CN102345721A - Combined bearing bush device of large gear box - Google Patents
Combined bearing bush device of large gear box Download PDFInfo
- Publication number
- CN102345721A CN102345721A CN2011102861783A CN201110286178A CN102345721A CN 102345721 A CN102345721 A CN 102345721A CN 2011102861783 A CN2011102861783 A CN 2011102861783A CN 201110286178 A CN201110286178 A CN 201110286178A CN 102345721 A CN102345721 A CN 102345721A
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- China
- Prior art keywords
- thrust
- bush
- watt
- push force
- shoe valve
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- 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.)
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Abstract
The invention relates to a combined bearing bush device of a large gear box, which is arranged between a bottom plate of the gear box and a push force head of an output shaft of the gear box. The bearing bush device comprises a screw cover, a radial push force bush, a bush bearing seat, an upper axial push force bush and a lower axial push force bush, wherein the radial push force bush is sleeved outside the cylinder part of the push force head and is radially fixed through the bearing bush seat, the bottom of the bearing bush seat is fixed on the bottom plate through a bolt, the top of the bearing bush seat is fixedly connected with the screw cover for pressing the radial push force bush, the upper end face of the disk part of the push force head is provided with the upper axial push force bush, the upper axial push force bush is fixed on the bearing bush seat, the lower end face of the disk part of the push force head is pressed on the bottom plate through the lower axial push force bush, the lower axial push force bush is fixed on the bottom plate; and the screw cover, the radial pushing force bush, the bearing bush seat, the upper axial push force bush and the lower axial push force bush are in a multi-block combined structure. The combined bearing bush device has the advantages of compact structure, safety in use, convenience for installation and maintenance, low cost and the like.
Description
Technical field
The present invention relates to the large gear case, particularly relate to a kind of large gear case combined type bearing shell device that is applied to fields such as nuclear power water circulating cooling pump transmission device, hydroelectric power speedup box.
Background technique
The nuclear power water circulating cooling pump transmission device adopts the vertical-type planetary gear transmission usually; Motor is positioned at the top of entire equipment; In order to prevent the too high performance that influences motor and transmission device of water level; The integral device short transverse is long; Bear the water pump axial hydraulic thrust because of gear-box simultaneously, the necessary design safety of gear box structure is reliable.Usually gear-box supporting axle tile structure form has considerable influence to the safe handling of gear-box; The conventional gearbox bearing shell adopts overall structure form; Use the field to the large gear case; Integrally-built bearing shell is unreliable; In case damaging must be with the gear-box breakdown maintenance; Be unfavorable for maintaining, maintenance time is long, cost is high, and is bigger to the delay of proper functioning.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, and provide a kind of and be suitable for more reliably, labour-saving bearing shell device more, be particularly useful for that nuclear power water circulating cooling pump etc. is high-power, the occasion of high reliability request.
The technological scheme that the present invention adopts is: a kind of large gear case combined type bearing shell device; The bearing shell device is installed between the thrust collar of base plate and gearbox output shaft of gear-box; It is characterized in that: said bearing shell device comprises gland, radial thrust watt, bush seat, go up end thrust watt and axial thrust bearing shoe valve down; The tube portion overcoat radial thrust of thrust collar watt; Radial thrust watt is radially fixing through bush seat; Bush seat bottom is through being bolted on the base plate, and the bush seat roof anchorage connects gland pressing radial thrust watt; The dish portion upper-end surface of thrust collar is provided with end thrust watt, and last end thrust watt is fixed on the bush seat, and the dish subordinate end face of thrust collar is pressed together on the base plate through axial thrust bearing shoe valve down, and following axial thrust bearing shoe valve is fixed on the base plate; Said gland, radial thrust watt, bush seat, go up the axial thrust bearing shoe valve of end thrust watt, time and be the polylith fabricated structure.
Be provided with the base of band adjustment piece between said axial thrust bearing shoe valve down and base plate, base is fixed on the base plate, and following axial thrust bearing shoe valve is fixed on the base, and base supports axial thrust bearing shoe valve down by the adjustment piece.When the bearing shell device was installed, the adjustment piece was reserved the reconditioning surplus, was convenient to adjust the processing of bearing shell device, alignment error, guaranteed thrust collar and bearing shell device axially locating.
The inner side surface of said radial thrust watt, go up the lower end surface of end thrust watt and down the upper-end surface of axial thrust bearing shoe valve be equipped with babbit layer.Babbit layer has the anti-attrition characteristic, helps carrying.
Said down axial thrust bearing shoe valve bottom is provided with the high-pressure oil pipe joint.When maintenance, will descend axial thrust bearing shoe valve jack-up with high pressure oil through the high pressure oil joint, extract the following axial thrust bearing shoe valve of required replacing out, easy to maintenance.
The adjacent peripheral of said polylith bush seat is fastenedly connected by bolt, locating stud.
Said base is the polylith fabricated structure.
The outer water pump of gearbox output shaft, when the water pump proper functioning, output shaft is subjected to downward hydraulic thrust, and hydraulic thrust is delivered to down axial thrust bearing shoe valve by the dish portion of thrust collar, is born by gear-box through adjustment piece, base, base plate successively; When water pump is shut down or during counter-rotating, output shaft is subjected to hydraulic thrust upwards, hydraulic thrust is delivered to end thrust watt by the dish portion of thrust collar, is born by gear-box through bush seat, base plate successively.
Bearing shell device of the present invention adopts the last end thrust of polylith fabricated structure watt to carry the thrust of water pump to output shaft respectively with time axial thrust bearing shoe valve; Guarantee the high reliability usage requirement of gear-box; Has compact structure, safe in utilization, convenient for installation and maintenance, low cost and other advantages.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: casing 1, base plate 2, output shaft 3, thrust collar 4, thrust collar tube portion 41, thrust cephalic disc portion 42, bush seat 5, gland 6, radial thrust watts 7, last end thrust watts 8, following axial thrust bearing shoe valve 9, high-pressure oil pipe joint 10, adjustment piece 11, base 12.
Embodiment
Shown in Figure 1, a kind of large gear case combined type bearing shell device comprises bush seat 5, gland 6, radial thrust watts 7, go up end thrust watts 8, down axial thrust bearing shoe valve 9, high-pressure oil pipe joint 10, adjustment piece 11 and base 12.The thrust collar 4 of gear-box 1 connects output shaft 3; The base plate 2 that output shaft 3 stretches out gear-box 1 connects water pump; The radial thrust of thrust collar tube portion 41 overcoat polylith fabricated structures watts 7; The radial thrust of polylith fabricated structure watts 7 is radially fixing through polylith fabricated structure bush seat 5; The adjacent peripheral of polylith bush seat 5 is fastenedly connected by bolt, locating stud; Polylith bush seat 5 bottoms are through being bolted on the base plate 2, and polylith bush seat 5 roof anchorage connect polylith fabricated structure gland 6 pressing polylith group radial thrusts watts 7; Thrust cephalic disc portion 42 upper-end surfaces are provided with the last end thrust watts 8 of polylith fabricated structure; End thrust watts 8 is separately fixed on the polylith bush seat 5 on the polylith; 2 of thrust cephalic disc portion 42 lower end surfaces and base plates are provided with the following axial thrust bearing shoe valve 9 and base 12 of polylith fabricated structure; Axial thrust bearing shoe valve 9 is pressed together on the polylith base 12 through polylith adjustment piece 11 respectively under the polylith; Polylith base 12 is fixed on the base plate 2, and following axial thrust bearing shoe valve 9 bottom ends are provided with the high-pressure oil pipe joint 10 of external high pressure oil; The inner side surface of radial thrust watts 7, go up the lower end surface of end thrust watts 8 and down the upper-end surface of axial thrust bearing shoe valve 9 be equipped with babbit layer.
In this bearing shell device when maintenance,, the maintenance man gets into from gear-box, removes radial thrust bearing shell upper press cover fixing bolt, removes bush seat and base plate and bush seat fixing bolt each other, and radial thrust watt can be taken out repair and replacement; Remove end thrust bearing shell fixing bolt, last end thrust bearing shell gets final product repair and replacement; Remove down the fixing bolt of thrust bearing shoe briquetting and base, with the external high pressure oil of high-pressure oil pipe joint, will descend thrust bearing shoe briquetting jack-up, following thrust bearing shoe gets final product repair and replacement.
Claims (5)
1. large gear case combined type bearing shell device; The bearing shell device is installed between the thrust collar of base plate and gearbox output shaft of gear-box; It is characterized in that: said bearing shell device comprises gland, radial thrust watt, bush seat, go up end thrust watt and axial thrust bearing shoe valve down; The tube portion overcoat radial thrust of thrust collar watt; Radial thrust watt is radially fixing through bush seat; Bush seat bottom is through being bolted on the base plate, and the bush seat roof anchorage connects gland pressing radial thrust watt; The dish portion upper-end surface of thrust collar is provided with end thrust watt, and last end thrust watt is fixed on the bush seat, and the dish subordinate end face of thrust collar is pressed together on the base plate through axial thrust bearing shoe valve down, and following axial thrust bearing shoe valve is fixed on the base plate; Said gland, radial thrust watt, bush seat, go up the axial thrust bearing shoe valve of end thrust watt, time and be the polylith fabricated structure.
2. large gear case combined type bearing shell device according to claim 1; It is characterized in that: the base that is provided with band adjustment piece between said axial thrust bearing shoe valve down and base plate; Base is fixed on the base plate, and following axial thrust bearing shoe valve is fixed on the base, and base is by axial thrust bearing shoe valve under the supporting of adjustment piece.
3. large gear case combined type bearing shell device according to claim 1; It is characterized in that: the inner side surface of said radial thrust watt, go up the lower end surface of end thrust watt and the upper-end surface of axial thrust bearing shoe valve is all according to claim 1 or 2 or 3 described large gear case combined type bearing shell devices down, it is characterized in that: said down axial thrust bearing shoe valve bottom is provided with the high-pressure oil pipe joint.
4. large gear case combined type bearing shell device according to claim 2, it is characterized in that: the adjacent peripheral of said polylith bush seat is fastenedly connected by bolt, locating stud.
5. large gear case combined type bearing shell device according to claim 2, it is characterized in that: said base is the polylith fabricated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102861783A CN102345721A (en) | 2011-09-24 | 2011-09-24 | Combined bearing bush device of large gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102861783A CN102345721A (en) | 2011-09-24 | 2011-09-24 | Combined bearing bush device of large gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102345721A true CN102345721A (en) | 2012-02-08 |
Family
ID=45544667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102861783A Pending CN102345721A (en) | 2011-09-24 | 2011-09-24 | Combined bearing bush device of large gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102345721A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763669A (en) * | 2016-12-29 | 2017-05-31 | 重庆德运模具制造有限公司 | Vertical type transmission shaft assembly |
| CN112855898A (en) * | 2020-12-31 | 2021-05-28 | 湖南崇德科技股份有限公司 | Wind power gear box rotating shaft system |
| CN114876854A (en) * | 2022-06-14 | 2022-08-09 | 沈阳透平机械股份有限公司 | Method and device for controlling axial thrust of centrifugal compressor and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6293704B1 (en) * | 2000-03-21 | 2001-09-25 | The Timken Company | Shaft mounting with enhanced stability |
| WO2005008089A1 (en) * | 2003-07-11 | 2005-01-27 | Daimlerchrysler Ag | Bearing unit for a pinion shaft provided with thermal expansion compensation |
| CN201651081U (en) * | 2010-05-12 | 2010-11-24 | 重庆京庆重型机械有限公司 | Bearing bush installing structure of center drive speed reducer |
| CN201836238U (en) * | 2010-02-03 | 2011-05-18 | 上海减速机械厂有限公司 | Shafting structure for high-speed transmission device |
| CN202251850U (en) * | 2011-09-24 | 2012-05-30 | 江苏泰隆减速机股份有限公司 | Large gear-box combined bearing bush device |
-
2011
- 2011-09-24 CN CN2011102861783A patent/CN102345721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6293704B1 (en) * | 2000-03-21 | 2001-09-25 | The Timken Company | Shaft mounting with enhanced stability |
| WO2005008089A1 (en) * | 2003-07-11 | 2005-01-27 | Daimlerchrysler Ag | Bearing unit for a pinion shaft provided with thermal expansion compensation |
| US20060133709A1 (en) * | 2003-07-11 | 2006-06-22 | Hartmut Nied | Bearing unit |
| CN201836238U (en) * | 2010-02-03 | 2011-05-18 | 上海减速机械厂有限公司 | Shafting structure for high-speed transmission device |
| CN201651081U (en) * | 2010-05-12 | 2010-11-24 | 重庆京庆重型机械有限公司 | Bearing bush installing structure of center drive speed reducer |
| CN202251850U (en) * | 2011-09-24 | 2012-05-30 | 江苏泰隆减速机股份有限公司 | Large gear-box combined bearing bush device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763669A (en) * | 2016-12-29 | 2017-05-31 | 重庆德运模具制造有限公司 | Vertical type transmission shaft assembly |
| CN106763669B (en) * | 2016-12-29 | 2023-05-23 | 重庆完镁镁制品有限公司 | Vertical transmission shaft assembly |
| CN112855898A (en) * | 2020-12-31 | 2021-05-28 | 湖南崇德科技股份有限公司 | Wind power gear box rotating shaft system |
| CN112855898B (en) * | 2020-12-31 | 2022-02-11 | 湖南崇德科技股份有限公司 | Wind power gear box rotating shaft system |
| CN114876854A (en) * | 2022-06-14 | 2022-08-09 | 沈阳透平机械股份有限公司 | Method and device for controlling axial thrust of centrifugal compressor and storage medium |
| CN114876854B (en) * | 2022-06-14 | 2024-03-01 | 沈阳透平机械股份有限公司 | Axial thrust control method and device for centrifugal compressor and storage medium |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |