CN109655264B - Liquid lubrication thrust bearing test bed and observation method - Google Patents
Liquid lubrication thrust bearing test bed and observation method Download PDFInfo
- Publication number
- CN109655264B CN109655264B CN201811542057.9A CN201811542057A CN109655264B CN 109655264 B CN109655264 B CN 109655264B CN 201811542057 A CN201811542057 A CN 201811542057A CN 109655264 B CN109655264 B CN 109655264B
- Authority
- CN
- China
- Prior art keywords
- thrust
- loading
- guide cylinder
- tile
- thrust bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
A liquid lubrication thrust bearing test bed comprises a thrust shaft, a thrust disc, a thrust tile, a support, a guide cylinder, a hollow sliding ring, a loading screw and a force sensor, wherein the hollow sliding ring slides relatively in the guide cylinder, the loading screw transmits an externally applied axial loading force to the thrust tile through the force sensor, the hollow sliding ring, a rolling thrust bearing, a bearing cover, the thrust shaft, the thrust disc and a liquid film in sequence, meanwhile, the rotating thrust shaft drives the thrust disc to rotate to move relative to the thrust tile to form the liquid film, fluorescent substances can be mixed into liquid forming the liquid film to achieve correspondence between light intensity and film thickness, the light intensity of each point position on the liquid film can be shot and recorded through a camera, and the thickness of the liquid film at the position can be calculated through the light intensity of any position on the tile surface of the thrust tile. This design is simple structure not only, and the volume is light, and is better to the measuring effect of membrane thickness moreover, but direct observation, and the convenience is stronger.
Description
Technical Field
The invention relates to a test device for the lubrication characteristics of a thrust bearing, in particular to a liquid lubrication thrust bearing test bed and a use method thereof, which are particularly suitable for simplifying the structure and reducing the volume.
Background
The test is an important means for researching the lubricating performance of the thrust bearing and is a necessary link for developing the optimal design of the thrust bearing. In experimental research, how to accurately measure the thickness of the lubricating liquid film on the pad surface of the thrust pad is always the content that must be considered in the design of the thrust bearing test bed.
The existing thrust bearing test bed is mostly designed in a vertical structure, not only is the structure complex and the volume heavy, but also most of the existing thrust bearing test beds adopt a hydraulic loading device to provide loading force, and have many auxiliary devices and great limitation.
In addition, the thickness of the liquid film is measured by a method of punching a hole in the surface of the pad or the surface of the thrust disc and embedding a sensor, so that the punched hole influences the measurement result, the film thickness at a limited measuring point can be obtained, the film thicknesses at multiple points cannot be measured, and the film thickness distribution state of the surface of the bearing pad cannot be measured, so that the more accurate bearing lubrication state characteristic is difficult to obtain.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of complex structure and heavy volume in the prior art, and provides a liquid lubrication thrust bearing test bed with simple structure and light volume and a using method thereof.
In order to achieve the above purpose, the technical solution of the invention is as follows: a liquid lubrication thrust bearing test bed comprises a thrust disc and a thrust pad, wherein the right side surface of the thrust disc and the left side surface of the thrust pad rub against each other to form a liquid film;
the thrust bearing test bed also comprises a thrust shaft, a support, a guide cylinder, a loading screw and a force sensor; the right side surface of the support is connected with the left end surface of the guide cylinder, the right end surface of the guide cylinder is connected with the guide cylinder cover, a hollow sliding ring is arranged in a guide cylinder cavity between the support and the guide cylinder cover in the guide cylinder, the top sliding wall and the bottom sliding wall of the hollow sliding ring are in sliding fit along the inner wall of the guide cylinder, the right end surface of the hollow sliding ring is connected with the sliding ring cover, the left side surface of the sliding ring cover is abutted against the right side surface of a force sensor positioned in the hollow sliding ring, the middle part of the force sensor is connected with the inner end of a loading screw rod, the outer end of the loading screw rod is connected with a loading mechanism positioned outside the guide cylinder after sequentially penetrating through a sliding ring rod hole, the guide cylinder cavity and a guide cylinder rod hole, and the loading mechanism covers the hole surface of the;
the left end of the top sliding wall is connected with the top end of the downward extending part, the bottom end of the downward extending part extends downwards, the left end of the bottom sliding wall is connected with the bottom end of the upward extending part, the top end of the upward extending part extends upwards until an extending hollow is formed between the top end of the upward extending part and the bottom end of the downward extending part, a thrust shaft penetrates through the extending hollow, the right end of the thrust shaft is connected with the middle part of a bearing seat, the upper end and the lower end of the left side surface of the bearing seat are respectively contacted with the right side surfaces of an upper rolling thrust bearing and a lower rolling thrust bearing, the left side surface of the upper rolling thrust bearing is contacted with the left side surface of the downward extending part, the left side surface of the lower rolling thrust bearing is contacted with the left side surface of the upward extending part, the left end of the thrust shaft sequentially penetrates through a support, a support ring, a friction cavity and a thrust disc and then, the left cylinder end of the supporting hollow cylinder is in sealing fit with the outer side of the thrust disc through a first sealing ring, a thrust tile is arranged on the left side face of the supporting ring, and the thrust tile is in friction fit with the thrust disc right opposite to the thrust tile.
And a cooling water outlet pipe hole is formed in the part, located right above the friction cavity, on the top surface of the supporting hollow cylinder, and a cooling water inlet pipe hole is formed in the part, located right below the friction cavity, on the bottom surface of the supporting hollow cylinder.
A right convex part is arranged in the middle of the right side surface of the support, the inside of the right convex part penetrates through the support and passes through the thrust shaft, and a penetrating cooling water inlet pipe hole is formed in the top of the right convex part; and a penetrating drip hole is formed in the part, close to the support, on the bottom wall of the guide cylinder.
The middle parts of the support ring, the support and the right convex part are provided with the same radial bearing, and the radial bearing is in running fit with a thrust shaft penetrating through the radial bearing.
The thrust bearing test bed also comprises a light source and a camera, and the thrust disc is made of transparent materials; the light source and the camera are both positioned on the left side of the thrust disc and are both aligned to the thrust tile.
The light source and the camera are positioned on two sides of the normal of the thrust disc; and the included angles between the light source and the lens of the camera and the tile surface of the thrust tile are equal.
The loading mechanism comprises a loading spring, a loading nut, a loading right plate and a loading left plate covering the guide cylinder rod hole; the two ends of the loading spring are respectively connected with the right side face of the loading left plate and the left side face of the loading right plate, the left side face of the loading left plate is in contact with the right side face of the guide cylinder cover, the loading nut is connected with the outer end of the loading screw rod, and the inner end of the loading screw rod penetrates through the loading right plate, the loading spring, the loading left plate, the guide cylinder rod hole, the guide cylinder cavity and the sliding ring rod hole in sequence and then is connected with the middle of the force sensor.
The top of the guide cylinder is provided with a through guide cylinder notch, and the top of the hollow slip ring is provided with a through slip ring notch.
The use method of the liquid lubrication thrust bearing test bed comprises a rotation step and a force transmission step, wherein when the rotation step and the force transmission step are carried out, test liquid is arranged in a friction cavity;
the rotating step is as follows: the rotary output mechanism drives the thrust shaft to rotate, the rotating thrust disc and the corresponding thrust tile rub against each other to form a liquid film, and the thrust tile does not rotate;
the force transmission step is as follows: the loading force provided by the loading mechanism is transmitted to the upward extending part and the downward extending part after sequentially passing through the loading screw, the force sensor, the sliding ring cover and the hollow sliding ring, then is correspondingly transmitted to the upper rolling thrust bearing and the lower rolling thrust bearing by the upward extending part and the downward extending part, then is transmitted to the bearing seat by the upper rolling thrust bearing and the lower rolling thrust bearing, and then is transmitted to the thrust shoe by the bearing seat sequentially passing through the thrust shaft, the thrust disc and the liquid film thickness, and the hollow sliding ring does not rotate.
The thrust bearing test bed also comprises a light source and a camera, and the thrust disc is made of transparent materials; the light source and the camera are both positioned on the left side of the thrust disc and are both aligned to the thrust tile;
before the rotation step and the force transmission step are carried out, a fluorescent substance is dissolved in the test liquid, then the light source and the camera are aligned to the thrust tile, then the rotation step and the force transmission step are carried out, at the moment, light waves emitted by the light source can excite the fluorescent substance in the test liquid to enable the test liquid to emit fluorescence, the camera can shoot and record the light intensity of the fluorescence, the light intensity of the fluorescence is in direct proportion to the thickness of the liquid film, and at the moment, the thickness of the liquid film at any position on the tile surface of the thrust tile can be calculated according to the light intensity.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a liquid lubrication thrust bearing test bed and a use method thereof, wherein the test bed is of a horizontal structure and comprises a thrust shaft and a loading unit, the loading unit comprises a loading screw rod, a hollow slip ring and a force sensor, when in application, the thrust shaft drives a thrust disc to rotate, meanwhile, an external loading force applied on the loading screw rod is transmitted to the thrust shaft after sequentially passing through the force sensor, the hollow slip ring, a rolling thrust bearing and a bearing seat, and then is transmitted to a thrust tile by the thrust shaft sequentially passing through the thrust disc and the liquid film thickness, therefore, the design not only can realize the relative friction of the thrust disc and the thrust tile to form a liquid film (namely a lubricating liquid film) so as to have the basis of measuring the film thickness and further judge the accurate lubricating state, but also has fewer parts and no deformed or complex-structured parts compared with the prior art, and is easy to manufacture and process, the volume is small, and the assembly and the application are easy. Therefore, the invention has simple structure, light volume and easy manufacture and application.
2. The invention relates to a liquid lubrication thrust bearing test bed and a use method thereof, wherein a thrust disc is made of transparent materials, a light source and a camera are arranged on the left side of the thrust disc, the light source and the camera are both aligned to a thrust tile and are dissolved in test liquid, when the liquid lubrication thrust bearing test bed is applied, the light source is responsible for irradiating the test liquid to enable the test liquid to emit light, the camera is responsible for shooting and recording the light intensity of fluorescence at each position on a liquid film, and at the moment, the thickness of the liquid film at the position can be calculated through the light intensity at any position on the tile surface of the thrust tile. The design not only can measure the membrane thickness of each point on the liquid membrane, and coverage is wide, can calculate out membrane thickness according to the light intensity moreover, and the accuracy is higher, and in addition, the light intensity can also the direct observation, and is very convenient, more need not like prior art, need avoid the adverse effect of trompil to tile face or thrust disc surface trompil, more does benefit to and improves the accuracy. Therefore, the film thickness measuring device has a good film thickness measuring effect, can be used for direct observation, and is high in convenience.
3. In the liquid lubrication thrust bearing test bed and the use method thereof, the loading force on the thrust disc and the thrust shoe is from the combination of the loading screw and the force sensor, wherein the force on the loading screw is from the loading mechanism (the loading spring, the loading nut and the loading right plate). Therefore, the invention has the advantages of convenient loading, simple operation and better uniformity of multiple test precision.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the guide cylinder and the hollow slip ring in fig. 1.
Fig. 3 is a schematic structural view of the loading mechanism in fig. 1.
In the figure: the device comprises a support 1, a thrust disc 2, a thrust tile 3, a thrust shaft 4, a guide cylinder 5, a guide cylinder cover 51, a guide cylinder cavity 52, a guide cylinder rod hole 53, a weeping pipe hole 54, a guide cylinder notch 55, a force sensor 56, a loading mechanism 6, a loading screw 61, a loading spring 62, a loading nut 63, a loading right plate 64, a loading left plate 65, a hollow slide ring 7, a top slide wall 71, a downward extending part 711, a bottom slide wall 72, an upward extending part 721, a slide ring cover 73, a slide ring rod hole 74, an extending hollow 75, a slide ring notch 76, a bearing seat 8, an upper rolling thrust bearing 81, a lower rolling thrust bearing 82, a supporting hollow cylinder 9, a right cylinder end 91, a left cylinder end 92, a cooling water outlet pipe hole 93, a cooling water inlet pipe hole 94, a supporting ring 10, a first sealing ring 11, a second sealing ring 12, a rotary output mechanism 13, a radial bearing 14, a right convex part 15, a cooling water inlet pipe hole 151, liquid film X, friction chamber Y.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-3, a liquid lubrication thrust bearing test bed comprises a thrust disc 2 and a thrust pad 3, wherein the right side surface of the thrust disc 2 and the left side surface of the thrust pad 3 rub against each other to form a liquid film X;
the thrust bearing test bed further comprises a thrust shaft 4, a support 1, a guide cylinder 5, a loading screw 61 and a force sensor 56; the right side surface of the support 1 is connected with the left end surface of the guide cylinder 5, the right end surface of the guide cylinder 5 is connected with the guide cylinder cover 51, a hollow slide ring 7 is arranged in a guide cylinder cavity 52 between the support 1 and the guide cylinder cover 51 in the guide cylinder 5, a top slide wall 71 and a bottom slide wall 72 of the hollow slide ring 7 are in sliding fit along the inner wall of the guide cylinder 5, the right end surface of the hollow slide ring 7 is connected with a slide ring cover 73, the left side surface of the slide ring cover 73 is abutted with the right side surface of a force sensor 56 positioned in the hollow slide ring 7, the middle part of the force sensor 56 is connected with the inner end of a loading screw 61, the outer end of the loading screw 61 is sequentially connected with a loading mechanism 6 positioned outside the guide cylinder 5 after passing through a slide ring rod hole 74, the guide cylinder cavity 52 and the guide cylinder rod hole 53, and the loading mechanism 6 covers the hole surface of the guide cylinder;
the left end of the top sliding wall 71 is connected with the top end of the downward extending part 711, the bottom end of the downward extending part 711 extends downward, the left end of the bottom sliding wall 72 is connected with the bottom end of the upward extending part 721, the top end of the upward extending part 721 extends upward until an extending hollow 75 is formed between the bottom end of the downward extending part 711, a thrust shaft 4 penetrates through the extending hollow 75, the right end of the thrust shaft 4 is connected with the middle part of a bearing seat 8, the upper end and the lower end of the left side surface of the bearing seat 8 are respectively contacted with the right side surfaces of an upper rolling thrust bearing 81 and a lower rolling thrust bearing 82, the left side surface of the upper rolling thrust bearing 81 is contacted with the left side surface of the downward extending part 711, the left side surface of the lower rolling thrust bearing 82 is contacted with the left side surface of the upward extending part 721, the left end of the thrust shaft 4 is sequentially penetrated through a support 1, a support ring 10, a friction cavity Y and a thrust disc 2, the outer side of the support ring 10 is sleeved with a right cylinder end 91 for supporting the hollow cylinder 9, a left cylinder end 92 for supporting the hollow cylinder 9 is in sealing fit with the outer side of the thrust disc 2 through a first sealing ring 11, a thrust pad 3 is arranged on the left side surface of the support ring 10, and the thrust pad 3 is in friction fit with the thrust disc 2 which is right opposite to the thrust pad 3.
And a cooling water outlet pipe hole 93 is formed in the part, located right above the friction cavity Y, on the top surface of the supporting hollow cylinder 9, and a cooling water inlet pipe hole 94 is formed in the part, located right below the friction cavity Y, on the bottom surface of the supporting hollow cylinder 9.
