CN104359377A - Device and method for measuring bearing clearance of gear wheels of gear cases - Google Patents
Device and method for measuring bearing clearance of gear wheels of gear cases Download PDFInfo
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- CN104359377A CN104359377A CN201410566651.7A CN201410566651A CN104359377A CN 104359377 A CN104359377 A CN 104359377A CN 201410566651 A CN201410566651 A CN 201410566651A CN 104359377 A CN104359377 A CN 104359377A
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- positioning link
- measuring device
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- axletree
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Abstract
The invention relates to the technical field of maintenance on trains, in particular to a device and a method for measuring bearing clearance of gear wheels of gear cases. The device for measuring the bearing clearance of the gear wheels of the gear cases comprises a positioning connecting piece, a plurality of suction elements, two measuring arms and two position measuring gauges. The device and the method have the advantages that the positioning connecting piece can cling onto bodies of axles, can be stably sucked with collecting rings by the aid of the suction elements, can be quickly and accurately fixed and is high in positioning efficiency, the two measuring arms are symmetrically arranged, the position measuring gauges are respectively arranged on the two measuring arms, are symmetrically arranged and are positioned at the same horizontal altitude, heads of the position measuring gauges are in perpendicular contact with the end surfaces of bearing covers of the axles, and accordingly the bearing clearance can be accurately measured; working procedures for mounting magnetic gauge seats and adjusting dial gauges by two workers in an existing measuring mode can be omitted by the device for measuring the bearing clearance, accordingly, the labor cost can be saved, and manual operational errors can be prevented.
Description
Technical field
The present invention relates to train overhaul technical field, particularly relate to a kind of gear case gearwheel bearing measuring device for windage and measuring method.
Background technology
Usually, in motor train unit train, axletree is provided with gear case, gear case gear wheel side is provided with corresponding bearing, and bearing is outside equipped with bearing cap, arranges collector ring outside bearing cap, in motor train unit four, Pyatyi maintenance process, all need to measure gear case gear wheel side bearing play value.At present, adopt two magnetic stands to be 180 ° and be adsorbed on axletree axle body, use dial gauge to measure.
But, adopt above-mentioned metering system to there is following shortcoming: 1, efficiency is low.Axletree axle body paint is thicker, and dynamometry gauge stand is difficult to effectively be adsorbed on axle body, needs repeatedly to adjust.2, easily error is produced.Dial gauge gauge outfit must be vertical with bearing cap end face, and leave precompressed value, and manual operations easily produces error, causes measurement result inaccurate.3, cost of labor is high.Pipelining needs two operating personnel to operate simultaneously, and cost of labor is high.
Therefore, for above deficiency, the invention provides a kind of gear case gearwheel bearing measuring device for windage and measuring method.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide the problem that measurement efficiency is low, measurement result is inaccurate and cost of labor is high that a kind of gear case gearwheel bearing measuring device for windage and measuring method exist to solve existing bearing clearance metering system.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of gear case gearwheel bearing measuring device for windage, it comprises positioning link, polylith absorptive element, and two gage beams and two position measurement tables, positioning link is fitted on axletree axle body, polylith absorptive element is fixed on the bottom of positioning link, during measurement, polylith absorptive element is pull-in on the upper surface of collector ring, two gage beams are connected on positioning link, and be symmetrical arranged around axletree axle center, two position measurement tables are separately positioned on two gage beams, and are in same level height.
Wherein, described positioning link is semi-annular shape, and two gage beams are connected to the two ends of the positioning link of semi-annular shape.
Wherein, described positioning link and two gage beams are integrally formed.
Wherein, described absorptive element is magnet piece.
Wherein, two pieces of described magnet pieces are separately positioned on the position of positioning link two ends near gage beam, and one piece of magnet piece is arranged on the middle part of positioning link.
Wherein, institute's position measurement table is dial gauge.
Wherein, the arranged outside jug of the positioning link of described semi-annular shape.
The present invention provides a kind of bearing clearance measuring method on the other hand, and it comprises the following steps:
S1, semi-annular shape positioning link to be enclosed within axletree axle body, to make polylith absorptive element be pull-in on the upper surface of collector ring;
S2, two dial gauges to be arranged on two gage beams respectively, to make dial gauge gauge outfit and axle bearing lid end face perpendicular contact;
The each some circles of S3, forward and reverse rotation axletree, reset dial gauge;
S4, axletree to be sling, then forward and each some circles of reverse rotation axletree, the reading of record two dial gauges.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: in gear case gearwheel bearing measuring device for windage provided by the invention and measuring method, positioning link is fitted on axletree axle body, positioning link and the firm adhesive of collector ring is made by absorptive element, fast positioning link accurately can be fixed, location efficiency is high, two gage beams are symmetrical arranged, and position measurement table is separately positioned on two gage beams, positional symmetry and be in same level height, during measurement, position measurement table gauge outfit and axle bearing lid end face perpendicular contact, and then the accurate measurement of bearing clearance can be realized, in addition, two workmans in existing metering system can be reduced by bearing clearance measuring device of the present invention and magnetic stand is installed and adjust the operation of dial gauge, save human cost, avoid the generation of manual operation error, and bearing clearance measuring device volume of the present invention is little, delicate structure, easy to operate.
Accompanying drawing explanation
Fig. 1 is the front elevation of embodiment of the present invention gear case gearwheel bearing measuring device for windage;
Fig. 2 is the side view of embodiment of the present invention gear case gearwheel bearing measuring device for windage;
Fig. 3 is the side view of positioning link in embodiment of the present invention gear case gearwheel bearing measuring device for windage;
Fig. 4 is the side view of gage beam in embodiment of the present invention gear case gearwheel bearing measuring device for windage.
In figure, 1: positioning link; 2: gage beam; 3: position measurement table; 4: absorptive element; 5: handle; 6: mounting hole.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In describing the invention, it will be appreciated that, term " middle part ", " on ", D score, "front", "rear", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
As depicted in figs. 1 and 2, gear case gearwheel bearing measuring device for windage provided by the invention comprises positioning link 1, polylith absorptive element 4, and two gage beams 2 and two position measurement tables 3, positioning link 1 is fitted on axletree axle body, polylith absorptive element 4 is fixed on the bottom of positioning link 1, during measurement, polylith absorptive element 4 is pull-in on the upper surface of collector ring, two gage beams 2 are connected on positioning link 1, and be symmetrical arranged around axletree axle center, two position measurement tables 3 are separately positioned on two gage beams 2, and are in same level height.
In above-mentioned embodiment, positioning link 1 is fitted on axletree axle body, polylith absorptive element 4 is fixed on the bottom of positioning link 1, during measurement, polylith absorptive element 4 is pull-in on the upper surface of collector ring, fast positioning link 1 accurately can be fixed like this, the situation avoiding conventional magnetic gauge stand to drop occurs, location efficiency is high, two gage beams 2 are connected on positioning link 1, and be symmetrical arranged around axletree axle center, thus two the position measurement tables 3 be arranged on two gage beams 2 can be relative to bearing (ball) cover two position measurements, avoid measurement inaccurate, two position measurement tables 3 simultaneously on two gage beams 2 are in same level height, measurement result accurately can be obtained by measurement of comparison, and operation in existing metering system can be reduced, save human cost.
Particularly, described positioning link 1 is semi-annular shape, and can be combined on axletree axle body by Convenient button, two gage beams 2 be connected to the two ends of the positioning link 1 of semi-annular shape, is convenient to position measurement table 3 and is arranged on symmetrical position, improve accuracy of measurement.
Usually, described positioning link 1 and two gage beams 2 weld together, and certainly in order to improve intensity and strengthen serviceable life, positioning link 1 and two gage beams 2 can be formed by integrally casting.
Preferably, as shown in figures 1 and 3, described absorptive element 4 is magnet piece, two pieces of magnet pieces are separately positioned on positioning link 1 two ends near the position of gage beam 2, one piece of magnet piece is arranged on the middle part of positioning link 1, the bottom surface of three pieces of magnet pieces flushes, and stressedly so more balances, and ensures the firm adhesive of whole positioning link 1 and collector ring.
Particularly, as shown in Figure 1, Figure 3 and Figure 4, institute's position measurement table 3 is dial gauge, and dial gauge is arranged on gage beam 2 by the mounting hole of on gage beam 26.Dial gauge gauge outfit and axle bearing lid end face perpendicular contact, to facilitate the measurement of and axletree relative position overall to gear case, will ensure that the gap of dial gauge and gage beam 2 is suitable for, and does not affect the work of dial gauge in addition; The arranged outside jug 5 of the positioning link 1 of described semi-annular shape, so that the operation of positioning link 1 and transfer.
Shape and the position relationship of the vibrational power flow of above-mentioned bearing clearance measuring device and gear case and axletree adapt, gear case gear wheel side bearing is utilized to cover the feature that can move axially along axletree under self gravitation effect, carry out bearing clearance measurement, under not mentioning axletree and mentioning axletree two states, measure the changing value obtaining the relative axletree of bearing (ball) cover, that is to say and obtain bearing clearance value, above-mentioned bearing clearance measuring device accurate positioning, it is convenient to measure.
The method utilizing above-mentioned bearing clearance measuring device to carry out bearing clearance measurement that the present invention improves on the other hand comprises the following steps:
S1, semi-annular shape positioning link 1 to be enclosed within axletree axle body, to make polylith absorptive element 4 be pull-in on the upper surface of collector ring;
S2, two dial gauges to be arranged on two gage beams 2 respectively, to make dial gauge gauge outfit and axle bearing lid end face perpendicular contact;
The each some circles of S3, forward and reverse rotation axletree, ensure that the position relationship of axletree and gear case is consistent with the position relationship under actual working state, also namely ensure the axial line of the axial line of bearing and axletree on the same line, improve accuracy of measurement, then dial gauge is reset;
S4, to be sling by axletree, then forward and each some circles of reverse rotation axletree, the axial line ensureing the axial line of bearing and axletree on the same line, improves accuracy of measurement, then records the reading of two dial gauges.
