CN101830343A - Hollow roll for roller way - Google Patents
Hollow roll for roller way Download PDFInfo
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- CN101830343A CN101830343A CN 201010166877 CN201010166877A CN101830343A CN 101830343 A CN101830343 A CN 101830343A CN 201010166877 CN201010166877 CN 201010166877 CN 201010166877 A CN201010166877 A CN 201010166877A CN 101830343 A CN101830343 A CN 101830343A
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- roll body
- transmission side
- roller
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Abstract
The invention relates to a transportation roller way for sectional material processing, in particular to a hollow roll for a roller way. The hollow roll comprises a roll body (1), a driving side extremity piece (2), a driven side extremity piece (3), a driving side spindle head (6) and a driven side spindle head (8), wherein the driving side extremity piece (2) and the driven side extremity piece (3) are respectively located at two ends of the roll body (1) through grafting type coordination, and the roll body (1), the driving side extremity piece (2) and the driven side extremity piece (3) are detachably and fixedly connected into a whole; the grafting type coordination is formed by a plug (4) and a slot which are coordinated. The invention can realize the rapid maintenance of the roller way, improve the quality of the surface of a rolled piece, reduce the maintenance time, and increase the utilization ratio of a rolling production line and the yield of the sectional material. The replaced roll body is maintained offline and is not influenced by time and fields, which can ensure the quality of the maintained roll body and the surface thereof, thereby the roll consumption is reduced. The invention is suitable for various transportation roller ways.
Description
Technical field
The present invention relates to the conveyor roller of section bar processing, especially a kind of hollow roll that is used for roller-way.
Background technology
Conveyor roller is unusual the key link in section bar production, plays effects such as load-bearing, transportation.Aborning, rolled piece will cause wearing and tearing to the roller-way roller surfaces during by roller-way, and can cause great influence to the surface quality of section bar after the roller surfaces wearing and tearing, during, surface accuracy demanding section bar big in particular for quality such as transport heavy rollers.Present roller is generally hollow roll, is made up of roll body, transmission side extremity piece, slave end extremity piece, transmission side spindle nose, slave end spindle nose, and roll body is made by solid drawn pipe usually, is one by being welded to connect between each assembly.
At present, there are three kinds for roller-way worn-down settling mode: optimize roller material, laser surface treatment, artificial weld deposit repairing.Optimization roller material, laser surface treatment are the schemes that adopts when roller is made, and increase the hardness and the wear resisting property of roller surfaces; And in use only can partly carry out soldering by the mode pair of rollers surface abrasion of artificial built-up welding, and repair welding is carried out after the abrading section wearing depth acquires a certain degree usually, and during as 15～20mm, but quality of welding repair is not high, through regular meeting's scratch rolled piece.Simultaneously, roller-way worn-down phenomenon is present in whole production line, needs big, the soldering length consuming time of soldering roller quantity, and labor intensity of operating staff is big, is difficult to finish in the Maintenance and Repair cycle.With regard to Rail Production, the phenomenon of quite general existence wearing and tearing roller-way scratch rail in the product, and the production standard of present rail is more and more higher, is that domestic iron mark or external EM standard etc. all have high requirement to the surface quality of rail, thereby has lowered the lumber recovery of rail.
In addition, because the roller-way affected area is very concentrated, therefore also caused resource to waste greatly.With certain beam-and-rail factory employed roller-way of omnipotent line is example, its roller length is 1600mm, because the rolled piece width is 200～250mm, therefore the length of using when producing only is 200～250mm, take all factors into consideration rolled piece tapping out-of-position situation simultaneously, actual greatest wear width is 500～600mm, and scope only is (600/1600) * 100%=37.5% of roller-way length, and its waste degree has reached 62.5%.
Summary of the invention
Technical matters to be solved by this invention provides a kind of hollow roll that is used for roller-way that can change wearing and tearing roll surface, raising rolled piece surface quality fast, reduce maintenance time.
The technical solution adopted for the present invention to solve the technical problems is: the hollow roll that is used for roller-way, form by roll body, transmission side extremity piece, slave end extremity piece, transmission side spindle nose, slave end spindle nose, described transmission side extremity piece, slave end extremity piece are positioned the roll body two ends by the cooperation of pegging graft respectively, and roll body, transmission side extremity piece, slave end extremity piece three are connected as a single entity by detachable captive joint; Described grafting cooperates and is made up of plug that matches and slot.
The invention has the beneficial effects as follows: the wearing and tearing of roller-way roller mainly concentrate on roll body, therefore transmission side extremity piece, slave end extremity piece and transmission side spindle nose, slave end spindle nose still adopt welding fixing, roll body then cooperates guiding respectively, locatees fast with transmission side extremity piece, slave end extremity piece by pegging graft, and fixing by removably connecting.After the roll body wearing and tearing, by changing roll body, change the wearing and tearing roll surface fast, can realize the fast service of roller-way, improve the rolled piece surface quality, reduce maintenance time, increase the degree of utilization of rolling line, increase the lumber recovery of section bar.The roll body that is replaced is safeguarded by off-line, is not subjected to the influence in time, place, can guarantee to safeguard the quality on back roll body and surface thereof, has prolonged the service life of roll body, thereby reduces the roller consumption; When changing roll body, two ends extremity piece, spindle nose need not to change, and long service life greatly reduces maintenance cost.
In order to guarantee the support at roll body two ends, further, described plug is the column coaxial with roll body, and the plug cylinder is provided with at least one circumferential plane of orientation; The cavity cross section of described slot is consistent with the plug cross sectional shape; Described plug head face contacts with the slot bottom land or described slot end face contacts with the plug aft end face.
As a kind of preferred version, the cross section of described plug and slot is hexagon.
Further, described transmission side extremity piece, slave end extremity piece respectively by the grafting fitted shaft to being positioned the roll body two ends, described removably connecting is to pass the connecting rod that roll body and an end and transmission side extremity piece or transmission side spindle nose, the other end and slave end extremity piece or slave end spindle nose link to each other by the axial limiting structure.The power of connecting rod makes roll body produce distortional stress, improves Joint strenght.
For distribute surface with roll body of the distortional stress that guarantees roll body, described plug is arranged at the roll body two ends, and described slot is arranged at transmission side extremity piece and slave end extremity piece; Described slot end face contacts with the plug aft end face.
As a kind of preferred version, described connecting rod and transmission side extremity piece or transmission side spindle nose are fixed, are fixed by the bolt position limiting structure with slave end extremity piece or slave end spindle nose by the clamping position limiting structure.
Further, for guarantee upwards Joint strenght, the distortion of roll body week, distribution of stress evenly, described connecting rod is coaxial with roll body, and described slave end spindle nose is provided with the central through hole that matches with connecting rod, and the corresponding termination of described connecting rod passes the central through hole of slave end spindle nose and passes through bolt.
As a kind of preferred version, described transmission side extremity piece comprises shell ring and dividing plate, the through hole of described shell ring is spaced apart two parts by dividing plate, wherein near the slot of roll body one end for constituting by shell ring sidewall and dividing plate encirclement, the other end is for surrounding the transmission side spindle nose hold down groove that constitutes by shell ring sidewall and dividing plate, described transmission side spindle nose by former fixing with hold down groove in; Described clamping position limiting structure is made of the fixture block that is arranged at through hole on the dividing plate, is arranged at link end, and described through hole is consistent with the connecting rod cross section of fixture block position; Be provided with the gap of width between described former and the dividing plate greater than the fixture block axial width.
Further, in order to guarantee the tensile strength of dividing plate, described shell ring through hole is a stepped hole, and described dividing plate contacts spacing near roll body one side end face with stepped hole.
In order further to reduce the roller consumption, described roll body is spliced by the cylindrical shell that step patches cooperation by at least three joints, and described continuous barrier part is by step end face axial limiting, circumferentially spacing by the step cylinder.
Description of drawings
Fig. 1 is an axial cutaway view of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2, shown in Figure 3, the hollow roll that is used for roller-way of the present invention, form by roll body 1, transmission side extremity piece 2, slave end extremity piece 3, transmission side spindle nose 6, slave end spindle nose 8, described transmission side extremity piece 2, slave end extremity piece 3 are positioned roll body 1 two ends by the cooperation of pegging graft respectively, and roll body 1, transmission side extremity piece 2, slave end extremity piece 3 threes are connected as a single entity by detachable captive joint; Described grafting cooperates and is made up of the plug 4 and the slot that match.
