CN209014520U - A kind of spy wheel support for being conducive to detect rail flat-bottom hole - Google Patents
A kind of spy wheel support for being conducive to detect rail flat-bottom hole Download PDFInfo
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- CN209014520U CN209014520U CN201821888199.6U CN201821888199U CN209014520U CN 209014520 U CN209014520 U CN 209014520U CN 201821888199 U CN201821888199 U CN 201821888199U CN 209014520 U CN209014520 U CN 209014520U
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- inclined surface
- principal plane
- wheel support
- bottom hole
- conducive
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Abstract
The utility model discloses a kind of spy wheel supports for being conducive to detect rail flat-bottom hole, including principal plane and principal plane two sides, respectively there are three the inclined surface being linked in sequence, three inclined surface are respectively the first inclined surface, second inclined surface and third inclined surface, first inclined surface is connect with principal plane, second inclined surface is connect with third inclined surface, second inclined surface or third inclined surface are connect with the first inclined surface, the range of the angle [alpha] of second inclined surface and principal plane is 20 °~30 °, the angle of third inclined surface and principal plane is β, wherein 1 ° of 3 ° of < alpha-beta <；Second inclined surface is for installing straight 70 ° of probes, and third inclined surface is for installing oblique 70 ° of probes.The probe visited wheel support and use different angle and position of the utility model, is able to detect the flat-bottom hole of different angle in rail, strengthens the detection effect to hurt and improves recall rate.
Description
Technical field
The utility model belongs to railway detection technique field more particularly to a kind of spy wheel for being conducive to detect rail flat-bottom hole
Bracket.
Background technique
As shown in Figure 1, rail head contains there are three types of flat-bottom hole in GTS-60SG test block, flat-bottom hole 1 be positioned at rail head, from tyre tread to
The oblique flat-bottom hole for boring 26 ° of φ 4 × 20, is detected using oblique 70 ° of probes secondary wave.Flat-bottom hole 2 is positioned at rail head, from rail end
Upward to bore 20 ° apart from tyre tread 15mm, the flat-bottom hole of φ 4 is detected using straight 70 ° of probe primary waves (close).Flat-bottom hole 3 is
Positioned at rail head, bore 20 ° apart from tyre tread 50mm from rail end is upward, the flat-bottom hole of φ 4, using straight 70 ° of probe primary waves (remote) into
Row detection.
Utility model content
In order to detect the rail head core wound of Manual damage in the total GTS-60SG test block of iron, the utility model proposes a kind of advantageous
In the spy wheel support of detection rail flat-bottom hole.
The technical scheme adopted by the utility model is
A kind of spy wheel support for being conducive to detect rail flat-bottom hole, including respectively there are three suitable for principal plane and principal plane two sides
The inclined surface of sequence connection, three inclined surface are respectively the first inclined surface, the second inclined surface and third inclined surface, first inclination
Face is connect with the principal plane, and second inclined surface is connect with the third inclined surface, and second inclined surface or third are inclined
Inclined-plane is connect with first inclined surface, and the range of the angle [alpha] of second inclined surface and the principal plane is 20 °~30 °, institute
The angle for stating third inclined surface and the principal plane is β, wherein 1 ° of 3 ° of < alpha-beta <；Second inclined surface is for installing straight 70 °
Probe, the third inclined surface is for installing oblique 70 ° of probes.
Preferably, the initial end of first inclined surface is connect with the principal plane, the initial end of second inclined surface
It is connect with the end of first inclined surface, the end of the initial end of the third inclined surface and second inclined surface connects
It connects, and forms the boss relative to second inclined surface on the third inclined surface.
Preferably, the initial end of first inclined surface is connect with the principal plane, the initial end of the third inclined surface
It is connect with the end of first inclined surface, the end of the initial end of second inclined surface and the third inclined surface connects
It connects.
Preferably, visiting wheel support includes mounting base, the mounting base is an integral molding structure with the principal plane, and conducting wire is worn
The inside for crossing the mounting base into the principal plane is electrically connected with probe therein.
Preferably, visiting wheel support includes ring flange and sealing element, the sealing element and the mounting base, which are formed, to be sealed, described
The sealing element is fixedly mounted in the mounting base by ring flange, is offered on the sealing element and the ring flange corresponding
Through-hole, hole size are adapted with the size of the conducting wire.
Preferably, the sealing element and the mounting base are interference fit.
Preferably, the ring flange is made of stainless steel material and/or the sealing element is made of elastic material, and/or
The mounting base is made of stainless steel material.
Preferably, be provided with cabling channel on first inclined surface, the cabling channel include round hole and with the round hole
The slit of connection, the slit is for dismounting the conducting wire, and the round hole is for concentrating cabling.
Compared with prior art, the utility model has the beneficial effects that
First inclined surface of spy wheel support setting of the utility model can avoid 0 ° of probe from surpassing with what 37 ° of probes emitted as far as possible
Acoustical signal is received by 70 ° of probes, improves measuring accuracy；
The second inclined surface and third inclined surface is arranged in the spy wheel support of the utility model, and inclines in the second inclined surface and third
Straight 70 ° of probes and oblique 70 ° probes are installed respectively on inclined-plane, the detection effect to hurt is strengthened, improves recall rate；
Second inclined surface for visiting wheel support setting of the utility model and third inclined surface are there are differential seat angle, and the peace of the two
Holding position can be interchanged, position diversity.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
Fig. 1 is the flat-bottom hole distribution map of rail head in the GTS-60SG test block of standard sample rail；
Fig. 2 is non-destructive control probe and the best relative position schematic diagram of hurt；
Fig. 3 is the structure chart of the spy wheel support of the utility model first embodiment；
The side view for the spy wheel support that Fig. 4 is Fig. 3；
Fig. 5 is the structure chart of the spy wheel support of the utility model second embodiment；
The side view for the spy wheel support that Fig. 6 is Fig. 5.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.
As shown in Fig. 2, non-destructive control probe and the best relative position schematic diagram of hurt, wherein α L is ultrasonic wave incidence angle,
α ' L is ultrasonic reflections angle, and β L is ultrasonic wave refraction angle, and C1 is the velocity of sound of the ultrasonic wave in coupling liquid, and C2 is ultrasonic wave in steel
The velocity of sound in rail.When ultrasonic signal is perpendicular to hurt region, signal intensity is maximum in known non-destructive testing, is more readily detected
Hurt out, refraction angle is perpendicular to hurt position, such hurt position is fixed in sample rail at this time, thenFor fixed value, so visiting
The cooperation of incidence angle and coupling liquid that brilliance degree is formed is particularly important.In order to preferably detect such hurt in standard sample rail, answer
When guaranteeing ultrasonic signal refraction angle first perpendicular to hurt position, this is just to head angle (variable) and the coupling liquid velocity of sound (oneself
Row configuration coupling liquid) strict requirements are combined with, it is required that guaranteeing:
Please comprehensive reference Fig. 3 to Fig. 6, it is a kind of be conducive to detect rail flat-bottom hole spy wheel support, including principal plane 4 and
For 4 two sides of principal plane respectively there are three the inclined surface being linked in sequence, three inclined surface are respectively the first inclined surface 5,6 and of the second inclined surface
Third inclined surface 7, the first inclined surface 5 are connect with principal plane 4, and the second inclined surface 6 is connect with third inclined surface 7, the second inclined surface 6
Or third inclined surface 7 is connect with the first inclined surface 5, the range of the second inclined surface 6 and the angle [alpha] of principal plane 4 is 20 °~30 °, the
Three inclined surface 7 and the angle of principal plane are β, wherein 1 ° of 3 ° of < alpha-beta <；Second inclined surface 6 is for installing straight 70 ° of probes, third
Inclined surface 7 is for installing oblique 70 ° of probes.
0 ° of probe can be installed on the principal plane 4 of the utility model, 37 ° of probes can be installed on the first inclined surface 5, it is theoretical
As long as upper meet the needs of incident angle, it can be mounted in any position, but in order to avoid 0 ° of probe and 37 ° of transmittings of popping one's head in as far as possible
Ultrasonic signal is received by 70 ° of probes, formed interference, so 0 ° probe, 37 ° probe it is best be installed separately with 70 ° of probes, but this
In be not on principal plane 4 install 0 ° probe and on the first inclined surface 5 install 37 ° of probes limit.
As shown in Figure 1, the angle of flat-bottom hole 1 and normal is 64 °, the angle of flat-bottom hole 2, flat-bottom hole 3 and normal is 70 °,
There are certain differential seat angles for the angle of two kinds of flat-bottom holes.In order to reinforce the detection effect to two kinds of hurts, recall rate is improved, is used
The probe of different angle is detected a flaw.Straight 70 ° of probes are mounted on the second inclined surface 6 that angle is α, and oblique 70 ° of probes are mounted on
On the third inclined surface 7 that angle is β.Due to hurt angle it is known that can be found out according to the difference of the used coupling liquid velocity of sound
The incidence angle of probe so the incidence angle of corresponding probe is also different, therefore designs two not since there are differential seat angles for standard hurt
Inclined-plane with angle is detected a flaw, and due to the presence and adaptability of critical angle, calculates the incident angle α of oblique 70 ° of probes
Range should control between 20 °~30 °, and gained refraction angle should ensure that between 64 °~65 °, different according to hurt angle, directly
Between 1 ° of 3 ° of < alpha-beta <, gained refraction angle should ensure that between 67 °~70 ° the range that the incident angle β of 70 ° of probes uses.
In one embodiment, in conjunction with shown in Fig. 3 and Fig. 4, the initial end of the first inclined surface 5 is connect with principal plane 4, and second
The initial end of inclined surface 6 is connect with the end of the first inclined surface 5, the knot of the initial end of third inclined surface 7 and the second inclined surface 6
The connection of beam end, and third inclined surface 7 has a boss relative to the second inclined surface 6.In the design, according to the requirement meter of equipment
It calculates, oblique position of 70 ° of the probe away from incidence point will keep certain distance, therefore mobile from the second inclined surface 6 in oblique 70 ° of probe
It needs to move up certain distance after to third inclined surface 7, to be provided with such a structure of boss.It should be known that this
It is not the restriction to scope of protection of the utility model that boss is arranged in embodiment on third inclined surface 7.
In another embodiment, in conjunction with shown in Fig. 5 and Fig. 6, the initial end of the first inclined surface 5 is connect with principal plane 4, the
The initial end of three inclined surface 7 is connect with the end of the first inclined surface 5, initial end and the third inclined surface 7 of the second inclined surface 6
End connection.In the design, principal plane 4, the first inclined surface 5, the second inclined surface 6 and the junction of third inclined surface 7 are not
There are differences in height, that is, be not present above-mentioned " boss " structure, therefore ensure that it is straight 70 ° probe and oblique 70 ° of Probe arrangements to have
Under the premise of differential seat angle, the position of the second inclined surface 6 and third inclined surface 7 is interchangeable, so that straight 70 ° of probes and oblique 70 ° probes
Installation site diversity.Certainly, the structure of " boss " or " groove " is set in the middle part of the present embodiment, is not to the utility model
The restriction of protection scope.
In one embodiment, visiting wheel support further includes mounting base, and mounting base is an integral molding structure with principal plane, conducting wire
It is electrically connected across the inside that mounting base enters principal plane with probe therein.Further, it includes ring flange and close for visiting wheel support
Sealing, sealing element and mounting base, which are formed, to be sealed, and sealing element is fixedly mounted in mounting base by ring flange, on sealing element and ring flange
Corresponding through-hole is offered, hole size is adapted with the size of conducting wire.Further, sealing element and mounting base are matched for interference
It closes.In the present embodiment, the sealing of sealing element forms sealing in conjunction with the seal groove in mounting base, can be in sealing or close
Sealing groove forms certain inclination angle, so that more to compress sealing performance better for sealing and seal groove.Certainly, sealing and seal groove
To form certain inclination angle, the two interference fit is installed in mounting base convenient for sealing element.Further, ring flange is by stainless steel
Material is made and/or sealing element is made of elastic material and/or mounting base is made of stainless steel material.
In one embodiment, be provided with cabling channel (not shown) on the first inclined surface 5, cabling channel include round hole and
The slit being connected to round hole, slit is for dismounting conducting wire, and round hole is for concentrating cabling.In the design, across mounting base
Conducting wire concentrates cabling after slit in round hole, and concentrates the wires for bundling of cabling, prevents conducting wire at random.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of spy wheel support for being conducive to detect rail flat-bottom hole, including respectively there are three sequences for principal plane and principal plane two sides
The inclined surface of connection, which is characterized in that three inclined surface are respectively the first inclined surface, the second inclined surface and third inclined surface, institute
It states the first inclined surface to connect with the principal plane, second inclined surface is connect with the third inclined surface, second inclination
Face or third inclined surface are connect with first inclined surface, and second inclined surface and the range of the angle [alpha] of the principal plane are
20 °~30 °, the third inclined surface and the angle of the principal plane are β, wherein 1 ° of 3 ° of < alpha-beta <；It uses second inclined surface
In installing straight 70 ° of probes, the third inclined surface is for installing oblique 70 ° of probes.
2. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 1, which is characterized in that described the
The initial end of one inclined surface is connect with the principal plane, the end of the initial end of second inclined surface and first inclined surface
End connection, the initial end of the third inclined surface is connect with the end of second inclined surface, and the third inclined surface
Boss of the upper formation relative to second inclined surface.
3. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 1, which is characterized in that described the
The initial end of one inclined surface is connect with the principal plane, the end of the initial end of the third inclined surface and first inclined surface
End connection, the initial end of second inclined surface are connect with the end of the third inclined surface.
4. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 1, which is characterized in that including peace
Seat is filled, the mounting base is an integral molding structure with the principal plane, and conducting wire passes through the mounting base and enters the principal plane
Inside is electrically connected with probe therein.
5. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 4, which is characterized in that including method
Blue disk and sealing element, the sealing element and the mounting base, which are formed, to be sealed, and the sealing element is fixedly mounted on by the ring flange
In the mounting base, corresponding through-hole, the ruler of hole size and the conducting wire are offered on the sealing element and the ring flange
It is very little to be adapted.
6. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 5, which is characterized in that described close
Sealing and the mounting base are interference fit.
7. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 6, which is characterized in that the method
Blue disk is made of stainless steel material and/or the sealing element is made of elastic material and/or the mounting base is by stainless steel
Material is made.
8. a kind of spy wheel support for being conducive to detect rail flat-bottom hole according to claim 4, which is characterized in that described the
It is provided with cabling channel on one inclined surface, the cabling channel includes round hole and the slit that is connected to the round hole, and the slit is used
In dismounting the conducting wire, the round hole is for concentrating cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888199.6U CN209014520U (en) | 2018-11-16 | 2018-11-16 | A kind of spy wheel support for being conducive to detect rail flat-bottom hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888199.6U CN209014520U (en) | 2018-11-16 | 2018-11-16 | A kind of spy wheel support for being conducive to detect rail flat-bottom hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014520U true CN209014520U (en) | 2019-06-21 |
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ID=66842549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821888199.6U Active CN209014520U (en) | 2018-11-16 | 2018-11-16 | A kind of spy wheel support for being conducive to detect rail flat-bottom hole |
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| CN (1) | CN209014520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280161A (en) * | 2021-12-23 | 2022-04-05 | 杭州瑞声检测科技有限公司 | Probe wheel for double-rail type steel rail ultrasonic flaw detector |
-
2018
- 2018-11-16 CN CN201821888199.6U patent/CN209014520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280161A (en) * | 2021-12-23 | 2022-04-05 | 杭州瑞声检测科技有限公司 | Probe wheel for double-rail type steel rail ultrasonic flaw detector |
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