CN112326243A

CN112326243A - Bearing performance testing device

Info

Publication number: CN112326243A
Application number: CN202011223565.8A
Authority: CN
Inventors: 杨珍珠
Original assignee: Shanghai C&U Group Co Ltd; C&U Co Ltd
Current assignee: Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-02-05
Anticipated expiration: 2040-11-05
Also published as: CN112326243B

Abstract

The invention provides a bearing performance testing device which comprises a testing station, a driving assembly, a loading assembly and an interference assembly, wherein the testing station is used for mounting a bearing to be tested, the driving assembly is used for driving the bearing to be tested at the testing station to operate, the loading assembly is arranged at one radial side of the testing station and can apply load to the bearing to be tested, the interference assembly comprises an accommodating pool and a plurality of stirring pieces, the accommodating pool is used for accommodating interference objects, and the stirring pieces can be driven by the driving assembly to enable the interference objects in the accommodating pool to be splashed to the testing station. Aiming at the defects of the prior art, the invention provides a bearing performance testing device which can facilitate the operation of testing and better obtain test data.

Description

Bearing performance testing device

Technical Field

The invention relates to a bearing performance testing device.

Background

The bearing is an important part for the rotary support of a mechanical body, the bearing has wide application, relates to the aspects of life and production of people, and often puts more requirements on part of the performance of the bearing according to the specific operating condition of the bearing, wherein when aiming at an automobile transmission shaft or an electric vehicle wheel, because an interferent consisting of liquid, solid particles or a mixture of the liquid and the solid particles exists on a road surface, the interferent is easy to permeate to the positions of the automobile transmission shaft or the electric vehicle wheel with kinetic energy in the driving process of the vehicle, so that the sealing performance of the bearing is higher; in addition, in the actual running condition of the vehicle, the condition of vehicle bump caused by the road surface is unavoidable, under the condition, eccentricity is generated between a vehicle transmission shaft or an electric vehicle wheel and a component correspondingly connected with an outer ring of the bearing, so that the bearing needs to have certain eccentricity resistance, the bearing needs to be tested for eccentricity resistance, sealing performance, service life under different variables and the like before leaving a factory, and therefore test equipment is needed to simulate data of the bearing running under different road conditions, and the test data for self error correction and provided for a customer can be obtained conveniently.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a bearing performance testing device which can facilitate the operation of testing and better obtain test data.

In order to achieve the purpose, the invention provides a bearing performance testing device which comprises a testing station, a driving assembly, a loading assembly and an interference assembly, wherein the testing station is used for mounting a bearing to be tested, the driving assembly is used for driving the bearing to be tested at the testing station to operate, the loading assembly is arranged at one radial side of the testing station and can apply load to the bearing to be tested, the interference assembly comprises an accommodating pool and a plurality of stirring pieces, the accommodating pool is used for accommodating interference objects, and the stirring pieces can be driven by the driving assembly to enable the interference objects in the accommodating pool to be splashed to the testing station.

The technical scheme has the advantages that: through the test station, the drive assembly, the setting of loading subassembly and interference subassembly, install the bearing that awaits measuring behind the test station, it operates to drive the bearing that awaits measuring by the drive assembly, the in-process loading subassembly of operation provides a radial load, make the bearing be in certain eccentric state and operate, the simulation is gone in-process, eccentric operating condition, and the interference subassembly including a plurality of stirring pieces and holding pond, can splash the interference thing in the holding pond to the test station through a plurality of stirring pieces, the simulation is gone in-process, the sealing performance of bearing, and can pass through the constitution of load and interference thing that the adjustment loading subassembly was applyed, the operation situation and the life of bearing under the different road conditions of simulation, need not to set up different devices, be convenient for operate and better acquisition test data.

The invention may further be arranged to: the drive assembly comprises a rotating shaft driven by a motor, the test station is arranged on the rotating shaft, the accommodating pool is arranged at a position close to the rotating shaft, the stirring pieces are all sleeved on the rotating shaft and are arranged along the axial direction of the rotating shaft, and the stirring pieces comprise a plurality of blades which radially extend along the rotating shaft.

Through further setting, through cup jointing a plurality of stirring spares in the pivot, constitute the stirring spare and can rotate with the bearing that awaits measuring together, and the blade of radial extension on the stirring spare can stir the interference thing that is arranged in pivot one side holding pond along with pivot pivoted in-process, forms the interference thing and splashes to the test station.

The invention may further be arranged to: the rotating shaft comprises baffle plates positioned at two sides of the testing station.

Through further setting up, because car transmission shaft or electric motor car wheel department all have other parts to shelter from or protect, consequently through the baffle of test station both sides department, the operating mode of simulation reality that can be better.

The invention may further be arranged to: the test device comprises a support, wherein a sleeve joint part is arranged on the support, a test station is arranged between a rotating shaft and the sleeve joint part, a loading assembly comprises a loading screw rod and a spring, and the spring respectively forms elastic butt joint with the loading screw rod and the sleeve joint part.

Through further setting, connect the spring respectively on year screw rod and socket joint portion elastically, can change the deformation volume of spring through adjusting the loading screw rod, and then change the radial load that the spring applyed to socket joint portion.

The invention may further be arranged to: the water storage tank comprises a shell, wherein the accommodating tank is formed by the bottom of the shell, and a water inlet, an overflow port and a water outlet are sequentially formed in the side wall of the shell towards the bottom direction of the shell.

Through further setting, through the setting of water inlet and delivery port, on the one hand, be convenient for change the interferent kind, on the other hand is convenient for switch among the test item of difference, and the setting of gap is convenient for adjust the distance between interferent and the test station.

The invention may further be arranged to: an air heater is arranged at the top of the shell.

Through further setting, can be by hot-blast temperature regulation casing in, the demand of different experiments of better satisfied.

The invention may further be arranged to: the test station be two at least, and the pivot is provided with the division board between adjacent test station.

Through further setting up, the setting of a plurality of test station can be guaranteed pivot pivoted stability by the bearing more than two at least, and sets up the division board between adjacent test station, avoids interfering mutually between the adjacent test station.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion a of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion b of FIG. 1 according to an embodiment of the present invention;

wherein: a test station 1; a drive assembly 2; a rotating shaft 21; a coupling member 22; a motor output shaft 23; a baffle 211; a loading assembly 3; a loading screw 31; a spring 32; an interference component 4; an accommodation tank 41; the stirring member 42; a blade 421; an interferent 43; a housing 5; a water inlet 51; a weir 52; a water outlet 53; a bracket 54; a socket portion 541; an extension 542; a hot air blower 6.

Detailed Description

The embodiment of the bearing performance testing device of the invention is shown in figures 1-3: including test station 1, drive assembly 2, loading component 3 and interference component 4, test station 1 supply the bearing installation that awaits measuring, drive assembly 2 be used for the bearing operation that awaits measuring of drive test station 1 department, loading component 3 set up in test station 1 radial one side department and can exert load to the bearing that awaits measuring, interference component 4 including holding tank 41 and a plurality of stirring piece 42, holding tank 41 be used for holding interference 43, in this embodiment, interference 43 preferably muddy water, of course also can choose other liquid, solid particle or mixture between them for use, stirring piece 42 can be driven by drive assembly 2 and impel the interference in holding tank 41 to spill to test station 1. The driving assembly 2 comprises a rotating shaft 21 and a coupling member 22 which are driven by a motor, the coupling member 22 is used for connecting the rotating shaft 21 and a motor output shaft 23, the test station 1 is arranged on the rotating shaft 21, the accommodating pool 41 is arranged near the rotating shaft 21, the stirring members 42 are all sleeved on the rotating shaft 21 and are arranged along the axial direction of the rotating shaft 21, and each stirring member 42 comprises a plurality of blades 421 which radially extend along the rotating shaft 21. The rotary shaft 21 includes baffles 211 at both sides of the test station 1. The device comprises a shell 5, wherein the accommodating pool 41 is formed by the bottom of the shell 5, and the side wall of the shell 5 is sequentially provided with a water inlet 51, an overflow port 52 and a water outlet 53 towards the bottom direction. An air heater 6 is arranged at the top of the shell 5. The casing 5 comprises a support 54, the support 54 is provided with a sleeve joint portion 541, the test station 1 is arranged between the rotating shaft 21 and the sleeve joint portion 541, the loading assembly 3 comprises a loading screw 31 and a spring 32, the spring 32 forms elastic butt joint with the loading screw 31 and the sleeve joint portion 541 respectively, and the loading screw 31 and the support 54 are in threaded connection with an extending portion 542 at the radial extending position of the sleeve joint portion 541. The number of the test stations 1 is at least two, a partition board 541 is arranged between the adjacent test stations 1 and the rotating shaft 21, and the partition board 541 is composed of a bracket 54.

The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a bearing capability test device which characterized in that: the device comprises a test station, a driving component, a loading component and an interference component, wherein the test station is used for mounting a bearing to be tested, the driving component is used for driving the bearing to be tested at the test station to operate, the loading component is arranged at one side of the test station in the radial direction and can apply load to the bearing to be tested, the interference component comprises a containing pool and a plurality of stirring pieces, the containing pool is used for containing an interference object, and the stirring pieces can be driven by the driving component to enable the interference object in the containing pool to be splashed to the test station.

2. The bearing performance testing apparatus according to claim 1, wherein: the drive assembly comprises a rotating shaft driven by a motor, the test station is arranged on the rotating shaft, the accommodating pool is arranged at a position close to the rotating shaft, the stirring pieces are all sleeved on the rotating shaft and are arranged along the axial direction of the rotating shaft, and the stirring pieces comprise a plurality of blades which radially extend along the rotating shaft.

3. The bearing performance testing apparatus according to claim 2, wherein: the rotating shaft comprises baffle plates positioned at two sides of the testing station.

4. A bearing performance testing apparatus according to claim 2 or 3, wherein: the test device comprises a support, wherein a sleeve joint part is arranged on the support, a test station is arranged between a rotating shaft and the sleeve joint part, a loading assembly comprises a loading screw rod and a spring, and the spring respectively forms elastic butt joint with the loading screw rod and the sleeve joint part.

5. A bearing performance testing apparatus according to claim 1, 2 or 3, wherein: the water storage tank comprises a shell, wherein the accommodating tank is formed by the bottom of the shell, and a water inlet, an overflow port and a water outlet are sequentially formed in the side wall of the shell towards the bottom direction of the shell.

6. The bearing performance testing apparatus according to claim 5, wherein: an air heater is arranged at the top of the shell.

7. The bearing performance testing apparatus according to claim 1, wherein: the test station be two at least, and the pivot is provided with the division board between adjacent test station.