CN205049091U - Wheel hub bearing negative clearance detection device - Google Patents
Wheel hub bearing negative clearance detection device Download PDFInfo
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- CN205049091U CN205049091U CN201520834029.XU CN201520834029U CN205049091U CN 205049091 U CN205049091 U CN 205049091U CN 201520834029 U CN201520834029 U CN 201520834029U CN 205049091 U CN205049091 U CN 205049091U
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Abstract
The utility model relates to a wheel hub bearing negative clearance detection device, which comprises a frame, be equipped with the bearing axial compression fittings who is used for bearing axial loading in the frame, and exert the moment of torsion loading device who stirs the steel ball subassembly under the specified rotatory load, bearing axial compression fittings is including the dabber supporting frock that is used for bearing dabber locating support, and be used for fixing a position the frock to bearing inner race locating support's outer lane, outer lane location frock can be followed the axial with dabber supporting frock mutual disposition and keep away from each other, be close to, but have between outer lane location frock and the dabber supporting frock wheel hub bearing axial centre gripping and the flexible centre gripping space of axial, be equipped with the axially extended through -hole of stepping down in the frock of outer lane location, moment of torsion loading device includes steel ball shift fork and rotatory loading actuating mechanism, the steel ball shift fork is arranged in the through -hole of stepping down. The utility model discloses wheel hub bearing negative clearance detection device realizes the detection of bearing burden play, has simple structure, and detect operation is convenient, detects the advantage of stability and good reliability.
Description
Technical field
The utility model relates to Bearing testing equipment technical field, is specifically the checkout equipment carrying play for detecting hub spindle.
Background technology
Along with the fast development of auto manufacturing, third generation hub-bearing unit replaces the first generation and the second generation and the carrying become on automobile and driving member gradually.As shown in Figure 1,3rd band hub-bearing unit primary structure include bearing inner race 91(also referred to as mandrel), bearing outer ring 92, bearing inner race 91 and bearing outer ring 92 can be referred to as bearing ring, be provided with at least two row ball bearing between bearing outer ring 92 and bearing inner race 91, a row ball toward the outer side keeps 93 to remain in bearing through retainer.Third generation hub-bearing unit and first and second in generation hub bearing an important difference be that assembly parts generally have employed pretension and the negative play that formed, the stable when rationality of this play directly has influence on mission life and the automobilism of hub bearing.When negative play is inadequate, hub bearing easy looseness and form vibration under loaded state, causes vehicle to rock (affecting personal safety); When negative play is excessive, the contact stress of raceway can be caused excessive and produce early fatigue, causing vehicle abnormal sound; Two states is all unfavorable to the mission life of bearing.
The negative play of third generation hub bearing can not directly measure its play as first and second hub bearing in generation, in existing research data, also lacks the approach directly obtained third generation hub bearing play.
Summary of the invention
The present utility model object: for overcoming the defect that prior art exists, the utility model provides a kind of hub spindle to carry play checkout equipment, realizes the detection of bearing negative play, has structure simple, detect easy to operate, detect the advantage of stability and good reliability.
For achieving the above object, the utility model provides following technical scheme: a kind of hub spindle carries play checkout equipment, include frame, it is characterized in that: described frame is provided with for bearing shaft to the bearing shaft loaded to press fit device, and applying the torque loading device stirring steel ball component under specified spin load, described bearing shaft comprises the mandrel supporting tooling for bearing core shaft positioning support to press fit device, and for the outer ring positioning tool to bearing outer ring positioning support, described outer ring positioning tool and mandrel supporting tooling positioned opposite and can vertically mutual away from, close, have between outer ring positioning tool and mandrel supporting tooling that axially clamp hub bearing also can the grasping part of axial stretching, enclose in positioning tool outside and be provided with axially extended through hole of stepping down, described torque loading device includes steel ball shift fork, and drive the rotation load driver mechanism of steel ball shift fork, steel ball shift fork is placed in steps down in through hole.
Hub spindle carries play checkout equipment principle of work: hub bearing is placed in grasping part, grip through the axial press fit device of bearing and implement axial loading force, the mandrel of hub bearing supports through mandrel supporting tooling axial compression, the outer ring of hub bearing compresses supporting through outer ring positioning tool, under the effect of axial loading force, steel ball component trend departs from, namely be tending towards discharging negative play, when axially loading, the outside one row steel ball component of torque loading device to hub bearing applies the rotary torque of ratings, when the axial loading force that outer ring positioning tool and mandrel supporting tooling apply arrives certain value, torque loading device just also can rotate at least 90 ° by turning wheel hub bearing steel ball assembly, this axial holding force (also can be described as axial loading force) namely corresponds to the negative gap value of hub bearing.In the said equipment, the location that namely bearing axial loading device achieves hub bearing is fixed, and also plays the axis loading effect of the negative play of release simultaneously, has simple and compact for structure, easy to operate, the reliable advantage of testing result.
The utility model is set to further: described mandrel supporting tooling is connected with the lifting drive driving the lifting of mandrel supporting tooling, described outer ring positioning tool is fixedly mounted in frame, described rotation load driver mechanism includes to rotate and loads axle, and the rotation load driver parts driving steel ball shift fork to rotate, rotating load driver parts is fixedly mounted in frame, rotation loading axle drives with rotation load driver parts and is connected, rotating dynamic the fitting over of loading axle rotation steps down in through hole, and steel ball shift fork is arranged on to rotate and loads on axle.
By adopting technique scheme, mandrel supporting tooling is lifting, and outer ring positioning tool is fixing, facilitates torque loading device to coordinate with the installation of outer ring positioning tool, and structure is more compact.
The utility model is set to further: described mandrel supporting tooling is arranged in below the positioning tool of outer ring.
By adopting technique scheme, during detection, hub bearing picks and places more convenient.
The utility model is set to further: described outer ring positioning tool comprises the outer ring supporting base for hub bearing outer ring positioning support, and outer ring supporting base holder, outer ring supporting base holder is fixed in frame, and outer ring supporting base floats through axial elastic buffering mechanism and is arranged on the supporting base holder of outer ring.
By adopting technique scheme, outer ring positioning tool has certain axial buffer, make the holding action of hub bearing more stable, avoid directly impacting the damage causing equipment and hub bearing, when enclosing the outer ring supporting base contact hub bearing of positioning tool outside, elastic buffering mechanism realizes buffering, to hub bearing clamping and positioning in advance, carries out afterwards implementing more stable axially loading to hub bearing; Meanwhile, steel ball shift fork can enter slowly in hub bearing and coordinate with steel ball, and because hub bearing is pre-aligned, hub bearing initiatively caters to and enters steel ball shift fork position, makes steel ball shift fork to enter in hub bearing more reliably.
The utility model is set to further: described elastic buffering mechanism includes floating seat and volute spring, described outer ring supporting base holder is provided with movable chamber, floating seat to be arranged in movable chamber and can axial slip, between volute spring is located at bottom floating seat and movable chamber.
By adopting technique scheme, elastic buffering mechanism structure is simple, stable, easy for installation.
The utility model is set to further: described floating seat sidewall is detachably provided with slip guide block, and movable chamber circumferential side wall is provided with axial channel, and axial channel is the hollow slots of radial through floating seat, and slip guide block is slidably fitted in axial channel.
By adopting technique scheme, be convenient to floating seat dismounting; And movable chamber and axial channel realize Dual positioning guiding, the motion of floating seat is more reliable and stable.
The utility model is set to further: described outer ring supporting base includes tubular seat ring, tubular seat ring excircle is provided with mounting flange, mounting flange is positioned in the middle part of tubular seat ring, tubular seat ring comprises the location division being positioned at the axial side of mounting flange, and for the support of support cage bearing outer ring, the location division positioning and plug-in mounting of described outer ring supporting base is in floating seat, and the mounting flange of outer ring supporting base coordinates with the axial end of floating seat is spacing and is fixedly connected with.
By adopting technique scheme, outer ring supporting base carries out plug-in mounting location in advance through location division, and carries out spacing and fixing through mounting flange, easy for installation and solid and reliable
The utility model is set to further: described mandrel supporting tooling comprises inner ring supporting base, and inner ring supporting base mount pad, inner ring supporting base mount pad is fixedly mounted on lifting drive, described inner ring supporting base includes cylindrical body, the excircle of cylindrical body is provided with ring flange, ring flange is positioned in the middle part of cylindrical body, and cylindrical body comprises the termination, location being positioned at the axial side of ring flange, and for the supporting cylinder of support cage bearing ring.
By adopting technique scheme, outer ring supporting base is positioned by termination, location, and carries out spacing and fixing through mounting flange, easy for installation and solid and reliable.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is hub bearing structural representation;
Fig. 2 the utility model specific embodiment hub spindle carries play assay device structures schematic diagram;
Fig. 3 is part A partial enlarged view in Fig. 2.
Embodiment
As shown in Figures 2 and 3, disclosed in the utility model, a kind of hub spindle carries play checkout equipment, include frame 1, described frame 1 is provided with for bearing shaft to the bearing shaft loaded to press fit device, and applying the torque loading device 5 stirring steel ball component under specified spin load, described bearing shaft comprises the mandrel supporting tooling 2 for bearing core shaft positioning support to press fit device, and for the outer ring positioning tool 3 to bearing outer ring positioning support, described outer ring positioning tool 3 with mandrel supporting tooling 2 positioned opposite and can vertically mutual away from, close, have between outer ring positioning tool 3 and mandrel supporting tooling 2 that axially clamp hub bearing also can the grasping part of axial stretching, enclose in positioning tool 3 outside and be provided with axially extended through hole 31 of stepping down, described torque loading device 5 includes steel ball shift fork 51, and drive the rotation load driver mechanism of steel ball shift fork, steel ball shift fork 51 is placed in steps down in through hole 31.Steel ball shift fork 51 can adopt and directly coordinate realization to stir steel ball component with steel ball, also can adopt and coordinate realization to stir steel ball component with retainer, and preferential employing coordinates with retainer.
In this specific embodiment, described mandrel supporting tooling 2 is connected with the lifting drive 4 driving mandrel supporting tooling 2 to be elevated, described outer ring positioning tool 3 is fixedly mounted in frame 1, described rotation load driver mechanism includes to rotate and loads axle 52, and the rotation load driver parts 53 driving steel ball shift fork 51 to rotate, rotating load driver parts 53 is fixedly mounted in frame 1, rotation loading axle 52 drives with rotation load driver parts 53 and is connected, rotating dynamic the fitting over of loading axle 52 rotation steps down in through hole 31, and steel ball shift fork 51 is arranged on to rotate and loads on axle 52.Steel ball shift fork comprises installation sleeve, installation sleeve is extended with the tubular shift fork body of end belt moving tooth, and installation sleeve is sleeved on to rotate and loads on axle and spacing through spacing dististyle, screw locking afterwards.Rotate load driver parts 53 and preferentially adopt motor, motor is directly installed on outer ring positioning tool 3.Mandrel supporting tooling is lifting, and outer ring positioning tool is fixing, facilitates torque loading device to coordinate with the installation of outer ring positioning tool, and structure is more compact.Outer ring positioning tool can certainly be adopted for lifting, and mandrel supporting tooling is fixing structural design; Or both all adopt lifting design; But there is the defect of complex structure and poor stability in it.Described mandrel supporting tooling is arranged in below the positioning tool of outer ring.Can reuse the height space position on frame distance ground like this, realize the corresponding jacking gear mounting design of mandrel supporting tooling, and mandrel supporting tooling is lifting, is convenient to hub bearing and picks and places.
Stability is detected for improving, described outer ring positioning tool 3 comprises the outer ring supporting base 32 for hub bearing outer ring positioning support, and outer ring supporting base holder 33, outer ring supporting base holder 33 is fixed in frame 1, frame 1 is provided with mounting platform through column, mounting platform establishes mounting hole, and outer ring supporting base holder 33 is inserted into through screw locking in mounting hole, and outer ring supporting base 32 floats through axial elastic buffering mechanism and is arranged on outer ring supporting base holder 33.When outer ring supporting base contact hub bearing, there is certain axial buffer, make the holding action of hub bearing more stable, avoid directly impacting the damage causing equipment and hub bearing, to hub bearing clamping and positioning in advance, carry out afterwards implementing more stable axially loading to hub bearing; Meanwhile, steel ball shift fork can enter slowly in hub bearing and coordinate with steel ball, because hub bearing is pre-aligned, hub bearing initiatively caters to and enters steel ball shift fork position, make steel ball shift fork to enter in hub bearing more reliably, avoid damaging the steel ball component of hub bearing.
Wherein, described elastic buffering mechanism includes floating seat 34 and volute spring 35, described outer ring supporting base holder 33 is provided with movable chamber 331, and floating seat 34 to be arranged in movable chamber 331 and can axial slip, between volute spring 35 is located at bottom floating seat 34 and movable chamber 331.Floating seat 34 has ring spring locating slot 341, movable chamber 331 diapire is provided with the spring positioning ring groove 332 with ring spring locating slot 341 corresponding matching, volute spring 35 one end positioning support is in ring spring locating slot 341, volute spring 35 other end positioning support is in spring positioning ring groove 332, and the location and installation of volute spring 35 is solid and reliable.
For making floating seat having stable behavior reliable further, floating seat 34 sidewall is detachably provided with slip guide block 36, movable chamber 331 circumferential side wall is provided with axial channel 333, and axial channel 333 is the hollow slots of radial through floating seat 34, and slip guide block 36 is slidably fitted in axial channel 333.Under this structure, be convenient to floating seat dismounting; And movable chamber and axial channel realize Dual positioning guiding, the motion of floating seat is more reliable and stable.
Certainly as the scheme that the utility model is feasible, axial elasticity buffer gear can also be: as outer ring supporting base is directly slidably fitted on the supporting base holder of outer ring, coordinate resilient rubbber cushion between outer ring supporting base with outer ring supporting base holder; Or employing gas spring, outer ring supporting base is directly slidably fitted on the supporting base holder of outer ring, and realizes buffering by gas spring; Or extension spring, outer ring supporting base is directly slidably fitted on the supporting base holder of outer ring, and is cushioned by extension spring; Or liquid storage bag, outer ring supporting base is directly slidably fitted on the supporting base holder of outer ring, coordinates liquid storage bag between outer ring supporting base with outer ring supporting base holder, is squeezed to reach buffering by liquid in liquid storage bag during compression, after pressure is released, re-fill liquid in liquid storage bag to reset etc.The defects such as the above-mentioned mechanism that blendes together exists complex structure, buffering effect difference, therefore the preferential Coiled Spring Design adopting the compression buffering of this specific embodiment.
In this specific embodiment, described outer ring supporting base 32 includes tubular seat ring 321, tubular seat ring 321 excircle is provided with mounting flange 322, mounting flange 322 is positioned in the middle part of tubular seat ring 321, tubular seat ring 321 comprises the location division 3211 being positioned at the axial side of mounting flange, and for the support 3212 of support cage bearing outer ring, location division 3211 positioning and plug-in mounting of described outer ring supporting base 32 is in floating seat 34, and the mounting flange 322 of outer ring supporting base 32 coordinates with the axial end of floating seat 34 is spacing and is fixedly connected with through bolt.Described mandrel supporting tooling 2 comprises inner ring supporting base 21, and inner ring supporting base mount pad 22, inner ring supporting base mount pad 22 is fixedly mounted on lifting drive 4, described inner ring supporting base 21 includes cylindrical body 211, the excircle of cylindrical body 211 is provided with ring flange 212, ring flange 212 is positioned in the middle part of cylindrical body 211, and cylindrical body 211 comprises the termination, location 2111 being positioned at the axial side of ring flange 212, and for the supporting cylinder 2112 of support cage bearing ring.Outer ring supporting base and inner ring supporting base adopt pre-aligned plug-in mounting, and connect through flange limiting, easy accessibility, and fixation is reliable.
Hub spindle carries play checkout equipment principle of work: time initial, mandrel supporting tooling 2 declines, grasping part is expanded, hub bearing is placed on mandrel supporting tooling 2, mandrel supporting tooling 2 carries hub bearing and rises until contact outer ring positioning tool 3, formed and be fixedly clamped in advance, mandrel supporting tooling 2 continues loading of rising afterwards, under the effect of axial loading force, steel ball component trend departs from, namely be tending towards discharging negative play, when axially loading, the outside one row steel ball component of torque loading device to hub bearing applies the rotary torque of ratings, when the axial loading force that outer ring positioning tool and mandrel supporting tooling apply arrives certain value, torque loading device just also can rotate at least 90 ° by turning wheel hub bearing steel ball assembly, this axial holding force (also can be described as axial loading force) namely corresponds to the negative gap value of hub bearing.
For realizing Automated condtrol, frame 1 is also provided with corresponding mandrel supporting tooling 2 down position, for detecting the detection probe 8 whether putting hub bearing on mandrel supporting tooling 2.
Claims (8)
1. a hub spindle carries play checkout equipment, include frame, it is characterized in that: described frame is provided with for bearing shaft to the bearing shaft loaded to press fit device, and applying the torque loading device stirring steel ball component under specified spin load, described bearing shaft comprises the mandrel supporting tooling for bearing core shaft positioning support to press fit device, and for the outer ring positioning tool to bearing outer ring positioning support, described outer ring positioning tool and mandrel supporting tooling positioned opposite and can vertically mutual away from, close, have between outer ring positioning tool and mandrel supporting tooling that axially clamp hub bearing also can the grasping part of axial stretching, enclose in positioning tool outside and be provided with axially extended through hole of stepping down, described torque loading device includes steel ball shift fork, and drive the rotation load driver mechanism of steel ball shift fork, steel ball shift fork is placed in steps down in through hole.
2. hub spindle carries play checkout equipment according to claim 1, it is characterized in that: described mandrel supporting tooling is connected with the lifting drive driving the lifting of mandrel supporting tooling, described outer ring positioning tool is fixedly mounted in frame, described rotation load driver mechanism includes to rotate and loads axle, and the rotation load driver parts driving steel ball shift fork to rotate, rotating load driver parts is fixedly mounted in frame, rotation loading axle drives with rotation load driver parts and is connected, rotating dynamic the fitting over of loading axle rotation steps down in through hole, steel ball shift fork is arranged on to rotate and loads on axle.
3. hub spindle carries play checkout equipment according to claim 2, it is characterized in that: described mandrel supporting tooling is arranged in below the positioning tool of outer ring.
4. according to Claims 2 or 3, hub spindle carries play checkout equipment, it is characterized in that: described outer ring positioning tool comprises the outer ring supporting base for hub bearing outer ring positioning support, and outer ring supporting base holder, outer ring supporting base holder is fixed in frame, and outer ring supporting base floats through axial elastic buffering mechanism and is arranged on the supporting base holder of outer ring.
5. hub spindle carries play checkout equipment according to claim 4, it is characterized in that: described elastic buffering mechanism includes the floating seat of tubular, and volute spring, described outer ring supporting base holder is provided with movable chamber, floating seat to be arranged in movable chamber and can axial slip, between volute spring is located at bottom floating seat and movable chamber.
6. hub spindle carries play checkout equipment according to claim 5, it is characterized in that: described floating seat sidewall is detachably provided with slip guide block, movable chamber circumferential side wall is provided with axial channel, axial channel is the hollow slots of radial through floating seat, and slip guide block is slidably fitted in axial channel.
7. hub spindle carries play checkout equipment according to claim 5, it is characterized in that: described outer ring supporting base includes tubular seat ring, tubular seat ring excircle is provided with mounting flange, mounting flange is positioned in the middle part of tubular seat ring, tubular seat ring comprises the location division being positioned at the axial side of mounting flange, and for the support of support cage bearing outer ring, the location division positioning and plug-in mounting of described outer ring supporting base is in floating seat, and the mounting flange of outer ring supporting base coordinates with the axial end of floating seat is spacing and is fixedly connected with.
8. hub spindle carries play checkout equipment according to claim 2, it is characterized in that: described mandrel supporting tooling comprises inner ring supporting base, and inner ring supporting base mount pad, described inner ring supporting base has included cylindrical body, the excircle of cylindrical body is provided with ring flange, ring flange is positioned in the middle part of cylindrical body, and cylindrical body comprises the termination, location being positioned at the axial side of ring flange, and for the supporting cylinder of support cage bearing ring.
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CN201520834029.XU CN205049091U (en) | 2015-10-26 | 2015-10-26 | Wheel hub bearing negative clearance detection device |
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CN201520834029.XU CN205049091U (en) | 2015-10-26 | 2015-10-26 | Wheel hub bearing negative clearance detection device |
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Cited By (9)
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CN106092026A (en) * | 2016-08-23 | 2016-11-09 | 宁波中亿自动化装备有限公司 | A kind of axial clearance detector of wheel hub |
CN107504931A (en) * | 2017-09-28 | 2017-12-22 | 南京泰普森自动化设备有限公司 | Measurement apparatus |
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CN110017984A (en) * | 2019-03-21 | 2019-07-16 | 佛山衡生医疗自动化有限公司 | A kind of bearing outer ring rotary test tooling |
CN110081798A (en) * | 2019-03-01 | 2019-08-02 | 武汉船用机械有限责任公司 | The test fixture in the paddle flange installation gap of propeller |
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CN106092026B (en) * | 2016-08-23 | 2019-01-15 | 宁波中亿自动化装备有限公司 | A kind of wheel hub axial direction clearance detector |
CN106092026A (en) * | 2016-08-23 | 2016-11-09 | 宁波中亿自动化装备有限公司 | A kind of axial clearance detector of wheel hub |
CN108072348B (en) * | 2016-11-18 | 2019-11-22 | 中国科学院沈阳自动化研究所 | One kind being based on self-centering gear internal diameter measuring mechanism and its measurement method |
CN108072348A (en) * | 2016-11-18 | 2018-05-25 | 中国科学院沈阳自动化研究所 | One kind is based on self-centering gear internal diameter measuring mechanism and its measuring method |
CN107504931A (en) * | 2017-09-28 | 2017-12-22 | 南京泰普森自动化设备有限公司 | Measurement apparatus |
CN107504931B (en) * | 2017-09-28 | 2023-09-29 | 南京泰普森自动化设备有限公司 | Measuring device |
CN109580909A (en) * | 2018-11-21 | 2019-04-05 | 东台市高科技术创业园有限公司 | A kind of metal driving formula testing agency |
CN109506545A (en) * | 2018-12-26 | 2019-03-22 | 中国航发中传机械有限公司 | Adjustable applied load device for bearing differential measurement |
CN109506545B (en) * | 2018-12-26 | 2024-06-25 | 中国航发中传机械有限公司 | Adjustable loading device for differential measurement of bearing |
CN110081798A (en) * | 2019-03-01 | 2019-08-02 | 武汉船用机械有限责任公司 | The test fixture in the paddle flange installation gap of propeller |
CN110017984A (en) * | 2019-03-21 | 2019-07-16 | 佛山衡生医疗自动化有限公司 | A kind of bearing outer ring rotary test tooling |
CN110017984B (en) * | 2019-03-21 | 2024-05-03 | 烟台大学 | Bearing outer ring rotation test tool |
CN110280493A (en) * | 2019-05-27 | 2019-09-27 | 吴金玲 | A kind of adaptive automatic detection device of bearing end-play and application method |
CN110793487A (en) * | 2019-12-11 | 2020-02-14 | 湖北新火炬科技有限公司 | Method for detecting negative clearance of hub bearing |
CN110793487B (en) * | 2019-12-11 | 2021-02-09 | 湖北新火炬科技有限公司 | Method for detecting negative clearance of hub bearing |
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Address after: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China Patentee after: C&U Co.,Ltd. Address before: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China Patentee before: C & U Group Ltd. |