CN113562403A - Chain wheel tensioning device for chain type hoist - Google Patents
Chain wheel tensioning device for chain type hoist Download PDFInfo
- Publication number
- CN113562403A CN113562403A CN202110984504.1A CN202110984504A CN113562403A CN 113562403 A CN113562403 A CN 113562403A CN 202110984504 A CN202110984504 A CN 202110984504A CN 113562403 A CN113562403 A CN 113562403A
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- chain
- chain wheel
- adjusting
- tensioning device
- hole
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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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
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a chain wheel tensioning device for a chain type lifter, which comprises two mounting seats arranged in front and at the back, wherein a guide groove with an upward opening is arranged in the middle of each mounting seat, a sliding block capable of being adjusted in a lifting way is arranged on the inner side of each guide groove, guide strips for guiding the sliding block are arranged on two sides of the inner side of each guide groove, a rotating shaft is arranged between the front sliding block and the back sliding block, two cylindrical roller bearings are arranged on the rotating shaft, chain wheels are fixedly sleeved on the outer sides of the two cylindrical roller bearings, when the chain wheels work, the chain wheels are adjusted in a lifting way through the sliding blocks capable of being adjusted in a lifting way, so that the chain is tensioned and adjusted more conveniently, meanwhile, the stroke range of tensioning and adjusting the chain is further enlarged through adjusting the height of the whole chain wheel through an adjusting base, and meanwhile, the arranged cylindrical bearings replace the traditional copper sleeves, so that the chain wheel tensioning device has a better anti-wear effect, the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of chain hoists, in particular to a chain wheel tensioning device for a chain hoist.
Background
The equipment is arranged on a bar production line on a platform of 5 meters, a hot-delivery billet is lifted to a position of +5.8m elevation by a chain type lifter at the position of +0.8m elevation, and then is conveyed into a heating furnace for heating by a furnace roller way.
The applicant of the invention finds that the driven chain wheel copper sleeve of the existing chain type elevator is fast in abrasion, spare parts are high in consumption, if the copper sleeve is not replaced in time after being seriously abraded, the driven chain wheel can incline, further the chain and the driven chain wheel are separated, the tensioning stroke of the tensioning device is small, when the abrasion loss of the chain reaches a certain degree, the tensioning device can not effectively tension the chain any more, the chain must be replaced at the moment, the consumption of the chain is high, and meanwhile, the tensioning adjustment of the tensioning device is inconvenient.
Disclosure of Invention
The invention aims to provide a chain wheel tensioning device for a chain type elevator, and aims to solve the problems that a driven chain wheel copper sleeve of the conventional chain type elevator is fast in abrasion, the tensioning stroke of the tensioning device is small, and tensioning adjustment is inconvenient.
The invention is realized by the following steps:
a chain wheel tensioning device for a chain type hoist comprises two mounting seats arranged in front and back, wherein a guide groove with an upward opening is formed in the middle of each mounting seat, a sliding block capable of being adjusted in a lifting mode is mounted on the inner side of the guide groove, guide strips for guiding the sliding block are arranged on two sides of the inner side of the guide groove, a rotating shaft is arranged between the front sliding block and the rear sliding block, two cylindrical roller bearings are arranged on the rotating shaft, a chain wheel is fixedly sleeved on the outer sides of the two cylindrical roller bearings, the lower ends of the front mounting seat and the rear mounting seat are mounted and fixed on a base, an adjusting base for adjusting the height of the base is arranged at the lower end of the base, when the chain wheel works, the chain wheel is adjusted in a lifting mode through the sliding block capable of being adjusted in a lifting mode, so that the tensioning adjustment of a chain is achieved, the tensioning adjustment is more convenient, and meanwhile, the stroke range of the chain tensioning adjustment is further adjusted through the adjustment of the height of the whole chain wheel through the adjusting base, meanwhile, the traditional copper sleeve is replaced by the arranged cylindrical roller bearing, so that the wear-resistant effect is better, and the service life is prolonged.
