CN110701980B - An intelligent bearing ring quality monitoring device - Google Patents

An intelligent bearing ring quality monitoring device Download PDF

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Publication number
CN110701980B
CN110701980B CN201910928678.9A CN201910928678A CN110701980B CN 110701980 B CN110701980 B CN 110701980B CN 201910928678 A CN201910928678 A CN 201910928678A CN 110701980 B CN110701980 B CN 110701980B
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fixed
scale
turntable
caliper
support frame
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CN201910928678.9A
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CN110701980A (en
Inventor
潘丽萍
程祥云
蒋含斌
石春槐
俞满法
石旭中
陈海飞
徐亚萍
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Newsun-Xintianlong Precision Manufacturing Ltd
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Newsun-Xintianlong Precision Manufacturing Ltd
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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
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/13—Internal diameters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

本发明公开了一种智能化轴承套圈的质量监测装置，包括机箱、固定在机箱机体一侧的支撑架、驱动机箱顶部转盘转动的电机、通过支撑架上下固定在转盘之上的两组测量器、以及固定在支撑架上的显示屏和控制器，所述转盘的顶部中央设有若干组夹紧器，所述测量器包括电阻箱和卡尺，所述卡尺包括主尺、固定在主尺一端的定副尺、通过滑套沿着主尺移动的动副尺、固定在定副尺和动副尺之间的弹簧，所述主尺和滑套上分别设有长度刻度，所述在主尺固定在电阻箱的壳体上，所述滑套的顶端固定在电阻箱内滑动变阻器的滑片上，所述电阻箱、电机以及显示屏分别与控制器电连接，结构简单，能够多点、快速、精确测试轴承套圈内径和外径。

The invention discloses an intelligent bearing ring quality monitoring device, comprising a chassis, a support frame fixed on one side of the chassis body, a motor driving a turntable on the top of the chassis to rotate, two groups of measuring instruments fixed on the turntable up and down through the support frame, and a display screen and a controller fixed on the support frame. A plurality of groups of clamps are arranged at the top center of the turntable. The measuring instruments comprise a resistance box and a caliper. The caliper comprises a main scale, a fixed sub-scale fixed at one end of the main scale, a dynamic sub-scale moving along the main scale through a sliding sleeve, and a spring fixed between the fixed sub-scale and the dynamic sub-scale. Length scales are respectively arranged on the main scale and the sliding sleeve. The main scale is fixed on a housing of the resistance box. The top end of the sliding sleeve is fixed on a sliding piece of a sliding rheostat in the resistance box. The resistance box, the motor and the display screen are respectively electrically connected to the controller. The structure is simple and the inner diameter and outer diameter of the bearing ring can be tested at multiple points, quickly and accurately.

Description

Intelligent bearing ring's quality monitoring device
[ Field of technology ]
The invention relates to the technical field of bearings, in particular to the technical field of an intelligent bearing ring quality monitoring device.
[ Background Art ]
The bearing is an important basic part of various mechanical equipment, and the precision, performance, service life and reliability of the bearing play a decisive role in the precision, performance, service life and reliability of a host, so that the bearing needs to be detected when being processed, assembled and delivered to the factory, and the size of the bearing is ensured to be strictly controlled within a required tolerance range. The existing bearing size measuring instrument mostly adopts sensing electronic measurement, and has high instrument cost, more accessory equipment and inconvenient maintenance.
[ Invention ]
The invention aims to solve the problems in the prior art, and provides an intelligent quality monitoring device for a bearing ring, which has a simple structure and can be used for testing the inner diameter and the outer diameter of the bearing ring in a multipoint, rapid and accurate manner.
In order to achieve the above purpose, the invention provides a quality monitoring device of an intelligent bearing ring, which comprises a case, a support frame fixed on one side of a case body, a motor for driving a turntable at the top of the case to rotate, two groups of measuring devices fixed on the turntable up and down through the support frame, and a display screen and a controller which are fixed on the support frame, wherein the center of the top of the turntable is provided with a plurality of groups of clamping devices, the measuring devices comprise a resistor box and a caliper, the caliper comprises a main scale, a fixed auxiliary scale fixed on one end of the main scale, a movable auxiliary scale moving along the main scale through a sliding sleeve, and springs fixed between the fixed auxiliary scale and the movable auxiliary scale, length scales are respectively arranged on the main scale and the sliding sleeve, the main scale is fixed on a shell of the resistor box, the top end of the sliding sleeve is fixed on a sliding sheet of a sliding rheostat in the resistor box, and the resistor box, the motor and the display screen are respectively electrically connected with the controller.
Preferably, the plurality of clamping devices are arranged around the central axis of the turntable, and each clamping device comprises a first protruding block fixed on the top surface of the turntable, a first bolt screwed into a threaded hole of the first protruding block, and a clamping block fixed at the bottom end of a screw rod of the first bolt.
Preferably, a test circuit formed by connecting a power supply, a switch, an ammeter and a slide rheostat in series is arranged in the resistor box.
Preferably, the support frame is close to the horizontal first horizontal pole and the second horizontal pole about one side of carousel, the resistance box passes through the slider and slides respectively and fix in the spout of first horizontal pole and second horizontal pole bottom surface, first horizontal pole and second horizontal pole bottom surface just are located the both sides department of resistance box and are equipped with the second lug and screw in the second bolt of the screw hole of second lug respectively.
Preferably, the calipers of the upper and lower groups of the measurers are respectively vertically and horizontally fixed on the resistor box, the spring in the caliper at the upper side pushes the movable auxiliary scale to be far away from the fixed auxiliary scale, and the spring in the caliper at the lower side pulls the movable auxiliary scale to be close to the fixed auxiliary scale.
The invention has the advantages that the movable auxiliary ruler is pushed or pulled by the spring to be far away from or close to the fixed auxiliary ruler until the movable auxiliary ruler and the fixed auxiliary ruler which are positioned inside and outside the bearing to be detected are respectively clamped at two ends of the inner wall or the outer wall, the sliding sheets with the sliding varistors move in the movement process of the movable auxiliary ruler to change the resistance value of the sliding varistors, so that the inner diameter and the outer diameter of the bearing to be detected are obtained through the reverse thrust of the current, the sliding sleeve is driven to move along the main ruler in the movement process of the movable auxiliary ruler, the inner diameter and the outer diameter of the bearing to be detected are obtained through the length scales, the accuracy of data is judged, and the turntable is driven by a motor to rotate for a certain angle, so that the bearing to be detected is driven to rotate for a certain angle, and multi-point measurement is realized.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a front view of an intelligent bearing ring quality monitoring apparatus of the present invention with a first bolt and a first bump removed;
FIG. 2 is a top view of a turntable of an intelligent bearing ring quality monitoring apparatus of the present invention;
FIG. 3 is a schematic diagram of the operation of a caliper on the upper side of an intelligent bearing ring quality monitoring device of the present invention;
fig. 4 is a schematic working diagram of a caliper on the underside of an intelligent bearing ring quality monitoring device according to the present invention.
In the figure, a 1-case, a 11-turntable, a 12-clamp, a 121-first bolt, a 122-first lug, a 123-clamping block, a 3-caliper, a 31-main scale, a 32-fixed auxiliary scale, a 33-sliding sleeve, a 34-movable auxiliary scale, a 35-spring, a 4-support frame, a 41-first cross bar, a 42-second bolt, a 43-second lug, a 44-second cross bar, a 5-resistor box, a 7-, motor, an 8-display screen and a 9-controller are arranged.
[ Detailed description ] of the invention
Referring to fig. 1 to 4, the quality monitoring device of an intelligent bearing ring of the invention comprises a case 1, a support frame 4 fixed on one side of the case 1, a motor 7 driving a turntable 11 at the top of the case 1 to rotate, two groups of measuring devices fixed on the turntable 11 up and down through the support frame 4, a display screen 8 and a controller 9 fixed on the support frame 4, wherein the center of the top of the turntable 11 is provided with a plurality of groups of clamping devices 12, the measuring devices comprise a resistor box 5 and a caliper 3, the caliper 3 comprises a main rule 31, a fixed auxiliary rule 32 fixed on one end of the main rule 31, a movable auxiliary rule 34 moving along the main rule 31 through a sliding sleeve 33, a spring 35 fixed between the fixed auxiliary rule 32 and the movable auxiliary rule 34, length scales are respectively arranged on the main rule 31 and the sliding sleeve 33, the main rule 31 is fixed on a shell of the resistor box 5, the top end of the sliding sleeve 33 is fixed on a sliding sheet of a sliding rheostat in the resistor box 5, the motor 7 and the display screen 8 are respectively and electrically connected with the controller 9, a plurality of clamps 12 are arranged around the central axis of the turntable 11, the clamps 12 comprise a first bump 122 fixed on the top surface of the turntable 11, a first bolt 121 screwed into a threaded hole of the first bump 122 and a clamping block 123 fixed on the bottom end of the first bolt 121, a test circuit formed by connecting a power supply, a switch, an ammeter and the sliding rheostat in series is arranged in the resistor box 5, a first cross rod 41 and a second cross rod 44 are horizontally arranged on one side of the supporting frame 4 close to the turntable 11 up and down, the resistor box 5 is respectively and slidably fixed in a sliding groove on the bottom surfaces of the first cross rod 41 and the second cross rod 44 through a sliding block, the first cross bar 41 and the second cross bar 44 are provided with a second bump 43 and a second bolt 42 screwed into a threaded hole of the second bump 43 at two sides of the bottom surface of the resistor box 5, the calipers 3 of the upper and lower groups of the measurers are respectively fixed on the resistor box 5 vertically and horizontally, the spring 35 in the calipers 3 positioned at the upper side pushes the movable auxiliary ruler 34 to be far away from the fixed auxiliary ruler 32, and the spring 35 in the calipers 3 positioned at the lower side pulls the movable auxiliary ruler 34 to be close to the fixed auxiliary ruler 32.
The working process of the invention comprises the following steps:
Firstly, the movable auxiliary ruler 34 and the fixed auxiliary ruler 32 of the caliper 3 positioned at the upper side are inserted into a central through hole of a bearing to be detected, then the movable auxiliary ruler 34 of the caliper 3 positioned at the lower side is pulled away from the fixed auxiliary ruler 32 to form a gap, the bearing to be detected passes through the gap, then the bearing to be detected is placed between clamping blocks 123 of a plurality of clamps 12, a first bolt 121 is rotated, and the clamping blocks 123 are pushed to move towards the center, so that the bearing to be detected is clamped. Then, the second bolt 42 is rotated to push the upper and lower resistor boxes 5 to move along the sliding grooves in the first and second cross bars 41 and 44, respectively, so that the movable auxiliary scales 34 of the upper and lower calipers 3 respectively abut against one sides of the inner wall and the outer wall of the bearing to be detected. When the movable auxiliary ruler 34 and the fixed auxiliary ruler 32 of the caliper 3 are contacted, the resistance value of the slide rheostat is 0, and the reading of the caliper 3 is 0. The spring 35 of the caliper 3 positioned at the upper side automatically pushes the movable auxiliary ruler 34 to move to the side far away from the fixed auxiliary ruler 32 until the movable auxiliary ruler 34 abuts against the other side of the inner wall of the bearing to be detected due to elastic force, and the spring 35 of the caliper 3 positioned at the lower side automatically pulls the movable auxiliary ruler 34 to move to the side close to the fixed auxiliary ruler 32 until the inner side of the movable auxiliary ruler 34 abuts against the other side of the outer wall of the bearing to be detected due to elastic force. In the process, the moving movable auxiliary ruler 34 drives the sliding sheet to move, and the resistance value of the sliding resistance box is gradually changed, so that the current value of the test circuit is gradually changed. The controller 9 obtains the inner diameter and the outer diameter of the bearing to be detected by reversely pushing the moving distance of the sliding vane according to the obtained current value of the test circuit, and displays the inner diameter and the outer diameter on the display screen 8. The inner diameter of the bearing to be detected, that is, the moving distance of the slide piece of the slide rheostat located at the upper side, the sum of the width of the movable sub-scale 34 and the width of the fixed sub-scale 32, and the outer diameter of the bearing to be detected, that is, the moving distance of the slide piece of the slide rheostat located at the lower side. Meanwhile, the accuracy of the obtained inner and outer diameter data of the bearing to be detected can be checked through the length scales on the main scale 31 and the sliding sleeve 33. Then, the turntable 11 is driven by the motor 7 to rotate by a certain angle to drive the bearing to be detected to rotate by a certain angle, so that the inner diameter and the outer diameter of the bearing to be detected are tested at multiple points, and the average value of the inner diameter and the outer diameter is obtained.
The invention pushes or pulls the movable auxiliary ruler to be far away from or close to the fixed auxiliary ruler through a spring until the movable auxiliary ruler and the fixed auxiliary ruler which are positioned inside and outside the bearing to be detected respectively clamp the two ends of the inner wall or the outer wall, the sliding sheet with the sliding rheostat moves in the moving process of the movable auxiliary ruler to change the resistance value of the sliding rheostat, so that the inner diameter and the outer diameter of the bearing to be detected are obtained through the reverse thrust of the current, the sliding sleeve is driven to move along the main ruler in the moving process of the movable auxiliary ruler, the inner diameter and the outer diameter of the bearing to be detected are obtained through the length scales, the accuracy of data is judged, and the turntable is driven by a motor to rotate for a certain angle, so that the bearing to be detected is driven to rotate for a certain angle, and multipoint measurement is realized.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.

Claims (3)

1.一种智能化轴承套圈的质量监测装置，其特征在于：包括机箱（1）、固定在机箱（1）机体一侧的支撑架（4）、驱动机箱（1）顶部转盘（11）转动的电机（7）、通过支撑架（4）上下固定在转盘（11）之上的两组测量器、以及固定在支撑架（4）上的显示屏（8）和控制器（9），所述转盘（11）的顶部中央设有若干组夹紧器（12），所述测量器包括电阻箱（5）和卡尺（3），所述卡尺（3）包括主尺（31）、固定在主尺（31）一端的定副尺（32）、通过滑套（33）沿着主尺（31）移动的动副尺（34）、固定在定副尺（32）和动副尺（34）之间的弹簧（35），所述主尺（31）和滑套（33）上分别设有长度刻度，所述主尺（31）固定在电阻箱（5）的壳体上，所述滑套（33）的顶端固定在电阻箱（5）内滑动变阻器的滑片上，所述电阻箱（5）、电机（7）以及显示屏（8）分别与控制器（9）电连接，所述支撑架（4）靠近转盘（11）的一侧上下水平设有第一横杆（41）和第二横杆（44），所述电阻箱（5）通过滑块分别滑动固定在第一横杆（41）和第二横杆（44）底面的滑槽内，所述第一横杆（41）和第二横杆（44）底面且位于电阻箱（5）的两侧处分别设有第二凸块（43）以及旋入第二凸块（43）的螺纹孔内的第二螺栓（42），上下两组所述测量器的卡尺（3）分别竖直和水平固定在电阻箱（5）上，位于上侧的卡尺（3）内的弹簧（35）推动动副尺（34）远离定副尺（32），位于下侧的卡尺（3）内的弹簧（35）拉动动副尺（34）靠近定副尺（32）。1. An intelligent bearing ring quality monitoring device, characterized in that it comprises a chassis (1), a support frame (4) fixed to one side of the chassis (1), a motor (7) driving a turntable (11) on the top of the chassis (1) to rotate, two sets of measuring instruments fixed on the turntable (11) by the support frame (4), and a display screen (8) and a controller (9) fixed to the support frame (4), wherein a plurality of clamps (12) are provided at the top center of the turntable (11), and the measuring instruments are arranged on the top center of the turntable (11). The device comprises a resistance box (5) and a caliper (3), wherein the caliper (3) comprises a main scale (31), a fixed sub-scale (32) fixed to one end of the main scale (31), a movable sub-scale (34) moving along the main scale (31) via a sliding sleeve (33), and a spring (35) fixed between the fixed sub-scale (32) and the movable sub-scale (34), wherein the main scale (31) and the sliding sleeve (33) are respectively provided with length scales, the main scale (31) is fixed to a housing of the resistance box (5), and the sliding sleeve (33) is provided with a spring (35) between the fixed sub-scale (32) and the movable sub-scale (34). The top of the resistor box (5) is fixed on the slider of the sliding rheostat in the resistor box (5), the resistor box (5), the motor (7) and the display screen (8) are respectively electrically connected to the controller (9), and a first cross bar (41) and a second cross bar (44) are horizontally arranged on the upper and lower sides of the support frame (4) near the turntable (11). The resistor box (5) is slidably fixed in the sliding grooves on the bottom surfaces of the first cross bar (41) and the second cross bar (44) through the sliders. The first cross bar (41) and the second cross bar (44) are respectively ) and are located on both sides of the resistance box (5), respectively, with second protrusions (43) and second bolts (42) screwed into threaded holes of the second protrusions (43). The upper and lower groups of calipers (3) of the measuring device are respectively fixed vertically and horizontally on the resistance box (5). The spring (35) in the caliper (3) on the upper side pushes the movable secondary scale (34) away from the fixed secondary scale (32), and the spring (35) in the caliper (3) on the lower side pulls the movable secondary scale (34) close to the fixed secondary scale (32). 2.如权利要求1所述的一种智能化轴承套圈的质量监测装置，其特征在于：若干个所述夹紧器（12）环绕转盘（11）的中轴线设置，所述夹紧器（12）包括固定在转盘（11）顶面的第一凸块（122）、旋入第一凸块（122）的螺纹孔内的第一螺栓（121）以及固定在第一螺栓（121）螺杆底端的卡块（123）。2. An intelligent bearing ring quality monitoring device as described in claim 1, characterized in that: a plurality of the clamps (12) are arranged around the central axis of the turntable (11), and the clamps (12) include a first protrusion (122) fixed to the top surface of the turntable (11), a first bolt (121) screwed into the threaded hole of the first protrusion (122), and a clamping block (123) fixed at the bottom end of the screw of the first bolt (121). 3.如权利要求1所述的一种智能化轴承套圈的质量监测装置，其特征在于：所述电阻箱（5）内设有由电源、开关、电流表和滑动变阻器串连连接而形成的测试电路。3. An intelligent bearing ring quality monitoring device as claimed in claim 1, characterized in that: the resistance box (5) is provided with a test circuit formed by a power supply, a switch, an ammeter and a sliding rheostat connected in series.
CN201910928678.9A 2019-09-28 2019-09-28 An intelligent bearing ring quality monitoring device Active CN110701980B (en)

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WO2022082413A1 (en) * 2020-10-20 2022-04-28 浙江环宇轴承有限公司 Bearing machining apparatus with high measurement accuracy
CN113358078B (en) * 2021-04-30 2023-01-20 中车青岛四方机车车辆股份有限公司 Bearing size detection system
CN114646256A (en) * 2022-05-13 2022-06-21 张家港保税区亚鑫精密制管有限公司 Shock absorber cylinder hole precision detection device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211012776U (en) * 2019-09-28 2020-07-14 新昌新天龙纽尚精密轴承有限公司 Intelligent quality monitoring device for bearing ring

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000065504A (en) * 1998-08-17 2000-03-03 Sanyo Special Steel Co Ltd Ring inspection tool for bearings
CN205607303U (en) * 2016-03-23 2016-09-28 新昌新天龙纽尚精密轴承有限公司 Outer lane combination detection device in bearing
CN209399960U (en) * 2019-01-01 2019-09-17 洛阳联慧精密机械电子有限公司 A kind of system measuring the inside and outside diameter of bearing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211012776U (en) * 2019-09-28 2020-07-14 新昌新天龙纽尚精密轴承有限公司 Intelligent quality monitoring device for bearing ring

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