CN108708938B - Self-lubricating chain - Google Patents
Self-lubricating chain Download PDFInfo
- Publication number
- CN108708938B CN108708938B CN201810418172.9A CN201810418172A CN108708938B CN 108708938 B CN108708938 B CN 108708938B CN 201810418172 A CN201810418172 A CN 201810418172A CN 108708938 B CN108708938 B CN 108708938B
- Authority
- CN
- China
- Prior art keywords
- chain
- elastic rope
- cavity
- annular
- sleeve
- 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.)
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a self-lubricating chain. The device comprises a closed structure formed by connecting a plurality of chain links end to end, wherein each chain link comprises two inner chain plates, two outer chain plates and a chain pin, two ends of the chain pin are hinged with a pair of inner chain plates and outer chain plates, two spaced bearings are sleeved on the chain pin between the two inner chain plates, a ring sleeve is sleeved on the outer ring of each bearing, a cavity for storing lubricating grease is formed between each bearing and the corresponding ring sleeve, a plurality of oil conveying components are arranged in the cavity, each oil conveying component comprises an elastic rope and a scraping blade fixed on the elastic rope at intervals, one end of the elastic rope is fixed on the inner wall of one end of the ring sleeve, the other end of the elastic rope is fixed on the inner wall of the other end of the ring sleeve, and the middle of the elastic rope is fixed with the chain pin in the cavity. Because the ring sleeve is matched with the oil conveying component, the scraping blade on the elastic rope stretches the elastic rope according to the rotating speed of the ring sleeve, so that a proper amount of lubricating chain links of lubricating grease are formed, and meanwhile, the reset elastic rope sucks the lubricating grease outside the cavity into the cavity, so that the waste of the lubricating grease is avoided.
Description
Technical Field
The invention relates to the technical field of bucket elevators, in particular to a self-lubricating chain.
Background
The traditional Chinese patent database discloses a self-lubricating chain structure, the application number of the self-lubricating chain structure is 20090309955. X, the application date is 2009.09.09, the authorized bulletin number is CN201517585U, and the authorized bulletin date is 2010.06.30. The defects are that: the quantity of grease stored in the concave holes is too small, so that the lubricating grease can not be used for durable lubrication, and the qualitative supply of the lubricating grease can not be realized according to the strength of the chain load.
Disclosure of Invention
The invention aims at providing a self-lubricating chain aiming at the defects in the prior art that the chain is difficult to correspondingly provide a proper amount of lubricating grease for the chain according to the load.
In order to achieve the above purpose, the invention adopts the technical scheme that:
a self-lubricating chain is formed by connecting a plurality of chain links end to end into a closed structure, each chain link comprises two inner chain plates, two outer chain plates and a chain pin, two ends of the chain pin are hinged with a pair of inner chain plates and outer chain plates, two bearings are sleeved on the chain pin between the two inner chain plates at intervals, a ring sleeve is sleeved on the outer ring of each bearing, a cavity for storing lubricating grease is formed between each bearing and the corresponding ring sleeve, a plurality of oil conveying components are arranged in the cavity, each oil conveying component comprises an elastic rope and a scraping blade fixed on the elastic rope at intervals, one end of the elastic rope is fixed on the inner wall of one end of the corresponding ring sleeve, the other end of the elastic rope is fixed on the inner wall of the other end of the corresponding ring sleeve, and the middle of the elastic rope is fixed with the chain pin in the cavity.
When the external chain wheel is meshed and released with the external chain wheel, the elastic rope contracts, the scraping blade moves, and the lubricating grease outside the cavity is sucked back into the cavity.
Compared with the prior art, the invention has the beneficial effects that: because the temperature of the surface of the annular sleeve is reduced by the lubricating grease in the cavity, and because the annular sleeve is matched with the oil conveying part, the scraping blade on the elastic rope can stretch the elastic rope according to the rotating speed of the annular sleeve, so that the scraping blade moves rapidly or slowly, a proper amount of lubricating chain link of the lubricating grease is enabled, and meanwhile, the lubricating grease outside the cavity is sucked into the cavity by the elastic rope which resets, so that the waste of the lubricating grease is avoided.
An annular sealing ring is arranged between each end face of the annular sleeve and the corresponding inner chain plate and is used for dynamically sealing grease and avoiding grease leakage.
Each terminal surface of ring cover is equipped with first annular groove, offer the second annular groove on the inner link joint one side, annular seal circle one end scarf joint is in first annular groove, and annular seal circle other end scarf joint is in the second annular groove, and first annular groove cooperatees with the second annular groove to the dynamic annular seal circle that prescribes a limit to.
An annular baffle plate is arranged in a gap between each inner chain plate and the corresponding bearing, and the annular baffle plate is sleeved on the chain pin, so that lubricating grease in the cavity slowly flows out.
Two convex shoulders are arranged on the chain pin at intervals, each bearing is sleeved on the corresponding convex shoulder, an internal thread is arranged on the end face of the convex shoulder positioned outside the cavity, an external thread is arranged on one end face of the annular baffle, and the internal thread is matched with the external thread to enable the annular baffle to be connected to the corresponding convex shoulder.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The device comprises a chain link 1, an inner chain plate 101, an outer chain plate 102, a chain pin 103, a second annular groove 104, a shoulder 105, a bearing 2, an outer ring 201, a ring 3, a first annular groove 301, a cavity 4, an oil delivery component 5, an elastic rope 501, a scraping blade 502, an annular sealing ring 6 and an annular baffle 7.
Detailed Description
As shown in fig. 1, the self-lubricating chain is a closed structure formed by connecting a plurality of chain links 1 end to end, each chain link 1 comprises two inner chain plates 101, two outer chain plates 102 and a chain pin 103, two ends of the chain pin 103 are hinged with a pair of inner chain plates 101 and outer chain plates 102, two bearings 2 are sleeved on the chain pin 103 between the two inner chain plates 101 at intervals, an annular baffle 7 is sleeved on the outer ring 201 of the two bearings 2, an annular baffle 7 is arranged in a gap between each inner chain plate 101 and the corresponding bearing 2, the annular baffle 7 is sleeved on the chain pin 103, so that lubricating grease in a cavity 4 slowly flows out, two shoulders 105 are arranged on the chain pin 103 at intervals, each bearing 2 is sleeved on the corresponding shoulder 105, an inner thread is arranged on the end face of the shoulder 105 positioned outside the cavity 4, an outer thread is arranged on one end face of the annular baffle 7, the inner thread is matched with the outer thread, the annular baffle 7 is connected on the corresponding shoulder 105, a cavity 4 for storing lubricating grease is formed between the two bearings 2 and the annular sleeve 3, a plurality of oil conveying parts 5 are arranged in the cavity 4, each oil conveying part 5 comprises an elastic rope 501 and scraping blades 502 which are fixed on the elastic rope 501 at intervals, one end of the elastic rope 501 is fixed on the inner wall of one end of the annular sleeve 3, the other end of the elastic rope 501 is fixed on the inner wall of the other end of the annular sleeve 3, the middle of the elastic rope 501 is fixed with a chain pin 103 in the cavity 4, an annular sealing ring 6 is arranged between each end face of the annular sleeve 3 and the corresponding inner chain plate 101, each end face of the annular sleeve 3 is provided with a first annular groove 301, one side face of the inner chain plate 101 is provided with a second annular groove 104, one end of the annular sealing ring 6 is embedded in the first annular groove 301, the other end of the annular sealing ring 6 is embedded in the second annular groove 104, the first annular groove 301 is matched with the second annular groove 104, thus dynamically limiting the annular sealing ring 6, the annular sealing ring 6 is used for dynamically sealing grease and avoiding grease leakage.
During operation, the peripheral chain wheel enables the chain to move, when the annular sleeve 3 is in meshed contact with the peripheral chain wheel, the annular sleeve 3 rotates, the elastic rope 501 is stretched while the annular sleeve 3 rotates, the wiper blade 502 is driven to move while the elastic rope 501 stretches, the wiper blade 502 enables lubricating grease in the cavity 4 to move, so that the lubricating grease lubricates the bearing 2, the connecting part of the lubricating chain pin 103, the inner chain plate 101 and the outer chain plate 102, when the annular sleeve 3 is meshed and released with the peripheral chain wheel, the elastic rope 501 contracts, the wiper blade 502 moves, and the lubricating grease outside the cavity 4 is sucked back into the cavity 4.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (1)
1. A self-lubricating chain is formed by connecting a plurality of chain links end to end into a closed structure, and each chain link comprises two inner chain plates, two outer chain plates and a chain pin, and is characterized in that: the two ends of the chain pin are hinged with a pair of inner chain plates and outer chain plates, two bearings are sleeved on the chain pin between the two inner chain plates at intervals, a ring sleeve is sleeved on the outer rings of the two bearings, a cavity for storing lubricating grease is formed between the two bearings and the ring sleeve, a plurality of oil conveying parts are arranged in the cavity, each oil conveying part comprises an elastic rope and a scraping blade fixed on the elastic rope at intervals, one end of the elastic rope is fixed on the inner wall of one end of the ring sleeve, the other end of the elastic rope is fixed on the inner wall of the other end of the ring sleeve, the middle of the elastic rope is fixed with the chain pin in the cavity, an annular sealing ring is arranged between each end face of the ring sleeve and the corresponding inner chain plate and is used for dynamically sealing grease, an annular baffle is arranged in a gap between each inner chain plate and the corresponding bearing and is sleeved on the chain pin, so that the grease in the cavity slowly flows, the annular sleeve is characterized in that each end face of the annular sleeve is provided with a first annular groove, one side face of the inner chain plate is provided with a second annular groove, one end of the annular sealing ring is embedded in the first annular groove, the other end of the annular sealing ring is embedded in the second annular groove, two convex shoulders are arranged on the chain pin at intervals, each bearing is sleeved on the corresponding convex shoulder, the end face of the convex shoulder positioned outside the cavity is provided with an internal thread, one end face of the annular baffle is provided with an external thread, the internal thread is matched with the external thread, the annular baffle is connected to the corresponding convex shoulder, during operation, the chain is driven to move by the peripheral chain wheel, when the annular sleeve is meshed and contacted with the peripheral chain wheel, the annular sleeve rotates, the elastic rope is stretched while the annular sleeve rotates, the scraping blade is driven to move by the elastic rope, and the lubricating grease in the cavity moves, so that the lubricating grease lubricates the bearing, the chain pin and the inner chain plate, when the ring sleeve is meshed with the external chain wheel and loosened at the joint of the external chain plate, the elastic rope contracts, the scraping blade moves, and lubricating grease outside the cavity is sucked back into the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418172.9A CN108708938B (en) | 2018-05-04 | 2018-05-04 | Self-lubricating chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418172.9A CN108708938B (en) | 2018-05-04 | 2018-05-04 | Self-lubricating chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708938A CN108708938A (en) | 2018-10-26 |
| CN108708938B true CN108708938B (en) | 2023-09-29 |
Family
ID=63867771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810418172.9A Active CN108708938B (en) | 2018-05-04 | 2018-05-04 | Self-lubricating chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708938B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405794Y (en) * | 2000-01-21 | 2000-11-15 | 王美兰 | Tricycle with accelerator |
| CN1880805A (en) * | 2005-06-18 | 2006-12-20 | 西南师范大学 | Oil-storable self-lubricating bush chain |
| CN201081076Y (en) * | 2007-09-17 | 2008-07-02 | 曹晋 | Vehicle wheel bearing automatic oil supply device |
| CN101712410A (en) * | 2008-10-01 | 2010-05-26 | 株式会社椿本链索 | Self-lubricating chain |
| CN201925411U (en) * | 2010-12-17 | 2011-08-10 | 朱克彦 | Self-lubrication lifting chain for pumping unit |
| CN102897483A (en) * | 2011-07-29 | 2013-01-30 | 株式会社椿本链条 | Conveyor chain |
| CN103671557A (en) * | 2012-09-04 | 2014-03-26 | 江南嘉捷电梯股份有限公司 | Bearing lubricating device and escalator or moving walk comprising same |
| CN205687375U (en) * | 2016-05-05 | 2016-11-16 | 中信重工机械股份有限公司 | A kind of mine hoist encoder connecting device |
| CN106315165A (en) * | 2016-08-18 | 2017-01-11 | 江苏东发链条有限公司 | Self-lubricating conveying chain |
| CN107143618A (en) * | 2017-06-30 | 2017-09-08 | 浙江九路泊车设备股份有限公司 | A kind of self lubricating chain attachment means suitable for vertical circulating garage |
| CN208361138U (en) * | 2018-05-04 | 2019-01-11 | 泰兴市神力链条有限公司 | A kind of self-lubricating bucket elevator chain |
-
2018
- 2018-05-04 CN CN201810418172.9A patent/CN108708938B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405794Y (en) * | 2000-01-21 | 2000-11-15 | 王美兰 | Tricycle with accelerator |
| CN1880805A (en) * | 2005-06-18 | 2006-12-20 | 西南师范大学 | Oil-storable self-lubricating bush chain |
| CN201081076Y (en) * | 2007-09-17 | 2008-07-02 | 曹晋 | Vehicle wheel bearing automatic oil supply device |
| CN101712410A (en) * | 2008-10-01 | 2010-05-26 | 株式会社椿本链索 | Self-lubricating chain |
| CN201925411U (en) * | 2010-12-17 | 2011-08-10 | 朱克彦 | Self-lubrication lifting chain for pumping unit |
| CN102897483A (en) * | 2011-07-29 | 2013-01-30 | 株式会社椿本链条 | Conveyor chain |
| CN103671557A (en) * | 2012-09-04 | 2014-03-26 | 江南嘉捷电梯股份有限公司 | Bearing lubricating device and escalator or moving walk comprising same |
| CN205687375U (en) * | 2016-05-05 | 2016-11-16 | 中信重工机械股份有限公司 | A kind of mine hoist encoder connecting device |
| CN106315165A (en) * | 2016-08-18 | 2017-01-11 | 江苏东发链条有限公司 | Self-lubricating conveying chain |
| CN107143618A (en) * | 2017-06-30 | 2017-09-08 | 浙江九路泊车设备股份有限公司 | A kind of self lubricating chain attachment means suitable for vertical circulating garage |
| CN208361138U (en) * | 2018-05-04 | 2019-01-11 | 泰兴市神力链条有限公司 | A kind of self-lubricating bucket elevator chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108708938A (en) | 2018-10-26 |
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