CN202483866U - Multi-connection gear pump for combustion gas turbine - Google Patents
Multi-connection gear pump for combustion gas turbine Download PDFInfo
- Publication number
- CN202483866U CN202483866U CN2011204594602U CN201120459460U CN202483866U CN 202483866 U CN202483866 U CN 202483866U CN 2011204594602 U CN2011204594602 U CN 2011204594602U CN 201120459460 U CN201120459460 U CN 201120459460U CN 202483866 U CN202483866 U CN 202483866U
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- oil
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- shaft
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Abstract
The utility model relates to a gear pump, particularly relates to a multi-connection gear pump for a combustion gas turbine, and aims to solve the technical problems that in the prior art, the gear pump only can fill oil and discharge oil from one point, the manufacturing cost is high, the varieties of fittings are more, the detachment and the maintenance are not convenient, the operation reliability is low and the like. The multi-connection gear pump for the combustion gas turbine comprises a shell and a rear cover, wherein the shell is internally provided with a first driving gear shaft, a second driving gear shaft, a first driven shaft and a second driven shaft which are arranged in parallel; the first driving gear shaft and the second driving gear shaft are respectively connected with a first transmission gear and a second transmission gear; the four shafts are serially connected with five pairs of gear pairs which are outwards engaged; the five pairs of gear pairs are divided into five oil suction chambers and five oil pressing chambers in the shell; the shell is provided with six oil inlets, two oil outlets and one pressure adjusting opening; one oil inlet is connected with a lubricating pump and the other five oil inlets are communicated with the five oil suction chambers; and the oil outlets are communicated with the oil pressing chambers.
Description
Technical field
The utility model relates to a kind of gear pump, especially relates to a kind of gas turbine and uses multi-gear pump.
Background technique
Gas turbine is that the gas with continuous-flow is medium impeller high speed rotating, changes the energy of fuel the internal combustion type dynamic power machine of useful work into, is the wheeled heat engine of a kind of pivoting leaf.Gas turbine has the advantage that specific power is big, toggle speed is fast, noise is low.
The gas turbine lubricating oil system is an indispensable important auxiliary system of any gas turbine.Its effect be unit starting, normally the operation and stopping process in; Each bearing, transmission device and accessory thereof to the gas turbine that is moving; Sufficient, the lubricant oil that temperature and pressure is suitable, clean of supply quantity; To guarantee that unit safety moves reliably, prevent accidents such as bearing burns, rotor journal is crossed thermal bending, high gear flange distortion.In addition, partly lubricant oil possibly shunted out from system, becomes the oil sources of hydraulic system, or oily as using of control oil system after filtering.
For guaranteeing good lubricating to be provided to the equipment of gas turbine and driving thereof; Need the reliable and stable oil pump of configuration; Deliver to each lubricating point (bearing, gear etc.) to lubricating pump from the several lubricating oil tanks in the chassis that is located at unit, after cooling, filtration, flow back to each lubricating oil tank again.Lubricating oil primary pump is the work oil pump of unit when normally moving, and can be driven through equipment gear by main frame, also can be driven by Wechselstrommotor.
The model utility content
The utility model provides a kind of gas turbine and uses multi-gear pump; It mainly is that solution existing in prior technology gear pump can only be from some oil-feeds and fuel-displaced, and manufacture cost is higher, and the accessory kind is more; The low technical problem that waits of inconvenience installing/dismounting and maintenance, operational reliability.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of gas turbine of the utility model is used multi-gear pump, comprises housing and bonnet, is provided with first driving gear shaft, second driving gear shaft that laterally arrange in the described housing; First driven shaft, second driven shaft; First driving gear shaft, second driving gear shaft are connected with first driving gear, second driving gear respectively, are in series with 5 external meshed gears pairs on four axles, and 5 pairs of gear pairs are separated into 5 oil sucting cavities and 5 pumping cavities in enclosure interior; Housing is provided with 6 filler openings, 2 oil outlets, 1 pressure modulating opening; Wherein 1 filler opening is connected with lubricant pump, and all the other 5 filler openings are communicated with 5 oil sucting cavities, and oil outlet is communicated with pumping cavity.Oil pump adopts the secondary design of 5 pairs of external gear pumps of the identical number of teeth, and the number of teeth is 11, and modulus is 3.5, and pressure angle is that 28 ° gear pair is placed in the adaptor of aluminum, and bore and gear shaft match, and leans on flat key to drive.Gear pair and two chambeies about adaptor forms up and down, gear pair is placed in the middle of the adaptor 24, and 2 oil suction chambers and pumping cavity have designed opening slot about common formation on the adaptor, communicate respectively with into and out of hydraulic fluid port.
As preferably, described first driving gear shaft, second driving gear shaft, the two ends of first driven shaft, second driven shaft all are provided with bearing.Can be convenient to first driving gear shaft, second driving gear shaft like this, the rotation of first driven shaft, second driven shaft.
As preferably, described all gear pairs are involute profile all, and the number of teeth is identical.Gear pair rotates with driving shaft, realizes the suction functional oil of oil pump through the volume-variation of suction, pumping cavity.
As preferably, be parallel with 3 pairs of gear pairs on described first driving gear shaft and first driven shaft, be parallel with 2 pairs of gear pairs on second driving gear shaft and second driven shaft, separate with adaptor between the gear pair, adaptor is connected on the adapter.Adaptor is connected the interfix finger setting with adapter with 4 stainless steel screw rods.Driving gear shaft connects driving gear through key.
Therefore, the function of a plurality of gear pumps that the utility model is compound, have simple in structure, multiple spot oil-feed and fuel-displaced, it is low to manufacture cost, the accessory kind is few, is convenient to installing/dismounting and maintenance, characteristics such as operational reliability height.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the utility model;
Accompanying drawing 2 is left TV structure schematic representation of Fig. 1;
Accompanying drawing 3 is right TV structure schematic representation of Fig. 1;
Accompanying drawing 4 is A-A cross-sectional view of Fig. 2;
Accompanying drawing 8 is G-G cross-sectional view of Fig. 1.
Component, position and numbering among the figure: housing 1, bonnet 2, first driving gear shaft 3, second driving gear shaft 4, first driven shaft 5, second driven shaft 6, first driving gear 7, second driving gear 8, gear pair 9, adaptor 10, adapter 11, bearing 12.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technological scheme of the utility model.
Embodiment: a kind of gas turbine of this example is used multi-gear pump; Like Fig. 1, Fig. 2, Fig. 3, Fig. 4; Comprise housing 1 and bonnet 2, be provided with first driving gear shaft 3 that laterally arranges, second driving gear shaft, 4, the first driven shafts 5, second driven shaft 6 in the housing; First driving gear shaft, second driving gear shaft, the two ends of first driven shaft, second driven shaft all are provided with bearing 12.First driving gear shaft, second driving gear shaft are connected with respectively that to be in series with 5 external meshed gears on first driving gear 7,8, four axles of second driving gear secondary 9, and all gear pairs are involute profile all, and the number of teeth is identical.Wherein be parallel with on 3 pairs of gear pairs, 9, the second driving gear shafts 4 and second driven shaft 6 on first driving gear shaft 3 and first driven shaft 5 and be parallel with 2 pairs of gear pairs, separate with adaptor 10 between the gear pair, adaptor is connected on the adapter 11.5 pairs of gear pairs are separated into 5 oil sucting cavities and 5 pumping cavities in enclosure interior; Housing is provided with 6 filler openings; 2 oil outlet G, K, 1 pressure modulating opening J, wherein 1 filler opening A is connected with lubricant pump; All the other 5 filler opening B, C, D, F, H are communicated with 5 oil sucting cavities, and oil outlet is communicated with pumping cavity.
Like Fig. 5, shown in Figure 6, the number of teeth is 11, and modulus is 3.5, and pressure angle is that 28 ° gear pair is placed in the adaptor 10 of aluminum, and bore and gear shaft match, and leans on flat key to drive.Gear pair and two chambeies about adaptor forms up and down; With Fig. 5 upper gear pair is example, and gear pair is placed in the middle of the adaptor, forms an oil suction chamber and a pumping cavity jointly; Designed 2 opening slots on the adaptor 24, communicated with filler opening D and pumping cavity N respectively.
As shown in Figure 7, filler opening H and Q communicate, and get into pumping cavity M from the oil of three filler opening H, C, B through the gear pump pressurization, and communicate with oil outlet G.Shown in Fig. 6 and 8, the oil of filler opening F gets into pumping cavity P through the gear pump pressurization, also communicates with oil outlet G.The oil of filler opening D gets into pumping cavity N through the gear pump pressurization, and J communicates with pressure modulating opening.Pressure rising as pressure modulating opening J surpasses the pressure that pressure regulation oil duct E place pressure regulator valve is set, and backs down spring, and lubricant oil is communicated with filler opening D by pressure regulation oil duct E and gets back to oil sucting cavity, realizes the pressure adjusting.
As shown in Figure 5, the working principle of this pump is: first driving gear shaft 3 rotates counterclockwise under the driving of splined shaft, under the driving gear side effect, drives second driving gear shaft 4 and clockwise rotates.5 clockwise, second driven shaft 6 rotations counterclockwise of corresponding drive first driven shaft.Hydraulic oil gets into the oil sucting cavity of low voltage side from the filler opening C of oil pump side; Pumping cavity M one side of being brought into high pressure by the teeth groove space of the gear pair of engagement rotation again; Flow out through high-pressure oil duct oil outlet G from the side under pressure, for hydraulic system provides hydraulic power.
The above is merely the specific embodiment of the utility model; But the structure characteristic of the utility model is not limited thereto; Any those skilled in the art is in the field of the utility model, and variation of being done or modification all are encompassed among the claim of the utility model.
Claims (4)
1. a gas turbine is used multi-gear pump; Comprise housing (1) and bonnet (2); It is characterized in that being provided with in the described housing (1) first driving gear shaft (3), second driving gear shaft (4) that laterally arrange, first driven shaft (5), second driven shaft (6), first driving gear shaft, second driving gear shaft are connected with first driving gear (7), second driving gear (8) respectively; Be in series with 5 external meshed gears secondary (9) on four axles; 5 pairs of gear pairs are separated into 5 oil sucting cavities and 5 pumping cavities in enclosure interior, and housing is provided with 6 filler openings, 2 oil outlets, 1 pressure modulating opening, and wherein 1 filler opening is connected with lubricant pump; All the other 5 filler openings are communicated with 5 oil sucting cavities, and oil outlet is communicated with pumping cavity.
2. a kind of gas turbine according to claim 1 is used multi-gear pump, it is characterized in that described first driving gear shaft (3), second driving gear shaft (4), and the two ends of first driven shaft (5), second driven shaft (6) all are provided with bearing (12).
3. a kind of gas turbine according to claim 1 and 2 is used multi-gear pump, it is characterized in that described all gear pairs (9) are involute profile all, and the number of teeth is identical.
4. a kind of gas turbine according to claim 1 and 2 is used multi-gear pump; It is characterized in that being parallel with 3 pairs of gear pairs (9) on described first driving gear shaft (3) and first driven shaft (5); Be parallel with 2 pairs of gear pairs on second driving gear shaft (4) and second driven shaft (6); Separate with adaptor (10) between the gear pair, adaptor is connected on the adapter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204594602U CN202483866U (en) | 2011-11-18 | 2011-11-18 | Multi-connection gear pump for combustion gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204594602U CN202483866U (en) | 2011-11-18 | 2011-11-18 | Multi-connection gear pump for combustion gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483866U true CN202483866U (en) | 2012-10-10 |
Family
ID=46958292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204594602U Expired - Fee Related CN202483866U (en) | 2011-11-18 | 2011-11-18 | Multi-connection gear pump for combustion gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329172A (en) * | 2014-11-19 | 2015-02-04 | 哈尔滨广瀚燃气轮机有限公司 | Gas turbine lubricating oil component |
| CN104358686A (en) * | 2014-11-19 | 2015-02-18 | 哈尔滨广瀚燃气轮机有限公司 | Electric lubricating oil scavenging pump of combustion gas turbine |
| CN111120299A (en) * | 2019-12-11 | 2020-05-08 | 清远市高新精旺新能源研究院有限公司 | Gear pump for conveying low-viscosity waste liquid |
-
2011
- 2011-11-18 CN CN2011204594602U patent/CN202483866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329172A (en) * | 2014-11-19 | 2015-02-04 | 哈尔滨广瀚燃气轮机有限公司 | Gas turbine lubricating oil component |
| CN104358686A (en) * | 2014-11-19 | 2015-02-18 | 哈尔滨广瀚燃气轮机有限公司 | Electric lubricating oil scavenging pump of combustion gas turbine |
| CN111120299A (en) * | 2019-12-11 | 2020-05-08 | 清远市高新精旺新能源研究院有限公司 | Gear pump for conveying low-viscosity waste liquid |
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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: 20121010 Termination date: 20201118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |