CN114486258A

CN114486258A - Device for detecting reliability of rolling bearing

Info

Publication number: CN114486258A
Application number: CN202111576041.1A
Authority: CN
Inventors: 赵振秀; 耿龙伟; 刘军
Original assignee: Yancheng Institute of Technology
Current assignee: Yancheng Institute of Technology
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-13

Abstract

The invention relates to the technical field of bearing detection, and discloses a device for detecting the reliability of a rolling bearing, which comprises: curb plate and bearing body, the fixed section of thick bamboo of inner wall fixedly connected with of curb plate, the one end integral type of fixed section of thick bamboo is connected with the stationary blade, the inner wall of fixed section of thick bamboo is provided with the screw thread post, first motor is installed to one side of curb plate, the curb plate is close to one side fixedly connected with support frame of first motor, one side fixedly connected with hydraulic cylinder mount that the curb plate is close to the support frame, the initiative pneumatic cylinder is installed to the inner wall of hydraulic cylinder mount, the last surface mounting of hydraulic cylinder mount has slave cylinder. The device for detecting the reliability of the rolling bearing can convert eccentric fluctuation when a bearing body with large error rotates into telescopic motion of the driving rod in the driving hydraulic cylinder, amplify fluctuation displacement by using a hydraulic transmission principle and output the fluctuation displacement from the driven rod, and then draw a fluctuation oscillogram on the surface of writing paper by using a writing pen.

Description

Device for detecting reliability of rolling bearing

Technical Field

The invention relates to the technical field of bearing detection tools, in particular to a device for detecting the reliability of a rolling bearing.

Background

The rolling bearing is a precise mechanical element for reducing friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction, and generally comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with the shaft and rotating together with the shaft, the outer ring is used for being matched with a bearing seat to play a supporting role, the rolling body is uniformly distributed between the inner ring and the outer ring by virtue of the retainer, the shape, the size and the number of the rolling body directly influence the service performance and the service life of the rolling bearing, and the retainer can uniformly distribute the rolling body and guide the rolling body to rotate to play a lubricating role.

In the production process of the rolling bearing, due to the limited precision of the machine, a plurality of bearings with poor roundness or large gaps among parts can be generated at a small probability, the bearings are easy to form eccentric rotation when being installed and used, the bearings are not convenient to be directly screened by naked eyes, and when the bearings flow into the market and are used inside the machine, the abrasion to the machine and the bearings is large, so that the service life of the machine is influenced.

Disclosure of Invention

In view of the deficiencies of the prior art, the present invention provides a device for detecting the reliability of a rolling bearing, which solves the problems mentioned in the background above.

The invention provides the following technical scheme: a device for detecting reliability of a rolling bearing, comprising: the bearing comprises a side plate and a bearing body, wherein a fixed cylinder is fixedly connected to the inner wall of the side plate, a fixed plate is integrally connected to one end of the fixed cylinder, a threaded column is arranged on the inner wall of the fixed cylinder, a first motor is installed on one side of the side plate, a support frame is fixedly connected to one side of the side plate, which is close to the first motor, a hydraulic cylinder fixing frame is fixedly connected to one side of the side plate, a driving hydraulic cylinder is installed on the inner wall of the hydraulic cylinder fixing frame, a driven hydraulic cylinder is installed on the upper surface of the hydraulic cylinder fixing frame, a driving piston is slidably connected to the inner wall of the driving hydraulic cylinder, a driving rod is fixedly connected to one end of the driving piston, a first limiting ring is fixedly connected to the inner wall of the driving hydraulic cylinder, a driven piston is slidably connected to the inner wall of the driven hydraulic cylinder, a driven rod is fixedly connected to one end of the driven piston, and a second limiting ring is fixedly connected to the inner wall of the driven hydraulic cylinder, the utility model discloses a writing pen, including the curb plate, the curb plate is connected with the support frame, the one end fixedly connected with wheel carrier of initiative pole, the wheel carrier is close to the first gag lever post of one side fixedly connected with of initiative pole, install the catheter between initiative pneumatic cylinder and the slave cylinder, the top fixedly connected with connecting block of slave cylinder, one side fixedly connected with connecting cylinder of connecting block, the pen is write to the inner wall of connecting cylinder, the curb plate is close to one side fixedly connected with mounting bracket of support frame, and the quantity of mounting bracket is two, and the inner wall of two mounting brackets rotates respectively and is connected with first winding up roller and second winding up roller, one side sliding connection that the curb plate is close to the support frame has the writing paper.

Preferably, the one end of writing paper is convoluteed at the outer wall of first winding up roller, and the other end of writing paper is convoluteed at the outer wall of second winding up roller, and writes one side that paper kept away from the curb plate and the one end sliding connection who writes the pen, the curb plate is close to one side fixedly connected with motor support of writing paper, and motor support's inner wall installs the second motor, and the output of second motor passes through the one end fixed connection of shaft coupling and second winding up roller.

Preferably, one side integral type of mounting bracket is connected with the reed, and one side fixedly connected with back shaft of reed, and the outer wall of back shaft rotates and is connected with the dancer roll, and the outer wall of dancer roll with write one side roll connection that the curb plate was kept away from to paper.

Preferably, one side fixedly connected with spacing of initiative pneumatic cylinder, the outer wall activity of first gag lever post has cup jointed first spring, and the one end of first spring and one side swing joint of guide pulley frame, and the other end of first spring and one side swing joint of spacing, and the inner wall of guide pulley frame rotates and is connected with the guide pulley, and the outer wall swing joint of outer wall and the bearing body of guide pulley.

Preferably, a screw thread section of thick bamboo is installed to the outer wall of connecting cylinder, and the inner wall of a screw thread section of thick bamboo is provided with the screw thread nail, and the inner wall of a screw thread section of thick bamboo is provided with first internal thread, and the inner wall of screw thread nail is provided with first external screw thread, and the screw thread nail is through first internal thread and first external screw thread and screw thread section of thick bamboo threaded connection, and the one end of screw thread nail and the outer wall swing joint who writes the pen, spacing hole has been seted up in the both ends of connecting block run through, the last fixed surface of hydraulic cylinder mount is connected with the second gag lever post, and the outer wall of second gag lever post and the inner wall sliding connection in spacing hole.

Preferably, one side of support frame integral type respectively is connected with stationary blade and spacing piece, and fixedly connected with third gag lever post between stationary blade and the spacing piece, and the output of first motor passes through shaft coupling fixedly connected with transmission shaft, and the outer wall of transmission shaft rotates and is connected with the support arm, and the outer wall activity of third gag lever post has cup jointed the second spring, and the one end of second spring and the upper surface swing joint of stationary blade, and the other end of second spring and the lower surface swing joint of support arm, and the lower surface of support arm runs through and has seted up the guide hole, and the inner wall in guide hole and the outer wall sliding connection of third gag lever post.

Preferably, the inner wall of the supporting arm is rotatably connected with a transmission column, the outer wall of the transmission column is fixedly connected with a first transmission wheel, the outer wall of the transmission shaft is fixedly connected with a second transmission wheel, a belt is arranged on the outer wall of the first transmission wheel, the second transmission wheel is in transmission connection with the first transmission wheel through the belt, an anti-skidding sleeve is sleeved on the outer wall of the transmission column, and the outer wall of the anti-skidding sleeve is movably connected with the outer wall of the bearing body.

Preferably, the outer wall laminating of stationary blade has the protection to fill up, the inner wall of a fixed section of thick bamboo is provided with the second internal thread, the outer wall of screw thread post is provided with the second external screw thread, and the screw thread post passes through second internal thread and second external screw thread and a fixed section of thick bamboo threaded connection.

Preferably, the two sides of the side plate are provided with a holding hole in a penetrating manner, a base plate is fixedly connected to one side of the side plate, and one side of the base plate, far away from the side plate, is in sliding connection with one side of the writing paper.

Preferably, the outer wall of first spacing ring and the outer wall of second spacing ring all run through and have seted up the ventilation hole, and the inner wall of first spacing ring and the outer wall sliding connection of driving lever, and the inner wall of second spacing ring and the outer wall sliding connection of driven lever, the area of driving piston is greater than driven piston's area, the transmission fluid has all been filled to the inside of driving hydraulic cylinder and driven hydraulic cylinder's inside.

Compared with the prior art, the invention has the following beneficial effects:

1. the device for detecting the reliability of the rolling bearing comprises a driving hydraulic cylinder, a driven hydraulic cylinder, a driving piston, a driving rod, a driven piston, a driven rod, a guide wheel frame, a liquid guide pipe, a connecting block, a connecting cylinder, a writing pen, a first winding roller, a second winding roller, writing paper and a second motor, wherein the driving hydraulic cylinder, the driven hydraulic cylinder, the driving piston, the driving rod, the guide wheel frame, the liquid guide pipe, the connecting block, the connecting cylinder, the writing pen, the first winding roller, the second winding roller, the writing paper and the second motor are arranged, so that eccentric fluctuation of the bearing body with large error in rotation can be converted into telescopic motion of the driving rod in the driving hydraulic cylinder, the fluctuation displacement is amplified by using a hydraulic transmission principle and is output from the driven rod, and then a fluctuation wave form graph is drawn on the surface of the writing paper by using the writing pen.

2. This antifriction bearing reliability detects uses device fills up through the fixed cylinder, stationary blade, screw thread post and the protection that set up, can utilize the stationary blade with the spacing back of bearing body inner ring, through rotating the screw thread post for the screw thread post outwards pushes open the stationary blade when constantly deepening fixed cylinder inside, and the improvement is guaranteed the stationary blade and is fixed to the spacing effect of bearing body inner ring, guarantees that the bearing body is fixed.

3. This device is used in antifriction bearing reliability detection, first motor through setting up, the support frame, the stationary blade, spacing piece, the third gag lever post, the support arm, the second spring, the guide hole, the transmission post, first drive wheel, the secondary drive wheel, belt and antiskid cover, when utilizing the thrust of second spring to the support arm to guarantee bearing body surface eccentric fluctuation, bearing body outer loop surface is hugged closely all the time to antiskid cover, and utilize first motor to provide power, the transmission post, first drive wheel, the secondary drive wheel, belt and antiskid cover utilize the surperficial frictional force of antiskid cover to drive bearing body outer loop to rotate as the transmission, thereby be convenient for measure the undulant range of bearing body when rotatory.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the position of the support arm according to the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing cylinder according to the present invention;

FIG. 4 is a schematic view of a connection structure of the writing paper of the present invention;

FIG. 5 is a schematic view of the connection structure of the active hydraulic cylinder of the present invention;

FIG. 6 is a schematic view of the explosive structure of the active hydraulic cylinder according to the present invention;

fig. 7 is a schematic view of the structure of the position of the backing plate of the present invention.

In the figure: 1. a side plate; 2. a bearing body; 3. a fixed cylinder; 4. a fixing sheet; 5. a threaded post; 6. a first motor; 7. a support frame; 8. a hydraulic cylinder fixing frame; 9. an active hydraulic cylinder; 10. a slave hydraulic cylinder; 11. an active piston; 12. a driving lever; 13. a first limit ring; 14. a slave piston; 15. a driven lever; 16. a second stop collar; 17. a guide wheel frame; 18. a first limit rod; 19. a catheter; 20. connecting blocks; 21. a connecting cylinder; 22. a writing pen; 23. a mounting frame; 24. a first winding roller; 25. a second winding roller; 26. writing paper; 27. a motor bracket; 28. a second motor; 29. a reed; 30. a platen roller; 31. a limiting frame; 32. a first spring; 33. a guide wheel; 34. a threaded nail; 35. a second limiting rod; 36. a fixing sheet; 37. a limiting sheet; 38. a third limiting rod; 39. a support arm; 40. a second spring; 41. a pilot hole; 42. a drive post; 43. a first drive pulley; 44. a second transmission wheel; 45. a belt; 46. an anti-slip sleeve; 47. a protective pad; 48. a grip aperture; 49. a backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an apparatus for detecting reliability of a rolling bearing includes: a side plate 1 and a bearing body 2, wherein the inner wall of the side plate 1 is fixedly connected with a fixed cylinder 3, one end of the fixed cylinder 3 is integrally connected with a fixed plate 4, the inner wall of the fixed cylinder 3 is provided with a threaded column 5, one side of the side plate 1 is provided with a first motor 6, one side of the side plate 1 close to the first motor 6 is fixedly connected with a support frame 7, one side of the side plate 1 close to the support frame 7 is fixedly connected with a hydraulic cylinder fixing frame 8, the inner wall of the hydraulic cylinder fixing frame 8 is provided with a driving hydraulic cylinder 9, the upper surface of the hydraulic cylinder fixing frame 8 is provided with a driven hydraulic cylinder 10, the inner wall of the driving hydraulic cylinder 9 is slidably connected with a driving piston 1, one end of a driving piston 11 is fixedly connected with a driving rod 12, the inner wall of the driving hydraulic cylinder 9 is fixedly connected with a first limit ring 13, the inner wall of the driven hydraulic cylinder 10 is slidably connected with a driven piston 14, and one end of the driven rod 15 is fixedly connected with the driven piston 14, a second limiting ring 16 is fixedly connected to the inner wall of the driven hydraulic cylinder 10, a guide wheel frame 17 is fixedly connected to one end of the driving rod 12, a first limiting rod 18 is fixedly connected to one side of the guide wheel frame 17 close to the driving rod 12 so as to avoid deflection of the guide wheel frame 17, a liquid guide tube 19 is installed between the driving hydraulic cylinder 9 and the driven hydraulic cylinder 10 so as to communicate the driving hydraulic cylinder 9 with the driven hydraulic cylinder 10, a connecting block 20 is fixedly connected to the top of the driven rod 15, a connecting cylinder 21 is fixedly connected to one side of the connecting block 20, a writing pen 22 is installed on the inner wall of the connecting cylinder 21, mounting frames 23 are fixedly connected to one side of the side plate 1 close to the supporting frame 7, the number of the mounting frames 23 is two, a first winding roller 24 and a second winding roller 25 are respectively and rotatably connected to the inner walls of the two mounting frames 23, notches are arranged on the outer walls of the mounting frames 23 so as to facilitate the disassembly and assembly of the first winding roller 24 and the second winding roller 25, the first roller 24 and the second roller 25 are movably clamped inside the mounting frame 23 during mounting, and one side of the side plate 1 close to the support frame 7 is slidably connected with writing paper 26.

Wherein; one end of writing paper 26 is wound on the outer wall of the first winding roller 24, the other end of the writing paper 26 is wound on the outer wall of the second winding roller 25, one side of the writing paper 26 far away from the side plate 1 is connected with one end of the writing pen 22 in a sliding manner, one side of the side plate 1 close to the writing paper 26 is fixedly connected with a motor bracket 27, a second motor 28 is installed on the inner wall of the motor bracket 27, the output end of the second motor 28 is fixedly connected with one end of the second winding roller 25 through a coupler, and eccentric fluctuation generated when the bearing body 2 with large error rotates can be converted into telescopic motion of the driving rod 12 in the driving hydraulic cylinder 9 through the arranged driving hydraulic cylinder 9, the driven hydraulic cylinder 10, the driving piston 11, the driving rod 12, the driven piston 14, the driven rod 15, the wheel carrier 17, the liquid guide pipe 19, the connecting block 20, the connecting cylinder 21, the writing pen 22, the first winding roller 24, the second winding roller 25, the writing paper 26 and the second motor 28, the wave displacement is amplified by the hydraulic transmission principle and outputted from the driven rod 15, and then a wave waveform chart is drawn on the surface of the writing paper 26 by the writing pen 22.

Wherein; one side integral type of mounting bracket 23 is connected with reed 29, and one side fixedly connected with back shaft of reed 29, and the outer wall of back shaft rotates and is connected with dancer roll 30, and the outer wall of dancer roll 30 and the one side roll connection of writing paper 26 keeping away from curb plate 1, through the reed 29 that sets up, the elasticity that is convenient for utilize reed 29 drives dancer roll 30 and extrudes writing paper 26, has guaranteed that writing paper 26 is flat and spread.

Wherein; one side fixedly connected with spacing 31 of initiative pneumatic cylinder 9, first spring 32 has been cup jointed in the outer wall activity of first gag lever post 18, and one side swing joint of one end and guide pulley frame 17 of first spring 32, and the other end of first spring 32 and one side swing joint of spacing 31, and the inner wall of guide pulley frame 17 rotates and is connected with guide pulley 33, and the outer wall of guide pulley 33 and the outer wall swing joint of bearing body 2, through the guide pulley 33 that sets up, so that reduce the frictional resistance between guide pulley frame 17 and the bearing body 2.

Wherein; a screw thread section of thick bamboo is installed to the outer wall of connecting cylinder 21, and the inner wall of a screw thread section of thick bamboo is provided with screw thread nail 34, and the inner wall of a screw thread section of thick bamboo is provided with first internal thread, and screw thread nail 34 is through first internal thread and first external thread and screw thread section of thick bamboo threaded connection, and the one end of screw thread nail 34 and the outer wall swing joint of writing pen 22, spacing hole has been seted up in running through at the both ends of connecting block 20, the last fixed surface of hydraulic cylinder mount 8 is connected with second gag lever post 35, and the outer wall of second gag lever post 35 and the inner wall sliding connection in spacing hole, through the second gag lever post 35 that sets up, so that avoid writing pen 22 skew, guaranteed that writing pen 22 stably writes.

Wherein; one side of the support frame 7 is respectively integrally connected with a fixing piece 36 and a limiting piece 37, a third limiting rod 38 is fixedly connected between the fixing piece 36 and the limiting piece 37, the output end of the first motor 6 is fixedly connected with a transmission shaft through a coupler, the outer wall of the transmission shaft is rotatably connected with a support arm 39, the outer wall of the third limiting rod 38 is movably sleeved with a second spring 40, one end of the second spring 40 is movably connected with the upper surface of the fixing piece 36, the other end of the second spring 40 is movably connected with the lower surface of the support arm 39, a guide hole 41 is formed in the lower surface of the support arm 39 in a penetrating mode, the inner wall of the guide hole 41 is slidably connected with the outer wall of the third limiting rod 38, and the first motor 6, the support frame 7, the fixing piece 36, the limiting piece 37, the third limiting rod 38, the support arm 39, the second spring 40, the guide hole 41, a transmission column 42 and a first transmission wheel 43 are arranged, The second transmission wheel 44, the belt 45 and the anti-slip sleeve 46 utilize the thrust of the second spring 40 to the supporting arm 39 to ensure that the anti-slip sleeve 46 is always tightly attached to the outer ring surface of the bearing body 2 when the surface of the bearing body 2 eccentrically fluctuates, the first motor 6 is utilized to provide power, the transmission column 42, the first transmission wheel 43, the second transmission wheel 44, the belt 45 and the anti-slip sleeve 46 are used for transmission, and the friction force on the surface of the anti-slip sleeve 46 is utilized to drive the outer ring of the bearing body 2 to rotate, so that the fluctuation range of the bearing body 2 during rotation can be conveniently measured.

Wherein; the inner wall of the supporting arm 39 is rotatably connected with a transmission column 42, the outer wall of the transmission column 42 is fixedly connected with a first transmission wheel 43, the outer wall of the transmission shaft is fixedly connected with a second transmission wheel 44, the outer wall of the first transmission wheel 43 is provided with a belt 45, the second transmission wheel 44 is in transmission connection with the first transmission wheel 43 through the belt 45, the outer wall of the transmission column 42 is sleeved with an anti-skidding sleeve 46, and the outer wall of the anti-skidding sleeve 46 is movably connected with the outer wall of the bearing body 2 so as to transmit power.

Wherein; the outer wall laminating of stationary blade 4 has protection pad 47, the inner wall of solid fixed cylinder 3 is provided with the second internal thread, the outer wall of screw thread post 5 is provided with the second external screw thread, and screw thread post 5 passes through the second internal thread and the threaded connection of second external screw thread and solid fixed cylinder 3, through the solid fixed cylinder 3 that sets up, stationary blade 4, screw thread post 5 and protection pad 47, can utilize stationary blade 4 with 2 inner rings of bearing body spacing backs, through rotating screw thread post 5, make screw thread post 5 outwards push open stationary blade 4 when constantly deepening solid fixed cylinder 3 inside, improve and guarantee the spacing effect of stationary blade 4 to 2 inner rings of bearing body, it is fixed to guarantee bearing body 2.

Wherein; the both sides of curb plate 1 are run through and are seted up and hold hole 48, and one side fixedly connected with backing plate 49 of curb plate 1, and one side sliding connection of one side that the backing plate 49 kept away from curb plate 1 and writing paper 26 to utilize and hold hole 48 and provide the stress point transport, supplementary pen 22 drawing through backing plate 49, improve the oscillogram and draw the quality.

Wherein; the outer wall of first spacing ring 13 and the outer wall of second spacing ring 16 all run through and have seted up the ventilation hole, and the inner wall of first spacing ring 13 and the outer wall sliding connection of driving rod 12, and the inner wall of second spacing ring 16 and the outer wall sliding connection of driven rod 15, the area of driving piston 11 is greater than driven piston 14's area, the transmission fluid has all been filled to the inside of driving pneumatic cylinder 9 and driven hydraulic cylinder 10's inside, because the volume of liquid column equals the basal area and multiplies highly, and at the bottom of the compression ratio of liquid, when promoting the liquid of same volume when the transmission, the inside liquid level of the space that the basal area is big rises the range and is little, the inside liquid level of the space that the basal area is little rises the range and is big.

The working principle is that when in use, the supporting arm 39 and the wheel guide frame 17 are unfolded, the bearing body 2 is buckled into the fixing piece 4, then the supporting arm 39 and the wheel guide frame 17 are loosened, the second spring 40 and the first spring 32 respectively push the supporting arm 39 and the wheel guide frame 17 to reset, the anti-skidding sleeve 46 and the wheel guide 33 are both attached to the outer ring of the bearing body 2, the threaded column 5 is twisted, the threaded column 5 is enabled to push the fixing piece 4 outwards when continuously penetrating into the fixed cylinder 3, the fixing effect of the fixing piece 4 on the bearing body 2 is improved, then the pen point of the writing pen 22 is attached to the surface of the writing paper 26, the second motor 28 and the first motor 6 are started, the first motor 6 drives the transmission shaft to rotate, the transmission shaft drives the second transmission wheel 44 to rotate when rotating, the second transmission wheel 44 drives the second transmission wheel 44 to rotate through the belt 45, the transmission column 42 rotates when the second transmission wheel 44 rotates, the transmission column 42 drives the outer ring of the bearing body 2 to rotate by using the friction of the outer wall of the anti-skidding sleeve 46 when rotating, if the roundness of the bearing body 2 is not high or the gap between the parts is large, the outer ring can generate large vibration fluctuation when the bearing body 2 rotates, the resultant force of the thrust generated by the vibration fluctuation and the elastic force of the first spring 32 can push the guide wheel 33 and the guide wheel frame 17, so that the driving rod 12 can do small-distance telescopic reciprocating motion, so that the driving piston 11 can do small-distance telescopic reciprocating motion inside the driving hydraulic cylinder 9, the driving piston 11 can drive the transmission fluid to move when moving, because the area of the driving piston 11 is larger than that of the driven piston 14, the driving hydraulic cylinder 9 is communicated with the inside of the driven hydraulic cylinder 10 through the liquid guide pipe 19, when the driving piston 11 does small-distance telescopic reciprocating motion, the driven piston 14 can do large-distance telescopic reciprocating motion inside the driven hydraulic cylinder 10 due to the transmission of the transmission fluid, so as to amplify the external display amplitude when the bearing body 2 fluctuates, driven piston 14 can drive driven lever 15 synchronous motion when doing the flexible reciprocating motion of great distance in slave cylinder 10 inside, driven lever 15 drives connecting block 20 and connecting cylinder 21 synchronous motion, connecting cylinder 21 can drive pen 22 and write paper 26 surface up-and-down motion, second motor 28 drives second winding up roller 25 simultaneously and rotates, utilize second winding up roller 25 to drive writing paper 26 rolling, make writing paper 26 relative writing pen 22 lateral motion, and then make writing pen 22 draw rough vibrations oscillogram on writing paper 26 surface, whether so that detect bearing body 2's quality directly perceivedly is within the precision range.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A device for detecting reliability of a rolling bearing, comprising: the bearing comprises a side plate (1) and a bearing body (2), wherein the inner wall of the side plate (1) is fixedly connected with a fixed cylinder (3), one end of the fixed cylinder (3) is integrally connected with a fixed sheet (4), the inner wall of the fixed cylinder (3) is provided with a threaded column (5), one side of the side plate (1) is provided with a first motor (6), one side of the side plate (1) close to the first motor (6) is fixedly connected with a support frame (7), one side of the side plate (1) close to the support frame (7) is fixedly connected with a hydraulic cylinder fixing frame (8), the inner wall of the hydraulic cylinder fixing frame (8) is provided with a driving hydraulic cylinder (9), the upper surface of the hydraulic cylinder fixing frame (8) is provided with a driven hydraulic cylinder (10), the inner wall of the driving hydraulic cylinder (9) is slidably connected with a driving piston (11), one end of the driving piston (11) is fixedly connected with a driving rod (12), the inner wall of the driving hydraulic cylinder (9) is fixedly connected with a first limiting ring (13), the inner wall of the driven hydraulic cylinder (10) is connected with a driven piston (14) in a sliding manner, one end of the driven piston (14) is fixedly connected with a driven rod (15), the inner wall of the driven hydraulic cylinder (10) is fixedly connected with a second limiting ring (16), one end of the driving rod (12) is fixedly connected with a guide wheel frame (17), one side, close to the driving rod (12), of the guide wheel frame (17) is fixedly connected with a first limiting rod (18), a liquid guide pipe (19) is installed between the driving hydraulic cylinder (9) and the driven hydraulic cylinder (10), the top of the driven rod (15) is fixedly connected with a connecting block (20), one side of the connecting block (20) is fixedly connected with a connecting cylinder (21), and a writing pen (22) is installed on the inner wall of the connecting cylinder (21), curb plate (1) is close to one side fixedly connected with mounting bracket (23) of support frame (7), and the quantity of mounting bracket (23) is two, and the inner wall of two mounting brackets (23) rotates respectively and is connected with first winding up roller (24) and second winding up roller (25), one side sliding connection that curb plate (1) is close to support frame (7) has writing paper (26).

2. The rolling bearing reliability detection device according to claim 1, wherein one end of the writing paper (26) is wound on the outer wall of the first winding roller (24), the other end of the writing paper (26) is wound on the outer wall of the second winding roller (25), one side of the writing paper (26) far away from the side plate (1) is slidably connected with one end of the writing pen (22), one side of the side plate (1) close to the writing paper (26) is fixedly connected with a motor support (27), a second motor (28) is installed on the inner wall of the motor support (27), and the output end of the second motor (28) is fixedly connected with one end of the second winding roller (25) through a coupler.

3. The rolling bearing reliability detection device according to claim 1, wherein one side of the mounting rack (23) is integrally connected with a spring plate (29), one side of the spring plate (29) is fixedly connected with a supporting shaft, the outer wall of the supporting shaft is rotatably connected with a paper pressing roller (30), and the outer wall of the paper pressing roller (30) is in rolling connection with one side of the writing paper (26) far away from the side plate (1).

4. The device for detecting the reliability of the rolling bearing is characterized in that a limiting frame (31) is fixedly connected to one side of the driving hydraulic cylinder (9), a first spring (32) is movably sleeved on the outer wall of the first limiting rod (18), one end of the first spring (32) is movably connected to one side of the guide wheel frame (17), the other end of the first spring (32) is movably connected to one side of the limiting frame (31), a guide wheel (33) is rotatably connected to the inner wall of the guide wheel frame (17), and the outer wall of the guide wheel (33) is movably connected to the outer wall of the bearing body (2).

5. The device for detecting the reliability of the rolling bearing is characterized in that a threaded cylinder is mounted on the outer wall of the connecting cylinder (21), a threaded nail (34) is arranged on the inner wall of the threaded cylinder, a first internal thread is arranged on the inner wall of the threaded cylinder, a first external thread is arranged on the inner wall of the threaded nail (34), the threaded nail (34) is in threaded connection with the threaded cylinder through the first internal thread and the first external thread, one end of the threaded nail (34) is movably connected with the outer wall of the writing pen (22), limiting holes are formed in two ends of the connecting block (20) in a penetrating mode, a second limiting rod (35) is fixedly connected to the upper surface of the hydraulic cylinder fixing frame (8), and the outer wall of the second limiting rod (35) is in sliding connection with the inner wall of the limiting holes.

6. The device for testing the reliability of a rolling bearing according to claim 1, one side of the supporting frame (7) is respectively connected with a fixing piece (36) and a limiting piece (37) in an integrated manner, a third limiting rod (38) is fixedly connected between the fixing piece (36) and the limiting piece (37), the output end of the first motor (6) is fixedly connected with a transmission shaft through a coupler, the outer wall of the transmission shaft is rotatably connected with a supporting arm (39), and the outer wall of the third limiting rod (38) is movably sleeved with a second spring (40), one end of the second spring (40) is movably connected with the upper surface of the fixed plate (36), and the other end of the second spring (40) is movably connected with the lower surface of the supporting arm (39), and the lower surface of the supporting arm (39) is provided with a guide hole (41) in a penetrating way, and the inner wall of the guide hole (41) is connected with the outer wall of the third limiting rod (38) in a sliding way.

7. The device for detecting the reliability of the rolling bearing according to claim 6, wherein the inner wall of the supporting arm (39) is rotatably connected with a transmission column (42), the outer wall of the transmission column (42) is fixedly connected with a first transmission wheel (43), the outer wall of the transmission shaft is fixedly connected with a second transmission wheel (44), the outer wall of the first transmission wheel (43) is provided with a belt (45), the second transmission wheel (44) is in transmission connection with the first transmission wheel (43) through the belt (45), the outer wall of the transmission column (42) is sleeved with an anti-skidding sleeve (46), and the outer wall of the anti-skidding sleeve (46) is movably connected with the outer wall of the bearing body (2).

8. The device for detecting the reliability of the rolling bearing is characterized in that a protective pad (47) is attached to the outer wall of the fixing piece (4), a second internal thread is arranged on the inner wall of the fixing cylinder (3), a second external thread is arranged on the outer wall of the threaded column (5), and the threaded column (5) is in threaded connection with the fixing cylinder (3) through the second internal thread and the second external thread.

9. The rolling bearing reliability detection device according to claim 1, wherein a holding hole (48) is formed through two sides of the side plate (1), a backing plate (49) is fixedly connected to one side of the side plate (1), and one side of the backing plate (49) far away from the side plate (1) is slidably connected to one side of the writing paper (26).

10. The device for detecting the reliability of the rolling bearing is characterized in that vent holes are formed in the outer wall of the first limiting ring (13) and the outer wall of the second limiting ring (16) in a penetrating mode, the inner wall of the first limiting ring (13) is connected with the outer wall of the driving rod (12) in a sliding mode, the inner wall of the second limiting ring (16) is connected with the outer wall of the driven rod (15) in a sliding mode, the area of the driving piston (11) is larger than that of the driven piston (14), and transmission fluid is filled in the driving hydraulic cylinder (9) and the driven hydraulic cylinder (10).