CN210034844U - Multi-degree-of-freedom self-positioning flaw detection support - Google Patents
Multi-degree-of-freedom self-positioning flaw detection support Download PDFInfo
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- CN210034844U CN210034844U CN201920772760.2U CN201920772760U CN210034844U CN 210034844 U CN210034844 U CN 210034844U CN 201920772760 U CN201920772760 U CN 201920772760U CN 210034844 U CN210034844 U CN 210034844U
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- mounting frame
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- flaw detection
- probe mounting
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Abstract
The utility model discloses a multi-degree-of-freedom self-positioning flaw detection support, which comprises a connecting seat, a movable beam and a probe mounting frame, wherein the connecting seat comprises a seat body and a structure body with a U-shaped section, and the seat body comprises a bottom surface and an inclined surface; the bottom surface of the structure body is fixed on the inclined plane of the base body; the side wall of the structure body is oppositely provided with a first connecting through hole; the movable beam is provided with four mutually vertical extension edges, and the top ends of the four extension edges are provided with folded edges vertical to the extension edges; each folded edge is provided with a through hole, wherein a first pair of through holes on a pair of opposite folded edges are matched with the first connecting through hole and movably connected through a first pin shaft; the probe mounting frame is in a right trapezoid shape, and two side faces of the probe mounting frame are respectively and oppositely provided with a second connecting through hole which is matched with the second pair of through holes and is movably connected with the second pair of through holes through a second pin shaft. The utility model is used for rail locomotive wheel is in the rail manual inspection, in the rail or not in the rail semi-automatic, automatic spy hinder, also be used for among the manual work of track traffic passenger, freight train wheel, semi-automatic, the automatic spy hinder the system.
Description
Technical Field
The utility model belongs to the technical field of the train wheel all standing ultrasonic inspection combination probe, concretely relates to train wheel all standing ultrasonic inspection is with self-align support of detecting a flaw of multi freedom.
Background
At present, for the flaw detection of railway locomotive wheels, the on-track operation that the wheels are not detached from the locomotive is adopted, a single large-angle probe is firstly used for carrying out flaw detection on about three or four areas on the wheels, and then a twin-crystal probe is used for carrying out flaw detection on a tread point by point, so that the labor intensity is high, the time is long, meanwhile, the task can not be guaranteed to be precise all the time, and when the missed detection accident happens, the safety risk is high. Therefore, it is urgent to develop an integrated multi-probe combined flaw detection device which is easy to operate and can perform flaw detection in multiple angles.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to train wheel disposable flaw detection to avoid missing the spy, provide one kind and make up the fixed support of detecting a flaw of probe for the wheel all standing ultrasonic wave. The utility model belongs to the component of subassembly of detecting a flaw is closed in the all standing combination, the utility model discloses the support combines the back with the flaw detection system, can liberate the workman of detecting a flaw from tedious manual labor.
The utility model solves the problems through the following technical proposal,
a multi-degree-of-freedom self-positioning flaw detection bracket comprises a connecting seat 2, a movable beam 3 and a probe mounting frame 4, and is characterized in that,
the connecting base 2 comprises a base body 22 and a U-shaped structural body 21,
the seat body 22 comprises a bottom surface and an inclined surface, the included angle between the inclined surface and the bottom surface is α, and the included angle is more than or equal to 0 and less than or equal to α and less than or equal to 90 degrees;
the bottom surface of the structural body 21 is fixed on the inclined surface of the seat body 22;
two side walls of the structure body 21 are respectively and oppositely provided with a first connecting through hole 23;
the movable beam 3 is provided with four mutually vertical extension edges which are crossed to form a cross structure; the top ends of the four extending edges are respectively provided with a folded edge 31 which is vertical to the extending edge of the movable beam 3;
each folded edge 31 is provided with a through hole, wherein a first pair of through holes 32 on one pair of opposite folded edges 31 are matched with the first connecting through holes 23 and movably connected through a pair of first pin shafts 24, and a second pair of through holes 33 on the other pair of opposite folded edges 31;
the probe mounting frame 4 is of a right-angle trapezoidal structure, two side surfaces of the probe mounting frame are respectively and oppositely provided with a second connecting through hole 41, the plane of the right-angle waist is vertically downward, and the second connecting through holes 41 are matched with the second pair of through holes 33 and are movably connected through a pair of second pin shafts 42;
the plane of the bevel edge waist of the probe mounting frame 4 is arc-shaped along the rotation direction of the wheel and is matched with the shape of the tread of the wheel.
In order to obtain better technical effect, an included angle α formed between the inclined surface and the bottom surface is 35-55 degrees;
in order to obtain better technical effect, the included angle α between the inclined surface and the bottom surface is 48-54 degrees;
in order to obtain better technical effect, the device also comprises an electromagnet 1, wherein the electromagnet 1 is fixedly arranged on the bottom surface of the seat body 22; the electromagnet 1 is connected with a steel rail or a metal support through magnetism;
in order to obtain better technical effect, the bottom surface of the seat body 22 is provided with a fixing hole which is connected with a steel rail or a support through a fixing bolt;
for better technical effect, the plane of the waist of the bevel edge of the probe mounting frame 4 is divided into at least two sections along the direction vertical to the rotation of the wheel, and the slope of one section is 1: 10, the slope of the other segment is 1: 20;
in order to obtain better technical effects, the probe mounting frame 4 further comprises a fixing plate 42, a screw 43 with a nut, a spring 44, a fixing seat 45 and at least two fixing screws 46, wherein the fixing plate 42 is provided with a plurality of through holes 421, the screw 43 with the nut is sleeved in the spring 44 after penetrating through the through holes 421 and is fixedly connected with the fixing seat 45, and the fixing plate 42 is fixed inside the probe mounting frame 4 through the at least two fixing screws 46; the probe is mounted on the top of the fixed seat 45.
The utility model discloses according to the particular case of train wheel, take unique design method, therefore produce splendid effect of detecting a flaw. The utility model discloses mainly used railway locomotive wheel is among the semi-automatic, the automatic system of visiting of rail-mounted manual inspection, rail or not rail, also is arranged in among the manual work, semi-automatic, the automatic system of visiting of track traffic passenger, freight train wheel.
Drawings
FIG. 1 is a front partial sectional view of the overall construction of the practice of the invention;
FIG. 2 is a left partial sectional view of the overall construction of the practice of the invention;
fig. 3 is a sectional view of the connecting seat 2 of the present invention;
FIG. 4 is a front sectional view of the movable beam of the present invention;
FIG. 5 is a top partial cross-sectional view of the walking beam of the present invention;
FIG. 6 is a front view of a probe mounting frame according to an embodiment of the present invention;
fig. 7 is a top view of a probe mounting frame according to an embodiment of the present invention;
fig. 8 is a right side view of the probe mounting frame according to the embodiment of the present invention.
Detailed Description
The contents of the present invention will be further explained with reference to the accompanying drawings and examples.
According to the attached figures 1-7, a multi-degree-of-freedom self-positioning flaw detection bracket comprises a connecting seat 2, a movable beam 3 and a probe mounting frame 4,
the connecting base 2 comprises a base body 22 and a U-shaped structural body 21,
the seat body 22 comprises a bottom surface and an inclined surface, the included angle between the inclined surface and the bottom surface is α, and the included angle is more than or equal to 0 and less than or equal to α and less than or equal to 90 degrees;
as a preferred technical scheme, an included angle α between the inclined surface and the bottom surface is preferably 35-55 degrees;
as a further preferable technical scheme, an included angle α between the inclined surface and the bottom surface is preferably 51 degrees;
the bottom surface of the structural body 21 is fixed on the inclined surface of the seat body 22;
two side walls of the structure body 21 are respectively and oppositely provided with a first connecting through hole 23;
the bottom surface of the seat body 22 is provided with a fixing hole which is connected with a steel rail or a support through a fixing bolt;
as a preferred technical scheme, the device also comprises an electromagnet 1, wherein the electromagnet 1 is fixedly installed on the bottom surface of the seat body 22; the electromagnet 1 is connected with a steel rail or a metal support through magnetism;
the movable beam 3 is provided with four mutually vertical extension edges which are crossed to form a cross structure; the top ends of the four extending edges are respectively provided with a folded edge 31 which is vertical to the extending edge of the movable beam 3;
each folded edge 31 is provided with a through hole, wherein a first pair of through holes 32 on one pair of opposite folded edges 31 are matched with the first connecting through holes 23 and movably connected through a pair of first pin shafts 24, and a second pair of through holes 33 on the other pair of opposite folded edges 31;
after the movable beam 3 is connected with the connecting seat 2 through the first pin shaft 24, the movable beam can rotate around the first pin shaft 24 in the forward and reverse directions in the n direction relative to the connecting seat 2, and the spacing of the rotating angle is determined by the gap between the movable beam and the connecting seat;
the probe mounting frame 4 is of a right-angle trapezoidal structure, two side surfaces of the probe mounting frame are respectively and oppositely provided with a second connecting through hole 41, the plane of the right-angle waist is vertically downward, and the second connecting through holes 41 are matched with the second pair of through holes 33 and are movably connected through a pair of second pin shafts 42;
after the probe mounting frame 4 is connected with the movable beam 3 through the second pin 42, the probe mounting frame can rotate around the second pin 42 in the forward and backward directions of m relative to the movable beam 3, and the rotation angle of the probe mounting frame is determined by the gap between the movable beam and the probe mounting frame;
the plane of the bevel edge waist of the probe mounting frame 4 is arc-shaped along the rotation direction of the wheel and is matched with the shape of the tread of the wheel;
the plane where the bevel waist of the probe mounting frame 4 is located is divided into at least two sections along the direction vertical to the rotation of the wheel, and the slope of one section is 1: 10, the slope of the other segment is 1: 20;
the plane of the bevel edge waist of the probe mounting frame 4 is similar to the shapes of the circumferential arc surface 6, the axial inclined surface 12 and the axial inclined surface 13 of the material wheel tread;
as shown in fig. 7, the probe A, B, C, D, E is provided on the plane of the oblique waist of the probe mounting frame 4, and the main beams of the probes are directed to 0a, 0b, 0c, 0d, and 0e, so that the probe can be automatically kept perpendicular to both the wheel arc surface 6 having the radius R and the inclined surfaces 12 and 13 during actual flaw detection, and the flaw detection support has a multi-degree-of-freedom self-positioning function.
As another preferred technical solution, the probe mounting frame 4 further includes a fixing plate 42, a screw 43 with a nut, a spring 44, a fixing seat 45, and at least two fixing screws 46, wherein the fixing plate 42 is provided with a plurality of through holes 421, the screw 43 with a nut is inserted into the spring 44 after passing through the through holes 421, and is fixedly connected to the fixing seat 45, and the fixing plate 42 is fixed inside the probe mounting frame 4 by the at least two fixing screws 46; the probes A, B, C, D, E are installed on the top of the fixed seat 45, the main sound beams of the probes point to 0a, 0b, 0c, 0d and 0e, so that the probes can be automatically kept perpendicular to the cambered surface 6 and the inclined surfaces 12 and 13 of the wheel with the radius R during actual flaw detection, the flaw detection bracket also has a self-positioning function with multiple degrees of freedom, and in addition, after the probe A, B, C, D, E is fixed with the fixed seat 45, the probe A, B, C, D, E can make F-direction telescopic motion together with the fixed seat 45.
As described above, a complete multi-degree-of-freedom self-positioning flaw detection bracket is formed. With the multi-freedom self-positioning flaw detection bracket of the utility model, closely connected are the flaw detection instrument, the combined probe, the steel rail and the wheel of the detected locomotive.
After the connection such as above-mentioned instrument and equipment is ready, will the utility model discloses the self-align of multi freedom is detected a flaw the support and is in on the rail and/or the suitable position in wheel below, presses the electromagnet and leads to the electric switch, and the electromagnet just is fixed on the rail and combination probe and wheel tread in close contact with coupling.
The wheels are rotated at a certain angular speed according to the technical specification, and the flaw detection of the locomotive wheels is formally started.
0 in fig. 1 is the wheel circle center; r is the radius of the wheel tread; a, B, C, D, E in FIGS. 1 and 2 is a partial probe of the combined probe; 0a, 0b, 0c, 0d and 0e are the axial lines or the central lines of the main sound beams of the probes; m and n are respectively schematic rotating shafts.
The utility model discloses combination probe A, B, C, D, E on multi freedom self-align flaw detection support, when contact wheel tread's arc surface 6 and two different inclined planes 12, 13, because 4 appearance contact surfaces of probe installation frame are close with the wheel face 6, 12, 13, and probe installation frame 4 can be in the same direction as the contrarotation for walking beam 3, walking beam 3 can be in the same direction as the contrarotation again for connecting seat 2, each probe spring in the installation frame makes installation frame 4 can do F to concertina movement, make combination probe A, B, C, D, E can hug closely the wheel tread.
Train wheel is at rotatory practical flaw detection in-process, and the local spatial position of train wheel tread probably takes place small change, the utility model discloses the fixed each probe of multi freedom self-align flaw detection support can make timely adjustment to above-mentioned change, give multi freedom self-align compensation, obtained the best coupling effect of detecting a flaw, the inside similar flat bed hole defect 8 that appears of hypothetical wheel in figure 1 and figure 2 that appears, the inside similar cross bore defect 14 that appears of hypothetical wheel, similar cross bore defect 15 or other similar defects that hypothetical wheel rim portion position appears of hypothetical wheel, all will be detected out by the system of detecting a flaw and show and record, and the utility model discloses an important component of system of detecting a flaw.
Claims (7)
1. A multi-degree-of-freedom self-positioning flaw detection bracket comprises a connecting seat, a movable beam and a probe mounting frame, and is characterized in that,
the connecting seat comprises a seat body and a U-shaped structural body,
the seat body comprises a bottom surface and an inclined surface, the included angle between the inclined surface and the bottom surface is α, and α is more than or equal to 0 degree and less than or equal to 90 degrees;
the bottom surface of the structure body is fixed on the inclined surface of the seat body;
two side walls of the structure body are respectively and oppositely provided with a first connecting through hole;
the movable beam is provided with four mutually vertical extension edges which are crossed to form a cross structure; the top ends of the four extending edges are respectively provided with a folding edge which is vertical to the extending edge of the movable beam;
each folded edge is provided with a through hole, a first pair of through holes on one pair of opposite folded edges are matched with the first connecting through holes and movably connected through a pair of first pin shafts, and a second pair of through holes on the other pair of opposite folded edges are formed;
the probe mounting frame is of a right-angle trapezoidal structure, two side faces of the probe mounting frame are respectively and oppositely provided with a second connecting through hole, the plane where the right-angle waist is located is vertically downward, and the second connecting through holes are matched with the second pair of through holes and are movably connected through a pair of second pin shafts;
the plane of the bevel edge waist of the probe mounting frame is arc-shaped along the rotation direction of the wheel and is matched with the shape of the tread of the wheel.
2. The self-positioning flaw detection support with multiple degrees of freedom of claim 1, wherein an included angle α between the inclined plane and the bottom plane is 35-55 degrees.
3. The self-positioning flaw detection support with multiple degrees of freedom of claim 1, wherein an included angle α between the inclined plane and the bottom plane is 48-54 degrees.
4. The multi-degree-of-freedom self-positioning flaw detection bracket of claim 1, further comprising an electromagnet, wherein the electromagnet is fixedly arranged on the bottom surface of the seat body; the electromagnet is connected with the steel rail or the metal support through magnetism.
5. The multi-degree-of-freedom self-positioning flaw detection bracket of claim 1, wherein the bottom surface of the base body is provided with fixing holes which are connected with steel rails or supports through fixing bolts.
6. The multi-degree-of-freedom self-positioning flaw detection bracket of claim 1, wherein the plane where the bevel waist of the probe mounting frame is located is divided into at least two sections along the direction perpendicular to the rotation direction of the wheel, and the slope of one section is 1: 10, the slope of the other segment is 1: 20.
7. the multi-degree-of-freedom self-positioning flaw detection bracket of claim 1, wherein the probe mounting frame further comprises a fixing plate, a screw rod with a nut, a spring, a fixing seat and at least two fixing screws, the fixing plate is provided with a plurality of through holes, the screw rod with the nut is sleeved in the spring after passing through the through holes and is fixedly connected with the fixing seat, and the fixing plate is fixed inside the probe mounting frame through the at least two fixing screws; the top of the fixed seat is provided with a probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772760.2U CN210034844U (en) | 2019-05-27 | 2019-05-27 | Multi-degree-of-freedom self-positioning flaw detection support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772760.2U CN210034844U (en) | 2019-05-27 | 2019-05-27 | Multi-degree-of-freedom self-positioning flaw detection support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034844U true CN210034844U (en) | 2020-02-07 |
Family
ID=69344552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772760.2U Expired - Fee Related CN210034844U (en) | 2019-05-27 | 2019-05-27 | Multi-degree-of-freedom self-positioning flaw detection support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034844U (en) |
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2019
- 2019-05-27 CN CN201920772760.2U patent/CN210034844U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210527 |