CN111377195A - Belt conveyor with adjustable roller height and installation method thereof - Google Patents
Belt conveyor with adjustable roller height and installation method thereof Download PDFInfo
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- CN111377195A CN111377195A CN202010162359.4A CN202010162359A CN111377195A CN 111377195 A CN111377195 A CN 111377195A CN 202010162359 A CN202010162359 A CN 202010162359A CN 111377195 A CN111377195 A CN 111377195A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
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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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
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Abstract
The invention discloses a belt conveyor with adjustable roller height, which comprises a rack, wherein an upper carrier roller and a lower carrier roller are respectively arranged at the top and the bottom of the rack, transmission mechanisms are respectively arranged at two ends of the rack, a pre-tightening mechanism is arranged at the bottom of the rack, and the upper carrier roller, the lower carrier roller, the pre-tightening mechanism and the transmission mechanisms are sleeved with a same belt; the driving roller of one of the driving mechanisms is connected with a motor. The invention also provides an installation method of the belt conveyor with the adjustable roller height. The invention solves the problems of high repair rate and short service life caused by serious abrasion between the upper surface of the rack and the belt in the prior art.
Description
Technical Field
The invention belongs to the technical field of transportation equipment, relates to a belt conveyor with adjustable roller height, and particularly relates to an installation method of the equipment.
Background
The belt conveyer is a friction-driven continuous-mode conveying machine, is auxiliary equipment in the production of strip materials in a steel rolling engineering, and can directly influence the operation of the whole system if the belt conveyer can work normally. The device mainly comprises a frame, a support, a belt, rollers, a tensioning device, a transmission device and the like, and is composed of rollers at two end points and a closed conveying belt tightly sleeved on the rollers. The belt is dragged by the friction force between the driving roller and the conveying belt, the roller at the other end changes the moving direction of the conveying belt, and different tension forces are provided for the long-distance and high-tension conveyer under different working states; the two ends of the rack are respectively provided with a pair of supports, a roller is arranged between the pair of supports, the diameter of the roller is D, the height dimension from the center of the roller to the upper surface of the rack is L, in order to ensure the normal operation of the belt, the length of D/2-L is required to be within the range of 1-3 mm, the rack and the supports are fixed through a sliding key, the horizontal position of the rack can be controlled, the height direction adjustment cannot be performed, the height difference between the upper surface of the rack and the upper top surface of the roller cannot be well ensured, only the processing and manufacturing precision cannot be out of tolerance, the manufacturing cost is improved, the inner side of the belt is in contact with a rack end face steel plate to generate extrusion force, the friction is increased, the repair rate is high, and the service life of the.
Disclosure of Invention
The invention aims to provide a belt conveyor with adjustable roller height, which solves the problems of high repair rate and short service life caused by serious abrasion between the upper surface of a rack and a belt in the prior art.
The technical scheme adopted by the invention is that,
a belt conveyor with adjustable roller height comprises a rack, wherein an upper carrier roller and a lower carrier roller are respectively arranged at the top and the bottom of the rack, transmission mechanisms are respectively arranged at two ends of the rack, a pre-tightening mechanism is arranged at the bottom of the rack, and the upper carrier roller, the lower carrier roller, the pre-tightening mechanism and the transmission mechanisms are sleeved with a same belt;
the driving roller of one of the driving mechanisms is connected with a motor.
The present invention is also characterized in that,
the eccentric bearing sleeve is circular, one side of the eccentric bearing sleeve is a circular truncated cone with a protruded center, the circle center of the circular truncated cone is the same as that of the circular outer edge of the eccentric bearing sleeve, an eccentric bearing hole is formed in the circular truncated cone, the distance between the circle center of the eccentric bearing hole and the circle center of the circular truncated cone is an eccentric distance h, and the size of the eccentric distance h is 3-8 mm;
a through hole is formed in the support, and the through hole is in clearance fit with the circular truncated cone; the edge of the through hole is uniformly provided with fixing holes A;
the edge of the eccentric bearing sleeve is uniformly provided with a handle hole, the handle hole is matched with the fixing hole A and is mutually fixed by screws, and the number of the handle holes is 8-16.
Furthermore, the number of the combined holes is 12, the number of the fixing holes A is 4, and the distance from the circle center of the combined hole to the circle center of the circular truncated cone is the same as the distance from the circle center of the fixing hole A to the circle center of the through hole.
The edge of the eccentric bearing sleeve is also uniformly fixed with fixing holes B, and the fixing holes B are matched with the anti-loosening screws to fix the eccentric bearing sleeve on the support.
The frame both ends are provided with a pair of sliding key respectively, have the trompil on the sliding key, and the side of support is opened has the sliding tray, and the sliding key matches each other with the sliding tray and fixes through the jackscrew.
The support is also provided with a long hole which is matched with a screw to fix the support on the frame.
The pre-tightening mechanism comprises a pair of opposite supports, the pair of supports are respectively fixed on two sides of the bottom of the rack, each support is provided with an adjusting groove A and an adjusting groove B, the directions of the adjusting grooves A and the adjusting grooves B are the same, and a first pre-tightening roller is arranged between the adjusting grooves A of the pair of supports; a second pre-tightening roller is arranged between the adjusting grooves B of the pair of brackets, the end part of the first pre-tightening roller can slide in the adjusting groove A and is fixed through a screw, and the end part of the second pre-tightening roller can slide in the adjusting groove B and is fixed through a screw.
Another object of the present invention is to provide a method of installing a belt conveyor with adjustable roller height;
the technical scheme adopted by the invention is that,
a method for installing a belt conveyor with adjustable roller height comprises the following steps:
step 5, fixing the bracket and the rack through screws, and installing the first pre-tightening roller and the second pre-tightening roller on the rack;
and 7, after the belt is sleeved, adjusting the position of the first pre-tightening roller in the adjusting groove A and the position of the second pre-tightening roller in the adjusting groove B until the belt is proper in tightness, and finishing installation.
The specific method of the step 2 comprises the following steps:
step 2.1, fixing the eccentric bearing sleeve on the support, specifically, firstly, installing the circular truncated cone and the through hole in a matching manner, then, rotating the eccentric bearing sleeve to enable the fixing hole A to be communicated with the combining hole and mutually fixing the fixing hole A and the combining hole by using a screw;
step 2.2, sleeving the bearings at two ends of the transmission roller and fastening the bearings by using locking nuts;
and 2.3, respectively installing the bearings at the two ends of the driving roller in a matching manner with the eccentric bearing sleeves.
The step 4 specifically comprises the following steps:
step 4.1, adjusting the height position of the eccentric bearing hole by rotating the eccentric bearing sleeve and adjusting the eccentricity, so that the upper top surface of the driving roller is higher than the upper surface of the rack: the eccentricity of the eccentric bearing sleeve (4) is h, wherein the number n of the combining holes is d1The pitch circle diameter of the combining hole is d, the angle of each rotating combining hole is 360/n, and the height adjustment amount of the driving roller is
Until the height of the roller body of the driving roller higher than the surface of the frame is within the range of 1 mm-3 mm;
step 4.2, fixing the fixing hole A and the combining hole with each other by using a screw;
and 4.3, further pre-tightening the eccentric bearing sleeve by matching the fixing hole B with a locking screw.
The invention has the advantages that
The eccentric bearing sleeve is rotated to adjust the bearing centers at the two ends of the driving roller, so that the driving roller is integrally lifted, the height of the driving roller higher than the rack is ensured, the friction force between the belt and the rack is reduced, the service life of the belt is prolonged, and the stable operation of equipment is ensured.
Drawings
FIG. 1 is a front cross-sectional view of an end of a belt conveyor of the present invention with adjustable roller height;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a front view of an eccentric bearing sleeve in a belt conveyor with adjustable roller height according to the present invention;
FIG. 4 is a side view of an eccentric bearing sleeve in a belt conveyor with adjustable roller height according to the present invention;
FIG. 5 is a structural view of a support in a belt conveyor with adjustable roller heights according to the present invention;
in the figure, 1, a frame, 2, a support, 3, a transmission roller, 4, an eccentric bearing sleeve, 5, a bearing, 6, a handle hole, 7, a sliding key, 8, a support, 9, a first pre-tightening roller, 10, a second pre-tightening roller, 11, an adjusting groove A, 12, an adjusting groove B, 13, a locking nut and 14, a jackscrew are arranged in the frame;
2-1, 2-2, a fixing hole A, 2-3, a sliding groove and 2-4, a long hole;
4-1 parts of a circular truncated cone, 4-2 parts of an eccentric bearing hole and 4-3 parts of a fixing hole B.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a belt conveyor with adjustable roller height, which comprises a rack 1, wherein the top and the bottom of the rack 1 are respectively provided with an upper carrier roller and a lower carrier roller, two ends of the rack 1 are respectively provided with a transmission mechanism, the bottom of the rack 1 is provided with a pre-tightening mechanism, and the upper carrier roller, the lower carrier roller, the pre-tightening mechanism and the transmission mechanism are sleeved with a same belt; the driving roller 3 of one of the driving mechanisms is connected with a motor.
The eccentric bearing sleeve 4 is circular, one side of the eccentric bearing sleeve 4 is a circular truncated cone 4-1 with a center protruding, the circle center of the circular truncated cone 4-1 is the same as that of the circular outer edge of the eccentric bearing sleeve 4, an eccentric bearing hole 4-2 is formed in the circular truncated cone 4-1, the distance between the circle center of the eccentric bearing hole 4-2 and the circle center of the circular truncated cone 4-1 is an eccentric distance h, and the size of the eccentric distance h is 3-8 mm; a through hole 2-1 is formed in the support 2, and the through hole 2-1 is in clearance fit with the circular truncated cone 4-1; fixing holes A2-2 are uniformly formed in the edges of the through holes 2-1, and the fixing holes A2-2 are threaded holes; the edge of the eccentric bearing sleeve 4 is uniformly provided with a combining hole 6, the combining hole 6 is matched with the fixing hole A2-2 and fixed with each other by screws, the number of the combining holes 6 is 8-16, and the number of the combining holes can be set to be even for convenience of adjustment.
Furthermore, the number of the combining holes 6 is 12, the number of the fixing holes A2-2 is 4, and the distance from the circle center of the combining holes 6 to the circle center of the circular truncated cone 4-1 is the same as the distance from the circle center of the fixing holes A2-2 to the circle center of the through hole 2-1.
Wherein, the edge of the eccentric bearing sleeve 4 is also evenly fixed with a fixing hole B4-3, and the fixing hole B4-3 is matched with a check screw to fix the eccentric bearing sleeve 4 on the support 2.
Wherein, the two ends of the frame 1 are respectively provided with a pair of sliding keys 7, the sliding keys 7 are provided with holes, the side edge of the support is provided with sliding grooves 2-3, the sliding grooves 2-3 are transverse grooves, the direction of the sliding key 7 is also consistent with the length direction of the frame, the sliding key 7 and the sliding grooves 2-3 are matched with each other and can slide and are fixed by a jackscrew 14, thus ensuring that the support 2 can be adjusted in the horizontal direction; the support 2 is also provided with long holes 2-4, the support 2 is fixed on the frame 1 by the long holes 2-4 matching with screws, the number of the long holes is not less than 4, and the support is mainly used for fixing and preventing deviation.
The pre-tightening mechanism comprises a pair of opposite supports 8, the pair of supports 8 are respectively fixed on two sides of the bottom of the rack 1, each support 8 is provided with an adjusting groove A11 and an adjusting groove B12, the directions of the adjusting grooves A11 and the adjusting grooves B12 are the same, and a first pre-tightening roller 9 is arranged between the adjusting grooves A11 of the pair of supports 8; the second pre-tightening roller 10 is provided between the adjustment grooves B12 of the pair of brackets 8, the end of the first pre-tightening roller 9 is slidable in the adjustment groove a11 and fixed by a screw, and the end of the second pre-tightening roller 10 is slidable in the adjustment groove B12 and fixed by a screw.
The invention also provides an installation method of the belt conveyor with the adjustable roller height, which comprises the following steps:
step 2.1, fixing the eccentric bearing sleeve 4 on the support 2, specifically, firstly, installing the circular truncated cone 4-1 and the through hole 2-1 in a matching manner, and then, rotating the eccentric bearing sleeve 4 to enable the fixing hole A2-2 to be communicated with the combining hole 6 and mutually fixed by screws;
step 2.2, sleeving the bearings 5 at two ends of the transmission roller 3 and fastening the bearings 5 by using locking nuts 13;
and 2.3, respectively installing the bearings 5 at the two ends of the driving roller 3 in a matching way with the eccentric bearing sleeves 4.
step 4.1, the height position of the eccentric bearing hole 4-2 is adjusted by rotating the eccentric bearing sleeve 4 and adjusting the eccentricity, so that the upper top surface of the driving roller 3 is higher than the upper surface of the rack 1: the eccentricity of the eccentric bearing sleeve 4 is h, wherein the number n of the handle holes 6 is d1If the reference circle diameter of the combining hole 6 is d, the height of the driving roller 3 is adjusted by 360/n for every rotating angle of one combining hole 6
Until the height of the roller body of the driving roller 3 higher than the surface of the frame 1 is within the range of 1 mm-3 mm;
step 4.2, fixing the fixing hole A2-2 and the combining hole 6 with each other by screws;
step 4.3, the fixing hole B4-3 is matched with a locking screw to further pre-tighten the eccentric bearing sleeve 4;
step 5, fixing the bracket 8 and the rack 1 through screws, and installing the first pre-tightening roller 9 and the second pre-tightening roller 10 on the rack;
and 7, after the belt is sleeved, adjusting the position of the first pre-tightening roller 9 in the adjusting groove A11 and the position of the second pre-tightening roller 10 in the adjusting groove B12 until the belt is properly tightened, and finishing the installation.
According to the invention, the height position of the eccentric bearing hole 4-2 is adjusted by rotating the eccentric bearing sleeve 4 and adjusting the eccentricity, so that the upper top surface of the driving roller 3 is higher than the upper surface of the rack 1, the friction force between a belt and the rack is reduced, the service life of the belt is prolonged, and the stable operation of equipment is ensured.
Claims (10)
1. A belt conveyor with adjustable roller height comprises a rack (1), wherein an upper carrier roller and a lower carrier roller are respectively arranged at the top and the bottom of the rack (1), transmission mechanisms are respectively arranged at two ends of the rack (1), a pre-tightening mechanism is arranged at the bottom of the rack (1), and the upper carrier roller, the lower carrier roller, the pre-tightening mechanism and the transmission mechanisms are sleeved with the same belt, and the belt conveyor is characterized in that the transmission mechanisms comprise a pair of mutually parallel supports (2), a pair of the supports (2) are oppositely arranged, the pair of the supports (2) are respectively fixed at two sides of the end part of the rack (1), the plane where the supports (2) are located is perpendicular to the upper surface of the rack (1), a transmission roller (3) is arranged between the pair of the supports (2), and the support (2) are connected with an eccentric bearing sleeve (4) through a bearing (5), the bearings (5) are sleeved at two ends of the transmission roller (3), and the eccentric bearing sleeve (4) is fixed on the inner surface of the support (2);
the driving roller (3) of one of the driving mechanisms is connected with a motor.
2. The belt conveyor with the adjustable roller height as claimed in claim 1, wherein the eccentric bearing sleeve (4) is circular, one side of the eccentric bearing sleeve (4) is a circular truncated cone (4-1) with a protruded center, the circle centers of the circular truncated cone (4-1) and the circular truncated cone at the outer edge of the eccentric bearing sleeve (4) are the same, an eccentric bearing hole (4-2) is formed in the circular truncated cone (4-1), the distance between the circle center of the eccentric bearing hole (4-2) and the circle center of the circular truncated cone (4-1) is an eccentric distance h, and the size of the eccentric distance h is 3 mm-8 mm;
a through hole (2-1) is formed in the support (2), and the through hole (2-1) is in clearance fit with the round table (4-1); the edge of the through hole (2-1) is uniformly provided with fixing holes A (2-2);
the edge of the eccentric bearing sleeve (4) is uniformly provided with handle holes (6), the handle holes (6) are matched with the fixing holes A (2-2) and are mutually fixed through screws, and the number of the handle holes (6) is 8-16.
3. The belt conveyor with adjustable roller height as claimed in claim 2, characterized in that the number of the combining holes (6) is 12, the number of the fixing holes a (2-2) is 4, and the distance from the center of the combining holes (6) to the center of the circular truncated cone (4-1) is the same as the distance from the center of the fixing holes a (2-2) to the center of the through hole (2-1).
4. A belt conveyor with adjustable roller height as claimed in claim 3, characterized in that the edge of the eccentric bearing sleeve (4) is also fixed with fixing holes B (4-3), the fixing holes B (4-3) cooperate with anti-loose screws to fix the eccentric bearing sleeve (4) on the support (2).
5. The belt conveyor with adjustable roller height as claimed in claim 1, characterized in that a pair of sliding keys (7) are respectively arranged at two ends of the frame (1), the sliding keys (7) are provided with openings, the side of the support is provided with sliding grooves (2-3), and the sliding keys (7) and the sliding grooves (2-3) are matched with each other and fixed through jackscrews (14).
6. A belt conveyor with adjustable roller height according to claim 5, characterized in that the support (2) is also provided with long holes (2-4), and the long holes (2-4) are matched with screws to fix the support (2) on the frame (1).
7. The belt conveyor with the adjustable roller height as claimed in claim 1, characterized in that the pre-tightening mechanism comprises a pair of brackets (8), the brackets (8) are respectively fixed on two sides of the bottom of the frame (1), each bracket (8) is provided with an adjusting groove A (11) and an adjusting groove B (12), the directions of the adjusting grooves A (11) and the adjusting grooves B (12) are the same, and a first pre-tightening roller (9) is arranged between the adjusting grooves A (11) of the brackets (8); and a second pre-tightening roller (10) is arranged between the adjusting grooves B (12) of the pair of brackets (8), the end part of the first pre-tightening roller (9) can slide in the adjusting groove A (11) and is fixed by a screw, and the end part of the second pre-tightening roller (10) can slide in the adjusting groove B (12) and is fixed by a screw.
8. A method for mounting a belt conveyor with adjustable roller height is characterized by comprising the following steps:
step 1, hoisting a rack (1) and finding the level;
step 2, mounting the two ends of the transmission roller (3) with the bearing (5), the eccentric bearing sleeve (4) and the support (2) in a matching manner;
step 3, the support assembled in the step 2 is integrally matched with a sliding key (7) and a sliding groove (2-3) to position the horizontal position of the support (2) on the rack (1), and the support (2) and the rack (1) are further fixed through a long hole (2-4) matched with a screw after being positioned;
step 4, adjusting the position of the eccentric bearing sleeve (4) to enable the height of the roller body of the transmission roller (3) higher than the surface of the frame (1) to be within the range of 1 mm-3 mm;
step 5, fixing the bracket (8) and the rack (1) through screws, and installing the first pre-tightening roller (9) and the second pre-tightening roller (10) on the rack;
step 6, mounting a belt, wherein the belt is sleeved on the driving rollers (3) at the two ends of the rack (1), the belt is attached to the upper carrier roller on the upper surface of the rack (1), and the first pre-tightening roller and the second pre-tightening roller (10) are wound at the bottom of the rack (1) and sleeved on the lower carrier roller;
and 7, after the belt is sleeved, adjusting the position of the first pre-tightening roller (9) in the adjusting groove A (11) and the position of the second pre-tightening roller (10) in the adjusting groove B (12) until the belt is properly tightened, and finishing the installation.
9. The method for installing a belt conveyor with adjustable roller height according to claim 8, wherein the specific method of the step 2 is as follows:
step 2.1, fixing the eccentric bearing sleeve (4) on the support (2), specifically, firstly, installing the circular truncated cone (4-1) and the through hole (2-1) in a matched manner, and then, rotating the eccentric bearing sleeve (4) to enable the fixing hole A (2-2) and the combining hole (6) to be communicated and fixed with each other by using a screw;
step 2.2, sleeving the bearing (5) at two ends of the transmission roller (3) and fastening the bearing (5) by using a locking nut (13);
and 2.3, respectively installing the bearings (5) at the two ends of the driving roller (3) in a matching way with the eccentric bearing sleeves (4).
10. The method for installing a belt conveyor with adjustable roller height according to claim 8, wherein the step 4 is specifically as follows:
step 4.1, adjusting the height position of the eccentric bearing hole (4-2) by rotating the eccentric bearing sleeve (4) and adjusting the eccentricity amount to enable the upper top surface of the transmission roller (3) to be higher than the upper surface of the frame (1): the eccentricity of the eccentric bearing sleeve (4) is h, wherein the number n of the combining holes (6) is d1The pitch circle diameter of the combining hole (6) is d, the angle of each rotating combining hole (6) is 360/n, and the height adjustment amount of the driving roller (3) is
Until the height of the roller body of the driving roller (3) higher than the surface of the frame (1) is within the range of 1 mm-3 mm;
step 4.2, fixing the fixing hole A (2-2) and the combining hole (6) with each other by using a screw;
and 4.3, further pre-tightening the eccentric bearing sleeve (4) by matching the fixing hole B (4-3) with a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162359.4A CN111377195B (en) | 2020-03-10 | 2020-03-10 | Belt conveyor with height-adjustable roller and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162359.4A CN111377195B (en) | 2020-03-10 | 2020-03-10 | Belt conveyor with height-adjustable roller and installation method thereof |
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| CN111377195A true CN111377195A (en) | 2020-07-07 |
| CN111377195B CN111377195B (en) | 2024-06-04 |
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| CN203173308U (en) * | 2013-03-12 | 2013-09-04 | 颜旭华 | Belt conveyer middle support mechanism for conveying sheet materials |
| CN103662613A (en) * | 2013-12-17 | 2014-03-26 | 浙江德马科技有限公司 | Deviation adjusting mechanism for end roller of narrow-band converging machine |
| CN205132322U (en) * | 2015-11-09 | 2016-04-06 | 涂杨 | Conjugation cycloid transmission motorized pulley |
| CN205441663U (en) * | 2015-12-30 | 2016-08-10 | 浙江德马科技股份有限公司 | Drive belt tightener |
| CN206466643U (en) * | 2017-01-23 | 2017-09-05 | 扬州荣辉化工设备有限公司 | A kind of leather belt deviating-proof belt conveyer carrying roller |
| CN106586611A (en) * | 2017-02-09 | 2017-04-26 | 安徽中烟工业有限责任公司 | Loose discharge device of storage cabinet |
| WO2019041393A1 (en) * | 2017-08-31 | 2019-03-07 | 广州市永合祥自动化设备科技有限公司 | Lapping and polishing mechanism |
| CN108820895A (en) * | 2018-08-16 | 2018-11-16 | 珠海格力智能装备有限公司 | Stacking machine |
| CN209177427U (en) * | 2018-11-20 | 2019-07-30 | 上海新钐机床有限公司 | Elastic adjustable straps transmission device |
| CN212558015U (en) * | 2020-03-10 | 2021-02-19 | 中冶陕压重工设备有限公司 | Belt conveyor with adjustable roller height |
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