CN113788428A - Synchronous driving mechanism for lifting platform - Google Patents
Synchronous driving mechanism for lifting platform Download PDFInfo
- Publication number
- CN113788428A CN113788428A CN202111161101.3A CN202111161101A CN113788428A CN 113788428 A CN113788428 A CN 113788428A CN 202111161101 A CN202111161101 A CN 202111161101A CN 113788428 A CN113788428 A CN 113788428A
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- Prior art keywords
- driving
- wheel
- transmission
- wheels
- synchronous
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009191 jumping Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
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- 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
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
- F16H7/023—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts with belts having a toothed contact surface or regularly spaced bosses or hollows for slipless or nearly slipless meshing with complementary profiled contact surface of a pulley
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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)
- Handcart (AREA)
Abstract
The invention discloses a synchronous driving mechanism for a lifting platform, wherein the lifting platform comprises a rack, a platform body and screws, the synchronous driving mechanism comprises a plurality of first driving wheels, a plurality of second driving wheels, a driving belt and a driving assembly, the first driving wheels and the second driving wheels are respectively sleeved on the screws in a one-to-one correspondence manner, the driving belt is in driving connection with the first driving wheels and the second driving wheels, and the driving assembly is used for driving the driving belt to move, wherein the first driving wheels are enclosed to form a polygon, and the second driving wheels are positioned in the polygon. According to the synchronous driving mechanism, through the transmission coordination of the first driving wheel, the second driving wheel and the driving assembly, the synchronous lifting of each part of the lifting platform can be effectively realized, and potential safety hazards are avoided; meanwhile, the second transmission wheel can change the transmission direction of the transmission belt between two adjacent first transmission wheels, the transmission angle between the transmission belt and the first transmission wheels is reduced, and the phenomena of looseness and tooth jumping between the transmission belt and the first transmission wheels are avoided.
Description
Technical Field
The invention relates to a synchronous driving mechanism for a lifting platform.
Background
The existing lifting platform is driven by the aid of mutually independent motor screws at all corners, so that the lifting synchronism of all end parts of the lifting platform is poor, gravity center deviation and even inclination of components borne by the lifting platform are caused seriously and even, and potential safety hazards are great.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a synchronous driving mechanism for a lifting platform.
In order to achieve the purpose, the invention adopts the technical scheme that:
a synchronous driving mechanism for a lifting platform comprises a frame, a platform body arranged on the frame in a lifting way, a plurality of screw rods which are respectively arranged on the frame in a rotatable way around the axial lead direction of the screw rods and are threaded in the platform body, the synchronous driving mechanism comprises a plurality of first driving wheels which are respectively sleeved on the plurality of screw rods in a one-to-one correspondence manner, a plurality of second driving wheels which are rotatably arranged on the rack around the vertical direction and are respectively and correspondingly positioned between two adjacent first driving wheels, a driving belt which is in transmission connection with the plurality of first driving wheels and the plurality of second driving wheels, and a driving component which is used for driving the driving belt to move, the first driving wheels are enclosed to form a polygon, and the second driving wheels are located inside the polygon.
Preferably, the first driving wheels are sleeved at the lower end parts of the screws, the second driving wheels and the first driving wheels are located in the same plane, and the plane is parallel to the plane where the platform body is located.
Further preferably, the transmission belt comprises two first belt bodies formed on two sides of the first transmission wheel and two second belt bodies formed on two sides of the second transmission wheel, and an included angle between the two first belt bodies is smaller than an included angle between the two second belt bodies.
Further preferably, the second transmission wheel is located on a perpendicular bisector of a connecting line between two adjacent first transmission wheels.
Still further preferably, at least one of the second transmission wheels is slidably disposed along an extending direction of the corresponding perpendicular bisector.
Still further preferably, the synchronous driving mechanism further includes an installation frame disposed on the rack along the extending direction of the perpendicular bisector, and a wheel seat slidably disposed on the installation frame along the extending direction of the installation frame, and the second driving wheel is rotatably disposed in the wheel seat.
Still further preferably, the synchronous driving mechanism further includes a first long hole provided on the mounting bracket and provided along an extending direction of the mounting bracket, a second long hole provided on the wheel seat side portion and aligned with the extending direction of the first long hole, and a bolt sequentially passing through the first long hole and the second long hole.
Preferably, the driving assembly includes a tension wheel, a driving wheel and a motor, the tension wheel and the driving wheel are respectively connected to the driving belt in a transmission manner, the motor is used for driving the driving wheel to rotate, the tension wheel and the driving wheel are respectively located at the inner side and the outer side of the polygon, and the rotation axes of the tension wheel and the driving wheel extend along the vertical direction.
Further preferably, the synchronous driving mechanism further comprises a mounting plate vertically arranged on the rack and used for mounting the motor, a through groove arranged at the lower part of the mounting plate, and the transmission belt penetrates through the through groove.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the synchronous driving mechanism, through the transmission coordination of the first driving wheel, the second driving wheel and the driving assembly, the synchronous lifting of each part of the lifting platform can be effectively realized, and potential safety hazards are avoided; meanwhile, the second transmission wheel can change the transmission direction of the transmission belt between two adjacent first transmission wheels, the transmission angle between the transmission belt and the first transmission wheels is reduced, and the phenomena of looseness and tooth jumping between the transmission belt and the first transmission wheels are avoided.
Drawings
FIG. 1 is a schematic diagram of a structure of a synchronous drive mechanism and a lifting platform in an embodiment of the present invention;
FIG. 2 is a schematic view of the direction A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a second transmission wheel mounted on a wheel seat in an embodiment of the present invention.
In the figure: 1. a first drive pulley; 2. a second transmission wheel; 3. a transmission belt; 3a, a first belt body; 3b, a second belt body; 4. a drive assembly; 4a, a tension wheel; 4b, a driving wheel; 4c, a motor; 5. a mounting frame; 6. a wheel seat; 7. a first long hole; 8. a second long hole; 9. mounting a plate;
30. a frame; 31. a platform body; 32. a screw.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The invention relates to improvement of a lifting platform, and particularly provides a synchronous driving mechanism for the lifting platform, which can effectively realize synchronous lifting of each part of the lifting platform through transmission matching of a first driving wheel 1, a second driving wheel 2 and a driving assembly 4, and avoids potential safety hazards; meanwhile, the second transmission wheel 2 can change the transmission direction of the transmission belt 3 between two adjacent first transmission wheels 1, the transmission angle between the transmission belt 3 and the first transmission wheels 1 is reduced, and the phenomena of looseness and tooth jumping between the transmission belt 3 and the first transmission wheels 1 are avoided.
Referring to fig. 1-3, a synchronous driving mechanism for a lifting platform, the lifting platform includes a frame 30, a platform body 31 disposed on the frame 30 and capable of lifting, four screws 32 rotatably disposed on the frame 30 around their axes respectively and threaded through the platform body 31, the synchronous driving mechanism includes four first driving wheels 1 respectively sleeved on the lower ends of the screws 32 in a one-to-one correspondence manner, four second driving wheels 2 rotatably disposed on the frame 30 around the vertical direction and respectively corresponding between two adjacent first driving wheels 1, a driving belt 3 in transmission connection with the four first driving wheels 1 and the four second driving wheels 2, and a driving assembly 4 for driving the driving belt 3 to move, wherein the four second driving wheels 2 and the four first driving wheels 1 are disposed in the same plane and the plane is parallel to the plane of the platform body 31, the four first driving wheels 1 are enclosed to form a rectangle, the four second driving wheels 2 are positioned in the rectangle, and the distance between two opposite second driving wheels 2 is smaller than the distance between two adjacent first driving wheels 1.
Thus, when the lifting platform is lifted, the driving assembly 4 drives the transmission belt 3 to move, and the transmission belt 3 drives the first transmission wheels 1 and the second transmission wheels 2 to synchronously rotate, so that synchronous rotation of the screw rods 32 is realized, and synchronous lifting of each corner of the lifting platform is finally realized; the second transmission wheel 2 can tension the transmission belt 3, so that the transmission angle between the first transmission wheel 1 and the transmission belt 3 is ensured, and the phenomena of looseness and tooth jumping are avoided.
In this example, as shown in fig. 2, the transmission belt 3 includes two first belt bodies 3a formed on two sides of the first transmission wheel 1 and two second belt bodies 3b formed on two sides of the second transmission wheel 2, and an included angle between the two first belt bodies 3a is smaller than an included angle between the two second belt bodies 3 b.
In the present embodiment, the second transmission wheel 2 is located on the perpendicular bisector of the connecting line between the two adjacent first transmission wheels 1. So, can enough guarantee the transmission angle between drive belt 3 and the first drive wheel 1, can guarantee the balance between two first drive wheels 1 of second drive wheel 2 both sides again, guarantee the stability that lift platform goes up and down.
Further, at least one second transmission wheel 2 is slidably arranged along the extension direction of the corresponding perpendicular bisector. In this example, the second transmission wheel 2, which is located on the opposite side of the drive assembly 4, is slidably arranged. So, can realize the adjustment to the transmission angle between drive belt 3 and the first drive wheel 1 through the slip of second drive wheel 2, can artificially adjust the tensioning when drive belt 3 is not hard up, guaranteed synchronous drive mechanism's drive effect.
As shown in fig. 2-3, the synchronous driving mechanism further includes a mounting bracket 5 disposed on the frame 30 along the extending direction of the perpendicular bisector, a wheel seat 6 slidably disposed on the mounting bracket 5 along the extending direction of the mounting bracket 5, a first long hole 7 disposed on the mounting bracket 5 and disposed along the extending direction of the mounting bracket 5, a second long hole 8 disposed on the side of the wheel seat 6 and aligned with the extending direction of the first long hole 7, and a bolt (not shown in the figure) sequentially passing through the first long hole 7 and the second long hole 8, and the second driving wheel 2 is rotatably disposed in the wheel seat 6. The first long hole 7, the second long hole 8 and the bolt are matched, so that the wheel seat 6 can slide.
In this embodiment, the driving assembly 4 includes a tension pulley 4a and a driving wheel 4b respectively connected to the driving belt 3 in a transmission manner, and a motor 4c for driving the driving wheel 4b to rotate, the tension pulley 4a and the driving wheel 4b are respectively located at the inner side and the outer side of the polygon, and the rotation axes of the tension pulley 4a and the driving wheel 4b respectively extend along the vertical direction. Through the setting of take-up pulley 4a, guaranteed the drive effect of motor 4c to first drive wheel 1 and second drive wheel 2.
Further, the synchronous driving mechanism further includes a mounting plate 9 vertically disposed on the frame 30 for mounting the motor 4c, and a through groove (not shown in the figure) disposed at a lower portion of the mounting plate 9, and the transmission belt 3 is inserted into the through groove.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a synchronous drive mechanism for lift platform, lift platform includes locating of frame, liftable platform body in the frame, many rotatable locating of its own axial lead direction respectively in the frame and the screw thread wears to locate screw rod in the platform body, its characterized in that: synchronous actuating mechanism includes a plurality of covers of one-to-one respectively and locates many screws on first drive wheel, a plurality of rotatable locating round vertical direction in the frame and respectively correspond be located adjacent two first drive wheel between second drive wheel, with a plurality of first drive wheels with a plurality of second drive wheels mutually drive the drive belt of connecting, be used for the drive assembly of drive belt motion, wherein, a plurality of first drive wheel enclose and close and form a polygon, a plurality of second drive wheels be located polygonal inside.
2. A synchronous drive mechanism for a lifting platform according to claim 1, wherein: the first driving wheels are sleeved at the lower end parts of the screws, the plurality of second driving wheels and the plurality of first driving wheels are positioned in the same plane, and the plane is parallel to the plane where the platform body is positioned.
3. A synchronous drive mechanism for a lifting platform according to claim 2, wherein: the transmission belt comprises two sections of first belt bodies formed on two sides of the first transmission wheel and two sections of second belt bodies formed on two sides of the second transmission wheel, and an included angle between the two sections of first belt bodies is smaller than that between the two sections of second belt bodies.
4. A synchronous drive mechanism for a lifting platform according to claim 2, wherein: the second driving wheels are positioned on a perpendicular bisector of a connecting line between two adjacent first driving wheels.
5. A synchronous drive mechanism for a lifting platform according to claim 4, wherein: at least one second driving wheel is arranged in a slidable mode along the extending direction of the corresponding perpendicular bisector.
6. A synchronous drive mechanism for a lifting platform according to claim 5, wherein: synchronous actuating mechanism still includes along the extending direction of perpendicular bisector is located mounting bracket in the frame, along the extending direction slidable of mounting bracket locates wheel seat on the mounting bracket, rotatable the locating of second drive wheel in the wheel seat.
7. A synchronous drive mechanism for a lifting platform according to claim 6, wherein: the synchronous driving mechanism further comprises a first long hole arranged on the mounting frame and along the extending direction of the mounting frame, a second long hole arranged on the side portion of the wheel seat and consistent with the extending direction of the first long hole, and a bolt sequentially penetrating through the first long hole and the second long hole.
8. A synchronous drive mechanism for a lifting platform according to claim 1, wherein: the driving assembly comprises a tension wheel, a driving wheel and a motor, wherein the tension wheel and the driving wheel are respectively connected to the driving belt in a transmission mode, the motor is used for driving the driving wheel to rotate, the tension wheel and the driving wheel are respectively located on the inner side and the outer side of the polygon, and the rotating axes of the tension wheel and the driving wheel extend along the vertical direction.
9. A synchronous drive mechanism for a lifting platform according to claim 8, wherein: the synchronous driving mechanism further comprises a mounting plate which is vertically arranged on the rack and used for mounting the motor, a through groove which is arranged at the lower part of the mounting plate, and the transmission belt penetrates through the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161101.3A CN113788428A (en) | 2021-09-30 | 2021-09-30 | Synchronous driving mechanism for lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161101.3A CN113788428A (en) | 2021-09-30 | 2021-09-30 | Synchronous driving mechanism for lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113788428A true CN113788428A (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111161101.3A Pending CN113788428A (en) | 2021-09-30 | 2021-09-30 | Synchronous driving mechanism for lifting platform |
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| Country | Link |
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| CN (1) | CN113788428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824018A (en) * | 2021-09-30 | 2021-12-21 | 国网江苏省电力有限公司苏州供电分公司 | Lifting type transformer substation stable in operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651195U (en) * | 2010-04-22 | 2010-11-24 | 张岳恩 | Carrier transmission mechanism |
| CN107200285A (en) * | 2017-07-08 | 2017-09-26 | 武汉道森传动科技有限公司 | Hoistable platform actuating unit |
| CN209113417U (en) * | 2018-08-02 | 2019-07-16 | 浙江大华技术股份有限公司 | A kind of apparatus for automatically lifting and haulage equipment |
| CN210457307U (en) * | 2019-07-03 | 2020-05-05 | 浙江迈睿机器人有限公司 | Jacking mechanism based on belt transmission |
| CN111762719A (en) * | 2020-07-23 | 2020-10-13 | 张海华 | Lifting platform and driving method thereof |
| CN214003923U (en) * | 2020-12-23 | 2021-08-20 | 上海丰太精密机械制造有限公司 | Four-upright-column lead screw synchronous lifting mechanism |
| CN216190684U (en) * | 2021-09-30 | 2022-04-05 | 国网江苏省电力有限公司苏州供电分公司 | Synchronous driving mechanism for lifting platform |
-
2021
- 2021-09-30 CN CN202111161101.3A patent/CN113788428A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651195U (en) * | 2010-04-22 | 2010-11-24 | 张岳恩 | Carrier transmission mechanism |
| CN107200285A (en) * | 2017-07-08 | 2017-09-26 | 武汉道森传动科技有限公司 | Hoistable platform actuating unit |
| CN209113417U (en) * | 2018-08-02 | 2019-07-16 | 浙江大华技术股份有限公司 | A kind of apparatus for automatically lifting and haulage equipment |
| CN210457307U (en) * | 2019-07-03 | 2020-05-05 | 浙江迈睿机器人有限公司 | Jacking mechanism based on belt transmission |
| CN111762719A (en) * | 2020-07-23 | 2020-10-13 | 张海华 | Lifting platform and driving method thereof |
| CN214003923U (en) * | 2020-12-23 | 2021-08-20 | 上海丰太精密机械制造有限公司 | Four-upright-column lead screw synchronous lifting mechanism |
| CN216190684U (en) * | 2021-09-30 | 2022-04-05 | 国网江苏省电力有限公司苏州供电分公司 | Synchronous driving mechanism for lifting platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824018A (en) * | 2021-09-30 | 2021-12-21 | 国网江苏省电力有限公司苏州供电分公司 | Lifting type transformer substation stable in operation |
| CN113824018B (en) * | 2021-09-30 | 2024-06-11 | 国网江苏省电力有限公司苏州供电分公司 | Lifting type transformer substation stable in operation |
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