CN107826615B - Goods rack driving device of conveying system - Google Patents
Goods rack driving device of conveying system Download PDFInfo
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- CN107826615B CN107826615B CN201711068688.7A CN201711068688A CN107826615B CN 107826615 B CN107826615 B CN 107826615B CN 201711068688 A CN201711068688 A CN 201711068688A CN 107826615 B CN107826615 B CN 107826615B
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- 238000011144 upstream manufacturing Methods 0.000 claims description 37
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000531116 Blitum bonus-henricus Species 0.000 description 1
- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chain Conveyers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a goods hanger driving device of a conveying system, which is used for pushing and walking goods hangers on the conveying system. The structure comprises a girder and a driving chain, wherein the girder is provided with a guide rail, the driving chain is vertically provided with a plurality of separated push rods, and the push rods are used for pushing a goods hanging rack to advance on the guide rail; the guide rail is of an integral structure and is connected with each section of main beam. Adopt the drive mode of sectional type to the goods stores pylon, can alleviate the goods stores pylon to the effect pressure of single drive chain, the curved form trend setting of the adaptation girder of being convenient for on the one hand, on the other hand also makes drive chain's job stabilization nature good.
Description
Technical Field
The present invention relates to a conveying system, and more particularly to a driving device for driving a goods rack to travel on a guide rail on a conveying system.
Background
Due to the complexity of the types of goods, in order to save labor, the goods transportation in modern storage or supermarkets generally needs to be applied to a logistics conveying system to realize the remote conveying and classification of the goods. In order to facilitate the barrier-free transportation of goods, the goods need to be transported overhead. The main structure of the conveying system generally comprises a main beam, and a plurality of movable pushing mechanisms are arranged on the main beam by depending on the main beam to realize the movement of the goods hanging rack along the trend of the main beam. The pushing mechanism is typically a drive chain that overlaps spaced sprockets and has push rods secured to it, the push rods being positioned perpendicular to the drive chain. The main beam is provided with a guide rail along the main dyeing direction, the hook on the goods hanger is hooked on the guide rail, the push rod extends to the guide rail, and the push rod is used for pushing the hook, so that the goods hanger can move on the guide rail under the pushing of the push rod. Because the length of girder is generally longer, and the girder adopts non-linear type to arrange moreover, if set up a drive chain along the trend of girder, then need set up a plurality of supporting wheels in drive chain's middle part position department to the curve trend of adaptation girder. In addition, if a whole drive chain is adopted, the reaction force of all goods hangers on the guide rail to the push rod is acted on the whole drive chain, the requirement on the strength of the drive chain is high, the drive chain is easy to be seriously stretched or even broken due to high-load work, and therefore the working stability of the conveying system is poor.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the utility model provides a conveying system goods stores pylon drive arrangement, this drive arrangement's job stabilization nature is good, is convenient for drive goods stores pylon and stably marchs on the guide rail.
In order to solve the technical problem, the technical scheme of the invention is as follows: a goods hanging rack driving device of a conveying system comprises a main beam and a driving chain, wherein a guide rail is arranged on the main beam, a plurality of separated push rods are vertically arranged on the driving chain and used for pushing a goods hanging rack to move on the guide rail, and the goods hanging rack driving device is characterized in that the main beam is arranged in a sectional mode, the end parts of two adjacent sections of main beams are arranged at intervals, two ends of each section of main beam are respectively and rotatably provided with a chain wheel, a driving motor is arranged on one section of main beam and is in transmission connection with the chain wheel, and a closed driving chain is lapped on two chain wheels on one section of main beam; the guide rail is of an integral structure and is connected with each section of main beam.
The driving device adopts a sectional driving mode for the goods hanging rack, each section of driving section works independently, and the transition of the goods hanging rack can be realized through the structural arrangement of the end parts of the driving sections; the inertia of the speed of travel of the cargo hanger may also be used to effect transitional engagement between adjacent drive sections of the cargo hanger, which requires relatively small spacing between adjacent drive sections.
Furthermore, in the traveling direction of the goods hanging rack, each section of main beam and accessories on the main beam form an upstream driving section and a downstream driving section, the close ends of the adjacent upstream driving section and the downstream driving section are both tilted upwards, and the guide rail penetrates through the interval between the upstream driving section and the downstream driving section; the guide rail is arranged in a curved shape at the end part position close to the upstream driving section and the downstream driving section so as to adapt to upwarping of the guide rail, so that a lifting section and a lower sliding section are formed on the guide rail, a push rod on a driving chain in the upstream driving section extends into the tail end position of the lifting section, the starting end of the lower sliding section is connected with the tail end of the lifting section, the connecting position of the two sections is a high point, and the high point is positioned in the interval between the upstream driving section and the downstream driving section.
The upstream and downstream are in terms of the direction of travel of the product rack in the use position of the conveyor system, in which the product rack travels on the guide rail from the upstream drive section in the direction of the downstream drive section. The high point is the highest position of the lifting section and the lower sliding section in the vertical direction. The upwarp means that in the installation state, the close end parts of the upstream driving section and the downstream driving section are lifted upwards. When the lifting section of the goods hanger on the guide rail travels, the goods hanger is lifted highly, and when the goods hanger travels on the lower sliding section on the guide rail, the goods hanger descends highly and finally descends to the horizontal part of the guide rail. Through the upstream drive section and the downstream drive section that set up corresponding structure, the interval between two adjacent drive sections can be comparatively smoothly crossed to the goods stores pylon, and the stability of marcing of goods stores pylon on the guide rail can be guaranteed.
Further, the sprocket on the upstream drive section adjacent to the downstream drive section and the downstream drive section are on the same side of the high point on the track. The corresponding end part of the upstream driving section is deviated to one side of the downstream driving section beyond the high point, so that the goods hanging rack is pushed to the high point by the push rod on the upstream driving section conveniently, and the goods hanging rack naturally slides to the lower sliding section beyond the high point conveniently.
Further, the push rod on the chain in the downstream driving section extends between the starting end and the tail end of the lower sliding section. This makes the goods stores pylon slip in-process at the lower sliding segment, and the push rod on the drive section of being convenient for low reaches promotes the couple on the goods stores pylon for the goods stores pylon goes forward steadily on the lower sliding segment.
Further, the guide rail lifting section is parallel to a main beam at the inner end of the upstream driving section, and the lower sliding section is obliquely arranged. This makes the guide rail lifting section can be adapted to with the girder trend in the upper reaches drive section, and the push rod on the upper reaches drive section of being convenient for promotes the goods stores pylon steadily.
Furthermore, a mounting seat is fixed at one end of one section of the main beam, the driving motor is connected to the mounting seat, and a tensioning device used for tensioning the driving chain is arranged on the mounting seat. Through setting up the mount pad and setting up overspeed device tensioner on the mount pad, the convenient setting to driving motor is convenient for make drive chain be in on the operating condition of suitable tensioning.
Furthermore, the tensioning device structurally comprises a tensioning wheel, a driving chain is lapped on the tensioning wheel, a sliding plate is arranged on the back face of the mounting seat, a wheel shaft of the tensioning wheel penetrates through a long hole in the mounting seat to be connected and fixed on the sliding plate, a guide rod connected with the sliding plate is inserted into a limiting plate fixed on the mounting seat in a clearance mode, two ends of a spring sleeved on the guide rod respectively act on the guide rod and the limiting plate, and the spring enables the tensioning wheel to move towards the direction of tensioning the driving chain through the guide rod. The tensioning device is simple in structure and convenient to move to the position of the tensioning wheel. Under the effect of spring, the take-up pulley can keep the tensioning to drive chain, and the position of take-up pulley itself has certain elastic change, can adapt to the tensioning requirement to drive chain well, is convenient for drive chain's job stabilization.
Furthermore, the guide rod is in threaded connection with an adjusting nut, and one end of the spring is pressed against the adjusting nut. Through the arrangement of the adjusting nut, the pre-elasticity of the spring can be adjusted, and the tension of the tension wheel on the drive chain can be effectively ensured to be basically constant.
Furthermore, a pair of limiting strips is arranged on the installation seat on two opposite sides of the tensioning wheel respectively, an arc-shaped limiting channel is formed between the two limiting strips in the pair, and the two limiting channels are distributed on two opposite sides of the tensioning wheel in a splayed shape. Through the spacing strip that sets up in pairs, can adapt to the setting of take-up pulley well, be convenient for to the tensioning of drive chain.
Compared with the prior art, the invention has the following beneficial effects: the goods hanging rack driving device adopts a sectional type structure to drive the goods hanging rack to move on the guide rail, and the conveying system is provided with a closed driving chain corresponding to each section of main beam, so that the driving chain can be well adapted to the arrangement trend of the main beam, and the goods hanging rack on the guide rail can be conveniently and stably pushed; on the other hand, the reaction force of the goods hanging rack on the guide rail to the driving chains is not concentrated on one integral driving chain but is distributed on a plurality of driving chains, the driving chains cannot be seriously stretched due to large stress, and the phenomenon of breakage cannot occur even, so that the working stability of the conveying system can be well ensured.
Drawings
FIG. 1 is a top plan view of adjacent upstream and downstream drive sections of the present cargo rack drive arrangement as they are arranged together.
Fig. 2 is a perspective view of adjacent upstream and downstream drive sections of the present cargo rack drive arrangement as they are arranged together.
Fig. 3 is a front view of the present cargo rack drive arrangement with adjacent upstream and downstream drive sections arranged together.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged plan view of the tensioner according to an embodiment.
FIG. 6 is an enlarged bottom view of one embodiment of the tensioner assembly.
Fig. 7 is an enlarged structural view of another embodiment of the tensioner.
Detailed Description
In the figure, the goods rack driving device of the conveying system is used for driving goods racks to travel on the guide rails 5, and the structure comprises a main beam 6 and a driving chain 9. The girder 6 is aluminum alloy integrated into one piece spare, is equipped with rectangular form guide rail 5 on the girder 6, is provided with a plurality of spaced push rods 7 on the drive chain 9 perpendicularly, and push rod 7 is used for promoting the goods stores pylon and marchs on guide rail 5.
In order to reduce the reaction force of the goods hanging rack on the single driving chain 9, the main beams 6 are arranged in a sectional mode, and the end parts of two adjacent sections of the main beams 6 are arranged at intervals. Correspondingly, each section of main beam 6 is provided with a set of chain type driving mechanism, specifically, two ends of each section of main beam 6 are respectively rotatably provided with a chain wheel, a pair of chain wheels corresponds to a driving motor 2, the driving motor 2 is arranged at the end part of the main beam 6, the driving motor 2 is in transmission connection with one chain wheel, and two chain wheels on one section of main beam 6 are lapped with a closed driving chain 9. The guide rail 5 is flat and long, and the guide rail 5 is vertically arranged on the upper side of the main beam 6. The guide rail 5 is generally of an integral structure, the guide rail 5 is arranged according to the trend of the main beam 6, and each section of the main beam 6 is connected together by the guide rail 5. The goods stores pylon is in the direction of travel of guide rail 5, and two sets of adjacent chain drive mechanism are upper reaches drive section 1 and low reaches drive section 3 respectively, and the goods stores pylon advances to low reaches drive section 3 on guide rail 5 from upper reaches drive section 1.
The adjacent ends of the upstream driving section 1 and the downstream driving section 3 are both tilted upwards, and the guide rail 5 passes through the interval between the upstream driving section 1 and the downstream driving section 3. The guide rail 5 is arranged in a curved shape at the position of the end part where the upstream driving section 1 and the downstream driving section 3 are close to each other to adapt to the upwarping of the guide rail, that is, when the goods rack travels to the end part where the upstream driving section 1 and the downstream driving section 3 are close to each other, the push rod 7 on the driving chain 9 can drive the hook on the goods rack, so that the goods rack can smoothly pass through the interval between the upstream driving section 1 and the downstream driving section 3 on the guide rail 5. This results in the formation of a lifting section 11 and a lower sliding section 31 on the guide rail 5, the lifting section 11 being at a corresponding location on the upstream drive section 1 and the lower sliding section 31 being at a corresponding location on the downstream drive section 3. The push rod 7 on the drive chain 9 in the upstream drive section 1 extends to the end of the lift section 11, and the push rod 7 on the upstream drive section 1 is capable of pushing the goods rack to the end of the lift section 11, i.e. to the high point 8 position described below. The start end of the lower slide segment 31 is connected to the end of the lifting segment 11 at a high point 8, the high point 8 being located in the space between the upstream drive segment 1 and the downstream drive segment 3. The starting end and the end are also in accordance with the direction of travel of the goods hanger, in a functional section the goods hanger advancing from the starting end to the end.
The sprocket on the upstream drive section 1 near the downstream drive section 3 is on the same side of the guide rail 5 as the downstream drive section 3 at the high point 8, and the push rod 7 on the drive chain 9 in the downstream drive section 3 extends between the beginning and the end of the lower slide section 31.
The lifting section 11 of the guide rail 5 is parallel to the main beam 6 at the inner end of the upstream driving section 1, and the lower sliding section 31 is obliquely arranged. When the goods rack is pushed to the end position of the lifting section 11 by the push rod 7 on the upstream driving section 1, that is, the position of the high point 8, the goods rack slides down along the lower sliding section 31 under the inertia effect of gravity and speed applied to the goods rack.
One end of a section of main beam 6 is fixed with a plate-shaped mounting seat 4, and the driving motor 2 is connected and fixed on the mounting seat 4. A tensioning device is movably arranged on the mounting base 4, on which the drive chain 9 is bridged, and which is used to tension the drive chain 9 such that the drive chain 9 is in a moderately tensioned state.
Referring to fig. 5 and 6, the structure of the tensioning device comprises a tensioning wheel 20, and the driving chain 9 is lapped on the tensioning wheel 20. A pair of limiting rods 17 is fixed on the back of the mounting seat 4, and the sliding plate 16 is inserted in a sliding groove formed between the limiting rods 17. The axle 10 of the tension wheel 20 is fixedly connected to the sliding plate 16 through a long hole 21 of the mounting seat 4, and the axle 10 slides in the long hole 21 along with the sliding plate 16. A limit plate 13 is vertically fixed on the back of the mounting seat 4, and the guide rod 12 connected with the sliding plate 16 is inserted into a jack processed on the limit plate 13 with clearance. The two ends of the spring 14 sleeved on the guide rod 12 respectively act on the guide rod 12 and the limit plate 13, and the spring 14 urges the tension pulley 20 to move towards the direction for tensioning the driving chain 9 through the guide rod 12.
An adjusting nut 18 is connected to the guide rod 12 in a threaded manner, one end of the spring 14 is pressed against the adjusting nut 18, and the other end of the spring is pressed against the limiting plate 13. The operator can adjust the preload of the spring 14 by pulling the adjusting nut 18 with a wrench from the back side of the mounting seat 4, and the elastic force of the spring 14 directly reflects the tension of the tensioning wheel 20 on the driving chain 9. The operator can adjust the adjusting nut 18 according to the tension of the drive chain 9. A clamping nut 15 is further screwed to the outer side of the adjusting nut 18 on the guide bar 12, and after the adjusting nut 18 is adjusted, the clamping nut 15 is adjusted and clamped so that the clamping nut 15 is tightly attached to the adjusting nut 18, and the adjusting position of the adjusting nut 18 on the guide bar 12 is in a stable state. Of course, the adjusting nut 18 may be screwed on the other side of the limiting plate 13 on the limiting rod 17, and the relative position relationship between the guide rod 12 and the limiting plate 13 is changed by rotating the adjusting nut 18, so that the tensioning wheel 20 performs pull-type tensioning on the driving chain 9. A spring 14 may be provided between the adjusting nut 18 and the stopper plate 13 to achieve flexible tensioning of the drive chain 9 by the tensioning wheel 20.
In order to adapt to the arrangement of the tensioning wheel 20 on the mounting seat 4, a pair of limiting strips 22 are respectively arranged on the mounting seat 4 on two opposite sides of the tensioning wheel 20, an arc-shaped limiting channel 19 is formed between the two limiting strips 22 in the pair, the two limiting channels 19 are distributed on two opposite sides of the tensioning wheel 20 in a splayed shape, and the driving chains 9 on two sides of the tensioning wheel 20 respectively penetrate through the two limiting channels 19 and can slide in the limiting channels 19.
Claims (6)
1. A goods hanging rack driving device of a conveying system is used for goods transportation in storage or supermarkets and comprises a main beam and a driving chain, wherein the main beam is provided with a guide rail, the driving chain is vertically provided with a plurality of separated push rods, and the push rods are used for pushing a goods hanging rack to move on the guide rail; the guide rail is of an integral structure and is connected with each section of main beam;
in the traveling direction of the goods hanging rack, each section of main beam and accessories on the main beam form an upstream driving section and a downstream driving section, the close ends of the adjacent upstream driving section and the downstream driving section are both upturned, and the guide rail penetrates through the interval between the upstream driving section and the downstream driving section; the guide rail is arranged in a curved shape at the end part position close to the upstream driving section and the downstream driving section so as to adapt to the upwarping of the guide rail, so that a lifting section and a lower sliding section are formed on the guide rail, a push rod on a driving chain in the upstream driving section extends into the tail end position of the lifting section, the starting end of the lower sliding section is connected with the tail end of the lifting section, the connecting position of the two is a high point, and the high point is positioned in the interval between the upstream driving section and the downstream driving section;
the chain wheel on the upstream driving section, which is close to the downstream driving section, and the downstream driving section are positioned on the same side of the high point on the guide rail; the push rod on the chain in the downstream driving section extends between the starting end and the tail end of the lower sliding section.
2. The cargo hanger drive of claim 1 wherein the rail lift section is parallel to the main rail at the respective end of the upstream drive section and the lower slide section is inclined.
3. A drive for a cargo hanger according to claim 1 or claim 2 wherein a mounting base is secured to one end of a length of the main beam, the drive motor being coupled to the mounting base, and a tensioning means is provided on the mounting base for tensioning the drive chain.
4. The drive for a cargo hanger according to claim 3 wherein the tensioning device comprises a tensioning wheel, the drive chain is engaged with the tensioning wheel, the mounting base is provided with a sliding plate on the back surface thereof, the axle of the tensioning wheel is fixed to the sliding plate through the slot of the mounting base, the guide rod connected to the sliding plate is inserted into the retaining plate fixed to the mounting base with a gap, the two ends of the spring engaged with the guide rod respectively act on the guide rod and the retaining plate, and the spring urges the tensioning wheel to move in the direction of tensioning the drive chain through the guide rod.
5. The cargo hanger drive of claim 4 wherein the guide bar is threadably connected to an adjustment nut, and wherein one end of the spring bears against the adjustment nut.
6. The cargo hanger drive of claim 4, wherein a pair of retaining strips are provided on the mounting base on opposite sides of the tensioning wheel, respectively, and an arcuate retaining channel is formed between two of the retaining strips, the two retaining channels being distributed in a "chevron" configuration on opposite sides of the tensioning wheel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068688.7A CN107826615B (en) | 2017-11-03 | 2017-11-03 | Goods rack driving device of conveying system |
| PCT/CN2018/109790 WO2019085717A1 (en) | 2017-11-03 | 2018-10-11 | Goods overhead load carrier driving device for conveyor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068688.7A CN107826615B (en) | 2017-11-03 | 2017-11-03 | Goods rack driving device of conveying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107826615A CN107826615A (en) | 2018-03-23 |
| CN107826615B true CN107826615B (en) | 2021-03-23 |
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ID=61650598
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711068688.7A Active CN107826615B (en) | 2017-11-03 | 2017-11-03 | Goods rack driving device of conveying system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107826615B (en) |
| WO (1) | WO2019085717A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826615B (en) * | 2017-11-03 | 2021-03-23 | 浙江衣拿智能科技股份有限公司 | Goods rack driving device of conveying system |
| CN109533789B (en) * | 2018-10-22 | 2020-10-27 | 苏州悠扬智能科技有限公司 | Hang letter sorting equipment |
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| CN201135158Y (en) * | 2008-01-03 | 2008-10-22 | 陈桂宽 | Simple ready-made clothes hanging system clothes-pin transmission facilities |
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| DE19957852A1 (en) * | 1999-12-01 | 2001-06-07 | Pavel Gmbh Logistiksysteme Fue | Suspended feeder with trolley emptying device for coat hangers, has rollers on trolley arranged next to one another in feed direction with hook extending at least over one trolley length |
| CN202729145U (en) * | 2011-11-09 | 2013-02-13 | Mps肉类加工机械（北京）有限公司 | A conveyor line |
| CN203410984U (en) * | 2013-08-21 | 2014-01-29 | 台州飞跃双星成衣机械有限公司 | Obstacle passing station of tailoring system |
| DE102014203239A1 (en) * | 2014-02-24 | 2015-08-27 | Dürkopp Fördertechnik GmbH | Transport system and method for transporting hanging articles |
| CN107826615B (en) * | 2017-11-03 | 2021-03-23 | 浙江衣拿智能科技股份有限公司 | Goods rack driving device of conveying system |
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2017
- 2017-11-03 CN CN201711068688.7A patent/CN107826615B/en active Active
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2018
- 2018-10-11 WO PCT/CN2018/109790 patent/WO2019085717A1/en active Application Filing
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|---|---|---|---|---|
| CN2716214Y (en) * | 2004-06-14 | 2005-08-10 | 上海瑞高蔓国际贸易有限公司 | Pneumatic suspension type rotating frame |
| CN201135158Y (en) * | 2008-01-03 | 2008-10-22 | 陈桂宽 | Simple ready-made clothes hanging system clothes-pin transmission facilities |
| CN101758997A (en) * | 2009-10-14 | 2010-06-30 | 江苏天奇物流系统工程股份有限公司 | Light skidding chain shifter |
| CN201849901U (en) * | 2010-09-29 | 2011-06-01 | 广州市思尔电子科技有限公司 | Conveying equipment of fabric processing production line |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019085717A1 (en) | 2019-05-09 |
| CN107826615A (en) | 2018-03-23 |
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