The wearing and tearing of roller-way roller mainly concentrate on roll body 1, therefore transmission side extremity piece 2, slave end extremity piece 3 still adopt welding fixing with transmission side spindle nose 6, slave end spindle nose 8, roll body 1 then cooperates guiding respectively, locatees fast with transmission side extremity piece 2, slave end extremity piece 3 by pegging graft, and fixing by removably connecting.After roll body 1 wearing and tearing, by changing roll body 1, change the wearing and tearing roll surface fast, can realize the fast service of roller-way, improve the rolled piece surface quality, reduce maintenance time, increase the degree of utilization of rolling line, increase the lumber recovery of section bar.The roll body 1 that is replaced is safeguarded by off-line, is not subjected to the influence in time, place, can guarantee to safeguard the quality on back roll body 1 and surface thereof, has prolonged the service life of roll body 1, thereby reduces the roller consumption; When changing roll body 1, two ends extremity piece, spindle nose need not to change, and long service life greatly reduces maintenance cost.
Above-mentioned plug and socket can be a form arbitrarily, above-mentioned location can be only to cooperate by pegging graft to realize axial location, and by detachably be fixedly connected on realize realizing fixing the time circumferentially spacing, cooperating such as pegging graft is columniform plug and cooresponding cylindrical pocket, end face by plug and slot contacts spacing, be detachably connected as radially pass socket sidewalls and with the bolt of plug screw thread fit or the grab that cooperates by the inclined-plane, grab go into the operation of card direction and roller-way the time hollow roll direction of rotation; Also can be only to cooperate to realize circumferentially location by pegging graft, and realize axial limiting when realizing fixing by detachably being fixedly connected on, cooperating with roll body 1 through hole such as pegging graft is slot, plug be one with the consistent disk in roll body 1 through hole cross section, be detachably connected as along disk diameter to pass socket sidewalls and with the bolt of disc circumference screw thread fit.But only cooperate and realize axial location or axial location by pegging graft, when removably connecting fixedly, also need to adjust the relative position of roll body 1, transmission side extremity piece 2, slave end extremity piece 3, therefore best passing through pegged graft and cooperated the location of realizing axial and circumferential simultaneously.At this moment, pegging graft cooperates and can be made up of a plurality of straight pins and a plurality of circular hole, and removably connecting can be bolt equally.
Concrete, in order to guarantee the support strength at roll body 1 two ends, described plug 4 is columns coaxial with roll body 1, and plug 4 cylinders are provided with at least one circumferential plane of orientation; The cavity cross section of described slot is consistent with the plug cross sectional shape; Described plug 4 front end faces contact with the slot bottom land or described slot end face contacts with plug 4 aft end faces.Plug 4 and slot cooperate axial location by end face, circumferentially locate by circumferential plane of orientation.The end face that the front end face of described plug 4 is promptly adjacent with slot, aft end face are promptly away from slot one end and be positioned at the outer end face of cylinder.
Above-mentioned column can be made up of or two planes and two sections arc surfaces are formed or polygon post or other non-rotating arbitrarily scapus arbitrarily a plane and one section arc surface.But best, the cross section of described plug 4 and slot is hexagon, and the hexagon plug is compared anti-twisting property wall thickness good, that compare socket sidewalls with polygon below the hexagon and required little saving in material with the polygon more than the hexagon.
According to the difference of plug, inserting slot construction, removably connecting can be aforesaid bolt or grab, also can be flange that plug is snapped in slot etc.Best, described transmission side extremity piece 2, slave end extremity piece 3 respectively by the grafting fitted shaft to being positioned roll body 1 two ends, described removably connecting is to pass the connecting rod 5 that roll body 1 and an end and transmission side extremity piece 2 or transmission side spindle nose 6, the other end and slave end extremity piece 3 or slave end spindle nose 8 link to each other by the axial limiting structure.Compare with other type of attachment, according to the difference of plug, the spacing direction of slot axial location, tensile force by connecting rod or roof pressure masterpiece are used for the two ends extremity piece or spindle nose makes roll body produce distortional stress, form fixing in, improve Joint strenght.
Compare roof pressure power, tensile force causes roll body 1 pressurized can improve the rigidity of roll body 1, therefore best connecting rod 5 is a pull bar, the spacing direction of two ends extremity piece is the direction of pointing to roll body 1, best, described plug 4 is arranged at roll body 1 two ends, and described slot is arranged at transmission side extremity piece 2 and slave end extremity piece 3; Simultaneously for distribute surface with roll body 1 of the distortional stress that guarantees roll body 1, described slot end face contacts with plug 4 aft end faces.Simultaneously, plug 4 is arranged at roll body 1 two ends, can be directly sidewall by roll body 1 process, connecting rod 5 can pass between in the through hole of roll body 1, with respect to slot setting and roll body 1 also need be provided with the slot bottom land in roll body 1 through hole, roll body 1 processing is more simple, and the pressure resistance under connecting rod 5 stretching actions is better.
The axial limiting structure at connecting rod 5 two ends can be that the combination in any of grab, screw thread, bolt, wedge-shaped bolt or said structure is formed, and can also be other structure certainly.Connecting rod 5 is by roll body 1, transmission side extremity piece 2,3 tensions of slave end extremity piece, so connecting rod 5 two ends only need satisfy axial unidirectional spacing getting final product, and the spacing direction at two ends is relative.Best, described connecting rod 5 is fixed, is fixed by the bolt position limiting structure with slave end extremity piece 3 or slave end spindle nose 8 by the clamping position limiting structure with transmission side extremity piece 2 or transmission side spindle nose 6.Interface arrangment can guarantee that fast speed connects, and bolted connection can guarantee enough big tensile force, and both combinations can be satisfied the balance between the objectives.
Above-mentioned connecting rod 5 can be provided with many, guarantees that by through hole is set on slave end former 9 connecting rod 5 passes, but when being provided with many easily because the pulling force of each root connecting rod is inconsistent, cause roll body distortion, distribution of stress, Joint strenght inconsistent.Therefore best, described connecting rod 5 is coaxial with roll body 1, and described slave end spindle nose 8 is provided with the central through hole that matches with connecting rod 5, and described connecting rod 5 corresponding terminations pass the central through hole of slave end spindle nose 8 and pass through bolt.Accordingly, the through hole of following dividing plate 22 also is provided with and dividing plate 22 centers.
The clamping position limiting structure can be at slot bottom land welding hook, also can be that draw-in groove is set, and for the consideration of Joint strenght, draw-in groove is set preferably, and the fixture block on the connecting rod inserts the interior back of draw-in groove by rotation and spacing blocking, but draw-in groove processing is loaded down with trivial details.The processing of draw-in groove for convenience, further, described transmission side extremity piece 2 comprises shell ring 21 and dividing plate 22, the through hole of described shell ring 21 is spaced apart two parts by dividing plate 22, wherein near the slot of roll body 1 one ends for constituting by shell ring 21 sidewalls and dividing plate 22 encirclements, the other end is for surrounding transmission side spindle nose 6 hold down grooves that constitute by shell ring 21 sidewalls and dividing plate 22, described transmission side spindle nose 6 by transmission side former 7 fixing with hold down groove in; Described clamping position limiting structure is made of the fixture block 51 that is arranged at through hole on the dividing plate 22, is arranged at connecting rod 5 terminations, and described through hole is consistent with connecting rod 5 cross sections of fixture block 51 positions; Be provided with the gap 52 of width between described transmission side former 7 and the dividing plate 22 greater than fixture block 51 axial widths.Fixture block 51 penetrates gap 52 by slot one end by through hole, and is spacing fixing by dividing plate 22 by rotation.
Because the pressure of connecting rod is passed to roll body 1 by dividing plate 22, in order to guarantee the tensile strength of dividing plate 22, described shell ring 21 through holes are stepped hole, and described dividing plate 22 contacts spacing near roll body 1 one side end faces with stepped hole.
Slave end extremity piece 3 need not to be provided with draw-in groove, and slave end extremity piece 3 is an open column shape body, and slave end spindle nose 8 is fixed in the step through-hole of column by slave end former 9, and constitutes the bottom land of slot by slave end former 9.
Because wearing and tearing mainly concentrate on roll body 1 middle part, in order further to reduce the roller consumption, described roll body 1 is spliced by the cylindrical shell that step 11 patches cooperation by three joints, and described continuous barrier part is spacing by step 11 end face axial, circumferentially spacing by the step cylinder.The pulling force of connecting rod has guaranteed the leak-tight joint between each barrier part, and step has guaranteed the support of middle shell ring, only needs the barrier part at better middle part to get final product during replacing.And the barrier part at middle part also can adopt wear-resistant metal to make separately, under saving in material, cost-cutting, convenient prerequisite of making, guarantees the abrasion resistance properties of hollow roll.Can certainly be the above barrier parts of three joints, but barrier part too much be inconvenient to assemble and be reduced structural strength simultaneously.
Adopt the hollow roll made from existing hollow roll same material of the present invention to carry out engineering test, work after 45 days, the roll body wearing depth is 20mm, maintenance time is surveyed, existing hollow roll repair welding averaging time is 43 minutes, and the roll body of combined hollow roller of the present invention replacing time average is 20 minutes, has reduced the time that takies the very large soldering roller-way of ratio in maintenance, the maintenance intervals, the operating rate of saving manually and actv. is improved manufacturing line greatly.
Claims (10)
1. the hollow roll that is used for roller-way, form by roll body (1), transmission side extremity piece (2), slave end extremity piece (3), transmission side spindle nose (6), slave end spindle nose (8), it is characterized in that: described transmission side extremity piece (2), slave end extremity piece (3) are positioned roll body (1) two ends by the cooperation of pegging graft respectively, and roll body (1), transmission side extremity piece (2), slave end extremity piece (3) three are connected as a single entity by detachable captive joint; Described grafting cooperates and is made up of plug that matches (4) and slot.
2. the hollow roll that is used for roller-way as claimed in claim 1 is characterized in that: described plug (4) is and the coaxial column of roll body (1), and plug (4) cylinder is provided with at least one circumferential plane of orientation; The cavity cross section of described slot is consistent with the plug cross sectional shape; Described plug (4) front end face contacts with the slot bottom land or described slot end face contacts with plug (4) aft end face.
3. the hollow roll that is used for roller-way as claimed in claim 2 is characterized in that: the cross section of described plug (4) and slot is hexagon.
4. the hollow roll that is used for roller-way as claimed in claim 2, it is characterized in that: described transmission side extremity piece (2), slave end extremity piece (3) respectively by the grafting fitted shaft to being positioned roll body (1) two ends, described removably connecting is to pass the connecting rod (5) that roll body (1) and an end and transmission side extremity piece (2) or transmission side spindle nose (6), the other end and slave end extremity piece (3) or slave end spindle nose (8) link to each other by the axial limiting structure.
5. the hollow roll that is used for roller-way as claimed in claim 4 is characterized in that: described plug (4) is arranged at roll body (1) two ends, and described slot is arranged at transmission side extremity piece (2) and slave end extremity piece (3); Described slot end face contacts with plug (4) aft end face.
6. the hollow roll that is used for roller-way as claimed in claim 5 is characterized in that: described connecting rod (5) is fixed, is fixed by the bolt position limiting structure with slave end extremity piece (3) or slave end spindle nose (8) by the clamping position limiting structure with transmission side extremity piece (2) or transmission side spindle nose (6).
7. the hollow roll that is used for roller-way as claimed in claim 5, it is characterized in that: described connecting rod (5) is coaxial with roll body (1), described slave end spindle nose (8) is provided with the central through hole that matches with connecting rod (5), and the corresponding termination of described connecting rod (5) passes the central through hole of slave end spindle nose (8) and passes through bolt.
8. the hollow roll that is used for roller-way as claimed in claim 5, it is characterized in that: described transmission side extremity piece (2) comprises shell ring (21) and dividing plate (22), the through hole of described shell ring (21) is spaced apart two parts by dividing plate (22), be to surround the slot that constitutes wherein by shell ring (21) sidewall and dividing plate (22) near roll body (1) one end, the other end is to surround transmission side spindle nose (6) hold down groove that constitutes by shell ring (21) sidewall and dividing plate (22), described transmission side spindle nose (6) by transmission side former (7) fixing with hold down groove in; Described clamping position limiting structure is made of the fixture block (51) that is arranged at through hole on the dividing plate (22), is arranged at connecting rod (5) termination, and described through hole is consistent with connecting rod (5) cross section of fixture block (51) position; Be provided with the gap (52) of width between described transmission side former (7) and the dividing plate (22) greater than fixture block (51) axial width.
9. the hollow roll that is used for roller-way as claimed in claim 8 is characterized in that: described shell ring (21) through hole is a stepped hole, and described dividing plate (22) contacts spacing near roll body (1) one side end face with stepped hole.
10. as claim 5,6,7, the 8 or 9 described hollow rolls that are used for roller-way, it is characterized in that: described roll body (1) is spliced by the cylindrical shell that step (11) patches cooperation by at least three joints, and described continuous barrier part is spacing by step (11) end face axial, circumferentially spacing by the step cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166877XA CN101830343B (en) | 2010-05-10 | 2010-05-10 | Hollow roll for roller way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166877XA CN101830343B (en) | 2010-05-10 | 2010-05-10 | Hollow roll for roller way |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101830343A true CN101830343A (en) | 2010-09-15 |
| CN101830343B CN101830343B (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010166877XA Expired - Fee Related CN101830343B (en) | 2010-05-10 | 2010-05-10 | Hollow roll for roller way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101830343B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350878A (en) * | 2013-07-15 | 2013-10-16 | 青岛环球集团股份有限公司 | Large-scale heat-resisting conveying roller |
| CN103896034A (en) * | 2012-12-28 | 2014-07-02 | 深南电路有限公司 | Hollow rubber roller and manufacturing method of hollow rubber roller |
| CN106743296A (en) * | 2016-12-28 | 2017-05-31 | 武汉华星光电技术有限公司 | A kind of roller |
| CN108946038A (en) * | 2018-09-29 | 2018-12-07 | 瑞安市创博机械有限公司 | A kind of mechanical aluminium deflector roll |
| CN110155649A (en) * | 2019-05-17 | 2019-08-23 | 广东赛纳德智能装备有限公司 | A kind of aluminium section material oil-leakage-prevention transmission bracket |
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| JPH11239809A (en) * | 1998-02-25 | 1999-09-07 | Hitachi Ltd | Ceramic roll for rolling equipment, rolling mill and rolling method using the same |
| CN2585837Y (en) * | 2002-11-27 | 2003-11-12 | 黄绍华 | Glass fiber reinforced plastic idler roller for inner bearingsleeve of belt conveyer |
| CN1903462A (en) * | 2006-07-05 | 2007-01-31 | 初尔玉 | High hardness fracture-proof type roll able to quickly change its surface |
| WO2008019455A2 (en) * | 2006-08-14 | 2008-02-21 | Dimitar Nikolov Mirchev | Roller |
| CN201268505Y (en) * | 2008-08-19 | 2009-07-08 | 贾剑光 | Nano wear resistant ceramic idler roller for conveyor |
| CN201284120Y (en) * | 2008-08-30 | 2009-08-05 | 江苏天奇物流系统工程股份有限公司 | Drum for conveying |
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2010
- 2010-05-10 CN CN201010166877XA patent/CN101830343B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11239809A (en) * | 1998-02-25 | 1999-09-07 | Hitachi Ltd | Ceramic roll for rolling equipment, rolling mill and rolling method using the same |
| CN2585837Y (en) * | 2002-11-27 | 2003-11-12 | 黄绍华 | Glass fiber reinforced plastic idler roller for inner bearingsleeve of belt conveyer |
| CN1903462A (en) * | 2006-07-05 | 2007-01-31 | 初尔玉 | High hardness fracture-proof type roll able to quickly change its surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896034A (en) * | 2012-12-28 | 2014-07-02 | 深南电路有限公司 | Hollow rubber roller and manufacturing method of hollow rubber roller |
| CN103350878A (en) * | 2013-07-15 | 2013-10-16 | 青岛环球集团股份有限公司 | Large-scale heat-resisting conveying roller |
| CN106743296A (en) * | 2016-12-28 | 2017-05-31 | 武汉华星光电技术有限公司 | A kind of roller |
| CN108946038A (en) * | 2018-09-29 | 2018-12-07 | 瑞安市创博机械有限公司 | A kind of mechanical aluminium deflector roll |
| CN110155649A (en) * | 2019-05-17 | 2019-08-23 | 广东赛纳德智能装备有限公司 | A kind of aluminium section material oil-leakage-prevention transmission bracket |
| CN110155649B (en) * | 2019-05-17 | 2024-02-06 | 广东赛纳德智能装备有限公司 | Novel aluminium alloy leak protection oil transmission support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101830343B (en) | 2012-01-11 |
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Granted publication date: 20120111 Termination date: 20170510 |