CN218411671U

CN218411671U - High-speed bearing life experimental device

Info

Publication number: CN218411671U
Application number: CN202222865991.2U
Authority: CN
Inventors: 张朝辉; 周盼伟; 姜欢欢; 王梦洁
Original assignee: Luoyang Aoju Bearing Technology Co ltd
Current assignee: Luoyang Aoju Bearing Technology Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-01-31
Anticipated expiration: 2032-10-29

Abstract

The utility model discloses a high-speed bearing life experimental device, which comprises a bottom frame and a bearing component, wherein the bearing component is arranged on one side of the top of the bottom frame, a plurality of groups of clamping seats are arranged around the outer side of the bearing component, a side frame is vertically fixed on the other side of the bottom frame, a rotating component is arranged above the bottom frame, and a cylinder for supporting the rotating component is arranged at the top of the side frame; the bearing component comprises an installation disc, and a rotating shaft is rotatably arranged in the middle of the installation disc. Has the advantages that: the utility model discloses a setting up the grip slipper that the multiunit position can be adjusted in step on the mounting disc, support tightly to the different positions outside the bearing inner race through the multiunit grip slipper is synchronous to accomplish the outer lane support action of not unidimensional bearing fast, the bearing centre gripping that awaits measuring of adaptation unidimensional not uses; and the positions of the pressing plates of a plurality of groups of clamping seats can be independently adjusted, so that the clamping adaptive effect on bearings with different sizes is further improved.

Description

High-speed bearing life experimental device

Technical Field

The utility model relates to a bearing experiment field, concretely relates to high-speed bearing life-span experimental apparatus.

Background

High speed bearing is fast because the rotational speed is in the operation in-process, whether unable direct observation has the defect, nevertheless can detect out through the temperature whether the bearing normally rotates, when lubricating not enough that lubricating oil quality is unqualified to arouse, causes the bearing burn easily and generates heat, and then causes the bearing can not rotate, so need carry out the life-span experiment to the bearing to verify whether the bearing can break down in the design life.

The applicant finds that at least the following technical problems exist in the prior art: current high-speed bearing life experimental apparatus need set up centre gripping equipment at the bearing inner race to guarantee that the inside fixed pivot of bearing inner race is in high-speed rotating state, and then whether can produce the high temperature phenomenon in the high-speed relative rotation process of verification interior outer lane, and current experimental apparatus keeps the quiescent condition of outer lane through compressing tightly the bearing inner race, and clamping stability is lower, and the bearing that awaits measuring of the different outer lane sizes of unable adaptation.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to provide a high-speed bearing life experimental device for solving the above problems, a plurality of groups of clamping seats with synchronously adjustable positions are arranged on the mounting disc, and different positions outside the bearing outer ring are synchronously pressed tightly by the plurality of groups of clamping seats, so that the outer ring supporting action of bearings with different sizes is rapidly completed, and the bearing to be tested is adapted to be clamped and used by bearings with different sizes; the positions of the pressing plates of the groups of clamping seats can be independently adjusted, so that the clamping and adapting effects on bearings with different sizes are further improved, and the details are explained below.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high-speed bearing life experimental device, including chassis and bearing subassembly, the bearing subassembly sets up in one side of chassis top, the bearing subassembly outside encircles and is provided with the multiunit grip slipper, the chassis opposite side is vertically fixed with the side bearer, be provided with the runner assembly above the chassis, the side bearer top is provided with the cylinder that supports the runner assembly;

the bearing subassembly includes the mounting disc, and this mounting disc middle part rotates and is provided with the pivot, the end fixing has the fluted disc behind the pivot, around being provided with multiunit intercommunication groove on the mounting disc, multiunit intercommunication groove the place ahead all is provided with the driving cylinder, and the multiunit the intercommunication groove both sides all are provided with the rotatory rotation ear of supporting the driving cylinder, the driving cylinder outside is fixed with the gear of meshing fluted disc, driving cylinder middle part screw-thread fit has the screw rod of fixed connection grip slipper, rotate the ear outside be provided with the deflector that supports the grip slipper and radially slide along the mounting disc on the mounting disc.

By adopting the high-speed bearing service life experimental device, in the using process, the inner ring of the bearing to be tested is arranged on the outer side of the fixed disc in a penetrating manner, so that the interference fit between the fixed disc and the bearing to be tested is ensured, then the bearing to be tested is driven to move between the multiple groups of clamping seats through the cylinder supporting and rotating assembly, then the rotating knob drives the rotating shaft to rotate, the fluted disc at the end part of the rotating shaft drives the multiple groups of gears to synchronously rotate, the gears drive the driving cylinder to rotate under the support of the rotating lugs, and the clamping seats are driven by the driving screws to integrally slide under the guiding limitation of the guide plate through the thread matching effect of the driving cylinder and the screws, so that different positions on the outer side of the outer ring of the bearing to be tested are clamped by utilizing the inner side accommodating grooves of the pressing plates of the multiple groups of clamping seats through adjusting the positions of the multiple groups of clamping seats, so as to realize the fixing process of the outer ring of the bearing to be tested; when the positions of the independent group of the press plates need to be adjusted to ensure that the press plates keep abutting against the outer ring of the bearing, the adjusting button is rotated to drive the adjusting rod to rotate, the position of the sliding block in the sliding groove is adjusted by utilizing the thread matching effect of the adjusting rod and the sliding block, the supporting sliding block and the press plates slide under the guide of the auxiliary rod, and the position adjusting action of the press plates on the independent group of the clamping seats is realized; the motor drives the fixed disc to support the inner ring of the bearing to be tested to rotate, and the temperature of the bearing is detected by the temperature probe clamped on the inner side of the upper pressure plate of the outer ring of the bearing, so that the fault problem that whether the bearing can generate high temperature in the designed service life is judged.

Preferably, a knob is fixed at the outer end of the rotating shaft, and one side of the gear, which is close to the fluted disc, penetrates through the communicating groove.

Preferably, the clamping seat comprises a sliding strip which radially penetrates through the guide plate along the mounting disc, the sliding strip is in sliding fit with the guide plate and is welded and fixed with the screw rod, and a sliding groove which extends along the length direction of the sliding strip penetrates through one side, far away from the screw rod, of the sliding strip.

Preferably, a sliding block is arranged inside the sliding groove in a sliding mode along the length direction of the sliding groove, an adjusting rod is rotatably matched inside the sliding groove, and the adjusting rod penetrates through the sliding block and is in threaded fit with the sliding block.

Preferably, the adjusting rod penetrates out one end of the sliding strip and is fixed with an adjusting button, the sliding block is close to one end of the side frame and is fixed with an arc-shaped pressing plate, and a containing groove is formed in the inner side of the pressing plate.

Preferably, an auxiliary hole penetrates through the middle of the sliding block, a plurality of groups of auxiliary rods extending along the radial direction of the sliding block are arranged on the outer side of the mounting disc in a surrounding mode, the auxiliary rods penetrate through the auxiliary hole and are in clearance fit with the auxiliary hole, and a temperature measuring probe is arranged in the middle of the accommodating groove.

Preferably, the rotating assembly is arranged at the telescopic end of the cylinder and comprises a rectangular frame-shaped motor cover, a motor is fixed inside the motor cover, and the output end of the motor penetrates out of the motor cover and is close to one side of the bearing assembly.

Preferably, the output end of the motor is fixed with a fixed disk for supporting the bearing inner ring, and one side of the fixed disk, which is close to the bearing component, is of a conical tip structure.

The beneficial effects are that: the utility model discloses a setting up the grip slipper that the multiunit position can be adjusted in step on the mounting disc, support tightly to the different positions outside the bearing inner race through the multiunit grip slipper is synchronous to accomplish the outer lane support action of not unidimensional bearing fast, the bearing centre gripping that awaits measuring of adaptation unidimensional not uses; and the positions of the pressing plates of a plurality of groups of clamping seats can be independently adjusted, so that the clamping adaptive effect on bearings with different sizes is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the present invention showing a partial structure;

fig. 4 is a schematic perspective view of the holder of the present invention;

fig. 5 is a schematic perspective view of the rotating assembly of the present invention.

The reference numerals are explained below:

1. a chassis; 2. a holding assembly; 201. installing a disc; 202. a rotating shaft; 202a, a knob; 203. a fluted disc; 204. a communicating groove; 205. rotating the lug; 206. a guide plate; 207. a drive cylinder; 207a, a gear; 208. a screw; 209. an auxiliary lever; 3. a clamping seat; 301. a slide bar; 301a, a chute; 302. a slider; 302a, auxiliary holes; 303. adjusting a rod; 303a, an adjusting button; 304. pressing a plate; 304a, a receiving groove; 305. a temperature measuring probe; 4. a cylinder; 5. a rotating assembly; 501. a motor cover; 502. an electric motor; 6. fixing the disc; 7. a side frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the utility model provides a high-speed bearing life experiment device, which comprises an underframe 1 and a bearing component 2, wherein the bearing component 2 is arranged on one side of the top of the underframe 1, a plurality of groups of clamping seats 3 are arranged around the outer side of the bearing component 2, the clamping seats 3 are supported by the bearing component 2 to clamp and lock the outer ring of a bearing to be tested, a side frame 7 is vertically fixed on the other side of the underframe 1, a rotating component 5 is arranged above the underframe 1, and a cylinder 4 for supporting the rotating component 5 is arranged on the top of the side frame 7;

the bearing assembly 2 comprises an installation disc 201, a rotating shaft 202 is arranged in the middle of the installation disc 201 in a rotating mode, a fluted disc 203 is fixed to the rear end portion of the rotating shaft 202, a plurality of groups of communicating grooves 204 are formed in the installation disc 201 in a surrounding mode, a driving cylinder 207 is arranged in front of each group of communicating grooves 204, rotating lugs 205 supporting the driving cylinder 207 to rotate are arranged on two sides of each group of communicating grooves 204, the rotating lugs 205 are in rotating fit with the rotating cylinder through bearings, gears 207a meshed with the fluted disc 203 are fixed to the outer side of the driving cylinder 207, a screw 208 fixedly connected with a clamping seat 3 is in threaded fit with the middle of the driving cylinder 207, and a guide plate 206 supporting the clamping seat 3 to slide in the radial direction of the installation disc 201 is arranged on the installation disc 201 on the outer side of each rotating lug 205.

As an alternative embodiment, a knob 202a is fixed at the outer end of the rotating shaft 202, and one side of the gear 207a, which is close to the toothed disc 203, penetrates through the communicating groove 204, so that the gear 207a can be meshed with the toothed disc 203;

the clamping seat 3 comprises a slide bar 301 penetrating through a guide plate 206 along the radial direction of a mounting disc 201, a rectangular hole for accommodating the slide bar 301 penetrates through the middle of the guide plate 206, the slide bar 301 and the guide plate 206 are in sliding fit through the rectangular hole so as to limit the sliding direction of the clamping seat 3 by using the guide plate 206, the slide bar 301 and a screw 208 are welded and fixed, the fact that the screw 208 can be driven to drive the clamping seat 3 to integrally slide in the rotating process of a driving cylinder 207 is ensured to realize position adjustment, a sliding groove 301a extending along the length direction of the screw 208 penetrates through one side of the slide bar 301, a sliding block 302 is arranged inside the sliding groove 301a in a sliding manner along the length direction, an adjusting rod 303 is rotatably matched inside the sliding groove 301a, the adjusting rod 303 penetrates through the sliding block 302 and is in threaded fit with the sliding block 302, an adjusting button 303a is fixed at one end penetrating through the slide bar 301, an arc-shaped pressing plate 304 is fixed at one end of the sliding block 302 close to a side frame 7, an accommodating groove 304a is arranged inside the sliding block 302, an auxiliary hole 302a penetrates through the middle of the sliding block 302, a is arranged around the outer side of the mounting disc 201 and is welded and fixed at the outer side of the auxiliary rod 209, and the auxiliary rod 209 a is arranged in the auxiliary bearing 302 for detecting whether a temperature of a probe head used for detecting probe head in the process, and detecting probe head 305, and detecting the auxiliary bearing 302 for detecting the probe head in the process, and detecting the probe head in the detecting process, and detecting the auxiliary bearing 305;

rotating assembly 5 sets up in cylinder 4 flexible end, rotating assembly 5 includes rectangular frame form motor cover 501, this motor cover 501 inside is fixed with motor 502, this motor 502 is the buncher, so that use the rotational speed through the design of motor 502 simulation bearing inner race, motor 502 output wears out motor cover 501 and is close to bearing assembly 2 one side, motor 502 output is fixed with the fixed disk 6 of support bearing inner race, fixed disk 6 is close to bearing assembly 2 one side and is the awl point form top structure, fixed disk 6 is used for the bearing inner race that interference fit awaits measuring, in order to utilize the motor 502 of connecting fixed disk 6 to drive the rotation of bearing inner race and realize the bearing and detect.

By adopting the structure, in the using process, the inner ring of the bearing to be tested is arranged on the outer side of the fixed disc 6 in a penetrating way, so that the interference fit between the fixed disc 6 and the bearing to be tested is ensured, then the rotating assembly 5 is supported by the air cylinder 4 to drive the bearing to be tested to move between the multiple groups of clamping seats 3, then the rotating knob 202a is rotated to drive the rotating shaft 202 to rotate, the fluted disc 203 at the end part of the rotating shaft 202 drives the multiple groups of gears 207a to synchronously rotate, the gears 207a are used for driving the driving cylinder 207 to rotate under the support of the rotating lug 205, the screw thread matching effect of the driving cylinder 207 and the screw 208 is used for driving the screw 208 to drive the clamping seats 3 to integrally slide under the guide limit of the guide plate 206, so that different positions on the outer side of the outer ring of the bearing to be tested are clamped by the different positions of the clamping plates 304a containing grooves on the inner sides of the multiple groups of the clamping seats 3, so as to realize the fixing process of the outer ring of the bearing to be tested; when the position of the single group of pressing plates 304 needs to be adjusted to ensure that the pressing plates 304 keep abutting against the outer ring of the bearing, the adjusting knob 303a is rotated to drive the adjusting rod 303 to rotate, the position of the sliding block 302 in the sliding groove 301a is adjusted by utilizing the thread matching effect of the adjusting rod 303 and the sliding block 302, the sliding block 302 and the pressing plates 304 are supported to slide under the guide of the auxiliary rod 209, and the position adjusting action of the pressing plates 304 on the single group of clamping seats 3 is realized; the motor 502 drives the fixed disc 6 to support the inner ring of the bearing to be tested to rotate, and the temperature probe 305 clamped on the inner side of the upper pressure plate 304 of the outer ring of the bearing is used for detecting the temperature of the bearing so as to judge whether the bearing rotates in the designed service life and has a high-temperature fault problem;

the outer ring supporting action of the bearings with different sizes is rapidly completed by arranging the plurality of groups of clamping seats 3 with synchronously adjustable positions on the mounting disc 201 and synchronously abutting different positions outside the outer ring of the bearing through the plurality of groups of clamping seats 3, so that the mounting disc is suitable for clamping the bearings to be tested with different sizes; and the positions of the press plates 304 of a plurality of groups of clamping seats 3 can be independently adjusted, so that the clamping adaptive effect on bearings with different sizes is further increased.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a high speed bearing life-span experimental apparatus which characterized in that: the supporting device comprises an underframe (1) and supporting components (2), wherein the supporting components (2) are arranged on one side of the top of the underframe (1), a plurality of groups of clamping seats (3) are arranged around the outer side of each supporting component (2), a side frame (7) is vertically fixed on the other side of the underframe (1), a rotating component (5) is arranged above the underframe (1), and a cylinder (4) for supporting the rotating component (5) is arranged on the top of each side frame (7);

bearing subassembly (2) are including mounting disc (201), and this mounting disc (201) middle part is rotated and is provided with pivot (202), pivot (202) rear end fixed has fluted disc (203), the ring is provided with multiunit intercommunication groove (204) on mounting disc (201), and multiunit intercommunication groove (204) the place ahead all is provided with driving cylinder (207), and the multiunit intercommunication groove (204) both sides all are provided with support driving cylinder (207) rotatory rotation ear (205), the driving cylinder (207) outside is fixed with gear (207 a) of meshing fluted disc (203), driving cylinder (207) middle part screw-thread fit has screw rod (208) of fixed connection grip slipper (3), rotate the ear (205) outside be provided with on mounting disc (201) and support grip slipper (3) along guide plate (206) that mounting disc (201) radially slided.

2. The high-speed bearing life experimental device according to claim 1, characterized in that: a knob (202 a) is fixed at the outer end of the rotating shaft (202), and one side of the gear (207 a) close to the fluted disc (203) penetrates out of the communicating groove (204).

3. The high-speed bearing life experimental device according to claim 1, characterized in that: the clamping seat (3) comprises a sliding strip (301) which radially penetrates through the guide plate (206) along the mounting disc (201), the sliding strip (301) is in sliding fit with the guide plate (206), the sliding strip (301) is fixed to the screw rod (208) in a welding mode, and a sliding groove (301 a) which extends along the length direction of the sliding strip (301) penetrates through one side, far away from the screw rod (208).

4. The high-speed bearing life experimental device according to claim 3, characterized in that: a sliding block (302) is arranged inside the sliding groove (301 a) in a sliding mode along the length direction of the sliding groove, an adjusting rod (303) is rotatably matched inside the sliding groove (301 a), and the adjusting rod (303) penetrates through the sliding block (302) and is in threaded fit with the sliding block (302).

5. The high-speed bearing life experimental device according to claim 4, characterized in that: the adjusting rod (303) penetrates out of one end of the sliding strip (301) and is fixedly provided with an adjusting button (303 a), the sliding block (302) is close to one end of the side frame (7) and is fixedly provided with an arc-shaped pressing plate (304), and an accommodating groove (304 a) is formed in the inner side of the pressing plate (304).

6. The high-speed bearing life experimental device according to claim 5, characterized in that: an auxiliary hole (302 a) penetrates through the middle of the sliding block (302), a plurality of groups of auxiliary rods (209) extending along the radial direction of the sliding block are arranged on the outer side of the mounting disc (201) in a surrounding mode, the auxiliary rods (209) penetrate through the auxiliary hole (302 a) and are in clearance fit with the auxiliary hole (302 a), and a temperature measuring probe (305) is arranged in the middle of the inner portion of the accommodating groove (304 a).

7. The high-speed bearing life experimental device according to claim 1, characterized in that: rotating member (5) set up in cylinder (4) flexible end, rotating member (5) include rectangular frame form motor cover (501), and this motor cover (501) inside is fixed with motor (502), motor (502) output is worn out motor cover (501) are close to bearing subassembly (2) one side.

8. The high-speed bearing life experimental device according to claim 7, characterized in that: the output end of the motor (502) is fixed with a fixed disk (6) for supporting a bearing inner ring, and one side of the fixed disk (6) close to the bearing component (2) is of a cone-tip-shaped top structure.