CN209673732U - A kind of rail examination ultrasonic wave comprehensive detection test block - Google Patents
A kind of rail examination ultrasonic wave comprehensive detection test block Download PDFInfo
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- CN209673732U CN209673732U CN201920015108.6U CN201920015108U CN209673732U CN 209673732 U CN209673732 U CN 209673732U CN 201920015108 U CN201920015108 U CN 201920015108U CN 209673732 U CN209673732 U CN 209673732U
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Abstract
A kind of rail examination ultrasonic wave comprehensive detection test block, the test block with comparable No. 45 steel of steel rail material by making, test block is long: 1m, width: 190mm, height: 205mm, reflector containing different detection ultrasonic rail defectoscopes and respective performances index of popping one's head in thereon, it is characterized in that, being provided with flat cross-drilled hole, plane ladder, exterior arc surface ladder, inner arc surface ladder and the artificial reflector of plane grooving in the test block.This test block is based on the area B of innovative design, it is in combination, it can be achieved that using one piece of test block to the comprehensive detection of existing rail examination defectoscope and probe (including double track defectoscope and inspection car and wheel seach unit low-angle probe) performance indicator that existing test block is subjected to innovation design；Not only it had solved the problems, such as that some indexs of wheeled ultrasonic testing apparatus were undetectable, but also has taken into account the detection of common rail base material, weld seam or general detector device and pop one's head in every technical performance, index.
Description
Technical field
The utility model relates to the detection of steel rail ultrasonic flaw detecting equipment performance more particularly to a kind of rail examination ultrasonic waves
Comprehensive detection test block.
Background technique
When being quantified for larger hurt or equivalent compared with the larger hurt of small area in steel rail welding line flaw detection, it is desirable that use
Ductility method detects test block without corresponding lateral beam width in existing test block, and longitudinal beam width detects test block
The progressive value of depth is larger.
The rail examination equipment of wheeled ultrasonic probe: double track defectoscope, inspection car etc. is used, in factory and acceptance test
When do not detect test block accordingly, cause some performance indicators of equipment that can not detect.
Utility model content
The utility model provides a kind of rail examination ultrasonic wave comprehensive detection test block, the test block by with steel rail material phase
When No. 45 steel production, the long 1m of test block, width 190mm, high 205mm, thereon contain different detection ultrasonic rail defectoscopes and spy
The reflector of head respective performances index, which is characterized in that flat cross-drilled hole, plane ladder, exterior arc surface are provided in the test block
Ladder, inner arc surface ladder and the artificial reflector of plane grooving.
The utility model is removed from office existing test block based on the area the B acoustic beam Characteristics Detection part of innovative design
Newly design it is in combination, realize to existing rail examination instrument and probe, including double track defectoscope and inspection car and wheel seach unit
The comprehensive detection of performance indicator.
The area B is made of (Fig. 1) 19 pairs of flat cross-drilled holes of Φ 3, and top surface is main test surface in test block, and bottom surface is secondary test surface,
Machine direction is parallel with the main test surface of test block and end face, arranges from left to right in test block front, is sequentially positive d1~d19, back
Face da1~da19；Flat cross-drilled hole d and da bottom hole are overlapped with respect to circle central axis to be a pair of, and front is the hole d, and the back side is the hole da, altogether
19 pairs of 38 flat cross-drilled holes, bottom hole spacing: the adjacent hole horizontal spacing of 40mm, hole depth: 70mm, d1~d19 two is 40mm, hangs down
Straight spacing is 10mm, top surface 15mm in a1 pitch-row test block, away from the area A and the area B boundary line 50mm, a19 pitch-row test block bottom surface 10mm,
Away from the area B and the area C boundary line 50mm.
The area A constitutes (Fig. 2) by 5 plane ladders, is sequentially J1 long on the test block left side from test block back side forward permutations
40mm, width 35mm, away from upper top surface depth 10mm, J2 long 40mm, width 35mm, away from upper top surface depth 25mm, J3 long 40mm, width 40mm, away from
Upper top surface depth 110mm, J4 long 40mm, width 35mm, away from upper top surface depth 50mm, J5 long 40mm, width 35mm, away from upper top surface depth 20mm.
The area C is divided into three layers on the right side of test block, from front in order backward, by the area first layer C -1, the area second layer C -2, third
Floor C area -3, three detection zone composition.
Further, the area C -1 (Fig. 3) by the area B, C boundary line, 10mm connection arc end is long away from upper top surface 50mm to the right
30mm, width 25mm J6 and by the area B, C boundary line away from upper top surface depth 100mm to the right, two planes of J7 of long 40mm, wide 25mm
Ladder with by top surface on the area B, C boundary line to the right the center of circle 40mm fluting to the right radius 50mm, width 25mmJ8 and with j8 concentric
Two inner arc surface ladders composition of radius 100mm, wide 25mmJ9, two cascaded surfaces are directly connected to the right at fluting.
The further area C -2 (Fig. 4) is by the area B, C boundary line 50mm to the right, long 2mm, width 40mm, away from top surface depth 85mm plane
Grooving J10, by the area B, C boundary line 52mm to the right, long 28mm, width 40mm, away from upper top surface depth 91mm plane ladder J11, by B, C
At area's boundary line to the right, long 50mm, width 40mm, away from top surface 70mm on top surface depth 110mm plane ladder J14 and distance of center circle, away from examination
Block right edge 35mm, width 20mm, radius 25mm exterior arc surface ladder J12, top surface 70mm on distance of center circle, away from test block right edge
35mm, width 2mm, radius 22mm exterior arc surface ladder J13 are constituted.
Further, the area C -3 (Fig. 5) by top surface 30mm on distance of center circle, away from test block right edge 35mm, width 25mm, radius 25mm
Top surface 30mm on exterior arc surface ladder J15 and distance of center circle, away from test block right edge 35mm, width 2mm, radius 22mm exterior arc surface rank
Terraced J16 is constituted.
Detailed description of the invention
Fig. 1 is the structural front view and top view of the utility model, and Fig. 2 is the area A left view, and Fig. 3, Fig. 4, Fig. 5 are respectively C
The front view of each subregion in area, test surface when the upper top surface of attached drawing is detection in not otherwise stated.
Specific embodiment
Hand-holdable probe or detection device are tested when detecting for normal ultrasound waves probe and its fault detection system；
When detecting wheeled ultrasonic probe and its fault detection system, need that probe is fixed on dress using dedicated detection device
It sets, makes 0 in wheel seach unit ° of flaw detection chip and test surface keeping parallelism, the detection moving direction for making wheel seach unit and test block
Longitudinal midline it is parallel, so that probe front and back longitudinal movement and left and right transverse shifting and is shown its shifting in test block by detection device
Dynamic distance, the probe detector with the secondary wave inspection function of rail's end portion should also have left and right drift angle or left and right horizontal inclination angle
Adjustment device, to guarantee that acoustic beam is vertical with reflector.
Using 19 pairs of flat cross-drilled holes of (d1) (da1)~(d19) (da19) in the area the utility model B (Fig. 1), length-measuring method is used
(top surface on Fig. 1 main view) moves left and right probe on main test surface, can detect that probe investigation depth 15mm~195mm,
6dB the and 3dB transverse direction beam width of progressive value 10mm；It can detect that probe is visited using secondary test surface (Fig. 1 main view bottom surface)
6dB the and 3dB transverse direction beam width of depth measurement degree 10mm~190mm, progressive value 10mm；Such as the combined use of two test surfaces is visited
It surveys, the progressive value precision of depth can be increased to 5mm.
Using 19 flat cross-drilled holes of (d1)~(d19) in the area the utility model B (Fig. 1) or (da1)~(da19), in main spy
On survey face (top surface on Fig. 1 main view) be moved forward and backward probe, detect each cross-drilled hole can detect that probe depth 15mm~195mm,
The longitudinal direction the 6dB and 3dB beam width of progressive value 10mm；It can detect that probe is deep using secondary test surface (Fig. 1 main view bottom surface)
Spend the longitudinal direction the 6dB and 3dB beam width of 10mm~190mm, progressive value 10mm；Such as the combined use of two test surfaces is detected,
The progressive value precision of depth can be increased to 5mm.
Using 19 flat cross-drilled holes of (d1)~(d19) in the area the utility model B (Fig. 1) or (da1)~(da19), in main spy
(top surface on Fig. 1 main view) is moved forward and backward probe on survey face, detects each cross-drilled hole acquisition highest echo, can detect that depth in 15mm
Sensor sensitivity and sensitivity of tester surplus when~195mm, progressive value 10mm；Using secondary test surface, (Fig. 1 main view is gone to the bottom
Face) it can detect that sensor sensitivity and sensitivity of tester surplus of the depth in 10mm~190mm, progressive value 10mm；As incited somebody to action
The combined use of two test surfaces is detected, and the progressive value precision of depth can be increased to 5mm；Use the also detectable instrument of the above method
Range-amplitude display characteristic, production DAC curve with probe.
The refraction angle of angle probe can also be demarcated using the flat cross-drilled hole of respective depth using the area the utility model B (Fig. 1),
Detect the blind area of normal probe and low-angle probe, the vertical linearity error of detecting instrument；Using away from main test surface (Fig. 1 main view
Upper top surface) depth 65mm flat cross-drilled hole, can detect base material defectoscope twin lamella angle probe wedge in echo amplitude.
Using the area the utility model A (Fig. 2) J1 ladder (away from test surface depth 10mm) and J4 ladder (away from test surface depth 50mm),
The blocking performance of detectable seam inspection instrument or general defectoscope；Using the area the utility model A (Fig. 2) J5 ladder (away from test surface
Deep 20mm) and J4 ladder (away from test surface depth 50mm), it can detect the blocking performance of base material defectoscope；Utilize the area the utility model A
(Fig. 2) J2 ladder (away from test surface depth 25mm) or J5 ladder (away from test surface depth 20mm) can detect base material defectoscope, seam inspection
The horizontal linearity error and investigative range of instrument or general defectoscope；Using the area the utility model A (Fig. 2) J3 ladder (away from test surface
Deep 110mm) it the surplus sensitivity in detectable 0 ° of sensor sensitivity of base material defectoscope and 0 ° of channel, returns in the wedge of twin lamella normal probe
Wave amplitude.
It can using the area the utility model C -1 part (Fig. 3) J6 (away from test surface depth 50mm) and J7 (away from test surface depth 100mm)
Demarcate investigative range, the correction base line in 0 ° of probe channel；Utilize the area the utility model C part 1 (Fig. 3) circular arc ladder J8
(radius 50mm) and circular arc ladder J9 (radius 100mm) can demarcate the detection model of angle probe and low-angle probe channel
It encloses, correct base line, measurement Probe index；Weld seam or general can also be detected using circular arc ladder J9 (radius 100mm)
The sensitivity of angle probe and the unloaded initial pulse width of weld seam single-chip angle probe.
It utilizes the area the utility model C -2 part (Fig. 4) J10 (long 2mm, width 40mm, away from test surface depth 85mm plane grooving)
With J11 away from test surface depth 91mm plane ladder, the resolving power of 0 ° of probe can detect；Utilize -2 part of the area the utility model C (figure
4) J12 (wide 20mm, radius 25mm, distance of center circle test surface depth 70mm, away from right edge 35mm exterior arc surface ladder) and J13 (width:
2mm, radius: 22mm, distance of center circle test surface depth 70mm, away from right edge 35mm exterior arc surface ladder), detectable K value is less than or equal to
The refraction angle of 1.5 probes and resolving power.
Using the area the utility model C -3 part (Fig. 5) J15 (wide 25mm, radius 25mm, distance of center circle test surface depth 70mm, away from
Right edge 35mm exterior arc surface ladder) and J13 (width: 2mm, radius: 22mm, distance of center circle test surface depth 70mm, away from right edge
35mm exterior arc surface ladder), it can detect K value and be greater than the 1.5, refraction angle less than or equal to 2.5 probes and resolving power.
It is in combination, it can be achieved that right that this test block carries out innovation design based on the area B of innovative design, by existing test block
Existing rail examination defectoscope and probe (including double track defectoscope and inspection car and wheel seach unit, low-angle probe) performance indicator
Comprehensive detection；Solve the problems, such as that some indexs of wheeled ultrasonic testing apparatus are undetectable, and it is female to have taken into account common rail
The detection of material and seam inspection instrument and indices of popping one's head in realizes and detects existing steel rail ultrasonic spy using one piece of test block
Hurt the comprehensive detection of instrument and probe technologies performance.
To adapt to the detection to wheeled ultrasonic rail defect-detecting equipment, the utility model design volume is larger, detects wheeled
Dedicated detection device should be also equipped with when defect-detecting equipment.
Claims (8)
1. a kind of ultrasonic wave comprehensive detection test block of rail examination, the test block by being made with comparable No. 45 steel of steel rail material,
The long 1m of test block, width 190mm, high 205mm, thereon containing different detection ultrasonic rail defectoscopes and respective performances index of popping one's head in
Reflector, which is characterized in that flat cross-drilled hole, plane ladder, exterior arc surface ladder, inner arc surface ladder are provided in the test block
With the artificial reflector of plane grooving.
2. rail examination according to claim 1 ultrasonic wave comprehensive detection test block, which is characterized in that the detection test block
It is divided into 3 parts, the respectively area A, the area B, the area C；Wherein, the artificial reflector in the area A is 5 plane ladders；The artificial reflector in the area B is 19
To the flat cross-drilled hole of Φ 3；The artificial reflector in the area C is 4 plane ladders, 4 exterior arc surface ladders, 2 inner arc surface ladders and 1
Plane grooving.
3. rail examination according to claim 2 ultrasonic wave comprehensive detection test block, which is characterized in that the area B is by 19 couples of Φ 3
Flat cross-drilled hole forms, and top surface is main test surface in test block, and bottom surface is secondary test surface, machine direction and the main test surface of test block and end
Face is parallel, arranges from left to right in test block front, is sequentially positive d1~d19, back side da1~da19；
It is a pair that flat cross-drilled hole d and da bottom hole are overlapped with respect to circle central axis, and front is the hole d, and the back side is the hole da, is put down for totally 19 pairs 38
Bottom cross-drilled hole, bottom hole spacing is 40mm, the adjacent hole horizontal spacing of hole depth 70mm, d1~d19 two is that 40mm, vertical interval are
Top surface 15mm in 10mm, a1 pitch-row test block, away from the area A and the area B boundary line 50mm, a19 pitch-row test block bottom surface 10mm, away from the area B and C
Area boundary line 50mm.
4. rail examination according to claim 2 ultrasonic wave comprehensive detection test block, which is characterized in that the area A is by 5 planes
Ladder is constituted, on the test block left side from test block back side forward permutations, sequentially are as follows: J1, J2, J3, J4, J5；J1 long 40mm, width 35mm,
Away from upper top surface depth 10mm, J2 long 40mm, width 35mm, away from upper top surface depth 25mm, J3 long 40mm, width 40mm, deep away from upper top surface
110mm, J4 long 40mm, width 35mm, away from upper top surface depth 50mm, J5 long 40mm, width 35mm, away from upper top surface depth 20mm.
5. rail examination according to claim 2 ultrasonic wave comprehensive detection test block, which is characterized in that the area C is on the test block right side
Side is divided into three layers from front, by the area first layer C -1, the area second layer C -2, the area -3, three third layer C detection zone in order backward
Composition.
6. rail examination according to claim 5 ultrasonic wave comprehensive detection test block, which is characterized in that the area C first layer C
Area -1, by the area B, C boundary line, 10mm connection arc end is away from upper top surface 50mm to the right, long 30mm, the J6 of width 25mm and by B, C
Area's boundary line away from upper top surface depth 100mm to the right, long 40mm, wide 25mm two plane ladders of J7 with by the area B, C boundary line
Top surface to the right at the fluting of the center of circle 40mm to the right radius 50mm, width 25mmJ8 and with radius 100mm, width to the right at j8 concentric fluting
Two inner arc surface ladders of 25mmJ9 are constituted, and two cascaded surfaces are directly connected to.
7. rail examination according to claim 5 ultrasonic wave comprehensive detection test block, which is characterized in that the area C second layer C
Long 2mm, width 40mm, area -2 is had a common boundary by the area B, C boundary line 50mm to the right away from top surface depth 85mm plane grooving J10, by the area B, C
Line is to the right at 52mm, long 28mm, width 40mm, away from upper top surface depth 91mm plane ladder J11, by the area B, C boundary line to the right, it is long
50mm, width 40mm, away from top surface 70mm on top surface depth 110mm plane ladder J14 and distance of center circle, away from test block right edge 35mm, width:
20mm, radius 25mm exterior arc surface ladder J12, top surface 70mm on distance of center circle, away from test block right edge 35mm, width 2mm, radius
22mm exterior arc surface ladder J13 is constituted.
8. rail examination according to claim 5 ultrasonic wave comprehensive detection test block, which is characterized in that the area C third layer C
Area -3, by top surface 30mm on distance of center circle, away from test block right edge 35mm, width 25mm, radius 25mm exterior arc surface ladder J15 and the center of circle
It is constituted away from upper top surface 30mm, away from test block right edge 35mm, width 2mm, radius 22mm exterior arc surface ladder J16.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201339A (en) * | 2022-09-19 | 2022-10-18 | 河北铁达科技有限公司 | Detection device, turnout rail bottom flaw detection equipment and method |
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2019
- 2019-01-06 CN CN201920015108.6U patent/CN209673732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201339A (en) * | 2022-09-19 | 2022-10-18 | 河北铁达科技有限公司 | Detection device, turnout rail bottom flaw detection equipment and method |
| CN115201339B (en) * | 2022-09-19 | 2023-01-13 | 河北铁达科技有限公司 | Detection device, turnout rail bottom flaw detection equipment and method |
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