CN103673825A - Device for measuring distance difference between treading surface and journal surface of railway vehicle wheel set - Google Patents
Device for measuring distance difference between treading surface and journal surface of railway vehicle wheel set Download PDFInfo
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- CN103673825A CN103673825A CN201310686553.2A CN201310686553A CN103673825A CN 103673825 A CN103673825 A CN 103673825A CN 201310686553 A CN201310686553 A CN 201310686553A CN 103673825 A CN103673825 A CN 103673825A
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- wheel tread
- journal surface
- vertical rod
- range difference
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Abstract
The invention provides a device for measuring the distance difference between a treading surface and a journal surface of a railway vehicle wheel set. The device comprises a supporting device, a vertical rod piece, a framework and a transverse ruler, wherein the bottom of the supporting device is supported by an axle of the wheel set; the bottom of the vertical rod piece is connected with the supporting device; the framework comprises a sliding frame which is arranged in a sliding mode along the vertical rod piece in the length direction of the vertical rod piece, and the sliding frame is connected with a ruler frame which is horizontally arranged; the transverse ruler is arranged in the ruler frame in a penetrating mode, and is arranged in a sliding mode along the ruler frame in the length direction of the ruler frame; a dial indicator is connected to one end of the transverse ruler, and a contact of the dial indicator is vertically arranged. By means of the device for measuring the distance difference between the treading surface and the journal surface of the railway vehicle wheel set, the accuracy of measurement can be improved, measurement is easy, and product quality is improved.
Description
Technical field
The present invention relates to rolling stock measurement mechanism technology, relate in particular to a kind of rolling stock wheel tread and journal surface range difference measurement mechanism.
Background technology
Wheel is one of critical component guaranteeing bogies for railway vehicles performance to device, and the quality of its product quality directly affects riding quality and the traffic safety of rolling stock.In view of the importance of wheel to product, Chinese Railway main office has made many relevant regulations to wheel to product, and issues with industry standard (the standard TB of the Ministry of Railways) and the form of Ministry of Railways's file.[2007] No. 95 file < < railway carriage wheels of Railway transportation to roller-bearing axle box assembling and regulation of inspection and repair > > in stipulate in the 4th chapter 4.2.7.7 money: " range difference of same wheel tread and journal surface is: when the highest running speed of vehicle is no more than 120km/h, range difference should be no more than 0.6mm; When the highest running speed of vehicle is greater than 120km/h and is no more than 160km/h, range difference should be no more than 0.5mm; When the highest running speed of vehicle is greater than 160km/h and is no more than 200km/h, range difference should be no more than 0.4mm ".The range difference of same wheel tread and journal surface, refers in diameter (D) circumference of same wheel tread baseline the difference of ultimate range L1 and minor increment L2, i.e. L1-L2 between wheel tread and journal surface.
In prior art, the measuring process of the range difference of same wheel tread and journal surface is: first, with center pit location, the right two ends of wheel, by wheel to being lifted on engine lathe.Then, magnetic force dial gauge is installed on the knife rest of lathe, start to measure, concrete measuring process is as follows: the first step, dial gauge is measured to contact and be placed in axle journal place (bearings mounted position), manual dish moves or lathe slow-speed of revolution operation makes wheel to rotation, measures the diameter run-out value of the relative axis of axle journal; Second step: dial gauge is measured to contact and be placed in wheel tread baseline place, manual dish moves or lathe slow-speed of revolution operation makes wheel to rotation, measures the diameter run-out value of the relative axis of wheel tread.Finally, the diameter run-out value of the diameter run-out value of axle journal face and tread is added, thinks that this value is the range difference of same wheel tread and journal surface.
Existing measuring method, the data of measurement are not values truly, because the diameter run-out value of the diameter run-out value of axle journal face and tread is added to obtained data, can only be the sums of beating of two diametral planes, not range difference.When measuring contact and detect journal surface and beat with dial gauge, be subject to the impact of metering system, even if measurement point is a plurality of positions, can not the whole journal surface of envelope, more can not reflect the time of day of whole journal surface.Adopt axletree end center pit locator meams, the result of measurement has just comprised the error amount of central hole location degree, makes measurement result not accurate enough.Metering system is loaded down with trivial details, need to measure respectively journal surface and tread, then data are added, and the effort of taking a lot of work, and also measurement result can not directly read.Qualified product is judged to be defective or underproof product is judged to be to qualified risk, may appear in unreasonable due to measurement scheme.
Summary of the invention
The invention provides a kind of rolling stock wheel tread and journal surface range difference measurement mechanism, with improve measurement accuracy, be easy to measure, improve the quality of products.
The invention provides a kind of rolling stock wheel tread and journal surface range difference measurement mechanism, comprising:
Bracing or strutting arrangement, the bottom of described bracing or strutting arrangement is for being supported on the right axletree of wheel;
Vertical rod member, the bottom of described vertical rod member is connected with described bracing or strutting arrangement;
Framework, comprises sliding sash, and described sliding sash arranges along length direction and the described vertical rod member slip of described vertical rod member, and described sliding sash is connected with chi frame, and described chi frame is horizontally disposed with;
Crossfoot, is located in described chi frame, and arranges along length direction and the slip of described chi frame of described chi frame, and one end of described crossfoot is connected with dial gauge, and the contact of described dial gauge vertically arranges.
Based on above-mentioned, rolling stock wheel tread provided by the invention and journal surface range difference measurement mechanism, in use, the bottom support of bracing or strutting arrangement is being taken turns on right axletree, adjust afterwards the position of framework and crossfoot, the contact of dial gauge is positioned on the right wheel tread baseline of wheel, and guarantee that the measurement contact of dial gauge overlaps with wheel tread baseline, can coil by hand subsequently or lathe slow-speed of revolution operation makes wheel to rotation, and make measurement mechanism and ground relative positioning by hand or stationary installation, directly read the variation numerical value of dial gauge, be the range difference of wheel tread and journal surface.The range difference accuracy of the wheel tread recording thus and journal surface is high, is beneficial to assurance product quality, and measuring process is simple, easy to operate.
Accompanying drawing explanation
A kind of rolling stock wheel tread that Fig. 1 provides for the embodiment of the present invention and the structural representation of journal surface range difference measurement mechanism;
Fig. 2 is the left view (omission dial gauge) of Fig. 1.
Reference numeral:
101: bracing or strutting arrangement; 102: vertical rod member; 103: sliding sash;
104: chi frame; 105: crossfoot; 106: dial gauge;
107: contact; 108: the first locating devices; 109: the second locating devices;
110: location stop; 111: support; 112: handle;
201: axletree; 202: wheel tread baseline; 203: journal back fillet.
Embodiment
Please refer to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of rolling stock wheel tread and journal surface range difference measurement mechanism, comprising: bracing or strutting arrangement 101, and the bottom of described bracing or strutting arrangement 101 is for being supported on the right axletree 201 of wheel; Vertical rod member 102, the bottom of described vertical rod member 102 is connected with described bracing or strutting arrangement 101; Framework, comprises sliding sash 103, and described sliding sash 103 arranges along length direction and 102 slips of described vertical rod member of described vertical rod member 102, and described sliding sash 103 is connected with chi frame 104, and described chi frame 104 is horizontally disposed with; Crossfoot 105, is located in described chi frame 104, and arranges along length direction and 104 slips of described chi frame of described chi frame 104, and one end of described crossfoot 105 is connected with dial gauge 106, and the contact 107 of described dial gauge 106 vertically arranges.
In the present embodiment, in use, the bottom support of bracing or strutting arrangement 101 is being taken turns on right axletree 201, adjust afterwards the position of framework and crossfoot 105, the contact of dial gauge 106 107 is positioned on the right wheel tread baseline 202 of wheel, and guarantee that the measurement contact 107 of dial gauge 106 overlaps with wheel tread baseline 202, can coil by hand subsequently or lathe slow-speed of revolution operation makes wheel to rotation, and make measurement mechanism and ground relative positioning by hand or stationary installation, directly read the variation numerical value of dial gauge 106, be the range difference of wheel tread and journal surface.The range difference accuracy of the wheel tread recording thus and journal surface is high, is beneficial to assurance product quality, and measuring process is simple, easy to operate.
In the present embodiment, preferred, on described crossfoot 105, there is scale, described chi frame 104 is provided with vernier, for reading the scale of described crossfoot 105, with according to the right wheel tread baseline 202 of wheel and the setpoint distance L of journal back fillet 203, described contact 107 is positioned on wheel tread baseline 202.Wheel is to being a setpoint distance having assembled between rear wheel tread baseline 202 and journal back fillet 203, can or directly measure by the right design parameter of wheel, obtain this setpoint distance, thus, according to this setpoint distance, the position of capable of regulating crossfoot 105, and by the vernier on chi frame 104, read the scale of crossfoot 105, thereby the contact 107 that makes dial gauge 106 can be positioned on the right wheel tread baseline 202 of wheel accurately, and guarantee that the measurement contact 107 of dial gauge 106 overlaps with wheel tread baseline 202, improve thus the accuracy of measuring.Wherein, the scale of position that can contact 107 is set to 0, and makes the edge of vernier and journal back fillet 203 be positioned at same vertical plane, and now, when value that vernier reading is this setpoint distance, contact 107 is just positioned on wheel tread baseline 202.Certainly also can be set to there is known distance with place, the edge vertical plane of journal back fillet 203 by vernier, and the addition by this setpoint distance and this known distance or subtract each other, the reading of determining vernier, for when, can guarantee that contact 107 is positioned on wheel tread baseline 202.
In the present embodiment, preferred, sliding sash 103 is provided with the first locating device 108, for making described sliding sash 103 and described vertical rod member 102 relative positionings; Chi frame 104 is provided with the second locating device 109, for making described chi frame 104 and described crossfoot 105 relative positionings.Thus, can make easily sliding sash 103 and vertical rod member 102 relative positionings, make chi frame 104 and crossfoot 105 relative positionings, certainly, also can realize location by independent locating device, the present invention is not specifically limited this.
In the present embodiment, preferred, the first locating device 108 and the second locating device 109 are bolt, simple in structure, easy to operate.
In the present embodiment, preferably, rolling stock wheel tread and journal surface range difference measurement mechanism also comprise location stop 110, described location stop 110 is horizontally disposed with, the first end of described location stop 110 is connected with described bracing or strutting arrangement 101, and the second end of described location stop 110 is for supporting the edge of described journal back fillet 203.In use, first the bottom support of bracing or strutting arrangement 101 is being taken turns on right axletree 201, the second end that makes afterwards to locate stop 110 supports the edge of journal back fillet 203, increase thus measurement mechanism along the axial stability of axletree 201, avoid the measurement contact 107 of dial gauge 106 when measuring that axial motion occurs, thereby affect authenticity and the accuracy of measurement result.
In the present embodiment, preferred, the xsect of bracing or strutting arrangement 101 is V font.Thus the open card of V word is held on axletree 201, has increased the stability of measurement mechanism.
In the present embodiment, preferred, bottom is provided with protective pad, for contacting with described axletree 201, can prevent that 101 pairs of journal surface of bracing or strutting arrangement cause wearing and tearing in taking turns rotation process while measuring thus.
In the present embodiment, preferred, vertically between rod member 102 and described bracing or strutting arrangement 101, be provided with support 111, described support 111 is provided with handle 112.Can increase the intensity of measurement mechanism thus, and be convenient for measuring the hand-held location of device.
In the present embodiment, preferably, between sliding sash 103 and described vertical rod member 102 and between described chi frame 104 and described crossfoot 105, be respectively equipped with spring leaf, can reduce thus sliding sash 103 and the vertically horizontal shift between rod member 102, and the vertical displacement between chi frame 104 and crossfoot 105, reduce measuring error.
The rolling stock wheel tread that the embodiment of the present invention provides and journal surface range difference measurement mechanism, applicable to motor train unit and passenger train, can eliminate the measuring error equal error of central hole location degree error, journal surface deviation from cylindrical form and part to measuring the impact of numerical value, the authenticity of measurement result and degree of accuracy are had increased significantly.Measurement result reflects the distance difference between wheel tread and journal surface really, has avoided qualified product be judged to be defective or underproof product is judged to be to qualified mistake.Have advantages of simultaneously simple in structure, easy to use, reliability and durability, be easy to measure, efficiency is high, cost is low, high safety.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. rolling stock wheel tread and a journal surface range difference measurement mechanism, is characterized in that, comprising:
Bracing or strutting arrangement, the bottom of described bracing or strutting arrangement is for being supported on the right axletree of wheel;
Vertical rod member, the bottom of described vertical rod member is connected with described bracing or strutting arrangement;
Framework, comprises sliding sash, and described sliding sash arranges along length direction and the described vertical rod member slip of described vertical rod member, and described sliding sash is connected with chi frame, and described chi frame is horizontally disposed with;
Crossfoot, is located in described chi frame, and arranges along length direction and the slip of described chi frame of described chi frame, and one end of described crossfoot is connected with dial gauge, and the contact of described dial gauge vertically arranges.
2. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, it is characterized in that, on described crossfoot, there is scale, described chi frame is provided with vernier, for reading the scale of described crossfoot, with according to the right wheel tread baseline of wheel and the setpoint distance of journal back fillet, described contact is positioned on wheel tread baseline.
3. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, is characterized in that:
Described sliding sash is provided with the first locating device, for making described sliding sash and described vertical rod member relative positioning;
Described chi frame is provided with the second locating device, for making described chi frame and described crossfoot relative positioning.
4. rolling stock wheel tread according to claim 3 and journal surface range difference measurement mechanism, is characterized in that, described the first locating device and the second locating device are bolt.
5. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, it is characterized in that, also comprise location stop, described location stop is horizontally disposed with, the first end of described location stop is connected with described bracing or strutting arrangement, and the second end of described location stop is for supporting the edge of described journal back fillet.
6. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, is characterized in that, the xsect of described bracing or strutting arrangement is V font.
7. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, is characterized in that, described support means bottom portion is provided with protective pad, for contacting with described axletree.
8. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, is characterized in that, between described vertical rod member and described bracing or strutting arrangement, is provided with support, and described support is provided with handle.
9. rolling stock wheel tread according to claim 1 and journal surface range difference measurement mechanism, is characterized in that, between described sliding sash and described vertical rod member and between described chi frame and described crossfoot, is respectively equipped with spring leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686553.2A CN103673825A (en) | 2013-12-16 | 2013-12-16 | Device for measuring distance difference between treading surface and journal surface of railway vehicle wheel set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686553.2A CN103673825A (en) | 2013-12-16 | 2013-12-16 | Device for measuring distance difference between treading surface and journal surface of railway vehicle wheel set |
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| CN103673825A true CN103673825A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310686553.2A Pending CN103673825A (en) | 2013-12-16 | 2013-12-16 | Device for measuring distance difference between treading surface and journal surface of railway vehicle wheel set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111928763A (en) * | 2020-07-16 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Detection device for detecting eccentricity of wheel tread |
| CN113324472A (en) * | 2021-05-12 | 2021-08-31 | 重庆工程职业技术学院 | Detection device and train wheel circle detection device that beats |
| CN113465479A (en) * | 2021-06-28 | 2021-10-01 | 宝武集团马钢轨交材料科技有限公司 | Concentricity deviation measuring device and method for railway wheels |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928763A (en) * | 2020-07-16 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Detection device for detecting eccentricity of wheel tread |
| CN113324472A (en) * | 2021-05-12 | 2021-08-31 | 重庆工程职业技术学院 | Detection device and train wheel circle detection device that beats |
| CN113465479A (en) * | 2021-06-28 | 2021-10-01 | 宝武集团马钢轨交材料科技有限公司 | Concentricity deviation measuring device and method for railway wheels |
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Application publication date: 20140326 |