A right convex part 15 is arranged in the middle of the right side surface of the support 1, a thrust shaft 4 penetrates through the right convex part 15, and a penetrating cooling water inlet pipe hole 151 is arranged at the top of the right convex part 15; a through drip hole 54 is arranged on the bottom wall of the guide cylinder 5 near the support 1.
The middle parts of the support ring 10, the support seat 1 and the right convex part 15 are provided with the same radial bearing 14, and the radial bearing 14 is in running fit with the thrust shaft 4 penetrating through the inside of the radial bearing.
The thrust bearing test bed also comprises a light source 16 and a camera 17, and the thrust disc 2 is made of transparent materials; the light source 16 and the camera 17 are both positioned on the left side of the thrust disc 2, and the light source 16 and the camera 17 are both aligned with the thrust tile 3.
The light source 16 and the camera 17 are positioned on two sides of the normal of the thrust disc 2; the included angles between the lens of the light source 16 and the camera 17 and the tile surface of the thrust tile 3 are equal.
The loading mechanism 6 comprises a loading spring 62, a loading nut 63, a loading right plate 64 and a loading left plate 65 covering the guide cylinder rod hole 53; two ends of the loading spring 62 are respectively connected with the right side surface of the loading left plate 65 and the left side surface of the loading right plate 64, the left side surface of the loading left plate 65 is in contact with the right side surface of the guide cylinder cover 51, the loading nut 63 is connected with the outer end of the loading screw 61, and the inner end of the loading screw 61 is connected with the middle part of the force sensor 56 after sequentially passing through the loading right plate 64, the loading spring 62, the loading left plate 65, the guide cylinder rod hole 53, the guide cylinder cavity 52 and the slip ring rod hole 74.
The top of the guide cylinder 5 is provided with a through guide cylinder notch 55, and the top of the hollow slide ring 7 is provided with a through slide ring notch 76.
The use method of the liquid lubrication thrust bearing test bed comprises a rotation step and a force transmission step, wherein when the rotation step and the force transmission step are carried out, test liquid is arranged in a friction cavity Y;
the rotating step is as follows: the rotary output mechanism 13 drives the thrust shaft 4 to rotate, the rotating thrust disc 2 and the corresponding thrust pad 3 rub against each other to form a liquid film X, and the thrust pad 3 does not rotate;
the force transmission step is as follows: the loading force provided by the loading mechanism 6 is transmitted to the upward extending part 721 and the downward extending part 711 through the loading screw 61, the force sensor 56, the slip ring cover 73 and the hollow slip ring 7 in sequence, then is correspondingly transmitted to the upper rolling thrust bearing 81 and the lower rolling thrust bearing 82 through the upward extending part 721 and the downward extending part 711, then is transmitted to the bearing seat 8 through the upper rolling thrust bearing 81 and the lower rolling thrust bearing 82, and then is transmitted to the thrust shoe 3 through the bearing seat 8 through the thrust shaft 4, the thrust disc 2 and the liquid film X in sequence, and the hollow slip ring 7 does not rotate.
The thrust bearing test bed also comprises a light source 16 and a camera 17, and the thrust disc 2 is made of transparent materials; the light source 16 and the camera 17 are both positioned on the left side of the thrust disc 2, and the light source 16 and the camera 17 are both aligned to the thrust tile 3;
before the rotation step and the force transmission step are carried out, a fluorescent substance is firstly dissolved in the test liquid, then the light source 16 and the camera 17 are aligned to the thrust tile 3, then the rotation step and the force transmission step are carried out, at the moment, the light wave emitted by the light source 16 can excite the fluorescent substance in the test liquid to enable the test liquid to emit fluorescence, the camera 17 can shoot and record the light intensity of the fluorescence, the light intensity of the fluorescence is in direct proportion to the thickness of the liquid film X, and at the moment, the thickness of the liquid film X at the position can be calculated according to the light intensity at any position on the tile surface of the thrust tile 3.
Further preferred embodiments of the present invention are as follows:
the first seal ring 11 of the present invention is preferably a lip seal ring. Meanwhile, a second sealing ring 12 is arranged between the outer side periphery of the supporting ring 10 and the right cylinder end 91 of the supporting hollow cylinder 9.
The thrust disc 2 in the present invention is made of a transparent material, preferably glass.
The axial force output by the loading mechanism 6 in the invention is provided by a loading nut 63 arranged on a loading screw 61 through a compression loading spring 62, the magnitude of the force is measured and output by a force sensor 56 arranged at the inner end of the loading screw 61, the force sensor 56 is pressed with a slip ring cover 73 through the loading screw 61, and the pressing force and the initial pulling force of the hollow slip ring 7 are derived from the pre-tightening force of the loading spring 62. The thickness of the liquid film X formed between the thrust disc 2 and the thrust pad 3 is determined by the rotating speed and the axial force of the thrust disc 2, the rotary output mechanism 13 drives the thrust disc 2 to rotate through the thrust shaft 4, and the thrust shaft 4 can move axially and also can rotate. The upper rolling thrust bearing 81 and the lower rolling thrust bearing 82 are arranged between the bearing seat 8 and the hollow slide ring 7 and are pressed on the bearing seat 8 through the pulling force of the hollow slide ring 7, and the hollow slide ring 7 can axially slide in the guide cylinder 5 but cannot rotate.
In the invention, the top of the guide cylinder 5 is provided with a through guide cylinder notch 55, the top of the hollow slip ring 7 is provided with a through slip ring notch 76, wherein the guide cylinder notch 55 is used for leading a water pipe into the cooling water pipe hole 151 so as to cool the radial bearing 14, and the slip ring notch 76 is used for leading a data wire of the force sensor 56.
Example 1:
referring to fig. 1-3, a liquid lubrication thrust bearing test bed comprises a thrust disc 2 and a thrust pad 3, wherein the right side surface of the thrust disc 2 and the left side surface of the thrust pad 3 rub against each other to form a liquid film X; the thrust bearing test bed further comprises a thrust shaft 4, a support 1, a guide cylinder 5, a loading screw 61 and a force sensor 56; the right side surface of the support 1 is connected with the left end surface of the guide cylinder 5, the right end surface of the guide cylinder 5 is connected with the guide cylinder cover 51, a hollow slip ring 7 is arranged in a guide cylinder cavity 52 which is arranged between the support 1 and the guide cylinder cover 51 in the guide cylinder 5, the top sliding wall 71 and the bottom sliding wall 72 of the hollow sliding ring 7 are in sliding fit along the inner wall of the guide cylinder 5, the right end surface of the hollow sliding ring 7 is connected with the sliding ring cover 73, the left side surface of the sliding ring cover 73 is abutted with the right side surface of the force sensor 56 positioned in the hollow sliding ring 7 (the "abutting" in the invention means that two surfaces in contact are tightly pressed against each other), the middle part of the force sensor 56 is connected with the inner end of the loading screw 61, the outer end of the loading screw 61 is connected with the loading mechanism 6 positioned outside the guide cylinder 5 after sequentially passing through the sliding ring rod hole 74, the guide cylinder cavity 52 and the guide cylinder rod hole 53, and the loading mechanism 6 covers the hole surface of the guide cylinder rod hole 53; the left end of the top sliding wall 71 is connected with the top end of the downward extending part 711, the bottom end of the downward extending part 711 extends downward, the left end of the bottom sliding wall 72 is connected with the bottom end of the upward extending part 721, the top end of the upward extending part 721 extends upward until an extending hollow 75 is formed between the bottom end of the downward extending part 711, a thrust shaft 4 penetrates through the extending hollow 75, the right end of the thrust shaft 4 is connected with the middle part of a bearing seat 8, the upper end and the lower end of the left side surface of the bearing seat 8 are respectively contacted with the right side surfaces of an upper rolling thrust bearing 81 and a lower rolling thrust bearing 82, the left side surface of the upper rolling thrust bearing 81 is contacted with the left side surface of the downward extending part 711, the left side surface of the lower rolling thrust bearing 82 is contacted with the left side surface of the upward extending part 721, the left end of the thrust shaft 4 is sequentially penetrated through a support 1, a support ring 10, a friction cavity Y and a thrust disc 2, the outer side of the support ring 10 is sleeved with a right cylinder end 91 for supporting the hollow cylinder 9, a left cylinder end 92 for supporting the hollow cylinder 9 is in sealing fit with the outer side of the thrust disc 2 through a first sealing ring 11, a thrust pad 3 is arranged on the left side surface of the support ring 10, and the thrust pad 3 is in friction fit with the thrust disc 2 which is right opposite to the thrust pad 3.
The use method of the liquid lubrication thrust bearing test bed comprises a rotation step and a force transmission step, wherein when the rotation step and the force transmission step are carried out, test liquid is arranged in a friction cavity Y;
the rotating step is as follows: the rotary output mechanism 13 drives the thrust shaft 4 to rotate, the rotating thrust disc 2 and the corresponding thrust pad 3 rub against each other to form a liquid film X, and the thrust pad 3 does not rotate;
the force transmission step is as follows: the loading force provided by the loading mechanism 6 is transmitted to the upward extending part 721 and the downward extending part 711 through the loading screw 61, the force sensor 56, the slip ring cover 73 and the hollow slip ring 7 in sequence, then is correspondingly transmitted to the upper rolling thrust bearing 81 and the lower rolling thrust bearing 82 through the upward extending part 721 and the downward extending part 711, then is transmitted to the bearing seat 8 through the upper rolling thrust bearing 81 and the lower rolling thrust bearing 82, and then is transmitted to the thrust shoe 3 through the bearing seat 8 through the thrust shaft 4, the thrust disc 2 and the liquid film X in sequence, and the hollow slip ring 7 does not rotate.
Example 2:
the basic contents are the same as example 1, except that:
structurally: the thrust bearing test bed also comprises a light source 16 and a camera 17, and the thrust disc 2 is made of transparent materials; the light source 16 and the camera 17 are both positioned on the left side of the thrust disc 2, and the light source 16 and the camera 17 are both aligned with the thrust tile 3.
The method comprises the following steps: before the rotation step and the force transmission step are carried out, a fluorescent substance is firstly dissolved in the test liquid, then the light source 16 and the camera 17 are aligned to the thrust tile 3, then the rotation step and the force transmission step are carried out, at the moment, the light wave emitted by the light source 16 can excite the fluorescent substance in the test liquid to enable the test liquid to emit fluorescence, the camera 17 can shoot and record the light intensity of the fluorescence, the light intensity of the fluorescence is in direct proportion to the thickness of the liquid film X, and at the moment, the thickness of the liquid film X at the position can be calculated according to the light intensity at any position on the tile surface of the thrust tile 3.
Example 3:
the basic contents are the same as example 1, except that:
and a cooling water outlet pipe hole 93 is formed in the part, located right above the friction cavity Y, on the top surface of the supporting hollow cylinder 9, and a cooling water inlet pipe hole 94 is formed in the part, located right below the friction cavity Y, on the bottom surface of the supporting hollow cylinder 9. A right convex part 15 is arranged in the middle of the right side surface of the support 1, a thrust shaft 4 penetrates through the right convex part 15, and a penetrating cooling water inlet pipe hole 151 is arranged at the top of the right convex part 15; a through drip hole 54 is arranged on the bottom wall of the guide cylinder 5 near the support 1. The middle parts of the support ring 10, the support seat 1 and the right convex part 15 are provided with the same radial bearing 14, and the radial bearing 14 is in running fit with the thrust shaft 4 penetrating through the inside of the radial bearing.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (10)
1. The utility model provides a liquid lubrication thrust bearing test bench, includes thrust dish (2) and thrust tile (3), the right flank of thrust dish (2) rubs in order to form liquid film (X) with the left surface of thrust tile (3) each other, its characterized in that:
the thrust bearing test bed further comprises a thrust shaft (4), a support (1), a guide cylinder (5), a loading screw rod (61) and a force sensor (56); the right side surface of the support (1) is connected with the left end surface of the guide cylinder (5), the right end surface of the guide cylinder (5) is connected with the guide cylinder cover (51), a guide cylinder cavity (52) which is arranged between the support (1) and the guide cylinder cover (51) in the guide cylinder (5) is internally provided with a hollow slide ring (7), a top slide wall (71) and a bottom slide wall (72) of the hollow slide ring (7) are in sliding fit along the inner wall of the guide cylinder (5), the right end surface of the hollow slide ring (7) is connected with a slide ring cover (73), the left side surface of the slide ring cover (73) is abutted against the right side surface of a force sensor (56) which is positioned in the hollow slide ring (7), the middle part of the force sensor (56) is connected with the inner end of a loading screw rod (61), the outer end of the loading screw rod (61) is sequentially penetrated through a slide ring rod hole (74), the guide cylinder cavity (52) and a guide cylinder rod hole (53) and then is connected with a loading mechanism (6) which is positioned, the loading mechanism (6) covers the hole surface of the guide cylinder rod hole (53);
the left end of the top sliding wall (71) is connected with the top end of the downward extending part (711), the bottom end of the downward extending part (711) extends downwards, the left end of the bottom sliding wall (72) is connected with the bottom end of the upward extending part (721), the top end of the upward extending part (721) extends upwards until an extending hollow space (75) is formed between the top end of the downward extending part (711), a thrust shaft (4) penetrates through the extending hollow space (75), the right end of the thrust shaft (4) is connected with the middle part of a bearing seat (8), the upper end and the lower end of the left side surface of the bearing seat (8) are respectively contacted with the right side surface of the upper part (81) of the rolling thrust bearing and the right side surface of the lower part (82) of the rolling thrust bearing, the left side surface of the upper part (81) of the rolling thrust bearing is contacted with the left side surface of the downward extending part (711), the left side surface of the lower part (82) of the, the left end of the thrust shaft (4) sequentially penetrates through the support (1), the support ring (10), the friction cavity (Y), the thrust disc (2) and then is connected with a rotary output mechanism (13) located outside the thrust disc (2), the right cylinder end (91) of the supporting hollow cylinder (9) is sleeved on the outer side of the support ring (10), the left cylinder end (92) of the supporting hollow cylinder (9) is in sealing fit with the outer side of the thrust disc (2) through a first sealing ring (11), the thrust tile (3) is arranged on the left side face of the support ring (10), and the thrust tile (3) is in friction fit with the thrust disc (2) which is right opposite to the thrust tile (3).
2. The liquid lubricated thrust bearing test stand of claim 1, wherein: and a cooling water outlet pipe hole (93) is formed in the part, located right above the friction cavity (Y), on the top surface of the supporting hollow cylinder (9), and a cooling water inlet pipe hole (94) is formed in the part, located right below the friction cavity (Y), on the bottom surface of the supporting hollow cylinder (9).
3. The liquid lubricated thrust bearing test stand of claim 1 or 2, wherein: a right convex part (15) is arranged in the middle of the right side surface of the support (1), the inside of the right convex part (15) penetrates through the thrust shaft (4), and a penetrating cooling water inlet pipe hole (151) is arranged at the top of the right convex part (15); a penetrating drip pipe hole (54) is formed in the position, close to the support (1), on the bottom wall of the guide cylinder (5).
4. The liquid lubricated thrust bearing test stand of claim 3, wherein: the middle parts of the support ring (10), the support (1) and the right convex part (15) are provided with the same radial bearing (14), and the radial bearing (14) is in running fit with the thrust shaft (4) which passes through the inside of the radial bearing.
5. The liquid lubricated thrust bearing test stand of claim 1 or 2, wherein: the thrust bearing test bed also comprises a light source (16) and a camera (17), and the thrust disc (2) is made of transparent materials; the light source (16) and the camera (17) are both positioned on the left side of the thrust disc (2), and the light source (16) and the camera (17) are both aligned to the thrust tile (3).
6. The liquid lubricated thrust bearing test stand of claim 5, wherein: the light source (16) and the camera (17) are positioned on two sides of a normal line of the thrust disc (2); and the included angles between the light source (16) and the lens of the camera (17) and the tile surface of the thrust tile (3) are equal.
7. The liquid lubricated thrust bearing test stand of claim 1 or 2, wherein: the loading mechanism (6) comprises a loading spring (62), a loading nut (63), a loading right plate (64) and a loading left plate (65) covering the guide cylinder rod hole (53); two ends of the loading spring (62) are respectively connected with the right side surface of the loading left plate (65) and the left side surface of the loading right plate (64), the left side surface of the loading left plate (65) is in contact with the right side surface of the guide cylinder cover (51), the loading nut (63) is connected with the outer end of the loading screw rod (61), and the inner end of the loading screw rod (61) sequentially penetrates through the loading right plate (64), the loading spring (62), the loading left plate (65), the guide cylinder rod hole (53), the guide cylinder cavity (52) and the slip ring rod hole (74) and then is connected with the middle part of the force sensor (56).
8. The liquid lubricated thrust bearing test stand of claim 1 or 2, wherein: the top of the guide cylinder (5) is provided with a through guide cylinder notch (55), and the top of the hollow slide ring (7) is provided with a through slide ring notch (76).
9. A method of using the liquid lubrication thrust bearing test bed of claim 1 or 2, wherein the method of using comprises a rotating step and a force transmitting step, and when the rotating step and the force transmitting step are carried out, a test liquid is arranged in the friction cavity (Y);
the rotating step is as follows: the rotary output mechanism (13) drives the thrust shaft (4) to rotate, the rotating thrust disc (2) and the corresponding thrust pad (3) rub against each other to form a liquid film (X), and the thrust pad (3) does not rotate;
the force transmission step is as follows: the loading force provided by the loading mechanism (6) is transmitted to the upward extending part (721) and the downward extending part (711) sequentially through the loading screw (61), the force sensor (56), the sliding ring cover (73) and the hollow sliding ring (7), then is correspondingly transmitted to the upper part (81) of the rolling thrust bearing and the lower part (82) of the rolling thrust bearing by the upward extending part (721) and the downward extending part (711), then is transmitted to the bearing seat (8) by the upper part (81) of the rolling thrust bearing and the lower part (82) of the rolling thrust bearing, and then is transmitted to the thrust shoe (3) sequentially through the thrust shaft (4), the thrust disc (2) and the liquid film (X) by the bearing seat (8), and the hollow sliding ring (7) does not rotate.
10. The method of using a liquid lubricated thrust bearing test bed of claim 9, wherein:
the thrust bearing test bed also comprises a light source (16) and a camera (17), and the thrust disc (2) is made of transparent materials; the light source (16) and the camera (17) are both positioned on the left side of the thrust disc (2), and the light source (16) and the camera (17) are both aligned to the thrust tile (3);
before the rotation step and the force transmission step are carried out, a fluorescent substance is dissolved in the test liquid, then the light source (16) and the camera (17) are aligned to the thrust tile (3), then the rotation step and the force transmission step are carried out, at the moment, light waves emitted by the light source (16) can excite the fluorescent substance in the test liquid to enable the test liquid to emit fluorescence, the camera (17) can shoot and record the light intensity of the fluorescence, the light intensity of the fluorescence is in direct proportion to the thickness of the liquid film (X), and at the moment, the thickness of the liquid film (X) at the position can be calculated according to the light intensity at any position on the tile surface of the thrust tile (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542057.9A CN109655264B (en) | 2018-12-17 | 2018-12-17 | Liquid lubrication thrust bearing test bed and observation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542057.9A CN109655264B (en) | 2018-12-17 | 2018-12-17 | Liquid lubrication thrust bearing test bed and observation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109655264A CN109655264A (en) | 2019-04-19 |
| CN109655264B true CN109655264B (en) | 2020-06-19 |
Family
ID=66113771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542057.9A Active CN109655264B (en) | 2018-12-17 | 2018-12-17 | Liquid lubrication thrust bearing test bed and observation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109655264B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308064A (en) * | 2019-08-16 | 2019-10-08 | 贵州大学 | A kind of loading device for friction wear testing machine |
| CN110308063A (en) * | 2019-08-16 | 2019-10-08 | 贵州大学 | A kind of modularization friction wear testing machine and its test method |
| CN110426207B (en) * | 2019-08-23 | 2020-12-08 | 温州大学 | Comprehensive performance test bench for sliding bearing and thrust bearing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206129880U (en) * | 2016-10-17 | 2017-04-26 | 李泽锐 | Become tilting pad thrust bearing that elastic modulus cushion supported |
| CN107121286A (en) * | 2017-07-06 | 2017-09-01 | 沈阳鼓风机集团核电泵业有限公司 | A kind of vertical water lubricating radial bearing test device and its test simulation method |
| CN107462419A (en) * | 2017-08-16 | 2017-12-12 | 无锡锡压压缩机有限公司 | A kind of property test platform for water-lubricated dynamic thrust-journal plain bearing |
| CN207516029U (en) * | 2017-08-16 | 2018-06-19 | 无锡锡压压缩机有限公司 | For the property test platform of water-lubricated dynamic thrust-journal plain bearing |
| CN207881946U (en) * | 2018-01-31 | 2018-09-18 | 西安工业大学 | A kind of circumferential sliding loading test device of air supporting hydrostatic spindle |
| CN207937164U (en) * | 2018-02-28 | 2018-10-02 | 西安科技大学 | Water lubricated rubber bearing property test platform |
| CN108709743A (en) * | 2018-02-28 | 2018-10-26 | 武汉理工大学 | Water lubriucated bearing combination property bench |
-
2018
- 2018-12-17 CN CN201811542057.9A patent/CN109655264B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206129880U (en) * | 2016-10-17 | 2017-04-26 | 李泽锐 | Become tilting pad thrust bearing that elastic modulus cushion supported |
| CN107121286A (en) * | 2017-07-06 | 2017-09-01 | 沈阳鼓风机集团核电泵业有限公司 | A kind of vertical water lubricating radial bearing test device and its test simulation method |
| CN107462419A (en) * | 2017-08-16 | 2017-12-12 | 无锡锡压压缩机有限公司 | A kind of property test platform for water-lubricated dynamic thrust-journal plain bearing |
| CN207516029U (en) * | 2017-08-16 | 2018-06-19 | 无锡锡压压缩机有限公司 | For the property test platform of water-lubricated dynamic thrust-journal plain bearing |
| CN207881946U (en) * | 2018-01-31 | 2018-09-18 | 西安工业大学 | A kind of circumferential sliding loading test device of air supporting hydrostatic spindle |
| CN207937164U (en) * | 2018-02-28 | 2018-10-02 | 西安科技大学 | Water lubricated rubber bearing property test platform |
| CN108709743A (en) * | 2018-02-28 | 2018-10-26 | 武汉理工大学 | Water lubriucated bearing combination property bench |
Non-Patent Citations (2)
| Title |
|---|
| "Design and performance analysis of a hydrodynamic lubricated conical sliding bearing";Xingxin Liang, et al.;《2017 4th International Conference on Transportation Information and Safety》;20171230;全文 * |
| "水润滑可倾瓦推力轴承设计与性能分析";梁兴鑫 等;《交通运输工程学报》;20170831;第17卷(第4期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109655264A (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109655264B (en) | Liquid lubrication thrust bearing test bed and observation method | |
| US9581534B2 (en) | Tribometer | |
| CN107478365B (en) | Ultrasonic motor dynamometer device with continuously adjustable load | |
| CN106871846B (en) | A kind of online direct measuring method of hub-bearing unit riveted negative clearance when assembling | |
| CN106018140B (en) | The fatigue tester actuation mechanism of improved synchrotron radiation light source in situ imaging | |
| CN110332106A (en) | A kind of crankshaft-plunger pair friction-wear test system and method | |
| CN201555678U (en) | Three-wheel V-belt tension measuring apparatus | |
| CN108917545B (en) | Multifunctional measuring unit and measuring method for variable-diameter deep hole detection system | |
| CN106524929B (en) | Device and method for testing distribution state of lubricating oil films of cylinder sleeve and piston | |
| CN205506815U (en) | Nondestructive test equipment for circular rods and circular pipe metal materials | |
| CN114964774B (en) | Thrust bearing testing machine | |
| CN111006598B (en) | Variable-load optical elastic fluid dynamic lubrication test bed based on PLC control | |
| WO2016110191A1 (en) | Compression heating detector | |
| CN111141640B (en) | Grease similar viscosity measuring device | |
| CN204388825U (en) | Screening device surveyed by a kind of axle shaft gear pad | |
| CN115436279A (en) | Soil adhesion testing device and testing method | |
| CN105651513A (en) | Testing system for lubrication characteristic of vertical water-lubricated tilting thrust bearing liquid film | |
| CN105136037B (en) | A kind of driven gear end pulsation measurement device | |
| CN217542639U (en) | Spent oil friction wear test device with dynamically controllable oil amount | |
| WO2016155088A1 (en) | Vertical cylinder sleeve piston ring friction-wear test device | |
| JP2015536460A (en) | Rotating ultrasonic flaw detector with hydraulic lifting unit | |
| US1320748A (en) | Brinell hardness-testing machine. | |
| CN113686376B (en) | Laser rock breaking test method and system | |
| US3628376A (en) | O-ring test instrument | |
| CN111141674A (en) | Experiment table device for measuring friction force under different vacuum degrees |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |