CN103743351B - Railway freight car wheel is to bearing axial play measuring engine - Google Patents
Railway freight car wheel is to bearing axial play measuring engine Download PDFInfo
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- CN103743351B CN103743351B CN201310730116.6A CN201310730116A CN103743351B CN 103743351 B CN103743351 B CN 103743351B CN 201310730116 A CN201310730116 A CN 201310730116A CN 103743351 B CN103743351 B CN 103743351B
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Abstract
Railway freight-car wheel shaft bearing axial play measuring engine, comprises base portion, column planker, measuring head, hydraulic efficiency system, supervisory control desk; Wherein base portion comprises locating mechanism, centering body, pushes away wheel mechanism; Wherein locating mechanism comprises buffering mechanism and four rolling; Centering body comprises a road hydraulic ram and promotes the lever-type reinforcement centering body that two nested structures are identical, direction is contrary; The described wheel mechanism that pushes away comprises the identical leverage in left and right, promotes by a road pressure oil simultaneously and has an effect; (1) to be measured wheel go up being contained in base portion. This machine is arranged on wheel axle repair line, for special wheel axle bearing axial play; This machine in one-shot measurement process, can complete a wheel to the measurement of two side bearing axial plays automatically, and the storage of take off data and printing. Data can be traced to the source, and transfer convenience, efficiency height, labour intensity are little, safety.
Description
Technical field
The present invention relates to railway freight car wheel to bearing axial play measuring engine, it is railway freight-car wheel shaft bearing measuring custom-built machine, belongs to railway wheel axle field of measuring technique.
Background technology:
Bearing axial play measurement is high speed locomotive by railway freight car wheel, especially the important measure the item that high ferro wheel axle or dynamic word head wheel repacking are repaiied, conventional wheel axle bearing axial play, being adopt manual tool method to measure, read data every time, data acquisition errors is big, human factor impact is big, data can not be traced to the source, and transfer is inconvenient, efficiency is low, labour intensity is big, dangerous, not in full conformity with the pertinent regulations of the Ministry of Railways. Along with height institute of China railway development, as high speed locomotive truck wheel axles bearing axial play measure must very urgent try hard to catch up the epoch advance paces, urgent needs are a kind of to be arranged on wheel axle repair line, railway freight car wheel to bearing axial play measurement mechanical, for measuring wheel to bearing axial play.
Summary of the invention:
It is an object of the invention to provide railway freight car wheel to bearing axial play measuring engine, this kind of machine is arranged on wheel axle repair line, for special measuring wheel to bearing axial play. This machine in one-shot measurement process, can complete a wheel to the measurement of two side bearing axial plays automatically, and the storage of take off data and printing. Data can be traced to the source, and transfer convenience, efficiency height, labour intensity are little, safety.
The technical scheme of the present invention is: railway freight car wheel, to bearing axial play measuring engine, comprises base portion, column planker, measuring head, hydraulic efficiency system, supervisory control desk; Wherein, the pedestal of base portion, by wall screw, is fixed on ground; Described column planker, comprises column, guide rail, and two described columns relatively and vertically are arranged on the two ends of pedestal, and its middle carriage is contained in and is fixed on the guide rail on column, can slide up and down; Two described measuring heads are arranged on respective column planker; Between two column planker tops, laterally it is fixed wtih a rigid beam; Described hydraulic efficiency system, device is near this measuring engine; Electrical System computer control system of unifying is contained on supervisory control desk; To be measured take turns being contained in base portion.
Further, wherein, in base portion, be provided with two location buffering mechanisms, centering body, two send wheel mechanism; Wherein two location buffering mechanisms are respectively near pedestal both ends, also comprise the four rolling transversely rolled, take turns positioning to be measured; The centering body being arranged at middle part, comprises a lever-type reinforcement centering body that road centering oil cylinder pushing two nested structure is identical, direction is contrary, takes turns to be measured and centering located; Described sending wheel mechanism, comprise left and right identical Liang Tao hydraulic push rod mechanism, promote by a road pressure oil simultaneously and have an effect, driving wheel is to entering position to be measured.
Further, described column planker comprises two columns in left and right, is fixed on the two ends of pedestal, two column upper ends, are fixed with the crossbeam increasing rigidity, and in two columns, side is provided with vertical guide, guide rail is equipped with planker, by the action of hydraulic ram, planker is slided up and down on guide rail.
Further, described measuring head has two, is contained in respectively and can slide up and down on planker, and measuring head comprises measures oil cylinder, guide shaft, fork, grating measuring mechanism, proximity switch and displacement sensor; Having two guide shafts in measuring head, fork is contained on two guide shafts, and can prolong moving axially of guide shaft. Measuring oil cylinder is contained in above fork, displacement sensor control fork is utilized to be in mid-way, promote left and right fork to move inwards or outwards by a road hydraulic efficiency oil simultaneously, fork stirs the outer ring of wheel bearing, when driving grating to move to limit position, by computer acquisition grating position data, oil cylinder reverse direction moves when driving grating to move to another limit position, processes by computer acquisition grating position data.
Further, comprising conventional hydraulic efficiency system, hydraulic component, oil line, hydro-pump, a total working hydraulic pressure oil cylinder, is shown in accompanying drawing, respectively: the oil cylinder of the Level Promoting double-piston that left and right each drive grating moves; Left and right each lifting oil cylinder promoting the upper and lower slip of planker; Left and right each one is sent wheel push action cylinder; Middle one promotes left and right fork to move centering oil cylinder inwards or outwards simultaneously.
The railway freight car wheel of the present invention is to bearing axial play measuring engine, and the axial force being applied to bearing face adopts hydrostatic transmission and hydraulic pressure sensor to obtain the thrust needed. Axial play adopts displacement sensor collection, adopts industrial computer that the reactive force gathered and displacement are processed the reactive force of the axial play obtaining needs, adopts a road hydraulic pressure to act on bearing in opposite directions. Eliminating the interference of human factor, measuring speed significantly improves, and this machine in one-shot measurement process, can complete a wheel to the measurement of two side bearing axial plays automatically, and the storage of take off data and printing. Data can be traced to the source, and transfer convenience, efficiency height, labour intensity are little, safety.
Accompanying drawing explanation
Accompanying drawing is only as to the further understanding of specification sheets and explanation, but does not limit the present invention.
Fig. 1 is that railway freight car wheel of the present invention is to the structural perspective of bearing axial play measuring engine.
Fig. 2 is that railway freight car wheel of the present invention is to the front view of the base portion of bearing axial play measuring engine.
Fig. 3 is that railway freight car wheel of the present invention is to the vertical view of the base portion of bearing axial play measuring engine.
Fig. 4 is that railway freight car wheel of the present invention is to the front view of the centering body of bearing axial play measuring engine.
Fig. 5 is that railway freight car wheel of the present invention is to the vertical view of the centering body of bearing axial play measuring engine.
Fig. 6 is that railway freight car wheel of the present invention is to the front view of the column agency of bearing axial play measuring engine.
Fig. 7 is that railway freight car wheel of the present invention is to the front view sending wheel mechanism of bearing axial play measuring engine.
Fig. 8 is that railway freight car wheel of the present invention is to the vertical view sending wheel mechanism of bearing axial play measuring engine.
Fig. 9 is that railway freight car wheel of the present invention is to the location buffering mechanism front view of bearing axial play measuring engine.
Figure 10 is that railway freight car wheel of the present invention is to the location buffering mechanism vertical view of bearing axial play measuring engine.
Figure 11 is that railway freight car wheel of the present invention is to the front view of the measuring head of bearing axial play measuring engine.
Figure 12 is that railway freight car wheel of the present invention is to the side-view of the measuring head of bearing axial play measuring engine.
Figure 13 be railway freight car wheel of the present invention to bearing axial play measuring engine hydraulic system principle figure.
In figure, 1-base portion, 2-location buffering mechanism, 3-send wheel mechanism, 4-centering body, 5-measuring head, 6-column planker, 7-hydraulic efficiency system, 8-rigid beam, 9-pedestal, 10-wall screw, 11-supervisory control desk, 12-roller, 13-centering oil cylinder, 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-proximity switch, 24-displacement sensor, 25-oil cylinder, 26-oil cylinder, 27-hydraulic pressure oil pump.
Embodiment
The present invention and embodiment being described in detail below in conjunction with accompanying drawing, Fig. 1 is the stereographic map of railway freight-car wheel shaft bearing axial play measuring engine of the present invention.
The measuring principle of the present invention is:
The railway freight car wheel of the present invention is to bearing axial play measuring engine, and the axial force being applied to bearing face adopts hydrostatic transmission and hydraulic pressure sensor to obtain the thrust needed. Axial play adopts displacement sensor collection, adopts industrial computer that the reactive force gathered and displacement are processed the reactive force of the axial play obtaining needs, adopts a road hydraulic pressure to act on bearing in opposite directions. The machine eliminates the interference of human factor, and measuring speed significantly improves, and meets production line needs, and labour intensity reduces, and meets the national standard to this measuring parameter completely.
From accompanying drawing it can be seen that
Railway freight car wheel, to bearing axial play measuring engine, comprises base portion 1, column planker 6, measuring head 5, hydraulic efficiency system 7, supervisory control desk 11(not shown in FIG.); Wherein, the pedestal 9 of base portion 1, by wall screw 10, is fixed on ground; Described column planker 6, comprises column 15, guide rail 16, and two described columns 15 relatively and vertically are arranged on the two ends of pedestal 9, and its middle carriage 17 is contained on the guide rail 16 being fixed on column 15, can slide up and down; Two described measuring heads 5 are arranged on respective column planker 6, and can slide up and down at this planker 17; Laterally it is fixed wtih a rigid beam 8, to increase the rigidity of equipment between two column planker 6 tops; Described hydraulic efficiency system 7 device is near this measuring engine; Electrical System is unified computer control system, is contained on supervisory control desk 11, as shown in Figure 1.
Further, in base portion 1, two location buffering mechanisms 2, centering bodies 4, two are installed and send wheel mechanism 3; Wherein two location buffering mechanisms 2 respectively near pedestal 9 two ends, also comprise the four rolling 12 transversely rolled, for be measured take turns to running fix; The centering body 4 being arranged at middle part, comprises a road hydraulic ram 13, promotes two nested structures are identical, direction is contrary lever-type reinforcement centering body (4), takes turns to be measured carrying out centering location; Described sending wheel mechanism 3, comprise left and right identical Liang Tao hydraulic push rod mechanism 26, promote by a road pressure oil simultaneously and have an effect, driving wheel is to entering position to be measured.
Further, described column planker 6 comprises two columns 15 in left and right, is fixed on the two ends of pedestal 9, and in two columns 5, side is provided with vertical guide 16, and guide rail 16 is equipped with planker 17, by the action of hydraulic ram 18, planker 17 is slided up and down on guide rail.
Further, described measuring head 5 has two, is contained in respectively and described can slide up and down on planker 17, and measuring head 5 comprises measures oil cylinder 19, guide shaft 20, fork 21, grating measuring mechanism 22, proximity switch 23 and displacement sensor 24; Having two guide shafts 20 in measuring head 5, fork 21 is contained on two guide shafts, and can prolong moving axially of guide shaft 20. Measuring oil cylinder 19 is contained in above fork 21, utilize displacement sensor 24 to control fork 21 and it is in mid-way, by a road hydraulic efficiency oil, promote left and right fork 21 to move inwards or outwards simultaneously, fork 21 stirs the outer ring of wheel bearing, when driving grating to move to limit position, by computer acquisition grating position data, oil cylinder 25 reverse direction moves when driving grating to move to another limit position, processes by computer acquisition grating position data. Then by the data record of process, storage or printing or HMIS system is uploaded by computer.
Further, comprise conventional hydraulic efficiency system, hydraulic component 7, oil line, hydro-pump, have 7 working hydraulic pressure oil cylinders, see accompanying drawing 13, respectively: the oil cylinder 25 of the Level Promoting double-piston that left and right each drive grating moves; Left and right each lifting oil cylinder 19 promoting the upper and lower slip of planker; Left and right each one is sent wheel push action cylinder 26; Middle one promotes left and right fork to move centering oil cylinder 13 inwards or outwards simultaneously.
Hydraulic efficiency system, hydraulic component 7 are all prior aries, and those skilled in the art see that figure just knows, are not therefore stating more.
In addition, Electrical System is unified computer control system, is all contained in 11 li, supervisory control desk, and the machine all hydraulic action and machinery action, all come complete by supervisory control desk. Computer acquisition grating placement data acquisition, process, print, upload, also the common practise of modern computer technology is all belonged to, the axial mechanical part of play measuring engine of the wheel set bearing of the present invention and the control of hydraulic part and action, it it is all conventional action, therefore in the circuit control part of conputer controlled and hydrostatic control, it is all the combination of prior art, seldom describes at this.
The main technical indicator of above-described embodiment is: 1. indication error: �� 0.03mm; 2. scale division value: 0.01mm; 3. measure force: (294-490) N �� 5N; 4. Measuring Time :��90s.
The main technology feature of above-described embodiment is:
1. in railway systems, first achieve railway freight car wheel to bearing axial play all automatic measurement, it is the innovation of railway detection technique.
2. can being measured by double-sided bearings, speed is fast, precision height simultaneously.
3. measure force can be preset, and measuring result is exportable, stores, prints, uploads HMIS system.
It should be noted that; about the design of the present invention; to those skilled in the art; can according to the technical scheme of disclosed the present invention; under the guidance of this design, reasoning draws multiple technical scheme similar, that maybe can substitute, but; every various technical schemes belonged under this design, all within the protection domain of the application's claim book.
Claims (4)
1. railway freight car wheel is to bearing axial play measuring engine, it is characterised in that, comprise base portion (1), column planker (6), measuring head (5), hydraulic efficiency system (7), supervisory control desk (11); Wherein, the pedestal (9) of base portion (1), by wall screw (10), is fixed on ground; Described column planker (6), comprise column (15), guide rail (16), two columns (15) relatively and vertically are arranged on the two ends of pedestal (9), its middle carriage (17) is contained on the guide rail (16) being fixed on column (15), can slide up and down; Two described measuring heads (5) are arranged on respective column planker (6) respectively; Between two column planker (6) tops, laterally it is fixed wtih a rigid beam (8); (7), device is near this measuring engine for described hydraulic efficiency system; Electrical System computer control system of unifying is contained on supervisory control desk (11); To be measured take turns being contained in base portion (1); Wherein, in base portion (1), be also provided with two location buffering mechanism (2), centering body (4), two send wheel mechanism (3); Wherein two location buffering mechanism (2) are respectively near pedestal (9) both ends, also comprise the four rolling (12) transversely rolled, take turns positioning to be measured; The centering body (4) being arranged at middle part, comprises road centering oil cylinder (13) and promotes the lever-type reinforcement centering body (4) that two nested structures are identical, direction is contrary, takes turns centering location to be measured; Described sending wheel mechanism (3), comprise left and right identical Liang Tao hydraulic push rod mechanism, promote by a road pressure oil simultaneously and have an effect, driving wheel is to entering position to be measured.
2. according to railway freight car wheel according to claim 1 to bearing axial play measuring engine, it is characterized in that, wherein, described column planker (6) comprises two columns (15), the two ends being fixed on pedestal (9), column (15) interior side is provided with vertical guide (16), and guide rail (16) is equipped with planker (17), by the action of hydraulic ram (18), it is possible to make planker (17) slide up and down on guide rail.
3. according to railway freight car wheel according to claim 2 to bearing axial play measuring engine, it is characterized in that, wherein, described measuring head (5) has two, being contained on the planker that can slide up and down (17) respectively, measuring head (5) comprises measures oil cylinder (19), guide shaft (20), fork (21), grating measuring mechanism (22), proximity switch (23) and displacement sensor (24); Having two guide shafts (20) in measuring head, fork (21) is contained on two guide shafts, and can prolong moving axially of guide shaft (20); Measuring oil cylinder (19) is contained in above fork (21), displacement sensor (24) control fork (21) is utilized to be in mid-way, promote left and right fork (21) to move inwards or outwards by a road hydraulic efficiency oil simultaneously, fork (21) stirs the outer ring of wheel bearing, when driving grating to move to limit position, by computer acquisition grating position data, oil cylinder (25) reverse direction moves when driving grating to move to another limit position, processes by computer acquisition grating position data.
4. according to railway freight car wheel according to claim 3 to bearing axial play measuring engine, comprise conventional hydraulic efficiency system (7), hydraulic component, oil line, hydro-pump, it is characterized in that, have 7 working hydraulic pressure oil cylinders, respectively: the oil cylinder (25) of the Level Promoting double-piston that left and right each drive grating moves; Left and right each lifting oil cylinder (19) promoting the upper and lower slip of planker; Left and right each one is sent wheel push action cylinder (26); Middle one promotes left and right fork to move centering oil cylinder (13) inwards or outwards simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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 CN103743351A (en) | 2014-04-23 |
| CN103743351B true CN103743351B (en) | 2016-06-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346391B (en) * | 2016-11-23 | 2018-01-30 | 长春工程学院 | A kind of Railway wheelset axial direction positioning device |
| 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 |
| 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 |
| CN113446922B (en) * | 2021-06-18 | 2022-09-27 | 天津中车四方轨道车辆有限公司 | Bearing clearance measuring device and method |
| 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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