Will after above-mentioned steps, the mean value of the reading of two dial gauges is the play value of gearwheel bearing.
In sum, in gear case gearwheel bearing measuring device for windage provided by the invention and measuring method, the positioning link 1 of semi-annular shape is fitted on axletree axle body, positioning link 1 and the firm adhesive of collector ring is made by magnet piece, fast positioning link 1 accurately can be fixed, location efficiency is high, two gage beams 2 are symmetrical arranged, and dial gauge is separately positioned on two gage beams 2, positional symmetry and be in same level height, during measurement, dial gauge gauge outfit and axle bearing lid end face perpendicular contact, and then the accurate measurement of bearing clearance can be realized; In addition, operation in existing metering system can be reduced by bearing clearance measuring device of the present invention, save human cost.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. a gear case gearwheel bearing measuring device for windage, it is characterized in that: it comprises positioning link, polylith absorptive element, and two gage beams and two position measurement tables, positioning link is fitted on axletree axle body, polylith absorptive element is fixed on the bottom of positioning link, during measurement, polylith absorptive element is pull-in on the upper surface of collector ring, two gage beams are connected on positioning link, and be symmetrical arranged around axletree axle center, two position measurement tables are separately positioned on two gage beams, and are in same level height.
2. gear case gearwheel bearing measuring device for windage according to claim 1, is characterized in that: described positioning link is semi-annular shape, and two gage beams are connected to the two ends of the positioning link of semi-annular shape.
3. gear case gearwheel bearing measuring device for windage according to claim 2, is characterized in that: described positioning link and two gage beams are integrally formed.
4. gear case gearwheel bearing measuring device for windage according to claim 2, is characterized in that: described absorptive element is magnet piece.
5. gear case gearwheel bearing measuring device for windage according to claim 4, is characterized in that: two pieces of described magnet pieces are separately positioned on the position of positioning link two ends near gage beam, and one piece of magnet piece is arranged on the middle part of positioning link.
6. gear case gearwheel bearing measuring device for windage according to claim 2, is characterized in that: institute's position measurement table is dial gauge.
7. gear case gearwheel bearing measuring device for windage according to claim 2, is characterized in that: the arranged outside jug of the positioning link of described semi-annular shape.
8. a bearing clearance measuring method, is characterized in that, it comprises the following steps:
S1, semi-annular shape positioning link to be enclosed within axletree axle body, to make polylith absorptive element be pull-in on the upper surface of collector ring;
S2, two dial gauges to be arranged on two gage beams respectively, to make dial gauge gauge outfit and axle bearing lid end face perpendicular contact;
The each some circles of S3, forward and reverse rotation axletree, reset dial gauge;
S4, axletree to be sling, then forward and each some circles of reverse rotation axletree, the reading of record two dial gauges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566651.7A CN104359377B (en) | 2014-10-22 | 2014-10-22 | Gear-box gearwheel bearing measuring device for windage and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566651.7A CN104359377B (en) | 2014-10-22 | 2014-10-22 | Gear-box gearwheel bearing measuring device for windage and measuring method |
Publications (2)
| Publication Number | Publication Date |
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| CN104359377A true CN104359377A (en) | 2015-02-18 |
| CN104359377B CN104359377B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410566651.7A Active CN104359377B (en) | 2014-10-22 | 2014-10-22 | Gear-box gearwheel bearing measuring device for windage and measuring method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990484A (en) * | 2015-07-15 | 2015-10-21 | 湖南南方宇航高精传动有限公司 | Bearing assembly and measurement tool |
| CN106595436A (en) * | 2017-01-24 | 2017-04-26 | 中国航发中传机械有限公司 | Bearing clearance detection device in speed reducer combined casing |
| CN109751936A (en) * | 2017-11-06 | 2019-05-14 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder shafting play measuring device |
| CN112013750A (en) * | 2019-05-30 | 2020-12-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN113340591A (en) * | 2021-05-24 | 2021-09-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Motor train unit gear box bearing clearance adjusting system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990484A (en) * | 2015-07-15 | 2015-10-21 | 湖南南方宇航高精传动有限公司 | Bearing assembly and measurement tool |
| CN106595436A (en) * | 2017-01-24 | 2017-04-26 | 中国航发中传机械有限公司 | Bearing clearance detection device in speed reducer combined casing |
| CN109751936A (en) * | 2017-11-06 | 2019-05-14 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder shafting play measuring device |
| CN112013750A (en) * | 2019-05-30 | 2020-12-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN112013750B (en) * | 2019-05-30 | 2022-02-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN113340591A (en) * | 2021-05-24 | 2021-09-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Motor train unit gear box bearing clearance adjusting system and method |
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| CN104359377B (en) | 2018-04-20 |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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