CN205300824U - Vertical liquid motor capability test platform of diving - Google Patents
Vertical liquid motor capability test platform of diving Download PDFInfo
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- CN205300824U CN205300824U CN201521126766.0U CN201521126766U CN205300824U CN 205300824 U CN205300824 U CN 205300824U CN 201521126766 U CN201521126766 U CN 201521126766U CN 205300824 U CN205300824 U CN 205300824U
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- mounting disc
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- tester
- disc
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Abstract
The utility model provides a vertical liquid motor capability test platform of diving, survey motor mounting disc and liquid nitrogen pond including support post, load motor mounting disc, tester mounting disc, quilt, the support post is fixed in the one side in liquid nitrogen pond, load motor mounting disc, tester mounting disc, quilt are surveyed motor mounting disc from the top down and are fixed in proper order on the support post. The beneficial effects of the utility model are that: overcome effectively that the flexibility that exists among traditional test method is poor, the degree of accuracy low, the wasting of resources seriously, security subalternation shortcoming.
Description
Technical field
This utility model belongs to machine field, especially relates to a kind of vertical immersed motor Testing Platform.
Background technology
Liquefied natural gas (LNG) as a kind of clean energy resource, in a lot of fields in be widely used. The conveying of LNG generally adopts low temperature immersed pump, and its motor used is all immersed in LNG liquid (-161 DEG C) and works. Immersed motor is as the core component of LNG pump, and its runnability directly affects the delivery safety of LNG. Owing to the bearing of immersed motor is all adopt LNG directly to lubricate, therefore the performance test of motor must carry out in LNG liquid.
Under normal circumstances, for the flammable consideration of LNG, in order to ensure safety, the performance test of immersed motor is all carry out in liquid nitrogen (-196 DEG C). First immersed pump is arranged on liquid nitrogen conveyance conduit, by measuring flow and the lift of liquid nitrogen, indirectly obtains the output of motor, and then calculate the efficiency of motor. This method of testing is primarily present following shortcoming:
1) this method of testing requires that motor must run by band impeller, and impeller load is with motor speed nonlinear change, and motor operating point can not arbitrarily adjust, very flexible;
2) fluid flow and lift are difficult to accurately measure, power of motor in prediction on such basis, and error is bigger;
3) calculated power efficiency is the general power of motor belt motor impeller, it is impossible to the performance of motor is carried out accurate evaluation.
For problem above, also has another kind of method of testing. It is about to be immersed in liquid nitrogen bucket by measured motor, from liquid nitrogen bucket lateral opening hole, motor shaft is drawn, then connect Conventional test equipment measurement. Main disadvantage is that of the method easily produces liquid nitrogen leakage between machine shaft and liquid nitrogen bucket, cause the wasting of resources, and easily cause Cryogenic burns, there is potential safety hazard.
Summary of the invention
In view of this, this utility model is directed to a kind of vertical immersed motor Testing Platform.
The technical solution of the utility model is achieved in that
A kind of vertical immersed motor Testing Platform, including support post, load motor mounting disc, tester mounting disc, tested motor installation disc and liquid nitrogen bath, described support post is fixed on the side of described liquid nitrogen bath, and described load motor mounting disc, tester mounting disc, tested motor installation disc are sequentially fixed on described support post from top to bottom.
Further, also including three supporting positioning members, described supporting positioning member is arranged on described support post, and lays respectively at the lower section of described load motor mounting disc, tester mounting disc and tested motor installation disc.
Further, described support post is solid cylinder structure, and described support post has hole, some location.
Further, described liquid nitrogen bath opening upwards, adopt semi-underground structure.
Further, one end of described load motor mounting disc is designed with sleeve A, it is possible to being enclosed within described support post, the side of described sleeve A has fixing hole A, having axis hole A in described load motor mounting disc, the top of described load motor mounting disc is provided with locating slot A;
One end of described tested motor installation disc is designed with sleeve pipe B, it is possible to be enclosed within described support post, and the side of described sleeve pipe B has fixing hole B, and described load motor mounting disc has axis hole B, and the bottom of described load motor mounting disc is provided with locating slot B;
One end of described tester mounting disc is designed with cannula C, it is possible to be enclosed within described support post, and described cannula C side has fixing hole C, and the other end of described tester mounting disc is provided with fixing plate.
Further, described load motor mounting disc is provided with the screw hole A of fixing motor, and tested motor installation disc is provided with the screw hole B of fixing motor, and described fixing plate is provided with the screw hole C of fixing tester.
Further, being provided with central through hole in the middle of described supporting positioning member, side has side opening.
This utility model has the advantage that and has the benefit effect that
1) test platform adopts vertical structure, effectively prevent weight of equipment and countershaft difficulty that difference in height is brought, connects convenient, operate more flexible.
2) parameters such as tested machine shaft and rotational speed and torque tester are joined directly together, rotational speed and torque can accurately measure, and output can accurately calculate, and Performance Evaluation is more accurate.
3) being adopted load motor to load by measured motor, rotational speed and torque can arbitrarily be arranged as required, and motor operating point can adjust flexibly, and performance test is more comprehensive.
4) liquid nitrogen bath adopts upper shed form, is entered liquid nitrogen bath by measured motor from top, has both ensured can be totally submerged by measured motor, met test condition, effectively prevent again liquid nitrogen and reveals and sealing problem, reduces the wasting of resources and potential safety hazard.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the assembling structural representation of this practical information;
Fig. 2 is the top view of load motor mounting disc in this utility model;
Fig. 3 is the side view of load motor mounting disc in this utility model;
Fig. 4 is the top view of tested motor installation disc in this utility model;
Fig. 5 is the side view of tested motor installation disc in this utility model;
Fig. 6 is the top view of tester mounting disc in this utility model;
Fig. 7 is the side view of tester mounting disc in this utility model;
Fig. 8 is the top view of supporting positioning member in this utility model;
Fig. 9 is the side view of supporting positioning member in this utility model.
In figure:
1, support post 101, location hole 2, supporting positioning member 201, central through hole
202, side opening 3, load motor mounting disc 301, sleeve A 302, axis hole A
303, screw hole A304, locating slot A305, fixing hole A4, tester mounting disc
401, cannula C 402, fixing plate 403, screw hole C404, fixing hole C
5, tested motor installation disc 501, sleeve pipe B502, axis hole B503, screw hole B
504, locating slot B505, fixing hole B6, liquid nitrogen bath 7, by measured motor
8, rotational speed and torque tester 9, load motor
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
As shown in Figures 1 to 9, this utility model includes support post 1, load motor mounting disc 3, tester mounting disc 4, tested motor installation disc 5 and liquid nitrogen bath 6, described support post 1 is fixed on the side of described liquid nitrogen bath 6, and described load motor mounting disc 3, tester mounting disc 4, tested motor installation disc 5 are sequentially fixed on described support post 1 from top to bottom.
Also including three supporting positioning members 2, described supporting positioning member 2 is arranged on described support post 1, and lays respectively at the lower section of described load motor mounting disc 3, tester mounting disc 4 and tested motor installation disc 5.
Described support post 1 is solid cylinder structure, described support post 1 has hole, some location 101, for stationary positioned support member and mounting disc.
Described liquid nitrogen bath 6 opening upwards, adopts semi-underground structure, it is possible to build squarely or circle.
Described load motor mounting disc 3 is mainly used in dead load motor, its one end is designed with sleeve A 301, can be enclosed within described support post 1, and slide up and down along support post 1 or carry out 360 degree of rotations around support post 1, the side of described sleeve A 301 has fixing hole A305, can be bolted with support post 1, described load motor mounting disc 3 has axis hole A302, for load motor axle is drawn down, the top of described load motor mounting disc 3 is provided with circular locating slot A304, installation for load motor positions, described load motor mounting disc 3 is provided with the circumferential screw hole A303 of fixing motor,
Described tested motor installation disc 5 is mainly used in fixing by measured motor, its one end is designed with sleeve pipe B501, can be enclosed within described support post 1, and slide up and down along support post 1 or carry out 360 degree of rotations around support post 1, the side of described sleeve pipe B501 has fixing hole B505, can be bolted with support post 1, described load motor mounting disc 5 has axis hole B502, for tested motor shaft is drawn upward, the bottom of described load motor mounting disc 5 is provided with circular locating slot B504, installation for load motor positions, described tested motor installation disc 5 is provided with the circumferential screw hole B503 of fixing motor,
Described tester mounting disc 4 is mainly used in installing rotational speed and torque tester, its one end is designed with cannula C 401, can be enclosed within described support post 1, and slide up and down along support post 1 or carry out 360 degree of rotations around support post 1, described cannula C 401 side has fixing hole C404, can be bolted with support post 1, the other end of described tester mounting disc 4 is provided with fixing plate 402, for fixed rotating speed torque tester, described fixing plate 402 is provided with the screw hole C403 of fixing tester.
Being provided with central through hole 201 in the middle of described supporting positioning member 2, side has 2 side openings 202. Can slide up and down along support post 1 as required; After position is determined, the side opening 202 of supporting positioning member 2 side can be alignd with the hole, location 101 on support post 1, and fix with bolt, be used for supporting mounting disc.
The work process of this test platform is as follows:
1) will be arranged in tested motor installation disc 5, tester mounting disc 4 and load motor mounting disc 3 by measured motor 7, rotational speed and torque tester 8, load motor 9, and fix with bolt respectively.
2) on support post 1, penetrate first supporting positioning member 2, will be equipped with being loaded support post 1 by the tested motor installation disc 5 of measured motor 7 simultaneously, entered liquid nitrogen bath 6 by measured motor 7 from top to down.Determine by measured motor 7 be mounted opposite height after, with the fixing supporting positioning member 2 of bolt.
3) on support post 1, second supporting positioning member 2 is penetrated, will be equipped with the tester mounting disc 4 of rotational speed and torque tester 8 simultaneously and load support post 1, after determining rotational speed and torque tester 8 and the relative altitude by measured motor 7, first fix second supporting positioning member 2 with bolt, then with shaft coupling, rotational speed and torque tester 8 is connected with by the rotating shaft of measured motor 7.
4) on support post 1, penetrate the 3rd supporting positioning member 2, will be equipped with the load motor mounting disc 3 of load motor 9 simultaneously and load support post 1, after determining the relative altitude of load motor 9 and rotational speed and torque tester 8, first fix the 3rd supporting positioning member 2 with bolt, then with shaft coupling, the rotating shaft of load motor 9 is connected with the rotating shaft of rotational speed and torque tester 8.
5) determine by the rotating shaft of measured motor 7, rotational speed and torque tester 8, load motor 9 connect errorless after, with bolt through fixing hole A305, fixing hole C404 and fixing hole B505, respectively three mounting discs are fixed on support post 1.
6) in liquid nitrogen bath 6, liquid nitrogen is injected, it is ensured that by measured motor 7 all by liquid nitrogen submergence.
7) connect each device power supply (DPS), carry out experiment test. Load by regulating load motor 9, it may be achieved operated by the variable load of measured motor 7.
8) after experiment terminates, first carry out liquid nitrogen recovery, then according to above step flashback operation, complete the dismounting of test platform.
This utility model has the advantage that and has the benefit effect that
1) test platform adopts vertical structure, effectively prevent weight of equipment and countershaft difficulty that difference in height is brought, connects convenient, operate more flexible.
2) parameters such as tested machine shaft and rotational speed and torque tester are joined directly together, rotational speed and torque can accurately measure, and output can accurately calculate, and Performance Evaluation is more accurate.
3) being adopted load motor to load by measured motor, rotational speed and torque can arbitrarily be arranged as required, and motor operating point can adjust flexibly, and performance test is more comprehensive.
4) liquid nitrogen bath adopts upper shed form, is entered liquid nitrogen bath by measured motor from top, has both ensured can be totally submerged by measured motor, met test condition, effectively prevent again liquid nitrogen and reveals and sealing problem, reduces the wasting of resources and potential safety hazard.
Above embodiment of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model. All equalizations made according to this utility model application range change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (7)
1. a vertical immersed motor Testing Platform, it is characterized in that: include support post (1), load motor mounting disc (3), tester mounting disc (4), tested motor installation disc (5) and liquid nitrogen bath (6), described support post (1) is fixed on the side of described liquid nitrogen bath (6), and described load motor mounting disc (3), tester mounting disc (4), tested motor installation disc (5) are sequentially fixed on described support post (1) from top to bottom.
2. vertical immersed motor Testing Platform according to claim 1, it is characterized in that: also include three supporting positioning members (2), described supporting positioning member (2) is arranged on described support post (1), and lays respectively at the lower section of described load motor mounting disc (3), tester mounting disc (4) and tested motor installation disc (5).
3. vertical immersed motor Testing Platform according to claim 1 and 2, it is characterised in that: described support post (1) is solid cylinder structure, and described support post (1) has hole, some location (101).
4. vertical immersed motor Testing Platform according to claim 1 and 2, it is characterised in that: described liquid nitrogen bath (6) opening upwards, adopt semi-underground structure.
5. vertical immersed motor Testing Platform according to claim 1 and 2, it is characterized in that: one end of described load motor mounting disc (3) is designed with sleeve A (301), can be enclosed within described support post (1), the side of described sleeve A (301) has fixing hole A (305), having axis hole A (302) on described load motor mounting disc (3), the top of described load motor mounting disc (3) is provided with locating slot A (304);
One end of described tested motor installation disc (5) is designed with sleeve pipe B (501), can be enclosed within described support post (1), the side of described sleeve pipe B (501) has fixing hole B (505), having axis hole B (502) on described load motor mounting disc (5), the bottom of described load motor mounting disc (5) is provided with locating slot B (504);
One end of described tester mounting disc (4) is designed with cannula C (401), can be enclosed within described support post (1), described cannula C (401) side has fixing hole C (404), and the other end of described tester mounting disc (4) is provided with fixing plate (402).
6. vertical immersed motor Testing Platform according to claim 5, it is characterized in that: described load motor mounting disc (3) is provided with the screw hole A (303) of fixing motor, tested motor installation disc (5) is provided with the screw hole B (503) of fixing motor, and described fixing plate (402) is provided with the screw hole C (403) of fixing tester.
7. vertical immersed motor Testing Platform according to claim 2, it is characterised in that: being provided with central through hole (201) in the middle of described supporting positioning member (2), side has side opening (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126766.0U CN205300824U (en) | 2015-12-28 | 2015-12-28 | Vertical liquid motor capability test platform of diving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126766.0U CN205300824U (en) | 2015-12-28 | 2015-12-28 | Vertical liquid motor capability test platform of diving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205300824U true CN205300824U (en) | 2016-06-08 |
Family
ID=56468705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521126766.0U Active CN205300824U (en) | 2015-12-28 | 2015-12-28 | Vertical liquid motor capability test platform of diving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205300824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424246A (en) * | 2015-12-28 | 2016-03-23 | 天津中科华瑞电气技术开发有限公司 | Vertical submersed motor performance test platform |
| CN109507587A (en) * | 2018-12-29 | 2019-03-22 | 中国科学院电工研究所 | Immersed motor test device |
-
2015
- 2015-12-28 CN CN201521126766.0U patent/CN205300824U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424246A (en) * | 2015-12-28 | 2016-03-23 | 天津中科华瑞电气技术开发有限公司 | Vertical submersed motor performance test platform |
| CN105424246B (en) * | 2015-12-28 | 2018-08-28 | 天津中科华瑞电气技术开发有限公司 | A kind of vertical immersed motor Testing Platform |
| CN109507587A (en) * | 2018-12-29 | 2019-03-22 | 中国科学院电工研究所 | Immersed motor test device |
| CN109507587B (en) * | 2018-12-29 | 2020-09-29 | 中国科学院电工研究所 | Submersible motor testing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |