CN114322896A - Horizontal bearing radial clearance detection device and detection method - Google Patents
Horizontal bearing radial clearance detection device and detection method Download PDFInfo
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- CN114322896A CN114322896A CN202210024402.XA CN202210024402A CN114322896A CN 114322896 A CN114322896 A CN 114322896A CN 202210024402 A CN202210024402 A CN 202210024402A CN 114322896 A CN114322896 A CN 114322896A
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Abstract
The invention provides a horizontal bearing radial clearance detection device and a detection method in the technical field of bearing detection, wherein the horizontal bearing radial clearance detection device comprises: a support; the eccentric guide assembly is arranged on the bracket in a sliding manner; the push measuring body assembly is arranged on one side of the eccentric guide assembly in a sliding manner; the clearance measuring part is arranged on two sides of the push body measuring component; the bearing pushing mechanism is arranged on the side surface of the bracket and is positioned above the push measuring body assembly; and the bearing clamping mechanism is arranged on the bearing pushing mechanism and is arranged on the same horizontal plane with the push measuring body assembly. The invention has the advantages of accurate detection of the radial play of the bearing to be detected, capability of quickly finishing the detection of the radial play of the bearing to be detected and the like.
Description
Technical Field
The invention relates to the technical field of bearing detection, in particular to a horizontal bearing radial clearance detection device and a detection method.
Background
The bearing play is the clearance between the bearing rolling elements and the bearing inner and outer race shells. The bearing play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner ring or the outer ring is fixed, and then the non-fixed bearing play is moved in the radial direction or the axial direction.
Chinese patent CN101363727B discloses a bearing radial play detection device, which is characterized by comprising a frame and an electric control system, wherein a lifting mechanism is installed above the frame, one end of a mandrel for positioning an inner ring of a bearing to be detected is connected with the lifting mechanism, and a lower die device for placing the bearing to be detected is arranged on the frame below the mandrel; the front elastic pressing mechanism and the rear elastic pressing mechanism which push and press the outer ring of the tested bearing are respectively arranged at the front side and the rear side of the frame, and the measuring pen which is contacted with the outer ring of the tested bearing is arranged on the frame through the bracket device. The utility model discloses a bearing radial play detection device has realized the automated inspection to bearing radial play, and detection efficiency is high, has improved bearing radial play and has detected the rate of accuracy, can examine the bearing of mass production entirely to workman's intensity of labour has been alleviateed.
However, in the technical scheme, the outer ring of the bearing to be detected is clamped by the front elastic pressing mechanism and the rear elastic pressing mechanism, and the detection of the clearance of the bearing to be detected is completed by the detection pen, so that the clearance detection can be completed only by a single radial pressing and holding mode, the detection error is large during detection, and the detection precision is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a horizontal bearing radial clearance detection device and a detection method, wherein zero point confirmation is carried out when a zero point detector is not arranged in a bearing to be detected, then the bearing to be detected is moved into a detection space along the horizontal direction, meanwhile, a bearing clamping mechanism is utilized to drive an inner ring of the bearing to be detected to rotate, the detection of the clearance between the inner ring and an outer ring under each radial condition is realized through the inner ring of the bearing to be detected rotating at a high speed, and after the bearing to be detected is arranged in the detection space, an eccentric guide assembly is utilized to drive a push body assembly to reciprocate to carry out moving guide on the bearing to be detected, so that the clearance of the bearing to be detected is obtained through calculation according to the moving position of the push body assembly detected by the clearance detector, and the technical problem of the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a horizontal bearing radial play check out test set which characterized in that includes: a support; an eccentric guide assembly; a push measuring body assembly; the clearance measuring part is arranged on two sides of the push body measuring component; the bearing pushing mechanism is arranged on the side surface of the bracket and is positioned above the push measuring body assembly; the bearing clamping mechanism is arranged on the bearing pushing mechanism and is arranged on the same horizontal plane with the push measuring body assembly; wherein the eccentric guide assembly comprises: the sliding block is matched with the push measuring body assembly; the eccentric shaft is arranged in the sliding block and rotates to drive the sliding block to reciprocate left and right; the bearing pushing mechanism pushes the bearing to be detected clamped by the bearing clamping mechanism to the push body detecting assembly, the push body detecting assembly is synchronously moved through eccentric rotation of the eccentric shaft and the bearing to be detected moves left and right in a reciprocating mode, and the play detecting portion detects play of the bearing to be detected.
Further, the play measuring section includes: the zero detector is arranged on one side of the push body assembly and used for detecting the zero position of the push body assembly; the clearance detector is arranged on the other side of the push body assembly and is used for detecting the clearance of the bearing to be detected; the position of the zero detector for detecting the push body assembly is located at the zero position, the bearing to be detected moves into the push body assembly, the eccentric guide assembly drives the bearing to be detected to move left and right in a reciprocating mode, and the clearance of the bearing to be detected is measured by the clearance detector.
Furthermore, the top end of the sliding block is provided with a guide groove, and the bottom end of the sliding block is provided with a sliding groove; the eccentric end of the eccentric shaft extends into the guide groove.
Further, the guide groove is of a U-shaped structure, and the U-shaped structure is arranged along the direction perpendicular to the moving direction of the sliding block.
Further, the push measuring body assembly comprises: two groups of side pushing parts which are symmetrically arranged in the sliding groove in a sliding manner; and a detection space for placing the bearing to be detected is formed between the two groups of side pushing parts.
Further, the side pushing part comprises: the pushing seat is slidably arranged in the sliding groove; one end of the inserted rod is connected with the push seat, and the other end of the inserted rod penetrates through the sliding block; and the elastic piece is sleeved on the inserted rod.
Further, the bearing clamping mechanism includes: the bearing mounting assembly is arranged on the moving frame; the bearing positioning assembly is arranged in the bearing mounting assembly; the output end of the driving part is connected with the bearing mounting assembly; the bearing positioning assembly positions and clamps the bearing to be detected arranged on the bearing mounting assembly, and the driving part is used for driving the bearing mounting assembly to rotate.
Further, the bearing mounting assembly includes: a guide bearing; the rotating seat is arranged on one side of the guide bearing, and one end of the rotating seat is connected with the inner diameter of the guide bearing in a matched manner; the rotating body is arranged on the other side of the guide bearing, and one end of the rotating body is connected with the inner diameter of the guide bearing in a matched manner; the bearing positioning seat is arranged on one side of the rotating seat; and the bearing positioning seat is provided with a positioning rod for mounting a bearing to be detected.
Further, the bearing positioning assembly includes: the clamping driving assembly is arranged inside the rotating seat, and the output end of the clamping driving assembly penetrates through the rotating seat and the positioning rod; an extrusion table is arranged at the end part of the output end of the clamping driving assembly; the positioning piece is sleeved on the clamping driving assembly and arranged between the extrusion table and the positioning rod; the reciprocating action of the extrusion table is driven by the clamping driving assembly, so that the extrusion table acts on the positioning piece, and the inner diameter surface of the bearing to be detected is positioned, clamped or separated by utilizing the deformation of the positioning piece.
The invention also provides a method for detecting the radial clearance of the horizontal bearing, which is characterized by comprising the following steps of:
firstly, zero point confirmation, wherein before play detection, a push measuring part on a push measuring body assembly is closed in a detection space, specifically, through the thrust action of an elastic piece sleeved on an inserted bar, push seats are mutually closed in the detection space, and after the push seats are closed in the detection space, the zero point detector confirms the zero point position of the inserted bar;
secondly, guiding and conveying the bearing, namely positioning and clamping the bearing to be detected through a bearing clamping mechanism and driving an inner ring of the bearing to rotate at a high speed, moving and inserting the bearing to be detected into a detection space along the horizontal direction through a bearing pushing mechanism, opening a pushing seat on a pushing part to the outer ring surface of the bearing to be detected in a adaptability manner, and driving a pushing body component to reciprocate left and right through an eccentric guide component;
step three, play detection is carried out, wherein an eccentric shaft in an eccentric guide assembly eccentrically rotates in a guide groove on a sliding block, the sliding groove on the other side of the sliding block movably guides the sliding block along the opening direction of the sliding groove, the sliding block which reciprocates left and right pushes a push measuring part, and when a bearing to be detected moves towards one side far away from a play detector, the play detector detects a first group of measured values of an inserted rod from the play detector; when the bearing to be detected carried by the measuring and pushing part is close to one side of the play detector, the play detector measures a second group of measured values of the inserted rod from the play detector;
and step four, clearance calculation, namely calculating the difference value of the first group of measured values and the second group of measured values to obtain the radial clearance of the bearing to be detected.
The invention has the beneficial effects that:
(1) according to the invention, through the mutual matching of the bearing pushing mechanism, the bearing clamping mechanism and the play triggering mechanism, after the bearing pushing mechanism pushes the bearing to be detected on the bearing clamping mechanism towards the play triggering mechanism along the horizontal direction, the play triggering mechanism is utilized to carry out radial play detection on the play of the bearing to be detected with the inner ring rotating, so that the accuracy of a detection result is improved;
(2) according to the bearing positioning device, the bearing to be detected is installed and positioned through the bearing installation assembly and the bearing positioning assembly, so that after the bearing to be detected is inserted into the positioning rod of the bearing installation assembly, the inner ring of the bearing to be detected generates extrusion force on the positioning piece between the extrusion table and the positioning rod through the extrusion table, the positioning piece is deformed, the deformation force can act on the inner ring of the bearing to be detected, the inner ring of the bearing to be detected is further firmly sleeved on the positioning rod, the influence on the detection result caused by the sizes such as the roundness and the ellipticity of the bearing in the bearing clearance measurement process is reduced, and the accuracy of the detection result is improved;
(3) according to the invention, through the mutual matching of the eccentric guide assembly, the push measuring body assembly and the play detector, when a bearing to be detected with a rotating inner ring is placed in a detection space, the eccentric guide assembly moves left and right in a reciprocating manner to push the push measuring part to detect the play of the bearing to be detected, and when the push measuring body assembly moves away from the play detector, the play detector measures a first group of measured values, when the push measuring body assembly approaches the play detector, the play detector measures a second group of measured values, the radial play of the bearing to be detected is obtained through two groups of measured difference values, and an average value is obtained through multiple measurements;
(4) according to the invention, through the matching between the push body measuring assembly and the zero point detector, before the bearing to be detected is placed in the detection space, the left and right push seats are close to each other through the elastic action of the elastic piece, and the zero point detector confirms whether the push seats are in the zero point position through the position of the push rod, so that the accurate confirmation of the positions of the push seats is realized;
in conclusion, the invention has the advantages of accurate detection of the radial play of the bearing to be detected, capability of quickly finishing the detection of the radial play of the bearing to be detected, and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of FIG. 2 at C;
FIG. 5 is an enlarged view taken at D of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic structural view of a guide holder according to the present invention;
FIG. 7 is a schematic view of the structure of the push-measuring portion according to the present invention;
FIG. 8 is a schematic structural view of the eccentric shaft of the present invention;
FIG. 9 is a schematic view of the slider of the present invention;
fig. 10 is a bottom view of fig. 9 of the present invention.
FIG. 11 is a flow chart of the detection method of the present invention.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. 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 invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 1, a horizontal bearing radial play detecting apparatus includes:
a bracket 100;
an eccentric guide assembly 200;
a push body assembly 300;
a play measuring part 400, wherein the play measuring part 400 is arranged at two sides of the push body assembly 300;
the bearing pushing mechanism 500 is arranged on the side surface of the bracket and is positioned above the push measuring body assembly 300; and
the bearing clamping mechanism 600 is arranged on the bearing pushing mechanism 500, and the bearing clamping mechanism 600 and the pushing body component 300 are arranged on the same horizontal plane;
wherein the eccentric guide assembly 200 comprises:
the sliding block 21 is provided with a sliding groove 24 at the bottom end of the sliding block 21; and
the eccentric shaft 22 rotates to drive the slide block 21 to reciprocate left and right;
the bearing pushing mechanism 500 pushes the bearing to be detected clamped by the bearing clamping mechanism 600 to the push body assembly 300, the sliding groove 24 carries the bearing to be detected in the push body assembly 200 to reciprocate left and right, and the play measuring part 400 performs play detection on the bearing to be detected.
Through the above, it can be easily found that, in the process of horizontal detection of the radial play of the bearing, the bearing to be detected is positioned and installed on the bearing clamping mechanism 600, and pushed into the push-measuring body assembly 300 by the bearing pushing mechanism 500, the push-measuring body assembly 300 is driven by the eccentric guide assembly 200, and the bearing clamping mechanism 600 will drive the inner ring of the bearing to be detected in the push-measuring body assembly 300 to rotate, so as to realize the play measurement of the bearing to be detected rotating in the inner ring by using the play measuring part 400, and, when the eccentric guide assembly 200 drives the push measuring body assembly 300, the eccentric shaft 22 eccentrically rotates to drive the slide block 21 to reciprocate left and right, further, the sliding groove 24 at the bottom of the sliding block 21 moves back and forth on the top of the push measuring body assembly 300, carries the push measuring body assembly 300 to move along, and then the bearing to be detected is actuated, and then the play between the outer ring and the inner ring of the bearing to be detected, which is led out by the push body assembly 300, is detected through the play measuring part 400.
As shown in fig. 1, the play measurement section 400 includes:
the zero detector 41 is arranged on one side of the push measuring body assembly 300, and detects the zero position of the push measuring body assembly 300; and
the play detector 42 is arranged on the other side of the push body assembly 300, and is used for detecting the play of the bearing to be detected;
the zero point detector 41 detects that the position of the push body assembly 300 is at the zero point position, the bearing to be detected moves into the push body assembly 300, the eccentric guide assembly 200 drives the bearing to be detected to reciprocate left and right, and the play detector 42 is used for measuring the play of the bearing to be detected.
In this embodiment, before the bearing to be detected is sent into the push body assembly 300, since the position of the push body assembly 300 may change or the push body assembly 300 itself has a position error when the eccentric guide assembly 200 is moved, which affects the accuracy of detection when the bearing to be detected is inserted, before the bearing to be detected is sent into the push body assembly 300, the zero point detector 41 determines the zero point position of the push body assembly 300 in the initial state, and then the bearing to be detected on the bearing clamping mechanism 600 is sent into the push body assembly 300 by the bearing pushing mechanism 500, the eccentric guide assembly 200 drives the push body assembly 300 to reciprocate left and right, so as to drive the outer ring of the bearing to be detected to reciprocate back and forth, when the push body assembly 300 is moved to the side far away from the play detector 42, the play detector 42 detects the first set of distance measurement values between the push body assembly 300 and the play detector 42, and when the push body assembly 300 moves to a side close to the play detector 42, the play detector 42 measures a second group of distance measurement values between the push body assembly 300 and the play detector 42 again, and the radial play of the bearing to be detected is obtained by calculating the difference value between the first group of distance measurement values and the second group of distance measurement values.
As shown in fig. 4 and 8-10, a guide groove 23 is formed at the top end of the slide block 21; the eccentric end 221 of the eccentric shaft 22 extends into the guide groove 23.
In this embodiment, by inserting the eccentric end 221 of the eccentric shaft 22 into the guide slot 23 of the slider 21, the eccentric shaft 22 rotates in the guide slot 23 and simultaneously drives the slider 21 to reciprocate along the sliding direction of the sliding slot 24.
It should be added that the sliding block 21 is slidably disposed on one side of the bracket 100; the top end of the slide block 21 is provided with a guide groove 23; the eccentric shaft 221 of the eccentric shaft 22 extends into the guide groove 23.
As shown in fig. 9, the guide groove 23 has a U-shaped structure, and the U-shaped structure is arranged in a direction perpendicular to the moving direction of the slider 21.
In the present embodiment, after the eccentric end 221 of the eccentric shaft 22 is inserted into the guide groove 23 through the guide groove 23 arranged in the direction perpendicular to the moving direction of the slider 21, the eccentric end 22 moves back and forth in the guide groove 23 in the direction perpendicular to the moving direction of the slider 21 while drawing the slider 21 to reciprocate left and right in the guide groove 23 in the moving direction of the slider 21.
As shown in fig. 6, a guiding clamping seat 25 is preferably further provided, the sliding block 21 is slidably disposed on the guiding clamping seat 25, and the guiding clamping seat 25 is connected to the bracket 100.
It should be noted that during the guiding process of the guide clamping seat 25, the slide block 21 can reciprocate left and right in the channel between the bracket 100 and the guide clamping seat 25.
Further, a first clamping groove 251 is formed in the inner side of the top of the guiding clamping seat 25, a second clamping groove 11 is formed in one side of the bottom of the bracket 100, and the sliding block 21 is inserted between the first clamping groove 251 and the second clamping groove 11 in a matching manner.
It should be noted that the first card slot 251 formed in the guide card holder 25 and the second card slot 11 formed in the bracket 100 can realize the directional movement of the slider 21 under the common guiding action of the first card slot 251 and the second card slot 11.
As shown in fig. 5 and 8, the eccentric shaft 221 of the eccentric shaft 22 is sleeved with a guide bearing 222, the guide bearing 222 is disposed in contact with the guide groove 23, the upper end of the eccentric shaft 22 is connected with a motor 223 for driving the eccentric shaft 22 to rotate, and the motor 223 is mounted on the bracket 100.
When the eccentric shaft 22 is inserted into the guide groove 23 for guidance, the guide bearing 222 fitted around the eccentric shaft 221 prevents the inner wall of the guide groove 23 and the eccentric shaft 221 of the eccentric shaft 22 from being worn to a large extent when the eccentric shaft 221 is directly inserted into the guide groove 23 for guidance.
As shown in fig. 4 and 10, the push probe assembly 300 includes:
two sets of side pushing parts 31 symmetrically and slidably arranged in the sliding groove 24;
a detection space 32 for placing the bearing to be detected is formed between the two groups of side pushing parts 31.
In this embodiment, the bearing to be detected is inserted into the detection space 32, and the push-measuring portions 31 slidably disposed in the sliding grooves 24 are pressed on both sides of the outer ring of the bearing to be detected, so that the sliding blocks 21 push the push-measuring portions 31 to both sides by the left and right reciprocating movement of the sliding grooves 24, and the play condition of the bearing to be detected is confirmed by the back and forth movement positions of the push-measuring portions 31
As shown in fig. 7, the side pushing part 31 includes:
the push seat 311 is slidably arranged in the sliding groove 24;
one end of the insertion rod 312 is connected with the push seat 311, and the other end of the insertion rod 312 penetrates through the sliding block 21; and
the elastic element 313 is sleeved on the insertion rod 312.
