CN207647509U - Coalcutter internal spraying roller shaft assembly - Google Patents
Coalcutter internal spraying roller shaft assembly Download PDFInfo
- Publication number
- CN207647509U CN207647509U CN201721804884.1U CN201721804884U CN207647509U CN 207647509 U CN207647509 U CN 207647509U CN 201721804884 U CN201721804884 U CN 201721804884U CN 207647509 U CN207647509 U CN 207647509U
- Authority
- CN
- China
- Prior art keywords
- rear end
- drum shaft
- hole
- bearing
- sleeved
- 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.)
- Expired - Fee Related
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 26
- 230000000712 assembly Effects 0.000 claims abstract 2
- 238000000429 assembly Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of coalcutter internal spraying roller shaft assemblies, including drum shaft, set is installed with front end bearing assembly and rear end bearing component on drum shaft, input gear is equipped between front end bearing assembly and rear end bearing component, rear end bearing component includes rear end self-aligning roller bearing, rear end dottle pin is equipped between rear end self-aligning roller bearing and input gear, and set is installed with rear end cap on drum shaft, it is also fixedly mounted on the posterior side of rear end cap and is equipped with outer cover, the rear end end face of drum shaft is equipped with circular groove, it is outer to cover equipped with the round bump being inserted into circular groove, and radial hole is equipped in outer cover, axial hole is equipped in round bump, the center of drum shaft is correspondingly provided with central through hole with axial hole, the front end of central through hole is equipped with the front tab for connecting spraying system；It is equipped with inner oil seal between round bump and circular groove, and is formed between round bump and circular groove and is connected to chamber, axial hole and central through hole are connected with connection chamber respectively.
Description
Technical field
The invention belongs to coal excavation apparatus technical fields, are specifically a kind of coalcutter internal spraying roller shaft assembly.
Background technology
Coalcutter must install interior external spraying, when using internal spraying, water from the nozzle on cutting drum directly to
The cut point of pick sprays, and is formed " wet type cutting "；When using external spraying, water is by the fixed case of cutting units, rocking arm
Nozzle on upper or spillplate sprays, and forms water mist covering dirt source, to make dust moistening sedimentation.
Invention content
In view of this, the purpose of the present invention is to provide a kind of coalcutter internal spraying roller shaft assembly, there is stable structure
Reliable advantage can effectively promote the stability of internal spraying.
In order to achieve the above objectives, the present invention provides the following technical solutions：
A kind of coalcutter internal spraying roller shaft assembly, including drum shaft are covered on the drum shaft and are installed with for being revolved
Turn the front end bearing assembly and rear end bearing component that are fitted in rocking arm shell, the front end bearing assembly and rear end bearing group
Input gear is equipped between part, the rear end bearing component includes the rear end self-aligning roller bearing being sleeved on the drum shaft,
Rear end dottle pin is equipped between the rear end self-aligning roller bearing and the input gear, and set is installed with fixation on the drum shaft
Rear end cap on rocking arm shell, set is installed on the rear end cap coordinates with the outer ring of the rear end self-aligning roller bearing
Retainer ring is equipped with the round nut being sleeved on the drum shaft, the round nut and institute between the rear end cap and the drum shaft
It states and is equipped with stop washer between the inner ring of rear end self-aligning roller bearing；It is also fixedly mounted and is equipped on the posterior side of the rear end cap
The rear end end face of outer cover, the drum shaft is equipped with circular groove, described to be covered outside equipped with the circle being inserted into the circular groove
Shape convex block, and radial hole is equipped in the outer cover, the axial hole vertical with the radial hole is equipped in the round bump, it is described
The center of drum shaft is correspondingly provided with central through hole with the axial hole, and the front end of the central through hole is equipped with for connecting spraying system
The front tab of system；
Inner oil seal is equipped between the round bump and the circular groove, and recessed in the round bump and the circle
Connection chamber is formed between slot, the axial hole and the central through hole are connected with the connection chamber respectively；The rear end cap with
It is equipped with the oil-sealing sleeve being sleeved on the drum shaft between the drum shaft, is equipped between the oil-sealing sleeve and the rear end cap outer
Oil sealing.
Further, the radial hole is equipped with coupling, and bonded washer is equipped between the coupling and the outer cover.
Further, the helix drum construction section before the front end bearing assembly is additionally provided on the drum shaft, it is described
Thread drum construction section is outer diameter along the gradual increased conical section in direction from front to back, and the thread drum construction section
Periphery wall is equipped with the thickening keyway being arranged along its generatrix direction.
Further, the front end bearing assembly includes before being sleeved on the drum shaft and be fixedly mounted on rocking arm shell
End self-aligning roller bearing and the drive end bearing bracket being sleeved on the drum shaft and on front side of the front end self-aligning roller bearing, it is described
The floating sealing base being sleeved on the drum shaft, the floating sealing base and institute are equipped between drive end bearing bracket and the front end self-aligning roller bearing
State front end self-aligning roller bearing inner ring cooperation, between the drive end bearing bracket and the outer ring of the front end self-aligning roller bearing be equipped with away from
From pad.
Further, it is equipped with seal chamber between the drive end bearing bracket and the floating sealing base, is equipped in the seal chamber and is sleeved on institute
State the float grease seal on drum shaft.
The beneficial effects of the present invention are：
The coalcutter internal spraying roller shaft assembly of the utility model covers setting outside by the way that rear end cap and outer cover is arranged
Radial hole and axial hole using connection chamber connection axial hole and central through hole, and are arranged inner oil seal, prevent from revealing, ensure simultaneously
Axial hole is connected to stability with central through hole, has the advantages that stable structure is reliable, can effectively promote the stabilization of internal spraying
Property.
Description of the drawings
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides following attached drawing and carries out
Explanation：
Fig. 1 is the structural schematic diagram of the utility model coalcutter internal spraying drum shaft assembly embodiment.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, for the structural schematic diagram of the utility model coalcutter internal spraying drum shaft assembly embodiment.This implementation
The coalcutter internal spraying roller shaft assembly of example, including drum shaft 1 are covered on drum shaft 1 and are installed with for installing its rotatable engagement
Front end bearing assembly in rocking arm shell and rear end bearing component are equipped with input between front end bearing assembly and rear end bearing component
Gear 2.The rear end bearing component of the present embodiment includes the rear end self-aligning roller bearing 3 being sleeved on drum shaft 1, the rolling of rear end aligning
Rear end dottle pin 4 is equipped between sub- bearing 3 and input gear 2, and after set is installed with and is fixedly mounted on rocking arm shell on drum shaft 1
End cap 5, set is installed with the retainer ring 6 coordinate with the outer ring of rear end self-aligning roller bearing 3, rear end cap 5 and drum shaft 1 on rear end cap 5
Between be equipped with and be sleeved on round nut 7 on drum shaft 1, stop is equipped between round nut 7 and the inner ring of rear end self-aligning roller bearing 3
Washer 8；It being also fixedly mounted on the posterior side of rear end cap 5 and is equipped with outer cover 9, the rear end end face of drum shaft 1 is equipped with circular groove,
It is outer to cover equipped with the round bump 10 being inserted into circular groove, and radial hole 11 is equipped in outer cover 9, be equipped in round bump 10 with
The vertical axial hole 12 of radial hole 11, center and the axial hole 12 of drum shaft 1 are correspondingly provided with central through hole 13, central through hole 13
Front end is equipped with the front tab 14 for connecting spraying system.The central through hole 13 of the present embodiment is coaxially disposed with axial hole 12.
Inner oil seal 15, and the shape between round bump 10 and circular groove are equipped between the round bump 10 and circular groove of the present embodiment
At connection chamber 16, axial hole 12 and central through hole 13 are connected with connection chamber 16 respectively；It is equipped between rear end cap 5 and drum shaft 1
The oil-sealing sleeve 17 being sleeved on drum shaft 1 is equipped with outer oil seal 18 between oil-sealing sleeve 17 and rear end cap 5.
Further, radial hole 11 is equipped with coupling 19, and bonded washer 20 is equipped between coupling 19 and outer cover 9.This reality
The helix drum construction section 1a being additionally provided on the drum shaft 1 of example before the bearing assembly of front end is applied, thread drum construction section 1a is
Outer diameter is along the gradual increased conical section in direction from front to back, and the periphery wall of thread drum construction section is equipped with along its busbar
The thickening keyway 1b of direction setting.
Further, the front end bearing assembly of the present embodiment includes being sleeved on drum shaft 1 and being fixedly mounted on rocking arm shell
Front end self-aligning roller bearing 21 and be sleeved on drum shaft 1 and positioned at the drive end bearing bracket 22 of 31 front side of front end self-aligning roller bearing,
The floating sealing base 23 being sleeved on drum shaft 1, floating sealing base 23 and front end are equipped between drive end bearing bracket 22 and front end self-aligning roller bearing 21
The inner ring of self-aligning roller bearing 21 coordinates, and is equipped with apart from pad 24 between drive end bearing bracket 22 and the outer ring of front end self-aligning roller bearing 21.
It is equipped with seal chamber between the drive end bearing bracket 22 and floating sealing base 23 of the present embodiment, the floating being sleeved on drum shaft 1 is equipped in seal chamber
Oil sealing 25.Using float grease seal structure, good airproof performance alleviates wear phenomenon.
The coalcutter internal spraying roller shaft assembly of the present embodiment covers setting diameter outside by the way that rear end cap and outer cover is arranged
To hole and axial hole, using connection chamber connection axial hole and central through hole, and inner oil seal is set, prevents from revealing, while ensureing axis
It is connected to stability to hole and central through hole, has the advantages that stable structure is reliable, can effectively promote the stability of internal spraying.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (5)
1. a kind of coalcutter internal spraying roller shaft assembly, including drum shaft, covers and be installed with for being rotated on the drum shaft
The front end bearing assembly and rear end bearing component being fitted in rocking arm shell, the front end bearing assembly and rear end bearing component
Between be equipped with input gear, it is characterised in that：The rear end bearing component includes the rear end aligning being sleeved on the drum shaft
Roller bearing is equipped with rear end dottle pin, and is covered on the drum shaft between the rear end self-aligning roller bearing and the input gear
It is installed with the rear end cap being fixedly mounted on rocking arm shell, covers and is installed with and the rear end self-aligning roller bearing on the rear end cap
The retainer ring of outer ring cooperation is equipped with the round nut being sleeved on the drum shaft between the rear end cap and the drum shaft, described
Stop washer is equipped between round nut and the inner ring of the rear end self-aligning roller bearing；It is also solid on the posterior side of the rear end cap
Dingan County is installed with outer cover, and the rear end end face of the drum shaft is equipped with circular groove, and outer cover is equipped with the insertion circle
Round bump in groove, and radial hole is equipped in the outer cover, it is equipped in the round bump vertical with the radial hole
Axial hole, the center of the drum shaft are correspondingly provided with central through hole with the axial hole, and the front end of the central through hole, which is equipped with, to be used
In the front tab of connection spraying system；
Be equipped with inner oil seal between the round bump and the circular groove, and the round bump and the circular groove it
Between formed connection chamber, the axial hole and the central through hole are connected with the connection chamber respectively；The rear end cap with it is described
It is equipped with the oil-sealing sleeve being sleeved on the drum shaft between drum shaft, outer oil is equipped between the oil-sealing sleeve and the rear end cap
Envelope.
2. coalcutter internal spraying roller shaft assembly according to claim 1, it is characterised in that：The radial hole is equipped with outer
Connector is equipped with bonded washer between the coupling and the outer cover.
3. coalcutter internal spraying roller shaft assembly according to claim 1, it is characterised in that：It is additionally provided on the drum shaft
Helix drum construction section before the front end bearing assembly, the thread drum construction section are outer diameter along from front to back
The gradual increased conical section in direction, and the periphery wall of the thread drum construction section is equipped with the thickening being arranged along its generatrix direction
Keyway.
4. according to claim 1-3 any one of them coalcutter internal spraying roller shaft assemblies, it is characterised in that：The front end axis
Bearing assembly includes the front end self-aligning roller bearing for being sleeved on the drum shaft and being fixedly mounted on rocking arm shell and is sleeved on institute
State the drive end bearing bracket on drum shaft and on front side of the front end self-aligning roller bearing, the drive end bearing bracket and the front end aligning roller
The floating sealing base being sleeved on the drum shaft, the inner ring of the floating sealing base and the front end self-aligning roller bearing are equipped between bearing
Cooperation is equipped with distance pad between the drive end bearing bracket and the outer ring of the front end self-aligning roller bearing.
5. coalcutter internal spraying roller shaft assembly according to claim 4, it is characterised in that：The drive end bearing bracket is floated with described
It seals between seat equipped with seal chamber, the seal chamber is interior to be equipped with the float grease seal being sleeved on the drum shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804884.1U CN207647509U (en) | 2017-12-21 | 2017-12-21 | Coalcutter internal spraying roller shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804884.1U CN207647509U (en) | 2017-12-21 | 2017-12-21 | Coalcutter internal spraying roller shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647509U true CN207647509U (en) | 2018-07-24 |
Family
ID=62877819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804884.1U Expired - Fee Related CN207647509U (en) | 2017-12-21 | 2017-12-21 | Coalcutter internal spraying roller shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207647509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775461A (en) * | 2018-08-01 | 2018-11-09 | 湖南海润电气有限公司 | A kind of annular disc water pipe rotary joint |
-
2017
- 2017-12-21 CN CN201721804884.1U patent/CN207647509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775461A (en) * | 2018-08-01 | 2018-11-09 | 湖南海润电气有限公司 | A kind of annular disc water pipe rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |