CN103398646A - Device and method for detecting size of inner cavity of railway vehicle - Google Patents
Device and method for detecting size of inner cavity of railway vehicle Download PDFInfo
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- CN103398646A CN103398646A CN2013103754699A CN201310375469A CN103398646A CN 103398646 A CN103398646 A CN 103398646A CN 2013103754699 A CN2013103754699 A CN 2013103754699A CN 201310375469 A CN201310375469 A CN 201310375469A CN 103398646 A CN103398646 A CN 103398646A
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Abstract
The invention relates to a detection device and a detection method, and in particular relates to a device and a method for detecting the size of an inner cavity of a railway vehicle. The device comprises a box body composed of a web, two end cover plates and two cover plates; at least one stick wheel carrier is respectively fixed on each of two sides of the box body. Therefore, the device and the method have the advantages that 1, the method for detecting the inner cavity is simple, the detection device is only needed to be put into the inner cavity formed by a traction beam, and whether the inner cavity is qualified or not can be judged, so that the detection efficiency is high; 2, the device for detecting the inner cavity is simple in structure, simple to manufacture and low in cost; 3, the method and the device for detecting the inner cavity can guarantee that the sizes of the inner cavities are completely qualified.
Description
Technical field
The present invention relates to a kind of detection method and device thereof of mechanical hook-up inner cavity size, especially relate to a kind of pick-up unit and detection method of rolling stock inner cavity size.
Background technology
Rolling stock all needs to install coupler and draft gear, the longitudinal force and the impulsive force that for alleviating train, at operational process, produce.Coupler and draft gear is arranged in the inner chamber that the draw beam of rolling stock forms, and the size of this inner chamber is regarded as critical size, directly affects final success coupler and draft gear is installed.Inner chamber consists of front draft lug (left side), front draft lug (right side), rear draft lug (left side), rear draft lug (right side), draw beam web (left side), draw beam web (right side), draw beam upper cover plate, draw beam lower cover assembly welding.For example we export the vitals draw beam composition of the railway freight-car of the U.S., and the longitudinal size that needs to guarantee all positions of inner chamber is
, need not only to guarantee that draw beam forms the front draft lug (left side) of homonymy and the distance between rear draft lug (left side) is
, and the distance between front draft lug (right side) and rear draft lug (right side) is
, and the front draft lug (left side) and rear draft lug (right side) fore-and-aft distance (length direction) each other that need to guarantee draw beam composition heteropleural are
, and front draft lug (right side) and rear draft lug (left side) fore-and-aft distance (length direction) each other are
, as Fig. 1 draw beam, form as shown in the inner chamber schematic diagram.
Because the draw beam composition of outlet need to be assembled coupler and draft gear abroad, therefore must guarantee the draw beam inner cavity size, the guarantee client installs coupler and draft gear smoothly like this.
Existing technical scheme adopts tape measure and angle square to measure inner cavity size.
At first adopt the tape measure draw beam to form the fore-and-aft distance between the same side front draft lug and rear draft lug
.In the assembly welding process, there are assembling deviation and welding deformation, and there are mismachining tolerance in front draft lug and rear draft lug accessory, therefore may cause front draft lug and the distance between rear draft lug, the size difference of diverse location in vertical direction that is arranged on homonymy on the draw beam web.We must adopt tape measure to choose in vertical direction the fore-and-aft distance between 5 place's position measurement front draft lugs (left side) and rear draft lug (left side), and the fore-and-aft distance between front draft lug (right side) and rear draft lug (right side), to guarantee that between homonymy front draft lug and rear draft lug, any position meets
Dimensional requirement.
The front draft lug (left side) and rear draft lug (right side) fore-and-aft distance (length direction) each other that for draw beam, form heteropleural in inner chamber, and front draft lug (right side) and rear draft lug (left side) fore-and-aft distance each other
Can't directly measure by tape measure, must adopt two L300X300 angle squares and tape measure conjunction measuring.While for example measuring each other fore-and-aft distance (length direction) of front draft lug (left side) and rear draft lug (right side), one side of one of them angle square is placed on draw beam web (left side), another side alignment front draft lug (left side) side, the another one angle square is placed on the draw beam web on opposite, another side alignment rear draft lug (right side) side, then using the distance between tape measure two angle squares, is exactly needed distance.Due to the impact of welding deformation and draw beam web plane degree, often cause measurement inaccurate.This measuring method needs two people to coordinate just and can complete in addition, and one of them people operates an angle square, and another person operates other one angle square.
Yet there are problems in prior art:
(1) for the front draft lug (left side) of homonymy and the fore-and-aft distance between rear draft lug (left side), and the fore-and-aft distance between front draft lug (right side) and rear draft lug (right side) is measured, during due to actual measurement, this inner chamber three side sealing closes, and adopts tape measure often to occur that measurement difficulty, tape measure tilt to cause measuring error.Choose in vertical direction in addition 5 positions, place and carry out the measurement of longitudinal size, measure efficiency lower, and be difficult to guarantee accuracy.
(2) for front draft lug (left side) and rear draft lug (right side) fore-and-aft distance (length direction) each other of heteropleural, and the fore-and-aft distance of front draft lug (right side) and rear draft lug (left side), owing to must adopting angle square and tape measure conjunction measuring, therefore method of operating difficulty, due to the impact of welding deformation and draw beam web plane degree, often cause measurement inaccurate, in addition because inner-cavity structure relatively seals in addition, adopt the method to measure operating difficulties, measuring error easily occurs.
After the draw beam that existing scheme is produced formed products export, the frequent discovery of client can't be put into inner chamber by qualified coupler and draft gear or be put into the problems such as the rear interior cavity gap is too large, causes claim on account of quality.
Summary of the invention
The present invention solves the existing measuring method operating difficulties of prior art, and measurement accuracy is difficult to assurance, and dimensional measurement efficiency is low, adopts original measurement means, and disqualification rate is higher.Measure the low of efficiency, also caused the technical matters of the reduction of production efficiency; Provide a kind of and can check accurately, easily whether the draw beam inner cavity size meets the demands, in thoroughly having avoided producing, the underproof phenomenon of draw beam inner cavity size occurs, guarantee that draw beam forms pick-up unit and the detection method that can realize a kind of rolling stock inner cavity size that fits together with coupler and draft gear.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals:
A kind of pick-up unit of rolling stock inner cavity size, is characterized in that, comprises by web, two end casings and two casings that cover plate forms; Described casing both sides are fixed with respectively at least one turning rolls.
At the pick-up unit of above-mentioned a kind of rolling stock inner cavity size, described turning rolls comprises rolling bearing, bearing mounting base, main shaft and set bolt; Described main shaft two ends are equipped with rolling bearing, and main shaft is fixed on bearing mounting base, and described bearing mounting base is fixed on end casing by set bolt.
Pick-up unit at above-mentioned a kind of rolling stock inner cavity size, described turning rolls is four, on two end casings, be fixed with respectively two, turning rolls on each end casing be arranged in parallel, and defining vertical range between the rolling bearing edge of the rolling bearing edge of an end casing upper roller frame and another end casing upper roller frame is H, tested rolling stock inner cavity size is M, and the scope of H is less than M.
At the pick-up unit of above-mentioned a kind of rolling stock inner cavity size, described two end casings top also is fixed with two handheld rings, and described handheld ring and turning rolls be arranged in parallel; Upper cover plate in described two cover plates is also parallel is fixed with two be used to reinforcing the L shaped connection iron of upper cover plate and web, and described L shaped connection Tie Tong crosses set bolt and fixes.
A kind of detection method of rolling stock inner cavity size, it is characterized in that, based on definition: the experiment clearance gauge is of a size of A, tested rolling stock inner cavity size is M, between the rolling bearing edge of the rolling bearing edge of an end casing upper roller frame and another end casing upper roller frame, vertical range is H, comprises the following steps:
Step 1, pick-up unit is vertically put into to tested rolling stock inner chamber, make the rolling bearing of two turning rollss compositions of an end casing be adjacent to respectively the front draft lug in tested rolling stock inner chamber, the assurance pick-up unit can freely be put into draw beam and form inner chamber, so just can guarantee that inner cavity size M is greater than H;
Step 2, the rolling bearing that two turning rollss that adopt clearance gauge to remove to detect another end casing form and the gap between the rear draft lug in tested rolling stock inner chamber, the clearance gauge of guaranteeing can't be filled in, and can meet draw beam inner cavity size N less than H+A;
Therefore, the present invention has following advantage: 1, this inner chamber detection method is simple, only pick-up unit need be put into to draw beam and form inner chamber, just can judge whether inner chamber is qualified, and detection efficiency is high; 2, this inner chamber structure of the detecting device is simple, makes simply, and cost is low; 3, adopt this inner chamber detection method and device thereof can guarantee that inner cavity size is all qualified.
The accompanying drawing explanation
Fig. 1 a is the sectional structure schematic diagram along the A-A line of Fig. 1 b.
Fig. 1 b is that draw beam forms the inner chamber schematic diagram.
Fig. 2 a is inner chamber structure of the detecting device schematic diagram.
Fig. 2 b is the left TV structure schematic diagram of Fig. 2 a.
Fig. 2 c be Fig. 2 a overlook the TV structure schematic diagram.
Fig. 3 a is that draw beam forms inner chamber detection scheme figure.
Fig. 3 b is the sectional structure schematic diagram along the A-A line of Fig. 3 a.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In figure, web (1), end casing (2), cover plate (3), rolling bearing (4), bearing mounting base (5), main shaft (6), set bolt (7), handheld ring (8), L shaped connection iron (9), left front follower seat 10, right front follower seat 11, left draw beam web 12, right draw beam web 13, right back follower seat 14, left back follower seat 15, draw beam upper cover plate 16 embodiment:
Paper is monitoring device of the present invention once, and as shown in Fig. 2 a to 2c, the pick-up unit of rolling stock inner cavity size comprises by web 1, two end casings 2 and two casings that cover plate 3 forms; Described casing both sides are fixed with respectively at least one turning rolls.
Turning rolls comprises rolling bearing 4, bearing mounting base 5, main shaft 6 and set bolt 7; Described main shaft 6 two ends are equipped with rolling bearing 4, and main shaft 6 is fixed on bearing mounting base 5, and described bearing mounting base 5 is fixed on end casing 2 by set bolt 7; Turning rolls is four, on two end casings 2, be fixed with respectively two, turning rolls on each end casing 2 be arranged in parallel, and defining vertical range between rolling bearing 4 edges of rolling bearing 4 edges of end casing 2 upper roller framves and another end casing 2 upper roller framves is H, tested rolling stock inner cavity size is M, and the scope of H is less than M; Two end casing 2 tops also are fixed with two handheld rings 8, and described handheld ring 8 be arranged in parallel with turning rolls; Upper cover plate in described two cover plates 3 is also parallel is fixed with two be used to reinforcing the L shaped connection iron 9 of upper cover plate and web 1, and described L shaped connection iron 9 is fixed by set bolt.
Fig. 1 a to 1b is the inner cavity size that draw beam forms left front follower seat 10, right front follower seat 11, left back follower seat 15, right back follower seat 14, left draw beam web 12, right draw beam web 13 formations.
Below introduce the manufacturing step of pick-up unit of the present invention: structural drawing forms inner chamber as example take the draw beam of the outlet U.S., specifically installs manufacturing step as follows:
1) pick-up unit welding box body: web 1, end casing 2, upper and lower cover plates 3 adopt aluminum alloy materials.During three kinds of accessory blankings, length and Width respectively increase the machining allowance of 5mm, weld after being machined to the accessory size, for reducing welding deformation, adopt the section weldering.
2) turning rolls is installed: turning rolls forms and is comprised of rolling bearing 4, bearing mounting base 5, main shaft 6, bolt, always has 4 turning rollss and forms, and each turning rolls has two rolling bearings to form.
3) turning rolls is assembled on casing: turning rolls form to adopt and to be bolted on the casing face that aluminum alloy welding is connected into, guarantee that the depth of parallelism of 8 rolling bearings is less than 0.1mm, and the distance between 4 rolling bearings on 4 rolling bearings on the assurance left side and another limit is:
This size is according to inner cavity size
Allowance below nominal size (1.5) design.
4) handheld ring is installed: when handheld ring (8) is installed, the whole detection device is placed on milling machine table, take 8 rolling bearings in model as a benchmark, the upper plane machining that hook will be installed after proofreading and correct with angle square goes out datum clamp face, after the installation handheld ring, reexamine the verticality of handheld ring and rolling bearing, verticality franchise 0.075mm in length range, the method adjustment of overproof available shimming.
Fig. 3 a to 3b is draw beam inner chamber detection method figure, and concrete detecting step is as follows:
1) the inner chamber pick-up unit is vertically put into to the inner chamber that draw beam forms, make the rolling bearing of 2 turning rollss compositions on Fig. 2 left side be adjacent to respectively left front follower seat 10 and right front follower seat 11, the assurance pick-up unit can freely be put into draw beam and form inner chamber, so just can guarantee that inner cavity size is greater than 443mm
2) rolling bearing that 2 turning rollss that adopt the clearance gauge of 1.5mm to go to detect Fig. 2 the right form and the gap between left back follower seat 15 and right back follower seat 14, guarantee that the clearance gauge of 1.5mm can't be filled in, and can meet the draw beam inner cavity size less than 444.5mm
3) meet simultaneously above two steps, just can meet inner cavity size and be
(being between 443mm～444.5mm)
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (5)
1. the pick-up unit of a rolling stock inner cavity size, is characterized in that, comprises the casing that is comprised of web (1), two end casings (2) and two cover plates (3); Described casing both sides are fixed with respectively at least one turning rolls.
2. the pick-up unit of a kind of rolling stock inner cavity size according to claim 1, is characterized in that, described turning rolls comprises rolling bearing (4), bearing mounting base (5), main shaft (6) and set bolt (7); Described main shaft (6) two ends are equipped with rolling bearing (4), and it is upper that main shaft (6) is fixed on bearing mounting base (5), and described bearing mounting base (5) is fixed on end casing (2) by set bolt (7).
3. the pick-up unit of a kind of rolling stock inner cavity size according to claim 2, it is characterized in that, described turning rolls is four, on two end casings (2), be fixed with respectively two, turning rolls on each end casing (2) be arranged in parallel, and defining vertical range between rolling bearing (4) edge of rolling bearing (4) edge of an end casing (2) upper roller frame and another end casing (2) upper roller frame is H, and tested rolling stock inner cavity size is M, and the scope of H is less than M.
4. the pick-up unit of a kind of rolling stock inner cavity size according to claim 3, is characterized in that, described two end casings (2) top also is fixed with two handheld rings (8), and described handheld ring (8) be arranged in parallel with turning rolls; Upper cover plate in described two cover plates (3) is also parallel is fixed with two be used to reinforcing the L shaped connection iron (9) of upper cover plate and web (1), and described L shaped connection iron (9) is fixed by set bolt.
5. the detection method of a rolling stock inner cavity size, it is characterized in that, based on definition: the experiment clearance gauge is of a size of A, tested rolling stock inner cavity size is M, between rolling bearing (4) edge of rolling bearing (4) edge of an end casing (2) upper roller frame and another end casing (2) upper roller frame, vertical range is H, comprises the following steps:
Step 1, pick-up unit is vertically put into to tested rolling stock inner chamber, make the rolling bearing of two turning rollss compositions of an end casing (2) be adjacent to respectively the front draft lug in tested rolling stock inner chamber, the assurance pick-up unit can freely be put into draw beam and form inner chamber, so just can guarantee that inner cavity size M is greater than H;
Step 2, the rolling bearing that two turning rollss that adopt clearance gauge to remove to detect another end casing (2) form and the gap between the rear draft lug in tested rolling stock inner chamber, the clearance gauge of guaranteeing can't be filled in, and can meet draw beam inner cavity size N less than H+A;
Step 3, meet above two steps simultaneously, and just can meet inner cavity size M is less than H+A greater than H.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375469.9A CN103398646B (en) | 2013-08-26 | 2013-08-26 | The detection device of a kind of size of inner cavity of railway vehicle and detection method |
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|---|---|---|---|
| CN201310375469.9A CN103398646B (en) | 2013-08-26 | 2013-08-26 | The detection device of a kind of size of inner cavity of railway vehicle and detection method |
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| CN103398646A true CN103398646A (en) | 2013-11-20 |
| CN103398646B CN103398646B (en) | 2016-12-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060196064A1 (en) * | 2002-12-23 | 2006-09-07 | Hegenscheidt-Mfd Gmbh & Co. Kg | Device for measuring the roundness of a railroad wheel |
| CN101458059A (en) * | 2007-12-13 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Inspect tool |
| CN201338609Y (en) * | 2008-12-12 | 2009-11-04 | 南车长江车辆有限公司 | Narrow, tall, long and large box type structural beam |
| CN102042789A (en) * | 2010-10-19 | 2011-05-04 | 海信容声(广东)冰箱有限公司 | Device for detecting prefabricated box and method for controlling dimensional precision of refrigerator |
| CN202692862U (en) * | 2012-07-09 | 2013-01-23 | 南车二七车辆有限公司 | Combined detection scale for manufacture and repair of railway trucks |
| CN203396311U (en) * | 2013-08-26 | 2014-01-15 | 南车长江车辆有限公司 | An inner chamber dimension detecting apparatus for d a railway vehicle |
-
2013
- 2013-08-26 CN CN201310375469.9A patent/CN103398646B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060196064A1 (en) * | 2002-12-23 | 2006-09-07 | Hegenscheidt-Mfd Gmbh & Co. Kg | Device for measuring the roundness of a railroad wheel |
| CN101458059A (en) * | 2007-12-13 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Inspect tool |
| CN201338609Y (en) * | 2008-12-12 | 2009-11-04 | 南车长江车辆有限公司 | Narrow, tall, long and large box type structural beam |
| CN102042789A (en) * | 2010-10-19 | 2011-05-04 | 海信容声(广东)冰箱有限公司 | Device for detecting prefabricated box and method for controlling dimensional precision of refrigerator |
| CN202692862U (en) * | 2012-07-09 | 2013-01-23 | 南车二七车辆有限公司 | Combined detection scale for manufacture and repair of railway trucks |
| CN203396311U (en) * | 2013-08-26 | 2014-01-15 | 南车长江车辆有限公司 | An inner chamber dimension detecting apparatus for d a railway vehicle |
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| CN103398646B (en) | 2016-12-28 |
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Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |
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