CN217623556U

CN217623556U - Trolley for detecting railway rail damage

Info

Publication number: CN217623556U
Application number: CN202221393254.0U
Authority: CN
Inventors: 郑晓珣; 付晨伟; 李骑羽
Original assignee: Shaanxi Railway Institute
Current assignee: Shaanxi Railway Institute
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-21
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a railway rails maintenance technical field, concretely relates to railway rail flaw detects with handcart, include: a fixed shaft; the bracket is fixed with one end of the fixed shaft; the connecting frames are arranged at the bottom of the bracket, and the bottom of each connecting frame is provided with a detection probe; spacing subassembly of multiunit is used for spacing test probe, and spacing subassembly includes: the two support shafts are symmetrically arranged on the connecting frame and are positioned at two sides of the detection probe, and one end of each support shaft, which is far away from the connecting frame, is rotatably connected with a first limiting wheel; the guide wheel is sleeved on the fixed shaft; the limiting device is used for limiting the guide wheel and arranged at one end of the fixing shaft, which deviates from the supporting frame. The utility model has the advantages of through setting up spacing subassembly, can carry on spacingly to test probe's motion, keep test probe skew about not controlling between two parties, still set up stop device simultaneously, avoid the guide pulley perk to make test probe about taking place to incline, improve the accuracy to rail testing result.

Description

Trolley for detecting railway rail damage

Technical Field

The utility model relates to a railway rails maintenance technical field, concretely relates to railway rail flaw detects with handcart.

Background

Railway track maintenance is various track maintenance operations, also called road maintenance, performed to ensure good track condition and to enable a train to run safely, stably and uninterruptedly at a specified speed. The rail is used on a railway and cooperates with a point switch and a turnout, so that the train can walk without steering, the rail is used between cities to realize traffic convenience, the rail is detected by a damage detection device in the use and composition of the rail, and the problem of accidents of the railway train is avoided.

At present, come to detect the rail through the handcart among the prior art, but when promoting the rail flaw detection dolly and detect railway rails, the wheel of its shallow is easy and the separation of rail railhead working face, make the deflection is not placed in the middle about the test probe, thereby lead to the testing result inaccurate, whether the maintainer of being not convenient for harms the track and makes the judgement, simultaneously because operating personnel stands at single track center when promoting the dolly, the slope about the instrumentation takes place easily, cause the coupling degree of test probe and rail top surface lower, be unfavorable for going on of maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide a railway rail flaw detects and uses handcart, can solve prior art, the left and right sides slope takes place for detecting instrument easily, causes the coupling degree of test probe and rail top surface lower, is unfavorable for the problem of going on of maintenance work.

The technical scheme of the utility model is that:

a trolley for detecting railway rail damage comprises:

a fixed shaft;

the bracket is fixed with one end of the fixed shaft;

the connecting frames are arranged at the bottoms of the supports, and the bottoms of the connecting frames are provided with detection probes;

the spacing subassembly of multiunit for spacing test probe, spacing subassembly includes: the two support shafts are symmetrically arranged on the connecting frame and are positioned at two sides of the detection probe, and one end of each support shaft, which is far away from the connecting frame, is rotatably connected with a first limiting wheel;

the guide wheel is sleeved on the fixed shaft;

and the limiting device is used for limiting the guide wheel and is arranged at one end of the fixed shaft, which deviates from the support frame.

Preferably, the connection frame includes:

the two connecting rods are symmetrically arranged at the bottom of the bracket;

the two ends of the supporting rod are respectively connected with one end of the two connecting rods, which deviates from the support, and the supporting rod is connected with a detection probe and a supporting shaft.

Preferably, the method further comprises the following steps:

the water tank rotates to be connected at the top of support, install the host computer on the water tank, the host computer is connected with the test probe electricity.

Preferably, the method further comprises the following steps:

and the nylon wheels are rotatably connected to the bottom of the support.

Preferably, the position limiting device comprises:

the fixing plate is fixedly connected with the fixing shaft;

the movable rods are arranged on one side of the fixed plate, which is far away from the fixed shaft, and springs are sleeved on the movable rods;

the movable plate is connected with one end of the movable rod, which is far away from the fixed plate;

one end of the square rod penetrates through the middle part of the movable plate and then is connected with the fixed plate;

one end of the rotating rod is hinged with the other end of the square rod;

and the second limiting wheel is rotatably connected to the other end of the rotating rod.

Preferably, the number of the movable rods is four, and the movable rods are respectively arranged at four corners of the fixed plate.

Preferably, the number of the connecting frames is seven, and the connecting frames are located on the same horizontal plane.

Compared with the prior art, the utility model provides a pair of railway rail flaw detects with handcart, its beneficial effect is:

(1) The utility model discloses, through setting up two first spacing wheels, carrying out the in-process that detects to railway rails utilizing the rail to detect a flaw the dolly, can carry on spacingly to the motion of nylon wheel, keep test probe skew about not placed in the middle, improve the accuracy to rail testing result, whether the easy access personnel harmed the track and made the judgement.

(2) The utility model discloses, through setting up guide pulley and stop device, detain the guide pulley on the opposite side rail when detecting, avoid detecting instrument to take place the tilt about, can more firm walk on the rail, detect, improved the degree of coupling of test probe with the rail top surface, going on of easy access work has improved the efficiency of overhauing simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the limiting device of the present invention;

FIG. 3 is a schematic view of the limiting device of the present invention with its structure disassembled;

fig. 4 is an enlarged schematic view of the structure at a position a of the present invention;

fig. 5 is a side view of the present invention.

Detailed Description

The utility model provides a railway rail is handcart for damage detection, below combine the structure schematic diagram of fig. 1 to fig. 5, right the utility model discloses explain, nevertheless should understand the utility model discloses a protection scope does not receive embodiment's restriction.

Example 1

As shown in fig. 1, the utility model provides a railway steel rail damage detects handcart, include: a first track 21 and a second track 22, i.e. two rails to be detected on a railway. Further comprising: the device comprises a fixed shaft 10, a support 3, a connecting frame, a limiting assembly, a guide wheel 11 and a limiting device 12. The fixed shaft 10 plays a role of connection; the bracket 3 is fixed with one end of the fixed shaft 10, and the bracket 3 is used for supporting; the connecting frames are arranged at the bottom of the support 3, the detecting probes 6 are arranged at the bottom of the connecting frames, and the detecting probes 6 are positioned above the first rail 21 during detection to detect the first rail 21; the spacing subassembly of multiunit for spacing test probe 6, spacing subassembly includes: a supporting shaft 7 and a first limiting wheel 8. The two support shafts 7 are symmetrically arranged on the connecting frame and located on two sides of the detection probe 6, one end, away from the connecting frame, of each support shaft 7 is rotatably connected with a first limiting wheel 8, the two first limiting wheels 8 are tightly attached to two sides of the first rail 21 respectively during detection, and the two support shafts 7 clamp the detection probe 6 in the middle, so that the detection probe 6 is prevented from being deviated from the middle left and right; the guide wheel 11 is sleeved on the fixed shaft 10 and is positioned above the second track 22; the limiting device 12 is used for limiting the guide wheel 11 and is arranged at one end of the fixing shaft 10, which is far away from the support frame. This scheme can realize utilizing the rail to detect a flaw the in-process that the dolly detected to the railway rails, through setting up spacing subassembly, can carry on spacingly to test probe 6's motion, keep test probe 6 skew about not centering, improve the accuracy to rail testing result, the maintainer of being convenient for overhaul makes the judgement to the track damage or not, simultaneously through setting up guide pulley 11 and stop device 12, detain guide pulley 11 on the opposite side rail when detecting, avoid detecting instrument to take place the tilt about taking place, can more firm walk on the rail, detect, the degree of coupling of test probe 6 with the rail top surface has been improved, the going on of easy access work, the efficiency of overhauing has been improved simultaneously.

Further, the link frame includes: connecting rod 4, bracing piece 5. The two connecting rods 4 are symmetrically arranged at the bottom of the bracket 3; the both ends of bracing piece 5 are connected with the one end that two connecting rods 4 deviate from support 3 respectively, be connected with test probe 6, back shaft 7 on the bracing piece 5. Two connecting rods 4 and a supporting rod 5 form a group of connecting frames for supporting a detecting instrument.

Further, the method also comprises the following steps: water tank 1 rotates to be connected at the top of support 3, install host computer 9 on the water tank 1, host computer 9 is connected with 6 electricity of test probe. The main machine 9 mainly transmits electric pulses to the detection probe 6, the detection probe 6 can convert the electric pulses transmitted by the main machine 9 into ultrasonic pulses, and therefore ultrasonic waves are used for detecting damages in the steel rail, the bottom of the water tank 1 is provided with a water valve, a water pipe is led out from the water valve, water drops can be formed on the top surface of the steel rail, a coupling agent is provided between the probe and the steel rail in the flaw detection process, and ultrasonic waves can better enter the steel rail.

Further, as shown in fig. 2 to 3, the position limiting device 12 includes: the fixed plate 1201, the movable rod 1202, the movable plate 1203, the spring 1204, the square rod 1205, the rotating rod 1206, and the second limiting wheel 1207. The fixing plate 1201 is fixedly connected with the fixing shaft 10; a plurality of movable rods 1202 are arranged on one side of the fixed plate 1201 departing from the fixed shaft 10, and springs 1204 are sleeved on the movable rods 1202; the movable plate 1203 is connected with one end of the movable rod 1202 departing from the fixed plate 1201; one end of the square rod 1205 penetrates through the middle part of the movable plate 1203 and is connected with the fixed plate 1201; one end of the rotating rod 1206 is hinged with the other end of the square rod 1205; the second limiting wheel 1207 is rotatably connected to the other end of the rotating rod 1206, and is located on the outer side of the second rail 22, i.e. the side away from the first rail 21. Through setting up stop device 12, place back on second track 22 with guide pulley 11, can pull the bull stick 1206, make the laminating of spacing wheel 1207 of second on second track 22 left side to detain guide pulley 11 on second track 22, guide pulley 11 perk loses limiting displacement when avoiding detecting a flaw the dolly and taking place the slope.

Further, the number of the movable rods 1202 is four, and the movable rods are respectively arranged at four corners of the fixed plate 1201. The number of the movable rods 1202 and the springs 1204 is four, and by arranging the four movable rods 1202 and the springs 1204, the elastic acting force of the fixed plate 1201 on the movable plate 1203 is more uniform, and when the rotating rod 1206 is pulled, the rotating angle of the rotating rod 1206 is better limited.

Further, as shown in fig. 5, the number of the connecting frames is seven, and the connecting frames are located on the same horizontal plane. The number of the detection probes 6 is also seven, the seven detection probes 6 are positioned on the same horizontal plane, and the seven detection probes 6 are arranged, so that the accuracy of detecting the damage of the steel rail can be improved, and the speed of detecting the steel rail is increased.

Example 2

As a further improvement on embodiment 1, as shown in fig. 5, the method further includes: a plurality of nylon wheels 13 are rotatably connected to the bottom of the bracket 3, and the nylon wheels 13 are positioned at one side of the detection probe 6. Through setting up nylon wheel 13, can support whole device and move on the track, guarantee simultaneously that there is certain clearance between test probe 6 and the track, avoid test probe 6 wearing and tearing.

The other structures of this embodiment are the same as those of embodiment 1, but are optimized for embodiment 1.

In the utility model, firstly, the whole device is erected on two tracks, the detecting probe 6 is positioned at the upper side of the first track 21, the guide wheel 11 is contacted with the upper end of the second track 22, the rotating rod 1206 which is originally in a horizontal state is pulled downwards to be pulled to be in a vertical state, at the moment, the second limiting wheel 1207 is attached to the left side of the second track 22, under the combined action of the fixed plate 1201, the movable rod 1202, the movable plate 1203 and the spring 1204, and the upper end of the rotating rod 1206 is square, so that the movable plate 1203 has a leftward extrusion force on the rotating rod 1206, the rotating rod 1206 can be kept in a vertical state, the guide wheel 11 is buckled on the second track 22, the inclination of the flaw detection trolley can be avoided, and meanwhile, when the flaw detection trolley is pushed, through the action of the two first limiting wheels 8, can keep test probe 6 skew about not centering, thereby overhaul work to the track through test probe 6, compared with the prior art, this scheme can realize utilizing the rail to detect the dolly and carry out the in-process that detects to the railway rails, through setting up nylon wheel 13 and two first spacing wheels 8, can carry on spacingly to test probe 6's motion, keep test probe 6 skew about not centering, improve the accuracy to the rail testing result, whether the maintainer of being convenient for is harmd to the track and is made the judgement, simultaneously through setting up guide pulley 11 and stop device 12, detain guide pulley 11 on the rail opposite side in the time of the detection, it inclines about avoiding test instrument to take place, the degree of coupling of test probe 6 and rail top surface has been improved, the going on of the easy access work.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a railway rail damage detects and uses handcart which characterized in that still includes:

a fixed shaft (10);

the bracket (3) is fixed with one end of the fixed shaft (10);

the connecting frames are arranged at the bottom of the bracket (3), and the bottom of each connecting frame is provided with a detection probe (6);

the spacing subassembly of multiunit for spacing test probe (6), spacing subassembly includes: the two support shafts (7) are symmetrically arranged on the connecting frame and are positioned on two sides of the detection probe (6), and one end of each support shaft (7) departing from the connecting frame is rotatably connected with a first limiting wheel (8);

the guide wheel (11) is sleeved on the fixed shaft (10);

and the limiting device (12) is used for limiting the guide wheel (11) and is arranged at one end of the fixed shaft (10) deviating from the support frame.

2. The trolley for detecting damage to a railway steel rail according to claim 1, wherein the link frame comprises:

the two connecting rods (4) are symmetrically arranged at the bottom of the bracket (3);

the support rod (5) is connected with one end, deviating from the support (3), of the two connecting rods (4) at two ends of the support rod respectively, and the support rod (5) is connected with the detection probe (6) and the support shaft (7).

3. The trolley for detecting a damage to a railway rail according to claim 1, further comprising:

the water tank (1) is rotatably connected to the top of the support (3), a host (9) is installed on the water tank (1), and the host (9) is electrically connected with the detection probe (6).

4. The cart for detecting damage to a railway rail according to claim 1, further comprising:

and the nylon wheels (13) are rotatably connected to the bottom of the bracket (3).

5. The trolley for detecting the damage to the railway rail according to claim 1, wherein the stopper (12) comprises:

a fixing plate (1201) fixedly connected with the fixing shaft (10);

the movable rods (1202) are arranged on one side, away from the fixed shaft (10), of the fixed plate (1201), and springs (1204) are sleeved on the movable rods (1202);

a movable plate (1203) connected with one end of the movable rod (1202) departing from the fixed plate (1201);

one end of the square rod (1205) penetrates through the middle part of the movable plate (1203) and then is connected with the fixed plate (1201);

a rotating rod (1206), one end of which is hinged with the other end of the square rod (1205);

and the second limiting wheel (1207) is rotatably connected to the other end of the rotating rod (1206).

6. The trolley for railroad rail damage detection as claimed in claim 5, wherein the number of the movable bars (1202) is four, and the movable bars are respectively disposed at four corners of the fixed plate (1201).

7. The trolley for detecting damage to a railway rail according to claim 1, wherein the number of the connecting frames is seven, and the connecting frames are located on the same horizontal plane.