CN217212464U - Wheel guider is visited to rail flaw detection car - Google Patents
Wheel guider is visited to rail flaw detection car Download PDFInfo
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- CN217212464U CN217212464U CN202221032818.8U CN202221032818U CN217212464U CN 217212464 U CN217212464 U CN 217212464U CN 202221032818 U CN202221032818 U CN 202221032818U CN 217212464 U CN217212464 U CN 217212464U
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- wheel
- connecting rod
- flaw detection
- probe
- flaw
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Abstract
The utility model provides a rail flaw detection car visits wheel guider, including fixing base, installing support, the wheelset of detecting a flaw, extensible member and connecting rod, it is connected to rotate between fixing base and the installing support, the wheelset of detecting a flaw slides and sets up in the below of installing support, it is perpendicular with the rotation axis between fixing base and the installing support to detect a flaw the wheelset's slip direction, the middle part and the installing support of connecting rod rotate to be connected, the lower extreme and the wheelset swing joint of detecting a flaw of connecting rod, the upper end of connecting rod is rotated with the one end of extensible member and is connected, the other end and the fixing base of extensible member rotate to be connected. The utility model discloses a visit wheel guider adopts the leading wheel guiding orientation in the wheel group of detecting a flaw, improves the location detection precision; the loosening of the guide wheel and the lifting of the mounting bracket and the flaw detection wheel set can be completed through one action of the telescopic piece, so that the probe wheel is conveniently lifted and lowered; the utility model discloses a visit wheel guider can reduce and visit the wheel wearing and tearing, improves life.
Description
Technical Field
The utility model relates to a rail flaw detection technical field, concretely relates to rail flaw detection car visits wheel guider.
Background
With the continuous advance of urbanization, population converges towards cities, and urban traffic jam is caused. The subway plays an important role in solving the problems of urban roads and the like due to the advantages of large carrying capacity, high speed, no occupation of ground space and the like. The steel rail is used as a train running track, plays an important role in the whole system, and has important significance for ensuring that the steel rail is in a lossless state all the time and the train runs safely.
Chinese patent application No. CN201911011903.9 discloses a probe wheel bracket of a rail ultrasonic flaw detector, which is characterized in that polyurethane wheels with rims are arranged at the front and the rear of a probe wheel for positioning, the probe wheel is mounted on a frame and can not be lifted and laid down at any time, the probe wheel is still pressed tightly on a rail to roll when the rail runs at high speed (non-flaw detection operation), rubber of the probe wheel is repeatedly bent, the abrasion is large, the rail is easily damaged by a switch point when the rail passes through a switch, and the service life is short; the wheel flange of the polyurethane wheel is positioned on the inner side of the steel rail, the wheel flange and the steel rail are in sliding friction, the abrasion is heavy, the position deviation is easy to occur, the damage such as crushing, side grinding and the like is easy to occur on the inner side of the steel rail, and the positioning precision of the inner side is poor.
In view of the above, there is a need for a rail-flaw detection vehicle wheel-guiding device to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail flaw detection car surveys wheel guider aims at solving current spy wheel device and can not mention the spy wheel at any time and put down and the relatively poor problem of positioning accuracy, and concrete technical scheme is as follows:
the utility model provides a rail flaw detection car surveys wheel guider, includes fixing base, installing support, the wheelset of detecting a flaw, extensible member and connecting rod, rotate between fixing base and the installing support and be connected, the wheelset of detecting a flaw slides and sets up in the below of installing support, the slip direction of the wheelset of detecting a flaw is perpendicular with the axis of rotation between fixing base and the installing support, the middle part and the installing support rotation of connecting rod are connected, the lower extreme and the wheelset swing joint of detecting a flaw of connecting rod, the upper end of connecting rod is rotated with the one end of extensible member and is connected, the other end and the fixing base rotation of extensible member are connected.
Preferably among the above technical scheme, the wheelset of detecting a flaw includes spy wheel support and sets up supporting wheel, leading wheel and the spy wheel on spy wheel support, spy wheel and supporting wheel are used for the upper surface rolling contact with the rail, the leading wheel sets up on the side of spy wheel support near the connecting rod, and the leading wheel is used for rolling contact with the rail outside.
Preferred among the above technical scheme, the wheelset of detecting a flaw still includes spring and spring clamp plate, it is equipped with many guide arms on the side that the wheel support is close to the connecting rod to visit, spring clamp plate slip cap is located many guide arms, it is equipped with spring and spring clamp plate and visits between the wheel support all to overlap on the guide arm, the lower extreme and the spring clamp plate swing joint of connecting rod.
Preferably, the lower end of the connecting rod is provided with a waist-shaped hole, and the connecting rod is hinged with the spring pressing plate through the waist-shaped hole.
Preferably, in the above technical scheme, the connecting rod is provided with a limiting boss, the mounting bracket is provided with a connecting rod mounting part for mounting the connecting rod, and the connecting rod mounting part is provided with a limiting groove; the limiting boss is located in the limiting groove, and the limiting boss and the limiting groove are matched to limit the rotation angle between the connecting rod and the mounting support.
Preferably, among the above technical scheme, the quantity of leading wheel is two, and two leading wheels set up respectively in the front side and the rear side of spring clamp plate.
Preferably, in the above technical solution, the supporting wheel and the probe wheel are located at the same height.
Preferably, among the above technical scheme, the quantity of supporting wheel is two, and two supporting wheels set up respectively in the front side and the rear side of visiting the wheel.
Preferably among the above technical scheme, realize sliding connection through the slide rail set spare between spy wheel support and the installing support.
Preferably, in the above technical scheme, the telescopic member is one of an electric push rod, an oil cylinder or an air cylinder.
Use the technical scheme of the utility model, following beneficial effect has:
the utility model discloses an it surveys wheel guider has that positioning accuracy is high, simple structure, conveniently mentions and transfers and surveys the wheel, reduces and surveys the wheel wearing and tearing, improves characteristics such as life, has solved current product positioning accuracy and has lower, surveys the heavier scheduling problem of wheel damage. Wherein the release of leading wheel and lifting rotation of installing support and detection wheelset can be accomplished through an action of extensible member, and structural design is ingenious.
The utility model discloses a visit wheel guider adopts the leading wheel to lead the location, uses rolling friction to replace rim sliding friction, has avoided the rim because of the deviation that sliding wear appears, improves the location detection precision; the outer side of the steel rail is used as a positioning reference, so that the positioning error caused by deformation of the inner side of the steel rail due to crushing side grinding is avoided, and the detection precision is improved.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of a probe wheel guide assembly from a first perspective;
FIG. 2 is a schematic view of the structure of the connecting rod of FIG. 1;
FIG. 3 is a schematic view of the mounting bracket and rail assembly of FIG. 1;
FIG. 4 is a schematic structural view of the inspection wheel set of FIG. 1;
FIG. 5 is a schematic view of the probe wheel guide assembly from a second perspective;
the steel rail detection device comprises a fixing seat 1, a fixing seat 2, a mounting support 2.1, a hinge hole 2.2, a connecting rod mounting piece 3, a detection wheel support 4, a telescopic piece 5, a connecting rod 5.1, a rotating shaft 5.2, a limiting boss 5.3, a kidney-shaped hole 6, a supporting wheel 7, a guide wheel 8, a spring 9, a spring pressing plate 10, a guide rod 11, a slide rail assembly 12, a detection wheel 13 and a steel rail.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below, and preferred embodiments of the present invention will be described. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1:
referring to fig. 1-5, a rail flaw detection vehicle detection wheel guiding device comprises a fixed seat 1, a mounting bracket 2, a flaw detection wheel set, a telescopic piece 4 and a connecting rod 5, wherein the fixed seat 1 is rotatably connected with the mounting bracket 2, the flaw detection wheel set is slidably arranged below the mounting bracket 2, the sliding direction of the flaw detection wheel set is perpendicular to the rotating axis between the fixed seat 1 and the mounting bracket 2, the middle part of the connecting rod 5 is rotatably connected with the mounting bracket 2, the lower end of the connecting rod 5 is movably connected with the flaw detection wheel set, the upper end of the connecting rod 5 is rotatably connected with one end of the telescopic piece 4, and the other end of the telescopic piece 4 is rotatably connected with the fixed seat 1. Preferably, the fixed seat is used for being connected with a frame of the flaw detection vehicle.
Referring to fig. 4, the flaw detection wheel set comprises a detection wheel support 3, and a supporting wheel 6, a guide wheel 7 and a detection wheel 12 which are arranged on the detection wheel support 3, wherein the detection wheel 12 and the supporting wheel 6 are used for being in rolling contact with the upper surface of a steel rail 13, the guide wheel 7 is arranged on the side surface of the detection wheel support 3 close to the connecting rod 5, and the guide wheel 7 is used for being in rolling contact with the outer side of the steel rail 13. Specifically, the relative positions of the supporting wheel 6, the guide wheel 7 and the detection wheel 12 are fixed, and the guide wheel 7 is in rolling contact with the outer side of the steel rail 13, so that the guide effect is realized.
Referring to fig. 1, the flaw detection wheel set further includes a spring 8 and a spring pressing plate 9, a plurality of guide rods 10 are arranged on the side surface of the detection wheel support 3 close to the connecting rod 5, the spring pressing plate 9 is slidably sleeved on the guide rods 10, the spring 8 is sleeved on each guide rod 10 and located between the spring pressing plate 9 and the detection wheel support 3, and the lower end of the connecting rod 5 is movably connected with the spring pressing plate 9. Preferably, the lower end of the connecting rod 5 is provided with a kidney-shaped hole 5.3, the connecting rod 5 is hinged to the spring pressing plate 9 through the kidney-shaped hole 5.3, and one degree of freedom is released through the kidney-shaped hole 5.3, so that the requirement for pushing the flaw detection wheel set to slide is met. The extension of extensible member promotes the slip of detection wheel group, realizes that leading wheel 7 hugs closely the rail outside, the connecting rod can reduce the resistance arm, improves the pressure to the leading wheel.
A limiting structure is arranged between the connecting rod 5 and the mounting bracket 2 to limit a rotating angle between the connecting rod and the mounting bracket, so that when the probe wheel is lifted, the guide wheel is loosened by a previous stroke of retracting and pulling the connecting rod by the telescopic part, and when the connecting rod and the mounting bracket are limited, the mounting bracket and the flaw detection wheel set are lifted together; specifically, a limiting boss 5.2 is arranged on the connecting rod 5, a connecting rod mounting part 2.2 for mounting the connecting rod 5 is arranged on the mounting bracket 2, a limiting groove is arranged on the connecting rod mounting part 2.2, a rotating shaft 5.1 is arranged in the middle of the connecting rod 5, and the rotating shaft 5.1 is rotatably arranged in a mounting hole of the connecting rod mounting part 2.2, so that the connecting rod can rotate relative to the mounting bracket; the limiting boss 5.2 is located in the limiting groove, and the limiting boss and the limiting groove are matched to limit the rotation angle between the connecting rod 5 and the mounting bracket 2, as shown in fig. 2 and 5.
Preferably, the number of the guide wheels 7 is two, and the two guide wheels 7 are respectively arranged on the front side and the rear side of the spring pressing plate 9.
Preferably, the supporting wheel 6 and the probe wheel 12 are located at the same height, and when the supporting wheel is pressed against the steel rail surface, the probe wheel just meets the flaw detection state (at this time, the probe wheel has a certain deformation amount, which is about 12 mm). Further preferably, the number of the supporting wheels 6 is two, and the two supporting wheels 6 are respectively arranged on the front side and the rear side of the probe wheel 12.
Referring to fig. 3, the probe wheel bracket 3 and the mounting bracket 2 are slidably connected through a sliding rail assembly 11.
Preferably, the mounting bracket 2 is n-shaped, the left side plate of the mounting bracket is an integral connecting plate, the left side plate is provided with a hinge hole 2.1, and the hinge hole 2.1 is used for being tightly hinged with the fixed seat, so that a shaking gap is avoided; the upper side plate and the right side plate are provided with open slots which are used for installing the connecting rod 5 and preventing the interference phenomenon between the telescopic piece and the installing support 2. As shown in figures 3 and 5, the two side walls of the opening groove of the right side plate of the mounting bracket are both provided with connecting rod mounting parts 2.2, and at least one connecting rod mounting part 2.2 is provided with a limiting groove so as to meet the limiting requirement. The lower surface of the front side and the rear side of the upper side plate of the mounting bracket is provided with a sliding rail assembly 11, so that the flaw detection wheel set can stably slide on the mounting bracket.
In this embodiment, the telescopic member 4 is preferably one of an electric push rod, an oil cylinder or an air cylinder. Preferably the support wheels 6 are polyurethane support wheels.
The probe wheel lifting process of the probe wheel guiding device in the embodiment is as follows:
the first section of retraction stroke of the telescopic part 4 drives the connecting rod 5 to rotate, the spring pressing plate 9 moves towards the outer side under the action of the spring 8, the guide wheel 7 starts to relax, and when the connecting rod 5 rotates to the limiting position of the mounting bracket 2, the flaw detection wheel set is completely relaxed;
the second section of retraction stroke of the telescopic part 4 drives the connecting rod 5 to continue rotating, and drives the mounting bracket 2 and the flaw detection wheel set to move together to lift the detection wheel 12.
By the aid of the probe wheel guide device, the probe wheel is lifted when passing through a railway turnout, and damage of a turnout switch rail to the probe wheel is avoided; the flaw detection trolley lifts the detection wheel when the flaw detection trolley finishes an operation task and needs to run at a high speed and return, so that abrasion to the detection wheel under the non-flaw detection working condition can be avoided, and the service life of the detection wheel is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a rail flaw detection car surveys wheel guider, its characterized in that includes fixing base (1), installing support (2), detects a flaw the wheelset, extensible member (4) and connecting rod (5), rotate between fixing base (1) and installing support (2) and be connected, it slides and sets up in the below of installing support (2) to detect a flaw the wheelset, the slip direction of detecting a flaw the wheelset is perpendicular with the axis of rotation between fixing base (1) and installing support (2), the middle part and installing support (2) of connecting rod (5) rotate to be connected, the lower extreme and the wheelset swing joint of detecting a flaw of connecting rod (5), the upper end of connecting rod (5) rotates with the one end of extensible member (4) to be connected, the other end and the fixing base (1) of extensible member (4) rotate to be connected.
2. A steel rail flaw detection vehicle probe wheel guiding device according to claim 1, wherein the flaw detection wheel set comprises a probe wheel support (3), and a supporting wheel (6), a guiding wheel (7) and a probe wheel (12) which are arranged on the probe wheel support (3), the probe wheel (12) and the supporting wheel (6) are used for being in rolling contact with the upper surface of the steel rail (13), the guiding wheel (7) is arranged on the side surface, close to the connecting rod (5), of the probe wheel support (3), and the guiding wheel (7) is used for being in rolling contact with the outer side of the steel rail (13).
3. The steel rail flaw detection vehicle detection wheel guiding device according to claim 2, wherein the flaw detection wheel set further comprises a spring (8) and a spring pressing plate (9), a plurality of guide rods (10) are arranged on the side face, close to the connecting rod (5), of the detection wheel support (3), the spring pressing plate (9) is slidably sleeved on the plurality of guide rods (10), the guide rods (10) are sleeved with the spring (8), the spring (8) is located between the spring pressing plate (9) and the detection wheel support (3), and the lower end of the connecting rod (5) is movably connected with the spring pressing plate (9).
4. A rail flaw detection vehicle probe wheel guide device according to claim 3, wherein the lower end of the connecting rod (5) is provided with a kidney-shaped hole (5.3), and the connecting rod (5) is hinged with the spring pressing plate (9) through the kidney-shaped hole (5.3).
5. A steel rail flaw detection vehicle probe wheel guiding device according to claim 4, wherein a limiting boss (5.2) is arranged on the connecting rod (5), a connecting rod mounting piece (2.2) for mounting the connecting rod (5) is arranged on the mounting bracket (2), and a limiting groove is arranged on the connecting rod mounting piece (2.2); the limiting boss (5.2) is located in the limiting groove, and the limiting boss and the limiting groove are matched to limit the rotation angle between the connecting rod (5) and the mounting bracket (2).
6. A rail flaw detection vehicle probe wheel guide apparatus according to any one of claims 3 to 5, wherein the number of the guide wheels (7) is two, and the two guide wheels (7) are respectively provided on the front side and the rear side of the spring pressure plate (9).
7. A rail detector car probe wheel guide as claimed in any one of claims 2 to 5, in which the support wheel (6) and probe wheel (12) are at the same height.
8. A rail flaw detection vehicle probe wheel guide apparatus according to claim 7, wherein the number of the support wheels (6) is two, and the two support wheels (6) are respectively provided on the front side and the rear side of the probe wheel (12).
9. A rail flaw detection vehicle probe wheel guide apparatus according to any one of claims 2 to 5, wherein the probe wheel bracket (3) and the mounting bracket (2) are slidably connected by a slide rail assembly (11).
10. A rail-probe-vehicle probe-wheel guiding device according to any one of claims 1 to 5, wherein the telescopic member (4) is one of an electric push rod, an oil cylinder or an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032818.8U CN217212464U (en) | 2022-04-29 | 2022-04-29 | Wheel guider is visited to rail flaw detection car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032818.8U CN217212464U (en) | 2022-04-29 | 2022-04-29 | Wheel guider is visited to rail flaw detection car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217212464U true CN217212464U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221032818.8U Active CN217212464U (en) | 2022-04-29 | 2022-04-29 | Wheel guider is visited to rail flaw detection car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217212464U (en) |
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2022
- 2022-04-29 CN CN202221032818.8U patent/CN217212464U/en active Active
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