CN108679187B - Action device for chassis of compact shelf - Google Patents
Action device for chassis of compact shelf Download PDFInfo
- Publication number
- CN108679187B CN108679187B CN201810711041.XA CN201810711041A CN108679187B CN 108679187 B CN108679187 B CN 108679187B CN 201810711041 A CN201810711041 A CN 201810711041A CN 108679187 B CN108679187 B CN 108679187B
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- polygonal
- shaft
- driving shaft
- transmission
- inner hole
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- 230000009471 action Effects 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a movable device for an underframe of a compact shelf. Including setting up the drive mechanism on the chassis, drive mechanism includes main, driven shaft, the driving shaft includes the polygon driving shaft, the polygon driving shaft through its polygon hole bearing arrangement set up in on the chassis, the one end of polygon driving shaft is connected with polygon hole gear or sprocket device, the other end of polygon driving shaft is connected with corresponding driven shaft transmission through gear or sprocket device. The movable device of the compact shelf underframe has the advantages of reasonable structure, reasonable transmission mode, stable and reliable transmission operation, high transmission efficiency, good transmission effect, simple corresponding installation process and capability of avoiding unbalanced and inconsistent travelling speeds at two ends of the compact shelf.
Description
Technical Field
The invention relates to a movable device of a compact shelf bottom frame.
Background
The driving transmission mechanism of the bookshelf of the compact shelf takes the relative long axis which is close to the length of the bookshelf row of the compact shelf or longer than the distance between the travelling wheels at two ends of the bookshelf of the compact shelf as the main driving shaft for power transmission, on one hand, the structure and the transmission mode of the long main driving shaft have the problems of high processing difficulty, high processing precision, large processing axial deformation and large axial torsion deformation, and particularly, on the other hand, the mounting error and the mounting precision of the long main driving shaft are large, and as the long main driving shaft usually has more than two mounting fixed connection points, three or more than three mounting fixed connection points are difficult to ensure that each mounting fixed connection point is on the same axis, the mounting deformation of the long main driving shaft inevitably influences the straightness of the main driving shaft and the straightness of the driven shaft, and influences the mutual parallelism of driving and driven shafts, so as to influence the transmission efficiency, transmission performance and transmission effect, and the problems of mutual seizure or incomplete, unreliable and unstable meshing of the driving meshing gears or chain wheels of the main driving and driven shafts are easy to cause serious increase the power consumption, and influence the normal running of the compact shelf or the inconsistent travelling speeds of the opposite ends of the compact shelf.
In addition, the existing compact shelf bookshelf and the like always adopt a long driving shaft structure form and a transmission mode, wherein the cross section of the long driving shaft structure form and the transmission mode are round, the length of the long driving shaft structure form and the transmission mode reach the travelling wheels at the two opposite ends of the underframe, the power transmission of the driving shaft and the driven shaft is also of an existing round sprocket or meshed gear coupling transmission structure, the driving shaft and the driven shaft are fixedly arranged on the underframe through a traditional and customary round bearing device, the round shaft and the corresponding round bearing device and the round sprocket or the corresponding round gear are usually connected with each other through welding or/and fastening screws, the welding of the round shaft and the corresponding round bearing device and the round sprocket or the round gear is easy to generate the problems of cold joint, off-joint, welding deformation and the like, the reliability and stability of the transmission shaft and the connection are seriously affected, the problems of looseness, slipping, the existence of a connection gap and the like are more easily caused when the fastening piece is adopted for connection, and the transmission performance, the transmission efficiency and the reliability of the transmission shaft are also affected.
Disclosure of Invention
The invention aims to provide a movable device for a compact shelving underframe, aiming at the defects in the prior art. The movable device of the compact shelf underframe has the advantages of reasonable structure, reasonable transmission mode, stable and reliable transmission operation, high transmission efficiency and good transmission effect, and the corresponding installation process is simple, the installation process requirement is low, the installation precision is high, and the imbalance and the inconsistency of the advancing speeds at the two ends of the compact shelf are avoided.
The technical scheme of the movable device of the compact shelf underframe comprises a transmission mechanism arranged on an underframe, wherein the transmission mechanism comprises a driving shaft and a driven shaft, the driving shaft comprises a polygonal driving shaft, the polygonal driving shaft is arranged on the underframe through a polygonal inner hole bearing device of the polygonal driving shaft, one end of the polygonal driving shaft is connected with a polygonal inner hole gear or sprocket device, and the other end of the polygonal driving shaft is in transmission connection with a corresponding driven shaft through the gear or sprocket device.
The polygonal drive shaft includes a solid polygonal drive shaft.
The movable device of the compact shelf underframe changes the traditional long driving shaft structure form of the driving shaft length and the traveling wheels at the two opposite ends of the underframe, the driven shaft length and the traveling wheels at the two ends of the underframe are also changed, the transmission structure and the corresponding transmission mode are reasonable in structure, the corresponding matched transmission mode is reasonable, the torsion deformation of the driving shaft is small, the mutual transmission error between the driving shaft and the driven shaft is small, the meshing precision is high, the power transmission characteristic and the transmission performance and the efficiency are better, the load capacity is strong, the adaptability is strong, the two ends of the compact shelf can reach or approach balance when the compact shelf walks, the swing does not occur, the driving is easy and flexible, and the driving power can be saved. Meanwhile, the short driving shaft has simple installation process and high installation precision, the parallelism of the short driving shaft and the driven shaft is high, the processing process requirement of the short driving shaft is low, the transmission matching performance of the short driving shaft and the corresponding long driven shaft is relatively improved and enhanced, the problems of seizure, looseness and the like of a transmission gear or a chain wheel can be avoided, and the problems that the transmission cannot be carried out due to the increase of a deformation gap can be avoided.
Furthermore, the polygonal driving shaft of the movable device of the compact shelf chassis is matched with the power transmission connecting structure and the corresponding transmission connecting mode of the polygonal bearing device and the polygonal transmission chain wheel (gear) respectively, the power transmission connecting structure and the power transmission installation connecting process are simple, the reliability of the power transmission connection is high, the stability and the reliability of the power transmission connection can be fundamentally improved, and therefore the transmission efficiency and the transmission performance and the transmission effect of the movable device of the compact shelf chassis are improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a chassis mobile device for a compact shelving of the invention. Fig. 2 is a schematic diagram of a connection and matching structure of the polygonal short driving shaft and the polygonal inner hole bearing and the polygonal inner hole sprocket in fig. 1. Fig. 3 is a schematic structural diagram of an embodiment 3 of a movable apparatus for a compact shelving chassis of the invention. FIG. 4 is a schematic diagram showing the structure of an embodiment of a polygonal inner hole sprocket according to embodiment 3 of the present invention.
Detailed Description
In order to further understand the technical scheme of the present invention, the following embodiments are used to further describe the present invention with reference to the accompanying drawings.
The movable device of the compact shelf underframe comprises a transmission mechanism arranged on an underframe, wherein the transmission mechanism comprises a driving shaft and a driven shaft, and the driving shaft is arranged on the corresponding underframe through a polygonal inner hole bearing with a polygonal cross section shape, wherein the polygonal short or long driving shaft is provided with a polygonal cross section shape, and the polygonal inner hole bearing is provided with a polygonal cross section shape and matched with an inner hole; the polygonal short driving shaft can also be in transmission connection with a long or short driven shaft through a corresponding polygonal inner hole chain wheel or a meshing gear; meanwhile, the polygonal short or long driving shaft can be in transmission connection with the polygonal long or short driven shaft through a corresponding polygonal inner hole chain wheel or a meshing gear.
The movable rack can also be driven by the transmission structure of the round or polygonal short driving shaft and the round or polygonal long driven shaft and the corresponding transmission mode.
The cross section of the polygonal short driving shaft or polygonal short driving shaft and polygonal long driven shaft and the corresponding polygonal inner hole bearing, polygonal inner hole chain wheel and/or polygonal inner hole meshing gear is in a corresponding hexagonal, pentagonal or triangular shape.
As shown in fig. 1 and 2, the driving shaft is a short driving shaft in this example, and is a polygonal short driving shaft 2b, which performs the traveling driving of the bookshelf of the compact shelf in a transmission structure of the polygonal short driving shaft and the circular long driven shaft, that is, in a transmission manner of matching the polygonal short driving shaft with the circular long driven shaft.
The polygonal short driving shaft 2b is fixedly arranged at the corresponding end of the underframe (two long driven shafts) through bearing devices at the opposite ends of the polygonal short driving shaft, and is in transmission connection with the corresponding ends of the two long driven shafts at the two sides of the polygonal short driving shaft. The cross section of the polygonal short driving shaft 2b is hexagonal, one end of the hexagonal short driving shaft close to the outer side of the underframe is connected with a hexagonal inner hole driving sprocket 6b, and the other end of the hexagonal short driving shaft 2b is in transmission connection with one end of a corresponding circular long driven shaft 3a with a circular cross section on two opposite sides through a double-row type driving sprocket 7b with a corresponding hexagonal inner hole 71, a circular inner hole driving sprocket 7a on a circular long driven shaft and a corresponding chain.
One end of the hexagonal short driving shaft 2b connected with the hexagonal inner hole driving sprocket 6b is connected with the corresponding end part of the underframe through a hexagonal inner hole plane bearing, and one end of the hexagonal short driving shaft 2b connected with the double-row driving sprocket 7b is connected with the underframe through a hexagonal inner hole spherical center bearing.
The hexagonal short driving shaft is a solid hexagonal short driving shaft. The long driven shaft is a hollow or solid shaft with a circular cross section. The cross section of the inner ring mounting hole 51 of the hexagonal inner hole bearing 5b, which is connected with the corresponding hexagonal short driving shaft in a matching way, is in a corresponding hexagon shape.
The hexagonal inner hole bearing, the hexagonal inner hole driving sprocket and the hexagonal inner hole driving sprocket are in stop type auxiliary limiting connection with the hexagonal short driving shaft through screw holes on the axial convex edges of the hexagonal inner hole bearing, the hexagonal inner hole driving sprocket and the hexagonal inner hole driving sprocket respectively.
A plurality of self-correcting balance center shafts are connected between corresponding (such as opposite sides) driven shafts of the underframe or between corresponding driven shafts and between the driven shafts and the driving shaft through corresponding meshing gears or chain wheel devices.
The two circular long driven shafts 3a are respectively arranged on the opposite sides of the hexagonal short driving shaft 2b and are arranged on the opposite sides of the underframe through corresponding bearing devices. The travelling wheels 4 are respectively positioned at the two opposite ends of the underframe and correspondingly and fixedly connected with the two opposite ends of the two round long driven shafts 3 a. And a pressure dividing wheel 9 which is correspondingly connected with the corresponding track in a rolling way is respectively arranged between the travelling wheels at the two ends of the long driven shaft or in the middle of the driven shaft.
An adaptive adjustment correction center shaft 8 is respectively arranged between two round long driven shafts at the corresponding other end (the corresponding other end connected with the short driving shaft in a transmission way) of the underframe and between the middle parts of the two round long driven shafts, and the adaptive adjustment correction center shaft 8 is respectively connected with round long driven shafts 3a at the two sides in a transmission type self-correction balance way through corresponding round inner hole chain wheels 7a and chains thereof. The movable bookshelf can further improve the consistency of actions at the opposite ends of the movable bookshelf and the like in the walking process, and avoid unbalanced swinging of the bookshelf body.
The length of the long driven shaft is slightly shorter than the corresponding length of the underframe and longer than the distance between the travelling wheels at the opposite ends of the underframe. While the length of the hexagonal short driving shaft is about 1/5-1/10 of the corresponding length of the long driven shaft or the underframe. The length of the hexagonal short driving shaft is about the distance from the travelling wheel at the corresponding end of the underframe to the end of the corresponding end of the underframe, and the corresponding distance required (occupied) for mutual transmission installation connection of the corresponding ends of the short driving shaft and the long driven shaft through gears or chain wheels is added.
The hexagonal inner hole bearing, the hexagonal inner hole driving sprocket and the hexagonal inner hole driving sprocket are in stop type auxiliary limiting connection with the hexagonal short driving shaft through screw holes on the axial convex edges of the hexagonal inner hole bearing, the hexagonal inner hole driving sprocket and the hexagonal inner hole driving sprocket respectively.
In the embodiment 2 of the invention, the two long driven shafts and the self-adaptive adjustment and correction center shaft 8 are respectively a hexagonal long driven shaft and a hexagonal self-adaptive adjustment and correction center shaft, and the hexagonal long driven shaft and the hexagonal self-adaptive adjustment and correction center shaft are respectively connected with each other in a transmission way through corresponding hexagonal inner hole transmission chain wheels; meanwhile, the hexagonal long driven shaft and the hexagonal self-adaptive adjustment and correction center shaft are fixedly arranged on the underframe through corresponding hexagonal inner hole bearings respectively. The cross section of the installation inner hole, which is formed by the matching connection of the hexagonal inner hole driving chain wheel and the hexagonal long driven shaft, is in a corresponding hexagon shape. The hexagonal long driven shaft and the hexagonal self-adaptive adjustment correction center shaft can be hollow or solid. The hexagonal short driving shafts are fixedly arranged at the corresponding ends of the underframe (or the two long driven shafts) through hexagonal inner hole bearings at the opposite ends of the hexagonal short driving shafts. The remaining structure and corresponding drive connections of this example may be similar to any of the embodiments described above.
In example 3 of the present invention, as shown in fig. 3 and 4. Each inner angle of the polygonal or hexagonal inner hole driving chain wheel (comprising a multi-hexagonal inner hole driving chain wheel and a polygonal inner hole bearing) is provided with a concave part inwards towards the inner wall surface. The processing difficulty of the installation matching wall surfaces of the corresponding polygonal inner hole chain wheel, the inner hole wall surfaces of the polygonal inner hole bearing, the polygonal short driving shaft and the like can be effectively reduced, the processing precision requirement of the mutual contact matching wall surfaces of the inner hole side of the corresponding chain wheel and the wall surfaces of the corresponding side of the shaft can be reduced, the effective contact area of the shaft when the shaft is in mutual twisting fit with the corresponding chain wheel and the bearing is furthest increased, the local relative slipping phenomenon which can occur when only the corner contact is in mutual twisting fit is avoided, the maximum transmission efficiency is obtained, the mutual matching transmission performance is further improved and improved, and the service life of the device is prolonged.
The underframe is provided with a round or polygonal long driven shaft 3b positioned on one side of the polygonal short driving shaft 2b, the other side of the polygonal short driving shaft or the underframe is provided with a balance supporting shaft 13 corresponding to the round or polygonal long driven shaft 3b, and two ends of the balance supporting shaft 13 are respectively provided with corresponding supporting wheels 9 in rolling connection with corresponding tracks. The polygonal short driving shaft is arranged near only one polygonal or circular long driven shaft positioned at the corresponding side of the polygonal short driving shaft, and the polygonal short driving shaft and the polygonal or circular long driven shaft are in transmission connection with each other through a polygonal inner hole meshing gear 11. An adaptive adjustment and correction center shaft 8 is respectively arranged between the polygonal or circular long driven shaft and the opposite ends of the balance supporting shaft 13. The self-adaptive adjustment correction center shaft 8 is in transmission type self-correction balance connection with the balance supporting shaft through a corresponding chain wheel 7b and a chain thereof and polygonal or circular long driven shafts at two sides of the chain wheel. The corresponding transmission efficiency, reliability and stability are particularly high. The remaining structure and corresponding drive connections of this example may be similar to any of the embodiments described above.
In embodiment 4 of the present invention, only one polygonal or circular long driven shaft is provided with an adaptive adjustment and correction center shaft 8 at two opposite ends, and the adaptive adjustment and correction center shaft 8 is in transmission and self-correction balance connection with the one driven shaft through a corresponding sprocket or meshing gear. The transmission mechanism can simplify the structure of the whole transmission mechanism of the chassis and optimize the corresponding transmission performance while ensuring the transmission efficiency, effect and reliability. The remaining structure and corresponding drive connection of this example can be similar to that of example 4 described above.
In embodiment 5 of the present invention, the movable device of the chassis of the compact shelf only comprises a polygonal short driving shaft, a circular or polygonal long driven shaft positioned on one side of the polygonal short driving shaft, and a balance supporting shaft positioned on the other side of the polygonal short driving shaft or the chassis and corresponding to the circular or polygonal long driven shaft, wherein the balance supporting shaft 13 is independently arranged on the chassis through a corresponding bearing device, and the polygonal short driving shaft is in transmission connection with a corresponding gear on the circular or polygonal long driven shaft through a polygonal inner hole gear.
