CN103245267B - The instruments of inspection of jigsaw size and the method for inspection in sleeper steel mould - Google Patents
The instruments of inspection of jigsaw size and the method for inspection in sleeper steel mould Download PDFInfo
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- CN103245267B CN103245267B CN201310112542.3A CN201310112542A CN103245267B CN 103245267 B CN103245267 B CN 103245267B CN 201310112542 A CN201310112542 A CN 201310112542A CN 103245267 B CN103245267 B CN 103245267B
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- 238000007689 inspection Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 241001669679 Eleotris Species 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004080 punching Methods 0.000 claims abstract description 47
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention discloses the instruments of inspection and the method for inspection of jigsaw size in a kind of sleeper steel mould, and this instruments of inspection includes horizontal cross plate and the limit projection (1) being located at lower end, both sides around and the middle projection (2) at middle part；Described limit projection (1) is less than 0.05 with the flatness of the measuring surface of middle projection (2), and the measuring surface of said two limit projection (1) and middle projection (2) depth of parallelism each other is less than 0.1；The discrepancy in elevation (h+1) mm of described limit projection (1) and middle projection (2) selects according to punching block design size.Use the present invention, it is possible to simplify the measurement process of sleeper steel mould, and improve certainty of measurement.
Description
Technical field
The present invention relates to prestressed reinforced concrete tie punching block technical field, particularly relate to the instruments of inspection of jigsaw size in sleeper steel mould and the method for inspection it can also be used to be difficult to direct Measuring Object relative relief and need to control the other field of certain precision.
Background technology
Sleeper has the upper row's steel wire inspection project to distance from top in producing, this project is a project often exceeded standard in sleeper test rating, sleeper steel mould has influence on the height of jigsaw during the principal element of this size is, in traditional sleeper steel mould, the inspection of jigsaw height dimension is all to be measured with the use of the method for straight steel ruler by string pulling line (in punching block stretch-draw center), measuring point is that in punching block, jigsaw end face, to string of a musical instrument distance, there is problems in that during practice examining
1) when measuring with straight board foot after string pulling line, owing to punching block size causes space to limit, sight line is difficult to be perpendicular to range finding, can form certain collimation error；In addition also can produce certain error when the string of a musical instrument is fixed, accumulation gets up to have bigger error.
2) straight steel ruler scale is generally 1.0mm, and minimum also only has 0.5mm, have certain shortcoming in certainty of measurement.
3) can only be pulled in time due to string pulling line in the middle of punching block longitudinal direction housing, if middle jigsaw run-off the straight, then cannot measure, the position of center line of jigsaw in punching block can only be measured.
4) during string pulling X-ray inspection X, first to fix the string of a musical instrument according to other benchmark, detect the height of jigsaw in punching block the most again on the basis of the string of a musical instrument, testing procedure is complicated, expends the time.
5) camber of string pulling X-ray inspection X punching block to be considered, and each punching block camber has different, by unified standard inspection, scale error is bigger.
6) in, jigsaw is mainly used to control the upper row's steel wire in sleeper finished products inspection project to the distance of sleeper top plane (i.e. steel mold shell plane), when the string of a musical instrument is measured, it is on the basis of the string of a musical instrument, to measure the string of a musical instrument respectively to the height of jigsaw in punching block and the string of a musical instrument to the height of steel mold shell, it is understood that there may be the situation of two contrary extreme differences occurs.
Summary of the invention
In view of this, present invention is primarily targeted at the instruments of inspection and the method for inspection that jigsaw size in a kind of sleeper steel mould is provided, to simplify measurement process, and improve certainty of measurement.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The instruments of inspection of jigsaw size in a kind of sleeper steel mould, this instruments of inspection includes horizontal cross plate and the limit projection 1 being located at lower end, both sides around and the middle projection 2 at middle part；Described limit projection 1 is less than 0.05 with the flatness of the measuring surface of middle projection 2, and the measuring surface of said two limit projection 1 and middle projection 2 depth of parallelism each other is less than 0.1；The discrepancy in elevation of described limit projection 1 and middle projection 2 is h+1；Wherein, the unit of the discrepancy in elevation is: mm.
Wherein: described limit projection 1 and discrepancy in elevation h+1 of middle projection 2, depending on punching block design size.
When the described instruments of inspection is used as punching block maintenance, the size of discrepancy in elevation h+1 is h ± 0.1mm.
Overall length L of described horizontal cross plate, its minimum length is more than the distance between two emblem marks 5 of steel mold shell 6, and its greatest length is less than the distance between two 1:40 gradient sections of described steel mold shell 6.
Overall length L of described horizontal cross plate, its minimum length is more than the distance between two emblem marks 5 of steel mold shell 6；If described steel mold shell 6 is without the 1:40 gradient section, its full-size is not limited.
The method of inspection of jigsaw size in a kind of sleeper steel mould, the method includes:
When tie punching block checked by A, the use instruments of inspection described in claim 1, with jigsaw in convexity block alignment punching block, two limit projections respectively fall in two steel mold shell in left and right, fit with steel mold shell plane, gap between jigsaw in projection and punching block in now detecting with the clearance gauge of different-thickness；
B, by between jigsaw end face in described punching block to steel mold shell height h be controlled, during measurement, the criterion of acceptability of clearance gauge thickness is 0.5～1.5mm；After i.e. measuring, gap size is qualified between 0.5～1.5mm；
If C gap size is between 0～0.5mm, or instrument falls into a side projections tilting after punching block, illustrates that in punching block, jigsaw is too high, exceedes allowable error scope；If gap size is more than 1.5mm, then in explanation punching block, jigsaw size is on the low side, have also exceeded allowable error scope.
Wherein: step C farther includes: the gap at four angles of jigsaw in simultaneously can measuring during detection, to prevent jigsaw in punching block to be in heeling condition.
In sleeper steel mould provided by the present invention, the instruments of inspection of jigsaw size and the method for inspection, have the advantage that
The inventive method coordinates the described instruments of inspection, cumulative error when string of a musical instrument formula can be overcome to measure, improve accuracy of detection, effectively prevent the situation that in punching block, jigsaw is crooked, measuring method is closer to measuring purpose (controlling muscle position deviation) simultaneously, regardless of punching block camber and concrete height dimension problem during measurement, detect simple and efficient to handle, can effectively improve detection efficiency, can be widely applied to sleeper steel mould examination and punching block manufacture and maintenance field it can also be used to be difficult to direct Measuring Object relative relief and need to control the other field of certain precision.
Accompanying drawing explanation
Fig. 1 is jigsaw dimension control instrument profilograph in the present invention；
Fig. 2 is jigsaw dimension control instrument top view in the present invention；
Fig. 3 is instruments of inspection checkout procedure schematic diagram of the present invention.
[critical piece/element numbers explanation]
1: limit projection
2: middle projection
3: jigsaw in punching block
4: shell end chamfering block
5: emblem mark
6: steel mold shell
7: rail frid.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the instruments of inspection and the method for inspection of the present invention are described in further detail by embodiments of the invention.
Fig. 1 is jigsaw dimension control instrument profilograph in the present invention, and Fig. 2 is jigsaw dimension control instrument top view in the present invention, and Fig. 3 is instruments of inspection checkout procedure schematic diagram of the present invention.
As shown in the figure, the making of the described instruments of inspection requires as follows: this instruments of inspection includes a horizontal cross plate and the limit projection 1 being located at lower end, both sides around and the middle projection 2 at middle part, the flatness of the measuring surface of described limit projection 1 and middle projection 2 is less than 0.05, and described three projection measuring surface depth of parallelism each other is less than 0.1；Described limit projection 1 and discrepancy in elevation h+1 of middle projection 2, unit is: mm；Selecting according to punching block design size, error is controlled by ± 0.1mm.
When this instruments of inspection is used as punching block maintenance, the size of h+1 is directly by h(± 0.1mm) make；The minimum length of overall length L of its horizontal cross plate, need to consider the position of emblem mark 5 during design, greatest length need to consider the 1:40 gradient section in steel mold shell 6, if without the sleeper of 1:40 gradient section regardless of this problem, but requirement can not encounter sleeper frid 7.Total principle is that limit projection 1 can not be pressed on emblem mark 5, can not be pressed in 1:40 gradient section, will fit with steel mold shell.
As shown in Figure 3, when using this instruments of inspection to carry out punching block examination, it is directed at jigsaw 3 in punching block with the middle projection 2 of this instruments of inspection, two limit projections 1 respectively fall in two steel mold shell 6 in left and right, fit with steel mold shell plane, gap between jigsaw 3 in projection 2 and punching block in now detecting with the clearance gauge of different-thickness.By between jigsaw in punching block 3 end face to steel mold shell 6 height h(allowable error ± 0.5mm) control if, then measure time clearance gauge thickness criterion of acceptability be ± 0.5+1=0.5～1.5mm.After measurement, gap size is qualified between 0.5～1.5mm；If gap size is between 0～0.5mm, or instrument fall into punching block after a side projections 1 tilt, illustrate that in punching block, jigsaw 3 is too high, exceedes allowable error scope；If gap size is more than 1.5mm, illustrate that in punching block, jigsaw 3 size is on the low side, have also exceeded allowable error scope.In can measuring during detection, the gap at four angles of jigsaw, is so possible to prevent jigsaw in punching block to be in heeling condition simultaneously.
As shown in Figure 3, when using this instruments of inspection carry out punching block maintenance and manufacture, the middle projection 2 of this instruments of inspection is directed at jigsaw 3 position to be mounted in punching block, two limit projections 1 respectively fall in two steel mold shell 6 in left and right, fit with steel mold shell plane, adjust the position of jigsaw 3 in punching block the most in the height direction, be finally allowed to fit with middle projection 2, finally jigsaw in punching block 3 and shell end chamfering block 4 welded.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
Claims (2)
1. the method for inspection of jigsaw size in a sleeper steel mould, it is characterised in that the method includes:
A, the instruments of inspection of use include horizontal cross plate and the limit projection (1) being located at lower end, both sides around and the middle projection (2) at middle part；Described limit projection (1) is less than 0.05 with the flatness of the measuring surface of middle projection (2), and the measuring surface of said two limit projection (1) and middle projection (2) depth of parallelism each other is less than 0.1；The discrepancy in elevation of described limit projection (1) and middle projection (2) is h+1；Wherein, the unit of the discrepancy in elevation is: mm；When tie punching block checked by the described instruments of inspection, with jigsaw in convexity block alignment punching block, two limit projections respectively fall in two steel mold shell in left and right, fit with steel mold shell plane, gap between jigsaw in projection and punching block in now detecting with the clearance gauge of different-thickness；
B, by between jigsaw end face in described punching block to steel mold shell height h be controlled, during measurement, the criterion of acceptability of clearance gauge thickness is 0.5～1.5mm；After i.e. measuring, gap size is qualified between 0.5～1.5mm；
If C gap size is between 0～0.5mm, or instrument falls into a side projections tilting after punching block, illustrates that in punching block, jigsaw is too high, exceedes allowable error scope；If gap size is more than 1.5mm, then in explanation punching block, jigsaw size is on the low side, have also exceeded allowable error scope.
The most according to claim 1, the method for inspection of jigsaw size in sleeper steel mould, it is characterised in that step C farther includes: the gap at four angles of jigsaw in simultaneously can measuring during detection, to prevent jigsaw in punching block to be in heeling condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310112542.3A CN103245267B (en) | 2013-04-02 | 2013-04-02 | The instruments of inspection of jigsaw size and the method for inspection in sleeper steel mould |
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| CN201310112542.3A CN103245267B (en) | 2013-04-02 | 2013-04-02 | The instruments of inspection of jigsaw size and the method for inspection in sleeper steel mould |
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| CN103245267B true CN103245267B (en) | 2016-12-07 |
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| CN103453821B (en) * | 2013-09-06 | 2017-02-15 | 安徽应流集团霍山铸造有限公司 | Special inspection tool for finish casting of 370-1670/1671 support of Caterpillar product |
| CN109631726A (en) * | 2019-01-18 | 2019-04-16 | 辽宁铁道职业技术学院 | One kind is for measuring railway construction sleeper spacing device and measurement method |
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|---|---|---|---|---|
| US4928400A (en) * | 1988-01-19 | 1990-05-29 | Schuh David N | Bearing clearance detector |
| CN102435127A (en) * | 2011-11-28 | 2012-05-02 | 苏州工业园区隆盛电器成套设备制造有限公司 | Verification method of evenness of transformer for rail vehicle |
| CN102538636A (en) * | 2010-12-30 | 2012-07-04 | 中铁二十三局集团成都工程有限公司 | Tool and method for detecting support rail grooves of track slab with shoulders |
| CN202393320U (en) * | 2011-12-20 | 2012-08-22 | 无锡市航鹄科技有限公司 | Potentiometer support measuring mechanism |
| CN102997804A (en) * | 2012-11-16 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | Multi-step height gauge |
| CN203414035U (en) * | 2013-04-02 | 2014-01-29 | 中铁大桥局集团第六工程有限公司 | Test tool for size of integrated panel in sleeper steel mould |
-
2013
- 2013-04-02 CN CN201310112542.3A patent/CN103245267B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928400A (en) * | 1988-01-19 | 1990-05-29 | Schuh David N | Bearing clearance detector |
| CN102538636A (en) * | 2010-12-30 | 2012-07-04 | 中铁二十三局集团成都工程有限公司 | Tool and method for detecting support rail grooves of track slab with shoulders |
| CN102435127A (en) * | 2011-11-28 | 2012-05-02 | 苏州工业园区隆盛电器成套设备制造有限公司 | Verification method of evenness of transformer for rail vehicle |
| CN202393320U (en) * | 2011-12-20 | 2012-08-22 | 无锡市航鹄科技有限公司 | Potentiometer support measuring mechanism |
| CN102997804A (en) * | 2012-11-16 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | Multi-step height gauge |
| CN203414035U (en) * | 2013-04-02 | 2014-01-29 | 中铁大桥局集团第六工程有限公司 | Test tool for size of integrated panel in sleeper steel mould |
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