CN218382545U - Ultrasonic probe wheel based on rotary flooding plug seal - Google Patents
Ultrasonic probe wheel based on rotary flooding plug seal Download PDFInfo
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- CN218382545U CN218382545U CN202222122859.2U CN202222122859U CN218382545U CN 218382545 U CN218382545 U CN 218382545U CN 202222122859 U CN202222122859 U CN 202222122859U CN 218382545 U CN218382545 U CN 218382545U
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Abstract
The utility model discloses a wheel is visited to ultrasonic wave based on rotatory general stopper seals, it mainly comprises seal bearing structure, the connection structure of axle, wheel skin and coupling liquid. The detection wheel comprises a left shaft 1, a right shaft 2, a bearing dust cover 3 (1 for each left and right), a hole clamp 4 (1 for each left and right), a bearing 5 (1 for each left and right), a wheel skin pressing plate 6 (1 for each left and right), a left wheel disc 7, a right wheel disc 8, a rotary universal plug seal 9 (1 for each left and right), a rotary universal plug seal base pressing plate 10 (1 for each left and right), a two-shaft connecting frame 11, a shaft clamp 12 (1 for each left and right), and a wheel skin 13. Adopt rotatory general stopper to seal's sealed mode, improve the sealed mode of magnetism absorption in the present spy wheel, adopt the rotatory sealed mode of rotatory general stopper to seal, can realize better sealed effect, the cost is lower, and the cooperation requirement reduces.
Description
Technical Field
The utility model relates to an install the special detection device's that detects rail flaw condition on the track spy wheel, the ultrasonic wave based on rotatory general stopper seals specifically says so and surveys the wheel.
Background
The flaw detection vehicle is widely applied to detecting the steel rails used by the conventional ordinary railways, high-speed railways, urban subways or light rails. At present, the most widely used flaw detection vehicle is an ultrasonic flaw detection vehicle. The principle of ultrasonic detection is that an ultrasonic probe (piezoelectric wafer) in the probe vibrates according to its own natural vibration frequency after being excited by an ultrasonic emission signal (i.e., "high voltage pulse") emitted by the system. When the ultrasonic wave is transmitted in the steel rail and meets cracks, defects or cavities in the steel rail, part of ultrasonic wave energy is reflected back, and the reflected energy is received by the chip to be echo. The echoes obtained by various ultrasonic probes are converted into electric signals in an ultrasonic transducer, and finally displayed in an image form on a display control computer after analog processing, digital processing, space conversion and damage identification so as to finish the detection process of the damages at different parts and in different forms of the steel rail.
The current ultrasonic flaw detection vehicle detection wheel is mainly based on magnetic sealing, and has the problems of easy leakage, high assembly requirement, high manufacturing cost and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the sealed easy seepage of current ultrasonic wave flaw detection car spy wheel magnetism, assembly require high, the expensive scheduling problem of cost, provide one kind and seal sealed ultrasonic wave based on rotatory general stopper spy wheel.
The utility model discloses a concrete technical scheme is:
an ultrasonic probe wheel based on a rotating flood plug seal, the ultrasonic probe wheel comprising: sealed bearing structure and diaxon link, sealed bearing structure includes: left side axle, right side axle, two hole cards, two bearings, two wheel skin clamp plates, left rim plate, right rim plate, two rotatory general stopper seals, two rotatory general stopper seal base clamp plates, two axle cards, a wheel skin, wherein:
the left shaft, the hole clamp, the bearing, the wheel leather pressing plate, the left wheel disc, the rotary universal plug seal base pressing plate, the shaft clamp and the wheel leather form a left side sealing bearing structure; specifically, the method comprises the following steps:
the bearing is sleeved on the left shaft; the bearing and the left shaft are jointly fixed in the left wheel disc through the hole clamp and the shaft clamp arranged on the left side and the right side of the bearing; the bearing is embedded in a corresponding hole position on the left side of the left wheel disc, and the rotating general plug seal is fixed in an inner hole on the right side of the left wheel disc in a pressing mode through a rotating general plug seal base pressing plate; the wheel leather pressing plate clamps and fixes the wheel leather and the left wheel disc;
the right shaft, the hole clamp bearing, the wheel skin pressing plate, the right wheel disc, the rotary flooding plug seal base pressing plate, the shaft clamp and the wheel skin form a right side sealing bearing structure; specifically, the method comprises the following steps:
the bearing is sleeved on the right shaft; the bearing and the right shaft are jointly fixed in the right wheel disc through the hole clamp and the shaft clamp which are arranged on the left side and the right side of the bearing; the bearing is embedded in a corresponding hole position on the right side of the right wheel disc, and the rotating flooding plug seal is fixed in an inner hole on the left side of the right wheel disc in a pressing mode by rotating the flooding plug seal base pressing plate; the wheel leather pressing plate clamps and fixes the wheel leather and the right wheel disc;
the left sealing bearing structure and the right sealing bearing structure are symmetrical relative to the two-shaft connecting frame and are rigidly fixed with the two-shaft connecting frame.
Preferably, a bearing dust cover is arranged outside the hole clamp to prevent dust from entering the bearing.
Preferably, the wheel skin contains a coupling fluid under pressure.
Preferably, the material of the rotary flooding plug seal is carbon-containing polytetrafluoroethylene.
Preferably, the structure of the rotary universal plug seal comprises a rotary universal plug seal base, an annular groove, a shaft-attaching sealing surface and a V-shaped compression reed, wherein the annular groove is vertically arranged on the rotary universal plug seal base, and the inward outer wall of the annular groove is sleeved on a shaft as the shaft-attaching sealing surface;
the rotating flooding plug seal base pressing plate presses the rotating flooding plug seal base to the matching hole position of the wheel disc, so that sealing between the rotating flooding plug seal and the wheel disc is realized; the elasticity of the V-shaped compression reed and the pressure of coupling liquid in the probe wheel to the V-shaped compression reed enable the shaft-attaching sealing surface of the rotary flooding plug seal to contract inwards, and sealing between the shaft-attaching sealing surface of the rotary flooding plug seal and a shaft is achieved.
Preferably, the two-shaft connecting frame is provided with an ultrasonic flaw detection device.
The beneficial effects of the utility model
Adopt rotatory general stopper to seal's sealed mode, improve the sealed mode of magnetism absorption in the present spy wheel, adopt the rotatory sealed mode of rotatory general stopper to seal, can realize better sealed effect, the cost is lower, and the cooperation requirement reduces.
Drawings
Fig. 1 is an explosion assembly drawing of the ultrasonic probe wheel based on the rotary flooding plug seal of the utility model.
Fig. 2 is a sealing structure diagram of the rotary universal plug seal of the utility model.
Fig. 3 is a structure diagram of the rotary universal plug seal of the utility model.
Detailed Description
The present invention will be further explained with reference to the following examples, but the scope of the present invention is not limited thereto:
as shown in fig. 1.
An ultrasonic probe wheel based on rotary flooding plug seal mainly comprises a seal bearing structure, a shaft connecting structure, a wheel skin and coupling liquid. The detection wheel comprises a left shaft 1, a right shaft 2, a bearing dust cover 3 (1 for the left and the right), a hole clamp 4 (1 for the left and the right), a bearing 5 (1 for the left and the right), a wheel skin pressing plate 6 (1 for the left and the right), a left wheel disc 7, a right wheel disc 8, a rotary universal plug seal 9 (1 for the left and the right), a rotary universal plug seal base pressing plate 10 (1 for the left and the right), a two-shaft connecting frame 11, a shaft clamp 12 (1 for the left and the right) and a wheel skin 13.
The ultrasonic flaw detection device is mounted on the two-shaft connecting frame 11.
Taking the left side seal bearing structure as an example, it includes: the device comprises a left shaft 1, a bearing dust cover 3, a hole clamp 4, a bearing 5, a wheel leather pressing plate 6, a left wheel disc 7, a rotary universal plug seal 9, a rotary universal plug seal base pressing plate 10 and a shaft clamp 12. A hole clamp 4 is arranged in front of the wheel disc 7, a shaft clamp 12 is arranged behind the bearing 5, the bearing 5 and the left shaft 1 are fixed in the wheel disc 7, and a bearing dust cover 3 is arranged outside the hole clamp 4 to prevent dust from entering the bearing 5. The bearing 5 is embedded in the corresponding hole position on the left side of the wheel disc 7, the rotating flooding plug seal 9 is pressed and fixed in the inner hole on the right side of the left wheel disc 7 by rotating the pressure of the base pressing plate 10 of the flooding plug seal, the left wheel disc 7 is fixed between the shaft clamp 12 on the right side of the bearing 5 and the rotating flooding plug seal 9, and the sealing between the base 9-1 of the rotating flooding plug seal and the wheel disc 7 is realized; through the self elasticity of the spring 9-2 of the rotary flooding plug seal 9 and the pressure of coupling liquid in the probe wheel to the spring, the shaft sealing surface 9-3 of the rotary flooding plug seal is reduced, and the sealing between the shaft sealing surface 9-3 of the rotary flooding plug seal and the left shaft 1 is realized.
The left wheel leather pressing plate 6 clamps and fixes the leather 13 and the left wheel disc 7, and the right wheel leather pressing plate 6 clamps and fixes the leather 13 and the right wheel disc 8. The left shaft 1 and the right shaft 2 of the probe wheel and the rotary sealing structure thereof are in mirror symmetry relative to the two-shaft connecting frame 11 and are rigidly fixed with the two-shaft connecting frame 11. The left wheel leather pressing plate 6 clamps and fixes the leather 13 and the left wheel disc 7, and the right wheel leather pressing plate 6 clamps and fixes the leather 13 and the right wheel disc 8.
As shown in fig. 2.
A structure diagram of a rotary universal plug seal, the structure of the rotary universal plug seal 9 includes a rotary universal plug seal base 9-1, an annular groove 9-2, a shaft-attaching sealing surface 9-3 and a V-shaped compression reed 9-4, the annular groove 9-2 is vertically arranged on the rotary universal plug seal base 9-1, the inward outer wall of the annular groove 9-2 is sleeved on a shaft as the shaft-attaching sealing surface 9-3;
the rotating flooding plug seal base pressing plate 10 presses the rotating flooding plug seal base 9-1 to the matching hole position of the wheel disc, so that the rotating flooding plug seal 9 and the wheel disc are sealed; the elasticity of the V-shaped compression spring 9-4 and the pressure of coupling liquid in the probe wheel to the V-shaped compression spring 9-4 enable the shaft sealing surface 9-3 of the rotary flooding plug seal to contract inwards, and sealing between the shaft sealing surface 9-3 of the rotary flooding plug seal and a shaft is achieved.
As shown in fig. 3.
The ultrasonic probe wheel sealing mode based on the rotary flooding plug seal is different from magnetic sealing, sealing between a flooding plug seal 9 and a wheel disc 7 is realized by rotating the pressure of a flooding plug seal base pressing plate 10, sealing between a shaft-attaching sealing surface of the rotary flooding plug seal and a left shaft 1 (the same as the right shaft 2) is realized by rotating a spring of the flooding plug seal 9 and coupling hydraulic pressure inside a probe wheel, the temperature range of the effective range of the sealing mode is-80-200 ℃, and the sealing pressure is 1MPa.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides an ultrasonic wave surveys wheel based on sealed of rotatory general stopper, characterized by ultrasonic wave surveys the wheel and includes: seal bearing structure and two-axis link (11), the seal bearing structure includes: left side axle (1), right side axle (2), two hole clamps (4), two bearings (5), two wheel skin clamp plates (6), left side wheel dish (7), right side rim plate (8), two rotatory general stopper seals (9), two rotatory general stopper seals base clamp plate (10), two axle clamps (12), a wheel skin (13), wherein:
a left shaft (1), a hole clamp (4), a bearing (5), a wheel leather pressing plate (6), a left wheel disc (7), a rotary flooding plug seal (9), a rotary flooding plug seal base pressing plate (10), a shaft clamp (12) and a wheel leather (13) form a left sealing bearing structure; specifically, the method comprises the following steps: the bearing (5) is sleeved on the left shaft (1); the bearing (5) and the left shaft (1) are jointly fixed in the left wheel disc (7) through the hole clamps (4) and the shaft clamps (12) arranged on the left side and the right side of the bearing (5); the bearing (5) is embedded in a corresponding hole position on the left side of the left wheel disc (7), and the rotating flooding plug seal base pressing plate (10) presses and fixes the rotating flooding plug seal (9) in an inner hole on the right side of the left wheel disc (7); the wheel leather pressing plate (6) clamps and fixes the wheel leather (13) and the left wheel disc (7);
a right sealing bearing structure is formed by a right shaft (2), a hole clamp (4), a bearing (5), a wheel leather pressing plate (6), a right wheel disc (8), a rotary flooding plug seal (9), a rotary flooding plug seal base pressing plate (10), a shaft clamp (12) and a wheel leather (13); specifically, the method comprises the following steps: the bearing (5) is sleeved on the right shaft (2); the bearing (5) and the right shaft (2) are jointly fixed in the right wheel disc (8) through the hole clamps (4) and the shaft clamps (12) arranged on the left side and the right side of the bearing (5); the bearing (5) is embedded in a corresponding hole position on the right side of the right wheel disc (8), and the rotating flooding plug seal base pressing plate (10) presses and fixes the rotating flooding plug seal (9) in an inner hole on the left side of the right wheel disc (8); the wheel leather pressing plate (6) clamps and fixes the wheel leather (13) and the right wheel disc (8);
the left sealing bearing structure and the right sealing bearing structure are symmetrical relative to the two-shaft connecting frame (11) and are rigidly fixed with the two-shaft connecting frame (11).
2. An ultrasonic probe wheel according to claim 1, characterized in that the hole card (4) is provided with a bearing dust cover (3) on the outside to prevent dust from entering the bearing (5).
3. An ultrasonic probe wheel according to claim 1, characterised in that the wheel skin (13) contains a coupling liquid under pressure.
4. The ultrasonic probe wheel according to claim 1, wherein the material of the rotating flood seal (9) is carbon-containing polytetrafluoroethylene.
5. The ultrasonic probe wheel according to claim 2, wherein the structure of the rotary flooding plug seal (9) comprises a rotary flooding plug seal base (9-1), an annular groove (9-2), a shaft sealing surface (9-3) and a V-shaped compression spring (9-4), the annular groove (9-2) is vertically arranged on the rotary flooding plug seal base (9-1), and the inward outer wall of the annular groove (9-2) is sleeved on a shaft as the shaft sealing surface (9-3); the V-shaped compression reeds (9-4) are embedded along the radius direction of the annular groove (9-2), and a plurality of V-shaped compression reeds (9-4) are uniformly distributed in the annular groove (9-2);
the rotating flooding plug seal base pressing plate (10) presses the rotating flooding plug seal base (9-1) to the matching hole position of the wheel disc, so that the sealing between the rotating flooding plug seal (9) and the wheel disc is realized; the elasticity of the V-shaped compression reed (9-4) and the pressure of coupling liquid in the probe wheel to the V-shaped compression reed (9-4) enable the shaft sealing surface (9-3) of the rotary flooding plug seal to contract inwards, and sealing between the shaft sealing surface (9-3) of the rotary flooding plug seal and a shaft is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222122859.2U CN218382545U (en) | 2022-08-12 | 2022-08-12 | Ultrasonic probe wheel based on rotary flooding plug seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222122859.2U CN218382545U (en) | 2022-08-12 | 2022-08-12 | Ultrasonic probe wheel based on rotary flooding plug seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218382545U true CN218382545U (en) | 2023-01-24 |
Family
ID=84966396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222122859.2U Active CN218382545U (en) | 2022-08-12 | 2022-08-12 | Ultrasonic probe wheel based on rotary flooding plug seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218382545U (en) |
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2022
- 2022-08-12 CN CN202222122859.2U patent/CN218382545U/en active Active
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