Claims (2)
1. The movable device of the chassis of the compact shelf comprises a transmission mechanism arranged on the chassis, wherein the transmission mechanism comprises a driving shaft and a driven shaft, and is characterized in that the driving shaft comprises a polygonal driving shaft, the polygonal driving shaft is arranged on the chassis through a polygonal inner hole bearing device of the polygonal driving shaft, one end of the polygonal driving shaft is connected with a polygonal inner hole gear or a sprocket device, and the other end of the polygonal driving shaft is in transmission connection with a corresponding driven shaft through the gear or the sprocket device;
the bottom frame is provided with a round or polygonal long driven shaft positioned at one side corresponding to the polygonal short driving shaft, the other side corresponding to the polygonal short driving shaft or the bottom frame is provided with a balance supporting shaft corresponding to the round or polygonal long driven shaft, the polygonal short driving shaft is arranged near the side of only one polygonal or round long driven shaft positioned at one side corresponding to the polygonal short driving shaft, and the polygonal short driving shaft and the one polygonal or round long driven shaft are in transmission connection through a polygonal inner hole meshing gear;
the two ends of the balance supporting shaft are respectively provided with corresponding supporting wheels which are correspondingly in rolling connection with corresponding tracks, and self-adaptive adjustment correcting center shafts are respectively arranged between the polygonal or circular long driven shafts and the opposite ends of the balance supporting shaft and are respectively in transmission type self-correction balanced connection with the balance supporting shaft through corresponding chain wheels and chains thereof and the polygonal or circular long driven shafts on the two sides of the self-adaptive adjustment correcting center shafts.
2. The compact shelving chassis moving apparatus of claim 1, wherein the polygonal drive shaft comprises a solid polygonal drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711041.XA CN108679187B (en) | 2018-07-03 | 2018-07-03 | Action device for chassis of compact shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711041.XA CN108679187B (en) | 2018-07-03 | 2018-07-03 | Action device for chassis of compact shelf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679187A CN108679187A (en) | 2018-10-19 |
| CN108679187B true CN108679187B (en) | 2024-03-05 |
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ID=63813068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810711041.XA Active CN108679187B (en) | 2018-07-03 | 2018-07-03 | Action device for chassis of compact shelf |
Country Status (1)
| Country | Link |
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| CN (1) | CN108679187B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419872B (en) * | 2019-08-28 | 2021-01-12 | 广州冠唯实业有限公司 | Transmission mechanism of compact shelf |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004242915A (en) * | 2003-02-14 | 2004-09-02 | Naito Shokai:Kk | Polygonal hole bearing of game machine |
| CN2859063Y (en) * | 2005-12-07 | 2007-01-17 | 无锡君帆科技有限公司 | Copper bearing of non-rotary pneumatic actuator plastic rubber end cap |
| CN201133564Y (en) * | 2007-11-27 | 2008-10-15 | 罗杰 | Bearing inner ring steel tube |
| CN201162807Y (en) * | 2008-03-19 | 2008-12-10 | 朱汉德 | Low noise compact shelving transmission mechanism |
| CN106763578A (en) * | 2016-12-21 | 2017-05-31 | 张国云 | A kind of compact shelving |
| CN206327524U (en) * | 2016-11-25 | 2017-07-14 | 张金星 | A kind of Universal joint drive and the bicycle comprising it |
| CN107035772A (en) * | 2017-06-13 | 2017-08-11 | 韩秋军 | A kind of polygonal hole anti skid bearing inner ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7298612B2 (en) * | 2005-10-25 | 2007-11-20 | Hewlett-Packard Development Company, L.P. | Server with vertical drive arrangement |
-
2018
- 2018-07-03 CN CN201810711041.XA patent/CN108679187B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004242915A (en) * | 2003-02-14 | 2004-09-02 | Naito Shokai:Kk | Polygonal hole bearing of game machine |
| CN2859063Y (en) * | 2005-12-07 | 2007-01-17 | 无锡君帆科技有限公司 | Copper bearing of non-rotary pneumatic actuator plastic rubber end cap |
| CN201133564Y (en) * | 2007-11-27 | 2008-10-15 | 罗杰 | Bearing inner ring steel tube |
| CN201162807Y (en) * | 2008-03-19 | 2008-12-10 | 朱汉德 | Low noise compact shelving transmission mechanism |
| CN206327524U (en) * | 2016-11-25 | 2017-07-14 | 张金星 | A kind of Universal joint drive and the bicycle comprising it |
| CN106763578A (en) * | 2016-12-21 | 2017-05-31 | 张国云 | A kind of compact shelving |
| CN107035772A (en) * | 2017-06-13 | 2017-08-11 | 韩秋军 | A kind of polygonal hole anti skid bearing inner ring |
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| Publication number | Publication date |
|---|---|
| CN108679187A (en) | 2018-10-19 |
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