CN203837683U - Full-automatic inner diameter, outer chamfer and height detection device for deep groove ball bearing - Google Patents

Full-automatic inner diameter, outer chamfer and height detection device for deep groove ball bearing Download PDF

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Publication number
CN203837683U
CN203837683U CN201420188285.1U CN201420188285U CN203837683U CN 203837683 U CN203837683 U CN 203837683U CN 201420188285 U CN201420188285 U CN 201420188285U CN 203837683 U CN203837683 U CN 203837683U
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CN
China
Prior art keywords
chamfering
cylinder
plate
measuring
spring support
Prior art date
Application number
CN201420188285.1U
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Chinese (zh)
Inventor
程江
毛旭峰
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新昌县迅达机械有限公司
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Priority to CN201420188285.1U priority Critical patent/CN203837683U/en
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Publication of CN203837683U publication Critical patent/CN203837683U/en

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Abstract

The utility model relates to a full-automatic inner diameter, outer chamfer and height detection device for a deep groove ball bearing, which is characterized in that the middle part of a base is provided with a center plate, the upper part of the center plate is provided with a chamfer measuring device, two sides of the center plate are provided with an inner diameter measuring device and a height measuring device respectively, a measured product is arranged on a sliding rail between the inner diameter measuring device and the height measuring device, the sliding rail is fixedly connected with the center plate, and a chamfer measuring device is arranged above the measured product. Compared with manual detection, the full-automatic inner diameter, outer chamfer and height detection device can complete detection efficiently, adjusts the measurement size of products through adjusting screws and adjusting cushion blocks, and can be applicable to measurement for different types of bearings. Each of the products gets into a detecting position, detection for an outer chamfer of a bearing can be realized through matching a chamfer follower plate with a chamfer measuring meter, the inner diameter is detected through matching a measuring bar with an inner diameter radial direction measuring meter, the height of the product is detected through matching a height measuring meter with a height measuring guide rail, measuring points are basically kept to be consistent at each time, and the detection precision is high.

Description

Deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device
Technical field
The utility model relates to a kind of deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device.
Background technology
Deep groove ball bearing need to detect the parameters of bearing when producing, and then judge that whether product is qualified, wherein internal diameter, outer chamfering and be highly all very important parameter, because processing technology is different, cause the bearing parameter may be undesirable or inconsistent, therefore need to measure deep groove ball bearing parameters, and then guarantee qualified product.Existing internal diameter, outer chamfering and height detection are all manually to detect, and detection efficiency is not high, while detecting, can not accurately guarantee each measurement consistance simultaneously.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide the technical scheme of a kind of deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, comprise base, it is characterized in that described base middle part arranges central plate, central plate top arranges chamfering measurement mechanism, the both sides of central plate arrange inner diameter measuring device and height measuring device, test product is arranged on the slide rail between inner diameter measuring device and height measuring device, and slide rail is fixedly connected with central plate, and chamfering measurement mechanism is arranged on the top of test product.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, it is characterized in that described chamfering measurement mechanism comprises chamfering measurement cylinder block, chamfering is measured cylinder, linear bearing, radial guidance, moving head, chamfering meter and chamfering are measured piece, described central plate top arranges chamfering and measures cylinder block, on chamfering measurement cylinder block, chamfering is set and measures cylinder, the chamfering measurement cylinder rod that chamfering is measured cylinder is connected with radial guidance by lower platen, radial guidance is arranged in linear bearing, linear bearing is located by the linear axis bearing being arranged on central plate, the lower end of radial guidance is connected by screw one end of moving head, on central plate, be provided with the first through hole moving up and down for moving head, moving head is horizontally through the first through hole, moving other end below is connected by screw chamfering and measures piece, chamfering measure piece be positioned at test product directly over, the moving head top connection that connects chamfering measurement piece one end arranges chamfering guide rail, chamfering guide rail top connects chamfering and measures gauge stand, chamfering is measured on gauge stand chamfering meter is set, described chamfering guide rail arranges chamfering linear bearing outward, on chamfering linear bearing, be provided with chamfering and follow plate, on the chamfering guide rail between chamfering linear bearing and chamfering measurement gauge stand, socket arranges back-moving spring.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, it is characterized in that described inner diameter measuring device comprises measurement cylinder, measure cylinder mounting plate, follow plate, side cylinder, V-type side slide, roller, upper spring support, lower spring support, latch plate, internal diameter radial measurement table and measuring stick, measuring cylinder mounting plate is fixedly installed on base, measuring cylinder is arranged on measurement cylinder mounting plate, the measurement cylinder rod end of measuring cylinder with follow plate and be connected, following plate is slidably arranged on the guide rail of measuring between cylinder mounting plate and central plate, the described plate front of following is spirally connected side cylinder mounting plate is set, side cylinder is arranged on side cylinder mounting plate, the side of following plate is spirally connected upper spring support and the lower spring support that structure is identical is set, between upper spring support and lower spring support, be provided with gap, upper spring support and lower spring support are all divided into two parts by latch plate, away from upper spring support and the lower spring support front of following plate, all by coupling shaft, one roller is set, the V-type side slide that two rollers are connected by the side cylinder rod with side cylinder is spacing, side cylinder rod and upper spring support be arranged in parallel, described upper spring support and lower spring support side away from following plate are provided with measuring stick, the interlocking of measuring stick one end is in upper spring support and lower spring support, the measuring stick other end is unsettled and match with test product through the second through hole of central plate, above following the upper spring support of plate, internal diameter radial measurement table is being set.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, it is characterized in that described height measuring device comprises highly measures cylinder, highly measure cylinder mount pad, highly measure and follow plate, highly measure guide rail, altitude location piece and height meter, highly measuring cylinder mount pad is arranged on base, highly measuring cylinder is arranged on and highly measures on cylinder mount pad, the height measurement cylinder rod end of highly measuring cylinder connects highly to be measured and follows plate, highly measure and follow plate and be slidably arranged on the guide rail of highly measuring between cylinder mount pad and central plate, highly measure and follow plate upper end by highly measuring guide rail connection altitude location piece, altitude location piece touches cooperation test product, described height is measured cylinder mount pad upper end and is provided with height meter mount pad, height meter is set on height meter mount pad, height meter with highly measure guide rail match detection test product height.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, is characterized in that described chamfering measures piece lower end and be arranged to the structure identical with test product outer rim.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, described in it is characterized in that, following plate top is spirally connected adjusting cushion block is set, regulate on cushion block and be provided with adjusting screw(rod), adjusting screw(rod) lower end with closely follow the upper spring support threaded of plate end.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, is characterized in that the spacing between the measuring stick on described upper spring support and lower spring support is less than the internal diameter of test product.
Described deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, is characterized in that described upper spring support and lower spring support all can regulate following on plate vertical direction.
Compare with manual detection, the utility model can complete testing efficiently, can and regulate cushion block to regulate product measurement size by adjusting screw(rod), go for the measurement of variety classes bearing, each product introduction detecting position can be followed plate by chamfering and be coordinated the detection that realizes the outer chamfering of bearing with chamfering meter, by measuring stick and internal diameter radial measurement table, coordinate to detect internal diameter, by height meter and the height that coordinates to come testing product of highly measuring guide rail, each measuring point is consistent substantially, and accuracy of detection is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of test product;
In figure: 1-base, 2-central plate, 3-measures cylinder mounting plate, 4-measures cylinder, 5-measures cylinder rod, 6-follows plate, 7-guide rail, 8-side cylinder mounting plate, 9-side cylinder, 10-side cylinder rod, 11-regulates cushion block, 12-adjusting screw(rod), 13-upper spring support, 14-lower spring support, 15-latch plate, 16-V-type side slide, 17-roller, 18-measuring stick, 19-test product, 20-the first through hole, 21-the second through hole, 22-chamfering is measured cylinder block, 23-chamfering is measured cylinder, 24-chamfering is measured cylinder rod, 25-lower platen, 26-linear bearing, 27-linear axis bearing, 28-radial guidance, 29-moves head, 30-internal diameter radial measurement table, 31-slide rail, 32-chamfering is measured piece, 33-chamfering linear bearing, 34-chamfering is followed plate, 35-chamfering guide rail, 36-back-moving spring, 37-chamfering is measured gauge stand, 38-chamfering meter, 39-highly measures cylinder, 40-highly measures cylinder rod, 41-highly measures cylinder mount pad, 42-height meter mount pad, 43-height meter, 44-highly measures and follows plate, 45-highly measures guide rail, 46-height measurement and positioning piece, b-internal diameter, c-height, the outer chamfering of d-.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail:
Deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, comprise base 1, base 1 middle part arranges central plate 2, central plate 2 tops arrange chamfering measurement mechanism, the both sides of central plate 2 arrange inner diameter measuring device and height measuring device, test product 19 is arranged on the slide rail 31 between inner diameter measuring device and height measuring device, and slide rail 31 is fixedly connected with central plate 2, and chamfering measurement mechanism is arranged on the top of test product 19.
Above-mentioned chamfering measurement mechanism comprises chamfering measurement cylinder block 22, chamfering is measured cylinder 23, linear bearing 26, radial guidance 28, moving 29, chamfering meter 38 and chamfering are measured piece 32, central plate 2 tops arrange chamfering and measure cylinder block 22, on chamfering measurement cylinder block 22, chamfering is set and measures cylinder 23, the chamfering measurement cylinder rod 24 that chamfering is measured cylinder is connected with radial guidance 28 by lower platen 25, radial guidance 28 is arranged in linear bearing 26, linear bearing 26 is by being arranged on linear axis bearing 27 location on central plate 2, the lower end of radial guidance 28 is connected by screw one end of moving 29, on central plate 2, be provided with for moving 29 the first through holes 20 that move up and down, be horizontally through the first through hole 21 for moving 29, moving 29 other end belows are connected by screw chamfering and measure piece 32, chamfering measure piece 32 be positioned at test product 19 directly over, chamfering is measured piece 32 lower ends and is arranged to the structure identical with test product 19 outer rims, the moving head top connection that connects chamfering measurement piece 32 one end arranges chamfering guide rail 35, chamfering guide rail 35 tops connect chamfering and measure gauge stand 37, chamfering is measured on gauge stand 37 chamfering meter 38 is set, the outer chamfering linear bearing 33 that arranges of chamfering guide rail 35, on chamfering linear bearing 33, be provided with chamfering and follow plate 34, on the chamfering guide rail 35 between chamfering linear bearing 33 and chamfering measurement gauge stand 37, socket arranges back-moving spring 36.
Above-mentioned inner diameter measuring device comprises measures cylinder 4, measure cylinder mounting plate 3, follow plate 6, side cylinder 9, V-type side slide 16, roller 17, upper spring support 13, lower spring support 14, latch plate 15, internal diameter radial measurement table 30 and measuring stick 18, measuring cylinder mounting plate 3 is fixedly installed on base 1, measuring cylinder 4 is arranged on measurement cylinder mounting plate 3, measurement cylinder rod 5 ends of measuring cylinder with follow plate 6 and be connected, following plate 6 is slidably arranged on the guide rail 7 of measuring between cylinder mounting plate 3 and central plate 2, following plate 6 fronts is spirally connected side cylinder mounting plate 8 is set, side cylinder 9 is arranged on side cylinder mounting plate 8, the side of following plate 6 is spirally connected upper spring support 13 and the lower spring support 14 that structure is identical is set, between upper spring support 13 and lower spring support 14, be provided with gap, upper spring support 13 and lower spring support 14 are all divided into two parts by latch plate 15, away from upper spring support 13 and lower spring support 14 fronts of following plate 6, all by coupling shaft, one roller 17 is set, the V-type side slide 16 that two rollers 17 are connected by the side cylinder rod 10 with side cylinder is spacing, side cylinder rod 10 be arranged in parallel with upper spring support 13, away from upper spring support 13 and lower spring support 14 sides of following plate 6, be provided with measuring stick 18, measuring stick 18 one end interlockings are in upper spring support 13 and lower spring support 14, measuring stick 18 other ends are unsettled and match with test product 19 through the second through hole 21 of central plate, above following the upper spring support 13 of plate 6, internal diameter radial measurement table 30 is being set, internal diameter radial measurement table 30, coordinate the internal diameter of test product is measured with measuring stick 18.
In order to adapt to Multiple Type product, follow plate 6 tops and be spirally connected to arrange and regulate cushion block 11, regulate on cushion block 11 and be provided with adjusting screw(rod) 12, adjusting screw(rod) 12 lower ends with closely follow upper spring support 13 threaded of plate end; Upper spring support 13 and lower spring support 14 all can regulate following on plate vertical direction, in the time of need to regulating measurement size, first by following on plate the fixedly screw of upper spring support, unclamp, then turn adjusting screw(rod) regulates the position of upper spring support, suitable after by the urgent location of screw of following on plate.
In order to guarantee that product can normally measure, while adjusting the position of upper spring support, need to guarantee that the spacing between the measuring stick on upper spring support and lower spring support is less than the internal diameter of test product.
Above-mentioned height measuring device comprises highly measures cylinder 39, highly measure cylinder mount pad 41, highly measure and follow plate 44, highly measure guide rail 45, altitude location piece 46 and height meter 43, highly measuring cylinder mount pad 41 is arranged on base 1, highly measuring cylinder 39 is arranged on and highly measures on cylinder mount pad 41, height measurement cylinder rod 40 ends of highly measuring cylinder connect highly to be measured and follows plate 44, highly measure and follow plate 44 and be slidably arranged on the guide rail of highly measuring between cylinder mount pad 41 and central plate 2, highly measure and follow plate 44 upper ends by highly measuring guide rail 45 connection altitude location pieces 46, altitude location piece 46 touches cooperation test product, highly measure cylinder mount pad 41 upper ends and be provided with height meter mount pad 42, height meter 43 is set on height meter mount pad 42, height meter 43 with highly measure guide rail 45 match detection test product height.
Whether internal diameter of the present utility model, outer chamfering and height detection only testing product be qualified, do not go its size of Measurement accuracy, what therefore internal diameter radial measurement table detected is the actuating range of measuring stick, as long as in the scope of setting, product is qualified, the initial position of measuring stick and sensing range were all passed through standard component and are tested in advance before measuring specific product; The outer chamfering of product is similar to inner diameter measurement with height detection, is all only to detect an actuating range, and the size of not removing Measurement accuracy product, as long as in the scope of setting, product is qualified.Pick-up unit of the present utility model is all applicable to the inner ring of deep groove ball bearing and outer ring.
Fig. 2 shows the position of internal diameter b, height c and outer chamfering d.Internal diameter radial measurement table of the present utility model, chamfering meter and height meter all adopt the detection table that the model of Keyemce is GHT10.
Principle of work of the present utility model:
1. outer chamfering detects
When test product flows to slide rail by material road, chamfering is measured cylinder and is moved downwards, by chamfering, measure cylinder rod, the cooperation of lower platen and chamfering guide rail, make moving head have downward action, chamfering on moving head is measured also action downwards of piece, thereby compression product, chamfering meter is descending under chamfering guide rail drives simultaneously, and chamfering linear bearing and chamfering are followed plate and can be touched to the probe on reverse direction operation and chamfering meter, thereby complete the outer chamfering action of measurement products, displacement on chamfering meter is detection data, with this, judge that product has or not chamfering, whether qualified (because chamfering measurement piece inner structure is identical with test product outer rim structure, if therefore test product chamfering not, the operation stroke of chamfering measurement piece can be different, during detection, on chamfering meter, can reflect, and then can judge that according to the scope that detects data and whether meet specification product whether product is qualified),
2. height detection
Chamfering is measured piece and is compressed test product, now highly measure the measurement of cylinder action band dynamic height and follow plate action, highly plate is followed in measurement has an action forward by highly measuring guide rail drive altitude location piece, thereby compression product, assurance test product is motionless, the shift value of the height meter on height meter mount pad is exactly the height of this product, and judges that with this whether this product is qualified;
3. inner diameter measurement
When detecting height, the action of side cylinder, draws in V-type side slide two rollers in, and then drives the measuring stick on upper spring support and lower spring support to draw close, and prepares to enter test product inside; Then measure cylinder action, drive and follow plate to the motion of test product direction, upper spring support and the lower spring support of following on plate also move to test product direction, and action is delivered in measuring stick; After putting in place, side cylinder resets, V-type side slide is moved to side cylinder direction, make two rollers depart from V-type side slide, upper spring support and lower spring support reset (lever principle, one end maintains static) under latch plate elastic reaction, and then make also expansion up and down of measuring stick, measuring stick actuating quantity is delivered on internal diameter radial measurement table, thereby completes the work of measuring internal diameter.
If above 3 parameters have one defective, substandard product falls into defective box.
Compare with manual detection, the utility model can complete testing efficiently, can and regulate cushion block to regulate product measurement size by adjusting screw(rod), go for the measurement of variety classes bearing, each product introduction detecting position can be followed plate by chamfering and be coordinated the detection that realizes the outer chamfering of bearing with chamfering meter, by measuring stick and internal diameter radial measurement table, coordinate to detect internal diameter, by height meter and the height that coordinates to come testing product of highly measuring guide rail, each measuring point is consistent substantially, and accuracy of detection is high.

Claims (8)

1. deep groove ball bearing Full-automatic inside diameter, outer chamfering and height detecting device, comprise base, it is characterized in that described base middle part arranges central plate, central plate top arranges chamfering measurement mechanism, the both sides of central plate arrange inner diameter measuring device and height measuring device, test product is arranged on the slide rail between inner diameter measuring device and height measuring device, and slide rail is fixedly connected with central plate, and chamfering measurement mechanism is arranged on the top of test product.
2. deep groove ball bearing Full-automatic inside diameter according to claim 1, outer chamfering and height detecting device, it is characterized in that described chamfering measurement mechanism comprises chamfering measurement cylinder block, chamfering is measured cylinder, linear bearing, radial guidance, moving head, chamfering meter and chamfering are measured piece, described central plate top arranges chamfering and measures cylinder block, on chamfering measurement cylinder block, chamfering is set and measures cylinder, the chamfering measurement cylinder rod that chamfering is measured cylinder is connected with radial guidance by lower platen, radial guidance is arranged in linear bearing, linear bearing is located by the linear axis bearing being arranged on central plate, the lower end of radial guidance is connected by screw one end of moving head, on central plate, be provided with the first through hole moving up and down for moving head, moving head is horizontally through the first through hole, moving other end below is connected by screw chamfering and measures piece, chamfering measure piece be positioned at test product directly over, the moving head top connection that connects chamfering measurement piece one end arranges chamfering guide rail, chamfering guide rail top connects chamfering and measures gauge stand, chamfering is measured on gauge stand chamfering meter is set, described chamfering guide rail arranges chamfering linear bearing outward, on chamfering linear bearing, be provided with chamfering and follow plate, on the chamfering guide rail between chamfering linear bearing and chamfering measurement gauge stand, socket arranges back-moving spring.
3. deep groove ball bearing Full-automatic inside diameter according to claim 1, outer chamfering and height detecting device, it is characterized in that described inner diameter measuring device comprises measurement cylinder, measure cylinder mounting plate, follow plate, side cylinder, V-type side slide, roller, upper spring support, lower spring support, latch plate, internal diameter radial measurement table and measuring stick, measuring cylinder mounting plate is fixedly installed on base, measuring cylinder is arranged on measurement cylinder mounting plate, the measurement cylinder rod end of measuring cylinder with follow plate and be connected, following plate is slidably arranged on the guide rail of measuring between cylinder mounting plate and central plate, the described plate front of following is spirally connected side cylinder mounting plate is set, side cylinder is arranged on side cylinder mounting plate, the side of following plate is spirally connected upper spring support and the lower spring support that structure is identical is set, between upper spring support and lower spring support, be provided with gap, upper spring support and lower spring support are all divided into two parts by latch plate, away from upper spring support and the lower spring support front of following plate, all by coupling shaft, one roller is set, the V-type side slide that two rollers are connected by the side cylinder rod with side cylinder is spacing, side cylinder rod and upper spring support be arranged in parallel, described upper spring support and lower spring support side away from following plate are provided with measuring stick, the interlocking of measuring stick one end is in upper spring support and lower spring support, the measuring stick other end is unsettled and match with test product through the second through hole of central plate, above following the upper spring support of plate, internal diameter radial measurement table is being set.
4. deep groove ball bearing Full-automatic inside diameter according to claim 1, outer chamfering and height detecting device, it is characterized in that described height measuring device comprises highly measures cylinder, highly measure cylinder mount pad, highly measure and follow plate, highly measure guide rail, altitude location piece and height meter, highly measuring cylinder mount pad is arranged on base, highly measuring cylinder is arranged on and highly measures on cylinder mount pad, the height measurement cylinder rod end of highly measuring cylinder connects highly to be measured and follows plate, highly measure and follow plate and be slidably arranged on the guide rail of highly measuring between cylinder mount pad and central plate, highly measure and follow plate upper end by highly measuring guide rail connection altitude location piece, altitude location piece touches cooperation test product, described height is measured cylinder mount pad upper end and is provided with height meter mount pad, height meter is set on height meter mount pad, height meter with highly measure guide rail match detection test product height.
5. deep groove ball bearing Full-automatic inside diameter according to claim 2, outer chamfering and height detecting device, is characterized in that described chamfering measures piece lower end and be arranged to the structure identical with test product outer rim.
6. deep groove ball bearing Full-automatic inside diameter according to claim 3, outer chamfering and height detecting device, described in it is characterized in that, following plate top is spirally connected adjusting cushion block is set, regulate on cushion block and be provided with adjusting screw(rod), adjusting screw(rod) lower end with closely follow the upper spring support threaded of plate end.
7. deep groove ball bearing Full-automatic inside diameter according to claim 3, outer chamfering and height detecting device, is characterized in that the spacing between the measuring stick on described upper spring support and lower spring support is less than the internal diameter of test product.
8. deep groove ball bearing Full-automatic inside diameter according to claim 3, outer chamfering and height detecting device, is characterized in that described upper spring support and lower spring support all can regulate following on plate vertical direction.
CN201420188285.1U 2014-04-17 2014-04-17 Full-automatic inner diameter, outer chamfer and height detection device for deep groove ball bearing CN203837683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420188285.1U CN203837683U (en) 2014-04-17 2014-04-17 Full-automatic inner diameter, outer chamfer and height detection device for deep groove ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420188285.1U CN203837683U (en) 2014-04-17 2014-04-17 Full-automatic inner diameter, outer chamfer and height detection device for deep groove ball bearing

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Publication Number Publication Date
CN203837683U true CN203837683U (en) 2014-09-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457658A (en) * 2014-12-16 2015-03-25 江苏天宏自动化科技有限公司 Automatic wheel hub cover opening height detection mechanism
CN104567768A (en) * 2015-01-08 2015-04-29 江苏天宏机械工业有限公司 Hub center hole and cover opening size detector
CN110530236A (en) * 2019-06-14 2019-12-03 安徽日飞轴承有限公司 A kind of rolling bearing outer diameter multi-section measuring device
CN110657731A (en) * 2019-09-18 2020-01-07 江苏理工学院 Measuring device and testing method for basic overall dimension of large bearing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457658A (en) * 2014-12-16 2015-03-25 江苏天宏自动化科技有限公司 Automatic wheel hub cover opening height detection mechanism
CN104567768A (en) * 2015-01-08 2015-04-29 江苏天宏机械工业有限公司 Hub center hole and cover opening size detector
CN104567768B (en) * 2015-01-08 2017-05-24 江苏天宏机械工业有限公司 Hub center hole and cover opening size detector
CN110530236A (en) * 2019-06-14 2019-12-03 安徽日飞轴承有限公司 A kind of rolling bearing outer diameter multi-section measuring device
CN110530236B (en) * 2019-06-14 2021-04-09 安徽日飞轴承有限公司 Multi-section measuring device for outer diameter of rolling bearing
CN110657731A (en) * 2019-09-18 2020-01-07 江苏理工学院 Measuring device and testing method for basic overall dimension of large bearing

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Granted publication date: 20140917

Termination date: 20160417