CN220578185U - Split type chain wheel and chain wheel shaft assembly of scraper conveyor - Google Patents
Split type chain wheel and chain wheel shaft assembly of scraper conveyor Download PDFInfo
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- CN220578185U CN220578185U CN202322166104.7U CN202322166104U CN220578185U CN 220578185 U CN220578185 U CN 220578185U CN 202322166104 U CN202322166104 U CN 202322166104U CN 220578185 U CN220578185 U CN 220578185U
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- sprocket
- chain wheel
- ring channel
- scraper conveyor
- tooth
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- 239000010687 lubricating oil Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a scraper conveyor split type chain wheel and chain wheel shaft assembly. According to the split type chain wheel of the scraper conveyor, the chain wheel cylinder body and the chain tooth integrated piece are fixedly connected through the bolts, so that when the chain wheel teeth are damaged and need to be replaced, the chain tooth integrated piece can be detached and replaced independently, the chain wheel cylinder body can be used continuously after replacement, and the chain wheel can be replaced only by detaching the bolts during replacement, so that the split type chain wheel is quite convenient to detach and high in replacement efficiency, the cost can be reduced greatly, and waste is avoided. The maintenance cost of the sprocket shaft assembly is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of scraper conveyors for coal mines, in particular to a split type chain wheel and chain wheel shaft assembly of a scraper conveyor.
Background
The scraper conveyor is mainly used for conveying coal face and gateroad, and can also be used for coal roadways and semi-coal roadway driving face. The scraper conveyor consists of a machine head part, a machine tail part, a middle groove, accessory parts thereof, a scraper chain, a chain tightening device, a pushing device, an anchoring device and the like. The machine head mainly comprises a machine head frame, a chain wheel shaft assembly, a speed reducer, a blind shaft, a coupler, a motor and the like, wherein the chain wheel shaft assembly is a force transmission component of the machine head, the chain wheel shaft assembly mainly comprises a mandrel, a chain wheel and other parts, the chain wheel is arranged in the middle of the mandrel, and the mandrel and the chain wheel mainly transmit power and motion by keys. Because the instantaneous transmission ratio of the chain transmission is not constant, the chain wheel can vibrate to a certain extent in the transmission process, so that the scraper conveyor is unbalanced in the transmission process. The chain wheel teeth can be damaged after long-term running, and abnormal meshing phenomena such as chain clamping and the like occur. Therefore, when the sprocket wear of the sprocket is severe, the sprocket needs to be replaced by stopping the machine. In the prior art, the sprocket is an integral sprocket, so that the disassembly is very inconvenient, the replacement efficiency is low, and if the integral sprocket is replaced only due to the damage of the sprocket, the cost is greatly increased and the waste is great.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problem to be solved by the utility model is to provide the split type chain wheel and chain wheel shaft assembly of the scraper conveyor, so that the chain tooth part of the chain wheel can be independently replaced, the disassembly is convenient, and the cost can be saved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a split type sprocket of scraper conveyor which characterized in that: the chain wheel assembly comprises a chain wheel cylinder body and a chain tooth assembly, wherein the chain tooth assembly is sleeved at the middle part of the chain wheel cylinder body, and two ends of the chain tooth assembly are fixedly connected with the chain wheel cylinder body through a plurality of bolts respectively.
Preferably: the sprocket integrated part comprises a bolt mounting part and a sprocket part, the sprocket part is located in the middle of the sprocket integrated part, the bolt mounting parts are respectively located at two sides of the sprocket part, a plurality of first bolt holes uniformly distributed along the circumferential direction are formed in the bolt mounting parts, a plurality of second bolt holes corresponding to the first bolt holes are formed in the circumferential direction of the sprocket cylinder, and the bolts are mounted at the first bolt holes and the second bolt holes.
Preferably: the first bolt hole is arranged as a counter bore.
Preferably: the inside of the sprocket assembly is provided with a stepped hole, the hole at the inner side of the bolt installation part is a large-diameter hole, the hole at the inner side of the sprocket part is a small-diameter hole,
the periphery of sprocket barrel is provided with the ladder ring channel, the ladder ring channel includes first ring channel, middle ring channel and second ring channel, middle ring channel is located between first ring channel and the second ring channel, the big footpath hole of bolt installation department corresponds the adaptation respectively first ring channel department with second ring channel department, the inside survey of sprocket portion path hole corresponds the adaptation middle ring channel department.
Preferably: the sprocket part comprises a middle tooth group and two sets of edge tooth groups, wherein the edge tooth groups are respectively arranged at two sides of the middle tooth group in the axial direction, and the tooth thickness of the middle tooth group is H 1 Let the tooth thickness of the side tooth group be H 2 ，H 1 ≥2H 2 。
The chain wheel shaft assembly comprises a split type chain wheel of the scraper conveyor, and the split type chain wheel of the scraper conveyor is fixedly connected with a chain wheel shaft through a flat key.
Preferably: the two sides of the split type chain wheel of the scraper conveyor are respectively and fixedly connected with a first bearing seat and a second bearing seat, a double-row tapered roller bearing is arranged between the first bearing seat and the second bearing seat and the chain wheel shaft respectively, a bearing end cover is fixed at the outer end face of the first bearing seat, and a lubricating oil inlet joint and a lubricating oil outlet joint are fixed on the bearing end cover.
After the technical scheme is adopted, the utility model has the following beneficial effects:
according to the split type chain wheel of the scraper conveyor, the chain wheel cylinder body and the chain tooth integrated piece are fixedly connected through the bolts, so that when the chain wheel teeth are damaged and need to be replaced, the chain tooth integrated piece can be detached and replaced independently, the chain wheel cylinder body can be used continuously after replacement, and the chain wheel can be replaced only by detaching the bolts during replacement, so that the split type chain wheel is quite convenient to detach and high in replacement efficiency, the cost can be reduced greatly, and waste is avoided.
The sprocket shaft assembly adopts split type sprocket, has the advantage of being convenient for change sprocket integrated piece, and change efficient to cost of maintenance is low, in addition, is fixed with lubricating oil inlet joint and lubricating oil outlet joint on the bearing end cover, and two joints pass through oil pipe connection lubricating oil tank, adopt circulating lubrication promptly, and not only lubrication effect is good to circulating lubricating oil can take away the heat that the during operation produced, and the cooling effect is good. Meanwhile, the circulating lubrication mode can take away foreign matters such as dust, impurities and the like, so that impurity accumulation in a lubrication cavity of the sprocket shaft assembly is avoided, friction is reduced, and the service life of the sprocket shaft assembly is prolonged.
Drawings
FIG. 1 is a schematic view of the sprocket shaft assembly of the present utility model;
FIG. 2 is a schematic view of the split sprocket of the scraper conveyor of FIG. 1;
FIG. 3 is a schematic view of the sprocket assembly of FIG. 2;
FIG. 4 is a schematic view of the sprocket cartridge of FIG. 2;
in the figure: A. split chain wheel of scraper conveyor; 1. a sprocket cylinder; 101. a first annular groove; 102. a middle annular groove; 103. a second annular groove; 2. a sprocket assembly; 201. a bolt mounting portion; 2011. a first bolt hole; 2012. a second bolt hole; 2013. a large diameter hole; 2014. a small diameter hole; 202. a sprocket section; 2021. a middle set of teeth; 2022. a set of side teeth; 3. a bolt; 4. a first bearing seat; 5. a second bearing seat; 6. double-row tapered roller bearings; 7. a bearing end cap; 8. a lubricating oil inlet joint; 9. a lubricating oil outlet joint; B. chain wheel shaft; C. and (5) flat keys.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
The embodiment of the utility model discloses a scraper conveyor split type chain wheel A shown in fig. 1 and 2, which comprises a chain wheel cylinder body 1 and a chain tooth integrated piece 2, wherein the chain tooth integrated piece 2 is sleeved at the middle part of the chain wheel cylinder body 1, and two ends of the chain tooth integrated piece 2 are fixedly connected with the chain wheel cylinder body 1 through a plurality of bolts 3 respectively.
The sprocket assembly 2 includes a bolt mounting portion 201 and a sprocket portion 202, the sprocket portion 202 is located at the middle of the sprocket assembly 2, the bolt mounting portion 201 is located at two sides of the sprocket portion 202, a plurality of first bolt holes 2011 uniformly distributed along the circumferential direction are formed in the bolt mounting portion 201, a plurality of second bolt holes 2012 corresponding to the first bolt holes 2011 are formed in the circumferential direction of the sprocket cylinder 1, and the bolts 3 are mounted at the first bolt holes 2011 and the second bolt holes 2012. The first bolt hole 2011 is provided as a counter bore.
As shown in fig. 3 and 4, the inside of the element assembly 2 is provided with a stepped hole, the hole inside the bolt mounting portion 201 is a large diameter hole 2013, the hole inside the element portion 202 is a small diameter hole 2014,
the periphery of the sprocket cylinder 1 is provided with a stepped annular groove, the stepped annular groove comprises a first annular groove 101, a middle annular groove 102 and a second annular groove 103, the middle annular groove 102 is positioned between the first annular groove 101 and the second annular groove 103, the large-diameter hole 2013 of the bolt mounting part 201 is correspondingly matched with the first annular groove 101 and the second annular groove 103 respectively, and the small-diameter hole measured in the sprocket part 202 is correspondingly matched with the middle annular groove 102. The mounting mode can prevent the sprocket assembly 2 from moving axially relative to the sprocket cylinder 1, reduces shearing force generated at the joint surface of the sprocket assembly 2 and the sprocket cylinder 1 of the bolt 3, and prevents the bolt from shearing failure.
Because the middle sprocket of the chain wheel bears larger force, the middle sprocket is easy to break or even break. Therefore, in order to increase the bearing capacity of the middle sprocket, the thickness of the middle sprocket is thickened. As shown in fig. 3, the sprocket portion 202 includes a middle tooth set 2021 and two sets of tooth sets 2022, the tooth sets 2022 are disposed on both sides of the middle tooth set 2021 in the axial direction, respectively, and the tooth thickness of the middle tooth set is H 1 Let the tooth thickness of the side tooth group be H 2 ，H 1 ≥2H 2 . In addition, the element integrated member 2 is forged from alloy steel for further enhancing the strength of the element, and is subjected to a surface hardening treatment for enhancing the strength and prolonging the service life thereof.
The sprocket shaft assembly shown in fig. 1 comprises a scraper conveyor split type sprocket A, wherein the scraper conveyor split type sprocket A is fixedly connected with a sprocket shaft B through a flat key C. Some sprocket shaft assemblies adopt spline connection sprocket and sprocket shaft, but the installation is simpler when adopting flat key connection, and flat key manufacturing cost is low, and its connection reliability is sufficient. The two sides of the split type chain wheel A of the scraper conveyor are fixedly connected with a first bearing seat 4 and a second bearing seat 5 respectively, a double-row tapered roller bearing 6 is arranged between the first bearing seat 4 and the second bearing seat 5 and the chain wheel shaft respectively, the double-row tapered roller bearing is high in bearing overload coefficient and large in bearing capacity, and the bearing capacity of the chain wheel shaft assembly is improved.
The outer end face of the first bearing seat 4 is fixedly provided with a bearing end cover 7 through a plurality of bolts, and a lubricating oil inlet joint 8 and a lubricating oil outlet joint 9 are fixed on the bearing end cover 7. The lubricating oil inlet joint 8 and the lubricating oil outlet joint 9 are respectively communicated with the lubricating inner cavity of the chain wheel shaft assembly, and the lubricating oil inlet joint 8 and the lubricating oil outlet joint 9 are respectively connected with the lubricating oil tank through oil pipes, so that the circulating lubrication is adopted, the lubricating effect is good, the circulating lubricating oil can take away heat generated during working, and the cooling effect is good.
In addition, the lubricating oil of the existing chain wheel shaft assembly is stored in the chain wheel shaft assembly, the lubricating effect of the lubricating mode has a certain defect, dust, impurities and the like entering the chain wheel shaft assembly from the outside after long-time working are accumulated more and more along with the increase of time, so that friction is increased.
According to the split type chain wheel of the scraper conveyor, the chain wheel cylinder body and the chain tooth integrated piece are fixedly connected through the bolts, so that when the chain wheel teeth are damaged and need to be replaced, the chain tooth integrated piece can be detached and replaced independently, the chain wheel cylinder body can be used continuously after replacement, and the chain wheel can be replaced only by detaching the bolts during replacement, so that the split type chain wheel is quite convenient to detach and high in replacement efficiency, the cost can be reduced greatly, and waste is avoided.
The chain wheel shaft assembly adopts the split type chain wheel, when the chain teeth are damaged, the chain wheel assembly is convenient to replace the chain tooth integrated piece, the replacement efficiency is high, the maintenance cost is low, in addition, the circulating lubrication is adopted, the lubrication effect is good, the circulating lubrication oil can take away heat generated during working, the cooling effect is good, the circulating lubrication mode can take away foreign matters such as dust and impurities, the accumulation of impurities in a lubrication cavity of the chain wheel shaft assembly is avoided, the friction is reduced, and the service life of the chain wheel shaft assembly is prolonged.
While the utility model has been described in detail with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the foregoing embodiments, but various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a split type sprocket of scraper conveyor which characterized in that: the chain wheel assembly comprises a chain wheel cylinder body and a chain tooth assembly, wherein the chain tooth assembly is sleeved at the middle part of the chain wheel cylinder body, and two ends of the chain tooth assembly are fixedly connected with the chain wheel cylinder body through a plurality of bolts respectively;
the sprocket integrated part comprises a bolt mounting part and a sprocket part, the sprocket part is located in the middle of the sprocket integrated part, the bolt mounting parts are respectively located at two sides of the sprocket part, a plurality of first bolt holes uniformly distributed along the circumferential direction are formed in the bolt mounting parts, a plurality of second bolt holes corresponding to the first bolt holes are formed in the circumferential direction of the sprocket cylinder, and the bolts are mounted at the first bolt holes and the second bolt holes.
2. The scraper conveyor split sprocket of claim 1, wherein: the first bolt hole is arranged as a counter bore.
3. The scraper conveyor split sprocket of claim 1, wherein: the inside of the sprocket assembly is provided with a stepped hole, the hole at the inner side of the bolt installation part is a large-diameter hole, the hole at the inner side of the sprocket part is a small-diameter hole,
the periphery of sprocket barrel is provided with the ladder ring channel, the ladder ring channel includes first ring channel, middle ring channel and second ring channel, middle ring channel is located between first ring channel and the second ring channel, the big footpath hole of bolt installation department corresponds the adaptation respectively first ring channel department with second ring channel department, the inside survey of sprocket portion path hole corresponds the adaptation middle ring channel department.
4. The scraper conveyor split sprocket of claim 1, wherein: the sprocket part comprises a middle tooth group and two sets of edge tooth groups, wherein the edge tooth groups are respectively arranged at two sides of the middle tooth group in the axial direction, and the tooth thickness of the middle tooth group is H 1 Let the tooth thickness of the side tooth group be H 2 ，H 1 ≥2H 2 。
5. A sprocket shaft assembly, characterized in that: comprising the scraper conveyor split type chain wheel as claimed in any one of claims 1 to 4, wherein the scraper conveyor split type chain wheel is fixedly connected with a chain wheel shaft through a flat key.
6. The sprocket shaft assembly as set forth in claim 5, wherein: the two sides of the split type chain wheel of the scraper conveyor are respectively and fixedly connected with a first bearing seat and a second bearing seat, a double-row tapered roller bearing is arranged between the first bearing seat and the second bearing seat and the chain wheel shaft respectively, a bearing end cover is fixed at the outer end face of the first bearing seat, and a lubricating oil inlet joint and a lubricating oil outlet joint are fixed on the bearing end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166104.7U CN220578185U (en) | 2023-08-11 | 2023-08-11 | Split type chain wheel and chain wheel shaft assembly of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166104.7U CN220578185U (en) | 2023-08-11 | 2023-08-11 | Split type chain wheel and chain wheel shaft assembly of scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220578185U true CN220578185U (en) | 2024-03-12 |
Family
ID=90107452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322166104.7U Active CN220578185U (en) | 2023-08-11 | 2023-08-11 | Split type chain wheel and chain wheel shaft assembly of scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220578185U (en) |
-
2023
- 2023-08-11 CN CN202322166104.7U patent/CN220578185U/en active Active
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