In the present embodiment, the number of the insert pins 312 is preferably two, and the insert pin 312 of one of the groups corresponds to the zero point detector 41, the insert pin 312 of the other group corresponds to the play detector, before the bearing to be detected moves into the detection space 32, the push seat 311 is tightened in the detection space 32 in the arrangement direction of the insertion rod 312 by the elastic force of the elastic member 312, and the insertion rod 312 at the side of the zero point detector 41 detects the position data of the eccentric guide assembly 200 in the non-operation state, and when the eccentric guide assembly 200 is operated, the push seats 2211 and the plug rod 312 on both sides of the bearing to be detected are pushed to move away from or close to the play detector 24 through the sliding groove 214, the radial play of the bearing to be detected is calculated by using the play detector 42 to set a distance value at which the insert pin 312 on the side of the play detector 42 approaches or departs from the play detector.
Preferably, as shown in fig. 10, the bottom end of the sliding groove 24 is provided with a boss 26.
In this embodiment, in the embodiment, when the eccentric guide assembly 200 drives the sliding block 21 to reciprocate left and right, the protruding portion 26 is always located inside the inner ring of the bearing to be detected, so that the bearing to be detected is always determined to be sleeved outside the protruding portion 26.
Preferably, the outer diameter of the boss 26 is not larger than the outer diameter of the bearing to be detected.
In this embodiment, by setting the outer diameter of the protruding portion 26 to be smaller than or equal to the outer diameter of the outer ring of the bearing to be detected, when the sliding groove 24 pushes the push body assembly 300 to move back and forth, the protruding portion 26 does not contact with the outer diameter of the outer ring of the bearing to be detected.
Preferably, the inner diameter surface of the pushing seat 311 is circular arc, and a chamfer is provided on the lower end surface of the pushing seat 311.
In this embodiment, the pushing seat 311 having the arc inner diameter surface can be attached to the outer side surface of the bearing to be detected, and the lower end surface of the pushing seat 311 is chamfered, so that the bearing to be detected can be inserted into the space between the inner diameter surfaces of the pushing seat 311 through the chamfer.
Preferably, the inner diameter of the push seat 311 is not smaller than the outer diameter of the boss 26.
In this embodiment, by setting the inner diameter of the push seat 311 to be greater than or equal to the outer diameter of the boss 26, when the boss 26 abuts against the inner diameter of the push seat 311, the outer diameter of the outer ring of the bearing to be detected can be set to be less than or equal to the outer diameter of the outer ring of the bearing to be detected, and the outer diameter of the outer ring of the shaft side to be detected can always contact with the inner diameter of the push seat 311.
Example two
As shown in fig. 3, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that: the bearing pushing mechanism 500 includes:
the driving assembly 51, the said driving assembly 51 is connected with said support 100; and
the moving frame 52 is arranged on the driving assembly 51 in a sliding manner; the bottom end of the movable frame 52 is slidably connected with the bracket 100;
the driving assembly 51 drives the moving frame 52 to reciprocate left and right.
In this embodiment, when the bearing to be detected on the bearing clamping mechanism 600 is moved into the measurement and pushing body assembly 300 along the horizontal direction by the bearing pushing mechanism 500, the driving assembly 51 drives the moving frame 52 to move along the horizontal direction, and the movement of the moving frame 52 drives the bearing to be detected on the bearing clamping mechanism 600 to move into the measurement and pushing body assembly 300.
Preferably, the driving assembly 51 comprises a driving motor 511, a screw 512 connected to the driving motor 511, and a driving block 513 screwed on the screw 512; the screw 512 is inserted into the bracket 100, and the driving block 513 is connected with the moving frame 52.
In this embodiment, the driving motor 511 synchronously drives the screw rod 512 to rotate, and the driving block 513 on the screw rod 512 moves back and forth on the screw rod 512, so as to drive the bracket 100 on the driving block 513 to move back and forth.
Preferably, the bracket 100 is provided with a guide rail 12, the moving frame 52 is provided with a guide seat 521, and the guide seat 521 is slidably connected to the guide rail 12.
In this embodiment, when the moving frame 52 drives the bearing clamping mechanism 600 to move towards the push measuring assembly 300 along the horizontal direction, the guide seat 521 on the moving frame 52 moves back and forth along the arrangement direction of the guide rail 12, so that the connection between the guide seat 521 and the guide rail 12 is used to guide the movement of the bearing clamping mechanism 600.
As shown in fig. 5, the bearing clamping mechanism 600 includes:
a bearing mounting assembly 61, wherein the bearing mounting assembly 61 is arranged on the moving frame 52;
the bearing positioning assembly 62 is arranged in the bearing mounting assembly 61, and the bearing positioning assembly 62 is arranged in the bearing mounting assembly 61; and
a driving part 63, wherein the output end of the driving part 63 is connected with the bearing mounting component 61;
the bearing positioning unit 62 positions and clamps the bearing to be detected mounted on the bearing mounting unit 61, and the driving unit 63 drives the bearing mounting unit 61 to rotate.
In this embodiment, in the bearing fixture 600 treat that detect the bearing and carry out the centre gripping location in-process, the installation of treating the detection bearing is accomplished through bearing installation component 61, and fix a position the clamp tightly to the inner circle of treating the detection bearing through bearing locating component 62, rethread drive bearing installation component 61 is come to drive through drive division 63, and then rotatory bearing installation component 21 can drive the inner circle rotation of treating the detection bearing, thereby can treat that the bearing inner circle is in detecting space 32 through rotatory, realize respectively treating the quick detection of bearing radial direction's internal clearance.
Further, the bearing mounting assembly 61 includes:
a guide bearing 611;
the rotating base 612 is arranged on one side of the guide bearing 611, and one end of the rotating base 612 is connected with the inner diameter of the guide bearing 611 in a matching manner;
a rotating body 613, wherein the rotating body 613 is disposed at the other side of the guide bearing 611, and one end of the rotating body 613 is in fit connection with the inner diameter of the guide bearing 611; and
the bearing positioning seat 614 is arranged on one side of the rotating seat 612;
and a positioning rod 615 for mounting a bearing to be detected is arranged on the bearing positioning seat 614.
In this embodiment, in the bearing mounting assembly 61, the rotating body 613 is driven to rotate by the driving portion 63, and then the rotating body 613 can drive the rotating seat 612 to rotate along with the rotating, and can drive the bearing positioning seat 614 on the rotating seat 612 to rotate, and the bearing to be detected is mounted on the positioning rod 615, so that the rotating bearing positioning seat 614 can drive the bearing inner ring to be detected on the positioning rod 615 to rotate, and the outer diameter surfaces of the rotating body 613 and the rotating seat 612 can be supported by the guide bearing 611, thereby guiding the rotating body 613 and the rotating seat 612 during rotation can be realized.
More specifically, the bearing positioning assembly 62 includes:
the clamping driving assembly 621 is arranged inside the rotating seat 612, and the output end of the clamping driving assembly 621 penetrates through the rotating seat 612 and the positioning rod 615; the end of the output end of the clamping driving assembly 621 is provided with an extrusion table 622; and
the positioning element 623 is sleeved on the clamping driving assembly 621 and is arranged between the extrusion table 622 and the positioning rod 615;
the clamping driving assembly 621 drives the extrusion table 622 to reciprocate, so that the extrusion table 622 acts on the positioning element 623, and the inner diameter surface of the bearing to be detected is positioned, clamped or separated by the deformation of the positioning element 623.
In this embodiment, the positioning element 623 is disposed at the top end of the positioning rod 615, and the pressing platform 622 is disposed on the positioning element 623 at a side away from the end of the positioning rod 615, so that, in use, the inner ring of the bearing to be detected is sleeved between the positioning rod 615 and the pressing platform 622, the outer diameter of the positioning rod 615 is smaller than or equal to the inner diameter of the inner ring of the bearing to be detected, the outer diameter of the pressing table 622 is smaller than or equal to the inner diameter of the inner ring of the bearing to be detected, so that when the power output end of the clamping driving assembly 621 pulls the pressing table 622 to move towards the positioning element 623, the positioning element 623 will deform, and the deformation force generated by the deformation is toward the inner diameter side of the inner ring of the bearing to be detected, so that the positioning element 623 presses the inner diameter surface of the inner ring of the bearing to be detected, therefore, when the bearing positioning seat 614 rotates, the bearing inner ring to be detected, which is connected to the positioning rod 615 in a pressing mode, can be driven to rotate.
Preferably, the clamping driving assembly 621 comprises a driving cylinder 6211, a piston 6212 inserted in the driving cylinder 6211, a piston rod 6213, a spring 6214 at one side far from the piston rod 6213, and a pneumatic joint 6215; the spring 6214 is connected to the inner wall of the driving cylinder 6211 corresponding to the piston 6212, the pneumatic joint 6215 is communicated with the inner cavity wall formed by the piston 6212 positioned at one side of the piston rod 6213 and the driving cylinder 6211, one end of the piston rod 6213 is connected with the piston 6212, and the other end of the piston rod 6213 is connected with the extrusion table 622.
In this embodiment, during the process that the clamping driving assembly 621 drives the pressing table 622 to move back and forth, gas is injected through the pneumatic connector 6215, the pressure between the piston 6212 located on one side of the piston rod 6213 and the inner cavity wall of the driving cylinder 6211 is increased, so as to push the piston 6212 to move towards one side of the spring 6214 and compress the spring 6214, the pressing table 622 presses on the positioning member 623 at this time, so that the positioning member 6423 presses on the inner diameter surface of the inner ring of the bearing to be detected, and when the injected gas is exhausted through the pneumatic connector 6215, the piston 6212 is subjected to the elastic force of the spring 6214, so that the pressing table 622 moves towards the side away from the positioning member 623, so that the deformation of the positioning member 623 is recovered, the deformation force generated by the positioning member 623 on the bearing to be detected disappears, and at this time, the bearing to be detected can be conveniently removed from the positioning rod 615.
Preferably, the positioning member 4623 is made of a silicone rubber material.
In this embodiment, the positioning element 623 made of silicon rubber can deform after being pressed by the pressing table 622, and when the pressing force disappears, the positioning element 623 can be quickly deformed and restored.
As shown in fig. 5, the rotating base 612 and the rotating body 613 are connected to form a whole by a plurality of fastening members 616 and are engaged with the inner ring of the guide bearing 611.
In this embodiment, the rotating base 612 is connected by a plurality of fastening members 616, so that the rotating base 612 and the rotating body 613 form a whole, and when the whole is driven to rotate, the whole can be better guided and supported by the guide bearing 611.
EXAMPLE III
A method for detecting the radial clearance of a horizontal bearing comprises the following steps:
firstly, zero point confirmation, wherein before play detection, a push measuring part 31 on a push measuring body assembly 300 is closed in a detection space 32, specifically, through the thrust action of an elastic piece 313 sleeved on an inserted rod 312, push seats 311 are mutually closed in the detection space 32, and after the push seats 311 are closed in the detection space, the zero point detector 41 confirms the zero point position of the inserted rod 312;
secondly, guiding and conveying the bearing, namely positioning and clamping the bearing to be detected through a bearing clamping mechanism 600, driving the inner ring to rotate at a high speed, moving and inserting the bearing to be detected into the detection space 32 along the horizontal direction through a bearing pushing mechanism 500, then adaptively opening a pushing seat 311 on the pushing measuring part 31 to the outer ring surface of the bearing to be detected, and driving the pushing measuring body assembly 300 to reciprocate left and right through the eccentric guide assembly 200;
step three, play detection, wherein the eccentric shaft 22 in the eccentric guide assembly 200 eccentrically rotates in the guide groove 23 on the slide block 21, the slide groove 24 on the other side of the slide block 21 movably guides the slide block 21 along the opening direction of the slide groove 24, the slide block 21 reciprocating left and right pushes the measuring and pushing part 31, and when the measuring and pushing part 31 carries a bearing to be detected to move towards the side far away from the play detector 42, the play detector 42 measures a first group of measurement values of the inserted rod 312 and the play detector 42; when the measuring and pushing part 31 carries the bearing to be detected to be close to one side of the play detector 42, the play detector 42 measures a second group of measurement values of the distance between the inserted rod 312 and the play detector 42;
and step four, clearance calculation, namely calculating the difference value of the first group of measured values and the second group of measured values to obtain the radial clearance of the bearing to be detected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a horizontal bearing radial play check out test set which characterized in that includes:
a bracket (100);
an eccentric guide assembly (200);
a push body assembly (300);
a play measurement part (400), wherein the play measurement part (400) is arranged at two sides of the push body measurement assembly (300);
the bearing pushing mechanism (500), the bearing pushing mechanism (500) is arranged on the side surface of the support and is positioned above the push measuring body assembly (300); and
the bearing clamping mechanism (600) is arranged on the bearing pushing mechanism (500) and is arranged on the same horizontal plane with the push measuring body assembly (300);
wherein the eccentric guide assembly (200) comprises:
the sliding block (21), the sliding block (21) is matched with the push measuring body component (300); and
an eccentric shaft (22), the eccentric shaft (22) being mounted within the slide (21);
the bearing pushing mechanism (500) pushes the bearing to be detected clamped by the bearing clamping mechanism (600) into the push body testing assembly (300), the push body testing assembly (300) and the bearing to be detected move left and right in a reciprocating mode through eccentric rotation of the eccentric shaft (22), and the play measuring part (400) performs play detection on the bearing to be detected.
2. The horizontal bearing radial play detection apparatus according to claim 1, wherein the play measurement section (400) includes:
the zero detector (41), the zero detector (41) is arranged on one side of the push body assembly (300); and
a play detector (42), wherein the play detector (42) is arranged on the other side of the push body assembly (300);
the zero detector (41) detects that the position of the push body assembly (300) is located at the zero position, the bearing to be detected moves into the push body assembly (300), the eccentric guide assembly (200) drives the bearing to be detected to move left and right in a reciprocating mode, and the play of the bearing to be detected is measured through the play detector (42).
3. The horizontal bearing radial play detection apparatus according to claim 1, wherein a guide groove (23) is formed at a top end of the slider (21), and a sliding groove (24) is formed at a bottom end thereof; the eccentric end (221) of the eccentric shaft (22) extends into the guide groove (23).
4. The horizontal bearing radial play detecting apparatus according to claim 3, wherein the guide groove (23) is of a U-shaped configuration, and the U-shaped configuration is arranged in a direction perpendicular to a moving direction of the slider (21).
5. The apparatus for detecting radial play of a horizontal bearing according to claim 3, wherein the thrust body assembly (300) comprises:
two groups of side pushing parts (31) which are symmetrically arranged in the sliding groove (24) in a sliding manner;
a detection space (32) for placing the bearing to be detected is formed between the two groups of side pushing parts (31).
6. The horizontal bearing radial play detecting apparatus according to claim 5, wherein the side push portion (31) includes:
the push seat (311) is arranged in the sliding groove (24) in a sliding manner;
one end of the inserting rod (312) is connected with the pushing seat (311), and the other end of the inserting rod (312) penetrates through the sliding block (21); and
the elastic piece (313), elastic piece (313) cover is located on inserted bar (312).
7. The horizontal bearing radial play detection apparatus according to claim 1, wherein the bearing clamping mechanism (600) includes:
a bearing mounting assembly (61);
a bearing positioning assembly (62), the bearing positioning assembly (62) being disposed within the bearing mounting assembly (61); and
a drive part (63), wherein the output end of the drive part (63) is connected with the bearing mounting component (61);
the bearing positioning assembly (62) positions and clamps a bearing to be detected which is arranged on the bearing mounting assembly (61), and the bearing mounting assembly (61) is driven to rotate by the driving part (63).
8. The horizontal bearing radial play detection apparatus according to claim 7, wherein the bearing mounting assembly (61) comprises:
a guide bearing (611);
a rotating base (612), wherein one end of the rotating base (612) is connected with the inner diameter of the guide bearing (611) in a matching way;
a rotating body (613), wherein one end of the rotating body (613) is connected with the inner diameter of the guide bearing (611) in a matching way; and
the bearing positioning seat (614) is provided with a positioning rod (615) used for installing a bearing to be detected.
9. The horizontal bearing radial play detection apparatus according to claim 8, wherein the bearing positioning assembly (62) comprises:
the clamping driving assembly (621), the clamping driving assembly (621) is arranged inside the rotating seat (612), and the output end of the clamping driving assembly (621) penetrates through the rotating seat (612) and the positioning rod (615); the end part of the output end of the clamping driving assembly (621) is provided with an extrusion table (622); and
the positioning piece (623) is sleeved on the clamping driving assembly (621) and arranged between the extrusion table (622) and the positioning rod (615);
the clamping driving assembly (621) drives the extrusion table (622) to reciprocate, so that the extrusion table (622) acts on the positioning piece (623), and the inner diameter surface of the bearing to be detected is positioned, clamped or separated by the deformation of the positioning piece (623).
10. A method for detecting the radial clearance of a horizontal bearing is characterized by comprising the following steps:
firstly, zero point confirmation, wherein before play detection, a push measuring part (31) on a push measuring body assembly (300) is closed in a detection space (32), specifically, through the thrust action of an elastic piece (2213) sleeved on an inserted link (313), push bases (311) are mutually close in the detection space (32), and after the push bases (311) are close in the detection space, the zero point detector (41) confirms the zero point position of the inserted link (313);
secondly, guiding and conveying the bearing, namely positioning and clamping the bearing to be detected through a bearing clamping mechanism (600), driving an inner ring of the bearing to rotate at a high speed, moving and inserting the bearing to be detected into a detection space (32) along the horizontal direction through a bearing pushing mechanism (500), opening a pushing seat (311) on a measuring and pushing part (31) to the outer ring surface of the bearing to be detected in a adaptability way, and driving a measuring and pushing body assembly (300) to reciprocate left and right through an eccentric guide assembly (200);
thirdly, play detection is carried out, the eccentric shaft (22) in the eccentric guide assembly (200) eccentrically rotates in a guide groove (23) on the sliding block (21), the sliding groove (24) on the other side of the sliding block (21) movably guides the sliding block (21) along the opening direction of the sliding groove (24), the sliding block (21) which reciprocates left and right pushes a measuring and pushing part (31), and when the measuring and pushing part (31) carries a bearing to be detected to move towards one side far away from the play detector (42), the play detector (42) measures a first group of measured values of the distance between an inserted rod (312) and the play detector (42); when the measuring and pushing part (31) carries a bearing to be detected to be close to one side of the play detector (42), the play detector (42) measures a second group of measured values of the distance between the inserted rod (312) and the play detector (42);
and step four, clearance calculation, namely calculating the difference value of the first group of measured values and the second group of measured values to obtain the radial clearance of the bearing to be detected.
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| CN202210024402.XA CN114322896B (en) | 2022-01-11 | 2022-01-11 | Radial clearance detection equipment and method for horizontal bearing |
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| CN114322896B (en) | 2023-10-20 |
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