CN106646235A - Test device for low temperature submersible motor - Google Patents
Test device for low temperature submersible motor Download PDFInfo
- Publication number
- CN106646235A CN106646235A CN201710007167.4A CN201710007167A CN106646235A CN 106646235 A CN106646235 A CN 106646235A CN 201710007167 A CN201710007167 A CN 201710007167A CN 106646235 A CN106646235 A CN 106646235A
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- China
- Prior art keywords
- low temperature
- test device
- test
- tested
- hoistable platform
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000003949 liquefied natural gas Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a test device for a low temperature submersible motor, and belongs to the technical field of marine machinery. The test device comprises a bracket, a lifting platform, a dynamometer, a coupling, a test tank and a power mechanism, wherein the dynamometer is arranged on the lifting platform, the test tank is arranged right below the lifting platform, the dynamometer lifts to a proper position by controlling the movement of the lifting platform, an input shaft of the dynamometer can be coaxially connected with an output shaft of a to-be-tested low temperature submersible motor through the coupling so as to control the to-be-tested low temperature submersible motor to rotate, the dynamometer tests the low temperature submersible motor, and after the test is accomplished, the coupling can be disconnected, the lifting platform is controlled to ascend, the low temperature submersible motor is taken out, and the test of the next low temperature submersible motor can be prepared; the test device is simple in assembly process and is convenient to operate, and thus the test efficiency is improved.
Description
Technical field
The present invention relates to marine machinery technical field, more particularly to a kind of test device for low temperature immersed motor.
Background technology
It is gaseous fossil energy under a kind of normal temperature that natural gas is, for the ease of transport, it will usually apply high to natural gas
Pressure, and temperature is reduced, so that natural gas is converted into liquefied natural gas (English：Liquefied Natural Gas, abbreviation：
LNG).Due to LNG temperature it is very low, it is therefore desirable to transported using low temperature immersed pump.The supporting motor of this kind of pump is latent for low temperature
Liquid motor, operationally, low temperature immersed motor is directly immersed in LNG low temperature immersed pump.
Because LNG has low temperature, the easily characteristic such as vaporization, explosive, therefore cause the condition of work ten of low temperature immersed motor
Divide severe, it is also very high to the quality requirement of low temperature immersed motor.In order to improve security, low temperature immersed motor is completed in manufacture
Need afterwards to carry out strict test.
It is mainly used in experimental situation, the assembling of test device to the test device that low temperature immersed motor is tested at present
Journey is complex, and in production environment, needs to test substantial amounts of low temperature immersed motor, and test device assembling is excessively multiple
The miscellaneous efficiency that undoubtedly can reduce testing, therefore, existing test device is unsuitable for used in production environment.
The content of the invention
Complicated in order to solve existing test device assembling, the low problem of testing efficiency embodiments provides one
Plant the test device for low temperature immersed motor.The technical scheme is as follows：
A kind of test device for low temperature immersed motor is embodiments provided, the test device includes propping up
Frame, hoistable platform, dynamometer machine, shaft coupling, test tank and actuating unit, the hoistable platform is arranged on the bracket, described
Actuating unit is used to drive the hoistable platform vertically to move on the bracket, and the dynamometer machine is arranged on the liter
On drop platform, and the input shaft of the dynamometer machine arranges straight down, the test tank be arranged on the hoistable platform just under
Side, the test tank includes tank body and cover, is provided with first through hole on the cover, the test tank be used to holding liquid nitrogen and
Low temperature immersed motor to be tested, the shaft coupling is used for the input shaft of the coaxially connected dynamometer machine and described to be tested low
The output shaft of warm immersed motor.
Preferably, the support includes a rotary column being vertically arranged and many root posts that can be rotated around the rotary column, institute
State hoistable platform to be arranged on many root posts and the rotary column.
Further, the support also includes corresponding the slide rail for arranging, many root posts with many root posts
It is slidably arranged on the corresponding slide rail.
Preferably, the hoistable platform includes horizontal supporting plate, and the second through hole is provided with the horizontal supporting plate, described
Dynamometer machine is arranged on the horizontal supporting plate, and the input shaft of the dynamometer machine is located in second through hole.
Preferably, position limiting structure is provided with the tank body, the position limiting structure is used to limit the low temperature to be tested
The radial displacement of immersed motor.
Further, the position limiting structure includes the vertical limiting plate of polylith of the bottom for being arranged on the tank body, described many
The vertical limiting plate of block limits the shape matched with the bottom of the low temperature immersed motor to be tested.
Preferably, the position limiting structure also includes many mounting rods and for being set in the latent liquid electricity of the low temperature to be tested
Limitting casing on the outer wall of machine, one end of many mounting rods is connected with the limitting casing, many mounting rods it is another
End is connected with the inwall of the tank body, and the limitting casing is horizontally disposed with.
Preferably, it is provided with torque sensor on the shaft coupling.
Alternatively, it is provided with safety valve, temperature sensor, liquid level gauge, pressure sensor at least in the test tank
One.
Further, the actuating unit includes telescopic oil cylinder or the one kind in electric capstan.
The embodiment of the present invention includes support, hoistable platform, dynamometer machine and actuating unit by test device, and hoistable platform sets
Put on support, actuating unit is used to drive hoistable platform in the vertical direction to move so that dynamometer machine can be placed on into liter
On drop platform, control dynamometer machine by controlling hoistable platform movement and move up and down, can dive with low temperature in order to adjust dynamometer machine
The distance of liquid motor, by arranging test tank in the underface of hoistable platform, on the cover of test tank first through hole is provided with, and is made
Obtain when being tested, low temperature immersed motor to be tested can be put in test tank, and add liquid nitrogen, simulate LNG
Low temperature environment, while the output shaft for making low temperature immersed motor to be tested stretches out first through hole, moved by controlling hoistable platform
It is dynamic, make dynamometer machine be elevated to correct position, then can be by the input shaft of dynamometer machine and the latent liquid of low temperature to be tested by shaft coupling
The output shaft of motor is coaxially connected, rotates such that it is able to control low temperature immersed motor to be tested, by dynamometer machine to low temperature
Immersed motor is tested, and after test completion, can disconnect shaft coupling, and control hoistable platform rises, and takes out the latent liquid electricity of low temperature
Machine, you can preparation is tested next low temperature immersed motor, the assembling process of test device is simple, easy to operate, so as to
Improve the efficiency of test.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of test device for low temperature immersed motor provided in an embodiment of the present invention；
Fig. 2 is a kind of top view of test device for low temperature immersed motor provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of actuating unit provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another kind of actuating unit provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another actuating unit provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of test tank provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural representation of test device for low temperature immersed motor provided in an embodiment of the present invention, such as
Shown in Fig. 1, the test device includes support 10, hoistable platform 20, dynamometer machine 30, shaft coupling 40, test tank 50 and actuating unit
60, hoistable platform 20 is arranged over the mount 10, and actuating unit 60 is used to drive hoistable platform 20 over the mount 10 vertically
Mobile, dynamometer machine 30 is arranged on hoistable platform 20, and the input shaft 31 of dynamometer machine 30 is arranged straight down, and test tank 50 is arranged
In the underface of hoistable platform 20, test tank 50 includes tank body 51 and cover 52, first through hole 52a is provided with cover 52, surveys
Examination tank 50 is used to hold liquid nitrogen and low temperature immersed motor 70 to be tested, and shaft coupling 40 is used for the input of coaxially connected dynamometer machine 30
The output shaft 71 of axle 31 and low temperature immersed motor 70 to be tested.
The embodiment of the present invention includes support, hoistable platform, dynamometer machine and actuating unit by test device, and hoistable platform sets
Put on support, actuating unit is used to drive hoistable platform in the vertical direction to move so that dynamometer machine can be placed on into liter
On drop platform, control dynamometer machine by controlling hoistable platform movement and move up and down, can dive with low temperature in order to adjust dynamometer machine
The distance of liquid motor, by arranging test tank in the underface of hoistable platform, on the cover of test tank first through hole is provided with, and is made
Obtain when being tested, low temperature immersed motor to be tested can be put in test tank, and add liquid nitrogen, simulate LNG
Low temperature environment, while the output shaft for making low temperature immersed motor to be tested stretches out first through hole, moved by controlling hoistable platform
It is dynamic, make dynamometer machine be elevated to correct position, then can be by the input shaft of dynamometer machine and the latent liquid of low temperature to be tested by shaft coupling
The output shaft of motor is coaxially connected, rotates such that it is able to control low temperature immersed motor to be tested, by dynamometer machine to low temperature
Immersed motor is tested, and after test completion, can disconnect shaft coupling, and control hoistable platform rises, and takes out the latent liquid electricity of low temperature
Machine, you can preparation is tested next low temperature immersed motor, the assembling process of test device is simple, easy to operate, so as to
Improve the efficiency of test.
When realizing, test tank 50 can be arranged in melt pit, to avoid test tank 50 from overturning.
As shown in figure 1, hoistable platform 20 includes horizontal supporting plate 21, the second through hole 21a is provided with horizontal supporting plate 21,
Dynamometer machine 30 is arranged on horizontal supporting plate 21, and the input shaft 31 of dynamometer machine 30 is located in the second through hole 21a, in order to dynamometer machine
The connection of 30 input shaft 31 and the output shaft 71 of low temperature immersed motor 70 to be tested.
Specifically, dynamometer machine 30 can be connected by bolt with horizontal supporting plate 21.
Fig. 2 is a kind of top view of test device for low temperature immersed motor provided in an embodiment of the present invention, with reference to Fig. 1
And Fig. 2, support 10 is including a rotary column 12 being vertically arranged and can set around many root posts 11 of the rotation of rotary column 12, hoistable platform 20
Put on many root posts 11 and rotary column 12, due to low temperature immersed motor 70 to be tested, not only weight is big, and apparent size
Larger, some axial lengths can reach more than 1000mm, therefore low temperature immersed motor 70 to be tested is being put into into test tank
50 or when taking out from test tank 50, need by suspender, by arranging column 11 and rotary column 12, such that it is able to by support 10 around
Rotary column 12 to rotate, hoistable platform 20 is removed from the top of test tank 50, be easy to operate suspender.
Further, support 10 also includes slide rail 13, and many root posts 11 are slidably arranged on slide rail 11, are propped up in order to rotate
Frame 10.
It should be noted that due to the distance of the column 11 in Fig. 2 to rotary column 12 it is equal, therefore can be by two root posts 11
A slide rail 13 is shared, in other embodiments, it is also possible to be correspondingly arranged a slide rail 13 per root post 11.
Preferably, the test device can also include slew gear, and slew gear can be arranged on the bottom of rotary column 12, use
To drive support 10 to rotate around rotary column 12 so that the use of test device is convenient.
As shown in Fig. 2 being provided with multiple spacing hole 11a on horizontal supporting plate 21, horizontal supporting plate 21 passes through spacing hole 11a
It is sleeved on column 11 and rotary column 12.
It should be noted that, although the horizontal supporting plate 21 shown in Fig. 2 is triangular in shape, and in other embodiments, level
Fagging 21 can also be in other shapes, such as rectangle, circle etc., and the present invention is not limited thereto.
Fig. 3 is a kind of structural representation of actuating unit provided in an embodiment of the present invention, as shown in figure 3, actuating unit 60
Including the telescopic oil cylinder 61 being vertically arranged, installing plate 111, one end and the installing plate 111 of telescopic oil cylinder 61 are provided with column 11
Connection, the other end of telescopic oil cylinder 61 is connected with horizontal supporting plate 21, such that it is able to pass through to control the flexible reality of telescopic oil cylinder 61
The lifting of existing hoistable platform 20.
Preferably, installing plate 111 is provided with each column 11, actuating unit 60 includes multiple telescopic oil cylinders 61, stretches
Contracting oil cylinder 61 is corresponded with installing plate 111 and arranged, and the movement of hoistable platform 20 can be caused more steady.
It is contemplated that the top that installing plate 111 may be located at hoistable platform 20 can also be located at hoistable platform 20
Lower section, the present invention is not limited thereto.
Fig. 4 is the structural representation of another kind of actuating unit provided in an embodiment of the present invention, as shown in figure 4, actuating unit
60 include electric capstan 62, and hawser 63 is wound with the reel of electric capstan 62, and electric capstan 62 is fixedly mounted on horizontal support
On plate 21, one end of hawser 63 is fixed on the upper end of column 11, and such that it is able to pass through electric capstan 62 hawser 63 is involved in or releases
Realize the lifting of hoistable platform 20.
Fig. 5 is the structural representation of another actuating unit provided in an embodiment of the present invention, as shown in figure 5, shown in Fig. 5
Actuating unit is essentially identical with the actuating unit shown in Fig. 4, and difference is, in Fig. 5, the upper end of column 11 can also be arranged
Pulley 64, one end of hawser 63 bypasses and is fixed on after pulley 64 on hoistable platform 20, such that it is able to reduce controlling hoistable platform 20
Power required for lifting, advantageously reduces the power of electric capstan 62.
It is contemplated that assembly pulley can also be arranged on column 11 and hoistable platform 20, with further control liter is reduced
Drop platform 20 lifts required power, is conducive to further reducing the power of electric capstan 62.
Preferably, position limiting structure is provided with tank body 51, position limiting structure is used to limit low temperature immersed motor 70 to be tested
Radial displacement, such that it is able to avoid in test process, there is rocking by a relatively large margin in low temperature immersed motor 70.
Specifically, with reference to Fig. 1, position limiting structure includes the vertical limiting plate 81 of polylith of the bottom for being arranged on tank body 51, polylith
Vertically limiting plate 81 limits the shape matched with the bottom of low temperature immersed motor 70 to be tested so that when to be tested low
When warm immersed motor 70 is placed in tank body 51, the vertical limiting plate 81 of polylith is pasted with the outer wall of low temperature immersed motor 70 to be tested
Close.
Further, according to the vertical limiting plate 81 of arrangements polylith of the housing of low temperature immersed motor 70 to be tested
Position.
For example, if the cross sectional shape of the housing of low temperature immersed motor 70 to be tested is circle, the vertical limiting plate of polylith
81 can be in circumferentially-spaced arrangement；If the cross sectional shape of the housing of low temperature immersed motor 70 to be tested is rectangle, relative
Two pieces of vertical limiting plates 81 can be arranged in parallel.
Preferably, position limiting structure can also include many mounting rods 83 and for being set in low temperature immersed motor to be tested
Limitting casing 82 on 70 outer wall, one end of many mounting rods 83 is connected with limitting casing 82, the other end of many mounting rods 83 with
The inwall connection of tank body 51, limitting casing 82 is horizontally disposed with, spacing when low temperature immersed motor 70 to be tested is placed in tank body 51
The inwall of frame 82 is fitted on the outer wall of low temperature immersed motor 70 to be tested, such that it is able to further reduce low temperature to be tested
Immersed motor 70 is rocked.
Preferably, the distance between bottom surface of limitting casing 82 and tank body 51 is not less than low temperature immersed motor 70 to be tested
The half of height, to increase the distance between limitting casing 82 and vertical limiting plate 81, such that it is able to improve position limiting structure to be measured
The position-limiting action of the low temperature immersed motor 70 of examination.
Preferably, torque sensor 41 can be provided with shaft coupling 40, it is to be measured such that it is able to monitor in test process
The output torque of the low temperature immersed motor 70 of examination.
Fig. 6 is a kind of structural representation of test tank provided in an embodiment of the present invention, as shown in fig. 6, can in test tank 50
To be provided with safety valve 53, safety valve 53 can be opened when the air pressure in test tank 50 is too high, so as to reduce in test tank 50
Air pressure, it is to avoid explode.
Specifically, safety valve 53 can be arranged on cover 52.
Additionally, being also provided with pressure sensor 54 in test tank 50, monitor such that it is able to pass through pressure sensor 54
Air pressure in test tank 50, further improves the security of test.
As shown in fig. 6, temperature sensor 55 is also provided with test tank 50, with the temperature in monitoring and test tank 50.
Preferably, liquid level gauge 56 is also provided with test tank 50, test tank 50 can be shown by liquid level gauge 56
The height of middle liquid nitrogen, consequently facilitating tester is in time to filling liquid nitrogen in test tank 50, it is ensured that the accuracy of test.
Alternatively, test tank 50 can be double-decker, such that it is able to reduce liquid nitrogen and the heat exchange outside test tank 50, drop
The gasification rate of low liquid nitrogen.
Specifically, tank body 51 can be set to double-decker, is vacuum between internal layer 511 and outer layer 512.
When realizing, internal layer 511 can adopt S30408 stainless steels, outer layer 512 to adopt Q345R steel.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of test device for low temperature immersed motor, it is characterised in that the test device includes support (10), lifting
Platform (20), dynamometer machine (30), shaft coupling (40), test tank (50) and actuating unit (60), the hoistable platform (20) is arranged
On the support (10), the actuating unit (60) is erected for driving the hoistable platform (20) edge on the support (10)
To movement, the dynamometer machine (30) is arranged on the hoistable platform (20) Nogata, and the input shaft of the dynamometer machine (30)
(31) arrange straight down, the test tank (50) is arranged on the underface of the hoistable platform (20), the test tank (50)
Including tank body (51) and cover (52), first through hole (52a) is provided with the cover (52), the test tank (50) is for containing
Tapping nitrogen and low temperature immersed motor (70) to be tested, the shaft coupling (40) is defeated for the coaxially connected dynamometer machine (30)
Enter the output shaft (71) of axle (31) and the low temperature immersed motor to be tested.
2. test device according to claim 1, it is characterised in that the support (10) includes that for being vertically arranged turns
Post (12) and many root posts (11) that can be rotated around the rotary column (12), the hoistable platform (20) is arranged on many root posts
(11) and on the rotary column (12).
3. test device according to claim 2, it is characterised in that the support (10) also includes slide rail (13), described
Many root posts (11) are slidably arranged on the slide rail (11).
4. test device according to claim 1, it is characterised in that the hoistable platform (20) is including horizontal supporting plate
(21) the second through hole (21a), is provided with the horizontal supporting plate (21), the dynamometer machine (30) is arranged on the horizontal support
On plate (21), the input shaft (31) of the dynamometer machine (30) is in second through hole (21a).
5. test device according to claim 1, it is characterised in that is provided with position limiting structure in the tank body (51), institute
Position limiting structure is stated for limiting the radial displacement of the low temperature immersed motor (70) to be tested.
6. test device according to claim 5, it is characterised in that the position limiting structure includes being arranged on the tank body
(51) the vertical limiting plate of the polylith (81) of bottom, the vertical limiting plate (81) of the polylith limits and the low temperature to be tested
The shape that the bottom of immersed motor (70) matches.
7. test device according to claim 6, it is characterised in that the position limiting structure also includes many mounting rods (83)
With the limitting casing (82) for being set on the outer wall of the low temperature immersed motor (70) to be tested, many mounting rods
(83) one end is connected with the limitting casing (82), the other end of many mounting rods (83) and the inwall of the tank body (51)
Connection, the limitting casing (82) is horizontally disposed with.
8. the test device according to any one of claim 1～7, it is characterised in that be provided with the shaft coupling (40)
Torque sensor (41).
9. the test device according to any one of claim 1～7, it is characterised in that be provided with the test tank (50)
At least one of safety valve (53), temperature sensor (55), liquid level gauge (56), pressure sensor (54).
10. the test device according to any one of claim 1～7, it is characterised in that the actuating unit (60) is including stretching
One kind in contracting oil cylinder (61) or electric capstan (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007167.4A CN106646235B (en) | 2017-01-05 | 2017-01-05 | A kind of test device for low temperature immersed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007167.4A CN106646235B (en) | 2017-01-05 | 2017-01-05 | A kind of test device for low temperature immersed motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106646235A true CN106646235A (en) | 2017-05-10 |
| CN106646235B CN106646235B (en) | 2019-06-21 |
Family
ID=58844228
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007167.4A Active CN106646235B (en) | 2017-01-05 | 2017-01-05 | A kind of test device for low temperature immersed motor |
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| Country | Link |
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| CN (1) | CN106646235B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507587A (en) * | 2018-12-29 | 2019-03-22 | 中国科学院电工研究所 | Immersed motor test device |
| CN110653346A (en) * | 2019-10-12 | 2020-01-07 | 合肥达力机械制造有限公司 | Loading device for casting mold |
| CN110926670A (en) * | 2019-11-22 | 2020-03-27 | 华中科技大学 | High-rotating-speed vertical loading dynamometer and application thereof |
| KR20220161678A (en) * | 2021-05-31 | 2022-12-07 | 재단법인한국조선해양기자재연구원 | A device for watertightness and load testing of propulsion in all directions of the ship |
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| CN110926670A (en) * | 2019-11-22 | 2020-03-27 | 华中科技大学 | High-rotating-speed vertical loading dynamometer and application thereof |
| CN110926670B (en) * | 2019-11-22 | 2021-08-20 | 华中科技大学 | A high-speed vertical loading dynamometer and its application |
| KR20220161678A (en) * | 2021-05-31 | 2022-12-07 | 재단법인한국조선해양기자재연구원 | A device for watertightness and load testing of propulsion in all directions of the ship |
| KR102572331B1 (en) | 2021-05-31 | 2023-08-28 | 재단법인한국조선해양기자재연구원 | A device for watertightness and load testing of propulsion in all directions of the ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106646235B (en) | 2019-06-21 |
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