CN110980113B - Unpowered downhill roller type conveyor with speed reduction function - Google Patents
Unpowered downhill roller type conveyor with speed reduction function Download PDFInfo
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- CN110980113B CN110980113B CN201911247013.8A CN201911247013A CN110980113B CN 110980113 B CN110980113 B CN 110980113B CN 201911247013 A CN201911247013 A CN 201911247013A CN 110980113 B CN110980113 B CN 110980113B
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- swing arm
- frame
- cam shaft
- belt
- carrier roller
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- 230000009467 reduction Effects 0.000 title claims description 10
- 230000001603 reducing effect Effects 0.000 claims abstract description 23
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- B65G13/00—Roller-ways
- B65G13/02—Roller-ways having driven rollers
- B65G13/06—Roller driving means
- B65G13/07—Roller driving means having endless driving elements
-
- 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
- B65G13/00—Roller-ways
- B65G13/075—Braking means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention provides an unpowered downslope carrier roller type conveyor with a speed reducing function, which comprises a rack which is obliquely arranged, wherein the rack is rotationally connected with a plurality of groups of free carrier rollers, and a speed reducing assembly is arranged between two adjacent groups of free carrier rollers: the speed reducing assembly comprises a rotating shaft which is connected with the side wall of the frame in a rotating mode, the rotating shaft is perpendicular to the side wall of the frame and is connected with a swing arm, the swing arm is fixed with the frame through a locating pin, a slotted hole is formed in the lower end of the swing arm in the length direction of the swing arm, the swing arm is connected with a cam shaft in a sliding mode, a hexagonal rod which is in sliding fit with the slotted hole is arranged at the end portion of the cam shaft, the swing arm is provided with an adjusting assembly for adjusting the position of the hexagonal rod relative to the slotted hole, the upper end of the swing arm is connected with an upper carrier roller in a rotating mode, and the upper carrier roller and the axis of the cam shaft are parallel and are connected with a belt in a sleeved mode. The invention can reduce the speed of the goods at the output end and ensure the integrity of the transported goods.
Description
Technical Field
The invention relates to the field of logistics conveying equipment, in particular to an unpowered downhill roller conveyor with a speed reducing function.
Background
The concept of logistics originated in the 30 s of the 20 th century, originally meant "physical distribution" or "goods distribution". The logistics terminology standard in China defines logistics as: in the physical flow process of the articles from the supply place to the receiving place, the functions of transportation, storage, loading, unloading, carrying, packaging, circulation processing, distribution, information processing and the like are organically combined according to actual needs to realize the process required by users.
Along with the increase of logistics conveying capacity, the logistics conveying system which needs to be matched also has the trend of three-dimension, intelligence and complexity, for example, goods are often required to be conveyed from a high place to a low place, and at the moment, a section of carrier roller type conveyor can be used for saving energy and reducing emission, namely, a row of carrier rollers capable of freely rotating are obliquely arranged, and the carrier rollers can freely slide downwards by means of the gravity of the goods without applying power, namely, powerless downhill. However, when the conveyor is adopted, the speed of the goods is gradually increased in the process of sliding downwards, and the goods are often damaged due to the fact that the output end at the lowest position is impacted with the baffle plate violently due to the fact that the speed is too high, so that fragile and brittle goods cannot be conveyed, and the conveying range is limited greatly. Therefore, improvement is needed.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the unpowered downhill roller conveyor with the deceleration function, which can reduce the speed of the goods at the output end and ensure the integrity of the transported goods.
In order to achieve the purpose, the unpowered downslope carrier roller type conveyor with the speed reducing function comprises a rack which is obliquely arranged, wherein the rack is rotationally connected with a plurality of groups of free carrier rollers, and a speed reducing assembly is arranged between two adjacent groups of free carrier rollers: the speed reducing assembly comprises a rotating shaft which is connected with the side wall of the frame in a rotating mode, the rotating shaft is perpendicular to the side wall of the frame and is connected with a swing arm, the swing arm is fixed with the frame through a locating pin, a slotted hole is formed in the lower end of the swing arm in the length direction of the swing arm, the swing arm is connected with a cam shaft in a sliding mode, a hexagonal rod which is in sliding fit with the slotted hole is arranged at the end portion of the cam shaft, the swing arm is provided with an adjusting assembly for adjusting the position of the hexagonal rod relative to the slotted hole, the upper end of the swing arm is connected with an upper carrier roller in a rotating mode, and the upper carrier roller and the axis of the cam shaft are parallel and are connected with a belt in a sleeved mode.
Preferably, the frame is provided with a limiting block for limiting the rotation angle of the swing arm.
Preferably, the end of the hexagonal rod is provided with a shaft end baffle.
Preferably, the adjusting component comprises an adjusting seat connected with the swing arm, an adjusting stud perpendicular to the hexagonal rod is connected with the adjusting seat in a threaded mode, a plurality of through holes are formed in one end, close to the hexagonal rod, of the adjusting stud in a circumferential mode, the length direction of each through hole is arranged in the radial direction of the adjusting stud, and one through hole is inserted with an inner hexagonal adjusting sleeve matched with the hexagonal rod.
Preferably, the middle part of the swing arm is rotatably connected with a plurality of middle carrier rollers, and the middle carrier rollers are parallel to the axis of the upper carrier rollers.
Preferably, the upper carrier roller, the middle carrier roller and the cam shaft are provided with annular grooves at corresponding positions along the circumferential direction, and the inner side surface of the belt is provided with guide strips matched with the annular grooves.
Preferably, the cross section of the guide strip is trapezoidal.
Preferably, the outer side surface of the belt is made of polyvinyl chloride or polyurethane, and the inner side surface of the belt is made of woven cloth; the frame is connected with a pocket net made of elastic materials at the output end.
Compared with the prior art, the invention has the beneficial effects that:
The rack is provided with a speed reducing assembly between two adjacent groups of free carrier rollers, so that at least one speed reducing effect on the goods is realized, damage caused by collision between the goods and the output end due to too high speed when the goods slide downwards is prevented, and the integrity of the transported goods is guaranteed;
The deceleration principle of the invention is as follows: when goods are conveyed onto the belt, the belt is stressed to revolve, the upper carrier roller rotates along with the belt, and the cam shaft can only slide relative to the swing arm, so that the cam shaft moves relative to the belt, friction is generated between the cam shaft and the belt to enable the belt to be decelerated, and the deceleration of the goods is realized;
For goods of different specifications and weights, it is preferable to use different degrees of deceleration, the invention has three independent adjustment options: firstly, the swing arm can rotate around the rotating shaft after the positioning pin is released, so that the change of the posture of the speed reducing assembly relative to the frame is realized, and the speed reducing degree is changed; secondly, the camshaft can be disassembled from the swing arm and then is changed in loading angle, six loading angles are provided because the hexagonal rod is in sliding fit with the oblong hole, the far end of the camshaft is positioned at different positions, the belt has multiple tensioning forces, and the greater the tensioning force, the higher the deceleration degree; thirdly, the adjusting component can change the position of the hexagonal rod relative to the oblong hole, so that the tension of the belt can be adjusted, and the adjustment of the deceleration degree can be realized; the three adjustment modes can be used independently or combined according to actual situation requirements, are flexible and convenient to adjust, have a wide adjustment range of the speed reduction degree, and are suitable for reducing the speed of most cargoes; and the damping of the free carrier roller can be easily adjusted, and the device is suitable for conveying cargoes with various weights.
Drawings
FIG. 1 is a side view of an unpowered downslope idler conveyor with deceleration functionality of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a top view of an unpowered downslope idler conveyor with deceleration functionality of the present invention;
Fig. 4 is an enlarged view of a portion B in fig. 3.
In the figure: 1. a frame; 2. a free carrier roller; 3. a deceleration assembly; 31. swing arms; 32. a slotted hole; 33. a cam shaft; 34. a hexagonal rod; 35. an adjustment assembly; 351. an adjusting seat; 352. adjusting the stud; 353. an inner hexagonal adjusting sleeve; 354. a through hole; 36. an upper carrier roller; 37. a belt; 38. middle carrier roller; 39. and a ring groove.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the present invention in detail, the following examples are given by way of example and are described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The invention provides an unpowered downslope carrier roller type conveyor with a speed reducing function, which comprises a rack 1 which is obliquely arranged, wherein the rack 1 is rotatably connected with a plurality of groups of free carrier rollers 2, and a speed reducing assembly 3 is arranged between two adjacent groups of free carrier rollers 2 of the rack 1: the speed reducing assembly 3 comprises a rotating shaft which is rotationally connected with the side wall of the frame 1, the rotating shaft is perpendicular to the side wall of the frame 1 and is connected with a swing arm 31, the swing arm 31 is fixed with the frame 1 through a locating pin, a slotted hole 32 is formed in the lower end of the swing arm 31 along the length direction of the swing arm, a cam shaft 33 is slidably connected with the swing arm 31, a hexagonal rod 34 which is slidably matched with the slotted hole 32 is arranged at the end of the cam shaft 33, an adjusting assembly 35 for adjusting the position of the hexagonal rod 34 relative to the slotted hole 32 is arranged on the swing arm 31, an upper carrier roller 36 is rotationally connected with the upper end of the swing arm 31, and the upper carrier roller 36 and the cam shaft 33 are parallel in axis and are jointly sleeved with a belt 37.
By adopting the technical scheme, the frame 1 is provided with the speed reduction assembly 3 between two adjacent groups of free carrier rollers 2, so that at least one speed reduction effect on the goods is realized, damage caused by collision between the goods and the output end due to too high speed when the goods slide downwards is prevented, and the integrity of the transported goods is guaranteed;
the deceleration principle of the invention is as follows: when goods are conveyed onto the belt 37, the belt 37 is stressed to revolve, the upper carrier roller 36 rotates along with the belt 37, and the cam shaft 33 only slides relative to the swing arm 31, so that the cam shaft moves relative to the belt 37, friction is generated between the cam shaft and the belt 37 to enable the belt 37 to decelerate, and the speed of the goods is reduced;
For goods of different specifications and weights, it is preferable to use different degrees of deceleration, the invention has three independent adjustment options: firstly, the swing arm 31 can rotate around the rotating shaft after the positioning pin is released, so that the posture of the speed reducing assembly 3 relative to the frame 1 is changed, and the speed reducing degree is changed; secondly, the cam shaft 33 can be detached from the swing arm 31 and then is changed in loading angle, six loading angles are provided because the hexagonal rod 34 is in sliding fit with the oblong hole 32, the distal end of the cam shaft 33 is positioned at different positions, the belt 37 has multiple tensioning forces, and the greater the tensioning force is, the higher the deceleration degree is; thirdly, the adjusting component 35 can change the position of the hexagonal rod 34 relative to the oblong hole 32, so that the tension of the belt 37 can be adjusted, and the adjustment of the deceleration degree can be realized; the three adjustment modes can be used independently or combined according to actual situation requirements, are flexible and convenient to adjust, have a wide adjustment range of the speed reduction degree, and are suitable for reducing the speed of most cargoes; the damping of the free carrier roller 2 can be easily adjusted, and the device is suitable for conveying cargoes with various weights;
the cam shaft 33, i.e. the shaft body with integrated cams, is preferably kept in the same distal position for all cams in the present invention.
Preferably, the frame 1 is provided with a stopper for limiting the rotation angle of the swing arm 31.
Through adopting above-mentioned technical scheme, be favorable to restricting swing arm 31's rotation angle, on the one hand prevent swing arm 31 free rotation when the locating pin became invalid, on the other hand can prevent to take place the motion interference between spare part.
Preferably, the ends of the hex bar 34 are provided with shaft end baffles.
By adopting the technical scheme, the camshaft 33 can be prevented from sliding along the axial direction, and the shaft end baffle is firstly dismounted when the camshaft is dismounted.
Preferably, the adjusting assembly 35 includes an adjusting seat 351 connected to the swing arm 31, the adjusting seat 351 is in threaded connection with an adjusting stud 352 perpendicular to the hexagonal rod 34, a plurality of through holes 354 are circumferentially distributed on one end of the adjusting stud 352 near the hexagonal rod 34, the length direction of the through holes 354 is radially set along the adjusting stud 352, and one of the through holes 354 is inserted with an inner hexagonal adjusting sleeve 353 matched with the hexagonal rod 34.
By adopting the technical scheme, during daily conveying, the inner hexagonal adjusting sleeve 353 is in plug-in fit with the hexagonal rod 34, and the adjusting stud 352 connected with the inner hexagonal adjusting sleeve 353 is in threaded connection with the adjusting seat 351, so that the relative rest of the cam shaft 33 and the swing arm 31 is ensured; when the position of the cam shaft 33 relative to the swing arm 31 needs to be adjusted, the inner hexagonal adjusting sleeve 353 is pulled out from the through hole 354, then the adjusting stud 352 is rotated, the height of the end part of the adjusting stud 352 can be changed, the cam shaft 33 slides along the direction of the oblong hole 32, the inner hexagonal adjusting sleeve 353 is installed in the through hole 354 again, and is matched with the hexagonal rod 34 again, so that the cam shaft 33 can be locked at a new position, the tension of the belt 37 can be adjusted, and the speed reduction degree is changed.
Preferably, a plurality of middle carrier rollers 38 are rotatably connected to the middle part of the swing arm 31, and the middle carrier rollers 38 are parallel to the axis of the upper carrier roller 36.
Through adopting above-mentioned technical scheme, can promote bearing capacity on the one hand, be applicable to the transportation of heavy goods, on the other hand can reduce belt 37's load, reduce ageing, increase of service life.
Preferably, the upper carrier roller 36, the middle carrier roller 38 and the cam shaft 33 are provided with annular grooves 39 at corresponding positions along the circumferential direction, and guide strips matched with the annular grooves 39 are arranged on the inner side surface of the belt 37.
By adopting the technical scheme, the belt 37 can be positioned during rotation, the belt 37 is prevented from being deviated to cause the deviation of goods, and the annular groove 39 of the cam shaft 33 is preferably arranged at the cam.
Preferably, the cross section of the guide strip is trapezoidal.
By adopting the technical scheme, after a certain degree of abrasion, the normal operation and positioning of the belt 37 in a short time can be ensured, and time is striven for the maintenance and replacement of staff.
Preferably, the outer side surface of the belt 37 is made of polyvinyl chloride or polyurethane, and the inner side surface of the belt 37 is made of woven cloth; the frame 1 is connected with a pocket net made of elastic materials at the output end.
By adopting the technical scheme, the strength and the wear resistance of the belt 37 are improved, and the service life is prolonged; the pocket net can prevent hard impact with the goods and is beneficial to protecting the goods.
The working principle of the invention is as follows:
When goods are conveyed onto the belt 37 by the free carrier roller 2, the belt 37 is stressed to revolve, the upper carrier roller 36 and the middle carrier roller 38 rotate along with the belt 37, and the cam shaft 33 can only slide relative to the swing arm 31, so that the cam shaft and the belt 37 relatively move, friction is generated between the cam shaft 33 and the belt 37 to promote the belt 37 to decelerate, and the reduction of the goods is realized;
For goods of different specifications and weights, it is preferable to use different degrees of deceleration, the invention has three independent adjustment options: firstly, the swing arm 31 can rotate around the rotating shaft after the positioning pin is released, so that the posture of the speed reducing assembly 3 relative to the frame 1 is changed, and the speed reducing degree is changed; secondly, the cam shaft 33 can be detached from the swing arm 31 and then is changed in loading angle, six loading angles are provided because the hexagonal rod 34 is in sliding fit with the oblong hole 32, the distal end of the cam shaft 33 is positioned at different positions, the belt 37 has multiple tensioning forces, and the greater the tensioning force is, the higher the deceleration degree is; thirdly, the adjusting component 35 can change the position of the hexagonal rod 34 relative to the oblong hole 32, so that the tension of the belt 37 can be adjusted, and the adjustment of the deceleration degree can be realized; the three adjustment modes can be used independently or combined according to actual situation requirements, are flexible and convenient to adjust, have a wide adjustment range of the speed reduction degree, and are suitable for reducing the speed of most cargoes; and the damping of the free carrier roller 2 can be easily adjusted, so that the device is suitable for conveying cargoes with various weights.
In summary, the present invention is not limited to the preferred embodiments, but is intended to cover modifications and equivalent arrangements included within the scope of the appended claims and their equivalents.
Claims (5)
1. An unpowered downhill roller conveyor with a deceleration function, which is characterized in that: including the frame that the slope set up, the frame rotates and is connected with a plurality of free bearing rollers of group, the frame is equipped with the speed reduction subassembly between two adjacent free bearing rollers of group: the speed reducing assembly comprises a rotating shaft which is connected with the side wall of the frame in a rotating mode, the rotating shaft is perpendicular to the side wall of the frame and is connected with a swing arm, a long round hole is formed in the lower end of the swing arm along the length direction of the swing arm, the swing arm is connected with a cam shaft in a sliding mode, a hexagonal rod which is in sliding fit with the long round hole is arranged at the end portion of the cam shaft, an adjusting assembly for adjusting the position of the hexagonal rod relative to the long round hole is arranged on the swing arm, an upper carrier roller is connected with the upper end of the swing arm in a rotating mode, the axis of the upper carrier roller is parallel to the axis of the cam shaft, the upper carrier roller and the axis of the cam shaft are connected with a belt in a sleeving mode, a limiting block for limiting the rotating angle of the swing arm is arranged on the frame, an adjusting seat is connected with the swing arm in a threaded mode, a plurality of through holes are formed in a threaded mode through the adjusting seat, one end, close to the through holes are distributed in the circumferential direction, and are arranged in the length direction of the through holes, and are arranged in the radial direction of the adjusting stud, and one through hole is in an inner hexagonal adjusting sleeve matched with the hexagonal rod.
2. An unpowered downslope idler conveyor with deceleration function as defined in claim 1, wherein: the middle part of swing arm rotates and is connected with a plurality of well bearing rollers, well bearing roller is parallel with the axis of last bearing roller.
3. An unpowered downslope idler conveyor with deceleration function as defined in claim 2, wherein: the upper carrier roller, the middle carrier roller and the cam shaft are provided with annular grooves at corresponding positions along the circumferential direction, and the inner side surface of the belt is provided with guide strips matched with the annular grooves.
4. A non-powered downslope idler conveyor with deceleration functionality according to claim 3, characterized in that: the cross section of the guide strip is trapezoid.
5. An unpowered downslope idler conveyor with deceleration functionality as defined in claim 4, wherein: the outer side surface of the belt is made of polyvinyl chloride or polyurethane, and the inner side surface of the belt is made of woven cloth; the frame is connected with a pocket net made of elastic materials at the output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247013.8A CN110980113B (en) | 2019-12-09 | 2019-12-09 | Unpowered downhill roller type conveyor with speed reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247013.8A CN110980113B (en) | 2019-12-09 | 2019-12-09 | Unpowered downhill roller type conveyor with speed reduction function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110980113A CN110980113A (en) | 2020-04-10 |
| CN110980113B true CN110980113B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247013.8A Active CN110980113B (en) | 2019-12-09 | 2019-12-09 | Unpowered downhill roller type conveyor with speed reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110980113B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940014112A (en) * | 1992-12-31 | 1994-07-16 | 석진철 | Reduction device and method of roller conveyor |
| JPH08133457A (en) * | 1994-11-10 | 1996-05-28 | Kanebo Ltd | Carrying conveyor |
| US6244424B1 (en) * | 1998-03-30 | 2001-06-12 | Jost Ag Heimberg | System for transporting piece goods |
| CN203268924U (en) * | 2013-05-08 | 2013-11-06 | 中烟机械技术中心有限责任公司 | Double-way operating conveyor belt capable of achieving synchronous adjustment |
| CN203975746U (en) * | 2014-07-21 | 2014-12-03 | 淮北高罗输送装备有限公司 | Lower fortune hypervelocity damping arrangement |
| CN204237098U (en) * | 2014-04-30 | 2015-04-01 | 湖南省烟草公司衡阳市公司 | New shaped piece cigarette roller feedway |
| CN109095088A (en) * | 2018-08-27 | 2018-12-28 | 农业部南京农业机械化研究所 | A kind of conveying belt tensioning mechanism |
| CN211309784U (en) * | 2019-12-09 | 2020-08-21 | 苏州鸿安机械有限公司 | Unpowered downhill roller type conveyor with speed reduction function |
-
2019
- 2019-12-09 CN CN201911247013.8A patent/CN110980113B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940014112A (en) * | 1992-12-31 | 1994-07-16 | 석진철 | Reduction device and method of roller conveyor |
| JPH08133457A (en) * | 1994-11-10 | 1996-05-28 | Kanebo Ltd | Carrying conveyor |
| US6244424B1 (en) * | 1998-03-30 | 2001-06-12 | Jost Ag Heimberg | System for transporting piece goods |
| CN203268924U (en) * | 2013-05-08 | 2013-11-06 | 中烟机械技术中心有限责任公司 | Double-way operating conveyor belt capable of achieving synchronous adjustment |
| CN204237098U (en) * | 2014-04-30 | 2015-04-01 | 湖南省烟草公司衡阳市公司 | New shaped piece cigarette roller feedway |
| CN203975746U (en) * | 2014-07-21 | 2014-12-03 | 淮北高罗输送装备有限公司 | Lower fortune hypervelocity damping arrangement |
| CN109095088A (en) * | 2018-08-27 | 2018-12-28 | 农业部南京农业机械化研究所 | A kind of conveying belt tensioning mechanism |
| CN211309784U (en) * | 2019-12-09 | 2020-08-21 | 苏州鸿安机械有限公司 | Unpowered downhill roller type conveyor with speed reduction function |
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|---|---|
| CN110980113A (en) | 2020-04-10 |
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Address after: No.2158 Taicang Economic Development Zone, Jiangsu Province Applicant after: Suzhou Hongan Machinery Co.,Ltd. Address before: No. 116, Liuyang Road, Taicang Economic Development Zone, Suzhou, Jiangsu 215400 Applicant before: SUZHOU HONGAN MACHINERY Co.,Ltd. |
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