CN110501140B - Self-propelled ship model propeller power instrument - Google Patents
Self-propelled ship model propeller power instrument Download PDFInfo
- Publication number
- CN110501140B CN110501140B CN201910950376.1A CN201910950376A CN110501140B CN 110501140 B CN110501140 B CN 110501140B CN 201910950376 A CN201910950376 A CN 201910950376A CN 110501140 B CN110501140 B CN 110501140B
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- shaft sleeve
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- bearing
- self
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- 238000007789 sealing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002274 desiccant Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000003921 oil Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
Abstract
The invention discloses a self-propelled ship model propeller power instrument, which comprises: the shell is of a hollow structure; the drive division, drive division wears to locate in the casing, includes: the input shaft is supported in the shell through a first bearing and a second bearing, the first end of the input shaft extends out of the first end of the shell and is connected with the driving motor, and the second end of the input shaft is arranged in the shell; the push button force sensor is arranged in the shell, and the first end of the push button force sensor is connected with the second end of the input shaft; the output shaft is supported in the shell through a third bearing, the first end of the output shaft is connected with the second end of the push button force sensor, and the second end of the output shaft extends out of the second end of the shell and is connected with the propeller; the sliding ring is arranged in the shell and sleeved on the input shaft, and the push button force sensor is electrically connected with the sliding ring; the output interface is arranged on the outer side of the shell, is electrically connected with the slip ring and is used for outputting an electric signal. The power instrument has compact structure and can be installed in a ship model.
Description
Technical Field
The invention belongs to the field of ship model self-propulsion test instruments, and particularly relates to a self-propulsion ship model propeller power instrument.
Background
In order to obtain many factors of interaction between the propeller and the hull in the ship design process, a ship model self-propulsion test is generally utilized to obtain corresponding data. The self-navigation ship model propeller power instrument is an important instrument for ship model self-navigation test.
The existing ship model power instrument is usually arranged on a bracket, the lower end of the ship model power instrument is deeply immersed in water, and a propeller is partially arranged in the water, so that the thrust and the torsion of the propeller under the working states of different rotating speeds are obtained.
In practice, the propeller mounted behind the hull and the hull influence each other in the vicinity of the water velocity field and the pressure field, and the power meter of the prior art cannot be mounted in the ship model, so that accurate data cannot be obtained.
Disclosure of Invention
In order to solve the problems, the technical problem to be solved by the invention is to provide a self-propelled ship model propeller power instrument which has a compact structure and can be installed in a ship model.
The technical scheme of the invention is as follows:
a self-propelled ship model propeller power meter comprising:
the shell is of a hollow structure;
the transmission portion, transmission portion wears to locate in the casing includes:
the input shaft is supported in the shell through a first bearing and a second bearing, the first end of the input shaft extends out of the first end of the shell and is connected with the driving motor, and the second end of the input shaft is arranged in the shell;
the push button force sensor is arranged in the shell, and a first end of the push button force sensor is connected with a second end of the input shaft;
the output shaft is supported in the shell through a third bearing, a first end of the output shaft is connected with a second end of the push button force sensor, and a second end of the output shaft extends out of the second end of the shell and is connected with the propeller;
the sliding ring is arranged in the shell and sleeved on the input shaft, and the push button force sensor is electrically connected with the sliding ring;
the output interface is arranged on the outer side of the shell, is electrically connected with the slip ring and is used for outputting an electric signal.
According to an embodiment of the invention, the housing comprises:
a first end cap, the first end of the first end cap being the first end of the housing;
the first end of the first shaft sleeve is connected with the second end of the first end cover, and the first bearing is arranged on the first shaft sleeve;
the first end of the second shaft sleeve is connected with the second end of the first shaft sleeve;
the first end of the third shaft sleeve is connected with the second end of the second shaft sleeve, and the second bearing is arranged on the third shaft sleeve;
the fourth shaft sleeve is sleeved on the output shaft, and the first end of the fourth shaft sleeve is connected with the second end of the third shaft sleeve;
the first end of the second end cover is connected to the second end of the fourth shaft sleeve, the second end of the second end cover is the second end of the shell, and the third bearing is arranged on the second end cover.
According to an embodiment of the invention, a storage bin is arranged on the fourth shaft sleeve, a drying agent is stored in the storage bin, a through hole is formed in one side, close to the output shaft, of the storage bin, and the through hole is used for being communicated with the output shaft.
According to one embodiment of the invention, a transparent window is arranged on one side of the storage bin, which is far away from the output shaft.
According to an embodiment of the invention, a first lip seal is arranged between the first end of the first end cap and the input shaft.
According to an embodiment of the invention, a second lip seal is arranged between the second end of the second end cap and the output shaft.
According to an embodiment of the present invention, the output interface is disposed outside the second sleeve.
According to an embodiment of the invention, the device comprises a baffle ring sleeved on the input shaft and arranged on one side of the second end of the slip ring, wherein the first end of the slip ring is abutted against the second end of the first shaft sleeve.
According to an embodiment of the invention, the first end cover, the first shaft sleeve, the second shaft sleeve, the third shaft sleeve, the fourth shaft sleeve and the second end cover are detachably connected, and sealing rings are arranged at the connecting parts.
According to an embodiment of the invention, the third shaft sleeve is provided with an oil retainer on one side of the second bearing close to the slip ring, and the first shaft sleeve is provided with a third lip-shaped sealing ring on one side of the first bearing close to the slip ring.
By adopting the technical scheme, the invention has the following advantages and positive effects compared with the prior art:
(1) The embodiment of the invention is provided with the shell, the transmission part, the slip ring and the output interface, so that the power instrument has a compact structure and can be installed in the ship model body to accurately obtain corresponding test data.
(2) The shell comprises the first end cover, the first shaft sleeve, the second shaft sleeve, the third shaft sleeve, the fourth shaft sleeve and the second end cover, so that the whole structure is modularized, and the installation, the debugging and the later maintenance are convenient.
(3) In the embodiment of the invention, the drying agent is arranged in the shell near the output shaft and is used for preventing water vapor from entering the push button force sensor from one side of the output shaft and preventing the push button force sensor from malfunctioning.
(4) In the embodiment of the invention, the first lip-shaped sealing ring, the second lip-shaped sealing ring and the connecting parts among the modularized structures are provided with sealing rings so as to achieve the integral waterproof requirement.
(5) In the embodiment of the invention, the oil retainer ring and the third lip-shaped sealing ring are arranged to prevent bearing oil from entering the slip ring.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a cross-sectional view of a self-propelled ship model propeller power meter of the present invention.
Reference numerals illustrate:
1: an input shaft; 2: a push button force sensor; 3: an output shaft; 4: a slip ring; 5: an output interface; 6: a first end cap; 7: a first sleeve; 8: a second sleeve; 9: a third sleeve; 10: a fourth sleeve; 11: a second end cap; 12: a storage bin; 13: a transparent window; 14: a first lip seal; 15: a second lip seal; 16: a baffle ring; 17: oil slinger; 18: a third lip seal; 19: a first bearing; 20: a second bearing; 21: and a third bearing.
Detailed Description
The invention provides a self-propelled ship model propeller power instrument which is further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the invention will become more apparent from the following description and from the claims. It is noted that the drawings are in a very simplified form and utilize non-precise ratios, and are intended to facilitate a convenient, clear, description of the embodiments of the invention.
Referring to fig. 1, a self-propelled ship model propeller power instrument comprises a shell, a transmission part, a slip ring 4 and an output interface 5. The shell is of a hollow structure, the transmission part is arranged in the shell in a penetrating way and comprises an input shaft 1, a push button force sensor 2 and an output shaft 3, the input shaft 1 is supported in the shell through a first bearing 19 and a second bearing 20, the first bearing 19 is a pair of angle contact ball bearings, one side of the first bearing 19, which is close to the first end of the shell, is provided with a round nut with a locking groove, is convenient for assembling the bearing and can eliminate thread side gaps, the play of the bearing is ideally adjusted, the end face runout can be eliminated, the second bearing 20 is a deep groove ball bearing, the first end of the input shaft 1 extends out of the first end of the shell and is connected with a driving motor through a coupling, the driving motor provides driving force to drive the input shaft 1 to rotate, and the second end of the input shaft 1 is arranged in the shell; the push button force sensor 2 is arranged in the shell, and a first end of the push button force sensor 2 is connected with a second end of the input shaft 1; the output shaft 3 is supported in the shell through a third bearing 21, a first end of the output shaft 3 is connected with a second end of the push button force sensor 2, and a second end of the output shaft 3 extends out of the second end of the shell and is connected with the propeller through a coupling; the input shaft 1, the push button force sensor 2 and the output shaft 3 form a complete force transmission channel, and after the output shaft 3 drives the propeller to rotate, the propeller receives the acting force of water flow to transmit thrust and torsion to the push button force sensor 2 through the output shaft 3 so as to measure corresponding data; the sliding ring 4 is arranged in the shell and sleeved on the input shaft 1, the push button force sensor 2 is electrically connected with the sliding ring 4, one end of a cable penetrating through a through hole of a hollow part on the input shaft 1 is connected with the push button force sensor 2, the other end is connected with the sliding ring 4, and the sliding ring 4 is a high-speed conductive sliding ring; the output interface 5 is arranged on the outer side of the shell and is electrically connected with the slip ring 4 and used for outputting an electric signal, and the output interface 5 is a metal cable waterproof joint. The power instrument has a compact structure, can be installed in a ship model body, and is suitable for ship models with different sizes so as to accurately obtain corresponding test data.
Further, the housing is provided with a first end cover 6, a first shaft sleeve 7, a second shaft sleeve 8, a third shaft sleeve 9, a fourth shaft sleeve 10 and a second end cover 11 in sequence from the input shaft 1 to the output shaft 3. The first end of the first end cap 6 is the first end of the housing; the first end of the first shaft sleeve 7 is connected to the second end of the first end cover 6, and the first bearing 19 is arranged on the first shaft sleeve 7; the first end of the second sleeve 8 is connected to the second end of the first sleeve 7; the first end of the third shaft sleeve 9 is connected to the second end of the second shaft sleeve 8, and the second bearing 20 is arranged on the third shaft sleeve 9; the fourth shaft sleeve 10 is sleeved on the output shaft 3, and the first end of the fourth shaft sleeve 10 is connected with the second end of the third shaft sleeve 9; the first end of the second end cover 11 is connected to the second end of the fourth shaft sleeve 10, the second end of the second end cover 11 is the second end of the housing, and the third bearing 21 is disposed on the second end cover 11. The whole shell is divided into a plurality of modules, so that the whole structure is modularized, and the installation, the debugging and the later maintenance are convenient.
Further, the fourth shaft sleeve 10 is provided with a storage bin 12, the storage bin 12 is provided with a drying agent, one side of the storage bin 12, which is close to the output shaft 3, is provided with a through hole, the through hole is used for being communicated with the output shaft 3, because the propeller rotates in water, more or less water vapor can enter the shell through the output shaft 3, and in order to prevent the water vapor from entering the push torque sensor to damage the push torque sensor, the fourth shaft sleeve 10 at the position of the output shaft 3 is provided with the storage bin 12 which is provided with the drying agent, and the water vapor entering along the output shaft 3 is absorbed.
Further, a transparent window 13 is arranged on one side of the storage bin 12 far away from the output shaft 3, the transparent window 13 is made of organic glass, and is propped and fixed by a nut arranged on the fourth shaft sleeve 10, and the transparent window 13 can conveniently observe the state of the drying agent in the storage bin.
Further, a first lip seal 14 is provided between the first end of the first end cap 6 and the input shaft 1. The lip-shaped sealing ring is arranged to achieve the sealing effect, so that water, oil and dust are prevented from entering the shell.
Further, a second lip seal 15 is provided between the second end of the second end cap 11 and the output shaft 3. The lip-shaped sealing ring is arranged to achieve the sealing effect, so that water, oil and dust are prevented from entering the shell.
Further, the output interface 5 is disposed outside the second sleeve 8.
Further, the device comprises a baffle ring 16 sleeved on the input shaft 1, fixed on the input shaft 1 by a locking screw and arranged on one side of the second end of the slip ring 4, wherein the first end of the slip ring 4 is abutted against the second end of the first shaft sleeve 7, and the baffle ring 16 is used for preventing the slip ring 4 from axially moving
Further, the first end cover 6, the first shaft sleeve 7, the second shaft sleeve 8, the third shaft sleeve 9, the fourth shaft sleeve 10 and the second end cover 11 are detachably connected, sealing rings are arranged at the connecting parts, the specific first end cover 6 is connected with the first shaft sleeve 7 through threads, the first shaft sleeve 7 is connected with the second shaft sleeve 8 through bolts, the second shaft sleeve 8 is connected with the third shaft sleeve 9 through threads, the third shaft sleeve 9 is connected with the fourth shaft sleeve 10 through threads, and the fourth shaft sleeve 10 is connected with the second end cover 11 through bolts. The sealing ring is arranged, so that the structure achieves the overall waterproof effect, and the detachable connection is convenient to install and debug in later stage.
Further, the third sleeve 9 is provided with a slinger 17 on the side of the second bearing 20 close to the slip ring 4, and the first sleeve 7 is provided with a third lip seal 18 on the side of the first bearing 19 close to the slip ring 4, and the slinger 17 and the third lip seal 18 are provided to prevent lubricating oil of the first bearing 19 and the second bearing 20 from leaking to the slip ring 4 so as to short-circuit the slip ring 4.
The working process of the invention is further described below:
firstly, a self-propelled ship model propeller power instrument is arranged in a ship model or a submarine model through a mounting bracket, an output shaft 3 of the self-propelled ship model propeller power instrument is connected with a transmission shaft of the mounting propeller through a coupling, and an input shaft 1 of the self-propelled ship model propeller power instrument is connected with a driving motor through an external coupling.
When the driving motor rotates, the input shaft 1 is driven to rotate through the coupler, the input shaft 1 drives the push torque sensor to rotate, the push torque sensor drives the output shaft 3 to rotate, and the output shaft 3 drives the transmission shaft provided with the propeller to rotate through the coupler, so that the rotation of the propeller is realized.
The pushing torque force of the propeller in water is transmitted to the pushing torque force sensor through the output shaft 3, and the detected voltage signal representing the pushing torque force is output to the external output interface 5 through the slip ring 4 by the pushing torque force sensor, so that the real-time collection of the pushing torque force of the propeller under different rotating speeds is realized.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is within the scope of the appended claims and their equivalents to fall within the scope of the invention.
Claims (6)
1. A self-propelled ship model propeller power meter, characterized by comprising:
the shell is of a hollow structure;
the transmission portion, transmission portion wears to locate in the casing includes:
the input shaft is supported in the shell through a first bearing and a second bearing, the first end of the input shaft extends out of the first end of the shell and is connected with the driving motor, and the second end of the input shaft is arranged in the shell;
the push button force sensor is arranged in the shell, and a first end of the push button force sensor is connected with a second end of the input shaft;
the output shaft is supported in the shell through a third bearing, a first end of the output shaft is connected with a second end of the push button force sensor, and a second end of the output shaft extends out of the second end of the shell and is connected with the propeller;
the sliding ring is arranged in the shell and sleeved on the input shaft, and the push button force sensor is electrically connected with the sliding ring;
the output interface is arranged on the outer side of the shell, is electrically connected with the slip ring and is used for outputting an electric signal;
the housing includes:
a first end cap, the first end of the first end cap being the first end of the housing;
the first end of the first shaft sleeve is connected with the second end of the first end cover, and the first bearing is arranged on the first shaft sleeve;
the first end of the second shaft sleeve is connected with the second end of the first shaft sleeve;
the first end of the third shaft sleeve is connected with the second end of the second shaft sleeve, and the second bearing is arranged on the third shaft sleeve;
the fourth shaft sleeve is sleeved on the output shaft, and the first end of the fourth shaft sleeve is connected with the second end of the third shaft sleeve;
the first end of the second end cover is connected with the second end of the fourth shaft sleeve, the second end of the second end cover is the second end of the shell, and the third bearing is arranged on the second end cover;
a storage bin is arranged on the fourth shaft sleeve, a drying agent is stored in the storage bin, a through hole is formed in one side, close to the output shaft, of the storage bin, and the through hole is used for being communicated with the output shaft;
a transparent window is arranged on one side of the storage bin, which is far away from the output shaft;
a first lip seal is disposed between the first end of the first end cap and the input shaft.
2. The self-propelled watercraft model propeller power instrument of claim 1 wherein a second lip seal is provided between the second end of the second end cap and the output shaft.
3. The self-propelled watercraft model propeller power instrument of claim 1 wherein the output interface is located outside the second hub.
4. The self-propelled ship model propeller power instrument of claim 1, comprising a baffle ring sleeved on the input shaft and arranged on one side of the second end of the slip ring, wherein the first end of the slip ring is in contact with the second end of the first shaft sleeve.
5. The self-propelled ship model propeller power instrument of claim 1, wherein the first end cover, the first shaft sleeve, the second shaft sleeve, the third shaft sleeve, the fourth shaft sleeve and the second end cover are detachably connected, and the connecting parts are provided with sealing rings.
6. The self-propelled ship model propeller power instrument of claim 1, wherein the third shaft sleeve is provided with a slinger on one side of the second bearing close to the slip ring, and the first shaft sleeve is provided with a third lip seal on one side of the first bearing close to the slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950376.1A CN110501140B (en) | 2019-10-08 | 2019-10-08 | Self-propelled ship model propeller power instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950376.1A CN110501140B (en) | 2019-10-08 | 2019-10-08 | Self-propelled ship model propeller power instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110501140A CN110501140A (en) | 2019-11-26 |
| CN110501140B true CN110501140B (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910950376.1A Active CN110501140B (en) | 2019-10-08 | 2019-10-08 | Self-propelled ship model propeller power instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110501140B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200299172Y1 (en) * | 2002-09-18 | 2002-12-31 | 삼성중공업 주식회사 | Axis form self-propulsion testing device and propulsion system |
| CN103604600A (en) * | 2013-12-09 | 2014-02-26 | 上海市东方海事工程技术有限公司 | Strain propeller electric test dynamometer |
| CN203519301U (en) * | 2013-11-01 | 2014-04-02 | 韩颖骏 | Self-propelled ship model resistance measurement device |
| CN105571820A (en) * | 2015-12-14 | 2016-05-11 | 浙江海洋学院 | Open water dynamometer of propeller |
| CN107036753A (en) * | 2016-11-30 | 2017-08-11 | 无锡明珠增压器制造有限公司 | Propeller pump dynamograph |
| CN207007398U (en) * | 2016-11-30 | 2018-02-13 | 无锡明珠增压器制造有限公司 | A kind of propeller pump dynamograph |
| CN210322246U (en) * | 2019-10-08 | 2020-04-14 | 上海市东方海事工程技术有限公司 | Self-propelled ship model propeller power instrument |
-
2019
- 2019-10-08 CN CN201910950376.1A patent/CN110501140B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200299172Y1 (en) * | 2002-09-18 | 2002-12-31 | 삼성중공업 주식회사 | Axis form self-propulsion testing device and propulsion system |
| CN203519301U (en) * | 2013-11-01 | 2014-04-02 | 韩颖骏 | Self-propelled ship model resistance measurement device |
| CN103604600A (en) * | 2013-12-09 | 2014-02-26 | 上海市东方海事工程技术有限公司 | Strain propeller electric test dynamometer |
| CN105571820A (en) * | 2015-12-14 | 2016-05-11 | 浙江海洋学院 | Open water dynamometer of propeller |
| CN107036753A (en) * | 2016-11-30 | 2017-08-11 | 无锡明珠增压器制造有限公司 | Propeller pump dynamograph |
| CN207007398U (en) * | 2016-11-30 | 2018-02-13 | 无锡明珠增压器制造有限公司 | A kind of propeller pump dynamograph |
| CN210322246U (en) * | 2019-10-08 | 2020-04-14 | 上海市东方海事工程技术有限公司 | Self-propelled ship model propeller power instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110501140A (en) | 2019-11-26 |
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