CN212321075U - Water lubrication tail bearing dynamic parameter testing device - Google Patents
Water lubrication tail bearing dynamic parameter testing device Download PDFInfo
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- CN212321075U CN212321075U CN202021509562.6U CN202021509562U CN212321075U CN 212321075 U CN212321075 U CN 212321075U CN 202021509562 U CN202021509562 U CN 202021509562U CN 212321075 U CN212321075 U CN 212321075U
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- tail
- shaft
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- water
- film pressure
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Abstract
A dynamic parameter testing device for a water-lubricated tail bearing comprises a tail shaft, a shaft sleeve fixedly attached to the outer wall of the tail shaft, and a tail bearing sleeved on the shaft sleeve, wherein a water film pressure sensor, a temperature sensor and a displacement sensor are embedded in the tail shaft, and are arranged along the radial direction of the tail shaft and can acquire signals of the tail bearing through the shaft sleeve; the tail shaft is provided with a shaft hole penetrating through the tail shaft and a wireless transmitting module attached to the outer wall of the tail shaft. The utility model discloses do not change the original structure of water lubricated tailing axle bearing, adopt to bore the axis hole along tailing axle axis direction, install the test mode in the tailing axle with water film pressure sensor, temperature sensor and displacement sensor, played the guard action to three kinds of sensors, adopt wireless transmitting module to come transmission information simultaneously, but remote receiving sensor signal, the test result is accurate, and the scheme is simple and easy feasible, and test cost reduces.
Description
Technical Field
The utility model relates to a water lubricated tail bearing capability test technical field, in particular to water lubricated tail bearing dynamic parameter testing arrangement.
Background
The water lubrication tail bearing is a bearing which bears radial force specially, plays an important role in a ship propulsion system, and in order to ensure the safety and reliability of operation, the temperature resistance, the bearing capacity, the stability and other test researches of the water lubrication tail bearing must be carried out on related experimental devices in the bearing research and development process. According to the traditional test scheme and device, holes are formed in the tail bearing, and then the water film pressure sensor, the temperature sensor and the displacement sensor are installed in the holes of the tail bearing, but the structure of the water lubrication tail bearing is damaged in the mode, the mechanical property of the water lubrication tail bearing is influenced, the test result is inaccurate, and even the test result is wrong.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a water lubricated tail bearing dynamic parameter testing arrangement to improve the test rate of accuracy.
A dynamic parameter testing device for a water-lubricated tail bearing comprises a tail shaft, a shaft sleeve fixedly attached to the outer wall of the tail shaft, and a tail bearing sleeved on the shaft sleeve, wherein a water film pressure sensor, a temperature sensor and a displacement sensor are embedded in the tail shaft, and are arranged along the radial direction of the tail shaft and can acquire signals of the tail bearing through the shaft sleeve;
the tail shaft is characterized in that a shaft hole penetrating through the tail shaft is formed in the end face of the tail shaft, a wireless transmitting module is attached to the outer wall of the tail shaft and is electrically connected with a water film pressure sensor, a temperature sensor and a displacement sensor through wires located in the shaft hole respectively, and signals acquired by the water film pressure sensor, the temperature sensor and the displacement sensor are transmitted to a computer receiving device in a wireless transmission mode so as to complete testing and acquisition of water film pressure, temperature and shaft center tracks of the tail bearing.
Compared with the prior art, among the lubricated tailing axle bearing dynamic parameter testing arrangement of water, do not change the original structure of lubricated tailing axle bearing of water, adopt and bore the axis hole along tailing axle axis direction, install the test mode in the tailing axle with water film pressure sensor, temperature sensor and displacement sensor, played the guard action to three kinds of sensors, adopt wireless transmitting module to come transmission information simultaneously, but remote receiving sensor signal, the test result is accurate, and the scheme is simple and easy feasible, and test cost reduces.
Furthermore, the shaft sleeve is provided with a plurality of sensor fixing seats, and the water film pressure sensor, the temperature sensor and the displacement sensor are respectively installed in one of the sensor fixing seats.
Furthermore, the sensor fixing seat is of a circular truncated cone-shaped structure and comprises an embedded part embedded in the tail shaft and a joint part connected with the embedded part;
an installation groove is formed in the end face, back to the attaching portion, of the embedding portion, a measuring hole is formed in the bottom of the installation groove, and a threaded hole and a fixing unthreaded hole are formed in the attaching portion;
the laminating portion passes through the bolt the screw hole is installed on the axle sleeve, water film pressure sensor, temperature sensor and displacement sensor install respectively in the mounting groove of one of them sensor fixing base to fix through the bolt that passes fixed unthreaded hole, water film pressure sensor, temperature sensor and displacement sensor are right through the measurement pore pair that corresponds separately the tail bearing carries out signal acquisition.
Furthermore, the displacement sensors are provided with 2 and are respectively installed in the middle of the tail shaft, and the 2 displacement sensors are located on the same axial section of the tail shaft but not on the same radial section.
Furthermore, the number of the water film pressure sensors is 3, and the water film pressure sensors are respectively arranged at the front end, the middle part and the rear end of the tail shaft;
the number of the temperature sensors is 3, and the temperature sensors are respectively arranged at the front end, the middle part and the rear end of the tail shaft;
each temperature sensor and one of the water film pressure sensors are positioned on the same axial section of the tail shaft.
Further, the water film pressure sensor is 45 degrees apart from the adjacent temperature sensor or displacement sensor.
Further, the shaft sleeve is made of copper.
Furthermore, a rechargeable battery is installed in the wireless transmitting module.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic parameter testing device for a water lubricated tail bearing according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the positions of the water film pressure sensor, the temperature sensor and the displacement sensor of FIG. 1 arranged on the tail shaft in the circumferential direction;
FIG. 3 is a schematic structural view of the sensor holder shown in FIG. 1;
fig. 4 is a top view of the sensor holder of fig. 3.
Description of the main element symbols:
| |
1 | |
2 |
| Water |
3 | |
4 |
| |
5 | Tail bearing | 6 |
| |
7 | |
8 |
| |
9 | Light hole for fixing | 10 |
| Threaded |
11 | |
12 |
| |
13 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, an embodiment of the present invention provides a dynamic parameter testing apparatus for a water lubricated tail bearing, including a tail shaft 1, a shaft sleeve 2 fixedly attached to an outer wall of the tail shaft 1, and a tail bearing 6 sleeved on the shaft sleeve 2, wherein a water film pressure sensor 3, a temperature sensor 4, and a displacement sensor 5 are embedded on the tail shaft 1, the water film pressure sensor 3, the temperature sensor 4, and the displacement sensor 5 are all arranged along a radial direction of the tail shaft 1, and can acquire signals of the tail bearing 6 through the shaft sleeve 2;
the tail shaft is characterized in that a penetrating axis hole 12 is formed in the end face of the tail shaft 1, a wireless transmitting module 7 is attached to the outer wall of the tail shaft, the wireless transmitting module 7 is electrically connected with the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 through wires located in the axis hole 12, and signals acquired by the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 are transmitted to the computer receiving device 13 in a wireless transmission mode to complete testing and acquisition of water film pressure, temperature and axis track of the tail bearing 6.
Referring to fig. 1 and 2, a plurality of sensor fixing seats 8 are arranged on the shaft sleeve 2, the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 are respectively installed in one of the sensor fixing seats 8, and the three sensors are protected by the sensor fixing seats 8.
Referring to fig. 3 and 4, the sensor fixing seat 8 is a circular truncated cone-shaped structure, and includes an embedding portion embedded in the tail shaft, and a fitting portion connected to the embedding portion;
an installation groove is formed in the end face, back to the attaching portion, of the embedding portion, a measuring hole is formed in the bottom of the installation groove, and a threaded hole 11 and a fixing unthreaded hole 10 are formed in the attaching portion;
the fitting part penetrates through the threaded hole 11 through a bolt to be installed on the shaft sleeve 2, the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 are installed in an 8 installation groove of one of the sensor fixing seats respectively and are fixed through bolts penetrating through the fixing unthreaded holes 10, and the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 respectively acquire signals of the tail bearing 6 through corresponding measuring holes 9.
Referring to fig. 1 and 2, 2 displacement sensors 5 are respectively installed in the middle of the tail shaft 1, and the 2 displacement sensors 5 are located on the same axial cross section but not on the same radial cross section of the tail shaft 1, one of the displacement sensors is used for acquiring the horizontal displacement of the tail bearing 6, and the other displacement sensor is used for acquiring the vertical displacement of the tail bearing 6.
Furthermore, 3 water film pressure sensors 3 are arranged and respectively installed at the front end, the middle part and the rear end of the tail shaft 1;
the number of the temperature sensors 4 is 3, and the temperature sensors are respectively arranged at the front end, the middle part and the rear end of the tail shaft 1;
each temperature sensor 4 and one of the water film pressure sensors 3 are located on the same axial section of the tail shaft 1.
In the utility model discloses a preferred embodiment, interval 45 between water film pressure sensor 3 and adjacent temperature sensor 4 or displacement sensor 5 for three kinds of sensors distribute evenly, in order to carry out data acquisition more accurately.
Specifically, in the utility model discloses, axle sleeve 2 adopts the copper to make.
In another preferred embodiment of the present invention, a rechargeable battery is installed in the wireless transmission module 7 for easy replacement.
It should be noted that, the working process of the present invention is as follows:
after the water lubrication tail bearing dynamic parameter testing experimental device is installed, clear water is filled in a gap between the tail shaft 1 and the tail bearing 6, and the tail shaft 1 starts to rotate under the action of external torque (such as motor driving torque);
the water film pressure sensor 3 rotates with the tail shaft 1 at the same rotating speed, and in the rotating process of the tail shaft 1, the water film pressure sensor 3 respectively collects water film pressures at the rear end, the middle end and the front end of a water lubrication tail bearing;
the temperature sensor 4 rotates with the tail shaft 1 at the same rotating speed, and the temperature sensor 4 respectively collects the temperatures of the front end, the middle end and the rear end of the tail bearing 6 in the rotation process of the tail shaft 1;
the displacement sensor 5 rotates with the tail shaft 1 at the same rotating speed, and in the rotating process of the tail shaft 1, the displacement sensor 5 respectively collects displacement data of the tail bearing 6 in the horizontal direction and the vertical direction;
the signals collected by the water film pressure sensor 3, the temperature sensor 4 and the displacement sensor 5 are transmitted to the wireless transmitting module 7 through the wires, the wireless transmitting module 7 transmits the signals to the computer receiving device 13, and the test collection of the water film pressure, the temperature and the displacement signals of the tail bearing 6 is completed.
To sum up, the utility model discloses do not change the original structure of lubricated tailing bearing 6 of water, adopt to bore axis hole 12 along 1 axis direction of tailing axle, install the test mode in tailing axle 1 with water film pressure sensor 3, temperature sensor 4 and displacement sensor 5, played the guard action to three kinds of sensors, adopt wireless transmitting module 7 to transmit information simultaneously, but remote receiving sensor signal, the test result is accurate, and the scheme is simple and easy feasible, and test cost reduces.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a water lubricated tail bearing dynamic parameter testing arrangement which characterized in that: the tail shaft is fixedly attached to a shaft sleeve arranged on the outer wall of the tail shaft, and a tail bearing sleeved on the shaft sleeve;
the tail shaft is characterized in that a shaft hole penetrating through the tail shaft is formed in the end face of the tail shaft, a wireless transmitting module is attached to the outer wall of the tail shaft and is electrically connected with a water film pressure sensor, a temperature sensor and a displacement sensor through wires located in the shaft hole respectively, and signals acquired by the water film pressure sensor, the temperature sensor and the displacement sensor are transmitted to a computer receiving device in a wireless transmission mode so as to complete testing and acquisition of water film pressure, temperature and shaft center tracks of the tail bearing.
2. The water lubricated tail bearing dynamic parameter testing device of claim 1, wherein the shaft sleeve is provided with a plurality of sensor fixing seats, and the water film pressure sensor, the temperature sensor and the displacement sensor are respectively installed in one of the sensor fixing seats.
3. The dynamic parameter testing device for the water-lubricated tail bearing is characterized in that the sensor fixing seat is of a truncated cone structure and comprises an embedded part embedded in the tail shaft and a joint part connected with the embedded part;
an installation groove is formed in the end face, back to the attaching portion, of the embedding portion, a measuring hole is formed in the bottom of the installation groove, and a threaded hole and a fixing unthreaded hole are formed in the attaching portion;
the laminating portion passes through the bolt the screw hole is installed on the axle sleeve, water film pressure sensor, temperature sensor and displacement sensor install respectively in the mounting groove of one of them sensor fixing base to fix through the bolt that passes fixed unthreaded hole, water film pressure sensor, temperature sensor and displacement sensor are right through the measurement pore pair that corresponds separately the tail bearing carries out signal acquisition.
4. The dynamic parameter testing device for the water-lubricated tail bearing is characterized in that 2 displacement sensors are arranged and are respectively installed in the middle of the tail shaft, and the 2 displacement sensors are located on the same axial section but not on the same radial section of the tail shaft.
5. The dynamic parameter testing device for the water-lubricated tail bearing is characterized in that 3 water film pressure sensors are arranged and are respectively installed at the front end, the middle part and the rear end of the tail shaft;
the number of the temperature sensors is 3, and the temperature sensors are respectively arranged at the front end, the middle part and the rear end of the tail shaft;
each temperature sensor and one of the water film pressure sensors are positioned on the same axial section of the tail shaft.
6. The water lubricated tail bearing dynamic parameter testing device of claim 5, wherein the water film pressure sensor is spaced 45 ° from an adjacent temperature sensor or displacement sensor.
7. The dynamic parameter testing device for the water-lubricated tail bearing of any one of claims 1 to 6, wherein the shaft sleeve is made of copper.
8. A water lubricated tail bearing dynamic parameter testing device according to any one of claims 1 to 6, wherein a rechargeable battery is installed in the wireless transmitting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509562.6U CN212321075U (en) | 2020-07-27 | 2020-07-27 | Water lubrication tail bearing dynamic parameter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509562.6U CN212321075U (en) | 2020-07-27 | 2020-07-27 | Water lubrication tail bearing dynamic parameter testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212321075U true CN212321075U (en) | 2021-01-08 |
Family
ID=74035141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021509562.6U Expired - Fee Related CN212321075U (en) | 2020-07-27 | 2020-07-27 | Water lubrication tail bearing dynamic parameter testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212321075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810841A (en) * | 2022-04-02 | 2022-07-29 | 陕西理工大学 | Intelligent water lubricating bearing |
| CN116576765A (en) * | 2023-07-11 | 2023-08-11 | 武汉市海益高端装备结构设计有限公司 | Wear monitoring device for ship stern shaft water lubrication bearing |
-
2020
- 2020-07-27 CN CN202021509562.6U patent/CN212321075U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810841A (en) * | 2022-04-02 | 2022-07-29 | 陕西理工大学 | Intelligent water lubricating bearing |
| CN114810841B (en) * | 2022-04-02 | 2023-06-27 | 陕西理工大学 | Intelligent water lubrication bearing |
| CN116576765A (en) * | 2023-07-11 | 2023-08-11 | 武汉市海益高端装备结构设计有限公司 | Wear monitoring device for ship stern shaft water lubrication bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 Termination date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |