CN205317452U - Oil injection pump test device - Google Patents
Oil injection pump test device Download PDFInfo
- Publication number
- CN205317452U CN205317452U CN201520969004.0U CN201520969004U CN205317452U CN 205317452 U CN205317452 U CN 205317452U CN 201520969004 U CN201520969004 U CN 201520969004U CN 205317452 U CN205317452 U CN 205317452U
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- China
- Prior art keywords
- valve
- oil injection
- injection pump
- pipeline
- machinery pipeline
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the experimental field of jet pump specifically is an oil injection pump test device. It is main including base, oil tank, import valve, variable frequency pump unit, mechanical pipeline, import pressure -measuring pipe, oil injection pump, export pressure -measuring pipe and mechanical pipeline. The quality of penetrating oily pump performance plays most important effect, the consequently also just also higher requirement of test device to detecting the oil injection pump working property to turbine unit lubricating oil system. The utility model discloses the device is oil injection pump combined test device, and installation easy operation is convenient, and the measuring accuracy is high, can test different models and penetrate oily pump performance parameter, also can carry out the durability test of different model oil injection pumps etc..
Description
Technical field
This utility model belongs to jet pump test field, is specially a kind of oil injection pump assay device.
Background technology
Oil injection pump is one of equipment important in Turbo-generator Set lubricating oil system, and its main task is that each bearing (including spring bearing and thrust bearing) to Turbo-generator Set, shaft coupling and barring gear provide qualified lubrication, cooling oil.
Oil injection pump is arranged in fuel tank below pasta, and it is made up of major parts such as nozzle, mixing chamber, throat and diffuser pipes. During work, the pressure oil that main oil pump comes penetrates from nozzle with significantly high speed, causes a negative pressuren zone in mixing chamber, and the oil in fuel tank is inhaled into mixing chamber. Simultaneously because oil viscosity, oil stream drives the oil sucking mixing chamber to enter oil ejector throat at a high speed, and the oil mass sucked from fuel tank is substantially equal to the power oil mass of main oil pump supply nozzle import. After oil stream enters anemostat by throat, speed reduces, and speed can partially change into again pressure energy, makes pressure raise, and is finally used by the oily feed system having certain pressure.
Steam turbine unit lubricating system is played vital effect by the quality of oil injection pump performance, therefore also that the assay device of detection oil injection pump performance is also just higher requirement, finds the domestic documents and materials not yet announcing relevant oil injection pump assay device through retrieval.
Utility model content
A kind of oil injection pump assay device described in the utility model, including base, fuel tank, inlet valve, variable frequency pump unit, machinery pipeline, import pressure-measuring pipe, oil injection pump, outlet pressure-measuring pipe and machinery pipeline;
Described fuel tank is placed on base, tank bottoms is connected with variable frequency pump unit import by pipeline, inlet valve, the outlet of described variable frequency pump unit passes sequentially through the first machinery pipeline, import pressure-measuring pipe is connected with oil injection pump import, the outlet of oil injection pump passes sequentially through outlet pressure-measuring pipe, the second machinery pipeline is connected with fuel tank, forms closed circuit;
Described first machinery pipeline is provided with the first valve and the second valve, is provided with flow meter I between described first valve and the second valve; Described first valve is located on the first machinery pipeline near the position of variable frequency pump machine set outlet; Described second valve is located on the first machinery pipeline near the position of import pressure-measuring pipe entrance point;
Described second machinery pipeline is provided with the second valve and the 4th valve, is provided with flow meter II between described second valve and the 4th valve; Described second valve is located on the second machinery pipeline near the position of the outlet pressure-measuring pipe port of export, and described 4th valve is located on the second machinery pipeline near the position of fuel tank;
Being provided with branch road on the first machinery pipeline between the first valve and variable frequency pump machine set outlet, described branch road connects the first machinery pipeline and fuel tank, and described branch road is provided with relief valve.
The bottom of described fuel tank is additionally provided with gate gurgle valve.
The caliber of described second machinery pipeline is more than the caliber of the first machinery pipeline;
The caliber of described branch road is less than the caliber of the first machinery pipeline.
There is provided pressure oil when described variable frequency pump unit is for test oil injection pump performance, when testing the oil injection pump of different parameters, flow and the pressure of pressure oil can be changed by regulating the rotating speed of variable frequency pump unit.
When the flow of pressure oil and pressure are bigger than normal in the inlet ductwork of oil injection pump, can pass through to open relief valve trace and regulate;
Described flow meter I is used for testing oil injection pump import department flow; Flow meter II is used for testing oil injection pump exit flow;
Described import pressure-measuring pipe is connected to pressure transducer, is used for testing oil injection pump inlet pressure;
Described outlet pressure-measuring pipe is connected to pressure transducer, is used for testing oil injection pump outlet pressure.
The beneficial effects of the utility model:
(1) this utility model device can test the performance parameter under different model oil injection pump actual condition, grasps the service behaviour of oil injection pump more accurately, and then ensures the operation safety of turbine oil system;
(2) this utility model device is oil injection pump combined test apparatus, it is possible to test different model oil injection pump performance parameter, it is also possible to carry out the endurancing etc. of different model oil injection pump;
(3) this utility model device is installed simple to operation, and measuring accuracy is high, can as product promotion after according to requirements simply improving.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of this utility model assay device;
Description of reference numerals:
1 base, 2 fuel tanks, 3 inlet valves, 4 relief valves, 5 variable frequency pump units, the 6, first valve, 7 first machinery pipelines, 8 flow meter I, 9 second valves, 10 import pressure-measuring pipes, 11 oil injection pumps, 12 outlet pressure-measuring pipe, 13 the 3rd valves, 14 flow meter II, 15 the 4th valves, 16 gate gurgle valves, 17 second machinery pipelines, 18 branch roads;
Detailed description of the invention:
Below in conjunction with accompanying drawing and specific embodiment, this utility model is further described, but protection domain of the present utility model is not limited to this.
Embodiment 1
Described fuel tank 2 is placed on base 1, it is connected with variable frequency pump unit 5 import by pipeline, inlet valve 3 bottom fuel tank 2, the outlet of described variable frequency pump unit 5 passes sequentially through the first machinery pipeline 7, import pressure-measuring pipe 10 is connected with oil injection pump 11 import, the outlet of oil injection pump 11 passes sequentially through outlet pressure-measuring pipe the 12, second machinery pipeline 17 and is connected with fuel tank 2, forms closed circuit;
Described first machinery pipeline 7 is provided with the first valve 6 and the second valve 9, is provided with flow meter I 8 between described first valve 6 and the second valve 9; Described first valve 6 is located on the first machinery pipeline 7 near the position of variable frequency pump unit 5 outlet; Described second valve 9 is located on the first machinery pipeline 7 near the position of import pressure-measuring pipe 10 entrance point;
Described second machinery pipeline 17 is provided with the second valve 13 and the 4th valve 15, is provided with flow meter II 14 between described second valve 13 and the 4th valve 15; Described second valve 13 is located on the second machinery pipeline 17 near the position of outlet pressure-measuring pipe 12 port of export, and described 4th valve 15 is located on the second machinery pipeline 17 near the position of fuel tank;
Being provided with branch road 18 on the first machinery pipeline 7 between the first valve 6 and variable frequency pump unit 5 export, described branch road 18 connects the first machinery pipeline 7 and fuel tank 2, and described branch road is provided with relief valve 4.
The bottom of described fuel tank 2 is additionally provided with gate gurgle valve 16.
First machinery pipeline 7 selects caliber DN50mm, and the second machinery pipeline 7 selects caliber DN80mm or DN100mm, and caliber DN15mm selected by branch road.
Embodiment 2
Described fuel tank 2 is placed on base 1, it is connected with variable frequency pump unit 5 import by pipeline, inlet valve 3 bottom fuel tank 2, the outlet of described variable frequency pump unit 5 passes sequentially through the first machinery pipeline 7, import pressure-measuring pipe 10 is connected with oil injection pump 11 import, the outlet of oil injection pump 11 passes sequentially through outlet pressure-measuring pipe the 12, second machinery pipeline 17 and is connected with fuel tank 2, forms closed circuit;
Described first machinery pipeline 7 is provided with the first valve 6 and the second valve 9, is provided with flow meter I 8 between described first valve 6 and the second valve 9; Described first valve 6 is located on the first machinery pipeline 7 near the position of variable frequency pump unit 5 outlet; Described second valve 9 is located on the first machinery pipeline 7 near the position of import pressure-measuring pipe 10 entrance point;
Described second machinery pipeline 17 is provided with the second valve 13 and the 4th valve 15, is provided with flow meter II 14 between described second valve 13 and the 4th valve 15; Described second valve 13 is located on the second machinery pipeline 17 near the position of outlet pressure-measuring pipe 12 port of export, and described 4th valve 15 is located on the second machinery pipeline 17 near the position of fuel tank;
Being provided with branch road 18 on the first machinery pipeline 7 between the first valve 6 and variable frequency pump unit 5 export, described branch road 18 connects the first machinery pipeline 7 and fuel tank 2, and described branch road is provided with relief valve 4.
The bottom of described fuel tank 2 is additionally provided with gate gurgle valve 16.
First machinery pipeline 7 selects caliber DN100mm, and the second machinery pipeline 17 selects caliber DN120mm or DN150mm, and caliber DN15mm selected by branch road.
Before on-test, oil injection pump 11 is fixed on the top cover of fuel tank 2, opens inlet valve the 3, first valve the 6, second valve the 9, the 3rd valve 13 and the 4th valve 15, close relief valve 4 and gate gurgle valve 16 (normally off). After ready, start variable frequency pump unit 5, low pressure oil in fuel tank 2 becomes hydraulic oil by inlet valve 3 through variable frequency pump unit 5, enters the first machinery pipeline 7, and hydraulic oil passes sequentially through the first valve along pipeline, flow meter I the 8, second valve 9, import pressure-measuring pipe 10 enter oil injection pump 11. The hydraulic oil entering oil injection pump 11 leaves the diffuser pipe of nozzle entrance oil injection pump with significantly high speed, negative pressure is formed at jet hole place, oil in fuel tank is under the effect of negative pressure, entered in the mixing chamber of oil injection pump by filter screen, diffuser pipe is entered together with the injection oil ejected, in diffuser pipe, the kinetic energy of oil converts pressure energy to, is mixed into low pressure oil. Low pressure oil out enters the second machinery pipeline 7 afterwards from oil injection pump 11, returns to fuel tank through outlet pressure-measuring pipe the 12, the 3rd valve 13, flow meter II the 14, the 4th valve 15, completes closed circuit of test. Start to test the import and export pressure of oil injection pump and flow after device closed circuit stable operation.
Claims (7)
1. an oil injection pump assay device, it is characterized in that, including base (1), fuel tank (2), inlet valve (3), variable frequency pump unit (5), the first valve (6), the first machinery pipeline (7), flow meter I (8), second valve (9), import pressure-measuring pipe (10), oil injection pump (11), outlet pressure-measuring pipe (12), 3rd valve (13), flow meter II (14), the 4th valve (15) and the second machinery pipeline (17);
Described fuel tank (2) is placed on base (1), fuel tank (2) bottom is connected with variable frequency pump unit (5) import by pipeline, inlet valve (3), the outlet of described variable frequency pump unit (5) passes sequentially through the first machinery pipeline (7), import pressure-measuring pipe (10) is connected with oil injection pump (11) import, the outlet of oil injection pump (11) passes sequentially through outlet pressure-measuring pipe (12), the second machinery pipeline (17) is connected with fuel tank (2), forms closed circuit;
Described first machinery pipeline (7) is provided with the first valve (6) and the second valve (9), is provided with flow meter I (8) between described first valve (6) and the second valve (9);
Described second machinery pipeline (17) is provided with the 3rd valve (13) and the 4th valve (15), is provided with flow meter II (14) between described 3rd valve (13) and the 4th valve (15).
2. a kind of oil injection pump assay device according to claim 1, it is characterised in that described first valve (6) is located at the first upper position exported near variable frequency pump unit (5) of machinery pipeline (7); Described second valve (9) is located at the first upper position near import pressure-measuring pipe (10) entrance point of machinery pipeline (7).
3. a kind of oil injection pump assay device according to claim 1, it is characterized in that, described 3rd valve (13) is located at the second upper position near outlet pressure-measuring pipe (12) port of export of machinery pipeline (17), and described 4th valve (15) is located at the second upper position near fuel tank of machinery pipeline (17).
4. a kind of oil injection pump assay device according to claim 1 and 2, it is characterized in that, the first machinery pipeline (7) between the first valve (6) and variable frequency pump unit (5) export is provided with branch road (18), described branch road (18) connects the first machinery pipeline (7) and fuel tank (2), and described branch road is provided with relief valve (4).
5. a kind of oil injection pump assay device according to claim 1, it is characterised in that the bottom of described fuel tank (2) is additionally provided with gate gurgle valve (16).
6. a kind of oil injection pump assay device according to claim 1, it is characterised in that the caliber of described second machinery pipeline (17) is more than the caliber of the first machinery pipeline (7).
7. a kind of oil injection pump assay device according to claim 4, it is characterised in that the caliber of described branch road (18) is less than the caliber of the first machinery pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520969004.0U CN205317452U (en) | 2015-11-30 | 2015-11-30 | Oil injection pump test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520969004.0U CN205317452U (en) | 2015-11-30 | 2015-11-30 | Oil injection pump test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205317452U true CN205317452U (en) | 2016-06-15 |
Family
ID=56189084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520969004.0U Expired - Fee Related CN205317452U (en) | 2015-11-30 | 2015-11-30 | Oil injection pump test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205317452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372050A (en) * | 2015-11-30 | 2016-03-02 | 江苏大学 | Test device of jet pump |
-
2015
- 2015-11-30 CN CN201520969004.0U patent/CN205317452U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372050A (en) * | 2015-11-30 | 2016-03-02 | 江苏大学 | Test device of jet pump |
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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: 20160615 Termination date: 20191130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |