CN209245066U - Shield machine gear ring and the detachable main drive shaft of raceway are held - Google Patents
Shield machine gear ring and the detachable main drive shaft of raceway are held Download PDFInfo
- Publication number
- CN209245066U CN209245066U CN201822104227.7U CN201822104227U CN209245066U CN 209245066 U CN209245066 U CN 209245066U CN 201822104227 U CN201822104227 U CN 201822104227U CN 209245066 U CN209245066 U CN 209245066U
- Authority
- CN
- China
- Prior art keywords
- raceway
- outer ring
- ring
- gear
- end cover
- 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.)
- Withdrawn - After Issue
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000012761 high-performance material Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000222712 Kinetoplastida Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of shield machine gear rings and the detachable main drive shaft of raceway to hold, including outer ring assembl, the inner ring assembly being placed in the outer ring assembl, and rolling element and retainer between the outer ring assembl and the raceway of inner ring assembly, inner ring assembly includes ring gear and the inner gear ring track for being sheathed on the ring gear periphery, and outer ring assembl includes outer ring upper end cover, outer ring upper end cover raceway, outer ring lower bottom base and outer ring lower bottom base raceway.The utility model is held by setting gear ring and the separable shield machine of raceway with main drive shaft; tooth is collapsed in the bearing gear teeth or is seriously worn and when raceway is worn damaged part can be changed quickly; the material of different performance can be used according to the job requirement of outer ring matrix, raceway and the gear teeth when bearing integrally manufactures simultaneously; to reach reduction Maintenance Downtime; improve maintenance work efficiency; maintenance and manufacturing cost are reduced, the purpose of whole economic efficiency is increased.
Description
Technical field
The utility model belongs to shield machine technical field, particularly relates to a kind of shield machine and is held with main drive shaft, especially
It is related to a kind of gear ring and the separable three-row cylindrical roller bearing of raceway.
Background technique
It is shield machine to Cutting tool transmitting torque and the core component of power that shield machine main drive shaft, which is held, in existing shield
With in main drive system, main drive shaft is held generally using three-row cylindrical roller bearing machine, inner ring (gear ring), outer ring, rolling element and
Retainer is separable, and main operational principle is as follows: the torque from hydraulic motor or motor passes to after speed reducer
It is held on the driving pinion being meshed with main drive shaft, under the driving of more pinion gears, gear ring can be rotated with, bearing outer ring
Be bolted together with shield machine anterior shield, the threaded hole connecting with Cutting tool be machined on gear ring, shield machine forward
When driving, the torque from motor or motor passes to bearing gear ring, and then passes to bite by speed reducer, pinion gear
Disk, driving cutterhead rotation, to achieve the purpose that cut dregs.The primary structure that shield machine main drive shaft is held at present is as follows: 1)
The gear teeth and three column raceways are machined on bearing gear ring, to achieve the purpose that cooperate with pinion gear and bearing outer ring;2) outer ring be can
Separate type is machined with the three column raceways with roller cooperation.The above structure there are the shortcomings that it is as follows: 1) gear teeth and raceway are processed as one
Body need to carry out integral replacing when the gear teeth collapse tooth or serious wear, cause maintenance cost high, maintenance time is long;2) outer ring and rolling
Road is processed as one, and need to carry out integral replacing when raceway serious wear or quench-hardened case peeling;3) because bearing is worked
Stress is larger in journey, and the gear teeth and raceway require have higher hardness and wear-resisting property, and bearing basis material requires preferably
Toughness and plasticity, therefore for the bearing that the gear teeth and raceway are integrally machined, it needs using the higher material of overall performance, virtually
Increase the manufacturing cost of entire bearing.
Based on the above reasons, it is necessary to invent a kind of gear teeth and the separable shield machine of raceway is held with main drive shaft, in axis
It holds the gear teeth to collapse tooth or be seriously worn and when raceway is worn damaged part can be changed quickly, while can basis when bearing integrally manufactures
The job requirement of outer ring matrix, raceway and the gear teeth uses the material of different performance, to reach reduction Maintenance Downtime, improves dimension
Working efficiency is repaired, maintenance and manufacturing cost is reduced, increases the purpose of whole economic efficiency.
Summary of the invention
In order to overcome drawbacks described above, the utility model provides a kind of shield machine gear ring and the detachable main driving of raceway
Bearing can effectively reduce the processing and manufacturing cost of bearing, reduce maintenance time and the maintenance cost of bearing, improve manufacture and construction
Economic benefit.
The utility model is to solve technical solution used by its technical problem: a kind of shield machine gear ring and raceway
Detachable main drive shaft is held, and including outer ring assembl, the inner ring assembly being placed in the outer ring assembl, and is set to the outer ring assembl
Rolling element and retainer between the raceway of inner ring assembly, the inner ring assembly include ring gear and are sheathed on outside the ring gear
Annular convex platform, the ring gear rolling are correspondingly provided in the middle part of the periphery of the inner gear ring track in week, the ring gear and inner gear ring track
It is bolted to connection between road and the ring gear, the lateral surface at the both ends of the inner gear ring track and the corresponding ring
A column raceway is machined on the outside middle portion of shape boss respectively;The outer ring assembl includes outer ring upper end cover, outer ring upper end cover
Raceway, outer ring lower bottom base and outer ring lower bottom base raceway, the outer ring upper end cover connect by the way that bolt and the outer ring lower bottom base are fixed
It connects to form outer ring ontology, which is set to the inner ring assembly periphery;The outer ring lower bottom base raceway passes through spiral shell
Bolt is fixed on the outer ring lower bottom base, and the outer ring upper end cover raceway is fixed by bolts in the upper end cover of outer ring;The outer ring
It is corresponded on lower bottom base raceway and is correspondingly provided with two column raceways on one end of the inner gear ring track and the raceway at middle part, on the outer ring
The raceway that end cap raceway corresponds to the inner gear ring track other end is equipped with a column raceway;The inner gear ring track and outer ring are gone to the bottom
Retainer is respectively equipped between corresponding three column raceway on seat raceway and outer ring upper end cover raceway, which is equipped with can be
The rolling element rolled in the raceway.
It is machined on the inner gear ring track as a further improvement of the utility model, for being connected with cutter head of shield machine
Threaded hole.
The medial surface of the outer ring lower bottom base and outer ring upper end cover is respectively equipped with as a further improvement of the utility model,
The L-shaped mounting groove in section, the outer ring lower bottom base raceway and outer ring upper end cover raceway respectively correspond the L-shaped shape of Formation cross-section
Shape.
The axis of the rolling element on the column raceway among inner gear ring track is corresponded to as a further improvement of the utility model,
Line direction is parallel with the axis direction of the ring gear, the axis of the rolling element on the two column raceways at corresponding inner gear ring track both ends
Direction is vertical with the axis direction of the ring gear.
The rolling element is cylinder as a further improvement of the utility model, and the retainer is that nylon or copper close
Golden material is made.
The beneficial effects of the utility model are: 1) using separable design, the different parts of component can be adopted for gear ring and raceway
It is combined use with the material of different performance, bearing can be made to obtain necessary intensity, hardness and wear-resisting property and make axis
It holds and possesses higher toughness and plasticity, reduce the manufacturing cost of bearing;2) tooth or abrasion and raceway mill are collapsed in the bearing gear teeth
When damage damage, associated part can be replaced without integral replacing, reduce maintenance cost, reduce maintenance time, be improved
Economic and Saving in time costs.
Detailed description of the invention
Fig. 1 is the utility model structure principle chart.
In conjunction with attached drawing, make the following instructions:
1 --- ring gear;2 --- inner gear ring track;
11 --- annular convex platform;3 --- outer ring upper end cover;
4 --- outer ring upper end cover raceway;5 --- outer ring lower bottom base;
6 --- outer ring lower bottom base raceway;7 --- rolling element;
8 --- retainer.
Specific embodiment
Below in conjunction with attached drawing, elaborate to a preferred embodiment of the utility model.But the guarantor of the utility model
Shield range is not limited to following embodiments, i.e., in every case with simple made by present utility model application the scope of the patents and description
Equivalent changes and modifications all still belong within the utility model patent covering scope.
Refering to fig. 1, it is that a kind of shield machine gear ring and the detachable main drive shaft of raceway described in the utility model are held, wraps
The inner ring assembly for including outer ring assembl, being placed in the outer ring assembl, and between the outer ring assembl and the raceway of inner ring assembly
Rolling element 7 and retainer 8.
Wherein, inner ring assembly includes ring gear 1 and the inner gear ring track 2 for being sheathed on the ring gear periphery, inner gear ring track 2
On be machined with threaded hole for connecting with cutter head of shield machine, be correspondingly provided in the middle part of the periphery of ring gear 1 and inner gear ring track 2
Annular convex platform 11 is bolted to connection between inner gear ring track 2 and ring gear 1, the lateral surface at the both ends of inner gear ring track 2
And be machined with a column raceway respectively on the outside middle portion of corresponding annular convex platform 11, that is, it is machined with three column raceways.Corresponding internal tooth
The axis direction for enclosing the rolling element on the column raceway among raceway is parallel with the axis direction of the ring gear, corresponding ring gear
The axis direction of rolling element on the two column raceways at raceway both ends is vertical with the axis direction of the ring gear.
Ring gear 1 is manufactured using high performance material, and higher eternal, hardness and wearability can be obtained after heat treatment,
Be connected by high-strength bolts together with inner gear ring track 2, ring gear 1 is engaged with more pinion gears, transmitting from motor or
The torque of motor, when the pinion is rotated, ring gear 1 drive inner gear ring track 2 to rotate with it.
Wherein, outer ring assembl includes outer ring upper end cover 3, outer ring upper end cover raceway 4, outer ring lower bottom base 5 and outer ring lower bottom base
Raceway 6, outer ring upper end cover 3 are fixedly connected to form outer ring ontology by bolt and outer ring lower bottom base 5, which is arranged
In inner ring assembly periphery.Wherein, the medial surface of the outer ring lower bottom base and outer ring upper end cover is respectively equipped with the L-shaped installation in section
Slot, the outer ring lower bottom base raceway and outer ring upper end cover raceway respectively correspond the L-shaped shape of Formation cross-section.The rolling of outer ring lower bottom base
Road 6 is fixed by bolts in outer ring lower bottom base 5, and outer ring upper end cover raceway 4 is fixed by bolts in outer ring upper end cover 3;Outer ring
It is corresponded on lower bottom base raceway 6 and is correspondingly provided with two column raceways on one end of inner gear ring track 2 and the raceway at middle part, the rolling of outer ring upper end cover
The raceway of corresponding 2 other end of inner gear ring track in road 4 is equipped with a column raceway.
Outer ring upper end cover 3 is a part of bearing outer ring, is manufactured using the preferable material of flexible and plasticity, passes through high intensity
Bolt is connect with bearing lower bottom base 5 and main driving gear-box, and in shield machine tunneling process, the part and shield body state save one
It causes.The outer ring upper end cover is connect further through bolt with outer ring upper end cover raceway 4.
Outer ring upper end cover raceway 4 using high performance material fabricate, can get after heat treatment higher intensity, hardness and
Wear-resisting property is machined with a column raceway, is primarily subjected to axial force, is connect by bolt with outer ring upper end cover 3, shield machine work
When, rolling element moves on the raceway, to realize the stationary purpose of inner ring rotation, outer ring.
Outer ring lower bottom base 5 is that toughness and the preferable material of plasticity fabricate, and is machined with twice raceway, is primarily subjected to
Axial force and radial force are connect with main driving gear-box and outer ring lower bottom base raceway 6 respectively by bolt.
Outer ring lower bottom base raceway 6 is high performance material processing and manufacturing, can get higher hardness, intensity and resistance to after heat treatment
Mill property, is machined with two column raceways, is connect by high-strength bolt with outer ring lower bottom base 5, when shield machine works, the outer ring lower bottom base
Raceway 6 remains stationary, and rolling element moves on raceway.
Rolling element 7 is fabricated using high performance material, is cylindrical shape, is distributed in inner gear ring track 2, outer ring
Between upper end cover raceway 4 and outer ring lower bottom base raceway 6, in shield machine work, inner ring assembly rotation, outer ring assembl is static, rolling
Kinetoplast 7 moves between interior outer ring assembl.
The retainer 8 is made of nylon or Cu alloy material, is played fixed rolling element, is distributed in Internal and external cycle
Between raceway.
It can be seen that the utility model is held by setting gear ring and the separable shield machine of raceway with main drive shaft, in axis
It holds the gear teeth to collapse tooth or be seriously worn and when raceway is worn damaged part can be changed quickly, while can basis when bearing integrally manufactures
The job requirement of outer ring matrix, raceway and the gear teeth uses the material of different performance, to reach reduction Maintenance Downtime, improves dimension
Working efficiency is repaired, maintenance and manufacturing cost is reduced, increases the purpose of whole economic efficiency.
Claims (5)
1. a kind of shield machine gear ring and the detachable main drive shaft of raceway are held, including outer ring assembl, it is placed in the outer ring assembl
Inner ring assembly, and rolling element (7) and retainer (8) between the outer ring assembl and the raceway of inner ring assembly are special
Sign is: the inner ring assembly includes ring gear (1) and the inner gear ring track (2) for being sheathed on the ring gear periphery, the ring gear
(1) and in the middle part of the periphery of inner gear ring track it is correspondingly provided with annular convex platform (11), the inner gear ring track (2) and the ring gear
(1) it is bolted to connection between, the lateral surface at the both ends of the inner gear ring track (2) and the corresponding annular convex platform
A column raceway is machined on outside middle portion respectively;The outer ring assembl includes outer ring upper end cover (3), outer ring upper end cover raceway
(4), outer ring lower bottom base (5) and outer ring lower bottom base raceway (6), the outer ring upper end cover (3) are gone to the bottom by bolt and the outer ring
Seat (5) is fixedly connected to form outer ring ontology, which is set to the inner ring assembly periphery;The outer ring lower bottom base
Raceway (6) is fixed by bolts in the outer ring lower bottom base (5), and the outer ring upper end cover raceway (4) is fixed by bolts in outer
It encloses in upper end cover (3);One end of the inner gear ring track (2) and the raceway at middle part are corresponded on the outer ring lower bottom base raceway (6)
On be correspondingly provided with two column raceways, set on the raceway of corresponding inner gear ring track (2) other end of the outer ring upper end cover raceway (4)
There is a column raceway;The inner gear ring track (2) and on outer ring lower bottom base raceway (6) and outer ring upper end cover raceway (4) corresponding three
It is respectively equipped between column raceway retainer (8), which is equipped with the rolling element (7) that can be rolled in the raceway.
2. shield machine according to claim 1 gear ring and the detachable main drive shaft of raceway are held, it is characterised in that: described
The threaded hole for connecting with cutter head of shield machine is machined on inner gear ring track.
3. shield machine according to claim 1 gear ring and the detachable main drive shaft of raceway are held, it is characterised in that: described
The medial surface of outer ring lower bottom base and outer ring upper end cover is respectively equipped with the L-shaped mounting groove in section, the outer ring lower bottom base raceway and
Outer ring upper end cover raceway respectively corresponds the L-shaped shape of Formation cross-section.
4. shield machine according to claim 3 gear ring and the detachable main drive shaft of raceway are held, it is characterised in that: corresponding
The axis direction of the rolling element on a column raceway among inner gear ring track is parallel with the axis direction of the ring gear, in correspondence
The axis direction of rolling element on the two column raceways at gear ring raceway both ends is vertical with the axis direction of the ring gear.
5. shield machine according to claim 1 gear ring and the detachable main drive shaft of raceway are held, it is characterised in that: described
Rolling element is cylinder, and the retainer is made of nylon or Cu alloy material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822104227.7U CN209245066U (en) | 2018-12-14 | 2018-12-14 | Shield machine gear ring and the detachable main drive shaft of raceway are held |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822104227.7U CN209245066U (en) | 2018-12-14 | 2018-12-14 | Shield machine gear ring and the detachable main drive shaft of raceway are held |
Publications (1)
Publication Number | Publication Date |
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CN209245066U true CN209245066U (en) | 2019-08-13 |
Family
ID=67533191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822104227.7U Withdrawn - After Issue CN209245066U (en) | 2018-12-14 | 2018-12-14 | Shield machine gear ring and the detachable main drive shaft of raceway are held |
Country Status (1)
Country | Link |
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CN (1) | CN209245066U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340254A (en) * | 2018-12-14 | 2019-02-15 | 徐工集团凯宫重工南京股份有限公司 | Shield machine gear ring and the detachable main drive shaft of raceway are held |
-
2018
- 2018-12-14 CN CN201822104227.7U patent/CN209245066U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340254A (en) * | 2018-12-14 | 2019-02-15 | 徐工集团凯宫重工南京股份有限公司 | Shield machine gear ring and the detachable main drive shaft of raceway are held |
CN109340254B (en) * | 2018-12-14 | 2024-03-22 | 徐工集团凯宫重工南京股份有限公司 | Main driving bearing for shield machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190813 Effective date of abandoning: 20240322 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20190813 Effective date of abandoning: 20240322 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |