CN103743351A - Machine for measuring bearing axial clearance of railway freight car wheel set - Google Patents
Machine for measuring bearing axial clearance of railway freight car wheel set Download PDFInfo
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- CN103743351A CN103743351A CN201310730116.6A CN201310730116A CN103743351A CN 103743351 A CN103743351 A CN 103743351A CN 201310730116 A CN201310730116 A CN 201310730116A CN 103743351 A CN103743351 A CN 103743351A
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Abstract
The invention provides a machine for measuring bearing axial clearance of a railway freight car wheel set. The measuring machine comprises a base part, an upright carriage, a measuring head, a hydraulic system, and a console, wherein the base part comprises a locating mechanism, centering mechanisms, and push wheel mechanisms, the locating mechanism comprises buffering mechanisms and four rollers, the centering mechanisms comprise two sets of lever type reinforcement centering mechanisms with the same structure and opposite directions which are propelled by a hydraulic oil cylinder, the push wheel mechanisms comprise left and right lever mechanisms which are the same and are propelled and generate power at the same time by pressure oil, and a wheel set to be measured are mounted on the base part (1). The machine is mounted on a wheel axle overhaul line, and is used for specially measuring wheel axle bearing axial clearance; and the machine can automatically complete measurement of axial clearances of bearings at two sides of a wheel set in a measurement process, and storage and printing of measurement data. The data are traceable, data transmission is convenient, the efficiency is high, the labor intensity is small, and the machine is safe.
Description
Technical field
The present invention relates to railway freight car wheel to bearing axial play measuring machine, is that railway freight-car wheel bearing is measured custom-built machine, belongs to railcar wheel shaft field of measuring technique.
background technology:
To bearing axial play, measurement is express locomotive to railway freight car wheel, especially the important measure the item that high ferro axletree or moving prefix axletree overhaul, wheel axle bearing axial play in the past, be to adopt manual tool method to measure, read data at every turn, data acquisition error is large, human factor impact is large, data can not be traced to the source, and data transmission is inconvenient, efficiency is low, labour intensity is large, dangerous, not in full conformity with the relevant regulations of the Ministry of Railways.Along with the high institute of China railway development, the paces that advance as the express locomotive truck wheel axles bearing axial play epoch of trying hard to catch up with the least delay possible of measuring, in the urgent need to a kind of, be arranged on axletree repair line, railway freight car wheel is to bearing axial play measurement mechanical, for measuring wheel to bearing axial play.
summary of the invention:
The object of the present invention is to provide railway freight car wheel to bearing axial play measuring machine, this machine is arranged on axletree repair line, for special measuring wheel to bearing axial play.This machine can automatically complete the measurement of a wheel to two side bearing end-plaies in one-shot measurement process, and the storage of measurement data and printing.Data can be traced to the source, and data transmission is convenient, efficiency is high, labour intensity is little, safety.
Technical scheme of the present invention is: railway freight car wheel, to bearing axial play measuring machine, comprises base portion 1, column planker 6, measuring head 5, hydraulic system 7, control desk 11; Wherein, the pedestal 9 of base portion 1, by foot bolt 10, is fixed on ground; Described column planker (6), comprise column (15), guide rail 17, relatively and be vertically arranged on the two ends of pedestal 9, its middle carriage 16 is contained on the guide rail 17 being fixed on column 15, can slide up and down for described two columns; Two described measuring heads 5 are arranged on column planker 6 separately; Between two column planker 6 tops, be laterally fixed wtih a rigid beam 10; Described hydraulic system 7, device is near this measuring machine; Electric system and computer control system are contained on control desk 11; Treat that measuring wheel is to being contained in base portion 1.
Further, wherein, (1) base portion goes up, be provided with two location buffer gears (2), centering body (4), two send wheel mechanism (3); Wherein along the four rolling laterally rolling (12) two location buffer gears, (2) respectively near (9) both ends of pedestal, also comprise, treat measuring wheel to positioning; Be arranged at the centering body at middle part (4), comprise that (13) a road hydraulic jack promotes that two nested structures are identical, the lever-type reinforcement centering body of opposite direction (4) so that treat that measuring wheel locates centering; Describedly send wheel mechanism (3), comprise the left and right two identical dry mechanisms (26) of cover hydraulic thrusts, You Yi road pressure oil promotes to have an effect simultaneously, promotes wheel to entering position to be measured.
Further, (15) (6) described column planker comprise two (left and right) columns, be fixed on pedestal two ends (9), two columns are upper end (15), be fixed with and increase the crossbeam of rigidity (8), (16) column (15) medial surface is provided with vertical guide, and (17) guide rail is equipped with planker on (16), by hydraulic jack action (18), (17) planker is slided up and down on guide rail.
Further, (5) described measuring head has two, be contained in respectively the planker that can slide up and down and (17) go up, measuring head 5 comprise measure oil cylinder (19), guide shaft (20), fork (21), grating measuring mechanism (22), approach switch (23) and displacement transducer (24); In measuring head 5, have two guide shafts (20), fork (21) is contained on two guide shafts, and can prolong guide shaft moving axially (20).Measure oil cylinder and be (19) contained in fork (21) above, utilizing displacement transducer (24) to control fork (21) mediates, by a road hydraulic oil, promote left and right fork (21) moves simultaneously inwards or outwards, the outer ring that fork (21) is stirred wheel bearing, while driving grating to move to extreme position, by computer acquisition stop position data, oil cylinder (25) reverse direction moves while driving grating to move to another extreme position, by computer acquisition stop position data, is processed.
Further, comprise conventional hydraulic system, hydraulic component (7), oil pipe line, hydraulic pump, a total (7) working hydraulic pressure oil cylinder, is shown in accompanying drawing 13, respectively: the oil cylinder (25) of the Level Promoting double-piston that left and right each drive grating moves; The hoist cylinder of the upper and lower slip of left and right each promotion planker (19); Left and right each is sent wheel push action cylinder (26); Middle one promotes left and right fork inwards or outside mobile centering oil cylinder (13) simultaneously.
Railway freight car wheel of the present invention is to bearing axial play measuring machine, and the axial force that is applied to bearing face adopts hydrostatic transmission and hydraulic pressure sensor to obtain the thrust needing.End-play adopts displacement transducer collection, adopts industrial computer the acting force gathering and displacement to be processed to the acting force that obtains the end-play that needs, and employing one road hydraulic pressure acts on bearing in opposite directions.Got rid of the interference of human factor, measuring speed obviously improves, and this machine can automatically complete the measurement of a wheel to two side bearing end-plaies in one-shot measurement process, and the storage of measurement data and printing.Data can be traced to the source, and data transmission is convenient, efficiency is high, labour intensity is little, safety.
Accompanying drawing explanation
Only further understanding and the explanation of conduct to instructions of accompanying drawing, but do not limit the present invention.
Fig. 1 is the structural perspective of railway freight car wheel of the present invention to bearing axial play measuring machine.
Fig. 2 is the front view of railway freight car wheel of the present invention to the base portion of bearing axial play measuring machine.
Fig. 3 is the vertical view of railway freight car wheel of the present invention to the base portion of bearing axial play measuring machine.
Fig. 4 is the front view of railway freight car wheel of the present invention to the centering body of bearing axial play measuring machine.
Fig. 5 is the vertical view of railway freight car wheel of the present invention to the centering body of bearing axial play measuring machine.
Fig. 6 is the front view of railway freight car wheel of the present invention to the column agency of bearing axial play measuring machine.
Fig. 7 is the front view of railway freight car wheel of the present invention to the Song Lun mechanism of bearing axial play measuring machine.
Fig. 8 is the vertical view of railway freight car wheel of the present invention to the Song Lun mechanism of bearing axial play measuring machine.
Fig. 9 is the location buffer gear front view of railway freight car wheel of the present invention to bearing axial play measuring machine.
Figure 10 is the location buffer gear vertical view of railway freight car wheel of the present invention to bearing axial play measuring machine.
Figure 11 is the front view of railway freight car wheel of the present invention to the measuring head of bearing axial play measuring machine.
Figure 12 is the side view of railway freight car wheel of the present invention to the measuring head of bearing axial play measuring machine.
Figure 13 be railway freight car wheel of the present invention to bearing axial play measuring machine hydraulic system principle figure.
In figure, 1-base portion, 2-locates buffer gear, 3-Song Lun mechanism, 4-centering body, 5-measuring head, 6-column planker, 7-hydraulic system, 8-rigid beam, 9-pedestal, 10-foot bolt, 11-control desk, 12-roller, 13-hydraulic jack, 14-linkage assembly, 15-column, 16-guide rail, 17-planker, oil cylinder 18
19-oil cylinder, 20-guide shaft, 21-fork, 22-grating measuring mechanism, 23-approach switch, 24-displacement transducer, 25-oil cylinder, 26-oil cylinder, 27-hydraulic oil pump.
Embodiment
Below in conjunction with accompanying drawing, the present invention and embodiment are described in detail, Fig. 1 is the stereographic map of railway freight-car wheel bearing end-play measuring machine of the present invention.
Measuring principle of the present invention is:
Railway freight car wheel of the present invention is to bearing axial play measuring machine, and the axial force that is applied to bearing face adopts hydrostatic transmission and hydraulic pressure sensor to obtain the thrust needing.End-play adopts displacement transducer collection, adopts industrial computer the acting force gathering and displacement to be processed to the acting force that obtains the end-play that needs, and employing one road hydraulic pressure acts on bearing in opposite directions.The machine has been got rid of the interference of human factor, and measuring speed obviously improves, and meets production line needs, and labour intensity reduces, and meets the national standard to this measurement parameter completely.
From accompanying drawing, can find out:
Railway freight car wheel is to bearing axial play measuring machine, comprises that base portion 1, column planker 6, measuring head 5, hydraulic system 7, control desk 11(are not shown in FIG.); Wherein, the pedestal 9 of base portion 1, by foot bolt 10, is fixed on ground; Described column planker (6), comprise column (15), guide rail 17, relatively and be vertically arranged on the two ends of pedestal 9, its middle carriage 16 is contained on the guide rail 17 being fixed on column 15 described two columns 15, can slide up and down; Two described measuring heads 5 are arranged on column planker 6 separately, and can slide up and down at this planker 16; Between two column planker 6 tops, be laterally fixed wtih a rigid beam 10, to increase the rigidity of equipment; Described hydraulic system 7 devices are near this measuring machine; Electric system and computer control system, be contained on control desk 11.As shown in Figure 1.
Further, (1) base portion goes up, be provided with two location buffer gears (2), centering body (4), two send wheel mechanism (3); Wherein along the four rolling laterally rolling (12) two location buffer gears, (2) respectively near (9) two ends of pedestal, also comprise, for the running fix for the treatment of that measuring wheel is right; Be arranged at the centering body at middle part (4), comprise a road hydraulic jack (13), promote that two nested structures are identical, the lever-type reinforcement centering body of opposite direction (4) so that treat that measuring wheel is to carrying out centering location; Describedly send wheel mechanism (3), comprise left and right identical Liang Tao hydraulic push rod mechanism (26), You Yi road pressure oil promotes to have an effect simultaneously, promotes wheel to entering position to be measured.
Further, (15) (6) described column planker comprise two (left and right) columns, be fixed on pedestal two ends (9), two columns are upper end (15), be fixed with and increase the crossbeam of rigidity (8), (16) column (15) medial surface is provided with vertical guide, and (17) guide rail is equipped with planker on (16), by hydraulic jack action (18), (17) planker is slided up and down on guide rail.
Further, (5) described measuring head has two, be contained in respectively the described planker that can slide up and down and (17) go up, measuring head 5 comprise measurement oil cylinder (19), guide shaft (20), fork (21), grating measuring mechanism (22), approach switch (23) and displacement transducer (24); In measuring head 5, have two guide shafts (20), fork (21) is contained on two guide shafts, and can prolong guide shaft moving axially (20).Measure oil cylinder and be (19) contained in fork (21) above, utilizing displacement transducer (24) to control fork (21) mediates, by a road hydraulic oil, promote left and right fork (21) moves simultaneously inwards or outwards, the outer ring that fork (21) is stirred wheel bearing, while driving grating to move to extreme position, by computer acquisition stop position data, oil cylinder (25) reverse direction moves while driving grating to move to another extreme position, by computer acquisition stop position data, is processed.Then by computing machine by the data recording of processing, storage or printing or upload HMIS system.
Further, comprise conventional hydraulic system, hydraulic component (7), oil pipe line, hydraulic pump, a total (7) working hydraulic pressure oil cylinder, is shown in accompanying drawing 13, respectively: the oil cylinder (25) of the Level Promoting double-piston that left and right each drive grating moves; The hoist cylinder of the upper and lower slip of left and right each promotion planker (19); Left and right each is sent wheel push action cylinder (26); Middle one promotes left and right fork inwards or outside mobile centering oil cylinder (13) simultaneously.
(7) hydraulic system, hydraulic component are all prior aries, and those skilled in the art are with the aid of pictures just to be known, are not therefore stating more.
In addition, electric system and computer control system, be all contained in 11 li, control desk, and the action of the machine all hydraulic and mechanical action, all come complete by control desk.Computer acquisition stop position data sampling and processing, print, upload, also all belong to the common practise of modern computer technology, the mechanical part of wheel set bearing end-play measuring machine of the present invention and control and the action of hydraulic part, it is all conventional action, therefore at computer, control and the circuit control section of hydrostatic control, be all the combination of prior art, at this, seldom narrate.
The key technical indexes of above-described embodiment is: the 1. error of indication: ± 0.03mm; 2. scale division value: 0.01mm; 3. ergometry: (294-490) N ± 5N; 4. Measuring Time :≤90s.
The technical characteristics of above-described embodiment is:
1. in railway systems, first having realized railway freight car wheel to bearing axial play all automatic measurement, is the innovation of railway detection technique.
2. can measure bilateral bearing, speed is fast, precision is high simultaneously.
3. ergometry can be preset, and measurement result is exportable, stores, prints, uploads HMIS system.
It should be noted that; about design of the present invention; to those skilled in the art; can be according to disclosed technical scheme of the present invention; under the guidance of this design, reasoning draws a plurality of technical schemes similar, maybe can be alternative, still; every various technical schemes that belong under this design, all within the protection domain of the application's claims.
Claims (5)
1. railway freight car wheel, to bearing axial play measuring machine, is characterized in that, comprise base portion (1), column planker (6), measuring head (5), hydraulic system (7), control desk (11); Wherein, (9) base portion pedestal (1) by foot bolt 10, is fixed on ground; Described column planker (6), comprise column (15), guide rail (17), (15), relatively and be vertically arranged on pedestal two ends (9), (16) its middle carriage is contained in and is fixed on the guide rail that (15) column go up and (17) goes up two columns, can slide up and down; Two described measuring heads 5 are arranged on respectively on planker (16) separately; At two column plankers, (6) between top, be laterally fixed wtih a rigid beam (10); (7), device is near this measuring machine for described hydraulic system; Electric system and computer control system are contained in control desk and (11) go up; Treat that (1) measuring wheel go up being contained in base portion.
According to railway freight-car claimed in claim 1 to axle bearing end-play measuring machine, it is characterized in that, wherein, (1) base portion goes up, be provided with two location buffer gears (2), centering body (4), two send wheel mechanism (3); Wherein along the four rolling laterally rolling (12) two location buffer gears, (2) respectively near (9) both ends of pedestal, also comprise, treat measuring wheel to positioning; Be arranged at the centering body at middle part (4), comprise that (13) a road hydraulic jack promotes that two nested structures are identical, the lever-type reinforcement centering body of opposite direction (4) so that treat that measuring wheel locates centering; Describedly send wheel mechanism (3), comprise the left and right two identical dry mechanisms (26) of cover hydraulic thrusts, You Yi road pressure oil promotes to have an effect simultaneously, promotes wheel to entering position to be measured.
According to railway freight car wheel claimed in claim 2 to bearing axial play measuring machine, it is characterized in that, wherein, (15) (6) described column planker comprise two (left and right) columns, is fixed on pedestal two ends (9), two columns are upper end (15), be fixed with and increase the crossbeam of rigidity (8), (16) column (15) medial surface is provided with vertical guide, and (17) guide rail is equipped with planker on (16), by hydraulic jack action (18), can make planker (17) on guide rail, slide up and down.
According to railway freight car wheel claimed in claim 3 to bearing axial play measuring machine, it is characterized in that, wherein, (5) described measuring head has two, be contained in respectively the planker that can slide up and down and (17) go up, measuring head 5 comprise measure oil cylinder (19), guide shaft (20), fork (21), grating measuring mechanism (22), approach switch (23) and displacement transducer (24); In measuring head 5, have two guide shafts (20), fork (21) is contained on two guide shafts, and can prolong guide shaft moving axially (20);
Measure oil cylinder and be (19) contained in fork (21) above, utilizing displacement transducer (24) to control fork (21) mediates, by a road hydraulic oil, promote left and right fork (21) moves simultaneously inwards or outwards, the outer ring that fork (21) is stirred wheel bearing, while driving grating to move to extreme position, by computer acquisition stop position data, oil cylinder (25) reverse direction moves while driving grating to move to another extreme position, by computer acquisition stop position data, is processed.
According to railway freight car wheel claimed in claim 4 to bearing axial play measuring machine, comprise conventional hydraulic system, hydraulic component (7), oil pipe line, hydraulic pump, it is characterized in that, a total (7) working hydraulic pressure oil cylinder, respectively: the oil cylinder (25) of the Level Promoting double-piston that left and right each drive grating moves; The hoist cylinder of the upper and lower slip of left and right each promotion planker (19); Left and right each is sent wheel push action cylinder (26); Middle one promotes left and right fork inwards or outside mobile centering oil cylinder (13) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730116.6A CN103743351B (en) | 2013-12-26 | 2013-12-26 | Railway freight car wheel is to bearing axial play measuring engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730116.6A CN103743351B (en) | 2013-12-26 | 2013-12-26 | Railway freight car wheel is to bearing axial play measuring engine |
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| CN103743351A true CN103743351A (en) | 2014-04-23 |
| CN103743351B CN103743351B (en) | 2016-06-08 |
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| CN201310730116.6A Active CN103743351B (en) | 2013-12-26 | 2013-12-26 | Railway freight car wheel is to bearing axial play measuring engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106346391A (en) * | 2016-11-23 | 2017-01-25 | 长春工程学院 | Train wheel set axial positioning device |
| CN108225248A (en) * | 2017-12-19 | 2018-06-29 | 柳州科路测量仪器有限责任公司 | Railway freight car wheel is to axle journal automatic measurement machine |
| CN108458664A (en) * | 2018-04-17 | 2018-08-28 | 江苏希西维轴承有限公司 | A kind of ball-head tension rod bearing axial play detection machine |
| CN113310711A (en) * | 2021-06-23 | 2021-08-27 | 吉林大学 | Centering and clamping device suitable for rail vehicle wheel pair measuring machine |
| CN113446922A (en) * | 2021-06-18 | 2021-09-28 | 天津中车四方轨道车辆有限公司 | Bearing clearance measuring device and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346391A (en) * | 2016-11-23 | 2017-01-25 | 长春工程学院 | Train wheel set axial positioning device |
| CN106346391B (en) * | 2016-11-23 | 2018-01-30 | 长春工程学院 | A kind of Railway wheelset axial direction positioning device |
| CN108225248A (en) * | 2017-12-19 | 2018-06-29 | 柳州科路测量仪器有限责任公司 | Railway freight car wheel is to axle journal automatic measurement machine |
| CN108225248B (en) * | 2017-12-19 | 2020-06-23 | 柳州科路测量仪器有限责任公司 | Automatic measuring machine for axle journal of railway wagon wheel pair |
| CN108458664A (en) * | 2018-04-17 | 2018-08-28 | 江苏希西维轴承有限公司 | A kind of ball-head tension rod bearing axial play detection machine |
| CN108458664B (en) * | 2018-04-17 | 2020-08-11 | 江苏希西维轴承有限公司 | Axial clearance detector for ball-head pull rod bearing |
| CN113446922A (en) * | 2021-06-18 | 2021-09-28 | 天津中车四方轨道车辆有限公司 | Bearing clearance measuring device and method |
| CN113310711A (en) * | 2021-06-23 | 2021-08-27 | 吉林大学 | Centering and clamping device suitable for rail vehicle wheel pair measuring machine |
| CN113310711B (en) * | 2021-06-23 | 2022-09-02 | 吉林大学 | Centering and clamping device suitable for rail vehicle wheel pair measuring machine |
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|---|---|
| CN103743351B (en) | 2016-06-08 |
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