Furthermore, an adjusting screw rod is vertically screwed and inserted in the sliding block in a penetrating manner, the upper end of the adjusting screw rod is in transmission connection with an adjusting head installed on a top plate, the top plate is fixed at the upper end of the installation seat, and the adjusting screw rod is driven to rotate by rotating the adjusting head so as to drive the sliding block to lift and adjust.
Furthermore, the upper end of the adjusting screw rod is provided with a square socket, the lower end of the adjusting screw rod is provided with a convex cylindrical plug, the lower end of the cylindrical plug is inserted on the bottom edge of the lower end of the mounting seat, the adjusting screw rod is inserted on the bottom edge through the cylindrical plug to realize position limitation, and the adjusting screw rod is in transmission connection with the adjusting head through the socket.
Further, adjust the head including alternate the dwang on the roof, the lower extreme of dwang is provided with assigns into the square connecting plug in the socket, and the dwang is close to the one end of connecting plug and is provided with the retaining ring, and the position that the dwang is located the upside of roof is provided with the detachable turning handle, and the regulation head assigns into through connecting plug and realizes being connected with the regulation lead in the socket to realize the rotation to the regulation head through the turning handle.
Furthermore, a sleeve hole is formed in the center of the rotating handle, a square sleeve head matched with the sleeve hole is arranged at the upper end of the rotating rod, a compression screw is fixedly screwed at the upper end of the sleeve head after penetrating through the sleeve hole, and the rotating handle is sleeved on the sleeve head through the sleeve hole and is compressed and fixed through the compression screw.
Furthermore, a locking screw is screwed on the rotating handle in a penetrating manner, a sunk groove matched with the head of the locking screw is formed in the upper surface of the rotating handle, and the rotating handle is prevented from rotating and fixed after being adjusted by tightly pushing the locking screw on the top plate.
Furthermore, the slide block is provided with an installing and rotating hole matched with the rotating shaft, the slide block is further provided with a threaded hole matched with the adjusting screw rod, the rotating shaft is installed through the arranged installing hole, and the adjusting and matching with the adjusting screw rod are achieved through the threaded hole.
Further, adjust the base and include the mounting panel, the lower extreme of base is provided with the bottom plate, the bottom plate is close to the equal vertical interlude of four corners and has the guide post, and the lower extreme of guide post is fixed on the mounting panel, the equal vertical wrong interlude of twisting of middle part of both sides has adjusting screw around being close to of bottom plate, and adjusting screw's lower extreme and the rotatable fixed connection of mounting panel, the lift direction to the bottom plate is realized through the guide post that sets up, and adjust the bottom plate through adjusting screw, thereby the realization is to the regulation of base.
Further, be provided with the cover between two cylindrical roller bearings and change epaxial interior spacing ring, and the outside of interior spacing ring is provided with the outer spacing ring of card in the sprocket hole, the both ends of sprocket hole all are provided with the fender lid, the pivot is located the both sides position of sprocket and all overlaps and is equipped with the distance ring, realize spacing to the distance between the cylindrical roller bearing of both sides through interior spacing ring and the outer spacing ring that sets up to carry out spacing assurance its job stabilization nature to the position of whole sprocket through the distance ring.
Furthermore, an oil cavity is arranged between the outer limiting ring and the inner limiting ring, an oil duct is arranged at the center of the rotating shaft and communicated with the oil cavity, a through hole is formed in the inner limiting ring, lubricating oil is added through the oil duct, and the lubricating oil is divided into two flows through the oil cavity to lubricate the cylindrical roller bearing.
Compared with the prior art, the invention has the beneficial effects that:
at the sprocket during operation, thereby realize the tensioning of chain to sprocket lift adjustment through the slider that can carry out lift adjustment and adjust, the tensioning is adjusted more convenience, and the stroke scope to the adjustment of chain tensioning is further strengthened to the regulation of the height of whole sprocket through adjusting the base simultaneously, replaces traditional copper sheathing through the cylindrical roller bearing that sets up simultaneously, has better abrasionproof and decreases effect, increase of service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a front view of a chain hoist sprocket tensioning device of the present invention;
FIG. 2 is a schematic view of the adjuster screw of the chain tensioner of the present invention;
FIG. 3 is a schematic view of an adjustment head of a sprocket tensioning device for a chain hoist according to the present invention;
FIG. 4 is a schematic view of the stem of a sprocket tensioning device for a chain hoist of the present invention;
FIG. 5 is a schematic view of a slide block of a chain hoist sprocket tensioning device of the present invention;
FIG. 6 is a schematic view of an adjustment base of a sprocket tensioning device for a chain hoist of the present invention;
FIG. 7 is a sprocket schematic of a sprocket tensioning device for a chain hoist of the present invention;
fig. 8 is a partial schematic view of a sprocket tensioning device for a chain hoist of the present invention.
In the figure: 1. a base; 110. a base plate; 2. a mounting seat; 21. a bottom edge; 3. a rotating shaft; 31. mounting holes; 32. a threaded hole; 4. a top plate; 5. a sprocket; 6. an adjustment head; 61. a compression screw; 62. a handle is rotated; 621. trepanning; 622. sinking a groove; 623. locking screws; 63. rotating the rod; 64. a retainer ring; 65. a connecting plug; 66. sleeving heads; 7. a slider; 8. a guide strip; 9. adjusting the screw rod; 91. a socket; 92. a cylindrical plug; 10. adjusting the base; 101. mounting a plate; 102. adjusting screws; 103. a guide post; 11. a distance ring; 12. a blocking cover; 13. an outer limit ring; 14. a cylindrical roller bearing; 15. an oil passage; 16. an inner limiting ring; 17. an oil chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Embodiment 1, referring to fig. 1, 2, 5 and 7, a chain wheel tensioning device for a chain elevator comprises two mounting bases 2 arranged in front and back, a guide groove opened upward is arranged in the middle of each mounting base 2, a slider 7 capable of being adjusted in a lifting manner is arranged on the inner side of the guide groove, an adjusting screw 9 is vertically screwed on the slider 7 and inserted into the slider 7, the upper end of the adjusting screw 9 is in transmission connection with an adjusting head 6 arranged on a top plate 4, a square socket 91 is arranged at the upper end of the adjusting screw 9, the adjusting screw 9 is in anti-rotation connection with the adjusting screw 9 through the square socket 91, a raised cylindrical plug 92 is arranged at the lower end of the adjusting screw 9, the lower end of the cylindrical plug 92 is inserted onto a bottom edge 21 of the lower end of the mounting base 2, the adjusting screw 9 is inserted onto the bottom edge 21 through the cylindrical plug 92 to realize position limitation, and is in transmission connection with the adjusting head 6 through the socket 91, the top plate 4 is fixed at the upper end of the mounting seat 2, the adjusting screw rod 9 is driven to rotate through the rotation adjusting head 6 so as to drive the lifting adjustment of the slide block 7, the two sides of the inner side of the guide groove are respectively provided with a guide strip 8 for guiding the slide block 7, the guide strip 8 is used for realizing the guide during the lifting adjustment of the slide block 7, a rotating shaft 3 is arranged between the front slide block 7 and the rear slide block 7, the slide block 7 is provided with a stabilizing hole 31 matched with the rotating shaft 3, the slide block 7 is also provided with a threaded hole 32 matched with the adjusting screw rod 9, the installation of the rotating shaft 3 is realized through the arranged mounting hole 31, the adjusting and matching with the adjusting screw rod 9 are realized through the threaded hole 32, the rotating shaft 3 is provided with two cylindrical roller bearings 14, the outer sides of the two cylindrical roller bearings 14 are fixedly sleeved with a chain wheel 5, the lower ends of the front mounting seat 2 and the rear mounting seat 2 are installed and fixed on the base 1, and the lower end of the base 1 is provided with an adjusting base 10 for adjusting the height thereof, at sprocket 5 during operation, thereby realize the tensioning of chain to sprocket 5 lift adjustment through slider 7 that can carry out lift adjustment and adjust, the tensioning is adjusted convenience more, and the stroke scope of adjusting is adjusted to the chain tensioning through adjusting the further increase of the regulation of the height of base 10 to whole sprocket 5 simultaneously, replaces traditional copper sheathing through the cylindrical roller bearing 14 that sets up simultaneously, has better abrasionproof and decreases the effect, increase of service life.
Referring to fig. 3 and 4, the adjusting head 6 includes a rotating rod 63 inserted into the top plate 4, a square connecting plug 65 inserted into the socket 91 is disposed at the lower end of the rotating rod 63, a retaining ring 64 is disposed at one end of the rotating rod 63 close to the connecting plug 65, the rotating rod 63 is retained and blocked by the retaining ring 64, a detachable rotating handle 62 is disposed at a position of the rotating rod 63 at the upper side of the top plate 4, a sleeve hole 621 is disposed at the center of the rotating handle 62, a square sleeve head 66 matched with the sleeve hole 621 is disposed at the upper end of the rotating rod 63, a pressing screw 61 is fixed to the upper end of the sleeve head 66 by screwing through the sleeve hole 621, the rotating handle 62 is sleeved on the sleeve head 66 through the sleeve hole 621, the square sleeve head 66 is connected with the rotating handle 62 in a rotation-proof manner and is pressed and fixed by the pressing screw 61, the adjusting head 6 is inserted into the socket 91 through the connecting plug 65 to realize transmission connection with the adjusting screw 9, the rotation of the adjusting head 6 is realized through the rotating handle 62, the locking screw 623 is screwed on the rotating handle 62 in a penetrating way, the upper surface of the rotating handle 62 is provided with a sunk groove 622 matched with the head of the locking screw 623, the locking screw 623 is hidden through the arranged sunk groove 622, and the adjusted rotating handle 62 is prevented from rotating and fixed by screwing the locking screw 623 and tightly pushing against the top plate 4.
Referring to fig. 6, the adjusting base 10 includes a mounting plate 101, a bottom plate 110 is disposed at the lower end of the base 1, guide posts 103 are vertically inserted into the bottom plate 110 near four corners, the lower ends of the guide posts 103 are fixed on the mounting plate 101, adjusting screws 102 are vertically screwed and inserted into the middle portions of the bottom plate 110 near the front side and the rear side, the lower ends of the adjusting screws 102 are rotatably and fixedly connected with the mounting plate 101, the lifting and guiding of the bottom plate 110 are achieved through the guide posts 103, the bottom plate 110 is adjusted through the adjusting screws 102, and therefore the adjusting of the base 1 is achieved.
Referring to fig. 7 and 8, an inner limit ring 16 is arranged between the two cylindrical roller bearings 14 and sleeved on the rotating shaft 3, and the outer side of the inner spacing ring 16 is provided with an outer spacing ring 13 clamped in the inner hole of the chain wheel 5, both ends of the inner hole of the chain wheel 5 are provided with baffle covers 12, both sides of the rotating shaft 3 positioned on the chain wheel 5 are sleeved with distance rings 11, the distance between the cylindrical roller bearings 14 on two sides is limited by the arranged inner limiting ring 16 and the outer limiting ring 13, the position of the whole chain wheel 5 is limited by the distance ring 11 to ensure the working stability, an oil cavity 17 is arranged between the outer limiting ring 13 and the inner limiting ring 16, an oil channel 15 is arranged at the center of the rotating shaft 3, the oil channel 15 is communicated with the oil cavity 17, a through hole is arranged on the inner limiting ring 16, the addition of the lubricating oil is performed through the oil passage 15, and the lubricating oil is branched to the cylindrical roller bearing 14 through the oil chamber 17 for lubrication.
The working principle is that when the chain wheel 5 is tensioned and adjusted, the height of the base 1 and the height of the mounting seat 2 are adjusted by screwing the adjusting screw 102, then the rotating handle 62 is rotated to drive the rotating rod 63 to rotate so as to drive the adjusting screw rod 9 to rotate to complete the lifting adjustment of the sliding block 7, so that the tensioning adjustment of the chain wheel 5 is completed, and after the adjustment is completed, the locking screw 623 is screwed to be tightly pressed against the top plate 4 to complete the anti-rotation fixing of the adjusted rotating handle 62.
The device obtained by the design can basically meet the wear resistance of the chain wheel of the existing chain type elevator, greatly prolong the service life, and ensure that the tensioning device has the advantages of long tensioning stroke and convenient tensioning adjustment, but the designer further improves the device by aiming at further perfecting the function of the tensioning device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a sprocket overspeed device tensioner for chain hoist, includes two mount pads (2) that set up around, its characterized in that: the middle part of mount pad (2) is provided with the guide way of upwards opening, and the inboard of guide way installs slider (7) that can carry out lift adjustment, the both sides of guide way inboard all are provided with and carry out gib block (8) that lead to slider (7), two around slider (7) between be provided with pivot (3), and be provided with two cylindrical roller bearing (14) on pivot (3), two the outside fixed cover of cylindrical roller bearing (14) be equipped with sprocket (5), two around the lower extreme installation of mount pad (2) is fixed on base (1), and the lower extreme of base (1) is provided with adjusts base (10) that highly adjusts it.
2. The chain wheel tensioning device for the chain hoist of claim 1, characterized in that the adjusting screw rod (9) is vertically screwed and inserted on the sliding block (7), the upper end of the adjusting screw rod (9) is in transmission connection with the adjusting head (6) arranged on the top plate (4), and the top plate (4) is fixed on the upper end of the mounting seat (2).
3. Chain wheel tensioner according to claim 2, characterized in that the upper end of the adjusting screw (9) is provided with a square socket (91) and the lower end of the adjusting screw (9) is provided with a raised cylindrical plug (92), the lower end of the cylindrical plug (92) being inserted on the bottom edge (21) of the lower end of the mounting seat (2).
4. The chain wheel tensioning device for the chain hoist of claim 2, characterized in that the adjusting head (6) comprises a rotating rod (63) inserted on the top plate (4), the lower end of the rotating rod (63) is provided with a square connecting plug (65) inserted in the socket (91), one end of the rotating rod (63) close to the connecting plug (65) is provided with a retainer ring (64), and the portion of the rotating rod (63) on the upper side of the top plate (4) is provided with a detachable rotating handle (62).
5. The chain tensioner as claimed in claim 4, wherein the rotating handle (62) is provided with a sleeve hole (621) at the center, the rotating rod (63) is provided with a square sleeve head (66) matched with the sleeve hole (621) at the upper end, and the upper end of the sleeve head (66) passes through the sleeve hole (621) to be fixedly screwed with the compression screw (61).
6. The chain tensioner as claimed in claim 5, wherein a locking screw (623) is screwed and inserted into the stem (62), and the upper surface of the stem (62) is provided with a sunken groove (622) engaged with the head of the locking screw (623).
7. Chain wheel tensioner according to claim 1, characterized in that the slide (7) is provided with a rotation-mounting hole (31) cooperating with the rotation shaft (3), and the slide (7) is further provided with a threaded hole (32) cooperating with the adjusting screw (9).
8. The chain wheel tensioning device for the chain type elevator is characterized in that the adjusting base (10) comprises a mounting plate (101), a bottom plate (110) is arranged at the lower end of the base (1), guide columns (103) are vertically inserted into the bottom plate (110) close to four corners, the lower ends of the guide columns (103) are fixed on the mounting plate (101), adjusting screws (102) are vertically screwed and inserted into the middle portions of the bottom plate (110) close to the front side and the rear side, and the lower ends of the adjusting screws (102) are rotatably and fixedly connected with the mounting plate (101).
9. The chain wheel tensioning device for the chain hoist according to claim 1, characterized in that an inner limiting ring (16) sleeved on the rotating shaft (3) is arranged between the two cylindrical roller bearings (14), an outer limiting ring (13) clamped in an inner hole of the chain wheel (5) is arranged on the outer side of the inner limiting ring (16), blocking covers (12) are arranged at two ends of the inner hole of the chain wheel (5), and distance rings (11) are sleeved at positions of the rotating shaft (3) located at two sides of the chain wheel (5).
10. The chain tensioner as claimed in claim 9, wherein an oil chamber (17) is provided between the outer retainer ring (13) and the inner retainer ring (16), an oil passage (15) is provided at the center of the rotating shaft (3), the oil passage (15) communicates with the oil chamber (17), and a through hole is provided in the inner retainer ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984504.1A CN113562403A (en) | 2021-08-26 | 2021-08-26 | Chain wheel tensioning device for chain type hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984504.1A CN113562403A (en) | 2021-08-26 | 2021-08-26 | Chain wheel tensioning device for chain type hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113562403A true CN113562403A (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110984504.1A Pending CN113562403A (en) | 2021-08-26 | 2021-08-26 | Chain wheel tensioning device for chain type hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113562403A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0748014A (en) * | 1993-08-05 | 1995-02-21 | Bridgestone Corp | Belt tension detecting method and its device in belt conveyer |
| JP2009208948A (en) * | 2008-03-06 | 2009-09-17 | Ntn Corp | Take-up unit with frame |
| CN102951415A (en) * | 2012-11-30 | 2013-03-06 | 苏州有色金属研究院有限公司 | Roller chain tensioning device |
| CN202765736U (en) * | 2012-10-04 | 2013-03-06 | 黑龙江建龙钢铁有限公司 | Chain tensioning device for chain elevator of bar production line |
| CN203636605U (en) * | 2013-11-16 | 2014-06-11 | 重庆金桥机器制造有限责任公司 | Fine grinding camshaft clamp |
| CN204384281U (en) * | 2014-12-15 | 2015-06-10 | 上海电力环保设备总厂有限公司 | A kind of hanging arm type bucket wheel stacker-reclaimer vertical hydraulic tightening device |
| CN212892216U (en) * | 2020-05-11 | 2021-04-06 | 威立雅（哈尔滨）热电有限公司 | Limiting roller applied to chain bucket slag conveyor |
| CN113048218A (en) * | 2021-03-09 | 2021-06-29 | 燕山大学 | Explosion-proof movable pulley suitable for flexible transmission chain |
-
2021
- 2021-08-26 CN CN202110984504.1A patent/CN113562403A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0748014A (en) * | 1993-08-05 | 1995-02-21 | Bridgestone Corp | Belt tension detecting method and its device in belt conveyer |
| JP2009208948A (en) * | 2008-03-06 | 2009-09-17 | Ntn Corp | Take-up unit with frame |
| CN202765736U (en) * | 2012-10-04 | 2013-03-06 | 黑龙江建龙钢铁有限公司 | Chain tensioning device for chain elevator of bar production line |
| CN102951415A (en) * | 2012-11-30 | 2013-03-06 | 苏州有色金属研究院有限公司 | Roller chain tensioning device |
| CN203636605U (en) * | 2013-11-16 | 2014-06-11 | 重庆金桥机器制造有限责任公司 | Fine grinding camshaft clamp |
| CN204384281U (en) * | 2014-12-15 | 2015-06-10 | 上海电力环保设备总厂有限公司 | A kind of hanging arm type bucket wheel stacker-reclaimer vertical hydraulic tightening device |
| CN212892216U (en) * | 2020-05-11 | 2021-04-06 | 威立雅（哈尔滨）热电有限公司 | Limiting roller applied to chain bucket slag conveyor |
| CN113048218A (en) * | 2021-03-09 | 2021-06-29 | 燕山大学 | Explosion-proof movable pulley suitable for flexible transmission chain |
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Application publication date: 20211029 |