CN203421037U - Hydraulic thrust pad device - Google Patents
Hydraulic thrust pad device Download PDFInfo
- Publication number
- CN203421037U CN203421037U CN201320552645.7U CN201320552645U CN203421037U CN 203421037 U CN203421037 U CN 203421037U CN 201320552645 U CN201320552645 U CN 201320552645U CN 203421037 U CN203421037 U CN 203421037U
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- CN
- China
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- oil
- watt
- oil inlet
- watt seat
- alloy tile
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Abstract
The utility model discloses a hydraulic thrust pad device which comprises a tilting fillet, an oil inlet and an oil inlet pipeline, wherein the oil inlet pipeline is externally connected with a high-pressure oil pump; a return oil groove is formed at the periphery of the tilting fillet; a return oil tube is arranged on one side of the return oil groove; an alloy tile and a mirror plate are arranged at the upper end of the tilting fillet; a shaft sleeve is vertically arranged on one side of the mirror plate; the mirror plate and the shaft sleeve are in an integral structure; the shaft sleeve is fixed on a step shaft; a concave space is formed in the upper plane of the tilting fillet; an oil storage chamber is formed through the concave space and the mirror plate; the lower end of the oil storage chamber is connected with the oil inlet. High-pressure oil passes through the oil inlet tube, the oil inlet, the oil storage chamber, the return oil groove and the return oil tube, and is fed back to the high-pressure pump after being cooled and filtered, so that a hydraulic loop is formed. The hydraulic thrust pad device is simple and concise in structural design, high in bearing force, stable in property of the whole equipment, not strict in requirements on roughness, flatness and balance degree of the mirror plate, long in service life, capable of operating without fault, free of tile combustion phenomenon, low in operation and maintenance costs, and easy to manage.
Description
Technical field
The utility model relates to thrust bearing shoe valve device, particularly a kind of hydraulic thrust watt device that is provided with sliding bearing.
Background technique
As everyone knows, rotating machinery carries main shaft rotation by bearing, and bearing mainly refers to rolling bearing (roller bearing) and the large class of sliding bearing (bearing shell) two.At relatively large rotating machinery, the use of rolling bearing, often because load-carrying ability is restricted, therefore, just must be used sliding bearing.Sliding bearing is divided into again radial-thrust bearing and axial thrust bearing according to structure.
Current end thrust watt, comprise various alloys watt, elastomeric plastics watt etc., be and rely on oil film isolation, its structure is all in watt seat plane of circle, fixing some half fan-shaped tile fragments, and between runner plate by the isolation operation of plane oil film, the deficiency that ubiquity is difficult in maintenance, rate of fault is high and working life is short; At some relatively large equipment (as the water turbine of pipe of reinforced concrete at Three Gorges Power Station), because axial force is large, because being subject to the restriction of pressure, volume is huge especially, thereby cost is high, is that current technology is insoluble maximum not enough.
Summary of the invention
The bearing capacity that provides a kind of hydraulic thrust watt device, this device to solve hydraulic thrust watt device is poor in order to solve the problems of the technologies described above for the utility model, unstable properties, the life-span is short and the technical problem such as easy tile kilning.
Technical problem to be solved in the utility model is achieved by the following technical programs: a kind of hydraulic thrust watt device, thrust bearing shoe valve device is arranged on Step Shaft upper end, thrust bearing shoe valve device comprises a watt seat, watt seat is installed on watt seat basis, in watt seat, be provided with oil inlet hole, oil inlet hole is communicated with the inflow pipeline of watt seat one side, inflow pipeline is external in high pressure oil pump, watt seat is arranged with oil-return groove outward, oil-return groove one side is provided with return tube, in the upper end of watt seat, be provided with alloy tile, the oil outlet end of alloy tile lower end surface and oil inlet hole be arranged in parallel, alloy tile upper end is provided with runner plate, on runner plate, be vertically provided with axle sleeve, runner plate and axle sleeve are structure as a whole, axle sleeve is fixed on Step Shaft.
Preferably, the upper plane of described watt seat is provided with a recessed space and runner plate forms shoe cream room, shoe cream room lower end is connected with oil inlet hole, and described alloy tile comprises interior alloy tile and outer alloy tile, and interior alloy tile and outer alloy tile are respectively on the inward flange and outward flange of watt seat.
Preferably, between described axle sleeve and Step Shaft, be provided with stiffening plate.
Preferably, on Step Shaft, two or more thrust bearing shoe valve devices can be coaxially installed.
The utility model provides a kind of hydraulic thrust watt device, the decoration structure features simple design of this device, there is stronger bearing capacity, the stable performance of whole equipment, not harsh to the requirement of the roughness of runner plate, planeness, the degree of balance, long service life, can failure-free operation, without tile kilning phenomenon, occur, operation and maintenance expense is low, is easy to management.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the present embodiment watt seat view.
Fig. 3 is the structural representation that the present embodiment is applied to vertical turbine.
Fig. 4 is the structural representation that the present embodiment is applied to horizontal water turbine.
Fig. 5 is the structure that two thrust bearing shoe valve devices of the present embodiment are in series.
Embodiment
In order to allow those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Fig. 1 ~ 5, the utility model discloses a kind of hydraulic thrust watt device, thrust bearing shoe valve device is arranged on Step Shaft 10 upper ends, thrust bearing shoe valve device comprises watt seat 1, watt seat 1 is installed on watt seat basis 2, in watt seat 1, be provided with oil inlet hole 3, oil inlet hole is communicated with the inflow pipeline 4 of watt seat one side, inflow pipeline 4 is external in high pressure oil pump 13, watt seat is arranged with oil-return groove 5 outward, oil-return groove 5 one sides are provided with return tube 6, in the upper end of watt seat, be provided with alloy tile 7, the oil outlet end 301 of alloy tile lower end surface and oil inlet hole be arranged in parallel, alloy tile upper end is provided with runner plate 8, the upper plane of watt seat 1 is provided with a recessed space and runner plate forms shoe cream room 11, shoe cream room 11 lower ends are connected with oil inlet hole 3, described alloy tile comprises interior alloy tile 701 and outer alloy tile 702, interior alloy tile 701 and outer alloy tile 702 are respectively on the inward flange 101 and outward flange 102 of watt seat 1.On runner plate, be vertically provided with axle sleeve 9, runner plate 8 is structure as a whole with axle sleeve 9, is provided with stiffening plate 12 between axle sleeve 9 and Step Shaft, and axle sleeve is fixed on Step Shaft 10.On Step Shaft, two or more thrust bearing shoe valve devices can be coaxially installed, as shown in Figure 5.
In the plane of watt seat, process concave shape, make it and runner plate between form a space as shoe cream room, in the plane of watt seat, on the inside and outside plain-straight-face flange of concave shape shoe cream room, fixedly alloy tile and outer alloy tile in circular ring, and alloy tile is contacted with runner plate facial plane.Bottom at concave shape shoe cream room, arranges oil inlet hole, and is connected with high pressure oil pump by inflow pipeline, to facilitate high pressure oil pump to shoe cream room fuel feeding.Runner plate and axle sleeve connect into integral body, are installed on Step Shaft.The oil film forming between alloy tile and runner plate, is determined by the flow of high pressure oil pump, the flow of high pressure oil pump is little, and the oil film of formation is thin, and the flow of high pressure oil pump is large, and the oil film of formation is thick.High pressure oil in shoe cream room forms oil film by the gap between alloy tile and runner plate, enter in oil-return groove, by return tube ejector carry out outward cooling, filter after, enter again high pressure oil pump, thereby realizing oil recycles, when the higher end thrust of demand, a plurality of thrust bearing shoe valve devices of can connecting on Step Shaft according to demand meet thrust, and thrust bearing shoe valve device can be two, three, four etc.
Compared with prior art, this apparatus structure is simple, and bearing capacity is strong, stable performance, and the life-span is long, energy failure-free operation, cost is low, without tile kilning phenomenon, occurs, and operation and maintenance expense is low, and economic benefit is high.
It is more than preferably implementation of the utility model; it should be noted that; in the situation that not deviating from the utility model spirit and essence thereof, those of ordinary skill in the art should belong to the protection domain of the appended claim of the utility model when making various corresponding changes and be out of shape according to the utility model.
Claims (4)
1. a hydraulic thrust watt device, thrust bearing shoe valve device is arranged on Step Shaft (10) upper end, it is characterized in that: thrust bearing shoe valve device comprises a watt seat (1), watt seat (1) is installed on watt seat basis (2), in watt seat (1), be provided with oil inlet hole (3), oil inlet hole is communicated with the inflow pipeline (4) of watt seat one side, inflow pipeline (4) is external in high pressure oil pump (13), watt seat is arranged with oil-return groove (5) outward, oil-return groove (5) one sides are provided with return tube (6), in the upper end of watt seat, be provided with alloy tile (7), the oil outlet end of alloy tile lower end surface and oil inlet hole (301) be arranged in parallel, alloy tile upper end is provided with runner plate (8), on runner plate, be vertically provided with axle sleeve (9), runner plate (8) is structure as a whole with axle sleeve (9), axle sleeve is synchronizeed with Step Shaft and is rotated and be fixed on Step Shaft (10).
2. hydraulic thrust according to claim 1 watt device, it is characterized in that: the upper plane of described watt seat (1) is provided with a recessed space and runner plate forms shoe cream room (11), shoe cream room (11) lower end is connected with oil inlet hole (3), described alloy tile comprises interior alloy tile (701) and outer alloy tile (702), and interior alloy tile (701) and outer alloy tile (702) are respectively on the inward flange (101) and outward flange (102) of a watt seat (1).
3. hydraulic thrust according to claim 1 watt device, is characterized in that: between described axle sleeve (9) and Step Shaft, be provided with stiffening plate (12).
4. according to the hydraulic thrust watt device described in claim 1 ~ 3 any one, it is characterized in that: on Step Shaft, two or more thrust bearing shoe valve devices can be coaxially installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552645.7U CN203421037U (en) | 2013-09-06 | 2013-09-06 | Hydraulic thrust pad device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552645.7U CN203421037U (en) | 2013-09-06 | 2013-09-06 | Hydraulic thrust pad device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421037U true CN203421037U (en) | 2014-02-05 |
Family
ID=50020136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552645.7U Expired - Fee Related CN203421037U (en) | 2013-09-06 | 2013-09-06 | Hydraulic thrust pad device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141686A (en) * | 2014-06-26 | 2014-11-12 | 哈尔滨电气动力装备有限公司 | Self-regulation high-pressure oil jacking structure |
| CN106704362A (en) * | 2017-01-09 | 2017-05-24 | 重庆大学 | Integral type coordinative-deformation water-lubrication thrust bearing |
-
2013
- 2013-09-06 CN CN201320552645.7U patent/CN203421037U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141686A (en) * | 2014-06-26 | 2014-11-12 | 哈尔滨电气动力装备有限公司 | Self-regulation high-pressure oil jacking structure |
| CN106704362A (en) * | 2017-01-09 | 2017-05-24 | 重庆大学 | Integral type coordinative-deformation water-lubrication thrust bearing |
| CN106704362B (en) * | 2017-01-09 | 2021-07-20 | 重庆大学 | Integral type coordinative deformation water lubrication thrust bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140906 |
|
| EXPY | Termination of patent right or utility model |