CN103640843A - Upper full-automatic aligning idler set of belt conveyor - Google Patents
Upper full-automatic aligning idler set of belt conveyor Download PDFInfo
- Publication number
- CN103640843A CN103640843A CN201310695858.XA CN201310695858A CN103640843A CN 103640843 A CN103640843 A CN 103640843A CN 201310695858 A CN201310695858 A CN 201310695858A CN 103640843 A CN103640843 A CN 103640843A
- Authority
- CN
- China
- Prior art keywords
- inclined beams
- rotating shaft
- entablatrance
- beams
- stay bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses an upper full-automatic aligning idler set of a belt conveyor. The upper full-automatic aligning idler set comprises a lower cross beam and two upper cross beams, wherein each upper cross beam comprises an inclined beam and a horizontal beam, and rotating shafts are arranged at the bottoms of the horizontal beams; two shaft seats corresponding to the two rotating shafts are arranged on the lower cross beam respectively, and the two rotating shafts are located in the two shaft seats respectively; the upper full-automatic aligning idler set further comprises a plurality of horizontal idlers, a plurality of inclined idlers and two vertical rollers, and vertical roller shafts are arranged at the lower ends of the vertical rollers; and a vertical roller bar is arranged at each of the left end of an inclined beam I and the right end of an inclined beam II, a vertical roller base is arranged at the upper end of each vertical roller bar, and the vertical roller shafts are located in the vertical roller bases. According to the upper full-automatic aligning idler set of the belt conveyor, off tracking during conveying and automatic deviation rectification can be prevented, the abrasion of a conveyor belt can be reduced to the largest extent, the tearing of the conveyor belt is avoided, and the service life of the conveyor belt is prolonged.
Description
Technical field
The present invention relates to a kind of belt conveyer Full automatic center up-regulating carrier roller group, belong to commercial production conveyor line load transfer device technical field.
Background technology
Belt conveyer is to consist of cylinder and the load-transfer device being sleeved on outside cylinder, and load-transfer device carries out circulating motion under the friction of cylinder drives, thus the material carrying on feed surface; Carrying roller be for support belt and and load-transfer device between there is the assembly of friction of rolling.The Main Function of aligning carrier roller is the load-transfer device of sideslip to adjust, and prevents that load-transfer device from crawling, and guarantees load-transfer device smooth operation.But there is certain deficiency in existing aligning carrier roller: when belt deflection is too serious, tend to cause aligning carrier roller to rotate dumb or transmission hysteresis, above-mentioned situation center downward regulating carrier roller not only can not be rectified a deviation, and the carrying roller of both sides easily misplaces and scratches even tearing conveyer belt, aggravate the wearing and tearing of load-transfer device, shortened the service life of load-transfer device.
Summary of the invention
The deficiency that the present invention exists for prior art just, provides a kind of belt conveyer Full automatic center up-regulating carrier roller group, can reduce to greatest extent the wearing and tearing of load-transfer device, avoids tearing of load-transfer device, improves the service life of load-transfer device, meets actual operation requirements.
For addressing the above problem, the technical solution used in the present invention is as follows:
A belt conveyer Full automatic center up-regulating carrier roller group, comprising:
Cross sill and lay respectively at two entablatrances of described cross sill top the right and left, the described entablatrance that is positioned at left side comprises the inclined beams one on the left side and the horizontal beam one on the right, and the left end height of described inclined beams one is higher than right-hand member height, the described entablatrance that is positioned at right side comprises the inclined beams two on the right and the horizontal beam two on the left side, and the left end height of described inclined beams two is lower than right-hand member height, the bottom of described horizontal beam one and described horizontal beam two is respectively provided with a rotating shaft, described cross sill is provided with two axle beds that position corresponds respectively to two described rotating shafts, two described rotating shafts lay respectively in two described axle beds,
Some flat idlers, described in each, flat idler is provided with flat idler axle; Described horizontal beam one and described horizontal beam two are all vertically provided with some vertical stay bearing plates, described in each, vertically on stay bearing plate, are provided with for supporting the horizontal axial trough of described flat idler axle; Described in each, on entablatrance, between adjacent described vertical stay bearing plate, be provided with a flat idler;
Some inclined carrying rollers, described in each, inclined carrying roller is provided with inclined carrying roller axle; Described inclined beams one and described inclined beams two are all vertical and be upwards provided with some inclination stay bearing plates, are provided with for supporting the inclination axial trough of described inclined carrying roller axle described in each on the stay bearing plate that tilts; Described in each, on entablatrance, between adjacent described inclination stay bearing plate, be provided with an inclined carrying roller;
Two edger rolls, described in each, edger roll lower end is provided with vertical roll shaft; The right-hand member of the left end of described inclined beams one and described inclined beams two is respectively provided with an edger roll bar, and described in each, edger roll bar upper end is provided with an edger roll seat, and described vertical roll shaft is positioned at described edger roll seat.
Left, right, front and rear described herein, upper and lower all for the belt conveyor center downward regulating carrier roller front view of Fig. 1 in accompanying drawing hereinafter.
As the improvement of technique scheme, described entablatrance is that angle steel is made, and the slot part of described angle steel down; Described angle steel bottom and the junction that is positioned at described rotating shaft are provided with the support base that band steel is made, and described support base is provided with mounting hole, described rotating shaft upper end through described mounting hole site in the slot part of described angle steel.
Improvement as technique scheme, the bottom of described inclined beams one and described inclined beams two is respectively provided with a collet, described cross sill is provided with two roller mount that position corresponds respectively to two described collets, described in each, roller mount top is provided with roller, two described rollers support respectively two described collets and when described entablatrance rotates described in friction of rolling between roller and described collet bottom surface.
As the improvement of technique scheme, the middle part of two described collets is fixedly arranged on respectively the bottom of described inclined beams one and described inclined beams two, and the two ends of two described collets are all to being arranged with postive stop baffle.
As the improvement of technique scheme, described in each, in rotating shaft, be also provided with a bull stick, described bull stick be fixedly arranged on described rotating shaft and with described rotating shaft isogonism displacement rotating; Two described bull sticks that are arranged at two described rotating shafts are parallel to each other and the free end of two described bull sticks connects by connecting rod, and described connecting rod two ends connect with the free hinge ending connection of two described bull sticks respectively.
Improvement as technique scheme, described cross sill is that channel-section steel is made, and the slot part of described channel-section steel down, and the lower end of described rotating shaft is positioned at the slot part of described channel-section steel, and described bull stick is fixedly arranged on the lower end of described rotating shaft and is positioned at the slot part of described channel-section steel, and described connecting rod is also positioned at the slot part of described channel-section steel.
Compared with prior art, implementation result of the present invention is as follows in the present invention:
Belt conveyer Full automatic center up-regulating carrier roller group of the present invention, by the entablatrance of two each spinnings is set, thereby improved the automatic deviation correction ability of aligning carrier roller, even and belt deflection when too serious, can not cause aligning carrier roller to rotate dumb or transmission yet and lag behind; Thereby reduced to greatest extent the wearing and tearing of load-transfer device, avoided tearing of load-transfer device, improved the service life of load-transfer device; Fully played automatic deviation correction effect, had and prevent well load-transfer device operation sideslip effect.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of belt conveyer Full automatic center up-regulating carrier roller group of the present invention;
Fig. 2 is the bottom surface structure schematic diagram of belt conveyer Full automatic center up-regulating carrier roller group of the present invention;
Fig. 3 is the cross section structure for amplifying schematic diagram (unloading except flat idler and inclined carrying roller and roller mount and roller) at A-A place in Fig. 1.
The specific embodiment
Content of the present invention is described below in conjunction with specific embodiments.
As shown in Figure 1 to Figure 3, be belt conveyer Full automatic center up-regulating carrier roller group structural representation of the present invention.Belt conveyer Full automatic center up-regulating carrier roller group of the present invention, comprise: cross sill 1 and lay respectively at two entablatrances of described cross sill 1 top the right and left, the described entablatrance that is positioned at left side comprises the inclined beams 1 on the left side and the horizontal beam 1 on the right, and the left end height of described inclined beams 1 is higher than right-hand member height, the described entablatrance that is positioned at right side comprises the inclined beams 2 23 on the right and the horizontal beam 2 24 on the left side, and the left end height of described inclined beams 2 23 is lower than right-hand member height, the bottom of described horizontal beam 1 and described horizontal beam 2 24 is respectively provided with a rotating shaft 3, described cross sill 1 is provided with two axle beds 4 that position corresponds respectively to two described rotating shafts 3, two described rotating shafts 3 lay respectively in two described axle beds 4, some flat idlers 5, described in each, flat idler 5 is provided with flat idler axle, described horizontal beam 1 and described horizontal beam 2 24 are all vertically provided with some vertical stay bearing plates 6, described in each, vertically on stay bearing plate 6, are provided with for supporting the horizontal axial trough of described flat idler axle, described in each, on entablatrance, between adjacent described vertical stay bearing plate 6, be provided with a flat idler 5, some inclined carrying rollers 8, described in each, inclined carrying roller 8 is provided with inclined carrying roller axle, described inclined beams 1 and described inclined beams 2 23 are all vertical and be upwards provided with some inclination stay bearing plates 9, are provided with for supporting the inclination axial trough 7 of described inclined carrying roller axle described in each on the stay bearing plate 9 that tilts, described in each, on entablatrance, between adjacent described inclination stay bearing plate 9, be provided with an inclined carrying roller 8, two edger rolls 10, described in each, edger roll 10 lower ends are provided with vertical roll shaft, the right-hand member of the left end of described inclined beams 1 and described inclined beams 2 23 is respectively provided with an edger roll bar 11, and described in each, edger roll bar 11 upper ends are provided with an edger roll seat 12, and described vertical roll shaft is positioned at described edger roll seat 12.
Left, right, front and rear described herein, upper and lower all for the belt conveyer Full automatic center up-regulating carrier roller group front view of Fig. 1.By the entablatrance of two each spinnings is set, thereby improved the automatic deviation correction ability of aligning carrier roller, even and belt deflection when too serious, can not cause aligning carrier roller to rotate dumb or transmission yet and lag behind; Thereby reduced to greatest extent the wearing and tearing of load-transfer device, avoided tearing of load-transfer device, improved the service life of load-transfer device.
Further with improvement, described entablatrance is that angle steel is made, and the slot part of described angle steel down; Described angle steel bottom and the junction that is positioned at described rotating shaft 3 are provided with the support base 13 that band steel is made, and described support base 13 is provided with mounting hole, described rotating shaft 3 upper ends through described mounting hole site in the slot part of described angle steel.Described structure has that raw material is easy to get and cost is low, has good mechanical support intensity, and is convenient to the Assembly &Disassembly of described entablatrance.Again further with improvement, the bottom of described inclined beams 1 and described inclined beams 2 23 is respectively provided with a collet 14, described cross sill 1 is provided with two roller mount 15 that position corresponds respectively to two described collets 14, described in each roller mount 15 tops be provided with that 16, two described rollers 16 of roller support respectively two described collets 14 and when described entablatrance rotates described in friction of rolling between roller 16 and described collet 14 bottom surfaces.Described structure has entablatrance and rotates advantage flexibly, and the situation that transmission lags behind can not occur.Further with improvement, the middle part of two described collets 14 is fixedly arranged on respectively the bottom of described inclined beams 1 and described inclined beams 2 23, the two ends of two described collets 14 all further prevent that to being arranged with structure described in postive stop baffle 141 described entablatrance deflection amplitude is excessive effectively, thereby have improved the effect that aligning carrier roller prevents load-transfer device operation sideslip.
Further with improvement, described in each, in rotating shaft 3, be also provided with a bull stick 17, described bull stick 17 be fixedly arranged on described rotating shaft 3 and with described rotating shaft 3 isogonism displacement rotatings; Two described bull sticks 17 that are arranged at two described rotating shafts 3 are parallel to each other and the free end of two described bull sticks 17 connects by connecting rod 18, and described connecting rod 18 two ends connect with the free hinge ending connection of two described bull sticks 17 respectively.Described structure can make two described rotating shaft 3 angular transpositions such as grade rotate, and make two described entablatrances remain parallel, thereby better load-transfer device is formed and supported, and reduced the wearing and tearing of load-transfer device, avoid tearing of load-transfer device, improved the service life of load-transfer device.Again further with improvement, described cross sill 1 is made for channel-section steel, and the slot part of described channel-section steel down, and the lower end of described rotating shaft 3 is positioned at the slot part of described channel-section steel, and described bull stick 17 is fixedly arranged on the lower end of described rotating shaft 3 and is positioned at the slot part of described channel-section steel, and described connecting rod 18 is also positioned at the slot part of described channel-section steel.Described structure has that raw material is easy to get and cost is low, has good mechanical support intensity, and makes connecting rod 18 structures more compact and be convenient to the installation of described cross sill 1.
Above content is detailed description made for the present invention in conjunction with specific embodiments, can not assert that the concrete enforcement of the present invention only limits to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of protection of the invention.
Claims (6)
1. a belt conveyer Full automatic center up-regulating carrier roller group, is characterized in that, comprising:
A cross sill (1) and lay respectively at two entablatrances of described cross sill (1) top the right and left, the described entablatrance that is positioned at left side comprises the inclined beams one (21) on the left side and the horizontal beam one (22) on the right, and the left end height of described inclined beams one (21) is higher than right-hand member height, the described entablatrance that is positioned at right side comprises the inclined beams two (23) on the right and the horizontal beam two (24) on the left side, and the left end height of described inclined beams two (23) is lower than right-hand member height, the bottom of described horizontal beam one (22) and described horizontal beam two (24) is respectively provided with a rotating shaft (3), described cross sill (1) is provided with two axle beds (4) that position corresponds respectively to two described rotating shafts (3), two described rotating shafts (3) lay respectively in two described axle beds (4),
Some flat idlers (5), flat idler described in each (5) is provided with flat idler axle; Described horizontal beam one (22) and described horizontal beam two (24) are all vertically provided with some vertical stay bearing plates (6), described in each, vertically on stay bearing plate (6), are provided with for supporting the horizontal axial trough of described flat idler axle; Described in each, on entablatrance, between adjacent described vertical stay bearing plate (6), be provided with a flat idler (5);
Some inclined carrying rollers (8), inclined carrying roller described in each (8) is provided with inclined carrying roller axle; Described inclined beams one (21) and described inclined beams two (23) are all vertical and be upwards provided with some inclination stay bearing plates (9), are provided with for supporting the inclination axial trough (7) of described inclined carrying roller axle described in each on the stay bearing plate (9) that tilts; Described in each, on entablatrance, between adjacent described inclination stay bearing plate (9), be provided with an inclined carrying roller (8);
Two edger rolls (10), edger roll described in each (10) lower end is provided with vertical roll shaft; The right-hand member of the left end of described inclined beams one (21) and described inclined beams two (23) is respectively provided with an edger roll bar (11), and described in each, edger roll bar (11) upper end is provided with an edger roll seat (12), and described vertical roll shaft is positioned at described edger roll seat (12).
2. belt conveyer Full automatic center up-regulating carrier roller group as claimed in claim 1, is characterized in that, described entablatrance is that angle steel is made, and the slot part of described angle steel down; Described angle steel bottom and the junction that is positioned at described rotating shaft (3) are provided with the support base (13) that band steel is made, and described support base (13) is provided with mounting hole, described rotating shaft (3) upper end through described mounting hole site in the slot part of described angle steel.
3. belt conveyer Full automatic center up-regulating carrier roller group as claimed in claim 2, it is characterized in that, the bottom of described inclined beams one (21) and described inclined beams two (23) is respectively provided with a collet (14), described cross sill (1) is provided with two roller mount (15) that position corresponds respectively to two described collets (14), roller mount described in each (15) top is provided with roller (16), two described rollers (16) support respectively two described collets (14) and when described entablatrance rotates described in friction of rolling between roller (16) and described collet (14) bottom surface.
4. belt conveyer Full automatic center up-regulating carrier roller group as claimed in claim 3, it is characterized in that, the middle part of two described collets (14) is fixedly arranged on respectively the bottom of described inclined beams one (21) and described inclined beams two (23), and the two ends of two described collets (14) are all to being arranged with postive stop baffle (141).
5. belt conveyer Full automatic center up-regulating carrier roller group as claimed in claim 1, it is characterized in that, in rotating shaft described in each (3), be also provided with a bull stick (17), described bull stick (17) be fixedly arranged on described rotating shaft (3) and with described rotating shaft (3) isogonism displacement rotating; Two the described bull sticks (17) that are arranged at two described rotating shafts (3) are parallel to each other and the free end of two described bull sticks (17) connects by connecting rod (18), and described connecting rod (18) two ends connect with the free hinge ending connection of two described bull sticks (17) respectively.
6. belt conveyer Full automatic center up-regulating carrier roller group as claimed in claim 5, it is characterized in that, described cross sill (1) is made for channel-section steel, and the slot part of described channel-section steel down, the lower end of described rotating shaft (3) is positioned at the slot part of described channel-section steel, and described bull stick (17) is fixedly arranged on the lower end of described rotating shaft (3) and is positioned at the slot part of described channel-section steel, and described connecting rod (18) is also positioned at the slot part of described channel-section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695858.XA CN103640843B (en) | 2013-12-18 | 2013-12-18 | Ribbon conveyer Full automatic center up-regulating carrier roller group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695858.XA CN103640843B (en) | 2013-12-18 | 2013-12-18 | Ribbon conveyer Full automatic center up-regulating carrier roller group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640843A true CN103640843A (en) | 2014-03-19 |
| CN103640843B CN103640843B (en) | 2016-07-06 |
Family
ID=50246182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310695858.XA Active CN103640843B (en) | 2013-12-18 | 2013-12-18 | Ribbon conveyer Full automatic center up-regulating carrier roller group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103640843B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003140A (en) * | 2014-05-16 | 2014-08-27 | 眉山德鑫航空设备有限公司 | Automatic deviation correcting carrier roller set of belt conveyor |
| CN106829384A (en) * | 2016-08-08 | 2017-06-13 | 铜陵重钢机械装备有限公司 | The reversible aligning pop-up roller group of ribbon conveyer |
| CN107472807A (en) * | 2017-08-04 | 2017-12-15 | 苏州市力神起重运输机械制造有限公司 | A kind of lower self-centering idler group |
| CN107697589A (en) * | 2017-10-11 | 2018-02-16 | 南通航运职业技术学院 | A kind of power aligning carrier roller and its control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313741Y (en) * | 2008-10-08 | 2009-09-23 | 许褔宇 | Trough-shaped flat self-aligning roller of fully automatic belt conveyor |
| CN101948042A (en) * | 2010-09-14 | 2011-01-19 | 衡阳运输机械有限公司 | Two-way reversible carrier roller group capable of automatically regulating center upwards |
| CN201895911U (en) * | 2010-12-03 | 2011-07-13 | 重庆冶金机械制造厂 | Full-automatic aligning roller set |
| CN202609464U (en) * | 2011-11-16 | 2012-12-19 | 衡阳运输机械有限公司 | Upper automatically-aligning idler set using track friction |
| CN203143588U (en) * | 2013-03-25 | 2013-08-21 | 张建军 | Automatically-self-aligning carrier roller set |
| CN203652532U (en) * | 2013-12-18 | 2014-06-18 | 铜陵重钢机械装备有限公司 | Full-automatic upper aligning roller set of belt conveyor |
-
2013
- 2013-12-18 CN CN201310695858.XA patent/CN103640843B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313741Y (en) * | 2008-10-08 | 2009-09-23 | 许褔宇 | Trough-shaped flat self-aligning roller of fully automatic belt conveyor |
| CN101948042A (en) * | 2010-09-14 | 2011-01-19 | 衡阳运输机械有限公司 | Two-way reversible carrier roller group capable of automatically regulating center upwards |
| CN201895911U (en) * | 2010-12-03 | 2011-07-13 | 重庆冶金机械制造厂 | Full-automatic aligning roller set |
| CN202609464U (en) * | 2011-11-16 | 2012-12-19 | 衡阳运输机械有限公司 | Upper automatically-aligning idler set using track friction |
| CN203143588U (en) * | 2013-03-25 | 2013-08-21 | 张建军 | Automatically-self-aligning carrier roller set |
| CN203652532U (en) * | 2013-12-18 | 2014-06-18 | 铜陵重钢机械装备有限公司 | Full-automatic upper aligning roller set of belt conveyor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003140A (en) * | 2014-05-16 | 2014-08-27 | 眉山德鑫航空设备有限公司 | Automatic deviation correcting carrier roller set of belt conveyor |
| CN104003140B (en) * | 2014-05-16 | 2016-06-15 | 眉山德鑫航空设备股份有限公司 | Ribbon conveyer automatic deviation correction idler machining |
| CN106829384A (en) * | 2016-08-08 | 2017-06-13 | 铜陵重钢机械装备有限公司 | The reversible aligning pop-up roller group of ribbon conveyer |
| CN106829384B (en) * | 2016-08-08 | 2019-01-08 | 铜陵重钢机械装备有限公司 | The reversible aligning pop-up roller group of belt conveyor |
| CN107472807A (en) * | 2017-08-04 | 2017-12-15 | 苏州市力神起重运输机械制造有限公司 | A kind of lower self-centering idler group |
| CN107697589A (en) * | 2017-10-11 | 2018-02-16 | 南通航运职业技术学院 | A kind of power aligning carrier roller and its control method |
| CN107697589B (en) * | 2017-10-11 | 2023-11-24 | 南通航运职业技术学院 | Power aligning carrier roller and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103640843B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103640843A (en) | Upper full-automatic aligning idler set of belt conveyor | |
| CN203652532U (en) | Full-automatic upper aligning roller set of belt conveyor | |
| CN202163860U (en) | Roller bearing bracket for rubber belt conveyor | |
| CN109625834A (en) | A kind of energy-saving belt conveyor | |
| CN104670836A (en) | Conveying belt automatic deviation correction safe driving device | |
| CN204980035U (en) | Shell turn conveyer | |
| CN208868778U (en) | A kind of flat conveying device of coal mine | |
| CN202389885U (en) | Belt pressing device | |
| CN203652659U (en) | Full-automatic lower aligning roller set of belt conveyor | |
| CN103640865A (en) | Lower full-automatic aligning idler set of belt conveyor | |
| CN102491065B (en) | Roller unit with adjustable inclination angles | |
| CN202848542U (en) | Externally-arranged sliding plate type pressure relief dust-settling device | |
| CN208233998U (en) | Upper anti-bias roller frame assembly and belt conveyor | |
| CN203259004U (en) | Blank conveying roller way | |
| CN201614140U (en) | Automatic adjusting deviation of belt wheel conveyor idler frame | |
| CN211309825U (en) | Double-wheel belt pressing device of large-inclination-angle large belt conveyor | |
| CN104003105B (en) | Belt conveyer system for automatically correcting | |
| CN107472817A (en) | Material Large Copacity conveyer | |
| CN220501819U (en) | Material conveying belt convenient to disassemble and assemble | |
| CN110980124A (en) | Carrier roller mounting structure, carrier roller assembly and conveying device | |
| CN213801457U (en) | Heavy-load large-inclination-angle conveyor convex arc frame | |
| CN103662716A (en) | Arc feeding rubber belt machine | |
| CN208731923U (en) | A kind of transport establishment | |
| CN204872550U (en) | Rotatory belt feeder | |
| CN208882788U (en) | A kind of centre of gravity roller station and belt conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |