Simulation test device for water-lubricated thrust bearing

Abstract

The utility model discloses a water lubrication thrust bearing simulation test device, and relates to the technical field of bearing simulation test devices. Comprising a bottom plate, a mounting box is fixed to the top end of the bottom plate, a movable baffle is slidably connected to one side of the mounting box, an electric telescopic rod is fixed to the top end of the bottom plate, a fixing frame is fixed to the telescopic end of the electric telescopic rod, a rotating shaft is rotatably connected to one side of the fixing frame, and a motor is fixed to the other side of the fixing frame; the output end of the motor penetrates through the fixing frame and then is fixed to the rotating shaft. By starting the electric telescopic rod, the electric telescopic rod drives the fixing frame to move upwards, the fixing frame moves upwards to drive the movable baffle, the rotating shaft and the like to move upwards, after the rotating shaft moves out of the mounting box, the water-lubricated thrust bearing body can be inserted into the rotating shaft, and then the limiting plate is inserted into the rotating shaft; and the limiting rod is inserted into the inserting opening in the limiting plate, and then the nut is screwed to the screw rod, so that the limiting plate is fixed to the rotating shaft through the nut.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing simulation test devices, in particular to a water-lubricated thrust bearing simulation test device. Background Art

[0002] Water-lubricated thrust bearings are specifically designed to withstand axial forces. They play a crucial role in ship propulsion systems, subjecting them to significant alternating loads during propeller operation. To ensure operational safety and reliability, bearing development requires testing and research on friction, wear, vibration, and load characteristics using a test rig. However, an existing water-lubricated bearing test rig (Announcement No. CN110470473B) suffers from the following drawbacks:

[0003] During use, in order to test the water-lubricated bearing, the water-lubricated bearing needs to be installed on the rotating shaft. Since the rotating shaft is fixed in the water tank, the water-lubricated bearing needs to be installed in the water tank during installation. During the installation process, it is easily restricted by the water tank and the operation is more troublesome. For this reason, this patent proposes a water-lubricated thrust bearing simulation test device to solve the above problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a water-lubricated thrust bearing simulation test device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a water-lubricated thrust bearing simulation test device, comprising a base plate, a mounting box fixed to the top of the base plate, a movable baffle slidably connected to one side of the mounting box, an electric telescopic rod fixed to the top of the base plate, a fixed frame fixed to the telescopic end of the electric telescopic rod, a rotating shaft connected to one side of the fixed frame, a motor fixed to the other side of the fixed frame, the output end of the motor passes through the fixed frame and is fixed to the rotating shaft, and the rotating shaft passes through the movable baffle, and the water-lubricated thrust bearing body is inserted into the outer wall of the rotating shaft.

[0006] Preferably, a fixing plate is fixed to the outer wall of the rotating shaft, a plurality of limit rods are fixed to one side of the fixing plate, a screw is fixed to the end of the limit rod, the outer side of the rotating shaft is plugged with a limiting plate, a plurality of sockets are opened through one side of the limiting plate, the limit rods are inserted into the sockets, a screw is fixed to the end of the limit rod, a nut is screwed on the outer wall of the screw, a plurality of limiting holes are opened on one side of the limiting plate, a plurality of corresponding grooves corresponding to the limiting holes are opened on one side of the water-lubricated thrust bearing body, bolts are screwed between the limiting holes and the corresponding grooves, and the water-lubricated thrust bearing body is located between the limiting plate and the fixing plate.

[0007] Preferably, a first insertion strip is fixed to the inner wall of the bottom end of the installation box, a first slot is opened at the bottom end of the movable baffle, the first insertion strip is inserted into the first slot, a second slot is opened on one side of the installation box, a second insertion strip is fixed to one side of the movable baffle, and the second insertion strip is inserted into the second slot.

[0008] Preferably, a scale line is provided at one end of the installation box, and a telescopic sleeve is provided between the top of the base plate and the bottom end of the fixed frame. The telescopic sleeve includes a fixed sleeve fixed to the top end of the base plate, and the sliding connector in the fixed sleeve has a connecting sleeve, and the top end of the connecting sleeve is fixed to the bottom end of the fixed frame.

[0009] Preferably, a mounting bracket is fixed to one side of the movable baffle, and a temperature sensor is installed on the mounting bracket.

[0010] Preferably, the other side of the installation box is fixedly connected to a water outlet pipe, and a valve is installed on the water outlet pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] By starting the electric telescopic rod, the electric telescopic rod drives the fixed frame to move upward, and the upward movement of the fixed frame drives the movable baffle and the rotating shaft to move upward. When the rotating shaft moves out of the installation box, the water-lubricated thrust bearing body can be inserted into the rotating shaft, and then the limit plate is inserted into the rotating shaft, and the limit rod is inserted into the socket on the limit plate, and then the nut is screwed on the screw rod so that the nut fixes the limit plate on the rotating shaft, and then the bolt is screwed between the limit hole and the corresponding groove to fix the water-lubricated thrust bearing body between the limit plate and the fixed plate. The rotating shaft is located outside the installation box, which is more convenient for the installation of the water-lubricated thrust bearing body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a top view of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the water-lubricated thrust bearing body of the utility model;

[0016] Figure 4 This is a schematic diagram of the limit rod structure of the utility model.

[0017] In the figure: 1. Base plate; 2. Mounting box; 3. Movable baffle; 4. Fixed bracket; 5. Electric telescopic rod; 6. First insertion strip; 7. Scale line; 8. Telescopic sleeve; 9. Rotating shaft; 10. Motor; 11. Second insertion strip; 12. Fixed plate; 13. Limit rod; 14. Screw; 15. Water-lubricated thrust bearing body; 16. Corresponding groove; 17. Limit plate; 18. Limit hole; 19. Nut. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Water-lubricated thrust bearings are specially designed to withstand axial forces. They play an important role in ship propulsion systems. When the propeller is running, the water-lubricated thrust bearings are subjected to large alternating loads. In order to ensure the safety and reliability of operation, during the development of bearings, it is necessary to conduct tests on the friction, wear, vibration, and load characteristics of the bearings on relevant test equipment. The water-lubricated thrust bearing simulation test device provided by the utility model can quickly fix the water-lubricated thrust bearing body 15 on the movable baffle 3, and the movable baffle 3 can be moved upward. In this way, the staff does not need to install the water-lubricated thrust bearing body 15 in the installation box 2, which increases the operating space and makes installation more convenient.

[0020] like Figures 1-4As shown, the utility model provides a technical solution: a water-lubricated thrust bearing simulation test device, comprising a base plate 1, a mounting box 2 is fixed to the top of the base plate 1, a movable baffle 3 is slidably connected to one side of the mounting box 2, an electric telescopic rod 5 is fixed to the top of the base plate 1, a fixed frame 4 is fixed to the telescopic end of the electric telescopic rod 5, the fixed frame 4 is fixed to the movable baffle 3, one side of the fixed frame 4 is rotatably connected to a rotating shaft 9, the other side of the fixed frame 4 is fixed to a motor 10, the output end of the motor 10 passes through the fixed frame 4 and is fixed to the rotating shaft 9, and the rotating shaft 9 passes through the movable baffle 3 and a water-lubricated thrust bearing body 15 is inserted into the outer wall thereof. A fixing plate 12 is fixed to the outer wall of the rotating shaft 9, and multiple limit rods 13 are fixed on one side of the fixing plate 12. A screw 14 is fixed to the end of the limit rod 13. A limit plate 17 is inserted into the outer side of the rotating shaft 9. Multiple sockets are opened on one side of the limit plate 17, and the limit rod 13 is inserted into the socket. The end of the limit rod 13 is fixed with a screw 14. The outer wall of the screw 14 is screwed with a nut 19. Multiple limit holes 18 are opened on one side of the limit plate 17, and multiple corresponding grooves 16 corresponding to the limit holes 18 are opened on one side of the water-lubricated thrust bearing body 15. Bolts are screwed between the limit holes 18 and the corresponding grooves 16. The water-lubricated thrust bearing body 15 is located between the limit plate 17 and the fixed plate 12. A first insertion strip 6 is fixed to the inner wall of the bottom end of the installation box 2, a first slot is opened at the bottom end of the movable baffle 3, and the first insertion strip 6 is inserted into the first slot. A second slot is opened on one side of the installation box 2, and a second insertion strip 11 is fixed to one side of the movable baffle 3, and the second insertion strip 11 is inserted into the second slot.

[0021] It should be noted that by starting the electric telescopic rod 5, the electric telescopic rod 5 drives the fixed frame 4 to move upward, and the upward movement of the fixed frame 4 drives the movable baffle 3 and the rotating shaft 9 to move upward. When the rotating shaft 9 moves out of the installation box 2, the water-lubricated thrust bearing body 15 can be inserted into the rotating shaft 9, and then the limit plate 17 is inserted into the rotating shaft 9, and the limit rod 13 is inserted into the socket on the limit plate 17, and then the nut 19 is screwed onto the screw rod 14, so that the nut 19 fixes the limit plate 17 on the rotating shaft 9, and then the bolt is screwed between the limit hole 18 and the corresponding groove 16 to fix the water-lubricated thrust bearing body 15 between the limit plate 17 and the fixed plate 12.

[0022] like Figure 1 and Figure 3 As shown, a scale mark 7 is provided on one end of the mounting box 2. A telescopic sleeve 8 is provided between the top of the base plate 1 and the bottom of the fixed frame 4. The telescopic sleeve 8 comprises a fixed sleeve fixed to the top of the base plate 1. A connecting sleeve is provided as a sliding connector within the fixed sleeve. The top of the connecting sleeve is fixed to the bottom of the fixed frame 4. A mounting bracket is fixed to one side of the movable baffle 3, and a temperature sensor is mounted on the mounting bracket. A water outlet pipe with a valve is fixedly connected to the other side of the mounting box 2.

[0023] It should be noted that by setting the scale line 7, the flow rate test of the water-lubricated thrust bearing body 15 can be carried out: by marking the scale of the water in the water tank before and after the time t, the volume increase of the water in the water tank is calculated through the scale line 7, and the flow rate Q flowing into the water tank from both ends of the water-lubricated bearing at a certain time t is obtained, and the flow rate is obtained according to the flow rate q=Q / t; the water-lubricated thrust bearing body 15 is subjected to a temperature rise test by the installed temperature sensor, and the temperature of the water flowing out of the end face of the water-lubricated bearing is measured by the temperature sensor to obtain its outlet temperature T, and the temperature rise can be obtained by subtracting the known inlet temperature (usually room temperature) from the outlet temperature.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the accompanying embodiments and their equivalents.

Claims

1. A water-lubricated thrust bearing simulation test device, comprising a base plate (1), characterized in that: A mounting box (2) is fixed to the top of the base plate (1), a movable baffle (3) is slidably connected to one side of the mounting box (2), an electric telescopic rod (5) is fixed to the top of the base plate (1), a telescopic end of the electric telescopic rod (5) is fixed to a fixing frame (4), one side of the fixing frame (4) is rotatably connected to a rotating shaft (9), a motor (10) is fixed to the other side of the fixing frame (4), an output end of the motor (10) passes through the fixing frame (4) and is fixed to the rotating shaft (9), and a water-lubricated thrust bearing body (15) is inserted into the outer wall of the rotating shaft (9) after the rotating shaft (9) passes through the movable baffle (3).

2. A water-lubricated thrust bearing simulation test device according to claim 1, characterized in that: A fixing plate (12) is fixed to the outer wall of the rotating shaft (9), a plurality of limiting rods (13) are fixed to one side of the fixing plate (12), a screw (14) is fixed to the end of the limiting rod (13), a limiting plate (17) is inserted into the outer side of the rotating shaft (9), a plurality of sockets are opened through one side of the limiting plate (17), the limiting rods (13) are inserted into the sockets, a screw (14) is fixed to the end of the limiting rod (13), a nut (19) is screwed to the outer wall of the screw (14), a plurality of limiting holes (18) are opened on one side of the limiting plate (17), a plurality of corresponding grooves (16) corresponding to the limiting holes (18) are opened on one side of the water-lubricated thrust bearing body (15), bolts are screwed between the limiting holes (18) and the corresponding grooves (16), and the water-lubricated thrust bearing body (15) is located between the limiting plate (17) and the fixing plate (12).

3. The water-lubricated thrust bearing simulation test device according to claim 1, characterized in that: A first inserting strip (6) is fixed to the inner wall of the bottom end of the installation box (2), a first slot is provided at the bottom end of the movable baffle (3), and the first inserting strip (6) is inserted into the first slot; a second slot is provided on one side of the installation box (2), a second inserting strip (11) is fixed to one side of the movable baffle (3), and the second inserting strip (11) is inserted into the second slot.

4. The water-lubricated thrust bearing simulation test device according to claim 1, characterized in that: A scale line (7) is provided at one end of the installation box (2), and a telescopic sleeve (8) is provided between the top end of the bottom plate (1) and the bottom end of the fixing frame (4). The telescopic sleeve (8) includes a fixing sleeve fixed to the top end of the bottom plate (1), a sliding connector in the fixing sleeve includes a connecting sleeve, and the top end of the connecting sleeve is fixed to the bottom end of the fixing frame (4).

5. The water-lubricated thrust bearing simulation test device according to claim 1, characterized in that: A mounting frame is fixed to one side of the movable baffle (3), and a temperature sensor is mounted on the mounting frame.

6. The water-lubricated thrust bearing simulation test device according to claim 1, characterized in that: The other side of the installation box (2) is fixedly connected to a water outlet pipe, and a valve is installed on the water outlet pipe.

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