CN116951002A - Bearing seat and test device for high-temperature environment simulation test of bearing - Google Patents
Bearing seat and test device for high-temperature environment simulation test of bearing Download PDFInfo
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- CN116951002A CN116951002A CN202310683710.8A CN202310683710A CN116951002A CN 116951002 A CN116951002 A CN 116951002A CN 202310683710 A CN202310683710 A CN 202310683710A CN 116951002 A CN116951002 A CN 116951002A
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- 238000012360 testing method Methods 0.000 title claims abstract description 105
- 238000004088 simulation Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/005—Fluid passages not relating to lubrication or cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a bearing seat and a test device for a high-temperature environment simulation test of a bearing, and belongs to the technical field of bearing tests. The bearing seat comprises an installation part for installing an outer ring of the test bearing, a flow channel for high-temperature medium circulation to heat the installation part is arranged in the bearing seat, and a medium inlet and a medium outlet which are respectively communicated with the flow channel are arranged on the bearing seat. High-temperature medium flows in through the medium inlet and is discharged through the medium outlet, so that the high-temperature medium flows through the flow channel in the bearing seat, the mounting part of the bearing seat is heated, heat is further transferred to the outer ring of the test bearing, the outer ring of the test bearing is heated, and the high-temperature environment of the operation of the outer ring of the bearing is simulated. Because the flow passage is only arranged in the bearing seat, other irrelevant components are not heated, and the method does not belong to a mode of checking in a physical host, the power consumption is low, the energy is saved, and the cost is low.
Description
Technical Field
The invention relates to a bearing seat and a test device for a high-temperature environment simulation test of a bearing, and belongs to the technical field of bearing tests.
Background
The bearings in different application occasions are in different environments, and different environment simulation tests need to be carried out on the bearings so as to check whether the bearings can meet actual requirements. At present, no test for simulating the temperature of an outer ring is independently constructed for a bearing in the high-temperature environment of the outer ring of the bearing in an aeroengine, and the adopted method is to put the test bearing into a high-temperature environment box for testing. For example, the method and the device for dynamic simulation test of bearing lubricating grease under high temperature environment disclosed in Chinese patent application publication No. CN101419220A are characterized in that the lubricating grease is filled in a test bearing and placed in a closed high temperature box, an electric heater is arranged in the box, the test bearing is arranged at the cantilever end of a main shaft, and two ends of the main shaft are supported by two fulcrum bearings and are connected with a driving motor through a coupler so as to drive the test bearing to rotate. The test bearing is provided with a loading sleeve (i.e. a bearing seat), the loading sleeve is provided with a radial loading spring and an axial loading spring, when the test bearing rotates, the spring force of the radial loading spring and the spring force of the axial loading spring directly act on the loading sleeve, the loading sleeve transmits the spring force to the test bearing, and the dynamic stress condition of the test bearing in a high temperature state is simulated.
According to the device, the cantilever end of the main shaft, the test bearing, the bearing seat, the radial loading spring and the axial loading spring are all arranged in the high-temperature box, a large number of heated parts are needed, and the actual useful heating parts are only the outer ring of the test bearing, so that the high-temperature box consumes large electric power and is not energy-saving enough. Of course, there is also a test mode that is directly checked in the physical host, and this mode is costly. Therefore, the high-temperature environment simulation test method and the device for the bearing can well simulate the real situation of the bearing in the host, and are low in power consumption and cost and urgent.
Disclosure of Invention
The invention aims to provide a bearing seat for a high-temperature environment simulation test of a bearing, which solves the problems of high power consumption and energy saving caused by that a plurality of parts are arranged in a high-temperature box together or high cost caused by examination in a physical host in the prior art; the invention also aims to provide a high-temperature environment simulation test device for the bearing, so as to solve the problems.
In order to achieve the above purpose, the bearing pedestal for the high-temperature environment simulation test of the bearing adopts the following technical scheme:
the bearing seat for the high-temperature environment simulation test of the bearing comprises a mounting part for mounting an outer ring of the test bearing, a runner for high-temperature medium circulation to heat the mounting part is arranged in the bearing seat, and a medium inlet and a medium outlet which are respectively communicated with the runner are arranged on the bearing seat.
The beneficial effects of the technical scheme are that: the invention improves the bearing seat, a runner for high-temperature medium circulation to heat the installation part is arranged in the bearing seat, and a medium inlet and a medium outlet which are respectively communicated with the runner are arranged on the bearing seat, so that the high-temperature medium flows in through the medium inlet and is discharged through the medium outlet, the high-temperature medium flows through the runner in the bearing seat, the installation part of the bearing seat is heated, heat is further transferred to the test bearing outer ring, the test bearing outer ring is heated, and the high-temperature environment of the operation of the bearing outer ring is simulated. Because the flow passage is only arranged in the bearing seat, other irrelevant components are not heated, and the method does not belong to a mode of checking in a physical host, the power consumption is low, the energy is saved, and the cost is low.
Further, the bearing seat comprises a bearing seat body and an outer liner fixedly arranged outside the bearing seat body, the installation part is positioned on the bearing seat body, and the flow passage is jointly enclosed by the bearing seat body and the outer liner.
The beneficial effects of the technical scheme are that: the forming of the runner is convenient, and the manufacturing is convenient.
Further, a groove is formed in the outer peripheral surface of the bearing seat body, and the flow passage is defined by the groove and the inner wall of the outer bushing.
The beneficial effects of the technical scheme are that: only set up the recess on the outer peripheral face of bearing frame body, utilize the inner wall of outer bush to enclose into the runner jointly, simple structure does not need to carry out excessive processing to the outer bush, convenient processing manufacturing.
Further, the groove is a spiral groove, the medium inlet is positioned at one axial end of the spiral groove, and the medium outlet is positioned at the other axial end of the spiral groove.
The beneficial effects of the technical scheme are that: the spiral groove is convenient to process, and meanwhile, the whole section of the groove is convenient to communicate; the medium inlet and the medium outlet are respectively positioned at two axial ends, so that the heat of the high-temperature medium can be fully utilized, and the bearing seat can be fully heated.
Further, the bearing seat body is in a step shape, the periphery of the bearing seat body comprises a large diameter part and a small diameter part, the large neck part comprises a mounting part and a non-mounting part connected with the mounting part, the medium inlet is positioned at a position corresponding to the mounting part, and the medium outlet is positioned at a position corresponding to the non-mounting part.
The beneficial effects of the technical scheme are that: the medium inlet and the medium outlet are positioned at different positions, so that the arrangement is convenient, and meanwhile, the position of the medium inlet corresponds to the mounting part, so that the heating effect on the mounting part is better.
Further, the material of the bearing seat body is the same as that of the outer lining.
The beneficial effects of the technical scheme are that: the thermal expansion coefficients are the same, so that the bearing seat body and the outer bushing can synchronously deform after the temperature rises, and gaps caused by asynchronous deformation of the bearing seat body and the outer bushing are avoided, and high-temperature medium leakage is further caused.
Further, the outer part of the outer bushing is provided with a heat insulation plate for being in pressing fit with the radial loading mechanism.
The beneficial effects of the technical scheme are that: avoiding the temperature from being transferred to the radial loading mechanism to influence the normal operation of the radial loading mechanism.
Further, a temperature sensor for detecting the temperature of the outer ring of the test bearing is arranged on the bearing seat.
The beneficial effects of the technical scheme are that: the exact temperature of the outer race of the test bearing is conveniently known to control the heating temperature.
In order to achieve the above purpose, the high-temperature environment simulation test device for the bearing adopts the following technical scheme:
the utility model provides a high temperature environment simulation test device of bearing, including the main shaft that is used for installing test bearing inner race, the bearing frame, arrange in radial one side of bearing frame in order to exert radial force's radial loading mechanism to the bearing frame, arrange in axial one side of bearing frame in order to exert axial force's axial loading mechanism to the bearing frame, the bearing frame is including the installation department that is used for installing test bearing outer lane, be provided with in the bearing frame and be used for high temperature medium circulation in order to carry out the runner of heating to the installation department, be provided with medium import and the medium export with the runner intercommunication respectively on the bearing frame.
The beneficial effects of the technical scheme are that: the invention improves the bearing seat, a runner for high-temperature medium circulation to heat the installation part is arranged in the bearing seat, and a medium inlet and a medium outlet which are respectively communicated with the runner are arranged on the bearing seat, so that the high-temperature medium flows in through the medium inlet and is discharged through the medium outlet, the high-temperature medium flows through the runner in the bearing seat, the installation part of the bearing seat is heated, heat is further transferred to the test bearing outer ring, the test bearing outer ring is heated, and the high-temperature environment of the operation of the bearing outer ring is simulated. Because the flow passage is only arranged in the bearing seat, other irrelevant components are not heated, and the method does not belong to a mode of checking in a physical host, the power consumption is low, the energy is saved, and the cost is low.
Further, the bearing seat comprises a bearing seat body and an outer liner fixedly arranged outside the bearing seat body, the installation part is positioned on the bearing seat body, and the flow passage is jointly enclosed by the bearing seat body and the outer liner.
The beneficial effects of the technical scheme are that: the forming of the runner is convenient, and the manufacturing is convenient.
Further, a groove is formed in the outer peripheral surface of the bearing seat body, and the flow passage is defined by the groove and the inner wall of the outer bushing.
The beneficial effects of the technical scheme are that: only set up the recess on the outer peripheral face of bearing frame body, utilize the inner wall of outer bush to enclose into the runner jointly, simple structure does not need to carry out excessive processing to the outer bush, convenient processing manufacturing.
Further, the groove is a spiral groove, the medium inlet is positioned at one axial end of the spiral groove, and the medium outlet is positioned at the other axial end of the spiral groove.
The beneficial effects of the technical scheme are that: the spiral groove is convenient to process, and meanwhile, the whole section of the groove is convenient to communicate; the medium inlet and the medium outlet are respectively positioned at two axial ends, so that the heat of the high-temperature medium can be fully utilized, and the bearing seat can be fully heated.
Further, the bearing seat body is in a step shape, the periphery of the bearing seat body comprises a large diameter part and a small diameter part, the large neck part comprises a mounting part and a non-mounting part connected with the mounting part, the medium inlet is positioned at a position corresponding to the mounting part, and the medium outlet is positioned at a position corresponding to the non-mounting part.
The beneficial effects of the technical scheme are that: the medium inlet and the medium outlet are positioned at different positions, so that the arrangement is convenient, and meanwhile, the position of the medium inlet corresponds to the mounting part, so that the heating effect on the mounting part is better.
Further, the material of the bearing seat body is the same as that of the outer lining.
The beneficial effects of the technical scheme are that: the thermal expansion coefficients are the same, so that the bearing seat body and the outer bushing can synchronously deform after the temperature rises, and gaps caused by asynchronous deformation of the bearing seat body and the outer bushing are avoided, and high-temperature medium leakage is further caused.
Further, the outer part of the outer bushing is provided with a heat insulation plate for being in pressing fit with the radial loading mechanism.
The beneficial effects of the technical scheme are that: avoiding the temperature from being transferred to the radial loading mechanism to influence the normal operation of the radial loading mechanism.
Further, a temperature sensor for detecting the temperature of the outer ring of the test bearing is arranged on the bearing seat.
The beneficial effects of the technical scheme are that: the exact temperature of the outer race of the test bearing is conveniently known to control the heating temperature.
Further, the radial loading mechanism comprises a radial force transmission heat insulation rod, the axial loading mechanism comprises an axial force transmission heat insulation rod, and one ends of the radial force transmission heat insulation rod and the axial force transmission heat insulation rod, which are used for jacking the bearing seat, are provided with ball heads.
The beneficial effects of the technical scheme are that: the contact area of the ball head is small, the heat transfer area can be reduced, and the influence of temperature rise on the axial loading mechanism and the radial loading mechanism is reduced.
Drawings
FIG. 1 is a diagram showing the state of use of the high-temperature environment simulation test device for bearings according to the present invention.
In the figure: 1. a medium inlet; 2. an outer liner; 3. a bearing housing body; 3-1, grooves; 4. an axial force transmission heat insulation rod; 5. a temperature sensor; 6. a medium outlet; 7. a radial force transmission heat insulation rod; 8. a heat insulating plate; 9. testing a bearing; 10. a front fulcrum bearing; 11. a main shaft; 12. a rear pivot bearing; 13. and driving the motor.
Detailed Description
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Example 1 of a high-temperature environment simulation test apparatus (hereinafter referred to as test apparatus) for a bearing in the present invention:
the flow channel for high-temperature medium circulation is arranged in the bearing seat of the test device, the installation part for installing the test bearing outer ring can be heated, heat is further transferred to the test bearing outer ring, the test bearing outer ring is heated, the high-temperature environment of the operation of the bearing outer ring is simulated, heating components are few, the consumption power is low, the energy is saved, and the cost is low.
As shown in fig. 1, the test device comprises a front fulcrum bearing 10, a main shaft 11, a rear fulcrum bearing 12 and a driving motor 13, wherein the driving motor 13 is in transmission connection with the main shaft 11 and is used for driving the main shaft 11 to rotate. The inner ring of the test bearing 9, the inner ring of the front fulcrum bearing 10 and the inner ring of the rear fulcrum bearing 12 are all arranged on the main shaft 11, the outer ring of the front fulcrum bearing 10 and the outer ring of the rear fulcrum bearing 12 are all fixed, the outer rings are used as fixed fulcrums of the whole test shafting, the whole test shafting structure is a cantilever beam structure, and the test bearing 9 which is to simulate the environment temperature of the outer ring is positioned at the cantilever end.
The test device further comprises a bearing seat, the outer ring of the test bearing 9 is arranged in the bearing seat, the bearing seat comprises an installation part for installing the outer ring of the test bearing 9, a flow channel for high-temperature medium to circulate so as to heat the installation part is arranged in the bearing seat, a medium inlet 1 and a medium outlet 6 which are respectively communicated with the flow channel are arranged on the bearing seat, high-temperature medium flows in through the medium inlet 1 and is discharged through the medium outlet 6, the high-temperature medium flows through the flow channel in the bearing seat, the installation part of the bearing is heated, heat is further transferred to the outer ring of the test bearing 9, the outer ring of the test bearing 9 is heated, and the high-temperature environment of the outer ring operation of the bearing is simulated. The high-temperature medium can be high-temperature air, high-temperature water or high-temperature oil, and different high-temperature mediums can be adopted according to the temperature requirement of the outer ring of the test bearing 9.
Specifically, the bearing housing includes a bearing housing body 3 and an outer liner 2 fixedly mounted outside the bearing housing body 3, and the outer liner 2 in this embodiment is interference fitted outside the bearing housing body 3. The installation part is located on the bearing seat body 3, the flow passage is defined by the bearing seat body 3 and the outer bushing 2, in this embodiment, a groove 3-1 is provided on the outer peripheral surface of the bearing seat body 3, and the flow passage is defined by the groove 3-1 and the inner wall of the outer bushing 2. The groove 3-1 is a spiral groove, the medium inlet 1 and the medium outlet 6 are both arranged on the outer bushing 2, the medium inlet 1 is positioned at one axial end of the spiral groove, the medium outlet 6 is positioned at the other axial end of the spiral groove, a high-temperature medium enters one axial end of the spiral groove through the medium inlet 1 and flows along the spiral groove until reaching the other axial end of the spiral groove, finally flows out of the medium outlet 6, the high-temperature medium exchanges heat with the bearing seat body 3 fully, the mounting part is heated, and then the outer ring of the test bearing is heated.
As shown in fig. 1, the bearing seat body 3 is in a stepped shape, the outer periphery of the bearing seat body 3 comprises a large diameter portion and a small diameter portion, the large neck portion comprises the mounting portion and a non-mounting portion connected with the mounting portion, the medium inlet 1 is located at a position corresponding to the mounting portion, the medium outlet 6 is located at a position corresponding to the non-mounting portion, and the medium inlet 1 and the medium outlet 6 are located at two sides of the outer bushing 2 (the medium outlet 6 is located at the upper side and the medium inlet 1 is located at the lower side in fig. 1), so that the arrangement of the medium inlet 1 and the medium outlet 6 is facilitated, and meanwhile, the heat of a high-temperature medium is also conveniently and fully utilized, and the bearing seat is fully heated.
In addition, install the temperature sensor 5 that is used for detecting the temperature of test bearing 9 outer lane on the bearing frame body 3, temperature sensor 5 is located the inboard of recess 3-1, conveniently knows the real-time exact temperature of test bearing 9 outer lane to control heating temperature, constitute closed loop temperature control with the high temperature medium.
In addition, the material of the bearing seat body 3 is the same as that of the outer liner 2, and the bearing seat body 3 and the outer liner 2 have the same thermal expansion coefficient, so that the bearing seat body 3 and the outer liner 2 can synchronously deform after the temperature rises, and gaps caused by asynchronous deformation of the bearing seat body and the outer liner are avoided, and then high-temperature medium leakage is caused.
The test device further comprises a radial loading mechanism arranged on one radial side of the bearing seat for applying radial force to the bearing seat, and an axial loading mechanism arranged on one axial side of the bearing seat for applying axial force to the bearing seat, as shown in fig. 1, wherein the radial loading mechanism comprises a radial force transmission heat insulation rod 7 and an electric cylinder or a hydraulic cylinder (not shown in the figure) for driving the radial force transmission heat insulation rod to act, and the axial loading mechanism comprises an axial force transmission heat insulation rod 4 and an electric cylinder or a hydraulic cylinder (not shown in the figure) for driving the axial force transmission heat insulation rod to act, and the loading force of the electric cylinder or the hydraulic cylinder is loaded on the force transmission heat insulation rod and further loaded on the bearing seat and the test bearing 9. The radial force transmission heat insulation rod 7 and the axial force transmission heat insulation rod 4 are corrugated rod bodies, so that the heat dissipation area can be increased, the influence of the temperature of the bearing seat on the loading mode is reduced, meanwhile, the ball heads are arranged at one ends of the radial force transmission heat insulation rod 7 and the axial force transmission heat insulation rod 4, which are used for jacking the bearing seat, and the contact area of the ball heads is small, so that the heat transfer area can be reduced, and the influence of temperature rise on the axial loading mechanism and the radial loading mechanism is reduced. In addition, the outside of the outer lining 2 is provided with a heat insulation plate 8 which is used for being in pressing fit with the ball head of the radial force transmission heat insulation rod 7, so that the heat transfer effect is further reduced.
The working principle of the test device in the invention is as follows: the driving motor 13 drives the main shaft 11 to rotate and drives the inner ring of the test bearing 9 to rotate according to the test rotating speed requirement. The axial force transmission heat insulation rod 4 loads an axial load on the test bearing 9, the radial force transmission heat insulation rod 7 loads a radial load on the test bearing 9, and the test is carried out according to a test load spectrum. The temperature sensor 5 and the high temperature control system control the temperature of the outer ring of the test bearing 9 through the medium inlet 1 and the medium outlet 6, and test is carried out according to the test temperature requirement. Because the flow passage is only arranged in the bearing seat, other irrelevant components are not heated, and the method does not belong to a mode of checking in a physical host, the power consumption is low, the energy is saved, and the cost is low.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides different structures of the radial force-transmitting heat-insulating rod and the axial force-transmitting heat-insulating rod, unlike embodiment 1, in which the radial force-transmitting heat-insulating rod and the axial force-transmitting heat-insulating rod are both in pressing contact with the bearing housing through flat end surfaces.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides different constituent structures of the radial loading mechanism and the axial loading mechanism, unlike embodiment 1, the telescopic rod of the electric cylinder or the hydraulic cylinder is directly used as a dowel bar to be in press fit with the bearing seat.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides a different composition structure of the bearing housing, unlike embodiment 1, in which no temperature sensor is mounted on the bearing housing, and at this time, the medium temperatures at the medium inlet and the medium outlet may be monitored separately to control the heating temperature of the bearing housing.
In other embodiments of the bearing high temperature environment simulation test apparatus: the bearing seat body and the outer lining sleeve are made of different materials, and are welded and fixed, and the deformation of the bearing seat body and the outer lining sleeve which are asynchronous can be borne due to firm welding mode.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides a different arrangement of the medium inlet and the medium outlet, unlike embodiment 1, in which the medium outlet is also located at a position corresponding to the mounting portion.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides a different structure of the bearing housing body, unlike embodiment 1 in that the outer circumference of the bearing housing body is of equal diameter, and the arrangement positions of the medium inlet and the medium outlet are both corresponding to the outer circumference of the bearing housing body.
In other embodiments of the bearing high temperature environment simulation test apparatus: this embodiment provides a different form of groove, unlike embodiment 1, in which the groove is not a spiral groove, but includes a plurality of annular grooves arranged at intervals in the axial direction, and the adjacent annular grooves communicate with each other.
In other embodiments of the bearing high temperature environment simulation test apparatus: the present embodiment provides different forming modes of the runner, unlike embodiment 1, grooves are formed on the outer peripheral surface of the bearing seat body and on the inner wall of the outer bushing, and after the grooves are fixed, the grooves are combined to form the runner. Of course, in other embodiments, only the inner wall of the outer liner may be provided with a groove, and the groove and the outer peripheral surface of the bearing seat body jointly enclose a flow channel.
In other embodiments of the bearing high temperature environment simulation test apparatus: this embodiment provides the different structure constitution of bearing frame, and unlike embodiment 1, the bearing frame includes the body, is provided with the annular groove of opening towards axial one side on the body, and the bearing frame is still including fixing the shrouding with the closing cap annular groove at the axial tip of body, and annular groove and shrouding enclose into the runner jointly, and the runner at this moment is annular. Of course, in other embodiments, the bearing seat may be an integral bearing seat, for example, the bearing seat is formed by using a 3D printing technology, and the flow channel is directly formed by printing.
The embodiment of the bearing pedestal for the high-temperature environment simulation test of the bearing is as follows: the specific structure of the bearing seat for the high-temperature environment simulation test of the bearing is the same as that of the bearing seat in the embodiment of the high-temperature environment simulation test device of the bearing, and is not repeated here.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The bearing seat for the high-temperature environment simulation test of the bearing comprises an installation part for installing an outer ring of a test bearing (9), and is characterized in that a runner for high-temperature medium circulation to heat the installation part is arranged in the bearing seat, and a medium inlet (1) and a medium outlet (6) which are respectively communicated with the runner are arranged on the bearing seat.
2. The bearing pedestal for the high-temperature environment simulation test of the bearing according to claim 1, wherein the bearing pedestal comprises a bearing pedestal body (3) and an outer liner (2) fixedly installed outside the bearing pedestal body (3), the installation part is positioned on the bearing pedestal body (3), and the runner is jointly surrounded by the bearing pedestal body (3) and the outer liner (2).
3. Bearing pedestal for high-temperature environment simulation test according to claim 2, characterized in that the outer peripheral surface of the bearing pedestal body (3) is provided with a groove (3-1), and the flow passage is jointly surrounded by the groove (3-1) and the inner wall of the outer bushing (2).
4. A bearing seat for a high-temperature environment simulation test of a bearing according to claim 3, wherein the groove (3-1) is a spiral groove, the medium inlet (1) is positioned at one axial end of the spiral groove, and the medium outlet (6) is positioned at the other axial end of the spiral groove.
5. The bearing housing for a high-temperature environment simulation test of a bearing according to any one of claims 1 to 4, wherein the bearing housing body (3) is stepped, the outer periphery of the bearing housing body (3) comprises a large diameter portion and a small diameter portion, the large neck portion comprises the mounting portion and a non-mounting portion connected with the mounting portion, the medium inlet (1) is located at a position corresponding to the mounting portion, and the medium outlet (6) is located at a position corresponding to the non-mounting portion.
6. The bearing housing for a high-temperature environment simulation test of a bearing according to any one of claims 2 to 4, wherein the material of the housing body (3) is the same as the material of the outer bush (2).
7. Bearing seat for a high temperature environment simulation test of a bearing according to any of claims 2-4, characterized in that the outer part of the outer bushing (2) is provided with a heat insulating plate (8) for press fit with a radial loading mechanism.
8. The bearing housing for a high-temperature environment simulation test of a bearing according to any one of claims 1 to 4, wherein a temperature sensor (5) for detecting the temperature of the outer ring of the test bearing (9) is mounted on the bearing housing.
9. The bearing high-temperature environment simulation test device comprises a main shaft (11) for installing an inner ring of a test bearing (9), a bearing seat, a radial loading mechanism arranged on one radial side of the bearing seat for applying radial force to the bearing seat, and an axial loading mechanism arranged on one axial side of the bearing seat for applying axial force to the bearing seat, and is characterized in that the bearing seat is used for the bearing high-temperature environment simulation test according to any one of claims 1-8.
10. The bearing high-temperature environment simulation test device according to claim 9, wherein the radial loading mechanism comprises a radial force transmission heat insulation rod (7), the axial loading mechanism comprises an axial force transmission heat insulation rod (4), and one end of the radial force transmission heat insulation rod (7) and one end of the axial force transmission heat insulation rod (4) used for pressing a bearing seat are both provided with a ball head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310683710.8A CN116951002A (en) | 2023-06-09 | 2023-06-09 | Bearing seat and test device for high-temperature environment simulation test of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310683710.8A CN116951002A (en) | 2023-06-09 | 2023-06-09 | Bearing seat and test device for high-temperature environment simulation test of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116951002A true CN116951002A (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310683710.8A Pending CN116951002A (en) | 2023-06-09 | 2023-06-09 | Bearing seat and test device for high-temperature environment simulation test of bearing |
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| Country | Link |
|---|---|
| CN (1) | CN116951002A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048724A (en) * | 1958-07-31 | 1962-08-07 | Westinghouse Electric Corp | Bearing assembly for dynamoelectric machines |
| CN201302566Y (en) * | 2008-11-21 | 2009-09-02 | 洛阳轴研科技股份有限公司 | Bearing high temperature grease performance tester |
| CN101929918A (en) * | 2010-08-11 | 2010-12-29 | 洛阳轴研科技股份有限公司 | Simulation test method of rotating outer ring/fixed inner ring rolling bearing |
| CN112254962A (en) * | 2020-09-15 | 2021-01-22 | 人本股份有限公司 | Rolling bearing high-temperature high-speed endurance test bed |
| CN115962936A (en) * | 2022-12-28 | 2023-04-14 | 河南科技大学 | High-speed rolling bearing high-temperature environment simulation test device |
-
2023
- 2023-06-09 CN CN202310683710.8A patent/CN116951002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048724A (en) * | 1958-07-31 | 1962-08-07 | Westinghouse Electric Corp | Bearing assembly for dynamoelectric machines |
| CN201302566Y (en) * | 2008-11-21 | 2009-09-02 | 洛阳轴研科技股份有限公司 | Bearing high temperature grease performance tester |
| CN101929918A (en) * | 2010-08-11 | 2010-12-29 | 洛阳轴研科技股份有限公司 | Simulation test method of rotating outer ring/fixed inner ring rolling bearing |
| CN112254962A (en) * | 2020-09-15 | 2021-01-22 | 人本股份有限公司 | Rolling bearing high-temperature high-speed endurance test bed |
| CN115962936A (en) * | 2022-12-28 | 2023-04-14 | 河南科技大学 | High-speed rolling bearing high-temperature environment simulation test device |
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