CN2536989Y - Device for measuring axial gaps of rolling bearings of railway vehicles - Google Patents
Device for measuring axial gaps of rolling bearings of railway vehicles Download PDFInfo
- Publication number
- CN2536989Y CN2536989Y CN 02205359 CN02205359U CN2536989Y CN 2536989 Y CN2536989 Y CN 2536989Y CN 02205359 CN02205359 CN 02205359 CN 02205359 U CN02205359 U CN 02205359U CN 2536989 Y CN2536989 Y CN 2536989Y
- Authority
- CN
- China
- Prior art keywords
- rolling bearing
- card body
- sliding axle
- bearing pin
- clamp body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides an axial gap measuring device of a rolling bearing for railway vehicles. The utility model is characterized in that a slide shaft is fixedly connected with big and small clamp claws at both sides, a clamp body is sheathed on the slide shaft which is provided with a groove in a centered and axial mode, and an axial groove on the clamp body is corresponding to the groove on the slide shaft. A torque wrench is arranged on the clamp body according to a pin shaft B to become a motion fulcrum of the slide shaft, and is hinged with a pin shaft C arranged at the radical direction of the slide shaft by passing through the clamp body and the groove on the slide shaft. An L-shaped press plate is arranged on the slide shaft at one side of the big clamp claw and is hinged with a pin shaft A on the clamp body, and an eccentric wheel with a handle is arranged on a small spacing key shaft of the clamp body of which the upper end is provided with a U-shaped groove and is overlapped with the L-shaped press plate. A pin shaft A is used as an initial point by the L-shaped press plate to generate the actions of clamping and opening for the measured rolling bearing, and the self locking can be realized. A window of a device measuring apparatus is arranged at one side end of the clamp body at the other end corresponding to the measured rolling bearing. The utility model is fixed on the casing of the measured rolling bearing, and the axial gap amount of the vehicle rolling bearing can be obtained only by wrenching the torque wrench with 5 kilogram force. The axial gap measuring device has the advantages of high work efficiency, labor saving, time saving and wide application range, and can accurately measure axial force.
Description
Technical field
The utility model belongs to measuring appliance, relates in particular to the axial play measurement mechanism of railway freight-car rolling bearing.
Background technology
The axial free-gap of freight carrier rolling bearing amount is particularly important for the railway freight-car traffic safety.It must meet national Ministry of Railways standard.So rolling bearing must detect bearing end-play amount after assembling with the lorry axle journal.Common detection mode: the magnetic dial gauge seat is fixed on rolling bearing puts outward, the dial gauge contact acts on the truck hub outer face, to pushing away, draw rolling bearing, make rolling bearing produce axial string momentum with the mechanical axis of artificial 30-50 kilogram, dial gauge is measured its string quantity of motion changing value.The defective of this metering system is: 1, select the dial gauge contact position, and time-consuming, inefficiency; 2, with the trying hard to recommend of artificial 30-50 kilogram, not only labour intensity is big when drawing rolling bearing, and be subjected to artificial factor, often the accuracy measured of influence causes the unsafe hidden danger of driving; The axial force metering of 3, push away, pulling shaft holding only by feel.Still the measuring method of not having science up to now for the axial free-gap of freight carrier rolling bearing amount.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of manual labor that alleviates, and high efficiency is measured the axial play measurement mechanism of railway freight-car rolling bearing accurately.
The technical solution adopted in the utility model is: the axial play measurement mechanism of railway freight-car rolling bearing is characterized in that: it is by big claw, sliding axle, bearing pin A, eccentric wheel, pressing plate, handle, dial torque wrench, bearing pin B, bearing pin C, card body, little claw; Sliding axle is fixedlyed connected with the big or small claw of both sides, the card body is set on the slotted sliding axle of axial zone placed in the middle, card axially grooved corresponding on the body with the fluting on the sliding axle, dial torque wrench is installed on the card body according to bearing pin B, become sliding axle motion fulcrum, and dial torque wrench also passes fluting on card body and the sliding axle with to be loaded on sliding axle bearing pin C radially hinged; Be equipped with on the sliding axle of big claw one side
The shape pressing plate is hinged with card body upper pin A, the upper end have be equipped with on the little axle of card body space band key of U-shaped fluting eccentric wheel that handle is installed with
Shape pressing plate overlap joint,
The shape pressing plate is an initial point with bearing pin A, produces chucking to tested rolling bearing, opens action, and can realize self-locking; The corresponding tested rolling bearing of card body one side of the other end is provided with measurement window.
Above-mentioned be installed on the card body respectively with the same axis of dial torque wrench and sliding axle on the distance of bearing pin C and bearing pin B be 20mm.
Above-mentioned measurement window is installed dial gauge.
Above-mentioned measurement window installation position displacement sensor, displacement transducer is connected with microcomputer interface.
The beneficial effects of the utility model are: the utility model is fixed on tested rolling bearing puts outward, only need 5 kgfs to pull dial torque wrench, 3-4 can obtain freight car bearing end-play amount second.High efficiency, time saving and energy saving.Axial force can accurately be measured, and the scope of application is extensive.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure; 1 big claw, 2 sliding axles, 3 bearing pin A, the little axle of 4 band keys, 5 eccentric wheels, 6 pressing plates, 7 handles, 8 dial torque wrenches, 9 bearing pin B, 10 bearing pin C, 11 card bodies, 12 dial frameworks, 13 nuts, 14 little claws, 15 gauge stands, 16 gland nuts, 17 dial gauges, 18 displacement transducers, 19 microcomputer interfaces, 20 rolling bearing overcoats, 21 truck hub, 22 gland bonnets, 23 backstops.
Embodiment
Specify the utility model below in conjunction with embodiment.
Fact Example 1: the axial play measurement mechanism of railway freight-car rolling bearing, it is by big claw 1, sliding axle 2, bearing pin A3, key 4, eccentric wheel 5, pressing plate 6, handle 7, dial torque wrench 8, bearing pin B9, bearing pin C10, card body 11, dial framework 12, nut 13, lesser calorie pawl 14, gauge stand 15, gland nut 16, dial gauge 17.Sliding axle 2 is fixedlyed connected with the big or small claw 1,14 of both sides, card body 11 is set on the slotted sliding axle 2 of axial zone placed in the middle, card axially grooved corresponding on the body 11 with the fluting on the sliding axle 2, dial torque wrench 8 is installed on the card body 11 according to bearing pin B9, become sliding axle 2 motion fulcrums, and dial torque wrench 8 also passes fluting on card body 11 and the sliding axle 2 with to be loaded on sliding axle 2 bearing pin C10 radially hinged; Dial torque wrench definite value 10N.m, the distance of its bearing pin C and bearing pin B is set to 20mm, dial torque wrench axial force F=10N.m/20mm=50 kilogram.Be equipped with on the sliding axle 2 of big claw 1 one sides
Shape pressing plate 6 is hinged with card body upper pin A3, the upper end have be equipped with on the little axle of the card body space band key 1l of U-shaped fluting eccentric wheel 5 that handle 7 is installed with
Shape pressing plate 6 overlap joints, eccentric wheel is moving with the handle rotating band
Shape pressing plate 6 is an initial point with bearing pin A3, produces chucking to tested rolling bearing, opens action by tested rolling bearing overcoat 20, and can realize self-locking; The corresponding tested rolling bearing of card body 11 1 sides of the other end is equipped with dial framework 12, and gauge stand 15 is installed on the dial framework 12, and dial gauge 17 is locked on the gauge stand 15 by gland nut 16.
Embodiment 2: for improving the accuracy of data transmission, also can adopt system controlled by computer.At accompanying drawing 1 the dial gauge position displacement transducer 18 that changes the outfit is installed, displacement transducer 18 is connected with microcomputer interface 19.Microcomputer interface 19 is temporarily stored in the displacement transducer output signal data in the random access memory, simultaneously the data that receive is exported by driver by chip, be presented on the display, but and random printing output.Above-mentioned software can design according to user's request.
Principle of work: rotate eccentric wheel 5 drive pressing plates 6 with handle 7 measurement mechanism is clamped on the bearing outside 20, dial gauge 17 contacts act on truck hub 21 outer faces when the time comes.When pulling dial torque wrench 8 forward, when moving along card body 11 cavity axis by bearing pin C10 drive sliding axle 2, dial torque wrench gives lesser calorie pawl 14 with 50 kgf effects, little claw again with the power transfer function on backstop 23 end faces, card body 11 drives axially play forward of rolling bearings.When pulling dial torque wrench 8 backward, when moving along card body 11 cavity axis by bearing pin C10 drive sliding axle 2, dial torque wrench gives big claw 1 with 50 kgf effects, big claw again with the power transfer function on gland bonnet 22 end faces, card body 11 drives axially play backward of rolling bearings.Dial gauge can move with rolling bearing and measure axial internal clearance.
The axial amount of movement of above-mentioned rolling bearing is measured and also can be adopted system controlled by computer.Be about to install the hyperphoric displacement transducer in dial gauge position, displacement transducer output measuring-signal passes to system controlled by computer, realizes demonstration, storage and printing function.And software design also can design according to user's request.Its advantage is: the measuring accuracy height, can compensate, and be adapted to indoor and outdoor surroundings and use.
Claims (4)
1, the axial play measurement mechanism of a kind of railway freight-car rolling bearing is characterized in that: it is by big claw (1), sliding axle (2), bearing pin A (3), the little axle of band key (4), eccentric wheel (5), pressing plate (6), handle (7), dial torque wrench (8), bearing pin B (9), bearing pin C (10), card body (11), little claw (14); Sliding axle (2) is fixedlyed connected with big or small claw (1), (14) of both sides, card body (11) is set on the slotted sliding axle of axial zone placed in the middle (2), axially grooved corresponding on card body (11) with the fluting on the sliding axle (2), dial torque wrench (8) is installed on the card body (11) according to bearing pin B (9), become sliding axle (2) motion fulcrum, and dial torque wrench (8) also passes fluting on card body (11) and the sliding axle (2) with to be loaded on sliding axle (2) bearing pin C (10) radially hinged; The shape pressing plate (6) that is equipped with on the sliding axle (2) of big claw (14) one sides is hinged with card body (11) upper pin A (3), the upper end has on the little axle of card body space band key (4) of U-shaped fluting is equipped with the eccentric wheel (5) and shape pressing plate (6) overlap joint that handle (7) is installed, shape pressing plate (6) is an initial point with bearing pin A (3), generation to the chucking of tested rolling bearing, open action, and can realize self-locking; The corresponding tested rolling bearing of card body one side of the other end is provided with measurement window.
2, the axial play measurement mechanism of railway freight-car rolling bearing according to claim 1 is characterized in that: above-mentioned and the same axis of dial torque wrench (8) be installed on respectively that card body (11) is gone up and sliding axle (2) on the distance of bearing pin C (10) and bearing pin B (9) be 20mm.
3, the axial play measurement mechanism of railway freight-car rolling bearing according to claim 1 is characterized in that: above-mentioned measurement window is installed dial gauge (17).
4, the axial play measurement mechanism of railway freight-car rolling bearing according to claim 1 is characterized in that: above-mentioned measurement window installation position displacement sensor (18), displacement transducer (18) is connected with microcomputer interface (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02205359 CN2536989Y (en) | 2002-03-20 | 2002-03-20 | Device for measuring axial gaps of rolling bearings of railway vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02205359 CN2536989Y (en) | 2002-03-20 | 2002-03-20 | Device for measuring axial gaps of rolling bearings of railway vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2536989Y true CN2536989Y (en) | 2003-02-19 |
Family
ID=33687029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02205359 Expired - Fee Related CN2536989Y (en) | 2002-03-20 | 2002-03-20 | Device for measuring axial gaps of rolling bearings of railway vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2536989Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406838C (en) * | 2003-12-30 | 2008-07-30 | 斗山英维高株式会社 | Apparatus for measuring space of internal ring and external ring of wheel bearing of vehicle |
| CN103728109A (en) * | 2013-12-23 | 2014-04-16 | 西安轨道交通装备有限责任公司 | Quick connector for pressure maintaining test |
| CN106123833A (en) * | 2016-06-12 | 2016-11-16 | 杭州电子科技大学 | A kind of auto pump shaft connecting bearing end-play measures equipment |
| CN107677185A (en) * | 2016-08-02 | 2018-02-09 | 约翰内斯·海德汉博士有限公司 | Linear measure longimetry mechanism |
-
2002
- 2002-03-20 CN CN 02205359 patent/CN2536989Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406838C (en) * | 2003-12-30 | 2008-07-30 | 斗山英维高株式会社 | Apparatus for measuring space of internal ring and external ring of wheel bearing of vehicle |
| CN103728109A (en) * | 2013-12-23 | 2014-04-16 | 西安轨道交通装备有限责任公司 | Quick connector for pressure maintaining test |
| CN106123833A (en) * | 2016-06-12 | 2016-11-16 | 杭州电子科技大学 | A kind of auto pump shaft connecting bearing end-play measures equipment |
| CN106123833B (en) * | 2016-06-12 | 2018-11-02 | 杭州电子科技大学 | A kind of auto pump shaft connecting bearing end-play measuring apparatus |
| CN107677185A (en) * | 2016-08-02 | 2018-02-09 | 约翰内斯·海德汉博士有限公司 | Linear measure longimetry mechanism |
| CN107677185B (en) * | 2016-08-02 | 2020-11-13 | 约翰内斯·海德汉博士有限公司 | Length measuring mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |