CN207484554U - Floating seal seat and bearing fixing structure in a kind of development machine cantalever segment - Google Patents
Floating seal seat and bearing fixing structure in a kind of development machine cantalever segment Download PDFInfo
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- CN207484554U CN207484554U CN201721602363.8U CN201721602363U CN207484554U CN 207484554 U CN207484554 U CN 207484554U CN 201721602363 U CN201721602363 U CN 201721602363U CN 207484554 U CN207484554 U CN 207484554U
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- floating seal
- cantalever
- development machine
- main shaft
- segment
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Abstract
The utility model discloses floating seal seat and bearing fixing structures in a kind of development machine cantalever segment, including floating seal cover holding mechanism and bearing fixing mechanism, the floating seal cover holding mechanism includes locating piece and the first secure component to locating piece fastening, the sealing cover is fixedly connected with floating seal seat, first secure component includes being sleeved on development machine cantalever segment main shaft and being disposed with the first round nut from the inside to the outside, first stop washer and the second round nut, the bearing fixing mechanism includes positioning sleeve and the second fastener fastened to positioning sleeve, second secure component includes being sleeved on development machine cantalever segment main shaft and being disposed with third round nut from the inside to the outside, second stop washer and the 4th round nut.The utility model is simple in structure, prevents floating seal lid and bearing's looseness, ensures that main shaft runs well, and dust is avoided to enter floating seal, and sealing effect is good, improves main shaft and floating seal service life.
Description
Technical field
The utility model belongs to floating seal seat and bearing technique for fixing field in development machine cantalever segment, and in particular to a kind of
Floating seal seat and bearing fixing structure in development machine cantalever segment.
Background technology
Development machine is one of main extractive equipment of coal mine underground construction, and cantilever segment is an important composition portion of development machine
Torque is passed to cutterhead by main shaft, completes cutting action by cutterhead rotation, therefore by part, internal cutting motor
The transmission efficiency of main shaft directly affects the working efficiency of complete machine.And main shaft needs bearing to support, and is reached by fixing bearing
The purpose of positioning spindle.At present, bearing inner race is fixed by the main shaft shaft shoulder and sealing shroud, and outer barrel and floating are protected in outer ring by cantilever segment
Seal receptacle is fixed, and is fixed between floating seal seat and floating seal lid equipped with floating seal, floating seal lid with elastic spring, is cut
Portion is cut at work often by heavy shock loads, and the steel wire outside floating seal lid can be caused in the case where cutterhead loosens
Baffle ring stress deformation even fails, and floating seal lid and sealing shroud is caused to loosen, so as to cause floating seal lid and bearing's looseness；
In addition, development machine can generate a large amount of dusts at work, the loosening of floating seal lid can make dust enter floating seal, influence to seal
Effect or even damage floating seal.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of driving
Floating seal seat and bearing fixing structure, simple in structure in machine cantilever segment, reasonable design, prevents floating seal lid and bearing pine
It is dynamic, ensure that main shaft runs well, and dust is avoided to enter floating seal, sealing effect is good, improves main shaft and floating seal uses
It is service life, highly practical.
In order to solve the above technical problems, the technical solution adopted in the utility model is：It floats in a kind of development machine cantalever segment
Seal receptacle and bearing fixing structure, it is characterised in that：Including be sleeved on development machine cantalever segment main shaft and to floating seal lid into
The fixed floating seal cover holding mechanism of row and the axis that the bearing inner race being sleeved on development machine cantalever segment main shaft is fixed
Fixed mechanism is held, the floating seal cover holding mechanism includes the locating piece being sleeved on development machine cantalever segment main shaft and to positioning
Block fastening the first secure component, first secure component include be sleeved on development machine cantalever segment main shaft and from the inside to the outside according to
Secondary to be provided with the first round nut, the first stop washer and the second round nut, the bearing fixing mechanism includes being sleeved on development machine
The positioning sleeve being fixed on cantilever segment main shaft and to bearing inner race and the second fastener fastened to positioning sleeve, described
Two secure components include being sleeved on development machine cantalever segment main shaft and being disposed with third round nut from the inside to the outside, the second stop
Washer and the 4th round nut.
Floating seal seat and bearing fixing structure in a kind of above-mentioned development machine cantalever segment, it is characterised in that：The positioning
Threaded hole is provided in set.
Floating seal seat and bearing fixing structure in a kind of above-mentioned development machine cantalever segment, it is characterised in that：The floating
The sealing cover coordinated with floating seal lid is provided on seal receptacle, the sealing cover is provided with more close to the side of floating seal lid
A first bending part, the floating seal, which covers, is provided with multiple the second bending parts with first bending part cooperation.
Floating seal seat and bearing fixing structure in a kind of above-mentioned development machine cantalever segment, it is characterised in that：The sealing
Lid is fixedly connected by fastening bolt with floating seal seat.
The utility model has the following advantages compared with prior art：
1st, the utility model is designed reasonably, simple in structure, reasonable design.
2nd, the utility model to floating seal lid position solid by the way that locating piece and the first secure component is set to coordinate
It is fixed, it prevents cutting units from working long hours and floating seal lid is caused to loosen, and dust is avoided to enter floating seal, sealing effect is good,
Improve floating seal service life.
3rd, the utility model is fixed on the positioning bearing inner race by the way that positioning sleeve and the second secure component is set to coordinate,
It prevents cutting units from working long hours and causes bearing's looseness, ensure that main shaft runs well, improve Main Shaft Service Life.
In conclusion the utility model is simple in structure, reasonable design prevents floating seal lid and bearing's looseness, ensures master
Axis runs well, and dust is avoided to enter floating seal, and sealing effect is good, improves main shaft and floating seal service life, practical
Property is strong.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the enlarged drawing at A in Fig. 1.
Fig. 3 is the enlarged drawing at B in Fig. 1.
Reference sign:
1-cutterhead；2-locating piece；The round nuts of 2-1-first；
The stop washers of 2-2-first；The round nuts of 2-3-second；3-floating seal lid；
4-floating seal seat；5-bearing；6-positioning sleeve；
6-1-threaded hole；The round nuts of 7-1-the 4th；The stop washers of 7-2-second；
7-3-third round nut；8-fastening bolt；9-development machine cantalever segment main shaft；
10-cantilever segment protects outer barrel；11-sealing cover；12-floating seal.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model is including being sleeved on development machine cantalever segment main shaft 9 and close to floating
The floating seal cover holding mechanism and 5 inner ring of bearing to being sleeved on development machine cantalever segment main shaft 9 that capping 3 is fixed carry out
Fixed bearing fixing mechanism, the floating seal cover holding mechanism include the positioning being sleeved on development machine cantalever segment main shaft 9
Block 2 and the first secure component fastened to locating piece 2, first secure component include being sleeved on development machine cantalever segment main shaft 9
The first round nut 2-1, the first stop washer 2-2 and the second round nut 2-3 are disposed with above and from the inside to the outside, the bearing is consolidated
Determine positioning sleeve 6 that mechanism includes being sleeved on development machine cantalever segment main shaft 9 and 5 inner ring of bearing is fixed and to positioning sleeve 6
The second fastener fastened, second secure component include being sleeved on development machine cantalever segment main shaft 9 and from the inside to the outside
It is disposed with third round nut 7-3, the second stop washer 7-2 and the 4th round nut 7-1.
In the present embodiment, by the way that locating piece 2 and first secure component is set to coordinate, floating seal lid 3 is determined
Position is fixed, prevents cutterhead 1 from working long hours and floating seal lid 3 is caused to loosen, and dust is avoided to enter floating seal 12, seals
Effect is good, improves 12 service life of floating seal.
In the present embodiment, by the way that positioning sleeve 6 and second secure component is set to coordinate, 5 inner ring of bearing is positioned
It is fixed, it prevents cutterhead 1 from working long hours and bearing 5 is caused to loosen, ensure that development machine cantalever segment main shaft 9 runs well, improve master
Axis service life.
In the present embodiment, the outer ring of bearing 5 protects outer barrel 10 to be fixed by floating seal seat 4 and cantilever segment.
In the present embodiment, by the way that the first round nut 2-1 and the second round nut 2-3 is set to realize the fixation to locating piece 2, keep away
Exempt from single nut fixation procedure, cutterhead 1 works long hours easy loosening, and by the first round nut 2-1 and the second round nut
First stop washer 2-2 in 2-3 is set, is to improve relaxation effect.
In the present embodiment, by setting third round nut 7-3 and the 4th round nut 7-1, the fixation to positioning sleeve 6 is realized,
It avoids in single nut fixation procedure, cutterhead 1 works long hours easy loosening, and by the circle spiral shells of third round nut 7-3 and the 4th
Second stop washer 7-2 in female 7-1 is set, is to improve relaxation effect.
In the present embodiment, threaded hole 6-1 is provided in the positioning sleeve 6.
In the present embodiment, the sealing cover 11 coordinated with floating seal lid 3 is provided on the floating seal seat 4, it is described close
Capping 11 is provided with multiple first bending parts close to the side of floating seal lid 3, be provided on the floating seal lid 3 it is multiple with
Second bending part of the first bending part cooperation.
In the present embodiment, by setting sealing cover 11, and by the way that the first bending part and the second bending part is set to coordinate, so as to
Sealing cover 11 forms labyrinth passage with floating seal lid 3, can effectively prevent the entrance of dust in work, so as to protect floating close
Envelope 12.
In the present embodiment, the sealing cover 11 is fixedly connected by fastening bolt 8 with floating seal seat 4.
When the utility model is used, locating piece 2 is set on development machine cantalever segment main shaft 9, and in development machine cantalever segment master
The first round nut 2-1, the first stop washer 2-2 and the second round nut 2-3 are set on axis 9 successively, and make the first round nut 2-1 with
Locating piece 2 is in close contact, and realizes the fixation to locating piece 2, is fixed so as to fulfill to the positioning of floating seal lid 3, and is being floated
It installs sealing cover 11 on sealing cover 3 additional, and makes second on first bending part and the floating seal lid 3 on sealing cover 11 to bend
Portion cooperates because sealing cover 11 and floating seal lid 3 form labyrinth passage, can effectively prevent dust in work into
Enter, so as to protect floating seal 12.And positioning sleeve 6 is set on development machine cantalever segment main shaft 9, and in development machine cantalever segment main shaft 9
On be set with third round nut 7-3, the second stop washer 7-2 and the 4th round nut 7-1 successively, and make third round nut 7-3 with it is fixed
Position set 6 is in close contact, and is realized the fixation of positioning sleeve 6, so as to fulfill the fixation of 5 inner ring of bearing, is prevented floating seal lid 3 and bearing
5 loosen, and ensure that development machine cantalever segment main shaft 9 runs well, and dust is avoided to enter floating seal 12, and sealing effect is good, improves
12 service life of development machine cantalever segment main shaft 9 and floating seal, it is highly practical.
The above is only the embodiment of the utility model, not the utility model is imposed any restrictions, every according to this
Any simple modification, change and the equivalent structure that utility model technical spirit makees above example change, and still fall within
In the protection domain of technical solutions of the utility model.
Claims (4)
1. floating seal seat and bearing fixing structure in a kind of development machine cantalever segment, it is characterised in that：Including being sleeved on development machine
The floating seal cover holding mechanism that is fixed on cantilever segment main shaft (9) and to floating seal lid (3) and to being sleeved on development machine
The bearing fixing mechanism that bearing (5) inner ring on cantilever segment main shaft (9) is fixed, the floating seal cover holding mechanism include
The locating piece (2) being sleeved on development machine cantalever segment main shaft (9) and the first secure component fastened to locating piece (2), described
One secure component include be sleeved on development machine cantalever segment main shaft (9) and be disposed with the first round nut (2-1) from the inside to the outside,
First stop washer (2-2) and the second round nut (2-3), the bearing fixing mechanism include being sleeved on development machine cantalever segment main shaft
(9) positioning sleeve (6) being fixed on and to bearing (5) inner ring and the second fastener fastened to positioning sleeve (6), it is described
Second secure component includes being sleeved on development machine cantalever segment main shaft (9) and being disposed with third round nut (7- from the inside to the outside
3), the second stop washer (7-2) and the 4th round nut (7-1).
2. floating seal seat and bearing fixing structure in a kind of development machine cantalever segment described in accordance with the claim 1, feature exist
In：Threaded hole (6-1) is provided in the positioning sleeve (6).
3. according to floating seal seat and bearing fixing structure in a kind of development machine cantalever segment described in claims 1 or 2, feature
It is：The sealing cover (11) coordinated with floating seal lid (3), the sealing cover (11) are provided on the floating seal seat (4)
The side of floating seal lid (3) is provided with multiple first bending parts, multiple and institute is provided on the floating seal lid (3)
State the second bending part of the first bending part cooperation.
4. floating seal seat and bearing fixing structure in a kind of development machine cantalever segment described in accordance with the claim 3, feature exist
In：The sealing cover (11) is fixedly connected by fastening bolt (8) with floating seal seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602363.8U CN207484554U (en) | 2017-11-25 | 2017-11-25 | Floating seal seat and bearing fixing structure in a kind of development machine cantalever segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602363.8U CN207484554U (en) | 2017-11-25 | 2017-11-25 | Floating seal seat and bearing fixing structure in a kind of development machine cantalever segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207484554U true CN207484554U (en) | 2018-06-12 |
Family
ID=62471636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721602363.8U Active CN207484554U (en) | 2017-11-25 | 2017-11-25 | Floating seal seat and bearing fixing structure in a kind of development machine cantalever segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207484554U (en) |
-
2017
- 2017-11-25 CN CN201721602363.8U patent/CN207484554U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710200 No. 7, Middle Section of Jingpu Road, Jingwei New City, Jingkai District, Xi'an City, Shaanxi Province Patentee after: Xi'an Coal Mining Machinery Co., Ltd. Address before: 710021 No. 8 Shangji Road, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee before: Xi'an Coal Mining Machinery Co., Ltd. |