CN202083373U - Axial float measuring machine for train bearing - Google Patents
Axial float measuring machine for train bearing Download PDFInfo
- Publication number
- CN202083373U CN202083373U CN2011201868935U CN201120186893U CN202083373U CN 202083373 U CN202083373 U CN 202083373U CN 2011201868935 U CN2011201868935 U CN 2011201868935U CN 201120186893 U CN201120186893 U CN 201120186893U CN 202083373 U CN202083373 U CN 202083373U
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- shift fork
- bearing
- wheel
- rail
- train
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses an axial float measuring machine for a train bearing comprising a base, a positioning system with a pair of fixed vehicle wheel bearings, wherein the positioning system is mounted on the base, a measuring head elevating mechanism, left and right measuring mechanisms with a thruster and a displacement sensor, wherein the left and right measuring mechanisms are mounted at both ends of the base, a control computer system, and a hydraulic system with a liquid pressure sensor. Compared with the prior art, the axial float measuring machine for a train bearing resolves the problem that the prior art can only measure the axial float of single vehicle wheel bearing, and realize the simultaneous automatic measurement of a pair of vehicle wheel bearings at both sides of a vehicle wheel shaft.
Description
Technical field
The utility model relates to the checkout equipment field, especially a kind of equipment that is used to measure a railroad train wheel shaft bearing end-play.
Background technology
At present, the measuring technique scheme of train bearing end-play mainly contains following two:
1, the axial play detector of locomotive rolling bearing of Huangshi Bang Ke Science and Technology Ltd. development, it uses the position
Displacement sensor has replaced original clock gauge, has the overload alarm function, can realize uploading automatically of digitizing demonstration and data, realizes the computer information management.
2, a kind of multifunctional automatic measuring instrument of large-scale precision bearing axial clearance has been invented by Zhouyan Tech Co., Ltd, Luoyang, mainly by electrical system, precision pressure gauge, go up gland, accurate voltage regulating valve, sensor adjustment rack, other to inductance sensor, measure mandrel, down gland, measure main shaft and charger, carriage, shift fork shaft coupling, Hall element, synchronous motor, pedestal constitute.For the assembling of bearing and use provide reliable detection to analyze data, and can carry out multi-functional, measurement automatically to measured bearing, satisfy bearing user's fast detecting needs, also can be the measurement standard that the above large-scale finished product precision bearing of non-separation of 100mm provides end-play simultaneously.
More than two technology all be the free end-play pick-up unit of bearing, promptly bearing is contained in axle and does not detect an end-play before going up.And after going up for bearing press mounting to axle, still the equipment that does not have accurate automatically measurement bearing end-play, still continuing to use at present measuring method manually, cause big, the people of the numerical error of surveying be fill in inaccurate objective, the efficient of numerical value at the bottom of, the data processing inconvenience that reads can't realize that more measurement data shares, or the like problem.Bearing press mounting to axle is gone up the automatic Technology of Precision Measurement of bearing end-play still blank at home.
Summary of the invention
Problem to be solved in the utility model provides a kind of train bearing end-play measuring machine, has solved the problem that can only measure single wheel bearing end-play, has realized that wheel hub is contained in a pair of wheel hub bilateral measurement automatically simultaneously on the vehicle.
In order to address the above problem, the technical scheme of this train bearing end-play measuring machine includes: pedestal; Be installed in and a pair ofly on the described pedestal be used to carry the right rail of Train Wheel, the rail level of each described rail is provided with detent; Be equipped with the lifting support of a measuring mechanism in the outside of the groove of the described rail of each root, each described lifting support is equipped with described measuring mechanism by upright guide rail, and described measuring mechanism is connected with a hoist cylinder that drives its lifting; Each described measuring mechanism has a shift fork bearing, this shift fork bearing is fixedly connected with the piston rod of a two-way cylinder, the axle axis that this piston rod and Train Wheel on being positioned at described rail rail level groove are right is parallel, and the cylinder body of described two-way cylinder is fixedly connected with a shift fork; Its measuring contacts is housed on the described shift fork bearing stretches into the interior displacement transducer of described shift fork, the displacement signal between twice position of displacement transducer can obtain the play value after data handling system is handled.
In the technical scheme of above-mentioned train bearing end-play measuring machine, scheme can be more specifically: described pedestal is provided with by the mount pad hole with by threaded shank in a side of each described rail groove and is contained in the wheel stop means that this mount pad hole internal stop constitutes; The shift fork travel switch of the described shift fork bearing lifting travel of restriction is housed on the described lifting support; The oil cylinder stroke switch that limits described two-way cylinder stroke is housed on the described shift fork bearing; Described shift fork inside top is equipped with the wheel of detection Train Wheel centering wheel position near switch; The hydraulic system of each described hoist cylinder and each described two-way cylinder can adopt control computer to control; Each described displacement transducer, each described shift fork travel switch, each described oil cylinder stroke switch is connected with the interface of described control computer near switch with each described wheel, this control computer generally also is connected with display and printer, so that handle the data of noting, draw measurement result and on display, show, and can and be uploaded to lorry management information system realization data sharing by the printout of data output printing device.By setting up the mathematical model of different tested wheels, can increase the scope of can surveying, to do corresponding warning setting, as be provided with the comparison of reading value and range of set value, reading value is provided with alarm etc. not in range of set value the time.
Owing to adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1, hydraulic system realizes that a wheel measures simultaneously automatically to bilateral, improves measuring stability and accuracy, has also improved work efficiency simultaneously;
2, ergometry can preset, the harmful effect of avoiding the human factor intervention to bring, and numerical value reads accurately, and Measurement and Data Processing are convenient, can store, transmit, print, and can meet the requirement of (No. [2006] 426, fortune loading truck) file by transmitting shared data on the network;
3, the wheel axle allocation mechanism is installed in wheel on the detection line, whole robotizations is finished to measuring back release wheel from advancing wheel, has alleviated laborer's labour intensity;
4, can be used for the detection of various train wheel shaft rolling bearing axis to play, applied range has reduced the cost that repairs.
Coming into operation of wheel set bearing end-play automatic measurement machine, improve efficiency of measurement greatly, alleviated labor strength, realized that measurement data is controlled, can trace to the source, and be uploaded to the lorry management information system and realize data sharing, this is for the raising quality that repairs, guaranteeing that traffic safety plays an important role, is a much progress of bearing end-play detection technique.
Description of drawings
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the left view of the utility model embodiment;
Fig. 3 is the front view of the measuring mechanism of the utility model embodiment;
Fig. 4 is the left view of the measuring mechanism of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing enforcement:
Fig. 1, train bearing end-play measuring machine shown in Figure 2 by inside be equipped with liquid-pressure pick-up and solenoid directional control valve hydraulic system 1, control computer 2, pedestal 3, disk spring buting iron 4, rail 5, guide rail 6, hoist cylinder 7, lifting support 8, measuring mechanism 9,, shift fork travel switch 17 etc. constitutes.
Fig. 3, measuring mechanism shown in Figure 4 are made of near switch 12, shift fork 13, measuring head 14, displacement transducer 15, oil cylinder stroke switch 16 etc. shift fork bearing 10, two-way cylinder and piston rod 11, wheel.
Be installed in and a pair ofly on the pedestal 3 be used to carry the right rail of Train Wheel 5, the rail level of each rail 5 is provided with detent; Be equipped with the lifting support 8 of a measuring mechanism 9 in the outside of the groove of each one steel rail 5, each lifting support 8 is equipped with measuring mechanism 9 by upright guide rail 6, and measuring mechanism 9 is connected with a hoist cylinder 7 that drives its lifting; Each measuring mechanism 9 has a shift fork bearing 10, this shift fork bearing 10 is fixedly connected with the piston rod 11 of a two-way cylinder, the axle axis that this piston rod 11 and Train Wheel on being positioned at rail 5 rail level grooves are right is parallel, and the cylinder body of two-way cylinder 11 is fixedly connected with a shift fork 13; Its measuring contacts 14 is housed on the shift fork bearing 10 stretches into displacement transducer 15 in the shift fork 13, pedestal 3 is provided with in a side of each rail 5 groove and is contained in the wheel stop means that disk spring buting iron 4 constitutes in this mount pad hole by the mount pad hole with by threaded shank; The shift fork travel switch 17 of restriction shift fork bearing 10 lifting travels is housed on the lifting support 8; The oil cylinder stroke switch 16 that limits two-way cylinder 11 strokes is housed on the shift fork bearing 10; Shift fork 13 inside top are equipped with the wheel of detection Train Wheel centering wheel position near switch 12; The hydraulic system 1 of hoist cylinder 7 of each and the two-way cylinder 11 of each can adopt control computer 2 to control; Each displacement transducer 15, the shift fork travel switch 17 of each, each described oil cylinder stroke switch 16 and the wheel of each are connected near the interface of switch 12 with control computer 2, and this control computer 2 generally also is connected with display and printer.
Whole process is: 2 initialization of train bearing end-play measuring machine control computer system, tested a pair of vehicle wheel stops to roll after the moving rail 5 that is rolled to down on the pedestal 3 enters the V-type groove to trying hard to recommend outside, and the disk spring buting iron 4 of both sides withstands Wheel ring packing with the location wheel under the effect of spring force.This moment, control computer 2 detected wheel alignment hydraulic system 1 relief pressure that finishes, the shift fork bearing 7 that hoist cylinder 6 has measuring mechanism 9 rises along guide rail 6 directions, finish in place, begin to advance two-way cylinder 11 shift forks 13 to drive the wheel bearing outer ring along wheel wheel face medial movement, measuring head 14 contacts of displacement transducer 15 also are close to rolling bearing outer shroud end face, when the axial ergometry that shows on the liquid-pressure pick-up reaches setting value, hydraulic system 1 stops to promote, shift fork 13 stops to move, and control computer system 2 notes force value and displacement transducer 15 positions.Then, the solenoid directional control valve commutation of hydraulic system, hydraulic system 1 produces other direction pressure, under this power effect, bearing outer ring is side shifting outside wheel wheel face travel direction, when the ergometry that shows on liquid-pressure pick-up 1 reaches setting value, hydraulic system 1 stop motion, control computer system 2 notes force value and displacement transducer 15 positions of this moment.Displacement signal between displacement transducer 15 twice position can obtain the play value after data handling system is handled.When measurement finishes, hoist cylinder 7 drives measurement mechanism and rises, disk spring under the effect of pneumatic mechanism in the butterfly spring buting iron 4 is compressed and makes butterfly spring buting iron 4 leave the wheel medial surface, and under push boat mechanism push rod promoted, vehicle wheel entered next maintenance operation to rolling out.Control computer system 2 handles the data of noting, and draws measurement result and shows on display screen, and can or be uploaded to lorry management information system realization data sharing by the printout of data output printing device.
The utility model is provided with computer chip and software systems in electric control system, by setting up the mathematical model of different tested wheels, can increase the scope of can surveying, and for example a machine can be surveyed various train wheel shaft rolling bearing play.Can do corresponding warning setting in computer system, as be provided with the comparison of reading value and range of set value, reading value is provided with alarm not in range of set value the time, and promptly detecting defective bearing can report to the police automatically.
Claims (3)
1. a train bearing end-play measuring machine is characterized in that including: pedestal; Be installed in and a pair ofly on the described pedestal be used to carry the right rail of Train Wheel, the rail level of each described rail is provided with detent; Be equipped with the lifting support of a measuring mechanism in the outside of the groove of the described rail of each root, each described lifting support is equipped with described measuring mechanism by upright guide rail, and described measuring mechanism is connected with a hoist cylinder that drives its lifting; Each described measuring mechanism has a shift fork bearing, this shift fork bearing is fixedly connected with the piston rod of a two-way cylinder, the axle axis that this piston rod and Train Wheel on being positioned at described rail rail level groove are right is parallel, and the cylinder body of described two-way cylinder is fixedly connected with a shift fork; Its measuring contacts is housed on the described shift fork bearing stretches into the interior displacement transducer of described shift fork.
2. train bearing end-play measuring machine according to claim 1 is characterized in that: described pedestal is provided with by the mount pad hole with by threaded shank in a side of each described rail groove and is contained in the wheel stop means that this mount pad hole internal stop constitutes; The shift fork travel switch of the described shift fork bearing lifting travel of restriction is housed on the described lifting support; The oil cylinder stroke switch that limits described two-way cylinder stroke is housed on the described shift fork bearing; Described shift fork inside top is equipped with the wheel of detection Train Wheel centering wheel position near switch.
3. train bearing end-play measuring machine according to claim 2 is characterized in that: the hydraulic system that includes each described hoist cylinder and each described two-way cylinder is connected control by control computer; Each described displacement transducer, each described shift fork travel switch, each described oil cylinder stroke switch is connected with the interface of described control computer near switch with each described wheel; Described control computer is connected with display and printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201868935U CN202083373U (en) | 2011-06-05 | 2011-06-05 | Axial float measuring machine for train bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201868935U CN202083373U (en) | 2011-06-05 | 2011-06-05 | Axial float measuring machine for train bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202083373U true CN202083373U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201868935U Expired - Fee Related CN202083373U (en) | 2011-06-05 | 2011-06-05 | Axial float measuring machine for train bearing |
Country Status (1)
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|---|---|
| CN (1) | CN202083373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743351A (en) * | 2013-12-26 | 2014-04-23 | 柳州科路测量仪器有限责任公司 | Machine for measuring bearing axial clearance of railway freight car wheel set |
| CN106871848A (en) * | 2017-03-01 | 2017-06-20 | 谷迁乔 | A kind of fire-fighting plough groove type pipe joint maximum elongation gap automatic test equipment |
| CN109405789A (en) * | 2018-10-16 | 2019-03-01 | 柳州职业技术学院 | A kind of long material steel billet camber detection device |
-
2011
- 2011-06-05 CN CN2011201868935U patent/CN202083373U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743351A (en) * | 2013-12-26 | 2014-04-23 | 柳州科路测量仪器有限责任公司 | Machine for measuring bearing axial clearance of railway freight car wheel set |
| CN103743351B (en) * | 2013-12-26 | 2016-06-08 | 柳州科路测量仪器有限责任公司 | Railway freight car wheel is to bearing axial play measuring engine |
| CN106871848A (en) * | 2017-03-01 | 2017-06-20 | 谷迁乔 | A kind of fire-fighting plough groove type pipe joint maximum elongation gap automatic test equipment |
| CN109405789A (en) * | 2018-10-16 | 2019-03-01 | 柳州职业技术学院 | A kind of long material steel billet camber detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |