 rotates, screw rod 8 can be effectively reduced
With the coefficient of friction between feed screw nut 10, transmission efficiency is greatly improved, in use, can be by left side nut 13 and right side nut
14 are linked together by bolt 15 and nut 16, then by U-shaped chuck body 17, screw rod 18 and press block 19 to screw rod spiral shell
Mother 10 carries out secondary fastening, keeps the connection between left side nut 13 and right side nut 14 even closer, can be with when needing to overhaul
First by U-shaped chuck body 17, screw rod 18 and press block 19 and dismantle, then bolt 15 and nut 16 are dismantled, by left side nut 13
It dismantles and is checked with right side nut 14, greatly facilitate the work of service personnel.
In summary: the motor-driven screw-nut pair lifting mechanism, by driving motor 1, drive bevel gear 2, driven
Bevel gear 3, main shaft 4, driving gear 5, connection gear 6, limiting tooth wheel rim 7, screw rod 8, feed screw nut 10 and rosette
Being used in conjunction with each other between 22 greatly improves the stability of screw-nut pair lifting mechanism, keeps the incidence of failure big
Big to reduce, service life greatly prolongs, and by bolt 15, nut 16, U-shaped chuck body 17, screw rod 18, presses block 19 and spiral shell
Being used in conjunction with each other between keyhole 23 makes the more convenient disassembly of service personnel, is more convenient for service personnel to feed screw nut
Secondary elevating mechanism is overhauled, and is provided a great convenience for the work of staff.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of motor-driven screw-nut pair lifting mechanism, including driving motor (1), it is characterised in that: the driving motor
(1) shaft on is connected by shaft coupling with drive bevel gear (2), and the drive bevel gear (2) and driven wheel of differential (3) pass
Dynamic connection, driven wheel of differential (3) setting is in one end of main shaft (4), the other end of the main shaft (4) and active
The mandrel of gear (5) is connected, and the driving gear (5) passes through three connection gears (6) being uniformly distributed on the outside and limit
Position gear ring (7) is sequentially connected；
It is provided with screw rod (8) at the axle center of the connection gear (6), is offered inside spin line (9) on the screw rod (8), it is described
It is arranged with feed screw nut (10), is offered on the inner sidewall of the feed screw nut (10) opposite with inside spin line (9) on screw rod (8)
The inside of the external spiral line (11) answered, the feed screw nut (10) offers interface channel (12), the interface channel (12)
Both ends are connected with the both ends of external spiral line (11) respectively；
The feed screw nut (10) includes left side nut (13) and right side nut (14), and the left side nut (13) passes through bolt
(15) it is connected with nut (16) with right side nut (14), is provided with U-shaped chuck body on the outside of the feed screw nut (10)
(17), one end of the U-shaped chuck body (17) is provided with screw rod (18), be provided on the U-shaped chuck body (17) with
The corresponding spiral through-hole of screw rod (18), one end of the screw rod (18) are provided with handle, the screw rod (18) it is another
One end, which is provided with, presses block (19).
2. a kind of motor-driven screw-nut pair lifting mechanism according to claim 1, it is characterised in that: the driving tooth
The tooth connection (20) being spaced substantially equidistant is provided on the inner sidewall of wheel (5), three connection gears (6) and limiting tooth wheel rim (7).
3. a kind of motor-driven screw-nut pair lifting mechanism according to claim 1, it is characterised in that: the inside spin
Between line (9) and external spiral line (11) and the inside of interface channel (12) is provided with prill (21), three screw rods
(8) one end far from connection gear (6) is connected with rosette (22).
4. a kind of motor-driven screw-nut pair lifting mechanism according to claim 1, it is characterised in that: the left side spiral shell
Bolt hole (23) corresponding with bolt (15) is provided on the lateral surface of female (13) and right side nut (14).
5. a kind of motor-driven screw-nut pair lifting mechanism according to claim 1, it is characterised in that: the left side spiral shell
Bolt hole (23) on female (13) and right side nut (14) is close to one end of left side nut (13) and right side nut (14) lateral surface
Groove is offered respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924659.XA CN109592604A (en) | 2017-10-01 | 2017-10-01 | A kind of motor-driven screw-nut pair lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924659.XA CN109592604A (en) | 2017-10-01 | 2017-10-01 | A kind of motor-driven screw-nut pair lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109592604A true CN109592604A (en) | 2019-04-09 |
Family
ID=65956878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710924659.XA Pending CN109592604A (en) | 2017-10-01 | 2017-10-01 | A kind of motor-driven screw-nut pair lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109592604A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801391A (en) * | 2019-12-16 | 2020-02-18 | 青岛大学附属医院 | Gynecological treatment equipment and method of use |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263765A (en) * | 1984-06-13 | 1985-12-27 | Hiroshi Teramachi | Transfer device using ball screw |
| JP2004263711A (en) * | 2003-01-21 | 2004-09-24 | Nsk Ltd | Actuator and braking device |
| CN201705875U (en) * | 2010-04-16 | 2011-01-12 | 上海札德家具有限公司 | Screw lifting device |
| CN203768887U (en) * | 2014-06-30 | 2014-08-13 | 中国石油大学(华东) | Ball screw drilling platform lifting mechanism |
| CN206422213U (en) * | 2017-01-22 | 2017-08-18 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted double lead-screw power antenna hoistable platform |
| CN108087518A (en) * | 2016-11-21 | 2018-05-29 | 镇江亚昆机械有限公司 | A kind of motor-driven screw-nut pair lifting mechanism |
-
2017
- 2017-10-01 CN CN201710924659.XA patent/CN109592604A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263765A (en) * | 1984-06-13 | 1985-12-27 | Hiroshi Teramachi | Transfer device using ball screw |
| JP2004263711A (en) * | 2003-01-21 | 2004-09-24 | Nsk Ltd | Actuator and braking device |
| CN201705875U (en) * | 2010-04-16 | 2011-01-12 | 上海札德家具有限公司 | Screw lifting device |
| CN203768887U (en) * | 2014-06-30 | 2014-08-13 | 中国石油大学(华东) | Ball screw drilling platform lifting mechanism |
| CN108087518A (en) * | 2016-11-21 | 2018-05-29 | 镇江亚昆机械有限公司 | A kind of motor-driven screw-nut pair lifting mechanism |
| CN206422213U (en) * | 2017-01-22 | 2017-08-18 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted double lead-screw power antenna hoistable platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801391A (en) * | 2019-12-16 | 2020-02-18 | 青岛大学附属医院 | Gynecological treatment equipment and method of use |
| CN110801391B (en) * | 2019-12-16 | 2021-11-05 | 青岛大学附属医院 | Gynecological Treatment Equipment |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190409 |