CN114646286B - Bearing clearance detection method and device for axle - Google Patents
Bearing clearance detection method and device for axle Download PDFInfo
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- CN114646286B CN114646286B CN202210559236.3A CN202210559236A CN114646286B CN 114646286 B CN114646286 B CN 114646286B CN 202210559236 A CN202210559236 A CN 202210559236A CN 114646286 B CN114646286 B CN 114646286B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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Abstract
The invention relates to the technical field of axle bearing detection, in particular to an axle bearing clearance detection method and equipment, which comprises a bottom plate, a bearing to be detected, a support box, a speed reduction motor, a rotating shaft, a sleeve, a baffle ring, a plurality of springs and a displacement sensor, wherein the input end of the displacement sensor is connected with the bottom end of the baffle ring, the right part of the top end of the bottom plate is provided with a clamping device, the clamping device comprises a positioning box, a first expansion piece, a rotating plate and an extending plate, the right end of each extending plate is provided with a second expansion piece, the output shaft of the first expansion piece drives a push ring to move leftwards, the second expansion piece drives the push ring to move leftwards, the push ring drives the outer ring of the bearing to be detected to move leftwards, the baffle ring drives the input end of the displacement sensor to move, the moving distance is detected through the displacement sensor, and the detection effect is further realized. The invention has the effects of simulating the working environment, improving the detection precision, having lower cost and lighter weight and being beneficial to moving the whole position.
Description
Technical Field
The invention relates to the technical field of axle bearing detection, in particular to an axle bearing clearance detection method and equipment.
Background
The axle is the common fixing device who supports the front portion and the rear portion of vehicle, connect automobile body and wheel, before the installation, if bigger play of the bearing on the axle can influence the stability of axle, when the bearing on the axle is used, because receive vibrations, the bearing of junction can produce the skew, and then causes the play of bearing great, bearing play is when detecting, partly adopt to detect the displacement distance of inner ring after fixing the outer loop, or use the inner ring to fix and then reduce the displacement distance's of outer loop mode, but in order to improve the precision, with one of inner ring or outer loop rotation, and detect another part's mode and lose to a fine mode, and current detection device mostly is the form that the structure is heavier, the part structure is more, and the cost is higher, and be unfavorable for removing holistic position.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bearing clearance detection method and detection equipment for an axle, which have the effects of simulating a working environment, improving the detection precision, being lower in cost and lighter in weight and being beneficial to moving the whole position.
In order to achieve the purpose, the invention provides the following technical scheme: a detection device for bearing play for an axle comprises a bottom plate and a bearing to be detected, wherein the left part of the top end of the bottom plate is connected with a support box, the inner wall of the support box is provided with a speed reduction motor, an output shaft of the speed reduction motor is connected with a rotating shaft, the right end of the support box is connected with a sleeve, the rotating shaft penetrates through the sleeve, the bearing to be detected is sleeved on the rotating shaft, the outer wall of the sleeve is sleeved with a baffle ring, the left end of the baffle ring is connected with a plurality of springs, the left end of each spring is connected with the right end of the support box, the right end of the baffle ring is contacted with the left end of the outer ring of the bearing to be detected, and the right end of the rotating shaft is contacted with the left end of the inner ring of the bearing to be detected;
the top mid-mounting of bottom plate has displacement sensor, displacement sensor's input and the bottom of fender ring are connected, the top right part of bottom plate is provided with clamping device, clamping device is including the location case, the bottom of location case and the top of bottom plate are connected, first expansion bend is installed on the top of location case, the output shaft of first expansion bend has the rotor plate, the top and the bottom of rotor plate all are connected with the extension board, the second expansion bend is all installed to the right-hand member of each extension board, the left side of extension board is provided with the throw-out collar, the right-hand member of throw-out collar and the output shaft of each second expansion bend, the rotation of the middle part of rotor plate is connected with the clamp plate.
Preferably, the left end middle part of rotor plate has the location box through the screw connection, and the inside of location box is provided with the cavity, and the inside of location box is provided with the location bearing, and spacing axle is worn to be equipped with in the inside of the mounting hole of location bearing, the right-hand member fixedly connected with flange of spacing axle, the left end of spacing axle and the right-hand member fixed connection of clamp plate.
Preferably, the left part of the limiting shaft is connected with a nut through threads, and the right end of the nut is in contact with the left end of the inner ring of the positioning bearing.
Preferably, the middle part of the left end of the pressing plate is fixedly connected with a transmission shaft, the transmission shaft is prism-shaped, and the right end of the rotating shaft is provided with a prism hole corresponding to the transmission shaft.
Preferably, first expansion bend and second expansion bend are electric putter, and the inside of locating box is provided with the power, and first expansion bend, second expansion bend, displacement sensor and gear motor all are connected with the power electricity.
Preferably, the bottom plate, the support box and the rotating shaft are all made of POM materials.
The invention also provides a method for detecting the bearing play for the axle, which comprises the following steps:
withdraw the back with the output shaft of first expansion bend, the bearing that will detect is installed in the pivot, gear motor drives the pivot and the inner ring rotation of the bearing that needs to detect, and then the analog operation time, the motion form of bearing, elasticity through the spring, and then the outer loop that drives the bearing that keeps off ring and need to detect is in right side limit edge, later drive the clamp plate through the output shaft of first expansion bend, clamp plate and extension board move left, treat the clamp plate and need the inner ring contact back of the bearing that detects, make the output shaft of second expansion bend stretch out, the second expansion bend drives and pushes away the ring and move left, it moves left to push away the outer loop that the ring drives the bearing that needs to detect, it moves to keep off the input that the ring drove displacement sensor, detect displacement distance through displacement sensor.
Compared with the prior art, the invention provides a bearing clearance detection method and detection equipment for an axle, which have the following beneficial effects:
the bearing clearance detection method and the detection device for the axle drive the rotating shaft and the inner ring of the bearing to be detected to rotate through the speed reduction motor, further simulate the motion form of the bearing during working, further drive the baffle ring and the outer ring of the bearing to be detected to be positioned at the right limit edge through the elasticity of the spring, then drive the pressing plate, the rotating plate and the extending plate to move leftwards through the output shaft of the first expansion piece, after the pressing plate is contacted with the inner ring of the bearing to be detected, the output shaft of the second expansion piece extends out, the second expansion piece drives the push ring to move leftwards, the push ring drives the outer ring of the bearing to be detected to move leftwards, the baffle ring drives the input end of the displacement sensor to move, detect the moving distance through the displacement sensor, further realize the detection effect, simplify the whole structure and reduce the weight, achieve the simulated working environment and improve the detection precision, the cost is lower, and weight is lighter, is favorable to moving the effect of holistic position.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
fig. 3 is a left side view schematically illustrating the structure of the pivotal plate, the extension plate and the second retractor.
The symbols in the figures indicate:
1. a base plate; 2. a support box; 3. a reduction motor; 4. a rotating shaft; 5. a sleeve; 6. a baffle ring; 7. a spring; 8. a bearing to be tested; 9. a displacement sensor; 10. a positioning box; 11. a first retractor; 12. a rotating plate; 13. an extension plate; 14. a second retractor; 15. a push ring; 16. a positioning box; 17. a limiting shaft; 18. a convex plate; 19. positioning the bearing; 20. a nut; 21. pressing a plate; 22. a drive shaft; 23. a power source.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Example 1:
referring to fig. 1-3, the invention provides a bearing play detection device for an axle, which comprises a bottom plate 1 and a bearing 8 to be detected, wherein the left part of the top end of the bottom plate 1 is fixedly connected with a support box 2, a speed reduction motor 3 is installed on the inner wall of the support box 2, and an output shaft of the speed reduction motor 3 is fixedly connected with a rotating shaft 4; the right end fixedly connected with sleeve pipe 5 of supporting box 2, pivot 4 pass sleeve pipe 5, and the bearing 8 suit that needs to detect is on pivot 4.
The outer wall cover of sleeve 5 is equipped with and keeps off ring 6, keeps off the left end fixedly connected with a plurality of springs 7 of ring 6, and the left end of each spring 7 and the right-hand member fixed connection of supporting box 2 keep off the left end contact of the right-hand member of ring 6 and the left end of the outer loop of the bearing 8 that needs to detect, the right-hand member of pivot 4 and the left end contact of the inner ring of the bearing 8 that needs to detect.
A displacement sensor 9 is installed in the middle of the top end of the bottom plate 1, the input end of the displacement sensor 9 is fixedly connected with the bottom end of the baffle ring 6, a clamping device is arranged on the right portion of the top end of the bottom plate 1 and comprises a positioning box 10, the bottom end of the positioning box 10 is fixedly connected with the top end of the bottom plate 1, a first expansion piece 11 is installed on the top end of the positioning box 10, and an output shaft of the first expansion piece 11 is fixedly connected with a rotating plate 12; the top and the bottom of rotor plate 12 all fixedly connected with extend board 13, and the right-hand member of each extend board 13 all installs second expansion bend 14, and the left side of extend board 13 is provided with push ring 15, and the right-hand member of push ring 15 and the output shaft fixed connection of each second expansion bend 14.
The middle part of the rotating plate 12 is rotatably connected with a pressing plate 21, the middle part of the left end of the rotating plate 12 is connected with a positioning box 16 through a screw, and a cavity is arranged inside the positioning box 16; the inside of location box 16 is provided with location bearing 19, spacing axle 17 is worn to be equipped with in the inside of location bearing 19's mounting hole, the right-hand member fixedly connected with flange 18 of spacing axle 17, the left end of spacing axle 17 and the right-hand member fixed connection of clamp plate 21, the position of spacing axle 17 and clamp plate 21 is restricted through location box 16, through flange 18, cooperate between spacing axle 17 and the clamp plate 21, and then effectively realize normal running fit's form between spacing axle 17 and the rotor plate 12.
Furthermore, the left part of the limiting shaft 17 is connected with a nut 20 through threads, the right end of the nut 20 is in contact with the left end of the inner ring of the positioning bearing 19, the nut 20 is connected with the limiting shaft 17 through the threads, and the nut 20, the limiting shaft 17 and the convex plate 18 are matched with each other, so that the connection stability between the positioning bearing 19 and the limiting shaft 17 is improved.
The rotating shaft 4 and the inner ring of the bearing 8 to be detected are driven to rotate by the speed reducing motor 3, the motion form of the bearing during working is simulated, the baffle ring 6 and the outer ring of the bearing 8 to be detected are driven to be positioned at the right limit edge by the elasticity of the spring 7, then the press plate, the rotating plate and the extending plate are driven to move leftwards by the output shaft of the first expansion piece, after the press plate is contacted with the inner ring of the bearing to be detected, the output shaft of the second expansion piece is extended, the second expansion piece drives the push ring to move leftwards, the push ring 15 drives the outer ring of the bearing 8 to be detected to move leftwards, the baffle ring 6 drives the input end of the displacement sensor 9 to move, the moving distance is detected by the displacement sensor 9, the detection effect is realized, the integral structure is simplified and the weight is lighter, the simulated working environment is achieved, the detection precision is improved, the cost is lower, and the weight is lighter, the effect of moving the whole position is facilitated.
Furthermore, the first expansion piece 11 and the second expansion piece 14 are electric push rods, a power supply 23 is arranged inside the positioning box 10, and the first expansion piece 11, the second expansion piece 14, the displacement sensor 9 and the speed reduction motor 3 are all electrically connected with the power supply 23; use electric drive through electric putter, power 23 provides the electric quantity of equipment, and then the holistic removal of being convenient for, and bottom plate 1, supporting box 2 and pivot 4 are the POM material, and the material through POM supports intensity better to insulating effect is better, influences displacement sensor 9's the condition after reducing the electric leakage.
Example 2:
compared with example 1, the following different characteristics are provided:
the left end middle part fixedly connected with transmission shaft 22 of clamp plate 21, transmission shaft 22 are the prism form, and the right-hand member of pivot 4 is provided with the prism hole corresponding with transmission shaft 22, through the transmission shaft 22 of prism form, and then drives clamp plate 21 and rotate when making pivot 4 pivoted, and then reduces the different frictional condition that produces of speed between clamp plate 21 and the inner ring of the bearing 8 that needs to detect, and then reduces the wearing and tearing of the bearing 8 that needs to detect.
The invention also provides a method for detecting the bearing play for the axle, which comprises the following steps:
withdraw the back with the output shaft of first expansion bend 11, install the bearing 8 that will detect on pivot 4, gear motor 3 drives pivot 4 and the inner ring rotation of the bearing 8 that will detect, and then the simulation during operation, the motion form of bearing, through the elasticity of spring 7, and then the outer loop that drives fender ring 6 and the bearing 8 that will detect is in right side limit edge, later drive clamp plate 21 through the output shaft of first expansion bend 11, rotating plate 12 and extension plate 13 move left, treat the clamp plate 21 and need the inner ring contact back of the bearing 8 that detects, make the output shaft of second expansion bend 14 stretch out, second expansion bend 14 drives push ring 15 and moves left, push ring 15 drives the outer loop that needs the bearing 8 that detects and moves left, keep off the input that ring 6 drives displacement sensor 9 and move, detect the displacement through displacement sensor 9.
In the description of the present invention, it is to be understood that the orientations or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a detection equipment of bearing play for axle, includes bottom plate (1) and bearing (8) that need detect, its characterized in that: the detection device is characterized in that a supporting box (2) is connected to the left portion of the top end of the bottom plate (1), a speed reduction motor (3) is installed on the inner wall of the supporting box (2), an output shaft of the speed reduction motor (3) is connected with a rotating shaft (4), the right end of the supporting box (2) is connected with a sleeve (5), the rotating shaft (4) penetrates through the sleeve (5), a bearing (8) to be detected is sleeved on the rotating shaft (4), a blocking ring (6) is sleeved on the outer wall of the sleeve (5), the left end of the blocking ring (6) is connected with a plurality of springs (7), the left end of each spring (7) is connected with the right end of the supporting box (2), the right end of the blocking ring (6) is in contact with the left end of the outer ring of the bearing (8) to be detected, and the right end of the rotating shaft (4) is in contact with the left end of the inner ring of the bearing (8) to be detected;
a displacement sensor (9) is installed in the middle of the top end of the bottom plate (1), the input end of the displacement sensor (9) is connected with the bottom end of the baffle ring (6), a clamping device is arranged on the right portion of the top end of the bottom plate (1), the clamping device comprises a positioning box (10), the bottom end of the positioning box (10) is connected with the top end of the bottom plate (1), a first expansion piece (11) is installed on the top end of the positioning box (10), an output shaft of the first expansion piece (11) is connected with a rotating plate (12), the top end and the bottom end of the rotating plate (12) are both connected with extension plates (13), a second expansion piece (14) is installed on the right end of each extension plate (13), a push ring (15) is arranged on the left side of each extension plate (13), and the right end of each push ring (15) is connected with an output shaft of each second expansion piece (14), the middle part of the rotating plate (12) is rotatably connected with a pressing plate (21).
2. The apparatus for detecting a bearing play for an axle according to claim 1, characterized in that: the left end middle part of rotor plate (12) has location box (16) through the screw connection, the inside of location box (16) is provided with the cavity, the inside of location box (16) is provided with location bearing (19), spacing axle (17) are worn to be equipped with in the inside of the mounting hole of location bearing (19), the right-hand member fixedly connected with flange (18) of spacing axle (17), the left end of spacing axle (17) with the right-hand member fixed connection of clamp plate (21).
3. The apparatus for detecting a bearing play for an axle according to claim 2, characterized in that: the left part of the limiting shaft (17) is connected with a nut (20) through threads, and the right end of the nut (20) is in contact with the left end of the inner ring of the positioning bearing (19).
4. The apparatus for detecting bearing play for an axle according to claim 3, characterized in that: the middle part of the left end of the pressing plate (21) is fixedly connected with a transmission shaft (22), the transmission shaft (22) is prism-shaped, and the right end of the rotating shaft (4) is provided with a prism hole corresponding to the transmission shaft (22).
5. The apparatus for detecting bearing play for an axle according to claim 4, characterized in that: first expansion bend (11) and second expansion bend (14) are electric putter, the inside of location case (10) is provided with power (23), first expansion bend (11), second expansion bend (14), displacement sensor (9) and gear motor (3) all with power (23) electricity is connected.
6. The apparatus for detecting the bearing play for an axle according to claim 5, wherein: the bottom plate (1), the supporting box (2) and the rotating shaft (4) are all made of POM materials.
7. A method for detecting the bearing play for an axle is characterized in that: which makes use of a detection device according to any one of claims 1 to 6, the detection method comprising the steps of:
after an output shaft of a first expansion piece (11) is retracted, a bearing (8) to be detected is installed on a rotating shaft (4), a speed reduction motor (3) drives the rotating shaft (4) and an inner ring of the bearing (8) to be detected to rotate, and further during simulation work, the movement form of the bearing further drives an outer ring of a baffle ring (6) and the bearing (8) to be detected to be positioned at a right limit edge through the elasticity of a spring (7), then drives a pressing plate (21), a rotating plate (12) and an extending plate (13) to move leftwards through the output shaft of the first expansion piece (11), after the pressing plate (21) is contacted with the inner ring of the bearing (8) to be detected, an output shaft of a second expansion piece (14) extends out, the second expansion piece (14) drives a push ring (15) to move leftwards, the push ring (15) drives the outer ring of the bearing (8) to be detected to move leftwards, and the baffle ring (6) drives an input end of a displacement sensor (9) to move, the moving distance is detected by a displacement sensor (9).
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CN202210559236.3A CN114646286B (en) | 2022-05-23 | 2022-05-23 | Bearing clearance detection method and device for axle |
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CN202210559236.3A CN114646286B (en) | 2022-05-23 | 2022-05-23 | Bearing clearance detection method and device for axle |
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CN114646286B true CN114646286B (en) | 2022-07-29 |
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