CN108861330A - A kind of ore conveyer belt deviation correcting device - Google Patents

A kind of ore conveyer belt deviation correcting device Download PDF

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Publication number
CN108861330A
CN108861330A CN201810817878.2A CN201810817878A CN108861330A CN 108861330 A CN108861330 A CN 108861330A CN 201810817878 A CN201810817878 A CN 201810817878A CN 108861330 A CN108861330 A CN 108861330A
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CN
China
Prior art keywords
conveyer belt
deviation
edger roll
frame
carrier roller
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
Application number
CN201810817878.2A
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Chinese (zh)
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CN108861330B (en
Inventor
姚帆
姚一帆
戚栋
邹才超
钱伟民
万连环
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUZHOU XINKAIYUAN CRUSHED STONES CO Ltd
Original Assignee
HUZHOU XINKAIYUAN CRUSHED STONES CO Ltd
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Priority to CN201810817878.2A priority Critical patent/CN108861330B/en
Publication of CN108861330A publication Critical patent/CN108861330A/en
Application granted granted Critical
Publication of CN108861330B publication Critical patent/CN108861330B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10Arrangements of rollers
    • B65G39/12Arrangements of rollers mounted on framework
    • B65G39/16Arrangements of rollers mounted on framework for aligning belts or chains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60Arrangements for supporting or guiding belts, e.g. by fluid jets
    • B65G15/64Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

The invention discloses a kind of ore conveyer belt deviation correcting devices, including conveyer belt frame and multiple live-rollers, by multiple live-rollers around conveyer belt in conveyer belt frame, it further include upper and lower conveyer belt deviation correction mechanism, upper conveyor belt deviation correction mechanism includes deviation-rectifying bracket, deviation-adjusting carrier roller group and correction edger roll, deviation-adjusting carrier roller group upper end roll surface is used to support upper layer conveyer belt, and roll surface is for limiting upper layer conveyer belt or so offset on the inside of correction edger roll;Lower conveyer belt deviation correction mechanism includes lower deviation-rectifying bracket, deviation-adjusting carrier roller and lower correction edger roll, deviation-adjusting carrier roller upper end roll surface is used to support conveying belt of lower floor, roll surface is separately connected traction mechanism between upper conveyor belt deviation correction mechanism and lower conveyer belt deviation correction mechanism one end and conveyer belt frame for limiting conveying belt of lower floor or so offset on the inside of lower correction edger roll.Ore conveyer belt deviation correcting device of the invention effectively can carry out correction adjustment to the conveyer belt for conveying ore, and stable structure is reliable, reduce maintenance downtime, improve production efficiency.

Description

A kind of ore conveyer belt deviation correcting device
Technical field:
The present invention relates to ores lifting equipment technical field, in particular to a kind of ore conveyer belt deviation correcting device.
Background technique:
Ore conveyer belt is easily shaken in the process of running, and stability is poor, and there are inevitable sideslips to show for conveyer belt As, the generation of deviation phenomenon seriously affects conveyer belt direct motion, when the serious sideslip of conveyer belt, it is easy to damage conveyer belt, abrasion pair Belt drive roller is conveyed, or even building stones is caused to fall, there are installation problems, since the quality of material of ore conveyer belt transmission is heavier, Existing deviation correcting device cannot effective adjuster deviation phenomenon.
Summary of the invention:
The present invention provides a kind of ore conveyer belt deviation correcting device, solves ore conveyer belt sideslip in the prior art and be not easy The problem of adjusting.
Technology solution of the invention is as follows:A kind of ore conveyer belt deviation correcting device, includes conveyer belt frame and frame The multiple live-rollers being located in conveyer belt frame are surrounded with conveyer belt by multiple live-rollers in the conveyer belt frame, described Conveyer belt includes upper layer conveyer belt and conveying belt of lower floor, further includes having upper conveyor belt deviation correction mechanism and lower conveyer belt rectification machine Structure, the upper conveyor belt deviation correction mechanism include that deviation-rectifying bracket, deviation-adjusting carrier roller group and correction edger roll, the deviation-rectifying bracket can be rotated Be mounted on conveyer belt frame upper end, carrier roller frame is rotatably equipped on described deviation-rectifying bracket one end, is rotatably equipped on the other end Correction edger roll, the deviation-adjusting carrier roller group are rotatably mounted on carrier roller frame, and deviation-adjusting carrier roller group upper end roll surface is used to support Upper layer conveyer belt, the correction edger roll inside roll surface is for limiting upper layer conveyer belt or so offset;The lower conveyer belt rectification machine Structure includes lower deviation-rectifying bracket, deviation-adjusting carrier roller and lower correction edger roll, and the lower deviation-rectifying bracket is rotatably mounted on conveying belt machine Frame lower end is rotatably equipped with flat idler frame on described lower deviation-rectifying bracket one end, lower correction edger roll is rotatably equipped on the other end, The deviation-adjusting carrier roller is rotatably mounted on flat idler frame, and deviation-adjusting carrier roller upper end roll surface is used to support lower layer's conveying Band, the lower correction edger roll inside roll surface is for limiting conveying belt of lower floor or so offset, and the upper conveyor belt deviation correction mechanism is under Traction mechanism is connected separately between conveyer belt deviation correction mechanism one end and conveyer belt frame.
Preferably, the deviation-rectifying bracket includes two groups, the deviation-rectifying bracket includes bending arm, the two bending arms It is rotatably installed in conveyer belt frame respectively at center by the shaft being vertically arranged, the two horizontal sleeves in bending arm one end There is extension rod, passes through the shaft being vertically arranged on the other end of the two bending arms and be rotatablely connected carrier roller frame, the extension rod edge Upper layer conveyer belt direction of transfer extends, and the casing of oblique upper layer conveyer belt two sides is fixed on the extension rod elongated end, described Sleeve is fixed with edger roll bar in casing, edger roll bar upper end installation correction edger roll, the two correction edger roll roll surfaces respectively with it is upper Layer conveyer belt two sides mutually recline.
Preferably, multiple mutually matched screw holes are offered on the extension rod and bending arm, described extension rod one end At the screw hole being fixed on bending arm by bolt limit, multiple mutually matched spiral shells are offered on the edger roll bar and casing Hole, edger roll bar one end are fixed in casing by bolt and screw hole limit.
Preferably, the carrier roller frame is the shape of a saddle, the deviation-adjusting carrier roller group includes the water matched with carrier roller frame Flat carrier roller and two oblique idlers.
Preferably, the lower deviation-rectifying bracket includes two groups, the lower deviation-rectifying bracket includes lower bending arm, described in two Conveyer belt frame lower end, the two lower bending arms one are rotatably installed in by the shaft being vertically arranged respectively at lower bending arm center It holds equal level to be inserted with lower extension rod, it is horizontal to pass through the shaft rotation connection being vertically arranged on the other end of the two lower bending arms Carrier roller frame, the lower extension rod extend along the direction of transfer of conveying belt of lower floor, are fixed with court on the elongated end of the lower extension rod To the casing of conveying belt of lower floor two sides, sleeve is fixed with lower edger roll bar in described sleeve pipe, entangles under the lower edger roll bar upper end installation Inclined edger roll, the two lower correction edger roll roll surfaces mutually recline with conveying belt of lower floor two sides respectively.
Preferably, the traction mechanism is wiring connector, the traction mechanism includes connector body, the company Connect device ontology both ends and be bolted with long bolt respectively, the two long bolt outer ends be fixedly connected with edger roll bar and conveyer belt frame or The steel wire that lower edger roll bar and conveyer belt frame are fixed.
The beneficial effects of the present invention are:Ore conveyer belt deviation correcting device of the invention can effectively to conveying ore conveying Band carries out correction adjustment, and stable structure is reliable, reduces maintenance downtime, improves production efficiency.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of upper conveyor belt deviation correction mechanism 4 and lower conveyer belt deviation correction mechanism 5 in the present invention.
In figure:1, conveyer belt frame;2, upper layer conveyer belt;3, conveying belt of lower floor;4, upper conveyor belt deviation correction mechanism;4-1, it entangles Inclined bracket;4-11, bending arm;4-12, extension rod;4-13, edger roll bar;4-2, deviation-adjusting carrier roller group;4-3, correction edger roll;4-4, support Roller frame;5, lower conveyer belt deviation correction mechanism;5-1, lower deviation-rectifying bracket;5-2, deviation-adjusting carrier roller;5-3, lower correction edger roll;5-4, horizontal support Roller frame;5-11, lower bending arm;5-12, lower extension rod;5-13, lower edger roll bar;6, traction mechanism.
Specific embodiment:
In conjunction with a kind of 1 pair of attached drawing ore conveyer belt deviation correcting device of the invention, it is described further.
A kind of ore conveyer belt deviation correcting device of the invention includes conveyer belt frame 1 and is erected in conveyer belt frame 1 Multiple live-rollers, be surrounded with conveyer belt by multiple live-rollers in conveyer belt frame 1, conveyer belt includes upper layer conveyer belt 2 It further include having upper conveyor belt deviation correction mechanism 4 and lower conveyer belt deviation correction mechanism 5 with conveying belt of lower floor 3, upper conveyor belt deviation correction mechanism 4 It include that deviation-rectifying bracket 4-1, deviation-adjusting carrier roller group 4-2 and correction edger roll 4-3, deviation-rectifying bracket 4-1 are rotatably mounted on conveyer belt 1 upper end of rack is rotatably equipped with carrier roller frame 4-4 on the one end deviation-rectifying bracket 4-1, and correction edger roll 4-3 is rotatably equipped on the other end, Deviation-adjusting carrier roller group 4-2 is rotatably mounted on carrier roller frame 4-4, and the upper end deviation-adjusting carrier roller group 4-2 roll surface is used to support upper layer conveying Band 2, correction edger roll 4-3 inside roll surface is for limiting the offset of upper layer conveyer belt 2 or so;Under lower conveyer belt deviation correction mechanism 5 includes Deviation-rectifying bracket 5-1, deviation-adjusting carrier roller 5-2 and lower correction edger roll 5-3, lower deviation-rectifying bracket 5-1 are rotatably mounted on conveyer belt frame 1 Lower end is rotatably equipped with flat idler frame 5-4 on lower one end deviation-rectifying bracket 5-1, lower correction edger roll is rotatably equipped on the other end 5-3, deviation-adjusting carrier roller 5-2 are rotatably mounted on flat idler frame 5-4, and the upper end deviation-adjusting carrier roller 5-2 roll surface is used to support lower layer Conveyer belt 3, lower correction edger roll 5-3 inside roll surface is for limiting the offset of conveying belt of lower floor 3 or so, 4 He of upper conveyor belt deviation correction mechanism Traction mechanism 6 is connected separately between 5 one end of lower conveyer belt deviation correction mechanism and conveyer belt frame 1.
Further, deviation-rectifying bracket 4-1 includes two groups, and deviation-rectifying bracket 4-1 includes bending arm 4-11, two bending arm 4- It is rotatably installed in conveyer belt frame 1 respectively at 11 centers by the shaft being vertically arranged, two one end bending arm 4-11 are horizontal It is inserted with extension rod 4-12, passes through the shaft being vertically arranged on the other end of two bending arm 4-11 and is rotatablely connected carrier roller frame 4-4, prolong Boom 4-12 extends along 2 direction of transfer of upper layer conveyer belt, is fixed with oblique 2 two sides of upper layer conveyer belt on extension rod 4-12 elongated end Casing, sleeve is fixed with edger roll bar 4-13, the installation correction of the edger roll upper end bar 4-13 edger roll 4-3, two correction edger roll 4-3 in casing Roll surface mutually reclines with 2 two sides of upper layer conveyer belt respectively.
Further, multiple mutually matched screw holes, extension rod 4-12 are offered on extension rod 4-12 and bending arm 4-11 One end is limited at the screw hole being fixed on bending arm 4-11 by bolt, offers multiple phase interworkings on edger roll bar 4-13 and casing The screw hole of conjunction, edger roll one end bar 4-13 are fixed in casing by bolt and screw hole limit.
Further, carrier roller frame 4-4 is the shape of a saddle, and deviation-adjusting carrier roller group 4-2 includes the water matched with carrier roller frame 4-4 Flat carrier roller and two oblique idlers.
Further, lower deviation-rectifying bracket 5-1 includes two groups, and lower deviation-rectifying bracket 5-1 includes lower bending arm 5-11, under two 1 lower end of conveyer belt frame, two lower bending arm 5- are rotatably installed in by the shaft being vertically arranged respectively at the center bending arm 5-11 The equal level in 11 one end is inserted with lower extension rod 5-12, is rotated on the other end of two lower bending arm 5-11 by the shaft being vertically arranged Flat idler frame 5-4 is connected, lower extension rod 5-12 extends along the direction of transfer of conveying belt of lower floor 3, the extension of lower extension rod 5-12 The casing towards 3 two sides of conveying belt of lower floor is fixed on end, sleeve is fixed with lower edger roll bar 5-13, lower edger roll bar 5-13 in casing The lower edger roll 5-3 that rectifies a deviation of upper end installation, two lower correction edger roll 5-3 roll surfaces mutually recline with 3 two sides of conveying belt of lower floor respectively.
Further, traction mechanism 6 is wiring connector, and traction mechanism 6 includes connector body, connector body two End is bolted with long bolt respectively, and two long bolt outer ends are fixedly connected with and edger roll bar 4-13 and conveyer belt frame 1 or lower edger roll bar The steel wire that 5-13 and conveyer belt frame 1 are fixed.
The working principle of the invention is:Conveyer belt run when, building stones by upper layer conveyer belt 2 convey, carrier roller frame 4-4 for The shape of a saddle that upper layer conveyer belt 2 matches, correction while, effectively prevent building stones to fall, transmission process at the middle and upper levels conveyer belt 2 to Side offset, by adjust traction mechanism 6 make deviation-rectifying bracket 4-1 drive deviation-adjusting carrier roller group 4-2 and correction edger roll 4-3 direction with it is upper Layer conveyer belt 2 deviates opposite side rotation, by adjust traction mechanism 6 make lower deviation-rectifying bracket 5-1 drive deviation-adjusting carrier roller 5-2 and under The edger roll 5-3 that rectifies a deviation is rotated towards with the offset opposite side of conveying belt of lower floor 3, is adjusted reliable effective.
The foregoing is merely presently preferred embodiments of the present invention, and those of ordinary skill in the art are not making creative work Under the premise of every other embodiment obtained, should fall within the scope of the present invention.

Claims (6)

1. a kind of ore conveyer belt deviation correcting device includes conveyer belt frame (1) and is erected at multiple on conveyer belt frame (1) Live-roller, is surrounded with conveyer belt by multiple live-rollers on the conveyer belt frame (1), and the conveyer belt includes upper layer conveying Band (2) and conveying belt of lower floor (3), it is characterised in that:It further include having upper conveyor belt deviation correction mechanism (4) and lower conveyer belt deviation correction mechanism (5), the upper conveyor belt deviation correction mechanism (4) includes deviation-rectifying bracket (4-1), deviation-adjusting carrier roller group (4-2) and correction edger roll (4- 3), the deviation-rectifying bracket (4-1) is rotatably mounted on conveyer belt frame (1) upper end, turns on described deviation-rectifying bracket (4-1) one end It is dynamic to be equipped with carrier roller frame (4-4), correction edger roll (4-3) is rotatably equipped on the other end, the deviation-adjusting carrier roller group (4-2) can be rotated Be mounted on carrier roller frame (4-4), deviation-adjusting carrier roller group (4-2) upper end roll surface is used to support upper layer conveyer belt (2), described to entangle Roll surface is for limiting the offset of upper layer conveyer belt (2) left and right on the inside of inclined edger roll (4-3);The lower conveyer belt deviation correction mechanism (5) includes There are lower deviation-rectifying bracket (5-1), deviation-adjusting carrier roller (5-2) and lower correction edger roll (5-3), the lower deviation-rectifying bracket (5-1) is rotatable It is mounted on conveyer belt frame (1) lower end, is rotatably equipped with flat idler frame (5-4) on described lower deviation-rectifying bracket (5-1) one end, separately Lower correction edger roll (5-3) is rotatably equipped on one end, the deviation-adjusting carrier roller (5-2) is rotatably mounted on flat idler frame (5- 4) on, deviation-adjusting carrier roller (5-2) upper end roll surface is used to support conveying belt of lower floor (3), lower correction edger roll (5-3) inner roller Face is for limiting the offset of conveying belt of lower floor (3) left and right, the upper conveyor belt deviation correction mechanism (4) and lower conveyer belt deviation correction mechanism (5) Traction mechanism (6) are connected separately between one end and conveyer belt frame (1).
2. ore conveyer belt deviation correcting device according to claim 1, it is characterised in that:The deviation-rectifying bracket (4-1) includes There are two groups, the deviation-rectifying bracket (4-1) includes bending arm (4-11), passes through at two bending arm (4-11) centers and sets vertically The shaft set is rotatably installed in respectively on conveyer belt frame (1), and the two equal levels in described bending arm (4-11) one end are inserted with extension Bar (4-12) passes through shaft rotation connection carrier roller frame (4-4) being vertically arranged, institute on the other end of the two bending arms (4-11) It states extension rod (4-12) to extend along upper layer conveyer belt (2) direction of transfer, be fixed on extension rod (4-12) elongated end oblique The casing of upper layer conveyer belt (2) two sides, sleeve is fixed with edger roll bar (4-13) in described sleeve pipe, edger roll bar (4-13) upper end Installation correction edger roll (4-3), two correction edger roll (4-3) roll surfaces mutually recline with upper layer conveyer belt (2) two sides respectively.
3. ore conveyer belt deviation correcting device according to claim 2, it is characterised in that:The extension rod (4-12) and bending Multiple mutually matched screw holes are offered on arm (4-11), described extension rod one end (4-12) is fixed on bending by bolt limit At screw hole on arm (4-11), multiple mutually matched screw holes, the edger roll are offered on the edger roll bar (4-13) and casing Bar one end (4-13) is fixed in casing by bolt and screw hole limit.
4. ore conveyer belt deviation correcting device according to claim 1, it is characterised in that:The carrier roller frame (4-4) is saddle Shape, the deviation-adjusting carrier roller group (4-2) include the flat idler and two oblique idlers matched with carrier roller frame (4-4).
5. ore conveyer belt deviation correcting device according to claim 1, it is characterised in that:Lower deviation-rectifying bracket (5-1) packet Two groups are included, the lower deviation-rectifying bracket (5-1) includes lower bending arm (5-11), is led at two lower bending arm (5-11) centers It crosses the shaft being vertically arranged and is rotatably installed in conveyer belt frame (1) lower end, two lower bending arm (5-11) one end Jun Shui respectively Plug flat is cased with lower extension rod (5-12), is connected on the other end of the two lower bending arms (5-11) by the shaft rotation being vertically arranged Water receiving lifts roller frame (5-4), and the lower extension rod (5-12) extends along the direction of transfer of conveying belt of lower floor (3), the lower extension The casing towards conveying belt of lower floor (3) two sides is fixed on the elongated end of bar (5-12), sleeve is fixed with lower vertical in described sleeve pipe Roller bar (5-13), the lower edger roll bar upper end (5-13) installation is lower to rectify a deviation edger roll (5-3), two lower correction edger roll (5-3) rollers Face mutually reclines with conveying belt of lower floor (3) two sides respectively.
6. ore conveyer belt deviation correcting device described according to claim 1 or 2 or 5, it is characterised in that:The traction mechanism (6) For wiring connector, the traction mechanism (6) includes connector body, and the connector body both ends are bolted with long spiral shell respectively Bar, the two long bolt outer ends be fixedly connected with edger roll bar (4-13) and conveyer belt frame (1) or lower edger roll bar (5-13) and The fixed steel wire of conveyer belt frame (1).
CN201810817878.2A 2018-07-20 2018-07-20 Ore conveyer belt deviation correcting device Active CN108861330B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810817878.2A CN108861330B (en) 2018-07-20 2018-07-20 Ore conveyer belt deviation correcting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810817878.2A CN108861330B (en) 2018-07-20 2018-07-20 Ore conveyer belt deviation correcting device

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Publication Number Publication Date
CN108861330A true CN108861330A (en) 2018-11-23
CN108861330B CN108861330B (en) 2020-05-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369213A (en) * 2019-07-08 2019-10-25 福莱特玻璃集团股份有限公司 A kind of roller coating mechanism arrangement

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Publication number Priority date Publication date Assignee Title
JP2003128218A (en) * 2001-10-30 2003-05-08 Mitsubishi Materials Corp Rise preventive device of conveyor belt
CN201043085Y (en) * 2007-06-25 2008-04-02 卢峰 Mechanical transmission type automatic error correcting device
CN202897448U (en) * 2012-10-22 2013-04-24 武汉鑫利维新机电设备制造有限公司 Belt conveyor automatic rectifying corrector
CN203079177U (en) * 2012-12-20 2013-07-24 凯盛重工有限公司 Lower-deviation adjusting H-frame
CN203127614U (en) * 2013-02-27 2013-08-14 淮北合众机械设备有限公司 Automatic skew adjustment device with double four-connecting-rods
CN203581888U (en) * 2013-12-05 2014-05-07 武汉钢铁(集团)公司 Deviation rectifying device of belt conveyer
CN203959122U (en) * 2013-12-31 2014-11-26 贵州宏狮煤机制造有限公司 A kind of conveyer deviation correcting device
CN204587969U (en) * 2014-12-26 2015-08-26 内蒙古包钢钢联股份有限公司 Prevent the device of belt deviation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003128218A (en) * 2001-10-30 2003-05-08 Mitsubishi Materials Corp Rise preventive device of conveyor belt
CN201043085Y (en) * 2007-06-25 2008-04-02 卢峰 Mechanical transmission type automatic error correcting device
CN202897448U (en) * 2012-10-22 2013-04-24 武汉鑫利维新机电设备制造有限公司 Belt conveyor automatic rectifying corrector
CN203079177U (en) * 2012-12-20 2013-07-24 凯盛重工有限公司 Lower-deviation adjusting H-frame
CN203127614U (en) * 2013-02-27 2013-08-14 淮北合众机械设备有限公司 Automatic skew adjustment device with double four-connecting-rods
CN203581888U (en) * 2013-12-05 2014-05-07 武汉钢铁(集团)公司 Deviation rectifying device of belt conveyer
CN203959122U (en) * 2013-12-31 2014-11-26 贵州宏狮煤机制造有限公司 A kind of conveyer deviation correcting device
CN204587969U (en) * 2014-12-26 2015-08-26 内蒙古包钢钢联股份有限公司 Prevent the device of belt deviation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369213A (en) * 2019-07-08 2019-10-25 福莱特玻璃集团股份有限公司 A kind of roller coating mechanism arrangement

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