CN1183338A - Axle press-fitting machine - Google Patents
Axle press-fitting machine Download PDFInfo
- Publication number
- CN1183338A CN1183338A CN 97109274 CN97109274A CN1183338A CN 1183338 A CN1183338 A CN 1183338A CN 97109274 CN97109274 CN 97109274 CN 97109274 A CN97109274 A CN 97109274A CN 1183338 A CN1183338 A CN 1183338A
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- CN
- China
- Prior art keywords
- backbar
- axle
- wheel shaft
- chassis
- press
- 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.)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
An improved pressure assembling machine for wheel and axle of railway rolling stock is composed of chassis, fixing and bearing beams on the chassis, supporting column connected between fixing and bearing beams, and axle carriage or wheel-axle lifting unit. A stop plate is installed to central position of bearing beam, and has an axle inserting hole corresponding to the central hole of bearing beam. An axial displacement sensor is arranged in the central hole of bearing beam. Its advantage is that the interval of wheel rim end faces or assembled distance is measured while pressure curve can be drawn with high measuring precision.
Description
The present invention relates to be used for the improvement of the axle press-fitting machine of rolling stock axle press-fitting.
The requirement that the railway axle wheel is press-fited according to railway interests, wheel rim is measured distance between the end face and two-wheeled certain tolerance is arranged for the symmetry at wheel shaft center, to press-fiting in the process, require to draw pressure curve in addition, this curve also should satisfy certain condition.When existing axle press-fitting machine is worked, press-fit distance and measure by manually utilizing special-purpose gage, draw the pressure displacement curve with mechanical method, whether artificial judgment is qualified, and labor strength is big, and precision is low, and can not draw the actual pitch of two wheels.For fear of the error of manual measurement, reduce labour intensity, present solution is to establish displacement transducer on the built-in beam or on the holder axle dolly, but because the distortion of backbar when press-fiting make the measurement structure precision not high, and wheel still can not directly record to spacing.
The purpose of this invention is to provide and a kind ofly draw pressure curve and the high axle press-fitting machine of certainty of measurement when can or press-fit distance in actual measurement wheel rim measuring junction interplanar distance.
The solution of the present invention is: comprise the chassis, be located at built-in beam and backbar on the chassis, the pillar two ends link with built-in beam and backbar respectively, the chassis is provided with holder axle dolly or wheel shaft boom hoisting, difference is that the backbar center is provided with the baffle plate of being close to the backbar panel, the position of the corresponding backbar centre bore at baffle plate middle part is provided with the hole that wheel shaft is inserted, and in the backbar centre bore shaft position sensor is arranged.
Press such scheme, but other is provided with the measuring unit of socket wheel shaft end, measuring unit is the hollow cylinder of an end opening, and axial length can be close to wheel shaft shoulder seam when making it to be inserted in wheel shaft.
The contact of displacement transducer withstands on the end face maintenance certain pressure of axle before press-fiting.When press-fiting, measure the fixed range of the distance of end face (inner face) and displacement transducer contact and baffle plate end face when the zero-bit according to the total length of wheel shaft or the last two shoulder seam spacings of axle, core wheel outer face to wheel rim, the relative shift of actual measurement core wheel outer face and homonymy wheel axle end surface or shoulder seam and actual distance, and the actual measurement wheel is to the symmetry at axle center or take turns right distance, the pressure sensor that cooperates master cylinder is drawn the pressure displacement curve.This programme makes the revolution gap of axle and the distortion of error, pillar and beam not influence certainty of measurement, thereby certainty of measurement is improved.Can draw the pressure displacement curve automatically, be convenient to realize automatic control.
Another scheme of the present invention is: built-in beam and backbar, the pillar two ends of comprise the chassis, being located on the chassis link with built-in beam and backbar respectively, the chassis is provided with holder axle dolly, difference is on the holder axle dolly displacement transducer to be housed, and two contacts place two axial outer ends of holder axle dolly respectively.
Press such scheme, difference is to be provided with the baffle plate of being close to the backbar panel on the backbar center, and the position of the corresponding backbar centre bore at baffle plate middle part is provided with the hole that wheel shaft is inserted, and in the backbar centre bore shaft position sensor is arranged.
Before press-fiting, contact withstands on the measurement end face of wheel, keeps certain pressure; If during a displacement transducer, moving chi and scale respectively are with a measuring contacts, and when measuring the symmetry of first wheel, a measuring contacts is return the zero-bit fixed position.When press-fiting, according to displacement transducer when the zero-bit and relative position, sensor and the electric control system controls at the fixed range at dolly center, axle center and dolly center and survey wheel to the symmetry at axle center or take turns right actual range, cooperate pressure sensor, drawing pressure displacement curve.This programme actual measurement wheel has been avoided the error of the indirect measurement of conventional method to spacing, therefore can improve certainty of measurement.
Fig. 1 is the structure chart of a scheme of the present invention.
Fig. 2 is the structure chart of measurement mechanism among Fig. 1.
Fig. 3 is the structure chart of another program of the present invention.
Fig. 4 is the structure chart of measuring unit.
As shown in Figure 1, comprise chassis 7, be located at built-in beam 6 and backbar 8 on the chassis, pillar 9 two ends link with backbar and built-in beam respectively, the chassis is provided with holder axle dolly 2, and the center of backbar is provided with measurement mechanism 1, and 3 is tested wheel shaft among the figure, 4 is cylinder, and 5 is drop hanger.Measurement mechanism shown in Figure 2, baffle plate 10 are installed in the backbar middle part, and corresponding backbar central hole is provided with the hole that wheel shaft is inserted, and shaft position sensor comprises sensor 11, spring 12, gage outfit 13 and alignment pin 14.
As shown in Figure 3, there are two 15, two contacts of contact that are arranged with displacement transducer to be positioned at two axial outer ends of holder axle dolly on the holder axle dolly 2.
Measuring unit shown in Figure 4 is the hollow cylinder of an end opening, and two-layer inside and outside comprising, skin is a plastic sheath 17, and internal layer is steel bushing or copper sheathing 16.Two end face distances of outer layer plastic cover are fixed length, play the transition measuring basis, and internal layer can be protected outer field measurement face on the one hand, can play the guiding role when press-fiting wheel on the other hand, also can protect the endoporus of wheel.During use, put a measuring unit at the two ends of axle, feel relieved with the endoporus of cover and the external diameter of axle head, one end of cover is close to the seam of a upper shoulder, the other end is close to the gage outfit of backbar intrinsic displacement sensor, the total length of cover is the definite value that tolerance is arranged, and to make the seam end face be the purpose of measuring basis to reach.
Claims (5)
1, a kind of axle press-fitting machine, comprise the chassis, be located at built-in beam and backbar on the chassis, the pillar two ends link with built-in beam and backbar respectively, the chassis is provided with holder axle dolly or wheel shaft boom hoisting, it is characterized in that the backbar center is provided with the baffle plate of being close to the backbar panel, the position of the corresponding backbar centre bore at baffle plate middle part is provided with the hole that wheel shaft is inserted, and in the backbar centre bore shaft position sensor is arranged.
2, by the described axle press-fitting machine of claim 1, but it is characterized in that being provided with in addition the measuring unit of socket wheel shaft end, measuring unit is the hollow cylinder of one or both ends opening, and axial length can be close to wheel shaft shoulder seam when making it to be inserted in wheel shaft.
3, a kind of axle press-fitting machine, the built-in beam and backbar, the pillar two ends that comprise the chassis, be located on the chassis link with built-in beam and backbar respectively, the chassis is provided with holder axle dolly, it is characterized in that on the holder axle dolly displacement transducer being housed, two contacts place two axial outer ends of holder axle dolly respectively.
4, by the described axle press-fitting machine of claim 3, it is characterized in that on the backbar center, being provided with the baffle plate of being close to the backbar panel, the position of the corresponding backbar centre bore at baffle plate middle part is provided with the hole that wheel shaft is inserted, and in the backbar centre bore shaft position sensor is arranged.
5, by claim 3 or 4 described axle press-fitting machines, but it is characterized in that being provided with in addition the measuring unit of socket wheel shaft end, measuring unit is the hollow cylinder of one or both ends opening, and axial length can be close to wheel shaft shoulder seam when making it to be inserted in wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97109274 CN1183338A (en) | 1997-10-21 | 1997-10-21 | Axle press-fitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97109274 CN1183338A (en) | 1997-10-21 | 1997-10-21 | Axle press-fitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1183338A true CN1183338A (en) | 1998-06-03 |
Family
ID=5171079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97109274 Pending CN1183338A (en) | 1997-10-21 | 1997-10-21 | Axle press-fitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1183338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149047A1 (en) | 2009-06-23 | 2010-12-29 | 杭州肯莱特传动工业有限公司 | Composite v-belt transmission system combining the friction transmission with the mesh transmission |
-
1997
- 1997-10-21 CN CN 97109274 patent/CN1183338A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149047A1 (en) | 2009-06-23 | 2010-12-29 | 杭州肯莱特传动工业有限公司 | Composite v-belt transmission system combining the friction transmission with the mesh transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |