CN220764378U - Railway track inspection tester - Google Patents

Abstract

The utility model provides a railway track inspection tester which comprises a machine body, wherein the machine body comprises a cross beam, the left end of the cross beam is fixedly provided with a longitudinal beam, the front side and the rear side of the longitudinal beam are respectively provided with a travelling wheel assembly, the right end of the machine body is provided with a linear displacement sensor and a sliding measuring wheel assembly, the measuring wheel assembly comprises a fixed plate, the lower side of the fixed plate is fixedly provided with a left support plate and a right support plate, a right main wheel is arranged between the left support plate and the right support plate, the lower end of the left support plate is provided with a right side wheel, the right end in the machine body is fixedly provided with a guide rail, the fixed plate moves along the guide rail through a sliding block, the upper end of the fixed plate is fixedly provided with a vertical plate, the vertical plate is internally provided with a guide shaft, the guide shaft slides through the limiting block, the guide shaft between the limiting block and the vertical plate is sleeved with a compression spring, and the linear displacement sensor is connected with the vertical plate through a universal head. The utility model avoids the situation that the linear displacement sensor telescopic rod is stressed and deformed due to the deviation generated by the movement of the measuring wheel assembly, and is beneficial to improving the measuring precision.

Description

Railway track inspection tester

Technical Field

The utility model relates to the technical field of track detection marks, in particular to a railway track inspection tester.

Background

With the rapid development of railway traffic industry in China, the speed increasing of common railways and the construction of high-speed railways have become important means for improving the railway transportation capacity. The improvement of the train speed has higher requirements on the track smoothness of the rail line than the prior art; particularly, the high-speed railway has stricter requirements on the smoothness of the rail. In order to ensure the safety and comfort of train running, regular detection of railway tracks is required, which involves track gauges, track levelness and the like.

Wherein to the detection of gauge, current detection device adopts linear displacement sensor and gliding measurement wheel subassembly cooperation to go on more, but current linear position sensor links to each other with the standing board of measurement wheel subassembly is fixed, as CN 212500409U discloses a lightweight track detection device, standing board top links firmly through the connecting rod that takes the double-end screw with linear displacement sensor telescopic link tip, the second directive wheel is fixed in directive wheel fixing base below, directive wheel fixing base joint is fixed on the standing board, the fixed plate is vertical to be fixed on corresponding frame roof beam, fastening spring is located between fixed plate and the standing board. When the above structure performs track gauge measurement, the following problems easily occur: in the measuring process, the deviation generated by the movement of the measuring wheel assembly causes the stress deformation of the telescopic rod of the linear sensor, and the measuring precision is affected.

Disclosure of Invention

The utility model provides a railway track inspection instrument, which avoids the situation that a telescopic rod of a linear displacement sensor is stressed to deform due to the deviation generated by the movement of a measuring wheel assembly, and is beneficial to improving the measuring precision.

The technical scheme of the utility model is realized as follows: the utility model provides a railway track inspection tester, which comprises a frame, the fuselage includes the crossbeam, the left end of crossbeam is fixed with the longeron, both sides all are provided with walking wheel assembly around the longeron, the right-hand member is provided with linear displacement sensor and gliding measuring wheel assembly, measuring wheel assembly includes the fixed plate, the downside of fixed plate is fixed with left extension board and right extension board, be provided with right main wheel between left extension board and the right extension board, the lower extreme of left extension board is provided with the right side wheel, the right-hand member in the fuselage is fixed with the guide rail, the fixed plate passes through the slider and follows the guide rail and remove, the upper end of fixed plate is fixed with the riser, be provided with the guiding axle on the riser, still be fixed with the stopper in the fuselage, the guiding axle slides and passes the stopper, the epaxial cover of guiding between stopper and the riser is equipped with compression spring, linear displacement sensor and riser pass through the universal head and link to each other.

Further, still be provided with the pole setting on the crossbeam, the upper end of pole setting is provided with handle and display screen mounting panel, and the lower extreme of pole setting links to each other with the crossbeam through coupling assembling, and coupling assembling includes connecting plate and connecting rod, and the connecting plate is fixed in the position department that the crossbeam is close to the left end, and the upper end of connecting plate is the semicircle board, has the connecting hole along circumference equipartition on the semicircle board, and the lower extreme clamp of connecting rod is on the semicircle board, and links to each other with the connecting hole through the plunger screw, and the connecting rod links to each other through first seat pipe clamp with the pole setting.

Further, a connecting rod is fixed in the middle of the handle and is connected with the upright rod through a second seat pipe clamp.

Further, the walking wheel assembly comprises a left main wheel, the left main wheel is arranged at the left end of the longitudinal beam, and a left side wheel is arranged on the longitudinal beam below the right side of the left main wheel.

The utility model has the beneficial effects that:

according to the measuring wheel assembly, the guide rail is arranged to ensure that the measuring wheel assembly slides along the linear direction, the right side wheel is always clung to the inner side edge of the rail to move through the arrangement of the compression spring and the guide shaft, and the movement deviation of the measuring wheel assembly is reduced through the cooperation of the structure; in addition, the linear displacement sensor is connected with the vertical plate through the universal head, so that the situation that the telescopic rod of the linear displacement sensor is stressed and deformed due to deviation generated by movement of the measuring wheel assembly is further avoided, and the measuring precision is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic structural view of a measuring wheel assembly;

fig. 3 is a perspective view of the present utility model.

The device comprises a cross beam 1, a longitudinal beam 2, a left main wheel 3, a left side wheel 4, a linear displacement sensor 5, a fixed plate 6, a right main wheel 7, a right side wheel 8, a guide rail 9, a vertical plate 10, a guide shaft 11, a limiting block 12, a compression spring 13, a vertical rod 14, a handle 15, a display screen mounting plate 16, a second seat tube clamp 17, a connecting rod 18, a semicircular plate 19, a connecting hole 20, a plunger screw 21, a first seat tube clamp 22 and a universal joint 23.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 and 3, a railway track inspection tester comprises a machine body, wherein the machine body comprises a cross beam 1, a longitudinal beam 2 is fixed at the left end of the cross beam 1, walking components are arranged on the front side and the rear side of the longitudinal beam 2, each walking component comprises a left main wheel 3, the left main wheel 3 is arranged at the right end of the longitudinal beam 2, a left side wheel 4 is arranged on the longitudinal beam 2 on the right side of the left main wheel 3, the left side wheel 4 is positioned below the left main wheel 3, the left main wheel 3 moves along the upper side of a track, and the left side wheel 4 moves along the inner side of the track.

As shown in fig. 1 and 2, the right end of the beam 1 is provided with a linear displacement sensor 5 and a sliding measuring wheel assembly, the measuring wheel assembly comprises a fixed plate 6, a left support plate and a right support plate are fixed on the lower side of the fixed plate 6, a right main wheel 7 is installed between the left support plate and the right support plate, a right side wheel 8 is installed at the lower end of the left support plate, a guide rail 9 is fixed at the right end in the machine body, the fixed plate 6 transversely moves along the guide rail 9 through a sliding block, a vertical plate 10 is fixed at the upper end of the fixed plate 6, a transverse guide shaft 11 is fixed at the left end of the vertical plate 10, a limiting block 12 is also fixed in the machine body, the left end of the guide shaft 11 slides through the limiting block 12, a compression spring 13 is sleeved on the guide shaft 11 between the limiting block 12 and the vertical plate 10, and the linear displacement sensor 5 is connected with the vertical plate 10 through a universal head 23. The right main wheel 7 moves along the upper side of the track, the compression spring 13 is arranged, the right side wheel 8 always clings to the inner side edge of the track to move, the linear displacement sensor 5 is connected with the vertical plate 10 through the universal head 23, and the situation that the telescopic rod of the linear displacement sensor 5 is stressed and deformed due to deviation generated by movement of the measuring wheel assembly in the measuring process is avoided.

Example 2

This embodiment is basically the same as embodiment 1, except that, as shown in fig. 1 and 3, a hollow upright 14 is further provided on the cross beam 1, a handle 15 and a display screen mounting plate 16 are provided at the upper end of the upright 14, and the display screen mounting plate 16 is fixedly connected with the middle part of the handle 15. The middle part of handle 15 still is fixed with the connecting rod, and the connecting rod is pegged graft and is linked to each other with pole setting 14, and is fixed through second seat pipe clamp 17, when needing the height of adjusting handle 15, loosens second seat pipe clamp 17, adjusts the length that the connecting rod stretches into pole setting 14.

The lower extreme of pole setting 14 links to each other with crossbeam 1 through coupling assembling, coupling assembling includes connecting plate and hollow connecting rod 18, the connecting plate is fixed in the position department that crossbeam 1 is close to the left end, the upper end of connecting plate is semi-circular board 19, the circumference equipartition has connecting hole 20 on the semi-circular board 19, the lower extreme of connecting rod 18 is provided with axial centre gripping groove, press from both sides connecting rod 18 on semi-circular board 19 through the centre gripping groove, connecting rod 18 links to each other with connecting hole 20 through plunger screw 21, connecting rod 18 is pegged graft with pole setting 14 and is linked to each other, and it is fixed through first seat pipe clamp 22. When the inclination angle of the upright 14 needs to be adjusted, the plunger screw 21 is loosened, the connecting rod 18 is rotated to a desired angle, and then the plunger screw 21 is connected with the corresponding connecting hole 20. If the machine body is required to be disassembled, the second seat tube clamp 17 and the first seat tube clamp 22 are loosened, the upright rod 14 is taken down from the handle 15 and the connecting rod 18, and the disassembly and the assembly are convenient.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. The utility model provides a railway track inspection tester, includes the fuselage, and the fuselage includes the crossbeam, and the left end of crossbeam is fixed with the longeron, and both sides all are provided with walking wheel assembly around the longeron, and the right-hand member is provided with linear displacement sensor and gliding measuring wheel assembly, its characterized in that: the measuring wheel assembly comprises a fixed plate, a left support plate and a right support plate are fixed on the lower side of the fixed plate, a right main wheel is arranged between the left support plate and the right support plate, a right side wheel is arranged at the lower end of the left support plate, a guide rail is fixed at the right end in the machine body, the fixed plate moves along the guide rail through a sliding block, a vertical plate is fixed at the upper end of the fixed plate, a guide shaft is arranged on the vertical plate, a limiting block is further fixed in the machine body, the guide shaft slides through the limiting block, a compression spring is sleeved on the guide shaft between the limiting block and the vertical plate, and the linear displacement sensor is connected with the vertical plate through a universal head.

2. A railroad track inspection machine as set forth in claim 1 wherein: still be provided with the pole setting on the crossbeam, the upper end of pole setting is provided with handle and display screen mounting panel, and the lower extreme of pole setting links to each other with the crossbeam through coupling assembling, and coupling assembling includes connecting plate and connecting rod, and the connecting plate is fixed in the position department that the crossbeam is close to the left end, and the upper end of connecting plate is the semicircle board, has the connecting hole along circumference equipartition on the semicircle board, and the lower extreme clamp of connecting rod is on the semicircle board, and links to each other with the connecting hole through the plunger screw, and the connecting rod links to each other through first seat pipe clamp with the pole setting.

3. A railroad track inspection machine as set forth in claim 2 wherein: the middle part of the handle is fixed with a connecting rod, and the connecting rod is connected with the vertical rod through a second pipe clamp.

4. A railroad track inspection machine as set forth in claim 1 wherein: the walking wheel assembly comprises a left main wheel, the left main wheel is arranged at the left end of the longitudinal beam, and a left side wheel is arranged on the longitudinal beam below the right side of the left main wheel.