CN110294287A - A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group - Google Patents
A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group Download PDFInfo
- Publication number
- CN110294287A CN110294287A CN201910616382.3A CN201910616382A CN110294287A CN 110294287 A CN110294287 A CN 110294287A CN 201910616382 A CN201910616382 A CN 201910616382A CN 110294287 A CN110294287 A CN 110294287A
- Authority
- CN
- China
- Prior art keywords
- shaft
- bearing
- bearing block
- axle sleeve
- sprocket
- 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
- 238000012423 maintenance Methods 0.000 title claims description 15
- 210000004907 gland Anatomy 0.000 claims description 27
- 239000000945 filler Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 35
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 239000003245 coal Substances 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
-
- 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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/02—Lubricating devices
Abstract
A kind of non-maintaining self-lubricating sprocket shaft group, including shaft, bearing block, axle sleeve, bearing, chain wheel set, chain wheel set is sleeved in shaft, and axle sleeve is sleeved in shaft, and axle sleeve is symmetricly set on the two sides of chain wheel set, seal assembly is also equipped in axle sleeve, bearing is symmetrically mounted on two ends of shaft, and is keyed with shaft, and the circumferential direction in the outer wall surface of bearing along bearing offers oil groove, bearing block is symmetricly set on the both ends of shaft, and bearing is wrapped in inside bearing block.When the present invention uses, it no longer needs to add lubricating oil, the sprocket shaft group breaks traditional thin oil lubricant mode simultaneously, completely avoiding sprocket shaft group in actual use needs constantly to fill lubricating oil, it avoids sprocket shaft group and oil leakage occurs during the work time, while increasing sprocket shaft group safe and reliable operation, it has been greatly reduced because pollution caused by leaking underground coal mine environment occurs for lubricating oil.
Description
Technical field
The present invention relates to underground coal mine equipment field, in particular to a kind of non-maintaining or low-maintenance self-lubricating sprocket shaft
Group.
Background technique
With the continuous improvement of the requirements such as coal mine downhole safety environmental protection, high-yield and high-efficiency, sprocket shaft group is as drag conveyor
Crucial transmission parts, how to improve its work reliability become restrict drag conveyor safe and reliable operation key factor
One of.
Traditional sprocket shaft group is all made of thin oil lubricant, in the course of work, to guarantee good lubricating condition, needs artificial
Not timing is that sprocket shaft group fills lubricating oil, due to the particularity of sprocket shaft group structure, using the sprocket shaft group of thin oil lubricant
Floating sealing structure can be used, causes sprocket shaft group that oil leakage easily occurs in actual use, is not only easy to make
Forming apparatus machine halt trouble, lubricating oil waste etc., and the lubricating oil revealed also results in certain pollution to underground coal mine environment.
Summary of the invention
In view of this, traditional chain axle set there are aiming at the problem that, it is necessary to propose a kind of without manually carrying out adding profit
The non-maintaining self-lubricating sprocket shaft group of lubricating oil.
A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group, including shaft, bearing block, axle sleeve, bearing, chain wheel set,
Chain wheel set is sleeved in shaft, and the middle position of shaft is arranged in sprocket wheel, and is fixedly connected with shaft, and axle sleeve is sleeved on shaft
On, axle sleeve is symmetricly set on the two sides of chain wheel set, and axle sleeve is fixedly connected with shaft, and seal assembly is also equipped in axle sleeve, close
Sealing assembly is sleeved in shaft, and is fitted closely with shaft, axle sleeve, and bearing is symmetrically mounted on two ends of shaft, and with turn
Axle key connects, and the circumferential direction in the outer wall surface of bearing along bearing offers oil groove, and bearing block is symmetricly set on the two of shaft
End, and bearing is wrapped in inside bearing block, to support shaft and chain wheel set, and shaft is enable axially to rotate along bearing block,
The bearing block includes bearing block shell, end cap, gland, retaining ring, and bearing block shell is located at two ends of shaft, and by bearing
It is wrapped in bearing block shell, retaining ring is fixed at the both ends of shaft, and retaining ring is located in bearing block shell, and gland setting exists
Side of the retaining ring far from shaft, and gland and retaining ring and bearing block shell ends face paste are closed, end cap is fixed at bearing block shell
End, a side surface of end cap is bonded with bearing block shell, gland.
Preferably, connecting plate is fixedly installed on the gland, connecting plate is circumferentially arranged along the outside of gland, gland and gear
Circle fits closely, and connecting plate is bonded with bearing block shell far from one end of axle sleeve, and passes through bolt for end cap and bearing block shell
It is fixed, so that end cap is close to connecting plate.
Preferably, the middle position of the end cap is recessed inwardly, and forms circular groove, and the diameter of circular groove is greater than shaft
End diameter, make between end cap and gland that there are spacing.
Preferably, the middle position of end surface of the axle sleeve far from chain wheel set is recessed inwardly, and forms concave station, the concave station
Size close to chain wheel set one end of size and bearing match, bearing end is equipped with chimb, and one end of chimb is caught in concave station,
Bearing is connect with axle sleeve, the other end and bearing block shell of chimb are clamped.
Preferably, the chain wheel set includes two sprocket wheels and the spacer that is arranged between two sprocket wheels, and sprocket wheel, which is sleeved on, to be turned
On the spline being arranged on axis, and the spline in sprocket wheel and shaft is interference fitted.
Preferably, the bearing is self-lubricating bearing, and graphite base grease is inlaid in bearing.
Preferably, anticorrosive property layer is plated on the bearing.
Preferably, using interference fit between the bearing and bearing block shell.
Preferably, 4 oil leaking holes are evenly equipped on the oil groove.
Preferably, oil filler point, the oil outlet face oil groove of oil filler point are offered on the bearing block.
The present invention by adopting the above technical scheme, the beneficial effect is that: the invention includes shaft, bearing block, axle sleeve, axis
It holds, chain wheel set, chain wheel set is sleeved in shaft, and the middle position of shaft is arranged in sprocket wheel, and is fixedly connected with shaft, axle sleeve
It is sleeved in shaft, axle sleeve is symmetricly set on the two sides of chain wheel set, and axle sleeve is fixedly connected with shaft, is also equipped in axle sleeve close
Sealing assembly, seal assembly are sleeved in shaft, and are fitted closely with shaft, axle sleeve, and bearing is symmetrically mounted on two ends of shaft
Portion, and be keyed with shaft, the circumferential direction in the outer wall surface of bearing along bearing offers oil groove, and bearing block is symmetricly set on
The both ends of shaft, and bearing is wrapped in inside bearing block, to support shaft and chain wheel set, and enable shaft along bearing block axis
To rotation, the bearing block includes bearing block shell, end cap, gland, retaining ring, and bearing block shell is located at two ends of shaft,
And bearing is wrapped in bearing block shell, retaining ring is fixed at the both ends of shaft, and retaining ring is located in bearing block shell, pressure
Side of the retaining ring far from shaft is arranged in lid, and gland and retaining ring and bearing block shell ends face paste are closed, and end cap is fixed at axis
The end of seat shell body is held, a side surface of end cap is bonded with bearing block shell, gland.The present invention is in use, no longer need to add profit
Lubricating oil, while the sprocket shaft group breaks traditional thin oil lubricant mode, it is entirely avoided sprocket shaft group is in actual use
Lubricating oil need to be constantly filled, sprocket shaft group is avoided and oil leakage occurs during the work time, increases sprocket shaft group and safely may be used
While by operation, it has been greatly reduced because pollution caused by leaking underground coal mine environment occurs for lubricating oil.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of bearing of the present invention.
In figure: end cap 1, gland 2, retaining ring 3, bearing 4, bearing block 5, axle sleeve 6, seal assembly 7, chain wheel set 8, shaft 9, every
Cover 10, oil groove 11, oil filler point 12, oil leaking hole 13.
Specific embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1, Fig. 2 are please referred to, the embodiment of the invention provides a kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group, packets
Shaft 9, bearing block 5, axle sleeve 6, bearing 4, chain wheel set 8 are included, chain wheel set 8 is sleeved in shaft 9, and shaft 9 is arranged in sprocket wheel
Middle position, and be fixedly connected with shaft 9, axle sleeve 6 is sleeved in shaft 9, and axle sleeve 6 is symmetricly set on the two sides of chain wheel set 8, and
Axle sleeve 6 is fixedly connected with shaft 9, and seal assembly 7 is also equipped in axle sleeve 6, and seal assembly 7 is sleeved in shaft 9, and and shaft
9, axle sleeve 6 fits closely, and seal assembly 7 is mainly made of spacer sleeve and sealing element, and seal assembly 7 mainly plays sealing protection and makees
With；Bearing 4 is symmetrically mounted on two ends of shaft 9, and is keyed with shaft 9, along bearing 4 in the outer wall surface of bearing 4
Circumferential direction offers oil groove 11, and oil groove 11 can be such that parts of lubricating oil accumulates in oil groove 11, when shaft 9 rotates,
Lubricating oil in oil groove 11 can be extruded, and external in bearing 4 forms oil film, is additionally provided with several small sircle holes on bearing 4, small
Circular hole can also be such that lubricating oil is flowed between shaft 9 and bearing 4.Bearing block 5 is symmetricly set on the both ends of shaft 9, and by axis
It holds 4 to be wrapped in inside bearing block, to support shaft 9 and chain wheel set 8, and enables shaft 9 along the axial rotation of bearing block 5, it is described
Bearing block 5 includes bearing block shell, end cap 1, gland 2, retaining ring 3, and bearing block shell is located at two ends of shaft 9, and by axis
It holds 4 to be wrapped in bearing block shell, retaining ring 3 is fixed at the both ends of shaft 9, and retaining ring 3 is located in bearing block shell, gland
2 are arranged in side of the retaining ring 3 far from shaft 9, and gland 2 and retaining ring 3 and bearing block shell ends face paste are closed, and end cap 1 is fixedly installed
In the end of bearing block shell, a side surface of end cap 1 is bonded with bearing block shell, gland 2, and gland 2 plays axial limiting and holds
By responsive to axial force.
Connecting plate is fixedly installed on gland 2, connecting plate is circumferentially arranged along the outside of gland 2, and gland 2 and retaining ring 3 are close
Fitting, connecting plate is bonded with bearing block shell far from one end of axle sleeve 6, and is fixed end cap 1 and bearing block shell by bolt,
End cap 1 is set to be close to connecting plate.
The middle position of end cap 1 is recessed inwardly, and forms circular groove, and the diameter of circular groove is greater than the end of shaft 9
Diameter, makes between end cap 1 and gland 2 that there are spacing.
The middle position of end surface of the axle sleeve 6 far from chain wheel set 8 is recessed inwardly, formed concave station, the size of the concave station with
Size of the bearing 4 close to 8 one end of chain wheel set matches, and 4 end of bearing is equipped with chimb, and one end of chimb is caught in concave station, by axis
It holds 4 to connect with axle sleeve 6, the other end and bearing block shell of chimb are clamped.
Chain wheel set 8 includes two sprocket wheels and the spacer 10 being arranged between two sprocket wheels, and sprocket wheel, which is sleeved in shaft 9, to be arranged
Spline on, and the spline in sprocket wheel and shaft 9 is interference fitted.
Bearing 4 is self-lubricating bearing, and graphite base grease is inlaid in bearing 4, and sprocket shaft group is when working operating, certainly
It lubricates bearing and axis generates relative friction rotation, the graphite base grease of inlaying being distributed in self-lubricating bearing was rotated in the two
Cheng Zhong can form one layer of fixed transfer membrane between bearing 4 and axis, have the function that lubrication with this and reduce friction, work as sprocket wheel
When axis group shuts down, transfer membrane disappears, and the sprocket shaft group is before installing until failing, without filling lubricating oil.It is plated on bearing 4
Anticorrosive property layer, is suitable for corrosive environment.It is practical in sprocket shaft group using interference fit between bearing 4 and bearing block shell
In the course of work, relative motion is not generated between the two.
Shaft 9 can directly take steel part raw material to be processed, without carrying out heat treatment quenching and tempering.
In another embodiment, oil filler point 12, the oil outlet face oil groove of oil filler point 12 are offered on bearing block 5
11,4 oil leaking holes 13 are evenly equipped on oil groove 11.To cope with different working condition, under some operating conditions, lubricating oil it is possible that
A small amount of loss can supplement a small amount of lubricating oil by the oil filler point 12 on bearing block 5, and lubricating oil flows on oil groove 11,
When bearing 4 rotates, the lubricating oil in oil groove 11 can be flowed between shaft 9 and bearing 4 from the oil leaking hole 13 on oil groove 11, make to turn
Lubrication is preferably kept between axis 9 and bearing 4.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (10)
1. a kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group, it is characterised in that: including shaft, bearing block, axle sleeve, axis
It holds, chain wheel set, chain wheel set is sleeved in shaft, and the middle position of shaft is arranged in sprocket wheel, and is fixedly connected with shaft, axle sleeve
It is sleeved in shaft, axle sleeve is symmetricly set on the two sides of chain wheel set, and axle sleeve is fixedly connected with shaft, is also equipped in axle sleeve close
Sealing assembly, seal assembly are sleeved in shaft, and are fitted closely with shaft, axle sleeve, and bearing is symmetrically mounted on two ends of shaft
Portion, and be keyed with shaft, the circumferential direction in the outer wall surface of bearing along bearing offers oil groove, and bearing block is symmetricly set on
The both ends of shaft, and bearing is wrapped in inside bearing block, to support shaft and chain wheel set, and enable shaft along bearing block axis
To rotation, the bearing block includes bearing block shell, end cap, gland, retaining ring, and bearing block shell is located at two ends of shaft,
And bearing is wrapped in bearing block shell, retaining ring is fixed at the both ends of shaft, and retaining ring is located in bearing block shell, pressure
Side of the retaining ring far from shaft is arranged in lid, and gland and retaining ring and bearing block shell ends face paste are closed, and end cap is fixed at axis
The end of seat shell body is held, a side surface of end cap is bonded with bearing block shell, gland.
2. one kind according to claim 1 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the pressure
It covers and is fixedly installed connecting plate, connecting plate is circumferentially arranged along the outside of gland, and gland is fitted closely with retaining ring, connecting plate and axis
It holds seat shell body to be bonded far from one end of axle sleeve, and is fixed end cap and bearing block shell by bolt, end cap is made to be close to connecting plate.
3. one kind according to claim 2 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the end
The middle position of lid is recessed inwardly, and forms circular groove, and the diameter of circular groove is greater than the diameter of the end of shaft, make end cap with
There are spacing between gland.
4. one kind according to claim 1 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the axis
The middle position for covering the end surface far from chain wheel set is recessed inwardly, and forms concave station, the size and bearing of the concave station are close to sprocket wheel
The size of group one end matches, and bearing end is equipped with chimb, and one end of chimb is caught in concave station, bearing is connect with axle sleeve, convex
The other end and bearing block shell on side are clamped.
5. one kind according to claim 2 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the chain
Wheel group includes two sprocket wheels and the spacer that is arranged between two sprocket wheels, and sprocket wheel is sleeved on the spline being arranged in shaft, and chain
Wheel is interference fitted with the spline in shaft.
6. one kind according to claim 1 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the axis
It holds as self-lubricating bearing, and is inlaid with graphite base grease in bearing.
7. one kind according to claim 6 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the axis
Hold plating anticorrosive property layer.
8. one kind according to claim 7 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the axis
It holds between bearing block shell using interference fit.
9. one kind according to claim 8 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: the oil
4 oil leaking holes are evenly equipped on slot.
10. one kind according to claim 1 is non-maintaining or self-lubricating sprocket shaft group of low-maintenance, it is characterised in that: described
Oil filler point, the oil outlet face oil groove of oil filler point are offered on bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616382.3A CN110294287A (en) | 2019-07-09 | 2019-07-09 | A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616382.3A CN110294287A (en) | 2019-07-09 | 2019-07-09 | A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110294287A true CN110294287A (en) | 2019-10-01 |
Family
ID=68030826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910616382.3A Pending CN110294287A (en) | 2019-07-09 | 2019-07-09 | A kind of non-maintaining or low-maintenance self-lubricating sprocket shaft group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110294287A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844840A (en) * | 2021-08-17 | 2021-12-28 | 宁夏天地奔牛实业集团有限公司 | Maintenance-free self-lubricating chain wheel shaft group |
| CN114537989A (en) * | 2022-02-25 | 2022-05-27 | 宁夏天地奔牛实业集团有限公司 | Quick-release type chain wheel shaft group for scraper conveyor tail |
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| CN204453678U (en) * | 2014-12-08 | 2015-07-08 | 浙江李子园牛奶食品有限公司 | A kind of conveyer of tool lubricating system |
| CN106743220A (en) * | 2016-11-29 | 2017-05-31 | 青岛碱业发展有限公司 | It is a kind of can self-lubricating plus grey conveying worm |
| CN206988296U (en) * | 2017-07-13 | 2018-02-09 | 瑞安市天禄精密机械有限公司 | A kind of high-performance floating bearing |
| CN207830375U (en) * | 2018-01-24 | 2018-09-07 | 北京昌佳泵业有限公司 | A kind of structure improving Sliding bearing for pump oil lubrication performance |
| CN108861343A (en) * | 2018-08-21 | 2018-11-23 | 山西煤矿机械制造股份有限公司 | A kind of chain wheel device of drag conveyor |
| KR101971840B1 (en) * | 2018-12-14 | 2019-04-23 | 정운상 | Laver roaster |
| CN210504476U (en) * | 2019-07-09 | 2020-05-12 | 宁夏天地奔牛实业集团有限公司 | Maintenance-free or low-maintenance self-lubricating sprocket shaft group |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113844840A (en) * | 2021-08-17 | 2021-12-28 | 宁夏天地奔牛实业集团有限公司 | Maintenance-free self-lubricating chain wheel shaft group |
| CN113844840B (en) * | 2021-08-17 | 2023-08-01 | 宁夏天地奔牛实业集团有限公司 | Maintenance-free self-lubricating sprocket shaft group |
| CN114537989A (en) * | 2022-02-25 | 2022-05-27 | 宁夏天地奔牛实业集团有限公司 | Quick-release type chain wheel shaft group for scraper conveyor tail |
| CN114537989B (en) * | 2022-02-25 | 2024-02-06 | 宁夏天地奔牛实业集团有限公司 | Quick-dismantling chain wheel shaft group for scraper conveyor tail |
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