CN110792757A - Chain wheel set device on upper part of elevator - Google Patents
Chain wheel set device on upper part of elevator Download PDFInfo
- Publication number
- CN110792757A CN110792757A CN201911202816.1A CN201911202816A CN110792757A CN 110792757 A CN110792757 A CN 110792757A CN 201911202816 A CN201911202816 A CN 201911202816A CN 110792757 A CN110792757 A CN 110792757A
- Authority
- CN
- China
- Prior art keywords
- chain wheel
- bearing
- upper shaft
- block chain
- split block
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention aims to provide an upper chain wheel set device of a lifter, which realizes transmission by adopting a chain wheel set with a split block chain wheel through the friction between a bearing and a shaft on a rolling bearing seat, better solves the problems of falling off of the chain wheel bearing, abrasion and breakage of the shaft end and the like in a split mode, reduces the abrasion between the upper shaft and the bearing and between the upper shaft and the split block chain wheel, obviously prolongs the service life, greatly improves the remote rotation rate of equipment, adopts common flat key connection, and is more suitable for shafts with high speed or bearing impact and variable load; the common flat key has good centering property, high positioning precision, convenient folding and assembly and reduced abrasion, and a sealing assembly is arranged between the split block chain wheel and the bearing to prevent the leakage of lubricating oil and the invasion or leakage of dust to the outside, thereby having good sealing effect.
Description
Technical Field
The invention relates to the field of elevators, in particular to an upper chain wheel set device of an elevator.
Background
The elevator is mainly used for conveying materials and is widely applied to industrial production and material handling systems. The chain wheel set on the upper part of the hoister is an important transmission device during the running of the hoister, and the stable conveying of materials is realized through the smooth running of the chain wheel set on the upper shaft.
The upper part of the traditional elevator is driven by a gear or a common chain wheel, when more materials are conveyed, a shell is easy to expand and deform outwards, the gear or a bearing can be damaged, if a common chain wheel is used, the bearing is easy to fall off when the chain wheel rotates, the shaft end is worn and broken, and the like.
Disclosure of Invention
In order to solve the problems, the invention provides an upper chain wheel set device of a hoister, which adopts a chain wheel set with a split block chain wheel to realize transmission through the friction between a bearing and a shaft on a rolling bearing seat, better solves the problems of falling off of the chain wheel bearing, abrasion and breakage of the shaft end and the like in a split mode, reduces the abrasion between the upper shaft and the bearing and between the upper shaft and the split block chain wheel, obviously prolongs the service life, greatly improves the remote rotation rate of equipment, adopts common flat key connection, and is more suitable for shafts with high speed or bearing impact and variable load; the common flat key has good centering property, high positioning precision, convenient folding and assembly and reduced abrasion, a sealing assembly is arranged between the split block chain wheel and the bearing to prevent the leakage of lubricating oil and the invasion of dust or the leakage to the outside, the sealing effect is good, and the problems in the background technology are solved.
The invention aims to provide an upper chain wheel set device of a hoist, which comprises an upper shaft, wherein bearings are arranged on the left side and the right side of the upper shaft, and rolling bearing seats are sleeved outside the bearings; the split block chain wheel is arranged on the upper shaft and positioned on the inner side of the bearing, a first common flat key is arranged on the upper shaft and positioned at the split block chain wheel, and the split block chain wheel and the first common flat key are fixedly connected through a fastening screw and a first nut; a sealing assembly is arranged between the bearing and the split block chain wheel on the upper shaft; an elastic retainer ring is arranged between the bearing and the rolling bearing seat to ensure that the bearing does not clamp when rolling.
The further improvement lies in that: the inner side of the sealing assembly is provided with a second nut which is sleeved on the upper shaft, and a sealing felt ring is arranged in the second nut, so that the sealing felt ring is fixedly connected on the upper shaft.
The further improvement lies in that: the outer side of the sealing assembly is fixedly connected with angle steel through a fastening bolt and a third nut, and an elastic washer is arranged between the fastening bolt and the third nut.
The further improvement lies in that: and a second common flat key is arranged at the right end of the upper shaft and is used for being linked with transmission power.
The invention has the beneficial effects that: the invention realizes transmission by adopting the chain wheel group with the split block chain wheel through the friction between the bearing on the rolling bearing seat and the shaft, better solves the problems of falling off of the chain wheel bearing, abrasion and breakage of the shaft end, and the like in a split mode, reduces the abrasion between the upper shaft and the bearing and between the upper shaft and the split block chain wheel, obviously prolongs the service life, greatly improves the remote rotation rate of equipment, adopts the common flat key for connection, and is more suitable for shafts with high speed or bearing impact and variable load; the common flat key has good centering property, high positioning precision, convenient folding and assembly and reduced abrasion, and a sealing assembly is arranged between the split block chain wheel and the bearing to prevent the leakage of lubricating oil and the invasion or leakage of dust to the outside, thereby having good sealing effect.
Drawings
Fig. 1 is a front cross-sectional view of the present invention.
Fig. 2 is an enlarged view of the left portion of fig. 1.
Wherein: 1-upper shaft, 2-bearing, 3-rolling bearing seat, 4-split block chain wheel, 5-first common flat key, 6-fastening screw, 7-first nut, 8-sealing assembly, 9-second nut, 10-elastic retainer ring, 11-fastening bolt, 12-third nut, 13-angle steel, 14-elastic washer, 15-second common flat key and 16-sealing felt ring.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 and 2, the present embodiment provides an upper sprocket set device for a hoist, including an upper shaft 1, bearings 2 are disposed on left and right sides of the upper shaft 1, and rolling bearing seats 3 are sleeved outside the bearings 2; a split block chain wheel 4 is arranged on the upper shaft 1 and positioned on the inner side of the bearing 2, a first common flat key 5 is arranged on the upper shaft 1 and positioned at the split block chain wheel 4, and the split block chain wheel 4 and the first common flat key 5 are fixedly connected through a fastening screw 6 and a first nut 7; a sealing assembly 8 is arranged on the upper shaft 1 between the bearing 2 and the split block chain wheel 4; a flexible retainer ring 10 is arranged between the bearing 2 and the rolling bearing seat 3 to ensure that the bearing 2 does not roll and block when in operation. The sealing assembly 8 is internally provided with a second nut 9, the second nut 9 is sleeved on the upper shaft, a sealing felt 16 is arranged in the second nut 9, and the sealing felt 16 is fixedly connected on the upper shaft 1. An angle steel 13 is fixedly connected to the outer side of the sealing assembly 8 through a fastening bolt 11 and a third nut 12, and an elastic washer 14 is arranged between the fastening bolt 11 and the third nut 12. The right end of the upper shaft 1 is provided with a second common flat key 15 for linking with transmission power.
The chain wheel group with the split block chain wheel 4 is adopted to realize transmission through the friction between the bearing 2 on the rolling bearing seat 3 and the shaft, the problems of falling off of the chain wheel bearing, abrasion and breakage of the shaft end and the like are well solved in a split mode, the abrasion between the upper shaft 1 and the bearing 2 and between the upper shaft 1 and the split block chain wheel 4 is reduced, the service life is obviously prolonged, the remote rotation rate of equipment is greatly improved, and meanwhile, the chain wheel group is connected by adopting a common flat key and is more suitable for shafts with high speed or bearing impact and variable load; the common flat key has good centering property, high positioning precision, convenient folding and assembly and reduced abrasion, and a sealing assembly 8 is arranged between the split block chain wheel 4 and the bearing 2 to prevent the leakage of lubricating oil and the invasion or leakage of dust to the outside, thereby having good sealing effect.
Claims (4)
1. The utility model provides a lifting machine upper portion sprocket group device, is including upper portion axle (1), its characterized in that: bearings (2) are arranged on the left side and the right side of the upper shaft (1), and rolling bearing seats (3) are sleeved outside the bearings (2); a split block chain wheel (4) is arranged on the upper shaft (1) and positioned on the inner side of the bearing (2), a first common flat key (5) is arranged on the upper shaft (1) and positioned on the split block chain wheel (4), and the split block chain wheel (4) is fixedly connected with the first common flat key (5) through a fastening screw (6) and a first nut (7); a sealing assembly (8) is arranged on the upper shaft (1) and positioned between the bearing (2) and the split block chain wheel (4); an elastic retainer ring (10) is arranged between the bearing (2) and the rolling bearing seat (3) to ensure that the bearing (2) does not clamp when rolling.
2. The elevator upper sprocket set apparatus as set forth in claim 1, wherein: the inner side of the sealing assembly (8) is provided with a second nut (9), the second nut (9) is sleeved on the upper shaft, and a sealing felt ring (16) is arranged in the second nut (9), so that the sealing felt ring (16) is fixedly connected to the upper shaft (1).
3. The elevator upper sprocket set apparatus of claim 2, wherein: the outer side of the sealing assembly (8) is fixedly connected with angle steel (13) through a fastening bolt (11) and a third nut (12), and an elastic gasket (14) is arranged between the fastening bolt (11) and the third nut (12).
4. The elevator upper sprocket set apparatus as set forth in claim 1, wherein: and a second common flat key (15) is arranged at the right end of the upper shaft (1) and is used for being linked with transmission power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202816.1A CN110792757A (en) | 2019-11-29 | 2019-11-29 | Chain wheel set device on upper part of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202816.1A CN110792757A (en) | 2019-11-29 | 2019-11-29 | Chain wheel set device on upper part of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110792757A true CN110792757A (en) | 2020-02-14 |
Family
ID=69446913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911202816.1A Pending CN110792757A (en) | 2019-11-29 | 2019-11-29 | Chain wheel set device on upper part of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792757A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061687A (en) * | 2020-09-07 | 2020-12-11 | 福建省铁拓机械股份有限公司 | Bucket elevator bottom sealing equipment |
-
2019
- 2019-11-29 CN CN201911202816.1A patent/CN110792757A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061687A (en) * | 2020-09-07 | 2020-12-11 | 福建省铁拓机械股份有限公司 | Bucket elevator bottom sealing equipment |
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| SE01 | Entry into force of request for substantive examination | ||
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